diff --git a/Misc/NEWS.d/next/Core and Builtins/2020-05-24-02-42-26.bpo-40750.ZmO9Ev.rst b/Misc/NEWS.d/next/Core and Builtins/2020-05-24-02-42-26.bpo-40750.ZmO9Ev.rst
new file mode 100644
index 0000000..4032b80
--- /dev/null
+++ b/Misc/NEWS.d/next/Core and Builtins/2020-05-24-02-42-26.bpo-40750.ZmO9Ev.rst
@@ -0,0 +1 @@
+Support the "-d" debug flag in the new PEG parser. Patch by Pablo Galindo
diff --git a/Parser/pegen/parse.c b/Parser/pegen/parse.c
index 5dff77a..2b73547 100644
--- a/Parser/pegen/parse.c
+++ b/Parser/pegen/parse.c
@@ -1,5 +1,12 @@
 // @generated by pegen.py from ./Grammar/python.gram
 #include "pegen.h"
+
+#ifdef Py_DEBUG
+extern int Py_DebugFlag;
+#define D(x) if (Py_DebugFlag) x;
+#else
+#define D(x)
+#endif
 static const int n_keyword_lists = 15;
 static KeywordToken *reserved_keywords[] = {
     NULL,
@@ -683,15 +690,19 @@
 static mod_ty
 file_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     mod_ty _res = NULL;
     int _mark = p->mark;
     { // statements? $
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> file[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "statements? $"));
         void *a;
         Token * endmarker_var;
         if (
@@ -700,17 +711,22 @@
             (endmarker_var = _PyPegen_expect_token(p, ENDMARKER))  // token='ENDMARKER'
         )
         {
+            D(fprintf(stderr, "%*c+ file[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "statements? $"));
             _res = _PyPegen_make_module ( p , a );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s file[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "statements? $"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -718,31 +734,40 @@
 static mod_ty
 interactive_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     mod_ty _res = NULL;
     int _mark = p->mark;
     { // statement_newline
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> interactive[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "statement_newline"));
         asdl_seq* a;
         if (
             (a = statement_newline_rule(p))  // statement_newline
         )
         {
+            D(fprintf(stderr, "%*c+ interactive[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "statement_newline"));
             _res = Interactive ( a , p -> arena );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s interactive[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "statement_newline"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -750,15 +775,19 @@
 static mod_ty
 eval_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     mod_ty _res = NULL;
     int _mark = p->mark;
     { // expressions NEWLINE* $
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> eval[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "expressions NEWLINE* $"));
         asdl_seq * _loop0_1_var;
         expr_ty a;
         Token * endmarker_var;
@@ -770,17 +799,22 @@
             (endmarker_var = _PyPegen_expect_token(p, ENDMARKER))  // token='ENDMARKER'
         )
         {
+            D(fprintf(stderr, "%*c+ eval[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "expressions NEWLINE* $"));
             _res = Expression ( a , p -> arena );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s eval[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "expressions NEWLINE* $"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -788,15 +822,19 @@
 static mod_ty
 func_type_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     mod_ty _res = NULL;
     int _mark = p->mark;
     { // '(' type_expressions? ')' '->' expression NEWLINE* $
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> func_type[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'(' type_expressions? ')' '->' expression NEWLINE* $"));
         Token * _literal;
         Token * _literal_1;
         Token * _literal_2;
@@ -820,17 +858,22 @@
             (endmarker_var = _PyPegen_expect_token(p, ENDMARKER))  // token='ENDMARKER'
         )
         {
+            D(fprintf(stderr, "%*c+ func_type[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'(' type_expressions? ')' '->' expression NEWLINE* $"));
             _res = FunctionType ( a , b , p -> arena );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s func_type[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'(' type_expressions? ')' '->' expression NEWLINE* $"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -838,27 +881,35 @@
 static expr_ty
 fstring_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     expr_ty _res = NULL;
     int _mark = p->mark;
     { // star_expressions
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> fstring[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "star_expressions"));
         expr_ty star_expressions_var;
         if (
             (star_expressions_var = star_expressions_rule(p))  // star_expressions
         )
         {
+            D(fprintf(stderr, "%*c+ fstring[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "star_expressions"));
             _res = star_expressions_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s fstring[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "star_expressions"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -873,15 +924,19 @@
 static asdl_seq*
 type_expressions_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     asdl_seq* _res = NULL;
     int _mark = p->mark;
     { // ','.expression+ ',' '*' expression ',' '**' expression
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> type_expressions[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "','.expression+ ',' '*' expression ',' '**' expression"));
         Token * _literal;
         Token * _literal_1;
         Token * _literal_2;
@@ -905,19 +960,25 @@
             (c = expression_rule(p))  // expression
         )
         {
+            D(fprintf(stderr, "%*c+ type_expressions[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "','.expression+ ',' '*' expression ',' '**' expression"));
             _res = _PyPegen_seq_append_to_end ( p , CHECK ( _PyPegen_seq_append_to_end ( p , a , b ) ) , c );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s type_expressions[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "','.expression+ ',' '*' expression ',' '**' expression"));
     }
     { // ','.expression+ ',' '*' expression
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> type_expressions[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "','.expression+ ',' '*' expression"));
         Token * _literal;
         Token * _literal_1;
         asdl_seq * a;
@@ -932,19 +993,25 @@
             (b = expression_rule(p))  // expression
         )
         {
+            D(fprintf(stderr, "%*c+ type_expressions[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "','.expression+ ',' '*' expression"));
             _res = _PyPegen_seq_append_to_end ( p , a , b );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s type_expressions[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "','.expression+ ',' '*' expression"));
     }
     { // ','.expression+ ',' '**' expression
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> type_expressions[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "','.expression+ ',' '**' expression"));
         Token * _literal;
         Token * _literal_1;
         asdl_seq * a;
@@ -959,19 +1026,25 @@
             (b = expression_rule(p))  // expression
         )
         {
+            D(fprintf(stderr, "%*c+ type_expressions[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "','.expression+ ',' '**' expression"));
             _res = _PyPegen_seq_append_to_end ( p , a , b );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s type_expressions[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "','.expression+ ',' '**' expression"));
     }
     { // '*' expression ',' '**' expression
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> type_expressions[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'*' expression ',' '**' expression"));
         Token * _literal;
         Token * _literal_1;
         Token * _literal_2;
@@ -989,19 +1062,25 @@
             (b = expression_rule(p))  // expression
         )
         {
+            D(fprintf(stderr, "%*c+ type_expressions[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'*' expression ',' '**' expression"));
             _res = _PyPegen_seq_append_to_end ( p , CHECK ( _PyPegen_singleton_seq ( p , a ) ) , b );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s type_expressions[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'*' expression ',' '**' expression"));
     }
     { // '*' expression
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> type_expressions[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'*' expression"));
         Token * _literal;
         expr_ty a;
         if (
@@ -1010,19 +1089,25 @@
             (a = expression_rule(p))  // expression
         )
         {
+            D(fprintf(stderr, "%*c+ type_expressions[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'*' expression"));
             _res = _PyPegen_singleton_seq ( p , a );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s type_expressions[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'*' expression"));
     }
     { // '**' expression
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> type_expressions[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'**' expression"));
         Token * _literal;
         expr_ty a;
         if (
@@ -1031,31 +1116,41 @@
             (a = expression_rule(p))  // expression
         )
         {
+            D(fprintf(stderr, "%*c+ type_expressions[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'**' expression"));
             _res = _PyPegen_singleton_seq ( p , a );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s type_expressions[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'**' expression"));
     }
     { // ','.expression+
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> type_expressions[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "','.expression+"));
         asdl_seq * _gather_9_var;
         if (
             (_gather_9_var = _gather_9_rule(p))  // ','.expression+
         )
         {
+            D(fprintf(stderr, "%*c+ type_expressions[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "','.expression+"));
             _res = _gather_9_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s type_expressions[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "','.expression+"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -1063,31 +1158,40 @@
 static asdl_seq*
 statements_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     asdl_seq* _res = NULL;
     int _mark = p->mark;
     { // statement+
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> statements[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "statement+"));
         asdl_seq * a;
         if (
             (a = _loop1_11_rule(p))  // statement+
         )
         {
+            D(fprintf(stderr, "%*c+ statements[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "statement+"));
             _res = _PyPegen_seq_flatten ( p , a );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s statements[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "statement+"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -1095,45 +1199,59 @@
 static asdl_seq*
 statement_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     asdl_seq* _res = NULL;
     int _mark = p->mark;
     { // compound_stmt
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> statement[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "compound_stmt"));
         stmt_ty a;
         if (
             (a = compound_stmt_rule(p))  // compound_stmt
         )
         {
+            D(fprintf(stderr, "%*c+ statement[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "compound_stmt"));
             _res = _PyPegen_singleton_seq ( p , a );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s statement[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "compound_stmt"));
     }
     { // simple_stmt
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> statement[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "simple_stmt"));
         asdl_seq* simple_stmt_var;
         if (
             (simple_stmt_var = simple_stmt_rule(p))  // simple_stmt
         )
         {
+            D(fprintf(stderr, "%*c+ statement[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "simple_stmt"));
             _res = simple_stmt_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s statement[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "simple_stmt"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -1141,13 +1259,16 @@
 static asdl_seq*
 statement_newline_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     asdl_seq* _res = NULL;
     int _mark = p->mark;
     if (p->mark == p->fill && _PyPegen_fill_token(p) < 0) {
         p->error_indicator = 1;
+        D(p->level--);
         return NULL;
     }
     int _start_lineno = p->tokens[_mark]->lineno;
@@ -1156,8 +1277,10 @@
     UNUSED(_start_col_offset); // Only used by EXTRA macro
     { // compound_stmt NEWLINE
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> statement_newline[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "compound_stmt NEWLINE"));
         stmt_ty a;
         Token * newline_var;
         if (
@@ -1166,40 +1289,53 @@
             (newline_var = _PyPegen_expect_token(p, NEWLINE))  // token='NEWLINE'
         )
         {
+            D(fprintf(stderr, "%*c+ statement_newline[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "compound_stmt NEWLINE"));
             _res = _PyPegen_singleton_seq ( p , a );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s statement_newline[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "compound_stmt NEWLINE"));
     }
     { // simple_stmt
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> statement_newline[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "simple_stmt"));
         asdl_seq* simple_stmt_var;
         if (
             (simple_stmt_var = simple_stmt_rule(p))  // simple_stmt
         )
         {
+            D(fprintf(stderr, "%*c+ statement_newline[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "simple_stmt"));
             _res = simple_stmt_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s statement_newline[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "simple_stmt"));
     }
     { // NEWLINE
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> statement_newline[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "NEWLINE"));
         Token * newline_var;
         if (
             (newline_var = _PyPegen_expect_token(p, NEWLINE))  // token='NEWLINE'
         )
         {
+            D(fprintf(stderr, "%*c+ statement_newline[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "NEWLINE"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -1209,32 +1345,42 @@
             _res = _PyPegen_singleton_seq ( p , CHECK ( _Py_Pass ( EXTRA ) ) );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s statement_newline[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "NEWLINE"));
     }
     { // $
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> statement_newline[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "$"));
         Token * endmarker_var;
         if (
             (endmarker_var = _PyPegen_expect_token(p, ENDMARKER))  // token='ENDMARKER'
         )
         {
+            D(fprintf(stderr, "%*c+ statement_newline[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "$"));
             _res = _PyPegen_interactive_exit ( p );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s statement_newline[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "$"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -1242,15 +1388,19 @@
 static asdl_seq*
 simple_stmt_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     asdl_seq* _res = NULL;
     int _mark = p->mark;
     { // small_stmt !';' NEWLINE
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> simple_stmt[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "small_stmt !';' NEWLINE"));
         stmt_ty a;
         Token * newline_var;
         if (
@@ -1261,19 +1411,25 @@
             (newline_var = _PyPegen_expect_token(p, NEWLINE))  // token='NEWLINE'
         )
         {
+            D(fprintf(stderr, "%*c+ simple_stmt[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "small_stmt !';' NEWLINE"));
             _res = _PyPegen_singleton_seq ( p , a );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s simple_stmt[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "small_stmt !';' NEWLINE"));
     }
     { // ';'.small_stmt+ ';'? NEWLINE
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> simple_stmt[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "';'.small_stmt+ ';'? NEWLINE"));
         void *_opt_var;
         UNUSED(_opt_var); // Silence compiler warnings
         asdl_seq * a;
@@ -1286,17 +1442,22 @@
             (newline_var = _PyPegen_expect_token(p, NEWLINE))  // token='NEWLINE'
         )
         {
+            D(fprintf(stderr, "%*c+ simple_stmt[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "';'.small_stmt+ ';'? NEWLINE"));
             _res = a;
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s simple_stmt[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "';'.small_stmt+ ';'? NEWLINE"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -1317,15 +1478,20 @@
 static stmt_ty
 small_stmt_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     stmt_ty _res = NULL;
-    if (_PyPegen_is_memoized(p, small_stmt_type, &_res))
+    if (_PyPegen_is_memoized(p, small_stmt_type, &_res)) {
+        D(p->level--);
         return _res;
+    }
     int _mark = p->mark;
     if (p->mark == p->fill && _PyPegen_fill_token(p) < 0) {
         p->error_indicator = 1;
+        D(p->level--);
         return NULL;
     }
     int _start_lineno = p->tokens[_mark]->lineno;
@@ -1334,29 +1500,38 @@
     UNUSED(_start_col_offset); // Only used by EXTRA macro
     { // assignment
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> small_stmt[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "assignment"));
         stmt_ty assignment_var;
         if (
             (assignment_var = assignment_rule(p))  // assignment
         )
         {
+            D(fprintf(stderr, "%*c+ small_stmt[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "assignment"));
             _res = assignment_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s small_stmt[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "assignment"));
     }
     { // star_expressions
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> small_stmt[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "star_expressions"));
         expr_ty e;
         if (
             (e = star_expressions_rule(p))  // star_expressions
         )
         {
+            D(fprintf(stderr, "%*c+ small_stmt[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "star_expressions"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -1366,16 +1541,21 @@
             _res = _Py_Expr ( e , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s small_stmt[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "star_expressions"));
     }
     { // &'return' return_stmt
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> small_stmt[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "&'return' return_stmt"));
         stmt_ty return_stmt_var;
         if (
             _PyPegen_lookahead_with_int(1, _PyPegen_expect_token, p, 500)  // token='return'
@@ -1383,15 +1563,20 @@
             (return_stmt_var = return_stmt_rule(p))  // return_stmt
         )
         {
+            D(fprintf(stderr, "%*c+ small_stmt[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "&'return' return_stmt"));
             _res = return_stmt_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s small_stmt[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "&'return' return_stmt"));
     }
     { // &('import' | 'from') import_stmt
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> small_stmt[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "&('import' | 'from') import_stmt"));
         stmt_ty import_stmt_var;
         if (
             _PyPegen_lookahead(1, _tmp_14_rule, p)
@@ -1399,15 +1584,20 @@
             (import_stmt_var = import_stmt_rule(p))  // import_stmt
         )
         {
+            D(fprintf(stderr, "%*c+ small_stmt[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "&('import' | 'from') import_stmt"));
             _res = import_stmt_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s small_stmt[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "&('import' | 'from') import_stmt"));
     }
     { // &'raise' raise_stmt
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> small_stmt[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "&'raise' raise_stmt"));
         stmt_ty raise_stmt_var;
         if (
             _PyPegen_lookahead_with_int(1, _PyPegen_expect_token, p, 501)  // token='raise'
@@ -1415,22 +1605,29 @@
             (raise_stmt_var = raise_stmt_rule(p))  // raise_stmt
         )
         {
+            D(fprintf(stderr, "%*c+ small_stmt[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "&'raise' raise_stmt"));
             _res = raise_stmt_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s small_stmt[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "&'raise' raise_stmt"));
     }
     { // 'pass'
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> small_stmt[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'pass'"));
         Token * _keyword;
         if (
             (_keyword = _PyPegen_expect_token(p, 502))  // token='pass'
         )
         {
+            D(fprintf(stderr, "%*c+ small_stmt[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'pass'"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -1440,16 +1637,21 @@
             _res = _Py_Pass ( EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s small_stmt[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'pass'"));
     }
     { // &'del' del_stmt
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> small_stmt[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "&'del' del_stmt"));
         stmt_ty del_stmt_var;
         if (
             _PyPegen_lookahead_with_int(1, _PyPegen_expect_token, p, 503)  // token='del'
@@ -1457,15 +1659,20 @@
             (del_stmt_var = del_stmt_rule(p))  // del_stmt
         )
         {
+            D(fprintf(stderr, "%*c+ small_stmt[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "&'del' del_stmt"));
             _res = del_stmt_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s small_stmt[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "&'del' del_stmt"));
     }
     { // &'yield' yield_stmt
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> small_stmt[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "&'yield' yield_stmt"));
         stmt_ty yield_stmt_var;
         if (
             _PyPegen_lookahead_with_int(1, _PyPegen_expect_token, p, 504)  // token='yield'
@@ -1473,15 +1680,20 @@
             (yield_stmt_var = yield_stmt_rule(p))  // yield_stmt
         )
         {
+            D(fprintf(stderr, "%*c+ small_stmt[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "&'yield' yield_stmt"));
             _res = yield_stmt_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s small_stmt[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "&'yield' yield_stmt"));
     }
     { // &'assert' assert_stmt
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> small_stmt[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "&'assert' assert_stmt"));
         stmt_ty assert_stmt_var;
         if (
             _PyPegen_lookahead_with_int(1, _PyPegen_expect_token, p, 505)  // token='assert'
@@ -1489,22 +1701,29 @@
             (assert_stmt_var = assert_stmt_rule(p))  // assert_stmt
         )
         {
+            D(fprintf(stderr, "%*c+ small_stmt[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "&'assert' assert_stmt"));
             _res = assert_stmt_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s small_stmt[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "&'assert' assert_stmt"));
     }
     { // 'break'
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> small_stmt[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'break'"));
         Token * _keyword;
         if (
             (_keyword = _PyPegen_expect_token(p, 506))  // token='break'
         )
         {
+            D(fprintf(stderr, "%*c+ small_stmt[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'break'"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -1514,23 +1733,30 @@
             _res = _Py_Break ( EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s small_stmt[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'break'"));
     }
     { // 'continue'
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> small_stmt[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'continue'"));
         Token * _keyword;
         if (
             (_keyword = _PyPegen_expect_token(p, 507))  // token='continue'
         )
         {
+            D(fprintf(stderr, "%*c+ small_stmt[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'continue'"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -1540,16 +1766,21 @@
             _res = _Py_Continue ( EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s small_stmt[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'continue'"));
     }
     { // &'global' global_stmt
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> small_stmt[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "&'global' global_stmt"));
         stmt_ty global_stmt_var;
         if (
             _PyPegen_lookahead_with_int(1, _PyPegen_expect_token, p, 508)  // token='global'
@@ -1557,15 +1788,20 @@
             (global_stmt_var = global_stmt_rule(p))  // global_stmt
         )
         {
+            D(fprintf(stderr, "%*c+ small_stmt[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "&'global' global_stmt"));
             _res = global_stmt_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s small_stmt[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "&'global' global_stmt"));
     }
     { // &'nonlocal' nonlocal_stmt
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> small_stmt[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "&'nonlocal' nonlocal_stmt"));
         stmt_ty nonlocal_stmt_var;
         if (
             _PyPegen_lookahead_with_int(1, _PyPegen_expect_token, p, 509)  // token='nonlocal'
@@ -1573,14 +1809,18 @@
             (nonlocal_stmt_var = nonlocal_stmt_rule(p))  // nonlocal_stmt
         )
         {
+            D(fprintf(stderr, "%*c+ small_stmt[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "&'nonlocal' nonlocal_stmt"));
             _res = nonlocal_stmt_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s small_stmt[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "&'nonlocal' nonlocal_stmt"));
     }
     _res = NULL;
   done:
     _PyPegen_insert_memo(p, _mark, small_stmt_type, _res);
+    D(p->level--);
     return _res;
 }
 
@@ -1595,15 +1835,19 @@
 static stmt_ty
 compound_stmt_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     stmt_ty _res = NULL;
     int _mark = p->mark;
     { // &('def' | '@' | ASYNC) function_def
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> compound_stmt[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "&('def' | '@' | ASYNC) function_def"));
         stmt_ty function_def_var;
         if (
             _PyPegen_lookahead(1, _tmp_15_rule, p)
@@ -1611,15 +1855,20 @@
             (function_def_var = function_def_rule(p))  // function_def
         )
         {
+            D(fprintf(stderr, "%*c+ compound_stmt[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "&('def' | '@' | ASYNC) function_def"));
             _res = function_def_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s compound_stmt[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "&('def' | '@' | ASYNC) function_def"));
     }
     { // &'if' if_stmt
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> compound_stmt[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "&'if' if_stmt"));
         stmt_ty if_stmt_var;
         if (
             _PyPegen_lookahead_with_int(1, _PyPegen_expect_token, p, 510)  // token='if'
@@ -1627,15 +1876,20 @@
             (if_stmt_var = if_stmt_rule(p))  // if_stmt
         )
         {
+            D(fprintf(stderr, "%*c+ compound_stmt[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "&'if' if_stmt"));
             _res = if_stmt_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s compound_stmt[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "&'if' if_stmt"));
     }
     { // &('class' | '@') class_def
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> compound_stmt[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "&('class' | '@') class_def"));
         stmt_ty class_def_var;
         if (
             _PyPegen_lookahead(1, _tmp_16_rule, p)
@@ -1643,15 +1897,20 @@
             (class_def_var = class_def_rule(p))  // class_def
         )
         {
+            D(fprintf(stderr, "%*c+ compound_stmt[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "&('class' | '@') class_def"));
             _res = class_def_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s compound_stmt[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "&('class' | '@') class_def"));
     }
     { // &('with' | ASYNC) with_stmt
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> compound_stmt[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "&('with' | ASYNC) with_stmt"));
         stmt_ty with_stmt_var;
         if (
             _PyPegen_lookahead(1, _tmp_17_rule, p)
@@ -1659,15 +1918,20 @@
             (with_stmt_var = with_stmt_rule(p))  // with_stmt
         )
         {
+            D(fprintf(stderr, "%*c+ compound_stmt[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "&('with' | ASYNC) with_stmt"));
             _res = with_stmt_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s compound_stmt[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "&('with' | ASYNC) with_stmt"));
     }
     { // &('for' | ASYNC) for_stmt
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> compound_stmt[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "&('for' | ASYNC) for_stmt"));
         stmt_ty for_stmt_var;
         if (
             _PyPegen_lookahead(1, _tmp_18_rule, p)
@@ -1675,15 +1939,20 @@
             (for_stmt_var = for_stmt_rule(p))  // for_stmt
         )
         {
+            D(fprintf(stderr, "%*c+ compound_stmt[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "&('for' | ASYNC) for_stmt"));
             _res = for_stmt_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s compound_stmt[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "&('for' | ASYNC) for_stmt"));
     }
     { // &'try' try_stmt
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> compound_stmt[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "&'try' try_stmt"));
         stmt_ty try_stmt_var;
         if (
             _PyPegen_lookahead_with_int(1, _PyPegen_expect_token, p, 511)  // token='try'
@@ -1691,15 +1960,20 @@
             (try_stmt_var = try_stmt_rule(p))  // try_stmt
         )
         {
+            D(fprintf(stderr, "%*c+ compound_stmt[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "&'try' try_stmt"));
             _res = try_stmt_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s compound_stmt[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "&'try' try_stmt"));
     }
     { // &'while' while_stmt
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> compound_stmt[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "&'while' while_stmt"));
         stmt_ty while_stmt_var;
         if (
             _PyPegen_lookahead_with_int(1, _PyPegen_expect_token, p, 512)  // token='while'
@@ -1707,13 +1981,17 @@
             (while_stmt_var = while_stmt_rule(p))  // while_stmt
         )
         {
+            D(fprintf(stderr, "%*c+ compound_stmt[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "&'while' while_stmt"));
             _res = while_stmt_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s compound_stmt[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "&'while' while_stmt"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -1726,13 +2004,16 @@
 static stmt_ty
 assignment_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     stmt_ty _res = NULL;
     int _mark = p->mark;
     if (p->mark == p->fill && _PyPegen_fill_token(p) < 0) {
         p->error_indicator = 1;
+        D(p->level--);
         return NULL;
     }
     int _start_lineno = p->tokens[_mark]->lineno;
@@ -1741,8 +2022,10 @@
     UNUSED(_start_col_offset); // Only used by EXTRA macro
     { // NAME ':' expression ['=' annotated_rhs]
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> assignment[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "NAME ':' expression ['=' annotated_rhs]"));
         Token * _literal;
         expr_ty a;
         expr_ty b;
@@ -1757,8 +2040,10 @@
             (c = _tmp_19_rule(p), 1)  // ['=' annotated_rhs]
         )
         {
+            D(fprintf(stderr, "%*c+ assignment[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "NAME ':' expression ['=' annotated_rhs]"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -1768,16 +2053,21 @@
             _res = CHECK_VERSION ( 6 , "Variable annotation syntax is" , _Py_AnnAssign ( CHECK ( _PyPegen_set_expr_context ( p , a , Store ) ) , b , c , 1 , EXTRA ) );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s assignment[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "NAME ':' expression ['=' annotated_rhs]"));
     }
     { // ('(' single_target ')' | single_subscript_attribute_target) ':' expression ['=' annotated_rhs]
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> assignment[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "('(' single_target ')' | single_subscript_attribute_target) ':' expression ['=' annotated_rhs]"));
         Token * _literal;
         void *a;
         expr_ty b;
@@ -1792,8 +2082,10 @@
             (c = _tmp_21_rule(p), 1)  // ['=' annotated_rhs]
         )
         {
+            D(fprintf(stderr, "%*c+ assignment[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "('(' single_target ')' | single_subscript_attribute_target) ':' expression ['=' annotated_rhs]"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -1803,16 +2095,21 @@
             _res = CHECK_VERSION ( 6 , "Variable annotations syntax is" , _Py_AnnAssign ( a , b , c , 0 , EXTRA ) );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s assignment[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "('(' single_target ')' | single_subscript_attribute_target) ':' expression ['=' annotated_rhs]"));
     }
     { // ((star_targets '='))+ (yield_expr | star_expressions) TYPE_COMMENT?
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> assignment[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "((star_targets '='))+ (yield_expr | star_expressions) TYPE_COMMENT?"));
         asdl_seq * a;
         void *b;
         void *tc;
@@ -1824,8 +2121,10 @@
             (tc = _PyPegen_expect_token(p, TYPE_COMMENT), 1)  // TYPE_COMMENT?
         )
         {
+            D(fprintf(stderr, "%*c+ assignment[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "((star_targets '='))+ (yield_expr | star_expressions) TYPE_COMMENT?"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -1835,16 +2134,21 @@
             _res = _Py_Assign ( a , b , NEW_TYPE_COMMENT ( p , tc ) , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s assignment[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "((star_targets '='))+ (yield_expr | star_expressions) TYPE_COMMENT?"));
     }
     { // single_target augassign (yield_expr | star_expressions)
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> assignment[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "single_target augassign (yield_expr | star_expressions)"));
         expr_ty a;
         AugOperator* b;
         void *c;
@@ -1856,8 +2160,10 @@
             (c = _tmp_24_rule(p))  // yield_expr | star_expressions
         )
         {
+            D(fprintf(stderr, "%*c+ assignment[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "single_target augassign (yield_expr | star_expressions)"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -1867,28 +2173,37 @@
             _res = _Py_AugAssign ( a , b -> kind , c , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s assignment[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "single_target augassign (yield_expr | star_expressions)"));
     }
     { // invalid_assignment
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> assignment[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "invalid_assignment"));
         void *invalid_assignment_var;
         if (
             (invalid_assignment_var = invalid_assignment_rule(p))  // invalid_assignment
         )
         {
+            D(fprintf(stderr, "%*c+ assignment[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "invalid_assignment"));
             _res = invalid_assignment_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s assignment[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "invalid_assignment"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -1909,247 +2224,328 @@
 static AugOperator*
 augassign_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     AugOperator* _res = NULL;
     int _mark = p->mark;
     { // '+='
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> augassign[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'+='"));
         Token * _literal;
         if (
             (_literal = _PyPegen_expect_token(p, 36))  // token='+='
         )
         {
+            D(fprintf(stderr, "%*c+ augassign[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'+='"));
             _res = _PyPegen_augoperator ( p , Add );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s augassign[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'+='"));
     }
     { // '-='
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> augassign[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'-='"));
         Token * _literal;
         if (
             (_literal = _PyPegen_expect_token(p, 37))  // token='-='
         )
         {
+            D(fprintf(stderr, "%*c+ augassign[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'-='"));
             _res = _PyPegen_augoperator ( p , Sub );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s augassign[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'-='"));
     }
     { // '*='
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> augassign[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'*='"));
         Token * _literal;
         if (
             (_literal = _PyPegen_expect_token(p, 38))  // token='*='
         )
         {
+            D(fprintf(stderr, "%*c+ augassign[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'*='"));
             _res = _PyPegen_augoperator ( p , Mult );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s augassign[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'*='"));
     }
     { // '@='
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> augassign[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'@='"));
         Token * _literal;
         if (
             (_literal = _PyPegen_expect_token(p, 50))  // token='@='
         )
         {
+            D(fprintf(stderr, "%*c+ augassign[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'@='"));
             _res = CHECK_VERSION ( 5 , "The '@' operator is" , _PyPegen_augoperator ( p , MatMult ) );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s augassign[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'@='"));
     }
     { // '/='
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> augassign[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'/='"));
         Token * _literal;
         if (
             (_literal = _PyPegen_expect_token(p, 39))  // token='/='
         )
         {
+            D(fprintf(stderr, "%*c+ augassign[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'/='"));
             _res = _PyPegen_augoperator ( p , Div );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s augassign[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'/='"));
     }
     { // '%='
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> augassign[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'%='"));
         Token * _literal;
         if (
             (_literal = _PyPegen_expect_token(p, 40))  // token='%='
         )
         {
+            D(fprintf(stderr, "%*c+ augassign[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'%='"));
             _res = _PyPegen_augoperator ( p , Mod );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s augassign[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'%='"));
     }
     { // '&='
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> augassign[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'&='"));
         Token * _literal;
         if (
             (_literal = _PyPegen_expect_token(p, 41))  // token='&='
         )
         {
+            D(fprintf(stderr, "%*c+ augassign[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'&='"));
             _res = _PyPegen_augoperator ( p , BitAnd );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s augassign[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'&='"));
     }
     { // '|='
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> augassign[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'|='"));
         Token * _literal;
         if (
             (_literal = _PyPegen_expect_token(p, 42))  // token='|='
         )
         {
+            D(fprintf(stderr, "%*c+ augassign[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'|='"));
             _res = _PyPegen_augoperator ( p , BitOr );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s augassign[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'|='"));
     }
     { // '^='
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> augassign[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'^='"));
         Token * _literal;
         if (
             (_literal = _PyPegen_expect_token(p, 43))  // token='^='
         )
         {
+            D(fprintf(stderr, "%*c+ augassign[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'^='"));
             _res = _PyPegen_augoperator ( p , BitXor );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s augassign[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'^='"));
     }
     { // '<<='
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> augassign[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'<<='"));
         Token * _literal;
         if (
             (_literal = _PyPegen_expect_token(p, 44))  // token='<<='
         )
         {
+            D(fprintf(stderr, "%*c+ augassign[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'<<='"));
             _res = _PyPegen_augoperator ( p , LShift );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s augassign[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'<<='"));
     }
     { // '>>='
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> augassign[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'>>='"));
         Token * _literal;
         if (
             (_literal = _PyPegen_expect_token(p, 45))  // token='>>='
         )
         {
+            D(fprintf(stderr, "%*c+ augassign[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'>>='"));
             _res = _PyPegen_augoperator ( p , RShift );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s augassign[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'>>='"));
     }
     { // '**='
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> augassign[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'**='"));
         Token * _literal;
         if (
             (_literal = _PyPegen_expect_token(p, 46))  // token='**='
         )
         {
+            D(fprintf(stderr, "%*c+ augassign[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'**='"));
             _res = _PyPegen_augoperator ( p , Pow );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s augassign[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'**='"));
     }
     { // '//='
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> augassign[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'//='"));
         Token * _literal;
         if (
             (_literal = _PyPegen_expect_token(p, 48))  // token='//='
         )
         {
+            D(fprintf(stderr, "%*c+ augassign[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'//='"));
             _res = _PyPegen_augoperator ( p , FloorDiv );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s augassign[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'//='"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -2157,13 +2553,16 @@
 static stmt_ty
 global_stmt_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     stmt_ty _res = NULL;
     int _mark = p->mark;
     if (p->mark == p->fill && _PyPegen_fill_token(p) < 0) {
         p->error_indicator = 1;
+        D(p->level--);
         return NULL;
     }
     int _start_lineno = p->tokens[_mark]->lineno;
@@ -2172,8 +2571,10 @@
     UNUSED(_start_col_offset); // Only used by EXTRA macro
     { // 'global' ','.NAME+
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> global_stmt[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'global' ','.NAME+"));
         Token * _keyword;
         asdl_seq * a;
         if (
@@ -2182,8 +2583,10 @@
             (a = _gather_25_rule(p))  // ','.NAME+
         )
         {
+            D(fprintf(stderr, "%*c+ global_stmt[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'global' ','.NAME+"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -2193,14 +2596,18 @@
             _res = _Py_Global ( CHECK ( _PyPegen_map_names_to_ids ( p , a ) ) , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s global_stmt[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'global' ','.NAME+"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -2208,13 +2615,16 @@
 static stmt_ty
 nonlocal_stmt_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     stmt_ty _res = NULL;
     int _mark = p->mark;
     if (p->mark == p->fill && _PyPegen_fill_token(p) < 0) {
         p->error_indicator = 1;
+        D(p->level--);
         return NULL;
     }
     int _start_lineno = p->tokens[_mark]->lineno;
@@ -2223,8 +2633,10 @@
     UNUSED(_start_col_offset); // Only used by EXTRA macro
     { // 'nonlocal' ','.NAME+
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> nonlocal_stmt[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'nonlocal' ','.NAME+"));
         Token * _keyword;
         asdl_seq * a;
         if (
@@ -2233,8 +2645,10 @@
             (a = _gather_27_rule(p))  // ','.NAME+
         )
         {
+            D(fprintf(stderr, "%*c+ nonlocal_stmt[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'nonlocal' ','.NAME+"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -2244,14 +2658,18 @@
             _res = _Py_Nonlocal ( CHECK ( _PyPegen_map_names_to_ids ( p , a ) ) , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s nonlocal_stmt[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'nonlocal' ','.NAME+"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -2259,13 +2677,16 @@
 static stmt_ty
 yield_stmt_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     stmt_ty _res = NULL;
     int _mark = p->mark;
     if (p->mark == p->fill && _PyPegen_fill_token(p) < 0) {
         p->error_indicator = 1;
+        D(p->level--);
         return NULL;
     }
     int _start_lineno = p->tokens[_mark]->lineno;
@@ -2274,15 +2695,19 @@
     UNUSED(_start_col_offset); // Only used by EXTRA macro
     { // yield_expr
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> yield_stmt[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "yield_expr"));
         expr_ty y;
         if (
             (y = yield_expr_rule(p))  // yield_expr
         )
         {
+            D(fprintf(stderr, "%*c+ yield_stmt[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "yield_expr"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -2292,14 +2717,18 @@
             _res = _Py_Expr ( y , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s yield_stmt[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "yield_expr"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -2307,13 +2736,16 @@
 static stmt_ty
 assert_stmt_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     stmt_ty _res = NULL;
     int _mark = p->mark;
     if (p->mark == p->fill && _PyPegen_fill_token(p) < 0) {
         p->error_indicator = 1;
+        D(p->level--);
         return NULL;
     }
     int _start_lineno = p->tokens[_mark]->lineno;
@@ -2322,8 +2754,10 @@
     UNUSED(_start_col_offset); // Only used by EXTRA macro
     { // 'assert' expression [',' expression]
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> assert_stmt[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'assert' expression [',' expression]"));
         Token * _keyword;
         expr_ty a;
         void *b;
@@ -2335,8 +2769,10 @@
             (b = _tmp_29_rule(p), 1)  // [',' expression]
         )
         {
+            D(fprintf(stderr, "%*c+ assert_stmt[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'assert' expression [',' expression]"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -2346,14 +2782,18 @@
             _res = _Py_Assert ( a , b , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s assert_stmt[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'assert' expression [',' expression]"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -2361,13 +2801,16 @@
 static stmt_ty
 del_stmt_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     stmt_ty _res = NULL;
     int _mark = p->mark;
     if (p->mark == p->fill && _PyPegen_fill_token(p) < 0) {
         p->error_indicator = 1;
+        D(p->level--);
         return NULL;
     }
     int _start_lineno = p->tokens[_mark]->lineno;
@@ -2376,8 +2819,10 @@
     UNUSED(_start_col_offset); // Only used by EXTRA macro
     { // 'del' del_targets
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> del_stmt[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'del' del_targets"));
         Token * _keyword;
         asdl_seq* a;
         if (
@@ -2386,8 +2831,10 @@
             (a = del_targets_rule(p))  // del_targets
         )
         {
+            D(fprintf(stderr, "%*c+ del_stmt[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'del' del_targets"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -2397,14 +2844,18 @@
             _res = _Py_Delete ( a , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s del_stmt[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'del' del_targets"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -2412,41 +2863,54 @@
 static stmt_ty
 import_stmt_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     stmt_ty _res = NULL;
     int _mark = p->mark;
     { // import_name
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> import_stmt[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "import_name"));
         stmt_ty import_name_var;
         if (
             (import_name_var = import_name_rule(p))  // import_name
         )
         {
+            D(fprintf(stderr, "%*c+ import_stmt[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "import_name"));
             _res = import_name_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s import_stmt[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "import_name"));
     }
     { // import_from
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> import_stmt[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "import_from"));
         stmt_ty import_from_var;
         if (
             (import_from_var = import_from_rule(p))  // import_from
         )
         {
+            D(fprintf(stderr, "%*c+ import_stmt[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "import_from"));
             _res = import_from_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s import_stmt[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "import_from"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -2454,13 +2918,16 @@
 static stmt_ty
 import_name_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     stmt_ty _res = NULL;
     int _mark = p->mark;
     if (p->mark == p->fill && _PyPegen_fill_token(p) < 0) {
         p->error_indicator = 1;
+        D(p->level--);
         return NULL;
     }
     int _start_lineno = p->tokens[_mark]->lineno;
@@ -2469,8 +2936,10 @@
     UNUSED(_start_col_offset); // Only used by EXTRA macro
     { // 'import' dotted_as_names
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> import_name[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'import' dotted_as_names"));
         Token * _keyword;
         asdl_seq* a;
         if (
@@ -2479,8 +2948,10 @@
             (a = dotted_as_names_rule(p))  // dotted_as_names
         )
         {
+            D(fprintf(stderr, "%*c+ import_name[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'import' dotted_as_names"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -2490,14 +2961,18 @@
             _res = _Py_Import ( a , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s import_name[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'import' dotted_as_names"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -2507,13 +2982,16 @@
 static stmt_ty
 import_from_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     stmt_ty _res = NULL;
     int _mark = p->mark;
     if (p->mark == p->fill && _PyPegen_fill_token(p) < 0) {
         p->error_indicator = 1;
+        D(p->level--);
         return NULL;
     }
     int _start_lineno = p->tokens[_mark]->lineno;
@@ -2522,8 +3000,10 @@
     UNUSED(_start_col_offset); // Only used by EXTRA macro
     { // 'from' (('.' | '...'))* dotted_name 'import' import_from_targets
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> import_from[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'from' (('.' | '...'))* dotted_name 'import' import_from_targets"));
         Token * _keyword;
         Token * _keyword_1;
         asdl_seq * a;
@@ -2541,8 +3021,10 @@
             (c = import_from_targets_rule(p))  // import_from_targets
         )
         {
+            D(fprintf(stderr, "%*c+ import_from[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'from' (('.' | '...'))* dotted_name 'import' import_from_targets"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -2552,16 +3034,21 @@
             _res = _Py_ImportFrom ( b -> v . Name . id , c , _PyPegen_seq_count_dots ( a ) , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s import_from[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'from' (('.' | '...'))* dotted_name 'import' import_from_targets"));
     }
     { // 'from' (('.' | '...'))+ 'import' import_from_targets
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> import_from[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'from' (('.' | '...'))+ 'import' import_from_targets"));
         Token * _keyword;
         Token * _keyword_1;
         asdl_seq * a;
@@ -2576,8 +3063,10 @@
             (b = import_from_targets_rule(p))  // import_from_targets
         )
         {
+            D(fprintf(stderr, "%*c+ import_from[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'from' (('.' | '...'))+ 'import' import_from_targets"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -2587,14 +3076,18 @@
             _res = _Py_ImportFrom ( NULL , b , _PyPegen_seq_count_dots ( a ) , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s import_from[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'from' (('.' | '...'))+ 'import' import_from_targets"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -2606,15 +3099,19 @@
 static asdl_seq*
 import_from_targets_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     asdl_seq* _res = NULL;
     int _mark = p->mark;
     { // '(' import_from_as_names ','? ')'
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> import_from_targets[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'(' import_from_as_names ','? ')'"));
         Token * _literal;
         Token * _literal_1;
         void *_opt_var;
@@ -2630,19 +3127,25 @@
             (_literal_1 = _PyPegen_expect_token(p, 8))  // token=')'
         )
         {
+            D(fprintf(stderr, "%*c+ import_from_targets[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'(' import_from_as_names ','? ')'"));
             _res = a;
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s import_from_targets[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'(' import_from_as_names ','? ')'"));
     }
     { // import_from_as_names !','
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> import_from_targets[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "import_from_as_names !','"));
         asdl_seq* import_from_as_names_var;
         if (
             (import_from_as_names_var = import_from_as_names_rule(p))  // import_from_as_names
@@ -2650,45 +3153,60 @@
             _PyPegen_lookahead_with_int(0, _PyPegen_expect_token, p, 12)  // token=','
         )
         {
+            D(fprintf(stderr, "%*c+ import_from_targets[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "import_from_as_names !','"));
             _res = import_from_as_names_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s import_from_targets[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "import_from_as_names !','"));
     }
     { // '*'
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> import_from_targets[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'*'"));
         Token * _literal;
         if (
             (_literal = _PyPegen_expect_token(p, 16))  // token='*'
         )
         {
+            D(fprintf(stderr, "%*c+ import_from_targets[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'*'"));
             _res = _PyPegen_singleton_seq ( p , CHECK ( _PyPegen_alias_for_star ( p ) ) );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s import_from_targets[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'*'"));
     }
     { // invalid_import_from_targets
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> import_from_targets[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "invalid_import_from_targets"));
         void *invalid_import_from_targets_var;
         if (
             (invalid_import_from_targets_var = invalid_import_from_targets_rule(p))  // invalid_import_from_targets
         )
         {
+            D(fprintf(stderr, "%*c+ import_from_targets[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "invalid_import_from_targets"));
             _res = invalid_import_from_targets_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s import_from_targets[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "invalid_import_from_targets"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -2696,31 +3214,40 @@
 static asdl_seq*
 import_from_as_names_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     asdl_seq* _res = NULL;
     int _mark = p->mark;
     { // ','.import_from_as_name+
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> import_from_as_names[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "','.import_from_as_name+"));
         asdl_seq * a;
         if (
             (a = _gather_32_rule(p))  // ','.import_from_as_name+
         )
         {
+            D(fprintf(stderr, "%*c+ import_from_as_names[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "','.import_from_as_name+"));
             _res = a;
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s import_from_as_names[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "','.import_from_as_name+"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -2728,15 +3255,19 @@
 static alias_ty
 import_from_as_name_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     alias_ty _res = NULL;
     int _mark = p->mark;
     { // NAME ['as' NAME]
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> import_from_as_name[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "NAME ['as' NAME]"));
         expr_ty a;
         void *b;
         if (
@@ -2745,17 +3276,22 @@
             (b = _tmp_34_rule(p), 1)  // ['as' NAME]
         )
         {
+            D(fprintf(stderr, "%*c+ import_from_as_name[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "NAME ['as' NAME]"));
             _res = _Py_alias ( a -> v . Name . id , ( b ) ? ( ( expr_ty ) b ) -> v . Name . id : NULL , p -> arena );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s import_from_as_name[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "NAME ['as' NAME]"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -2763,31 +3299,40 @@
 static asdl_seq*
 dotted_as_names_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     asdl_seq* _res = NULL;
     int _mark = p->mark;
     { // ','.dotted_as_name+
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> dotted_as_names[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "','.dotted_as_name+"));
         asdl_seq * a;
         if (
             (a = _gather_35_rule(p))  // ','.dotted_as_name+
         )
         {
+            D(fprintf(stderr, "%*c+ dotted_as_names[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "','.dotted_as_name+"));
             _res = a;
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s dotted_as_names[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "','.dotted_as_name+"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -2795,15 +3340,19 @@
 static alias_ty
 dotted_as_name_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     alias_ty _res = NULL;
     int _mark = p->mark;
     { // dotted_name ['as' NAME]
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> dotted_as_name[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "dotted_name ['as' NAME]"));
         expr_ty a;
         void *b;
         if (
@@ -2812,17 +3361,22 @@
             (b = _tmp_37_rule(p), 1)  // ['as' NAME]
         )
         {
+            D(fprintf(stderr, "%*c+ dotted_as_name[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "dotted_name ['as' NAME]"));
             _res = _Py_alias ( a -> v . Name . id , ( b ) ? ( ( expr_ty ) b ) -> v . Name . id : NULL , p -> arena );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s dotted_as_name[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "dotted_name ['as' NAME]"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -2832,14 +3386,18 @@
 static expr_ty
 dotted_name_rule(Parser *p)
 {
+    D(p->level++);
     expr_ty _res = NULL;
-    if (_PyPegen_is_memoized(p, dotted_name_type, &_res))
+    if (_PyPegen_is_memoized(p, dotted_name_type, &_res)) {
+        D(p->level--);
         return _res;
+    }
     int _mark = p->mark;
     int _resmark = p->mark;
     while (1) {
         int tmpvar_0 = _PyPegen_update_memo(p, _mark, dotted_name_type, _res);
         if (tmpvar_0) {
+            D(p->level--);
             return _res;
         }
         p->mark = _mark;
@@ -2850,20 +3408,25 @@
         _res = _raw;
     }
     p->mark = _resmark;
+    D(p->level--);
     return _res;
 }
 static expr_ty
 dotted_name_raw(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     expr_ty _res = NULL;
     int _mark = p->mark;
     { // dotted_name '.' NAME
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> dotted_name[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "dotted_name '.' NAME"));
         Token * _literal;
         expr_ty a;
         expr_ty b;
@@ -2875,31 +3438,41 @@
             (b = _PyPegen_name_token(p))  // NAME
         )
         {
+            D(fprintf(stderr, "%*c+ dotted_name[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "dotted_name '.' NAME"));
             _res = _PyPegen_join_names_with_dot ( p , a , b );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s dotted_name[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "dotted_name '.' NAME"));
     }
     { // NAME
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> dotted_name[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "NAME"));
         expr_ty name_var;
         if (
             (name_var = _PyPegen_name_token(p))  // NAME
         )
         {
+            D(fprintf(stderr, "%*c+ dotted_name[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "NAME"));
             _res = name_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s dotted_name[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "NAME"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -2909,13 +3482,16 @@
 static stmt_ty
 if_stmt_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     stmt_ty _res = NULL;
     int _mark = p->mark;
     if (p->mark == p->fill && _PyPegen_fill_token(p) < 0) {
         p->error_indicator = 1;
+        D(p->level--);
         return NULL;
     }
     int _start_lineno = p->tokens[_mark]->lineno;
@@ -2924,8 +3500,10 @@
     UNUSED(_start_col_offset); // Only used by EXTRA macro
     { // 'if' named_expression ':' block elif_stmt
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> if_stmt[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'if' named_expression ':' block elif_stmt"));
         Token * _keyword;
         Token * _literal;
         expr_ty a;
@@ -2943,8 +3521,10 @@
             (c = elif_stmt_rule(p))  // elif_stmt
         )
         {
+            D(fprintf(stderr, "%*c+ if_stmt[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'if' named_expression ':' block elif_stmt"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -2954,16 +3534,21 @@
             _res = _Py_If ( a , b , CHECK ( _PyPegen_singleton_seq ( p , c ) ) , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s if_stmt[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'if' named_expression ':' block elif_stmt"));
     }
     { // 'if' named_expression ':' block else_block?
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> if_stmt[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'if' named_expression ':' block else_block?"));
         Token * _keyword;
         Token * _literal;
         expr_ty a;
@@ -2981,8 +3566,10 @@
             (c = else_block_rule(p), 1)  // else_block?
         )
         {
+            D(fprintf(stderr, "%*c+ if_stmt[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'if' named_expression ':' block else_block?"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -2992,14 +3579,18 @@
             _res = _Py_If ( a , b , c , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s if_stmt[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'if' named_expression ':' block else_block?"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -3009,13 +3600,16 @@
 static stmt_ty
 elif_stmt_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     stmt_ty _res = NULL;
     int _mark = p->mark;
     if (p->mark == p->fill && _PyPegen_fill_token(p) < 0) {
         p->error_indicator = 1;
+        D(p->level--);
         return NULL;
     }
     int _start_lineno = p->tokens[_mark]->lineno;
@@ -3024,8 +3618,10 @@
     UNUSED(_start_col_offset); // Only used by EXTRA macro
     { // 'elif' named_expression ':' block elif_stmt
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> elif_stmt[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'elif' named_expression ':' block elif_stmt"));
         Token * _keyword;
         Token * _literal;
         expr_ty a;
@@ -3043,8 +3639,10 @@
             (c = elif_stmt_rule(p))  // elif_stmt
         )
         {
+            D(fprintf(stderr, "%*c+ elif_stmt[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'elif' named_expression ':' block elif_stmt"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -3054,16 +3652,21 @@
             _res = _Py_If ( a , b , CHECK ( _PyPegen_singleton_seq ( p , c ) ) , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s elif_stmt[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'elif' named_expression ':' block elif_stmt"));
     }
     { // 'elif' named_expression ':' block else_block?
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> elif_stmt[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'elif' named_expression ':' block else_block?"));
         Token * _keyword;
         Token * _literal;
         expr_ty a;
@@ -3081,8 +3684,10 @@
             (c = else_block_rule(p), 1)  // else_block?
         )
         {
+            D(fprintf(stderr, "%*c+ elif_stmt[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'elif' named_expression ':' block else_block?"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -3092,14 +3697,18 @@
             _res = _Py_If ( a , b , c , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s elif_stmt[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'elif' named_expression ':' block else_block?"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -3107,15 +3716,19 @@
 static asdl_seq*
 else_block_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     asdl_seq* _res = NULL;
     int _mark = p->mark;
     { // 'else' ':' block
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> else_block[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'else' ':' block"));
         Token * _keyword;
         Token * _literal;
         asdl_seq* b;
@@ -3127,17 +3740,22 @@
             (b = block_rule(p))  // block
         )
         {
+            D(fprintf(stderr, "%*c+ else_block[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'else' ':' block"));
             _res = b;
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s else_block[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'else' ':' block"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -3145,13 +3763,16 @@
 static stmt_ty
 while_stmt_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     stmt_ty _res = NULL;
     int _mark = p->mark;
     if (p->mark == p->fill && _PyPegen_fill_token(p) < 0) {
         p->error_indicator = 1;
+        D(p->level--);
         return NULL;
     }
     int _start_lineno = p->tokens[_mark]->lineno;
@@ -3160,8 +3781,10 @@
     UNUSED(_start_col_offset); // Only used by EXTRA macro
     { // 'while' named_expression ':' block else_block?
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> while_stmt[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'while' named_expression ':' block else_block?"));
         Token * _keyword;
         Token * _literal;
         expr_ty a;
@@ -3179,8 +3802,10 @@
             (c = else_block_rule(p), 1)  // else_block?
         )
         {
+            D(fprintf(stderr, "%*c+ while_stmt[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'while' named_expression ':' block else_block?"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -3190,14 +3815,18 @@
             _res = _Py_While ( a , b , c , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s while_stmt[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'while' named_expression ':' block else_block?"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -3207,13 +3836,16 @@
 static stmt_ty
 for_stmt_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     stmt_ty _res = NULL;
     int _mark = p->mark;
     if (p->mark == p->fill && _PyPegen_fill_token(p) < 0) {
         p->error_indicator = 1;
+        D(p->level--);
         return NULL;
     }
     int _start_lineno = p->tokens[_mark]->lineno;
@@ -3222,8 +3854,10 @@
     UNUSED(_start_col_offset); // Only used by EXTRA macro
     { // 'for' star_targets 'in' star_expressions ':' TYPE_COMMENT? block else_block?
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> for_stmt[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'for' star_targets 'in' star_expressions ':' TYPE_COMMENT? block else_block?"));
         Token * _keyword;
         Token * _keyword_1;
         Token * _literal;
@@ -3250,8 +3884,10 @@
             (el = else_block_rule(p), 1)  // else_block?
         )
         {
+            D(fprintf(stderr, "%*c+ for_stmt[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'for' star_targets 'in' star_expressions ':' TYPE_COMMENT? block else_block?"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -3261,16 +3897,21 @@
             _res = _Py_For ( t , ex , b , el , NEW_TYPE_COMMENT ( p , tc ) , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s for_stmt[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'for' star_targets 'in' star_expressions ':' TYPE_COMMENT? block else_block?"));
     }
     { // ASYNC 'for' star_targets 'in' star_expressions ':' TYPE_COMMENT? block else_block?
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> for_stmt[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "ASYNC 'for' star_targets 'in' star_expressions ':' TYPE_COMMENT? block else_block?"));
         Token * _keyword;
         Token * _keyword_1;
         Token * _literal;
@@ -3300,8 +3941,10 @@
             (el = else_block_rule(p), 1)  // else_block?
         )
         {
+            D(fprintf(stderr, "%*c+ for_stmt[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "ASYNC 'for' star_targets 'in' star_expressions ':' TYPE_COMMENT? block else_block?"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -3311,14 +3954,18 @@
             _res = CHECK_VERSION ( 5 , "Async for loops are" , _Py_AsyncFor ( t , ex , b , el , NEW_TYPE_COMMENT ( p , tc ) , EXTRA ) );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s for_stmt[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "ASYNC 'for' star_targets 'in' star_expressions ':' TYPE_COMMENT? block else_block?"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -3330,13 +3977,16 @@
 static stmt_ty
 with_stmt_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     stmt_ty _res = NULL;
     int _mark = p->mark;
     if (p->mark == p->fill && _PyPegen_fill_token(p) < 0) {
         p->error_indicator = 1;
+        D(p->level--);
         return NULL;
     }
     int _start_lineno = p->tokens[_mark]->lineno;
@@ -3345,8 +3995,10 @@
     UNUSED(_start_col_offset); // Only used by EXTRA macro
     { // 'with' '(' ','.with_item+ ','? ')' ':' block
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> with_stmt[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'with' '(' ','.with_item+ ','? ')' ':' block"));
         Token * _keyword;
         Token * _literal;
         Token * _literal_1;
@@ -3371,8 +4023,10 @@
             (b = block_rule(p))  // block
         )
         {
+            D(fprintf(stderr, "%*c+ with_stmt[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'with' '(' ','.with_item+ ','? ')' ':' block"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -3382,16 +4036,21 @@
             _res = _Py_With ( a , b , NULL , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s with_stmt[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'with' '(' ','.with_item+ ','? ')' ':' block"));
     }
     { // 'with' ','.with_item+ ':' TYPE_COMMENT? block
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> with_stmt[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'with' ','.with_item+ ':' TYPE_COMMENT? block"));
         Token * _keyword;
         Token * _literal;
         asdl_seq * a;
@@ -3409,8 +4068,10 @@
             (b = block_rule(p))  // block
         )
         {
+            D(fprintf(stderr, "%*c+ with_stmt[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'with' ','.with_item+ ':' TYPE_COMMENT? block"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -3420,16 +4081,21 @@
             _res = _Py_With ( a , b , NEW_TYPE_COMMENT ( p , tc ) , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s with_stmt[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'with' ','.with_item+ ':' TYPE_COMMENT? block"));
     }
     { // ASYNC 'with' '(' ','.with_item+ ','? ')' ':' block
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> with_stmt[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "ASYNC 'with' '(' ','.with_item+ ','? ')' ':' block"));
         Token * _keyword;
         Token * _literal;
         Token * _literal_1;
@@ -3457,8 +4123,10 @@
             (b = block_rule(p))  // block
         )
         {
+            D(fprintf(stderr, "%*c+ with_stmt[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "ASYNC 'with' '(' ','.with_item+ ','? ')' ':' block"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -3468,16 +4136,21 @@
             _res = CHECK_VERSION ( 5 , "Async with statements are" , _Py_AsyncWith ( a , b , NULL , EXTRA ) );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s with_stmt[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "ASYNC 'with' '(' ','.with_item+ ','? ')' ':' block"));
     }
     { // ASYNC 'with' ','.with_item+ ':' TYPE_COMMENT? block
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> with_stmt[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "ASYNC 'with' ','.with_item+ ':' TYPE_COMMENT? block"));
         Token * _keyword;
         Token * _literal;
         asdl_seq * a;
@@ -3498,8 +4171,10 @@
             (b = block_rule(p))  // block
         )
         {
+            D(fprintf(stderr, "%*c+ with_stmt[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "ASYNC 'with' ','.with_item+ ':' TYPE_COMMENT? block"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -3509,14 +4184,18 @@
             _res = CHECK_VERSION ( 5 , "Async with statements are" , _Py_AsyncWith ( a , b , NEW_TYPE_COMMENT ( p , tc ) , EXTRA ) );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s with_stmt[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "ASYNC 'with' ','.with_item+ ':' TYPE_COMMENT? block"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -3524,15 +4203,19 @@
 static withitem_ty
 with_item_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     withitem_ty _res = NULL;
     int _mark = p->mark;
     { // expression ['as' target]
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> with_item[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "expression ['as' target]"));
         expr_ty e;
         void *o;
         if (
@@ -3541,17 +4224,22 @@
             (o = _tmp_46_rule(p), 1)  // ['as' target]
         )
         {
+            D(fprintf(stderr, "%*c+ with_item[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "expression ['as' target]"));
             _res = _Py_withitem ( e , o , p -> arena );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s with_item[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "expression ['as' target]"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -3561,13 +4249,16 @@
 static stmt_ty
 try_stmt_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     stmt_ty _res = NULL;
     int _mark = p->mark;
     if (p->mark == p->fill && _PyPegen_fill_token(p) < 0) {
         p->error_indicator = 1;
+        D(p->level--);
         return NULL;
     }
     int _start_lineno = p->tokens[_mark]->lineno;
@@ -3576,8 +4267,10 @@
     UNUSED(_start_col_offset); // Only used by EXTRA macro
     { // 'try' ':' block finally_block
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> try_stmt[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'try' ':' block finally_block"));
         Token * _keyword;
         Token * _literal;
         asdl_seq* b;
@@ -3592,8 +4285,10 @@
             (f = finally_block_rule(p))  // finally_block
         )
         {
+            D(fprintf(stderr, "%*c+ try_stmt[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'try' ':' block finally_block"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -3603,16 +4298,21 @@
             _res = _Py_Try ( b , NULL , NULL , f , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s try_stmt[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'try' ':' block finally_block"));
     }
     { // 'try' ':' block except_block+ else_block? finally_block?
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> try_stmt[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'try' ':' block except_block+ else_block? finally_block?"));
         Token * _keyword;
         Token * _literal;
         asdl_seq* b;
@@ -3633,8 +4333,10 @@
             (f = finally_block_rule(p), 1)  // finally_block?
         )
         {
+            D(fprintf(stderr, "%*c+ try_stmt[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'try' ':' block except_block+ else_block? finally_block?"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -3644,14 +4346,18 @@
             _res = _Py_Try ( b , ex , el , f , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s try_stmt[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'try' ':' block except_block+ else_block? finally_block?"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -3659,13 +4365,16 @@
 static excepthandler_ty
 except_block_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     excepthandler_ty _res = NULL;
     int _mark = p->mark;
     if (p->mark == p->fill && _PyPegen_fill_token(p) < 0) {
         p->error_indicator = 1;
+        D(p->level--);
         return NULL;
     }
     int _start_lineno = p->tokens[_mark]->lineno;
@@ -3674,8 +4383,10 @@
     UNUSED(_start_col_offset); // Only used by EXTRA macro
     { // 'except' expression ['as' NAME] ':' block
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> except_block[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'except' expression ['as' NAME] ':' block"));
         Token * _keyword;
         Token * _literal;
         asdl_seq* b;
@@ -3693,8 +4404,10 @@
             (b = block_rule(p))  // block
         )
         {
+            D(fprintf(stderr, "%*c+ except_block[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'except' expression ['as' NAME] ':' block"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -3704,16 +4417,21 @@
             _res = _Py_ExceptHandler ( e , ( t ) ? ( ( expr_ty ) t ) -> v . Name . id : NULL , b , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s except_block[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'except' expression ['as' NAME] ':' block"));
     }
     { // 'except' ':' block
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> except_block[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'except' ':' block"));
         Token * _keyword;
         Token * _literal;
         asdl_seq* b;
@@ -3725,8 +4443,10 @@
             (b = block_rule(p))  // block
         )
         {
+            D(fprintf(stderr, "%*c+ except_block[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'except' ':' block"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -3736,14 +4456,18 @@
             _res = _Py_ExceptHandler ( NULL , NULL , b , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s except_block[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'except' ':' block"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -3751,15 +4475,19 @@
 static asdl_seq*
 finally_block_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     asdl_seq* _res = NULL;
     int _mark = p->mark;
     { // 'finally' ':' block
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> finally_block[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'finally' ':' block"));
         Token * _keyword;
         Token * _literal;
         asdl_seq* a;
@@ -3771,17 +4499,22 @@
             (a = block_rule(p))  // block
         )
         {
+            D(fprintf(stderr, "%*c+ finally_block[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'finally' ':' block"));
             _res = a;
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s finally_block[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'finally' ':' block"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -3789,13 +4522,16 @@
 static stmt_ty
 return_stmt_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     stmt_ty _res = NULL;
     int _mark = p->mark;
     if (p->mark == p->fill && _PyPegen_fill_token(p) < 0) {
         p->error_indicator = 1;
+        D(p->level--);
         return NULL;
     }
     int _start_lineno = p->tokens[_mark]->lineno;
@@ -3804,8 +4540,10 @@
     UNUSED(_start_col_offset); // Only used by EXTRA macro
     { // 'return' star_expressions?
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> return_stmt[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'return' star_expressions?"));
         Token * _keyword;
         void *a;
         if (
@@ -3814,8 +4552,10 @@
             (a = star_expressions_rule(p), 1)  // star_expressions?
         )
         {
+            D(fprintf(stderr, "%*c+ return_stmt[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'return' star_expressions?"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -3825,14 +4565,18 @@
             _res = _Py_Return ( a , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s return_stmt[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'return' star_expressions?"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -3840,13 +4584,16 @@
 static stmt_ty
 raise_stmt_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     stmt_ty _res = NULL;
     int _mark = p->mark;
     if (p->mark == p->fill && _PyPegen_fill_token(p) < 0) {
         p->error_indicator = 1;
+        D(p->level--);
         return NULL;
     }
     int _start_lineno = p->tokens[_mark]->lineno;
@@ -3855,8 +4602,10 @@
     UNUSED(_start_col_offset); // Only used by EXTRA macro
     { // 'raise' expression ['from' expression]
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> raise_stmt[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'raise' expression ['from' expression]"));
         Token * _keyword;
         expr_ty a;
         void *b;
@@ -3868,8 +4617,10 @@
             (b = _tmp_49_rule(p), 1)  // ['from' expression]
         )
         {
+            D(fprintf(stderr, "%*c+ raise_stmt[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'raise' expression ['from' expression]"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -3879,23 +4630,30 @@
             _res = _Py_Raise ( a , b , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s raise_stmt[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'raise' expression ['from' expression]"));
     }
     { // 'raise'
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> raise_stmt[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'raise'"));
         Token * _keyword;
         if (
             (_keyword = _PyPegen_expect_token(p, 501))  // token='raise'
         )
         {
+            D(fprintf(stderr, "%*c+ raise_stmt[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'raise'"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -3905,14 +4663,18 @@
             _res = _Py_Raise ( NULL , NULL , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s raise_stmt[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'raise'"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -3920,15 +4682,19 @@
 static stmt_ty
 function_def_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     stmt_ty _res = NULL;
     int _mark = p->mark;
     { // decorators function_def_raw
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> function_def[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "decorators function_def_raw"));
         asdl_seq* d;
         stmt_ty f;
         if (
@@ -3937,31 +4703,41 @@
             (f = function_def_raw_rule(p))  // function_def_raw
         )
         {
+            D(fprintf(stderr, "%*c+ function_def[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "decorators function_def_raw"));
             _res = _PyPegen_function_def_decorators ( p , d , f );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s function_def[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "decorators function_def_raw"));
     }
     { // function_def_raw
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> function_def[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "function_def_raw"));
         stmt_ty function_def_raw_var;
         if (
             (function_def_raw_var = function_def_raw_rule(p))  // function_def_raw
         )
         {
+            D(fprintf(stderr, "%*c+ function_def[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "function_def_raw"));
             _res = function_def_raw_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s function_def[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "function_def_raw"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -3971,13 +4747,16 @@
 static stmt_ty
 function_def_raw_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     stmt_ty _res = NULL;
     int _mark = p->mark;
     if (p->mark == p->fill && _PyPegen_fill_token(p) < 0) {
         p->error_indicator = 1;
+        D(p->level--);
         return NULL;
     }
     int _start_lineno = p->tokens[_mark]->lineno;
@@ -3986,8 +4765,10 @@
     UNUSED(_start_col_offset); // Only used by EXTRA macro
     { // 'def' NAME '(' params? ')' ['->' expression] ':' func_type_comment? block
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> function_def_raw[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'def' NAME '(' params? ')' ['->' expression] ':' func_type_comment? block"));
         Token * _keyword;
         Token * _literal;
         Token * _literal_1;
@@ -4017,8 +4798,10 @@
             (b = block_rule(p))  // block
         )
         {
+            D(fprintf(stderr, "%*c+ function_def_raw[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'def' NAME '(' params? ')' ['->' expression] ':' func_type_comment? block"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -4028,16 +4811,21 @@
             _res = _Py_FunctionDef ( n -> v . Name . id , ( params ) ? params : CHECK ( _PyPegen_empty_arguments ( p ) ) , b , NULL , a , NEW_TYPE_COMMENT ( p , tc ) , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s function_def_raw[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'def' NAME '(' params? ')' ['->' expression] ':' func_type_comment? block"));
     }
     { // ASYNC 'def' NAME '(' params? ')' ['->' expression] ':' func_type_comment? block
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> function_def_raw[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "ASYNC 'def' NAME '(' params? ')' ['->' expression] ':' func_type_comment? block"));
         Token * _keyword;
         Token * _literal;
         Token * _literal_1;
@@ -4070,8 +4858,10 @@
             (b = block_rule(p))  // block
         )
         {
+            D(fprintf(stderr, "%*c+ function_def_raw[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "ASYNC 'def' NAME '(' params? ')' ['->' expression] ':' func_type_comment? block"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -4081,14 +4871,18 @@
             _res = CHECK_VERSION ( 5 , "Async functions are" , _Py_AsyncFunctionDef ( n -> v . Name . id , ( params ) ? params : CHECK ( _PyPegen_empty_arguments ( p ) ) , b , NULL , a , NEW_TYPE_COMMENT ( p , tc ) , EXTRA ) );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s function_def_raw[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "ASYNC 'def' NAME '(' params? ')' ['->' expression] ':' func_type_comment? block"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -4099,15 +4893,19 @@
 static Token*
 func_type_comment_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     Token* _res = NULL;
     int _mark = p->mark;
     { // NEWLINE TYPE_COMMENT &(NEWLINE INDENT)
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> func_type_comment[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "NEWLINE TYPE_COMMENT &(NEWLINE INDENT)"));
         Token * newline_var;
         Token * t;
         if (
@@ -4118,45 +4916,60 @@
             _PyPegen_lookahead(1, _tmp_52_rule, p)
         )
         {
+            D(fprintf(stderr, "%*c+ func_type_comment[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "NEWLINE TYPE_COMMENT &(NEWLINE INDENT)"));
             _res = t;
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s func_type_comment[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "NEWLINE TYPE_COMMENT &(NEWLINE INDENT)"));
     }
     { // invalid_double_type_comments
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> func_type_comment[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "invalid_double_type_comments"));
         void *invalid_double_type_comments_var;
         if (
             (invalid_double_type_comments_var = invalid_double_type_comments_rule(p))  // invalid_double_type_comments
         )
         {
+            D(fprintf(stderr, "%*c+ func_type_comment[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "invalid_double_type_comments"));
             _res = invalid_double_type_comments_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s func_type_comment[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "invalid_double_type_comments"));
     }
     { // TYPE_COMMENT
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> func_type_comment[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "TYPE_COMMENT"));
         Token * type_comment_var;
         if (
             (type_comment_var = _PyPegen_expect_token(p, TYPE_COMMENT))  // token='TYPE_COMMENT'
         )
         {
+            D(fprintf(stderr, "%*c+ func_type_comment[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "TYPE_COMMENT"));
             _res = type_comment_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s func_type_comment[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "TYPE_COMMENT"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -4164,41 +4977,54 @@
 static arguments_ty
 params_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     arguments_ty _res = NULL;
     int _mark = p->mark;
     { // invalid_parameters
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> params[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "invalid_parameters"));
         void *invalid_parameters_var;
         if (
             (invalid_parameters_var = invalid_parameters_rule(p))  // invalid_parameters
         )
         {
+            D(fprintf(stderr, "%*c+ params[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "invalid_parameters"));
             _res = invalid_parameters_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s params[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "invalid_parameters"));
     }
     { // parameters
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> params[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "parameters"));
         arguments_ty parameters_var;
         if (
             (parameters_var = parameters_rule(p))  // parameters
         )
         {
+            D(fprintf(stderr, "%*c+ params[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "parameters"));
             _res = parameters_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s params[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "parameters"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -4211,15 +5037,19 @@
 static arguments_ty
 parameters_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     arguments_ty _res = NULL;
     int _mark = p->mark;
     { // slash_no_default param_no_default* param_with_default* star_etc?
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> parameters[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "slash_no_default param_no_default* param_with_default* star_etc?"));
         asdl_seq* a;
         asdl_seq * b;
         asdl_seq * c;
@@ -4234,19 +5064,25 @@
             (d = star_etc_rule(p), 1)  // star_etc?
         )
         {
+            D(fprintf(stderr, "%*c+ parameters[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "slash_no_default param_no_default* param_with_default* star_etc?"));
             _res = _PyPegen_make_arguments ( p , a , NULL , b , c , d );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s parameters[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "slash_no_default param_no_default* param_with_default* star_etc?"));
     }
     { // slash_with_default param_with_default* star_etc?
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> parameters[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "slash_with_default param_with_default* star_etc?"));
         SlashWithDefault* a;
         asdl_seq * b;
         void *c;
@@ -4258,19 +5094,25 @@
             (c = star_etc_rule(p), 1)  // star_etc?
         )
         {
+            D(fprintf(stderr, "%*c+ parameters[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "slash_with_default param_with_default* star_etc?"));
             _res = _PyPegen_make_arguments ( p , NULL , a , NULL , b , c );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s parameters[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "slash_with_default param_with_default* star_etc?"));
     }
     { // param_no_default+ param_with_default* star_etc?
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> parameters[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "param_no_default+ param_with_default* star_etc?"));
         asdl_seq * a;
         asdl_seq * b;
         void *c;
@@ -4282,19 +5124,25 @@
             (c = star_etc_rule(p), 1)  // star_etc?
         )
         {
+            D(fprintf(stderr, "%*c+ parameters[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "param_no_default+ param_with_default* star_etc?"));
             _res = _PyPegen_make_arguments ( p , NULL , NULL , a , b , c );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s parameters[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "param_no_default+ param_with_default* star_etc?"));
     }
     { // param_with_default+ star_etc?
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> parameters[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "param_with_default+ star_etc?"));
         asdl_seq * a;
         void *b;
         if (
@@ -4303,35 +5151,46 @@
             (b = star_etc_rule(p), 1)  // star_etc?
         )
         {
+            D(fprintf(stderr, "%*c+ parameters[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "param_with_default+ star_etc?"));
             _res = _PyPegen_make_arguments ( p , NULL , NULL , NULL , a , b );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s parameters[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "param_with_default+ star_etc?"));
     }
     { // star_etc
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> parameters[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "star_etc"));
         StarEtc* a;
         if (
             (a = star_etc_rule(p))  // star_etc
         )
         {
+            D(fprintf(stderr, "%*c+ parameters[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "star_etc"));
             _res = _PyPegen_make_arguments ( p , NULL , NULL , NULL , NULL , a );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s parameters[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "star_etc"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -4339,15 +5198,19 @@
 static asdl_seq*
 slash_no_default_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     asdl_seq* _res = NULL;
     int _mark = p->mark;
     { // param_no_default+ '/' ','
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> slash_no_default[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "param_no_default+ '/' ','"));
         Token * _literal;
         Token * _literal_1;
         asdl_seq * a;
@@ -4359,19 +5222,25 @@
             (_literal_1 = _PyPegen_expect_token(p, 12))  // token=','
         )
         {
+            D(fprintf(stderr, "%*c+ slash_no_default[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "param_no_default+ '/' ','"));
             _res = a;
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s slash_no_default[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "param_no_default+ '/' ','"));
     }
     { // param_no_default+ '/' &')'
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> slash_no_default[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "param_no_default+ '/' &')'"));
         Token * _literal;
         asdl_seq * a;
         if (
@@ -4382,17 +5251,22 @@
             _PyPegen_lookahead_with_int(1, _PyPegen_expect_token, p, 8)  // token=')'
         )
         {
+            D(fprintf(stderr, "%*c+ slash_no_default[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "param_no_default+ '/' &')'"));
             _res = a;
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s slash_no_default[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "param_no_default+ '/' &')'"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -4402,15 +5276,19 @@
 static SlashWithDefault*
 slash_with_default_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     SlashWithDefault* _res = NULL;
     int _mark = p->mark;
     { // param_no_default* param_with_default+ '/' ','
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> slash_with_default[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "param_no_default* param_with_default+ '/' ','"));
         Token * _literal;
         Token * _literal_1;
         asdl_seq * a;
@@ -4425,19 +5303,25 @@
             (_literal_1 = _PyPegen_expect_token(p, 12))  // token=','
         )
         {
+            D(fprintf(stderr, "%*c+ slash_with_default[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "param_no_default* param_with_default+ '/' ','"));
             _res = _PyPegen_slash_with_default ( p , a , b );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s slash_with_default[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "param_no_default* param_with_default+ '/' ','"));
     }
     { // param_no_default* param_with_default+ '/' &')'
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> slash_with_default[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "param_no_default* param_with_default+ '/' &')'"));
         Token * _literal;
         asdl_seq * a;
         asdl_seq * b;
@@ -4451,17 +5335,22 @@
             _PyPegen_lookahead_with_int(1, _PyPegen_expect_token, p, 8)  // token=')'
         )
         {
+            D(fprintf(stderr, "%*c+ slash_with_default[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "param_no_default* param_with_default+ '/' &')'"));
             _res = _PyPegen_slash_with_default ( p , a , b );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s slash_with_default[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "param_no_default* param_with_default+ '/' &')'"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -4473,15 +5362,19 @@
 static StarEtc*
 star_etc_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     StarEtc* _res = NULL;
     int _mark = p->mark;
     { // '*' param_no_default param_maybe_default* kwds?
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> star_etc[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'*' param_no_default param_maybe_default* kwds?"));
         Token * _literal;
         arg_ty a;
         asdl_seq * b;
@@ -4496,19 +5389,25 @@
             (c = kwds_rule(p), 1)  // kwds?
         )
         {
+            D(fprintf(stderr, "%*c+ star_etc[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'*' param_no_default param_maybe_default* kwds?"));
             _res = _PyPegen_star_etc ( p , a , b , c );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s star_etc[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'*' param_no_default param_maybe_default* kwds?"));
     }
     { // '*' ',' param_maybe_default+ kwds?
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> star_etc[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'*' ',' param_maybe_default+ kwds?"));
         Token * _literal;
         Token * _literal_1;
         asdl_seq * b;
@@ -4523,49 +5422,65 @@
             (c = kwds_rule(p), 1)  // kwds?
         )
         {
+            D(fprintf(stderr, "%*c+ star_etc[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'*' ',' param_maybe_default+ kwds?"));
             _res = _PyPegen_star_etc ( p , NULL , b , c );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s star_etc[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'*' ',' param_maybe_default+ kwds?"));
     }
     { // kwds
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> star_etc[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "kwds"));
         arg_ty a;
         if (
             (a = kwds_rule(p))  // kwds
         )
         {
+            D(fprintf(stderr, "%*c+ star_etc[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "kwds"));
             _res = _PyPegen_star_etc ( p , NULL , NULL , a );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s star_etc[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "kwds"));
     }
     { // invalid_star_etc
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> star_etc[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "invalid_star_etc"));
         void *invalid_star_etc_var;
         if (
             (invalid_star_etc_var = invalid_star_etc_rule(p))  // invalid_star_etc
         )
         {
+            D(fprintf(stderr, "%*c+ star_etc[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "invalid_star_etc"));
             _res = invalid_star_etc_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s star_etc[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "invalid_star_etc"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -4573,15 +5488,19 @@
 static arg_ty
 kwds_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     arg_ty _res = NULL;
     int _mark = p->mark;
     { // '**' param_no_default
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> kwds[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'**' param_no_default"));
         Token * _literal;
         arg_ty a;
         if (
@@ -4590,17 +5509,22 @@
             (a = param_no_default_rule(p))  // param_no_default
         )
         {
+            D(fprintf(stderr, "%*c+ kwds[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'**' param_no_default"));
             _res = a;
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s kwds[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'**' param_no_default"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -4608,15 +5532,19 @@
 static arg_ty
 param_no_default_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     arg_ty _res = NULL;
     int _mark = p->mark;
     { // param ',' TYPE_COMMENT?
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> param_no_default[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "param ',' TYPE_COMMENT?"));
         Token * _literal;
         arg_ty a;
         void *tc;
@@ -4628,19 +5556,25 @@
             (tc = _PyPegen_expect_token(p, TYPE_COMMENT), 1)  // TYPE_COMMENT?
         )
         {
+            D(fprintf(stderr, "%*c+ param_no_default[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "param ',' TYPE_COMMENT?"));
             _res = _PyPegen_add_type_comment_to_arg ( p , a , tc );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s param_no_default[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "param ',' TYPE_COMMENT?"));
     }
     { // param TYPE_COMMENT? &')'
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> param_no_default[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "param TYPE_COMMENT? &')'"));
         arg_ty a;
         void *tc;
         if (
@@ -4651,17 +5585,22 @@
             _PyPegen_lookahead_with_int(1, _PyPegen_expect_token, p, 8)  // token=')'
         )
         {
+            D(fprintf(stderr, "%*c+ param_no_default[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "param TYPE_COMMENT? &')'"));
             _res = _PyPegen_add_type_comment_to_arg ( p , a , tc );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s param_no_default[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "param TYPE_COMMENT? &')'"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -4669,15 +5608,19 @@
 static NameDefaultPair*
 param_with_default_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     NameDefaultPair* _res = NULL;
     int _mark = p->mark;
     { // param default ',' TYPE_COMMENT?
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> param_with_default[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "param default ',' TYPE_COMMENT?"));
         Token * _literal;
         arg_ty a;
         expr_ty c;
@@ -4692,19 +5635,25 @@
             (tc = _PyPegen_expect_token(p, TYPE_COMMENT), 1)  // TYPE_COMMENT?
         )
         {
+            D(fprintf(stderr, "%*c+ param_with_default[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "param default ',' TYPE_COMMENT?"));
             _res = _PyPegen_name_default_pair ( p , a , c , tc );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s param_with_default[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "param default ',' TYPE_COMMENT?"));
     }
     { // param default TYPE_COMMENT? &')'
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> param_with_default[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "param default TYPE_COMMENT? &')'"));
         arg_ty a;
         expr_ty c;
         void *tc;
@@ -4718,17 +5667,22 @@
             _PyPegen_lookahead_with_int(1, _PyPegen_expect_token, p, 8)  // token=')'
         )
         {
+            D(fprintf(stderr, "%*c+ param_with_default[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "param default TYPE_COMMENT? &')'"));
             _res = _PyPegen_name_default_pair ( p , a , c , tc );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s param_with_default[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "param default TYPE_COMMENT? &')'"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -4738,15 +5692,19 @@
 static NameDefaultPair*
 param_maybe_default_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     NameDefaultPair* _res = NULL;
     int _mark = p->mark;
     { // param default? ',' TYPE_COMMENT?
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> param_maybe_default[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "param default? ',' TYPE_COMMENT?"));
         Token * _literal;
         arg_ty a;
         void *c;
@@ -4761,19 +5719,25 @@
             (tc = _PyPegen_expect_token(p, TYPE_COMMENT), 1)  // TYPE_COMMENT?
         )
         {
+            D(fprintf(stderr, "%*c+ param_maybe_default[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "param default? ',' TYPE_COMMENT?"));
             _res = _PyPegen_name_default_pair ( p , a , c , tc );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s param_maybe_default[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "param default? ',' TYPE_COMMENT?"));
     }
     { // param default? TYPE_COMMENT? &')'
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> param_maybe_default[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "param default? TYPE_COMMENT? &')'"));
         arg_ty a;
         void *c;
         void *tc;
@@ -4787,17 +5751,22 @@
             _PyPegen_lookahead_with_int(1, _PyPegen_expect_token, p, 8)  // token=')'
         )
         {
+            D(fprintf(stderr, "%*c+ param_maybe_default[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "param default? TYPE_COMMENT? &')'"));
             _res = _PyPegen_name_default_pair ( p , a , c , tc );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s param_maybe_default[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "param default? TYPE_COMMENT? &')'"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -4805,13 +5774,16 @@
 static arg_ty
 param_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     arg_ty _res = NULL;
     int _mark = p->mark;
     if (p->mark == p->fill && _PyPegen_fill_token(p) < 0) {
         p->error_indicator = 1;
+        D(p->level--);
         return NULL;
     }
     int _start_lineno = p->tokens[_mark]->lineno;
@@ -4820,8 +5792,10 @@
     UNUSED(_start_col_offset); // Only used by EXTRA macro
     { // NAME annotation?
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> param[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "NAME annotation?"));
         expr_ty a;
         void *b;
         if (
@@ -4830,8 +5804,10 @@
             (b = annotation_rule(p), 1)  // annotation?
         )
         {
+            D(fprintf(stderr, "%*c+ param[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "NAME annotation?"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -4841,14 +5817,18 @@
             _res = _Py_arg ( a -> v . Name . id , b , NULL , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s param[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "NAME annotation?"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -4856,15 +5836,19 @@
 static expr_ty
 annotation_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     expr_ty _res = NULL;
     int _mark = p->mark;
     { // ':' expression
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> annotation[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "':' expression"));
         Token * _literal;
         expr_ty a;
         if (
@@ -4873,17 +5857,22 @@
             (a = expression_rule(p))  // expression
         )
         {
+            D(fprintf(stderr, "%*c+ annotation[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "':' expression"));
             _res = a;
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s annotation[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "':' expression"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -4891,15 +5880,19 @@
 static expr_ty
 default_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     expr_ty _res = NULL;
     int _mark = p->mark;
     { // '=' expression
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> default[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'=' expression"));
         Token * _literal;
         expr_ty a;
         if (
@@ -4908,17 +5901,22 @@
             (a = expression_rule(p))  // expression
         )
         {
+            D(fprintf(stderr, "%*c+ default[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'=' expression"));
             _res = a;
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s default[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'=' expression"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -4926,31 +5924,40 @@
 static asdl_seq*
 decorators_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     asdl_seq* _res = NULL;
     int _mark = p->mark;
     { // (('@' named_expression NEWLINE))+
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> decorators[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "(('@' named_expression NEWLINE))+"));
         asdl_seq * a;
         if (
             (a = _loop1_67_rule(p))  // (('@' named_expression NEWLINE))+
         )
         {
+            D(fprintf(stderr, "%*c+ decorators[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "(('@' named_expression NEWLINE))+"));
             _res = a;
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s decorators[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "(('@' named_expression NEWLINE))+"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -4958,15 +5965,19 @@
 static stmt_ty
 class_def_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     stmt_ty _res = NULL;
     int _mark = p->mark;
     { // decorators class_def_raw
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> class_def[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "decorators class_def_raw"));
         asdl_seq* a;
         stmt_ty b;
         if (
@@ -4975,31 +5986,41 @@
             (b = class_def_raw_rule(p))  // class_def_raw
         )
         {
+            D(fprintf(stderr, "%*c+ class_def[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "decorators class_def_raw"));
             _res = _PyPegen_class_def_decorators ( p , a , b );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s class_def[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "decorators class_def_raw"));
     }
     { // class_def_raw
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> class_def[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "class_def_raw"));
         stmt_ty class_def_raw_var;
         if (
             (class_def_raw_var = class_def_raw_rule(p))  // class_def_raw
         )
         {
+            D(fprintf(stderr, "%*c+ class_def[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "class_def_raw"));
             _res = class_def_raw_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s class_def[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "class_def_raw"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -5007,13 +6028,16 @@
 static stmt_ty
 class_def_raw_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     stmt_ty _res = NULL;
     int _mark = p->mark;
     if (p->mark == p->fill && _PyPegen_fill_token(p) < 0) {
         p->error_indicator = 1;
+        D(p->level--);
         return NULL;
     }
     int _start_lineno = p->tokens[_mark]->lineno;
@@ -5022,8 +6046,10 @@
     UNUSED(_start_col_offset); // Only used by EXTRA macro
     { // 'class' NAME ['(' arguments? ')'] ':' block
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> class_def_raw[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'class' NAME ['(' arguments? ')'] ':' block"));
         Token * _keyword;
         Token * _literal;
         expr_ty a;
@@ -5041,8 +6067,10 @@
             (c = block_rule(p))  // block
         )
         {
+            D(fprintf(stderr, "%*c+ class_def_raw[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'class' NAME ['(' arguments? ')'] ':' block"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -5052,14 +6080,18 @@
             _res = _Py_ClassDef ( a -> v . Name . id , ( b ) ? ( ( expr_ty ) b ) -> v . Call . args : NULL , ( b ) ? ( ( expr_ty ) b ) -> v . Call . keywords : NULL , c , NULL , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s class_def_raw[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'class' NAME ['(' arguments? ')'] ':' block"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -5067,17 +6099,23 @@
 static asdl_seq*
 block_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     asdl_seq* _res = NULL;
-    if (_PyPegen_is_memoized(p, block_type, &_res))
+    if (_PyPegen_is_memoized(p, block_type, &_res)) {
+        D(p->level--);
         return _res;
+    }
     int _mark = p->mark;
     { // NEWLINE INDENT statements DEDENT
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> block[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "NEWLINE INDENT statements DEDENT"));
         asdl_seq* a;
         Token * dedent_var;
         Token * indent_var;
@@ -5092,46 +6130,61 @@
             (dedent_var = _PyPegen_expect_token(p, DEDENT))  // token='DEDENT'
         )
         {
+            D(fprintf(stderr, "%*c+ block[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "NEWLINE INDENT statements DEDENT"));
             _res = a;
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s block[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "NEWLINE INDENT statements DEDENT"));
     }
     { // simple_stmt
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> block[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "simple_stmt"));
         asdl_seq* simple_stmt_var;
         if (
             (simple_stmt_var = simple_stmt_rule(p))  // simple_stmt
         )
         {
+            D(fprintf(stderr, "%*c+ block[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "simple_stmt"));
             _res = simple_stmt_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s block[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "simple_stmt"));
     }
     { // invalid_block
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> block[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "invalid_block"));
         void *invalid_block_var;
         if (
             (invalid_block_var = invalid_block_rule(p))  // invalid_block
         )
         {
+            D(fprintf(stderr, "%*c+ block[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "invalid_block"));
             _res = invalid_block_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s block[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "invalid_block"));
     }
     _res = NULL;
   done:
     _PyPegen_insert_memo(p, _mark, block_type, _res);
+    D(p->level--);
     return _res;
 }
 
@@ -5139,15 +6192,19 @@
 static asdl_seq*
 expressions_list_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     asdl_seq* _res = NULL;
     int _mark = p->mark;
     { // ','.star_expression+ ','?
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> expressions_list[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "','.star_expression+ ','?"));
         void *_opt_var;
         UNUSED(_opt_var); // Silence compiler warnings
         asdl_seq * a;
@@ -5157,17 +6214,22 @@
             (_opt_var = _PyPegen_expect_token(p, 12), 1)  // ','?
         )
         {
+            D(fprintf(stderr, "%*c+ expressions_list[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "','.star_expression+ ','?"));
             _res = a;
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s expressions_list[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "','.star_expression+ ','?"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -5178,13 +6240,16 @@
 static expr_ty
 star_expressions_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     expr_ty _res = NULL;
     int _mark = p->mark;
     if (p->mark == p->fill && _PyPegen_fill_token(p) < 0) {
         p->error_indicator = 1;
+        D(p->level--);
         return NULL;
     }
     int _start_lineno = p->tokens[_mark]->lineno;
@@ -5193,8 +6258,10 @@
     UNUSED(_start_col_offset); // Only used by EXTRA macro
     { // star_expression ((',' star_expression))+ ','?
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> star_expressions[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "star_expression ((',' star_expression))+ ','?"));
         void *_opt_var;
         UNUSED(_opt_var); // Silence compiler warnings
         expr_ty a;
@@ -5207,8 +6274,10 @@
             (_opt_var = _PyPegen_expect_token(p, 12), 1)  // ','?
         )
         {
+            D(fprintf(stderr, "%*c+ star_expressions[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "star_expression ((',' star_expression))+ ','?"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -5218,16 +6287,21 @@
             _res = _Py_Tuple ( CHECK ( _PyPegen_seq_insert_in_front ( p , a , b ) ) , Load , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s star_expressions[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "star_expression ((',' star_expression))+ ','?"));
     }
     { // star_expression ','
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> star_expressions[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "star_expression ','"));
         Token * _literal;
         expr_ty a;
         if (
@@ -5236,8 +6310,10 @@
             (_literal = _PyPegen_expect_token(p, 12))  // token=','
         )
         {
+            D(fprintf(stderr, "%*c+ star_expressions[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "star_expression ','"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -5247,28 +6323,37 @@
             _res = _Py_Tuple ( CHECK ( _PyPegen_singleton_seq ( p , a ) ) , Load , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s star_expressions[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "star_expression ','"));
     }
     { // star_expression
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> star_expressions[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "star_expression"));
         expr_ty star_expression_var;
         if (
             (star_expression_var = star_expression_rule(p))  // star_expression
         )
         {
+            D(fprintf(stderr, "%*c+ star_expressions[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "star_expression"));
             _res = star_expression_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s star_expressions[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "star_expression"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -5276,15 +6361,20 @@
 static expr_ty
 star_expression_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     expr_ty _res = NULL;
-    if (_PyPegen_is_memoized(p, star_expression_type, &_res))
+    if (_PyPegen_is_memoized(p, star_expression_type, &_res)) {
+        D(p->level--);
         return _res;
+    }
     int _mark = p->mark;
     if (p->mark == p->fill && _PyPegen_fill_token(p) < 0) {
         p->error_indicator = 1;
+        D(p->level--);
         return NULL;
     }
     int _start_lineno = p->tokens[_mark]->lineno;
@@ -5293,8 +6383,10 @@
     UNUSED(_start_col_offset); // Only used by EXTRA macro
     { // '*' bitwise_or
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> star_expression[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'*' bitwise_or"));
         Token * _literal;
         expr_ty a;
         if (
@@ -5303,8 +6395,10 @@
             (a = bitwise_or_rule(p))  // bitwise_or
         )
         {
+            D(fprintf(stderr, "%*c+ star_expression[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'*' bitwise_or"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -5314,29 +6408,38 @@
             _res = _Py_Starred ( a , Load , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s star_expression[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'*' bitwise_or"));
     }
     { // expression
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> star_expression[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "expression"));
         expr_ty expression_var;
         if (
             (expression_var = expression_rule(p))  // expression
         )
         {
+            D(fprintf(stderr, "%*c+ star_expression[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "expression"));
             _res = expression_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s star_expression[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "expression"));
     }
     _res = NULL;
   done:
     _PyPegen_insert_memo(p, _mark, star_expression_type, _res);
+    D(p->level--);
     return _res;
 }
 
@@ -5344,15 +6447,19 @@
 static asdl_seq*
 star_named_expressions_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     asdl_seq* _res = NULL;
     int _mark = p->mark;
     { // ','.star_named_expression+ ','?
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> star_named_expressions[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "','.star_named_expression+ ','?"));
         void *_opt_var;
         UNUSED(_opt_var); // Silence compiler warnings
         asdl_seq * a;
@@ -5362,17 +6469,22 @@
             (_opt_var = _PyPegen_expect_token(p, 12), 1)  // ','?
         )
         {
+            D(fprintf(stderr, "%*c+ star_named_expressions[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "','.star_named_expression+ ','?"));
             _res = a;
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s star_named_expressions[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "','.star_named_expression+ ','?"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -5380,13 +6492,16 @@
 static expr_ty
 star_named_expression_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     expr_ty _res = NULL;
     int _mark = p->mark;
     if (p->mark == p->fill && _PyPegen_fill_token(p) < 0) {
         p->error_indicator = 1;
+        D(p->level--);
         return NULL;
     }
     int _start_lineno = p->tokens[_mark]->lineno;
@@ -5395,8 +6510,10 @@
     UNUSED(_start_col_offset); // Only used by EXTRA macro
     { // '*' bitwise_or
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> star_named_expression[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'*' bitwise_or"));
         Token * _literal;
         expr_ty a;
         if (
@@ -5405,8 +6522,10 @@
             (a = bitwise_or_rule(p))  // bitwise_or
         )
         {
+            D(fprintf(stderr, "%*c+ star_named_expression[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'*' bitwise_or"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -5416,28 +6535,37 @@
             _res = _Py_Starred ( a , Load , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s star_named_expression[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'*' bitwise_or"));
     }
     { // named_expression
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> star_named_expression[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "named_expression"));
         expr_ty named_expression_var;
         if (
             (named_expression_var = named_expression_rule(p))  // named_expression
         )
         {
+            D(fprintf(stderr, "%*c+ star_named_expression[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "named_expression"));
             _res = named_expression_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s star_named_expression[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "named_expression"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -5445,13 +6573,16 @@
 static expr_ty
 named_expression_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     expr_ty _res = NULL;
     int _mark = p->mark;
     if (p->mark == p->fill && _PyPegen_fill_token(p) < 0) {
         p->error_indicator = 1;
+        D(p->level--);
         return NULL;
     }
     int _start_lineno = p->tokens[_mark]->lineno;
@@ -5460,8 +6591,10 @@
     UNUSED(_start_col_offset); // Only used by EXTRA macro
     { // NAME ':=' expression
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> named_expression[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "NAME ':=' expression"));
         Token * _literal;
         expr_ty a;
         expr_ty b;
@@ -5473,8 +6606,10 @@
             (b = expression_rule(p))  // expression
         )
         {
+            D(fprintf(stderr, "%*c+ named_expression[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "NAME ':=' expression"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -5484,16 +6619,21 @@
             _res = _Py_NamedExpr ( CHECK ( _PyPegen_set_expr_context ( p , a , Store ) ) , b , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s named_expression[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "NAME ':=' expression"));
     }
     { // expression !':='
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> named_expression[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "expression !':='"));
         expr_ty expression_var;
         if (
             (expression_var = expression_rule(p))  // expression
@@ -5501,27 +6641,36 @@
             _PyPegen_lookahead_with_int(0, _PyPegen_expect_token, p, 53)  // token=':='
         )
         {
+            D(fprintf(stderr, "%*c+ named_expression[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "expression !':='"));
             _res = expression_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s named_expression[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "expression !':='"));
     }
     { // invalid_named_expression
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> named_expression[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "invalid_named_expression"));
         void *invalid_named_expression_var;
         if (
             (invalid_named_expression_var = invalid_named_expression_rule(p))  // invalid_named_expression
         )
         {
+            D(fprintf(stderr, "%*c+ named_expression[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "invalid_named_expression"));
             _res = invalid_named_expression_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s named_expression[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "invalid_named_expression"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -5529,41 +6678,54 @@
 static expr_ty
 annotated_rhs_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     expr_ty _res = NULL;
     int _mark = p->mark;
     { // yield_expr
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> annotated_rhs[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "yield_expr"));
         expr_ty yield_expr_var;
         if (
             (yield_expr_var = yield_expr_rule(p))  // yield_expr
         )
         {
+            D(fprintf(stderr, "%*c+ annotated_rhs[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "yield_expr"));
             _res = yield_expr_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s annotated_rhs[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "yield_expr"));
     }
     { // star_expressions
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> annotated_rhs[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "star_expressions"));
         expr_ty star_expressions_var;
         if (
             (star_expressions_var = star_expressions_rule(p))  // star_expressions
         )
         {
+            D(fprintf(stderr, "%*c+ annotated_rhs[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "star_expressions"));
             _res = star_expressions_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s annotated_rhs[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "star_expressions"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -5571,13 +6733,16 @@
 static expr_ty
 expressions_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     expr_ty _res = NULL;
     int _mark = p->mark;
     if (p->mark == p->fill && _PyPegen_fill_token(p) < 0) {
         p->error_indicator = 1;
+        D(p->level--);
         return NULL;
     }
     int _start_lineno = p->tokens[_mark]->lineno;
@@ -5586,8 +6751,10 @@
     UNUSED(_start_col_offset); // Only used by EXTRA macro
     { // expression ((',' expression))+ ','?
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> expressions[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "expression ((',' expression))+ ','?"));
         void *_opt_var;
         UNUSED(_opt_var); // Silence compiler warnings
         expr_ty a;
@@ -5600,8 +6767,10 @@
             (_opt_var = _PyPegen_expect_token(p, 12), 1)  // ','?
         )
         {
+            D(fprintf(stderr, "%*c+ expressions[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "expression ((',' expression))+ ','?"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -5611,16 +6780,21 @@
             _res = _Py_Tuple ( CHECK ( _PyPegen_seq_insert_in_front ( p , a , b ) ) , Load , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s expressions[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "expression ((',' expression))+ ','?"));
     }
     { // expression ','
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> expressions[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "expression ','"));
         Token * _literal;
         expr_ty a;
         if (
@@ -5629,8 +6803,10 @@
             (_literal = _PyPegen_expect_token(p, 12))  // token=','
         )
         {
+            D(fprintf(stderr, "%*c+ expressions[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "expression ','"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -5640,28 +6816,37 @@
             _res = _Py_Tuple ( CHECK ( _PyPegen_singleton_seq ( p , a ) ) , Load , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s expressions[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "expression ','"));
     }
     { // expression
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> expressions[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "expression"));
         expr_ty expression_var;
         if (
             (expression_var = expression_rule(p))  // expression
         )
         {
+            D(fprintf(stderr, "%*c+ expressions[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "expression"));
             _res = expression_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s expressions[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "expression"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -5669,15 +6854,20 @@
 static expr_ty
 expression_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     expr_ty _res = NULL;
-    if (_PyPegen_is_memoized(p, expression_type, &_res))
+    if (_PyPegen_is_memoized(p, expression_type, &_res)) {
+        D(p->level--);
         return _res;
+    }
     int _mark = p->mark;
     if (p->mark == p->fill && _PyPegen_fill_token(p) < 0) {
         p->error_indicator = 1;
+        D(p->level--);
         return NULL;
     }
     int _start_lineno = p->tokens[_mark]->lineno;
@@ -5686,8 +6876,10 @@
     UNUSED(_start_col_offset); // Only used by EXTRA macro
     { // disjunction 'if' disjunction 'else' expression
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> expression[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "disjunction 'if' disjunction 'else' expression"));
         Token * _keyword;
         Token * _keyword_1;
         expr_ty a;
@@ -5705,8 +6897,10 @@
             (c = expression_rule(p))  // expression
         )
         {
+            D(fprintf(stderr, "%*c+ expression[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "disjunction 'if' disjunction 'else' expression"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -5716,43 +6910,57 @@
             _res = _Py_IfExp ( b , a , c , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s expression[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "disjunction 'if' disjunction 'else' expression"));
     }
     { // disjunction
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> expression[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "disjunction"));
         expr_ty disjunction_var;
         if (
             (disjunction_var = disjunction_rule(p))  // disjunction
         )
         {
+            D(fprintf(stderr, "%*c+ expression[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "disjunction"));
             _res = disjunction_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s expression[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "disjunction"));
     }
     { // lambdef
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> expression[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "lambdef"));
         expr_ty lambdef_var;
         if (
             (lambdef_var = lambdef_rule(p))  // lambdef
         )
         {
+            D(fprintf(stderr, "%*c+ expression[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "lambdef"));
             _res = lambdef_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s expression[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "lambdef"));
     }
     _res = NULL;
   done:
     _PyPegen_insert_memo(p, _mark, expression_type, _res);
+    D(p->level--);
     return _res;
 }
 
@@ -5760,13 +6968,16 @@
 static expr_ty
 lambdef_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     expr_ty _res = NULL;
     int _mark = p->mark;
     if (p->mark == p->fill && _PyPegen_fill_token(p) < 0) {
         p->error_indicator = 1;
+        D(p->level--);
         return NULL;
     }
     int _start_lineno = p->tokens[_mark]->lineno;
@@ -5775,8 +6986,10 @@
     UNUSED(_start_col_offset); // Only used by EXTRA macro
     { // 'lambda' lambda_parameters? ':' expression
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> lambdef[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'lambda' lambda_parameters? ':' expression"));
         Token * _keyword;
         Token * _literal;
         void *a;
@@ -5791,8 +7004,10 @@
             (b = expression_rule(p))  // expression
         )
         {
+            D(fprintf(stderr, "%*c+ lambdef[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'lambda' lambda_parameters? ':' expression"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -5802,14 +7017,18 @@
             _res = _Py_Lambda ( ( a ) ? a : CHECK ( _PyPegen_empty_arguments ( p ) ) , b , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s lambdef[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'lambda' lambda_parameters? ':' expression"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -5822,15 +7041,19 @@
 static arguments_ty
 lambda_parameters_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     arguments_ty _res = NULL;
     int _mark = p->mark;
     { // lambda_slash_no_default lambda_param_no_default* lambda_param_with_default* lambda_star_etc?
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> lambda_parameters[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "lambda_slash_no_default lambda_param_no_default* lambda_param_with_default* lambda_star_etc?"));
         asdl_seq* a;
         asdl_seq * b;
         asdl_seq * c;
@@ -5845,19 +7068,25 @@
             (d = lambda_star_etc_rule(p), 1)  // lambda_star_etc?
         )
         {
+            D(fprintf(stderr, "%*c+ lambda_parameters[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "lambda_slash_no_default lambda_param_no_default* lambda_param_with_default* lambda_star_etc?"));
             _res = _PyPegen_make_arguments ( p , a , NULL , b , c , d );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s lambda_parameters[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "lambda_slash_no_default lambda_param_no_default* lambda_param_with_default* lambda_star_etc?"));
     }
     { // lambda_slash_with_default lambda_param_with_default* lambda_star_etc?
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> lambda_parameters[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "lambda_slash_with_default lambda_param_with_default* lambda_star_etc?"));
         SlashWithDefault* a;
         asdl_seq * b;
         void *c;
@@ -5869,19 +7098,25 @@
             (c = lambda_star_etc_rule(p), 1)  // lambda_star_etc?
         )
         {
+            D(fprintf(stderr, "%*c+ lambda_parameters[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "lambda_slash_with_default lambda_param_with_default* lambda_star_etc?"));
             _res = _PyPegen_make_arguments ( p , NULL , a , NULL , b , c );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s lambda_parameters[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "lambda_slash_with_default lambda_param_with_default* lambda_star_etc?"));
     }
     { // lambda_param_no_default+ lambda_param_with_default* lambda_star_etc?
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> lambda_parameters[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "lambda_param_no_default+ lambda_param_with_default* lambda_star_etc?"));
         asdl_seq * a;
         asdl_seq * b;
         void *c;
@@ -5893,19 +7128,25 @@
             (c = lambda_star_etc_rule(p), 1)  // lambda_star_etc?
         )
         {
+            D(fprintf(stderr, "%*c+ lambda_parameters[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "lambda_param_no_default+ lambda_param_with_default* lambda_star_etc?"));
             _res = _PyPegen_make_arguments ( p , NULL , NULL , a , b , c );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s lambda_parameters[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "lambda_param_no_default+ lambda_param_with_default* lambda_star_etc?"));
     }
     { // lambda_param_with_default+ lambda_star_etc?
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> lambda_parameters[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "lambda_param_with_default+ lambda_star_etc?"));
         asdl_seq * a;
         void *b;
         if (
@@ -5914,35 +7155,46 @@
             (b = lambda_star_etc_rule(p), 1)  // lambda_star_etc?
         )
         {
+            D(fprintf(stderr, "%*c+ lambda_parameters[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "lambda_param_with_default+ lambda_star_etc?"));
             _res = _PyPegen_make_arguments ( p , NULL , NULL , NULL , a , b );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s lambda_parameters[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "lambda_param_with_default+ lambda_star_etc?"));
     }
     { // lambda_star_etc
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> lambda_parameters[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "lambda_star_etc"));
         StarEtc* a;
         if (
             (a = lambda_star_etc_rule(p))  // lambda_star_etc
         )
         {
+            D(fprintf(stderr, "%*c+ lambda_parameters[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "lambda_star_etc"));
             _res = _PyPegen_make_arguments ( p , NULL , NULL , NULL , NULL , a );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s lambda_parameters[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "lambda_star_etc"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -5952,15 +7204,19 @@
 static asdl_seq*
 lambda_slash_no_default_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     asdl_seq* _res = NULL;
     int _mark = p->mark;
     { // lambda_param_no_default+ '/' ','
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> lambda_slash_no_default[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "lambda_param_no_default+ '/' ','"));
         Token * _literal;
         Token * _literal_1;
         asdl_seq * a;
@@ -5972,19 +7228,25 @@
             (_literal_1 = _PyPegen_expect_token(p, 12))  // token=','
         )
         {
+            D(fprintf(stderr, "%*c+ lambda_slash_no_default[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "lambda_param_no_default+ '/' ','"));
             _res = a;
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s lambda_slash_no_default[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "lambda_param_no_default+ '/' ','"));
     }
     { // lambda_param_no_default+ '/' &':'
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> lambda_slash_no_default[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "lambda_param_no_default+ '/' &':'"));
         Token * _literal;
         asdl_seq * a;
         if (
@@ -5995,17 +7257,22 @@
             _PyPegen_lookahead_with_int(1, _PyPegen_expect_token, p, 11)  // token=':'
         )
         {
+            D(fprintf(stderr, "%*c+ lambda_slash_no_default[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "lambda_param_no_default+ '/' &':'"));
             _res = a;
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s lambda_slash_no_default[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "lambda_param_no_default+ '/' &':'"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -6015,15 +7282,19 @@
 static SlashWithDefault*
 lambda_slash_with_default_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     SlashWithDefault* _res = NULL;
     int _mark = p->mark;
     { // lambda_param_no_default* lambda_param_with_default+ '/' ','
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> lambda_slash_with_default[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "lambda_param_no_default* lambda_param_with_default+ '/' ','"));
         Token * _literal;
         Token * _literal_1;
         asdl_seq * a;
@@ -6038,19 +7309,25 @@
             (_literal_1 = _PyPegen_expect_token(p, 12))  // token=','
         )
         {
+            D(fprintf(stderr, "%*c+ lambda_slash_with_default[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "lambda_param_no_default* lambda_param_with_default+ '/' ','"));
             _res = _PyPegen_slash_with_default ( p , a , b );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s lambda_slash_with_default[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "lambda_param_no_default* lambda_param_with_default+ '/' ','"));
     }
     { // lambda_param_no_default* lambda_param_with_default+ '/' &':'
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> lambda_slash_with_default[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "lambda_param_no_default* lambda_param_with_default+ '/' &':'"));
         Token * _literal;
         asdl_seq * a;
         asdl_seq * b;
@@ -6064,17 +7341,22 @@
             _PyPegen_lookahead_with_int(1, _PyPegen_expect_token, p, 11)  // token=':'
         )
         {
+            D(fprintf(stderr, "%*c+ lambda_slash_with_default[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "lambda_param_no_default* lambda_param_with_default+ '/' &':'"));
             _res = _PyPegen_slash_with_default ( p , a , b );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s lambda_slash_with_default[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "lambda_param_no_default* lambda_param_with_default+ '/' &':'"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -6086,15 +7368,19 @@
 static StarEtc*
 lambda_star_etc_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     StarEtc* _res = NULL;
     int _mark = p->mark;
     { // '*' lambda_param_no_default lambda_param_maybe_default* lambda_kwds?
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> lambda_star_etc[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'*' lambda_param_no_default lambda_param_maybe_default* lambda_kwds?"));
         Token * _literal;
         arg_ty a;
         asdl_seq * b;
@@ -6109,19 +7395,25 @@
             (c = lambda_kwds_rule(p), 1)  // lambda_kwds?
         )
         {
+            D(fprintf(stderr, "%*c+ lambda_star_etc[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'*' lambda_param_no_default lambda_param_maybe_default* lambda_kwds?"));
             _res = _PyPegen_star_etc ( p , a , b , c );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s lambda_star_etc[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'*' lambda_param_no_default lambda_param_maybe_default* lambda_kwds?"));
     }
     { // '*' ',' lambda_param_maybe_default+ lambda_kwds?
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> lambda_star_etc[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'*' ',' lambda_param_maybe_default+ lambda_kwds?"));
         Token * _literal;
         Token * _literal_1;
         asdl_seq * b;
@@ -6136,49 +7428,65 @@
             (c = lambda_kwds_rule(p), 1)  // lambda_kwds?
         )
         {
+            D(fprintf(stderr, "%*c+ lambda_star_etc[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'*' ',' lambda_param_maybe_default+ lambda_kwds?"));
             _res = _PyPegen_star_etc ( p , NULL , b , c );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s lambda_star_etc[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'*' ',' lambda_param_maybe_default+ lambda_kwds?"));
     }
     { // lambda_kwds
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> lambda_star_etc[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "lambda_kwds"));
         arg_ty a;
         if (
             (a = lambda_kwds_rule(p))  // lambda_kwds
         )
         {
+            D(fprintf(stderr, "%*c+ lambda_star_etc[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "lambda_kwds"));
             _res = _PyPegen_star_etc ( p , NULL , NULL , a );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s lambda_star_etc[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "lambda_kwds"));
     }
     { // invalid_lambda_star_etc
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> lambda_star_etc[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "invalid_lambda_star_etc"));
         void *invalid_lambda_star_etc_var;
         if (
             (invalid_lambda_star_etc_var = invalid_lambda_star_etc_rule(p))  // invalid_lambda_star_etc
         )
         {
+            D(fprintf(stderr, "%*c+ lambda_star_etc[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "invalid_lambda_star_etc"));
             _res = invalid_lambda_star_etc_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s lambda_star_etc[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "invalid_lambda_star_etc"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -6186,15 +7494,19 @@
 static arg_ty
 lambda_kwds_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     arg_ty _res = NULL;
     int _mark = p->mark;
     { // '**' lambda_param_no_default
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> lambda_kwds[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'**' lambda_param_no_default"));
         Token * _literal;
         arg_ty a;
         if (
@@ -6203,17 +7515,22 @@
             (a = lambda_param_no_default_rule(p))  // lambda_param_no_default
         )
         {
+            D(fprintf(stderr, "%*c+ lambda_kwds[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'**' lambda_param_no_default"));
             _res = a;
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s lambda_kwds[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'**' lambda_param_no_default"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -6221,15 +7538,19 @@
 static arg_ty
 lambda_param_no_default_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     arg_ty _res = NULL;
     int _mark = p->mark;
     { // lambda_param ','
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> lambda_param_no_default[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "lambda_param ','"));
         Token * _literal;
         arg_ty a;
         if (
@@ -6238,19 +7559,25 @@
             (_literal = _PyPegen_expect_token(p, 12))  // token=','
         )
         {
+            D(fprintf(stderr, "%*c+ lambda_param_no_default[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "lambda_param ','"));
             _res = a;
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s lambda_param_no_default[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "lambda_param ','"));
     }
     { // lambda_param &':'
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> lambda_param_no_default[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "lambda_param &':'"));
         arg_ty a;
         if (
             (a = lambda_param_rule(p))  // lambda_param
@@ -6258,17 +7585,22 @@
             _PyPegen_lookahead_with_int(1, _PyPegen_expect_token, p, 11)  // token=':'
         )
         {
+            D(fprintf(stderr, "%*c+ lambda_param_no_default[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "lambda_param &':'"));
             _res = a;
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s lambda_param_no_default[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "lambda_param &':'"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -6276,15 +7608,19 @@
 static NameDefaultPair*
 lambda_param_with_default_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     NameDefaultPair* _res = NULL;
     int _mark = p->mark;
     { // lambda_param default ','
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> lambda_param_with_default[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "lambda_param default ','"));
         Token * _literal;
         arg_ty a;
         expr_ty c;
@@ -6296,19 +7632,25 @@
             (_literal = _PyPegen_expect_token(p, 12))  // token=','
         )
         {
+            D(fprintf(stderr, "%*c+ lambda_param_with_default[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "lambda_param default ','"));
             _res = _PyPegen_name_default_pair ( p , a , c , NULL );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s lambda_param_with_default[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "lambda_param default ','"));
     }
     { // lambda_param default &':'
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> lambda_param_with_default[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "lambda_param default &':'"));
         arg_ty a;
         expr_ty c;
         if (
@@ -6319,17 +7661,22 @@
             _PyPegen_lookahead_with_int(1, _PyPegen_expect_token, p, 11)  // token=':'
         )
         {
+            D(fprintf(stderr, "%*c+ lambda_param_with_default[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "lambda_param default &':'"));
             _res = _PyPegen_name_default_pair ( p , a , c , NULL );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s lambda_param_with_default[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "lambda_param default &':'"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -6337,15 +7684,19 @@
 static NameDefaultPair*
 lambda_param_maybe_default_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     NameDefaultPair* _res = NULL;
     int _mark = p->mark;
     { // lambda_param default? ','
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> lambda_param_maybe_default[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "lambda_param default? ','"));
         Token * _literal;
         arg_ty a;
         void *c;
@@ -6357,19 +7708,25 @@
             (_literal = _PyPegen_expect_token(p, 12))  // token=','
         )
         {
+            D(fprintf(stderr, "%*c+ lambda_param_maybe_default[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "lambda_param default? ','"));
             _res = _PyPegen_name_default_pair ( p , a , c , NULL );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s lambda_param_maybe_default[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "lambda_param default? ','"));
     }
     { // lambda_param default? &':'
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> lambda_param_maybe_default[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "lambda_param default? &':'"));
         arg_ty a;
         void *c;
         if (
@@ -6380,17 +7737,22 @@
             _PyPegen_lookahead_with_int(1, _PyPegen_expect_token, p, 11)  // token=':'
         )
         {
+            D(fprintf(stderr, "%*c+ lambda_param_maybe_default[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "lambda_param default? &':'"));
             _res = _PyPegen_name_default_pair ( p , a , c , NULL );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s lambda_param_maybe_default[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "lambda_param default? &':'"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -6398,13 +7760,16 @@
 static arg_ty
 lambda_param_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     arg_ty _res = NULL;
     int _mark = p->mark;
     if (p->mark == p->fill && _PyPegen_fill_token(p) < 0) {
         p->error_indicator = 1;
+        D(p->level--);
         return NULL;
     }
     int _start_lineno = p->tokens[_mark]->lineno;
@@ -6413,15 +7778,19 @@
     UNUSED(_start_col_offset); // Only used by EXTRA macro
     { // NAME
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> lambda_param[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "NAME"));
         expr_ty a;
         if (
             (a = _PyPegen_name_token(p))  // NAME
         )
         {
+            D(fprintf(stderr, "%*c+ lambda_param[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "NAME"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -6431,14 +7800,18 @@
             _res = _Py_arg ( a -> v . Name . id , NULL , NULL , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s lambda_param[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "NAME"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -6446,15 +7819,20 @@
 static expr_ty
 disjunction_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     expr_ty _res = NULL;
-    if (_PyPegen_is_memoized(p, disjunction_type, &_res))
+    if (_PyPegen_is_memoized(p, disjunction_type, &_res)) {
+        D(p->level--);
         return _res;
+    }
     int _mark = p->mark;
     if (p->mark == p->fill && _PyPegen_fill_token(p) < 0) {
         p->error_indicator = 1;
+        D(p->level--);
         return NULL;
     }
     int _start_lineno = p->tokens[_mark]->lineno;
@@ -6463,8 +7841,10 @@
     UNUSED(_start_col_offset); // Only used by EXTRA macro
     { // conjunction (('or' conjunction))+
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> disjunction[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "conjunction (('or' conjunction))+"));
         expr_ty a;
         asdl_seq * b;
         if (
@@ -6473,8 +7853,10 @@
             (b = _loop1_89_rule(p))  // (('or' conjunction))+
         )
         {
+            D(fprintf(stderr, "%*c+ disjunction[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "conjunction (('or' conjunction))+"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -6484,29 +7866,38 @@
             _res = _Py_BoolOp ( Or , CHECK ( _PyPegen_seq_insert_in_front ( p , a , b ) ) , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s disjunction[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "conjunction (('or' conjunction))+"));
     }
     { // conjunction
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> disjunction[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "conjunction"));
         expr_ty conjunction_var;
         if (
             (conjunction_var = conjunction_rule(p))  // conjunction
         )
         {
+            D(fprintf(stderr, "%*c+ disjunction[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "conjunction"));
             _res = conjunction_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s disjunction[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "conjunction"));
     }
     _res = NULL;
   done:
     _PyPegen_insert_memo(p, _mark, disjunction_type, _res);
+    D(p->level--);
     return _res;
 }
 
@@ -6514,15 +7905,20 @@
 static expr_ty
 conjunction_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     expr_ty _res = NULL;
-    if (_PyPegen_is_memoized(p, conjunction_type, &_res))
+    if (_PyPegen_is_memoized(p, conjunction_type, &_res)) {
+        D(p->level--);
         return _res;
+    }
     int _mark = p->mark;
     if (p->mark == p->fill && _PyPegen_fill_token(p) < 0) {
         p->error_indicator = 1;
+        D(p->level--);
         return NULL;
     }
     int _start_lineno = p->tokens[_mark]->lineno;
@@ -6531,8 +7927,10 @@
     UNUSED(_start_col_offset); // Only used by EXTRA macro
     { // inversion (('and' inversion))+
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> conjunction[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "inversion (('and' inversion))+"));
         expr_ty a;
         asdl_seq * b;
         if (
@@ -6541,8 +7939,10 @@
             (b = _loop1_90_rule(p))  // (('and' inversion))+
         )
         {
+            D(fprintf(stderr, "%*c+ conjunction[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "inversion (('and' inversion))+"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -6552,29 +7952,38 @@
             _res = _Py_BoolOp ( And , CHECK ( _PyPegen_seq_insert_in_front ( p , a , b ) ) , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s conjunction[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "inversion (('and' inversion))+"));
     }
     { // inversion
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> conjunction[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "inversion"));
         expr_ty inversion_var;
         if (
             (inversion_var = inversion_rule(p))  // inversion
         )
         {
+            D(fprintf(stderr, "%*c+ conjunction[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "inversion"));
             _res = inversion_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s conjunction[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "inversion"));
     }
     _res = NULL;
   done:
     _PyPegen_insert_memo(p, _mark, conjunction_type, _res);
+    D(p->level--);
     return _res;
 }
 
@@ -6582,15 +7991,20 @@
 static expr_ty
 inversion_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     expr_ty _res = NULL;
-    if (_PyPegen_is_memoized(p, inversion_type, &_res))
+    if (_PyPegen_is_memoized(p, inversion_type, &_res)) {
+        D(p->level--);
         return _res;
+    }
     int _mark = p->mark;
     if (p->mark == p->fill && _PyPegen_fill_token(p) < 0) {
         p->error_indicator = 1;
+        D(p->level--);
         return NULL;
     }
     int _start_lineno = p->tokens[_mark]->lineno;
@@ -6599,8 +8013,10 @@
     UNUSED(_start_col_offset); // Only used by EXTRA macro
     { // 'not' inversion
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> inversion[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'not' inversion"));
         Token * _keyword;
         expr_ty a;
         if (
@@ -6609,8 +8025,10 @@
             (a = inversion_rule(p))  // inversion
         )
         {
+            D(fprintf(stderr, "%*c+ inversion[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'not' inversion"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -6620,29 +8038,38 @@
             _res = _Py_UnaryOp ( Not , a , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s inversion[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'not' inversion"));
     }
     { // comparison
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> inversion[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "comparison"));
         expr_ty comparison_var;
         if (
             (comparison_var = comparison_rule(p))  // comparison
         )
         {
+            D(fprintf(stderr, "%*c+ inversion[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "comparison"));
             _res = comparison_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s inversion[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "comparison"));
     }
     _res = NULL;
   done:
     _PyPegen_insert_memo(p, _mark, inversion_type, _res);
+    D(p->level--);
     return _res;
 }
 
@@ -6650,13 +8077,16 @@
 static expr_ty
 comparison_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     expr_ty _res = NULL;
     int _mark = p->mark;
     if (p->mark == p->fill && _PyPegen_fill_token(p) < 0) {
         p->error_indicator = 1;
+        D(p->level--);
         return NULL;
     }
     int _start_lineno = p->tokens[_mark]->lineno;
@@ -6665,8 +8095,10 @@
     UNUSED(_start_col_offset); // Only used by EXTRA macro
     { // bitwise_or compare_op_bitwise_or_pair+
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> comparison[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "bitwise_or compare_op_bitwise_or_pair+"));
         expr_ty a;
         asdl_seq * b;
         if (
@@ -6675,8 +8107,10 @@
             (b = _loop1_91_rule(p))  // compare_op_bitwise_or_pair+
         )
         {
+            D(fprintf(stderr, "%*c+ comparison[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "bitwise_or compare_op_bitwise_or_pair+"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -6686,28 +8120,37 @@
             _res = _Py_Compare ( a , CHECK ( _PyPegen_get_cmpops ( p , b ) ) , CHECK ( _PyPegen_get_exprs ( p , b ) ) , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s comparison[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "bitwise_or compare_op_bitwise_or_pair+"));
     }
     { // bitwise_or
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> comparison[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "bitwise_or"));
         expr_ty bitwise_or_var;
         if (
             (bitwise_or_var = bitwise_or_rule(p))  // bitwise_or
         )
         {
+            D(fprintf(stderr, "%*c+ comparison[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "bitwise_or"));
             _res = bitwise_or_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s comparison[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "bitwise_or"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -6725,153 +8168,206 @@
 static CmpopExprPair*
 compare_op_bitwise_or_pair_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     CmpopExprPair* _res = NULL;
     int _mark = p->mark;
     { // eq_bitwise_or
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> compare_op_bitwise_or_pair[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "eq_bitwise_or"));
         CmpopExprPair* eq_bitwise_or_var;
         if (
             (eq_bitwise_or_var = eq_bitwise_or_rule(p))  // eq_bitwise_or
         )
         {
+            D(fprintf(stderr, "%*c+ compare_op_bitwise_or_pair[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "eq_bitwise_or"));
             _res = eq_bitwise_or_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s compare_op_bitwise_or_pair[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "eq_bitwise_or"));
     }
     { // noteq_bitwise_or
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> compare_op_bitwise_or_pair[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "noteq_bitwise_or"));
         CmpopExprPair* noteq_bitwise_or_var;
         if (
             (noteq_bitwise_or_var = noteq_bitwise_or_rule(p))  // noteq_bitwise_or
         )
         {
+            D(fprintf(stderr, "%*c+ compare_op_bitwise_or_pair[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "noteq_bitwise_or"));
             _res = noteq_bitwise_or_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s compare_op_bitwise_or_pair[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "noteq_bitwise_or"));
     }
     { // lte_bitwise_or
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> compare_op_bitwise_or_pair[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "lte_bitwise_or"));
         CmpopExprPair* lte_bitwise_or_var;
         if (
             (lte_bitwise_or_var = lte_bitwise_or_rule(p))  // lte_bitwise_or
         )
         {
+            D(fprintf(stderr, "%*c+ compare_op_bitwise_or_pair[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "lte_bitwise_or"));
             _res = lte_bitwise_or_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s compare_op_bitwise_or_pair[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "lte_bitwise_or"));
     }
     { // lt_bitwise_or
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> compare_op_bitwise_or_pair[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "lt_bitwise_or"));
         CmpopExprPair* lt_bitwise_or_var;
         if (
             (lt_bitwise_or_var = lt_bitwise_or_rule(p))  // lt_bitwise_or
         )
         {
+            D(fprintf(stderr, "%*c+ compare_op_bitwise_or_pair[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "lt_bitwise_or"));
             _res = lt_bitwise_or_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s compare_op_bitwise_or_pair[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "lt_bitwise_or"));
     }
     { // gte_bitwise_or
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> compare_op_bitwise_or_pair[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "gte_bitwise_or"));
         CmpopExprPair* gte_bitwise_or_var;
         if (
             (gte_bitwise_or_var = gte_bitwise_or_rule(p))  // gte_bitwise_or
         )
         {
+            D(fprintf(stderr, "%*c+ compare_op_bitwise_or_pair[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "gte_bitwise_or"));
             _res = gte_bitwise_or_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s compare_op_bitwise_or_pair[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "gte_bitwise_or"));
     }
     { // gt_bitwise_or
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> compare_op_bitwise_or_pair[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "gt_bitwise_or"));
         CmpopExprPair* gt_bitwise_or_var;
         if (
             (gt_bitwise_or_var = gt_bitwise_or_rule(p))  // gt_bitwise_or
         )
         {
+            D(fprintf(stderr, "%*c+ compare_op_bitwise_or_pair[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "gt_bitwise_or"));
             _res = gt_bitwise_or_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s compare_op_bitwise_or_pair[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "gt_bitwise_or"));
     }
     { // notin_bitwise_or
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> compare_op_bitwise_or_pair[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "notin_bitwise_or"));
         CmpopExprPair* notin_bitwise_or_var;
         if (
             (notin_bitwise_or_var = notin_bitwise_or_rule(p))  // notin_bitwise_or
         )
         {
+            D(fprintf(stderr, "%*c+ compare_op_bitwise_or_pair[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "notin_bitwise_or"));
             _res = notin_bitwise_or_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s compare_op_bitwise_or_pair[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "notin_bitwise_or"));
     }
     { // in_bitwise_or
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> compare_op_bitwise_or_pair[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "in_bitwise_or"));
         CmpopExprPair* in_bitwise_or_var;
         if (
             (in_bitwise_or_var = in_bitwise_or_rule(p))  // in_bitwise_or
         )
         {
+            D(fprintf(stderr, "%*c+ compare_op_bitwise_or_pair[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "in_bitwise_or"));
             _res = in_bitwise_or_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s compare_op_bitwise_or_pair[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "in_bitwise_or"));
     }
     { // isnot_bitwise_or
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> compare_op_bitwise_or_pair[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "isnot_bitwise_or"));
         CmpopExprPair* isnot_bitwise_or_var;
         if (
             (isnot_bitwise_or_var = isnot_bitwise_or_rule(p))  // isnot_bitwise_or
         )
         {
+            D(fprintf(stderr, "%*c+ compare_op_bitwise_or_pair[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "isnot_bitwise_or"));
             _res = isnot_bitwise_or_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s compare_op_bitwise_or_pair[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "isnot_bitwise_or"));
     }
     { // is_bitwise_or
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> compare_op_bitwise_or_pair[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "is_bitwise_or"));
         CmpopExprPair* is_bitwise_or_var;
         if (
             (is_bitwise_or_var = is_bitwise_or_rule(p))  // is_bitwise_or
         )
         {
+            D(fprintf(stderr, "%*c+ compare_op_bitwise_or_pair[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "is_bitwise_or"));
             _res = is_bitwise_or_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s compare_op_bitwise_or_pair[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "is_bitwise_or"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -6879,15 +8375,19 @@
 static CmpopExprPair*
 eq_bitwise_or_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     CmpopExprPair* _res = NULL;
     int _mark = p->mark;
     { // '==' bitwise_or
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> eq_bitwise_or[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'==' bitwise_or"));
         Token * _literal;
         expr_ty a;
         if (
@@ -6896,17 +8396,22 @@
             (a = bitwise_or_rule(p))  // bitwise_or
         )
         {
+            D(fprintf(stderr, "%*c+ eq_bitwise_or[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'==' bitwise_or"));
             _res = _PyPegen_cmpop_expr_pair ( p , Eq , a );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s eq_bitwise_or[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'==' bitwise_or"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -6914,15 +8419,19 @@
 static CmpopExprPair*
 noteq_bitwise_or_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     CmpopExprPair* _res = NULL;
     int _mark = p->mark;
     { // ('!=') bitwise_or
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> noteq_bitwise_or[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "('!=') bitwise_or"));
         void *_tmp_92_var;
         expr_ty a;
         if (
@@ -6931,17 +8440,22 @@
             (a = bitwise_or_rule(p))  // bitwise_or
         )
         {
+            D(fprintf(stderr, "%*c+ noteq_bitwise_or[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "('!=') bitwise_or"));
             _res = _PyPegen_cmpop_expr_pair ( p , NotEq , a );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s noteq_bitwise_or[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "('!=') bitwise_or"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -6949,15 +8463,19 @@
 static CmpopExprPair*
 lte_bitwise_or_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     CmpopExprPair* _res = NULL;
     int _mark = p->mark;
     { // '<=' bitwise_or
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> lte_bitwise_or[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'<=' bitwise_or"));
         Token * _literal;
         expr_ty a;
         if (
@@ -6966,17 +8484,22 @@
             (a = bitwise_or_rule(p))  // bitwise_or
         )
         {
+            D(fprintf(stderr, "%*c+ lte_bitwise_or[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'<=' bitwise_or"));
             _res = _PyPegen_cmpop_expr_pair ( p , LtE , a );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s lte_bitwise_or[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'<=' bitwise_or"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -6984,15 +8507,19 @@
 static CmpopExprPair*
 lt_bitwise_or_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     CmpopExprPair* _res = NULL;
     int _mark = p->mark;
     { // '<' bitwise_or
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> lt_bitwise_or[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'<' bitwise_or"));
         Token * _literal;
         expr_ty a;
         if (
@@ -7001,17 +8528,22 @@
             (a = bitwise_or_rule(p))  // bitwise_or
         )
         {
+            D(fprintf(stderr, "%*c+ lt_bitwise_or[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'<' bitwise_or"));
             _res = _PyPegen_cmpop_expr_pair ( p , Lt , a );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s lt_bitwise_or[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'<' bitwise_or"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -7019,15 +8551,19 @@
 static CmpopExprPair*
 gte_bitwise_or_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     CmpopExprPair* _res = NULL;
     int _mark = p->mark;
     { // '>=' bitwise_or
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> gte_bitwise_or[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'>=' bitwise_or"));
         Token * _literal;
         expr_ty a;
         if (
@@ -7036,17 +8572,22 @@
             (a = bitwise_or_rule(p))  // bitwise_or
         )
         {
+            D(fprintf(stderr, "%*c+ gte_bitwise_or[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'>=' bitwise_or"));
             _res = _PyPegen_cmpop_expr_pair ( p , GtE , a );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s gte_bitwise_or[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'>=' bitwise_or"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -7054,15 +8595,19 @@
 static CmpopExprPair*
 gt_bitwise_or_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     CmpopExprPair* _res = NULL;
     int _mark = p->mark;
     { // '>' bitwise_or
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> gt_bitwise_or[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'>' bitwise_or"));
         Token * _literal;
         expr_ty a;
         if (
@@ -7071,17 +8616,22 @@
             (a = bitwise_or_rule(p))  // bitwise_or
         )
         {
+            D(fprintf(stderr, "%*c+ gt_bitwise_or[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'>' bitwise_or"));
             _res = _PyPegen_cmpop_expr_pair ( p , Gt , a );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s gt_bitwise_or[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'>' bitwise_or"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -7089,15 +8639,19 @@
 static CmpopExprPair*
 notin_bitwise_or_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     CmpopExprPair* _res = NULL;
     int _mark = p->mark;
     { // 'not' 'in' bitwise_or
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> notin_bitwise_or[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'not' 'in' bitwise_or"));
         Token * _keyword;
         Token * _keyword_1;
         expr_ty a;
@@ -7109,17 +8663,22 @@
             (a = bitwise_or_rule(p))  // bitwise_or
         )
         {
+            D(fprintf(stderr, "%*c+ notin_bitwise_or[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'not' 'in' bitwise_or"));
             _res = _PyPegen_cmpop_expr_pair ( p , NotIn , a );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s notin_bitwise_or[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'not' 'in' bitwise_or"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -7127,15 +8686,19 @@
 static CmpopExprPair*
 in_bitwise_or_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     CmpopExprPair* _res = NULL;
     int _mark = p->mark;
     { // 'in' bitwise_or
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> in_bitwise_or[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'in' bitwise_or"));
         Token * _keyword;
         expr_ty a;
         if (
@@ -7144,17 +8707,22 @@
             (a = bitwise_or_rule(p))  // bitwise_or
         )
         {
+            D(fprintf(stderr, "%*c+ in_bitwise_or[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'in' bitwise_or"));
             _res = _PyPegen_cmpop_expr_pair ( p , In , a );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s in_bitwise_or[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'in' bitwise_or"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -7162,15 +8730,19 @@
 static CmpopExprPair*
 isnot_bitwise_or_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     CmpopExprPair* _res = NULL;
     int _mark = p->mark;
     { // 'is' 'not' bitwise_or
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> isnot_bitwise_or[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'is' 'not' bitwise_or"));
         Token * _keyword;
         Token * _keyword_1;
         expr_ty a;
@@ -7182,17 +8754,22 @@
             (a = bitwise_or_rule(p))  // bitwise_or
         )
         {
+            D(fprintf(stderr, "%*c+ isnot_bitwise_or[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'is' 'not' bitwise_or"));
             _res = _PyPegen_cmpop_expr_pair ( p , IsNot , a );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s isnot_bitwise_or[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'is' 'not' bitwise_or"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -7200,15 +8777,19 @@
 static CmpopExprPair*
 is_bitwise_or_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     CmpopExprPair* _res = NULL;
     int _mark = p->mark;
     { // 'is' bitwise_or
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> is_bitwise_or[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'is' bitwise_or"));
         Token * _keyword;
         expr_ty a;
         if (
@@ -7217,17 +8798,22 @@
             (a = bitwise_or_rule(p))  // bitwise_or
         )
         {
+            D(fprintf(stderr, "%*c+ is_bitwise_or[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'is' bitwise_or"));
             _res = _PyPegen_cmpop_expr_pair ( p , Is , a );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s is_bitwise_or[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'is' bitwise_or"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -7237,14 +8823,18 @@
 static expr_ty
 bitwise_or_rule(Parser *p)
 {
+    D(p->level++);
     expr_ty _res = NULL;
-    if (_PyPegen_is_memoized(p, bitwise_or_type, &_res))
+    if (_PyPegen_is_memoized(p, bitwise_or_type, &_res)) {
+        D(p->level--);
         return _res;
+    }
     int _mark = p->mark;
     int _resmark = p->mark;
     while (1) {
         int tmpvar_1 = _PyPegen_update_memo(p, _mark, bitwise_or_type, _res);
         if (tmpvar_1) {
+            D(p->level--);
             return _res;
         }
         p->mark = _mark;
@@ -7255,18 +8845,22 @@
         _res = _raw;
     }
     p->mark = _resmark;
+    D(p->level--);
     return _res;
 }
 static expr_ty
 bitwise_or_raw(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     expr_ty _res = NULL;
     int _mark = p->mark;
     if (p->mark == p->fill && _PyPegen_fill_token(p) < 0) {
         p->error_indicator = 1;
+        D(p->level--);
         return NULL;
     }
     int _start_lineno = p->tokens[_mark]->lineno;
@@ -7275,8 +8869,10 @@
     UNUSED(_start_col_offset); // Only used by EXTRA macro
     { // bitwise_or '|' bitwise_xor
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> bitwise_or[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "bitwise_or '|' bitwise_xor"));
         Token * _literal;
         expr_ty a;
         expr_ty b;
@@ -7288,8 +8884,10 @@
             (b = bitwise_xor_rule(p))  // bitwise_xor
         )
         {
+            D(fprintf(stderr, "%*c+ bitwise_or[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "bitwise_or '|' bitwise_xor"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -7299,28 +8897,37 @@
             _res = _Py_BinOp ( a , BitOr , b , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s bitwise_or[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "bitwise_or '|' bitwise_xor"));
     }
     { // bitwise_xor
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> bitwise_or[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "bitwise_xor"));
         expr_ty bitwise_xor_var;
         if (
             (bitwise_xor_var = bitwise_xor_rule(p))  // bitwise_xor
         )
         {
+            D(fprintf(stderr, "%*c+ bitwise_or[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "bitwise_xor"));
             _res = bitwise_xor_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s bitwise_or[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "bitwise_xor"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -7330,14 +8937,18 @@
 static expr_ty
 bitwise_xor_rule(Parser *p)
 {
+    D(p->level++);
     expr_ty _res = NULL;
-    if (_PyPegen_is_memoized(p, bitwise_xor_type, &_res))
+    if (_PyPegen_is_memoized(p, bitwise_xor_type, &_res)) {
+        D(p->level--);
         return _res;
+    }
     int _mark = p->mark;
     int _resmark = p->mark;
     while (1) {
         int tmpvar_2 = _PyPegen_update_memo(p, _mark, bitwise_xor_type, _res);
         if (tmpvar_2) {
+            D(p->level--);
             return _res;
         }
         p->mark = _mark;
@@ -7348,18 +8959,22 @@
         _res = _raw;
     }
     p->mark = _resmark;
+    D(p->level--);
     return _res;
 }
 static expr_ty
 bitwise_xor_raw(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     expr_ty _res = NULL;
     int _mark = p->mark;
     if (p->mark == p->fill && _PyPegen_fill_token(p) < 0) {
         p->error_indicator = 1;
+        D(p->level--);
         return NULL;
     }
     int _start_lineno = p->tokens[_mark]->lineno;
@@ -7368,8 +8983,10 @@
     UNUSED(_start_col_offset); // Only used by EXTRA macro
     { // bitwise_xor '^' bitwise_and
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> bitwise_xor[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "bitwise_xor '^' bitwise_and"));
         Token * _literal;
         expr_ty a;
         expr_ty b;
@@ -7381,8 +8998,10 @@
             (b = bitwise_and_rule(p))  // bitwise_and
         )
         {
+            D(fprintf(stderr, "%*c+ bitwise_xor[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "bitwise_xor '^' bitwise_and"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -7392,28 +9011,37 @@
             _res = _Py_BinOp ( a , BitXor , b , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s bitwise_xor[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "bitwise_xor '^' bitwise_and"));
     }
     { // bitwise_and
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> bitwise_xor[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "bitwise_and"));
         expr_ty bitwise_and_var;
         if (
             (bitwise_and_var = bitwise_and_rule(p))  // bitwise_and
         )
         {
+            D(fprintf(stderr, "%*c+ bitwise_xor[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "bitwise_and"));
             _res = bitwise_and_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s bitwise_xor[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "bitwise_and"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -7423,14 +9051,18 @@
 static expr_ty
 bitwise_and_rule(Parser *p)
 {
+    D(p->level++);
     expr_ty _res = NULL;
-    if (_PyPegen_is_memoized(p, bitwise_and_type, &_res))
+    if (_PyPegen_is_memoized(p, bitwise_and_type, &_res)) {
+        D(p->level--);
         return _res;
+    }
     int _mark = p->mark;
     int _resmark = p->mark;
     while (1) {
         int tmpvar_3 = _PyPegen_update_memo(p, _mark, bitwise_and_type, _res);
         if (tmpvar_3) {
+            D(p->level--);
             return _res;
         }
         p->mark = _mark;
@@ -7441,18 +9073,22 @@
         _res = _raw;
     }
     p->mark = _resmark;
+    D(p->level--);
     return _res;
 }
 static expr_ty
 bitwise_and_raw(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     expr_ty _res = NULL;
     int _mark = p->mark;
     if (p->mark == p->fill && _PyPegen_fill_token(p) < 0) {
         p->error_indicator = 1;
+        D(p->level--);
         return NULL;
     }
     int _start_lineno = p->tokens[_mark]->lineno;
@@ -7461,8 +9097,10 @@
     UNUSED(_start_col_offset); // Only used by EXTRA macro
     { // bitwise_and '&' shift_expr
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> bitwise_and[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "bitwise_and '&' shift_expr"));
         Token * _literal;
         expr_ty a;
         expr_ty b;
@@ -7474,8 +9112,10 @@
             (b = shift_expr_rule(p))  // shift_expr
         )
         {
+            D(fprintf(stderr, "%*c+ bitwise_and[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "bitwise_and '&' shift_expr"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -7485,28 +9125,37 @@
             _res = _Py_BinOp ( a , BitAnd , b , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s bitwise_and[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "bitwise_and '&' shift_expr"));
     }
     { // shift_expr
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> bitwise_and[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "shift_expr"));
         expr_ty shift_expr_var;
         if (
             (shift_expr_var = shift_expr_rule(p))  // shift_expr
         )
         {
+            D(fprintf(stderr, "%*c+ bitwise_and[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "shift_expr"));
             _res = shift_expr_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s bitwise_and[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "shift_expr"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -7516,14 +9165,18 @@
 static expr_ty
 shift_expr_rule(Parser *p)
 {
+    D(p->level++);
     expr_ty _res = NULL;
-    if (_PyPegen_is_memoized(p, shift_expr_type, &_res))
+    if (_PyPegen_is_memoized(p, shift_expr_type, &_res)) {
+        D(p->level--);
         return _res;
+    }
     int _mark = p->mark;
     int _resmark = p->mark;
     while (1) {
         int tmpvar_4 = _PyPegen_update_memo(p, _mark, shift_expr_type, _res);
         if (tmpvar_4) {
+            D(p->level--);
             return _res;
         }
         p->mark = _mark;
@@ -7534,18 +9187,22 @@
         _res = _raw;
     }
     p->mark = _resmark;
+    D(p->level--);
     return _res;
 }
 static expr_ty
 shift_expr_raw(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     expr_ty _res = NULL;
     int _mark = p->mark;
     if (p->mark == p->fill && _PyPegen_fill_token(p) < 0) {
         p->error_indicator = 1;
+        D(p->level--);
         return NULL;
     }
     int _start_lineno = p->tokens[_mark]->lineno;
@@ -7554,8 +9211,10 @@
     UNUSED(_start_col_offset); // Only used by EXTRA macro
     { // shift_expr '<<' sum
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> shift_expr[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "shift_expr '<<' sum"));
         Token * _literal;
         expr_ty a;
         expr_ty b;
@@ -7567,8 +9226,10 @@
             (b = sum_rule(p))  // sum
         )
         {
+            D(fprintf(stderr, "%*c+ shift_expr[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "shift_expr '<<' sum"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -7578,16 +9239,21 @@
             _res = _Py_BinOp ( a , LShift , b , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s shift_expr[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "shift_expr '<<' sum"));
     }
     { // shift_expr '>>' sum
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> shift_expr[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "shift_expr '>>' sum"));
         Token * _literal;
         expr_ty a;
         expr_ty b;
@@ -7599,8 +9265,10 @@
             (b = sum_rule(p))  // sum
         )
         {
+            D(fprintf(stderr, "%*c+ shift_expr[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "shift_expr '>>' sum"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -7610,28 +9278,37 @@
             _res = _Py_BinOp ( a , RShift , b , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s shift_expr[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "shift_expr '>>' sum"));
     }
     { // sum
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> shift_expr[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "sum"));
         expr_ty sum_var;
         if (
             (sum_var = sum_rule(p))  // sum
         )
         {
+            D(fprintf(stderr, "%*c+ shift_expr[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "sum"));
             _res = sum_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s shift_expr[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "sum"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -7641,14 +9318,18 @@
 static expr_ty
 sum_rule(Parser *p)
 {
+    D(p->level++);
     expr_ty _res = NULL;
-    if (_PyPegen_is_memoized(p, sum_type, &_res))
+    if (_PyPegen_is_memoized(p, sum_type, &_res)) {
+        D(p->level--);
         return _res;
+    }
     int _mark = p->mark;
     int _resmark = p->mark;
     while (1) {
         int tmpvar_5 = _PyPegen_update_memo(p, _mark, sum_type, _res);
         if (tmpvar_5) {
+            D(p->level--);
             return _res;
         }
         p->mark = _mark;
@@ -7659,18 +9340,22 @@
         _res = _raw;
     }
     p->mark = _resmark;
+    D(p->level--);
     return _res;
 }
 static expr_ty
 sum_raw(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     expr_ty _res = NULL;
     int _mark = p->mark;
     if (p->mark == p->fill && _PyPegen_fill_token(p) < 0) {
         p->error_indicator = 1;
+        D(p->level--);
         return NULL;
     }
     int _start_lineno = p->tokens[_mark]->lineno;
@@ -7679,8 +9364,10 @@
     UNUSED(_start_col_offset); // Only used by EXTRA macro
     { // sum '+' term
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> sum[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "sum '+' term"));
         Token * _literal;
         expr_ty a;
         expr_ty b;
@@ -7692,8 +9379,10 @@
             (b = term_rule(p))  // term
         )
         {
+            D(fprintf(stderr, "%*c+ sum[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "sum '+' term"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -7703,16 +9392,21 @@
             _res = _Py_BinOp ( a , Add , b , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s sum[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "sum '+' term"));
     }
     { // sum '-' term
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> sum[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "sum '-' term"));
         Token * _literal;
         expr_ty a;
         expr_ty b;
@@ -7724,8 +9418,10 @@
             (b = term_rule(p))  // term
         )
         {
+            D(fprintf(stderr, "%*c+ sum[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "sum '-' term"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -7735,28 +9431,37 @@
             _res = _Py_BinOp ( a , Sub , b , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s sum[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "sum '-' term"));
     }
     { // term
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> sum[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "term"));
         expr_ty term_var;
         if (
             (term_var = term_rule(p))  // term
         )
         {
+            D(fprintf(stderr, "%*c+ sum[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "term"));
             _res = term_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s sum[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "term"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -7772,14 +9477,18 @@
 static expr_ty
 term_rule(Parser *p)
 {
+    D(p->level++);
     expr_ty _res = NULL;
-    if (_PyPegen_is_memoized(p, term_type, &_res))
+    if (_PyPegen_is_memoized(p, term_type, &_res)) {
+        D(p->level--);
         return _res;
+    }
     int _mark = p->mark;
     int _resmark = p->mark;
     while (1) {
         int tmpvar_6 = _PyPegen_update_memo(p, _mark, term_type, _res);
         if (tmpvar_6) {
+            D(p->level--);
             return _res;
         }
         p->mark = _mark;
@@ -7790,18 +9499,22 @@
         _res = _raw;
     }
     p->mark = _resmark;
+    D(p->level--);
     return _res;
 }
 static expr_ty
 term_raw(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     expr_ty _res = NULL;
     int _mark = p->mark;
     if (p->mark == p->fill && _PyPegen_fill_token(p) < 0) {
         p->error_indicator = 1;
+        D(p->level--);
         return NULL;
     }
     int _start_lineno = p->tokens[_mark]->lineno;
@@ -7810,8 +9523,10 @@
     UNUSED(_start_col_offset); // Only used by EXTRA macro
     { // term '*' factor
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> term[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "term '*' factor"));
         Token * _literal;
         expr_ty a;
         expr_ty b;
@@ -7823,8 +9538,10 @@
             (b = factor_rule(p))  // factor
         )
         {
+            D(fprintf(stderr, "%*c+ term[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "term '*' factor"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -7834,16 +9551,21 @@
             _res = _Py_BinOp ( a , Mult , b , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s term[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "term '*' factor"));
     }
     { // term '/' factor
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> term[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "term '/' factor"));
         Token * _literal;
         expr_ty a;
         expr_ty b;
@@ -7855,8 +9577,10 @@
             (b = factor_rule(p))  // factor
         )
         {
+            D(fprintf(stderr, "%*c+ term[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "term '/' factor"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -7866,16 +9590,21 @@
             _res = _Py_BinOp ( a , Div , b , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s term[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "term '/' factor"));
     }
     { // term '//' factor
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> term[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "term '//' factor"));
         Token * _literal;
         expr_ty a;
         expr_ty b;
@@ -7887,8 +9616,10 @@
             (b = factor_rule(p))  // factor
         )
         {
+            D(fprintf(stderr, "%*c+ term[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "term '//' factor"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -7898,16 +9629,21 @@
             _res = _Py_BinOp ( a , FloorDiv , b , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s term[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "term '//' factor"));
     }
     { // term '%' factor
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> term[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "term '%' factor"));
         Token * _literal;
         expr_ty a;
         expr_ty b;
@@ -7919,8 +9655,10 @@
             (b = factor_rule(p))  // factor
         )
         {
+            D(fprintf(stderr, "%*c+ term[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "term '%' factor"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -7930,16 +9668,21 @@
             _res = _Py_BinOp ( a , Mod , b , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s term[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "term '%' factor"));
     }
     { // term '@' factor
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> term[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "term '@' factor"));
         Token * _literal;
         expr_ty a;
         expr_ty b;
@@ -7951,8 +9694,10 @@
             (b = factor_rule(p))  // factor
         )
         {
+            D(fprintf(stderr, "%*c+ term[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "term '@' factor"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -7962,28 +9707,37 @@
             _res = CHECK_VERSION ( 5 , "The '@' operator is" , _Py_BinOp ( a , MatMult , b , EXTRA ) );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s term[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "term '@' factor"));
     }
     { // factor
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> term[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "factor"));
         expr_ty factor_var;
         if (
             (factor_var = factor_rule(p))  // factor
         )
         {
+            D(fprintf(stderr, "%*c+ term[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "factor"));
             _res = factor_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s term[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "factor"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -7991,15 +9745,20 @@
 static expr_ty
 factor_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     expr_ty _res = NULL;
-    if (_PyPegen_is_memoized(p, factor_type, &_res))
+    if (_PyPegen_is_memoized(p, factor_type, &_res)) {
+        D(p->level--);
         return _res;
+    }
     int _mark = p->mark;
     if (p->mark == p->fill && _PyPegen_fill_token(p) < 0) {
         p->error_indicator = 1;
+        D(p->level--);
         return NULL;
     }
     int _start_lineno = p->tokens[_mark]->lineno;
@@ -8008,8 +9767,10 @@
     UNUSED(_start_col_offset); // Only used by EXTRA macro
     { // '+' factor
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> factor[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'+' factor"));
         Token * _literal;
         expr_ty a;
         if (
@@ -8018,8 +9779,10 @@
             (a = factor_rule(p))  // factor
         )
         {
+            D(fprintf(stderr, "%*c+ factor[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'+' factor"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -8029,16 +9792,21 @@
             _res = _Py_UnaryOp ( UAdd , a , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s factor[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'+' factor"));
     }
     { // '-' factor
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> factor[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'-' factor"));
         Token * _literal;
         expr_ty a;
         if (
@@ -8047,8 +9815,10 @@
             (a = factor_rule(p))  // factor
         )
         {
+            D(fprintf(stderr, "%*c+ factor[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'-' factor"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -8058,16 +9828,21 @@
             _res = _Py_UnaryOp ( USub , a , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s factor[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'-' factor"));
     }
     { // '~' factor
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> factor[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'~' factor"));
         Token * _literal;
         expr_ty a;
         if (
@@ -8076,8 +9851,10 @@
             (a = factor_rule(p))  // factor
         )
         {
+            D(fprintf(stderr, "%*c+ factor[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'~' factor"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -8087,29 +9864,38 @@
             _res = _Py_UnaryOp ( Invert , a , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s factor[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'~' factor"));
     }
     { // power
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> factor[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "power"));
         expr_ty power_var;
         if (
             (power_var = power_rule(p))  // power
         )
         {
+            D(fprintf(stderr, "%*c+ factor[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "power"));
             _res = power_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s factor[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "power"));
     }
     _res = NULL;
   done:
     _PyPegen_insert_memo(p, _mark, factor_type, _res);
+    D(p->level--);
     return _res;
 }
 
@@ -8117,13 +9903,16 @@
 static expr_ty
 power_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     expr_ty _res = NULL;
     int _mark = p->mark;
     if (p->mark == p->fill && _PyPegen_fill_token(p) < 0) {
         p->error_indicator = 1;
+        D(p->level--);
         return NULL;
     }
     int _start_lineno = p->tokens[_mark]->lineno;
@@ -8132,8 +9921,10 @@
     UNUSED(_start_col_offset); // Only used by EXTRA macro
     { // await_primary '**' factor
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> power[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "await_primary '**' factor"));
         Token * _literal;
         expr_ty a;
         expr_ty b;
@@ -8145,8 +9936,10 @@
             (b = factor_rule(p))  // factor
         )
         {
+            D(fprintf(stderr, "%*c+ power[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "await_primary '**' factor"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -8156,28 +9949,37 @@
             _res = _Py_BinOp ( a , Pow , b , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s power[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "await_primary '**' factor"));
     }
     { // await_primary
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> power[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "await_primary"));
         expr_ty await_primary_var;
         if (
             (await_primary_var = await_primary_rule(p))  // await_primary
         )
         {
+            D(fprintf(stderr, "%*c+ power[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "await_primary"));
             _res = await_primary_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s power[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "await_primary"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -8185,15 +9987,20 @@
 static expr_ty
 await_primary_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     expr_ty _res = NULL;
-    if (_PyPegen_is_memoized(p, await_primary_type, &_res))
+    if (_PyPegen_is_memoized(p, await_primary_type, &_res)) {
+        D(p->level--);
         return _res;
+    }
     int _mark = p->mark;
     if (p->mark == p->fill && _PyPegen_fill_token(p) < 0) {
         p->error_indicator = 1;
+        D(p->level--);
         return NULL;
     }
     int _start_lineno = p->tokens[_mark]->lineno;
@@ -8202,8 +10009,10 @@
     UNUSED(_start_col_offset); // Only used by EXTRA macro
     { // AWAIT primary
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> await_primary[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "AWAIT primary"));
         expr_ty a;
         Token * await_var;
         if (
@@ -8212,8 +10021,10 @@
             (a = primary_rule(p))  // primary
         )
         {
+            D(fprintf(stderr, "%*c+ await_primary[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "AWAIT primary"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -8223,29 +10034,38 @@
             _res = CHECK_VERSION ( 5 , "Await expressions are" , _Py_Await ( a , EXTRA ) );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s await_primary[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "AWAIT primary"));
     }
     { // primary
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> await_primary[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "primary"));
         expr_ty primary_var;
         if (
             (primary_var = primary_rule(p))  // primary
         )
         {
+            D(fprintf(stderr, "%*c+ await_primary[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "primary"));
             _res = primary_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s await_primary[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "primary"));
     }
     _res = NULL;
   done:
     _PyPegen_insert_memo(p, _mark, await_primary_type, _res);
+    D(p->level--);
     return _res;
 }
 
@@ -8260,14 +10080,18 @@
 static expr_ty
 primary_rule(Parser *p)
 {
+    D(p->level++);
     expr_ty _res = NULL;
-    if (_PyPegen_is_memoized(p, primary_type, &_res))
+    if (_PyPegen_is_memoized(p, primary_type, &_res)) {
+        D(p->level--);
         return _res;
+    }
     int _mark = p->mark;
     int _resmark = p->mark;
     while (1) {
         int tmpvar_7 = _PyPegen_update_memo(p, _mark, primary_type, _res);
         if (tmpvar_7) {
+            D(p->level--);
             return _res;
         }
         p->mark = _mark;
@@ -8278,18 +10102,22 @@
         _res = _raw;
     }
     p->mark = _resmark;
+    D(p->level--);
     return _res;
 }
 static expr_ty
 primary_raw(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     expr_ty _res = NULL;
     int _mark = p->mark;
     if (p->mark == p->fill && _PyPegen_fill_token(p) < 0) {
         p->error_indicator = 1;
+        D(p->level--);
         return NULL;
     }
     int _start_lineno = p->tokens[_mark]->lineno;
@@ -8298,8 +10126,10 @@
     UNUSED(_start_col_offset); // Only used by EXTRA macro
     { // primary '.' NAME
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> primary[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "primary '.' NAME"));
         Token * _literal;
         expr_ty a;
         expr_ty b;
@@ -8311,8 +10141,10 @@
             (b = _PyPegen_name_token(p))  // NAME
         )
         {
+            D(fprintf(stderr, "%*c+ primary[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "primary '.' NAME"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -8322,16 +10154,21 @@
             _res = _Py_Attribute ( a , b -> v . Name . id , Load , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s primary[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "primary '.' NAME"));
     }
     { // primary genexp
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> primary[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "primary genexp"));
         expr_ty a;
         expr_ty b;
         if (
@@ -8340,8 +10177,10 @@
             (b = genexp_rule(p))  // genexp
         )
         {
+            D(fprintf(stderr, "%*c+ primary[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "primary genexp"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -8351,16 +10190,21 @@
             _res = _Py_Call ( a , CHECK ( _PyPegen_singleton_seq ( p , b ) ) , NULL , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s primary[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "primary genexp"));
     }
     { // primary '(' arguments? ')'
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> primary[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "primary '(' arguments? ')'"));
         Token * _literal;
         Token * _literal_1;
         expr_ty a;
@@ -8375,8 +10219,10 @@
             (_literal_1 = _PyPegen_expect_token(p, 8))  // token=')'
         )
         {
+            D(fprintf(stderr, "%*c+ primary[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "primary '(' arguments? ')'"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -8386,16 +10232,21 @@
             _res = _Py_Call ( a , ( b ) ? ( ( expr_ty ) b ) -> v . Call . args : NULL , ( b ) ? ( ( expr_ty ) b ) -> v . Call . keywords : NULL , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s primary[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "primary '(' arguments? ')'"));
     }
     { // primary '[' slices ']'
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> primary[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "primary '[' slices ']'"));
         Token * _literal;
         Token * _literal_1;
         expr_ty a;
@@ -8410,8 +10261,10 @@
             (_literal_1 = _PyPegen_expect_token(p, 10))  // token=']'
         )
         {
+            D(fprintf(stderr, "%*c+ primary[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "primary '[' slices ']'"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -8421,28 +10274,37 @@
             _res = _Py_Subscript ( a , b , Load , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s primary[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "primary '[' slices ']'"));
     }
     { // atom
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> primary[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "atom"));
         expr_ty atom_var;
         if (
             (atom_var = atom_rule(p))  // atom
         )
         {
+            D(fprintf(stderr, "%*c+ primary[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "atom"));
             _res = atom_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s primary[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "atom"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -8450,13 +10312,16 @@
 static expr_ty
 slices_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     expr_ty _res = NULL;
     int _mark = p->mark;
     if (p->mark == p->fill && _PyPegen_fill_token(p) < 0) {
         p->error_indicator = 1;
+        D(p->level--);
         return NULL;
     }
     int _start_lineno = p->tokens[_mark]->lineno;
@@ -8465,8 +10330,10 @@
     UNUSED(_start_col_offset); // Only used by EXTRA macro
     { // slice !','
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> slices[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "slice !','"));
         expr_ty a;
         if (
             (a = slice_rule(p))  // slice
@@ -8474,19 +10341,25 @@
             _PyPegen_lookahead_with_int(0, _PyPegen_expect_token, p, 12)  // token=','
         )
         {
+            D(fprintf(stderr, "%*c+ slices[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "slice !','"));
             _res = a;
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s slices[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "slice !','"));
     }
     { // ','.slice+ ','?
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> slices[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "','.slice+ ','?"));
         void *_opt_var;
         UNUSED(_opt_var); // Silence compiler warnings
         asdl_seq * a;
@@ -8496,8 +10369,10 @@
             (_opt_var = _PyPegen_expect_token(p, 12), 1)  // ','?
         )
         {
+            D(fprintf(stderr, "%*c+ slices[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "','.slice+ ','?"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -8507,14 +10382,18 @@
             _res = _Py_Tuple ( a , Load , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s slices[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "','.slice+ ','?"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -8522,13 +10401,16 @@
 static expr_ty
 slice_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     expr_ty _res = NULL;
     int _mark = p->mark;
     if (p->mark == p->fill && _PyPegen_fill_token(p) < 0) {
         p->error_indicator = 1;
+        D(p->level--);
         return NULL;
     }
     int _start_lineno = p->tokens[_mark]->lineno;
@@ -8537,8 +10419,10 @@
     UNUSED(_start_col_offset); // Only used by EXTRA macro
     { // expression? ':' expression? [':' expression?]
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> slice[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "expression? ':' expression? [':' expression?]"));
         Token * _literal;
         void *a;
         void *b;
@@ -8553,8 +10437,10 @@
             (c = _tmp_95_rule(p), 1)  // [':' expression?]
         )
         {
+            D(fprintf(stderr, "%*c+ slice[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "expression? ':' expression? [':' expression?]"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -8564,32 +10450,42 @@
             _res = _Py_Slice ( a , b , c , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s slice[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "expression? ':' expression? [':' expression?]"));
     }
     { // expression
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> slice[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "expression"));
         expr_ty a;
         if (
             (a = expression_rule(p))  // expression
         )
         {
+            D(fprintf(stderr, "%*c+ slice[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "expression"));
             _res = a;
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s slice[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "expression"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -8608,13 +10504,16 @@
 static expr_ty
 atom_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     expr_ty _res = NULL;
     int _mark = p->mark;
     if (p->mark == p->fill && _PyPegen_fill_token(p) < 0) {
         p->error_indicator = 1;
+        D(p->level--);
         return NULL;
     }
     int _start_lineno = p->tokens[_mark]->lineno;
@@ -8623,29 +10522,38 @@
     UNUSED(_start_col_offset); // Only used by EXTRA macro
     { // NAME
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> atom[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "NAME"));
         expr_ty name_var;
         if (
             (name_var = _PyPegen_name_token(p))  // NAME
         )
         {
+            D(fprintf(stderr, "%*c+ atom[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "NAME"));
             _res = name_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s atom[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "NAME"));
     }
     { // 'True'
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> atom[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'True'"));
         Token * _keyword;
         if (
             (_keyword = _PyPegen_expect_token(p, 527))  // token='True'
         )
         {
+            D(fprintf(stderr, "%*c+ atom[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'True'"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -8655,23 +10563,30 @@
             _res = _Py_Constant ( Py_True , NULL , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s atom[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'True'"));
     }
     { // 'False'
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> atom[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'False'"));
         Token * _keyword;
         if (
             (_keyword = _PyPegen_expect_token(p, 528))  // token='False'
         )
         {
+            D(fprintf(stderr, "%*c+ atom[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'False'"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -8681,23 +10596,30 @@
             _res = _Py_Constant ( Py_False , NULL , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s atom[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'False'"));
     }
     { // 'None'
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> atom[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'None'"));
         Token * _keyword;
         if (
             (_keyword = _PyPegen_expect_token(p, 529))  // token='None'
         )
         {
+            D(fprintf(stderr, "%*c+ atom[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'None'"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -8707,34 +10629,45 @@
             _res = _Py_Constant ( Py_None , NULL , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s atom[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'None'"));
     }
     { // '__new_parser__'
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> atom[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'__new_parser__'"));
         Token * _keyword;
         if (
             (_keyword = _PyPegen_expect_token(p, 530))  // token='__new_parser__'
         )
         {
+            D(fprintf(stderr, "%*c+ atom[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'__new_parser__'"));
             _res = RAISE_SYNTAX_ERROR ( "You found it!" );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s atom[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'__new_parser__'"));
     }
     { // &STRING strings
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> atom[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "&STRING strings"));
         expr_ty strings_var;
         if (
             _PyPegen_lookahead(1, _PyPegen_string_token, p)
@@ -8742,29 +10675,39 @@
             (strings_var = strings_rule(p))  // strings
         )
         {
+            D(fprintf(stderr, "%*c+ atom[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "&STRING strings"));
             _res = strings_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s atom[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "&STRING strings"));
     }
     { // NUMBER
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> atom[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "NUMBER"));
         expr_ty number_var;
         if (
             (number_var = _PyPegen_number_token(p))  // NUMBER
         )
         {
+            D(fprintf(stderr, "%*c+ atom[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "NUMBER"));
             _res = number_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s atom[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "NUMBER"));
     }
     { // &'(' (tuple | group | genexp)
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> atom[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "&'(' (tuple | group | genexp)"));
         void *_tmp_96_var;
         if (
             _PyPegen_lookahead_with_int(1, _PyPegen_expect_token, p, 7)  // token='('
@@ -8772,15 +10715,20 @@
             (_tmp_96_var = _tmp_96_rule(p))  // tuple | group | genexp
         )
         {
+            D(fprintf(stderr, "%*c+ atom[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "&'(' (tuple | group | genexp)"));
             _res = _tmp_96_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s atom[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "&'(' (tuple | group | genexp)"));
     }
     { // &'[' (list | listcomp)
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> atom[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "&'[' (list | listcomp)"));
         void *_tmp_97_var;
         if (
             _PyPegen_lookahead_with_int(1, _PyPegen_expect_token, p, 9)  // token='['
@@ -8788,15 +10736,20 @@
             (_tmp_97_var = _tmp_97_rule(p))  // list | listcomp
         )
         {
+            D(fprintf(stderr, "%*c+ atom[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "&'[' (list | listcomp)"));
             _res = _tmp_97_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s atom[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "&'[' (list | listcomp)"));
     }
     { // &'{' (dict | set | dictcomp | setcomp)
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> atom[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "&'{' (dict | set | dictcomp | setcomp)"));
         void *_tmp_98_var;
         if (
             _PyPegen_lookahead_with_int(1, _PyPegen_expect_token, p, 25)  // token='{'
@@ -8804,22 +10757,29 @@
             (_tmp_98_var = _tmp_98_rule(p))  // dict | set | dictcomp | setcomp
         )
         {
+            D(fprintf(stderr, "%*c+ atom[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "&'{' (dict | set | dictcomp | setcomp)"));
             _res = _tmp_98_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s atom[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "&'{' (dict | set | dictcomp | setcomp)"));
     }
     { // '...'
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> atom[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'...'"));
         Token * _literal;
         if (
             (_literal = _PyPegen_expect_token(p, 52))  // token='...'
         )
         {
+            D(fprintf(stderr, "%*c+ atom[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'...'"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -8829,14 +10789,18 @@
             _res = _Py_Constant ( Py_Ellipsis , NULL , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s atom[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'...'"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -8844,34 +10808,45 @@
 static expr_ty
 strings_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     expr_ty _res = NULL;
-    if (_PyPegen_is_memoized(p, strings_type, &_res))
+    if (_PyPegen_is_memoized(p, strings_type, &_res)) {
+        D(p->level--);
         return _res;
+    }
     int _mark = p->mark;
     { // STRING+
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> strings[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "STRING+"));
         asdl_seq * a;
         if (
             (a = _loop1_99_rule(p))  // STRING+
         )
         {
+            D(fprintf(stderr, "%*c+ strings[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "STRING+"));
             _res = _PyPegen_concatenate_strings ( p , a );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s strings[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "STRING+"));
     }
     _res = NULL;
   done:
     _PyPegen_insert_memo(p, _mark, strings_type, _res);
+    D(p->level--);
     return _res;
 }
 
@@ -8879,13 +10854,16 @@
 static expr_ty
 list_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     expr_ty _res = NULL;
     int _mark = p->mark;
     if (p->mark == p->fill && _PyPegen_fill_token(p) < 0) {
         p->error_indicator = 1;
+        D(p->level--);
         return NULL;
     }
     int _start_lineno = p->tokens[_mark]->lineno;
@@ -8894,8 +10872,10 @@
     UNUSED(_start_col_offset); // Only used by EXTRA macro
     { // '[' star_named_expressions? ']'
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> list[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'[' star_named_expressions? ']'"));
         Token * _literal;
         Token * _literal_1;
         void *a;
@@ -8907,8 +10887,10 @@
             (_literal_1 = _PyPegen_expect_token(p, 10))  // token=']'
         )
         {
+            D(fprintf(stderr, "%*c+ list[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'[' star_named_expressions? ']'"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -8918,14 +10900,18 @@
             _res = _Py_List ( a , Load , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s list[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'[' star_named_expressions? ']'"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -8933,13 +10919,16 @@
 static expr_ty
 listcomp_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     expr_ty _res = NULL;
     int _mark = p->mark;
     if (p->mark == p->fill && _PyPegen_fill_token(p) < 0) {
         p->error_indicator = 1;
+        D(p->level--);
         return NULL;
     }
     int _start_lineno = p->tokens[_mark]->lineno;
@@ -8948,8 +10937,10 @@
     UNUSED(_start_col_offset); // Only used by EXTRA macro
     { // '[' named_expression for_if_clauses ']'
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> listcomp[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'[' named_expression for_if_clauses ']'"));
         Token * _literal;
         Token * _literal_1;
         expr_ty a;
@@ -8964,8 +10955,10 @@
             (_literal_1 = _PyPegen_expect_token(p, 10))  // token=']'
         )
         {
+            D(fprintf(stderr, "%*c+ listcomp[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'[' named_expression for_if_clauses ']'"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -8975,28 +10968,37 @@
             _res = _Py_ListComp ( a , b , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s listcomp[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'[' named_expression for_if_clauses ']'"));
     }
     { // invalid_comprehension
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> listcomp[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "invalid_comprehension"));
         void *invalid_comprehension_var;
         if (
             (invalid_comprehension_var = invalid_comprehension_rule(p))  // invalid_comprehension
         )
         {
+            D(fprintf(stderr, "%*c+ listcomp[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "invalid_comprehension"));
             _res = invalid_comprehension_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s listcomp[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "invalid_comprehension"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -9004,13 +11006,16 @@
 static expr_ty
 tuple_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     expr_ty _res = NULL;
     int _mark = p->mark;
     if (p->mark == p->fill && _PyPegen_fill_token(p) < 0) {
         p->error_indicator = 1;
+        D(p->level--);
         return NULL;
     }
     int _start_lineno = p->tokens[_mark]->lineno;
@@ -9019,8 +11024,10 @@
     UNUSED(_start_col_offset); // Only used by EXTRA macro
     { // '(' [star_named_expression ',' star_named_expressions?] ')'
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> tuple[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'(' [star_named_expression ',' star_named_expressions?] ')'"));
         Token * _literal;
         Token * _literal_1;
         void *a;
@@ -9032,8 +11039,10 @@
             (_literal_1 = _PyPegen_expect_token(p, 8))  // token=')'
         )
         {
+            D(fprintf(stderr, "%*c+ tuple[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'(' [star_named_expression ',' star_named_expressions?] ')'"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -9043,14 +11052,18 @@
             _res = _Py_Tuple ( a , Load , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s tuple[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'(' [star_named_expression ',' star_named_expressions?] ')'"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -9058,15 +11071,19 @@
 static expr_ty
 group_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     expr_ty _res = NULL;
     int _mark = p->mark;
     { // '(' (yield_expr | named_expression) ')'
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> group[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'(' (yield_expr | named_expression) ')'"));
         Token * _literal;
         Token * _literal_1;
         void *a;
@@ -9078,17 +11095,22 @@
             (_literal_1 = _PyPegen_expect_token(p, 8))  // token=')'
         )
         {
+            D(fprintf(stderr, "%*c+ group[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'(' (yield_expr | named_expression) ')'"));
             _res = a;
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s group[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'(' (yield_expr | named_expression) ')'"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -9096,13 +11118,16 @@
 static expr_ty
 genexp_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     expr_ty _res = NULL;
     int _mark = p->mark;
     if (p->mark == p->fill && _PyPegen_fill_token(p) < 0) {
         p->error_indicator = 1;
+        D(p->level--);
         return NULL;
     }
     int _start_lineno = p->tokens[_mark]->lineno;
@@ -9111,8 +11136,10 @@
     UNUSED(_start_col_offset); // Only used by EXTRA macro
     { // '(' expression for_if_clauses ')'
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> genexp[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'(' expression for_if_clauses ')'"));
         Token * _literal;
         Token * _literal_1;
         expr_ty a;
@@ -9127,8 +11154,10 @@
             (_literal_1 = _PyPegen_expect_token(p, 8))  // token=')'
         )
         {
+            D(fprintf(stderr, "%*c+ genexp[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'(' expression for_if_clauses ')'"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -9138,28 +11167,37 @@
             _res = _Py_GeneratorExp ( a , b , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s genexp[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'(' expression for_if_clauses ')'"));
     }
     { // invalid_comprehension
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> genexp[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "invalid_comprehension"));
         void *invalid_comprehension_var;
         if (
             (invalid_comprehension_var = invalid_comprehension_rule(p))  // invalid_comprehension
         )
         {
+            D(fprintf(stderr, "%*c+ genexp[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "invalid_comprehension"));
             _res = invalid_comprehension_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s genexp[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "invalid_comprehension"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -9167,13 +11205,16 @@
 static expr_ty
 set_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     expr_ty _res = NULL;
     int _mark = p->mark;
     if (p->mark == p->fill && _PyPegen_fill_token(p) < 0) {
         p->error_indicator = 1;
+        D(p->level--);
         return NULL;
     }
     int _start_lineno = p->tokens[_mark]->lineno;
@@ -9182,8 +11223,10 @@
     UNUSED(_start_col_offset); // Only used by EXTRA macro
     { // '{' expressions_list '}'
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> set[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'{' expressions_list '}'"));
         Token * _literal;
         Token * _literal_1;
         asdl_seq* a;
@@ -9195,8 +11238,10 @@
             (_literal_1 = _PyPegen_expect_token(p, 26))  // token='}'
         )
         {
+            D(fprintf(stderr, "%*c+ set[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'{' expressions_list '}'"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -9206,14 +11251,18 @@
             _res = _Py_Set ( a , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s set[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'{' expressions_list '}'"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -9221,13 +11270,16 @@
 static expr_ty
 setcomp_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     expr_ty _res = NULL;
     int _mark = p->mark;
     if (p->mark == p->fill && _PyPegen_fill_token(p) < 0) {
         p->error_indicator = 1;
+        D(p->level--);
         return NULL;
     }
     int _start_lineno = p->tokens[_mark]->lineno;
@@ -9236,8 +11288,10 @@
     UNUSED(_start_col_offset); // Only used by EXTRA macro
     { // '{' expression for_if_clauses '}'
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> setcomp[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'{' expression for_if_clauses '}'"));
         Token * _literal;
         Token * _literal_1;
         expr_ty a;
@@ -9252,8 +11306,10 @@
             (_literal_1 = _PyPegen_expect_token(p, 26))  // token='}'
         )
         {
+            D(fprintf(stderr, "%*c+ setcomp[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'{' expression for_if_clauses '}'"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -9263,28 +11319,37 @@
             _res = _Py_SetComp ( a , b , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s setcomp[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'{' expression for_if_clauses '}'"));
     }
     { // invalid_comprehension
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> setcomp[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "invalid_comprehension"));
         void *invalid_comprehension_var;
         if (
             (invalid_comprehension_var = invalid_comprehension_rule(p))  // invalid_comprehension
         )
         {
+            D(fprintf(stderr, "%*c+ setcomp[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "invalid_comprehension"));
             _res = invalid_comprehension_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s setcomp[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "invalid_comprehension"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -9292,13 +11357,16 @@
 static expr_ty
 dict_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     expr_ty _res = NULL;
     int _mark = p->mark;
     if (p->mark == p->fill && _PyPegen_fill_token(p) < 0) {
         p->error_indicator = 1;
+        D(p->level--);
         return NULL;
     }
     int _start_lineno = p->tokens[_mark]->lineno;
@@ -9307,8 +11375,10 @@
     UNUSED(_start_col_offset); // Only used by EXTRA macro
     { // '{' double_starred_kvpairs? '}'
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> dict[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'{' double_starred_kvpairs? '}'"));
         Token * _literal;
         Token * _literal_1;
         void *a;
@@ -9320,8 +11390,10 @@
             (_literal_1 = _PyPegen_expect_token(p, 26))  // token='}'
         )
         {
+            D(fprintf(stderr, "%*c+ dict[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'{' double_starred_kvpairs? '}'"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -9331,14 +11403,18 @@
             _res = _Py_Dict ( CHECK ( _PyPegen_get_keys ( p , a ) ) , CHECK ( _PyPegen_get_values ( p , a ) ) , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s dict[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'{' double_starred_kvpairs? '}'"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -9346,13 +11422,16 @@
 static expr_ty
 dictcomp_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     expr_ty _res = NULL;
     int _mark = p->mark;
     if (p->mark == p->fill && _PyPegen_fill_token(p) < 0) {
         p->error_indicator = 1;
+        D(p->level--);
         return NULL;
     }
     int _start_lineno = p->tokens[_mark]->lineno;
@@ -9361,8 +11440,10 @@
     UNUSED(_start_col_offset); // Only used by EXTRA macro
     { // '{' kvpair for_if_clauses '}'
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> dictcomp[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'{' kvpair for_if_clauses '}'"));
         Token * _literal;
         Token * _literal_1;
         KeyValuePair* a;
@@ -9377,8 +11458,10 @@
             (_literal_1 = _PyPegen_expect_token(p, 26))  // token='}'
         )
         {
+            D(fprintf(stderr, "%*c+ dictcomp[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'{' kvpair for_if_clauses '}'"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -9388,28 +11471,37 @@
             _res = _Py_DictComp ( a -> key , a -> value , b , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s dictcomp[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'{' kvpair for_if_clauses '}'"));
     }
     { // invalid_dict_comprehension
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> dictcomp[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "invalid_dict_comprehension"));
         void *invalid_dict_comprehension_var;
         if (
             (invalid_dict_comprehension_var = invalid_dict_comprehension_rule(p))  // invalid_dict_comprehension
         )
         {
+            D(fprintf(stderr, "%*c+ dictcomp[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "invalid_dict_comprehension"));
             _res = invalid_dict_comprehension_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s dictcomp[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "invalid_dict_comprehension"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -9417,15 +11509,19 @@
 static asdl_seq*
 double_starred_kvpairs_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     asdl_seq* _res = NULL;
     int _mark = p->mark;
     { // ','.double_starred_kvpair+ ','?
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> double_starred_kvpairs[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "','.double_starred_kvpair+ ','?"));
         void *_opt_var;
         UNUSED(_opt_var); // Silence compiler warnings
         asdl_seq * a;
@@ -9435,17 +11531,22 @@
             (_opt_var = _PyPegen_expect_token(p, 12), 1)  // ','?
         )
         {
+            D(fprintf(stderr, "%*c+ double_starred_kvpairs[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "','.double_starred_kvpair+ ','?"));
             _res = a;
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s double_starred_kvpairs[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "','.double_starred_kvpair+ ','?"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -9453,15 +11554,19 @@
 static KeyValuePair*
 double_starred_kvpair_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     KeyValuePair* _res = NULL;
     int _mark = p->mark;
     { // '**' bitwise_or
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> double_starred_kvpair[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'**' bitwise_or"));
         Token * _literal;
         expr_ty a;
         if (
@@ -9470,31 +11575,41 @@
             (a = bitwise_or_rule(p))  // bitwise_or
         )
         {
+            D(fprintf(stderr, "%*c+ double_starred_kvpair[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'**' bitwise_or"));
             _res = _PyPegen_key_value_pair ( p , NULL , a );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s double_starred_kvpair[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'**' bitwise_or"));
     }
     { // kvpair
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> double_starred_kvpair[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "kvpair"));
         KeyValuePair* kvpair_var;
         if (
             (kvpair_var = kvpair_rule(p))  // kvpair
         )
         {
+            D(fprintf(stderr, "%*c+ double_starred_kvpair[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "kvpair"));
             _res = kvpair_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s double_starred_kvpair[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "kvpair"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -9502,15 +11617,19 @@
 static KeyValuePair*
 kvpair_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     KeyValuePair* _res = NULL;
     int _mark = p->mark;
     { // expression ':' expression
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> kvpair[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "expression ':' expression"));
         Token * _literal;
         expr_ty a;
         expr_ty b;
@@ -9522,17 +11641,22 @@
             (b = expression_rule(p))  // expression
         )
         {
+            D(fprintf(stderr, "%*c+ kvpair[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "expression ':' expression"));
             _res = _PyPegen_key_value_pair ( p , a , b );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s kvpair[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "expression ':' expression"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -9540,27 +11664,35 @@
 static asdl_seq*
 for_if_clauses_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     asdl_seq* _res = NULL;
     int _mark = p->mark;
     { // for_if_clause+
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> for_if_clauses[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "for_if_clause+"));
         asdl_seq * _loop1_104_var;
         if (
             (_loop1_104_var = _loop1_104_rule(p))  // for_if_clause+
         )
         {
+            D(fprintf(stderr, "%*c+ for_if_clauses[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "for_if_clause+"));
             _res = _loop1_104_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s for_if_clauses[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "for_if_clause+"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -9570,15 +11702,19 @@
 static comprehension_ty
 for_if_clause_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     comprehension_ty _res = NULL;
     int _mark = p->mark;
     { // ASYNC 'for' star_targets 'in' disjunction (('if' disjunction))*
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> for_if_clause[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "ASYNC 'for' star_targets 'in' disjunction (('if' disjunction))*"));
         Token * _keyword;
         Token * _keyword_1;
         expr_ty a;
@@ -9599,19 +11735,25 @@
             (c = _loop0_105_rule(p))  // (('if' disjunction))*
         )
         {
+            D(fprintf(stderr, "%*c+ for_if_clause[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "ASYNC 'for' star_targets 'in' disjunction (('if' disjunction))*"));
             _res = CHECK_VERSION ( 6 , "Async comprehensions are" , _Py_comprehension ( a , b , c , 1 , p -> arena ) );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s for_if_clause[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "ASYNC 'for' star_targets 'in' disjunction (('if' disjunction))*"));
     }
     { // 'for' star_targets 'in' disjunction (('if' disjunction))*
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> for_if_clause[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'for' star_targets 'in' disjunction (('if' disjunction))*"));
         Token * _keyword;
         Token * _keyword_1;
         expr_ty a;
@@ -9629,17 +11771,22 @@
             (c = _loop0_106_rule(p))  // (('if' disjunction))*
         )
         {
+            D(fprintf(stderr, "%*c+ for_if_clause[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'for' star_targets 'in' disjunction (('if' disjunction))*"));
             _res = _Py_comprehension ( a , b , c , 0 , p -> arena );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s for_if_clause[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'for' star_targets 'in' disjunction (('if' disjunction))*"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -9647,13 +11794,16 @@
 static expr_ty
 yield_expr_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     expr_ty _res = NULL;
     int _mark = p->mark;
     if (p->mark == p->fill && _PyPegen_fill_token(p) < 0) {
         p->error_indicator = 1;
+        D(p->level--);
         return NULL;
     }
     int _start_lineno = p->tokens[_mark]->lineno;
@@ -9662,8 +11812,10 @@
     UNUSED(_start_col_offset); // Only used by EXTRA macro
     { // 'yield' 'from' expression
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> yield_expr[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'yield' 'from' expression"));
         Token * _keyword;
         Token * _keyword_1;
         expr_ty a;
@@ -9675,8 +11827,10 @@
             (a = expression_rule(p))  // expression
         )
         {
+            D(fprintf(stderr, "%*c+ yield_expr[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'yield' 'from' expression"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -9686,16 +11840,21 @@
             _res = _Py_YieldFrom ( a , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s yield_expr[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'yield' 'from' expression"));
     }
     { // 'yield' star_expressions?
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> yield_expr[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'yield' star_expressions?"));
         Token * _keyword;
         void *a;
         if (
@@ -9704,8 +11863,10 @@
             (a = star_expressions_rule(p), 1)  // star_expressions?
         )
         {
+            D(fprintf(stderr, "%*c+ yield_expr[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'yield' star_expressions?"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -9715,14 +11876,18 @@
             _res = _Py_Yield ( a , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s yield_expr[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'yield' star_expressions?"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -9730,17 +11895,23 @@
 static expr_ty
 arguments_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     expr_ty _res = NULL;
-    if (_PyPegen_is_memoized(p, arguments_type, &_res))
+    if (_PyPegen_is_memoized(p, arguments_type, &_res)) {
+        D(p->level--);
         return _res;
+    }
     int _mark = p->mark;
     { // args ','? &')'
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> arguments[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "args ','? &')'"));
         void *_opt_var;
         UNUSED(_opt_var); // Silence compiler warnings
         expr_ty a;
@@ -9752,32 +11923,42 @@
             _PyPegen_lookahead_with_int(1, _PyPegen_expect_token, p, 8)  // token=')'
         )
         {
+            D(fprintf(stderr, "%*c+ arguments[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "args ','? &')'"));
             _res = a;
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s arguments[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "args ','? &')'"));
     }
     { // incorrect_arguments
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> arguments[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "incorrect_arguments"));
         void *incorrect_arguments_var;
         if (
             (incorrect_arguments_var = incorrect_arguments_rule(p))  // incorrect_arguments
         )
         {
+            D(fprintf(stderr, "%*c+ arguments[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "incorrect_arguments"));
             _res = incorrect_arguments_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s arguments[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "incorrect_arguments"));
     }
     _res = NULL;
   done:
     _PyPegen_insert_memo(p, _mark, arguments_type, _res);
+    D(p->level--);
     return _res;
 }
 
@@ -9785,13 +11966,16 @@
 static expr_ty
 args_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     expr_ty _res = NULL;
     int _mark = p->mark;
     if (p->mark == p->fill && _PyPegen_fill_token(p) < 0) {
         p->error_indicator = 1;
+        D(p->level--);
         return NULL;
     }
     int _start_lineno = p->tokens[_mark]->lineno;
@@ -9800,8 +11984,10 @@
     UNUSED(_start_col_offset); // Only used by EXTRA macro
     { // starred_expression [',' args]
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> args[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "starred_expression [',' args]"));
         expr_ty a;
         void *b;
         if (
@@ -9810,8 +11996,10 @@
             (b = _tmp_107_rule(p), 1)  // [',' args]
         )
         {
+            D(fprintf(stderr, "%*c+ args[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "starred_expression [',' args]"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -9821,23 +12009,30 @@
             _res = _Py_Call ( _PyPegen_dummy_name ( p ) , ( b ) ? CHECK ( _PyPegen_seq_insert_in_front ( p , a , ( ( expr_ty ) b ) -> v . Call . args ) ) : CHECK ( _PyPegen_singleton_seq ( p , a ) ) , ( b ) ? ( ( expr_ty ) b ) -> v . Call . keywords : NULL , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s args[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "starred_expression [',' args]"));
     }
     { // kwargs
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> args[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "kwargs"));
         asdl_seq* a;
         if (
             (a = kwargs_rule(p))  // kwargs
         )
         {
+            D(fprintf(stderr, "%*c+ args[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "kwargs"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -9847,16 +12042,21 @@
             _res = _Py_Call ( _PyPegen_dummy_name ( p ) , CHECK_NULL_ALLOWED ( _PyPegen_seq_extract_starred_exprs ( p , a ) ) , CHECK_NULL_ALLOWED ( _PyPegen_seq_delete_starred_exprs ( p , a ) ) , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s args[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "kwargs"));
     }
     { // named_expression [',' args]
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> args[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "named_expression [',' args]"));
         expr_ty a;
         void *b;
         if (
@@ -9865,8 +12065,10 @@
             (b = _tmp_108_rule(p), 1)  // [',' args]
         )
         {
+            D(fprintf(stderr, "%*c+ args[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "named_expression [',' args]"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -9876,14 +12078,18 @@
             _res = _Py_Call ( _PyPegen_dummy_name ( p ) , ( b ) ? CHECK ( _PyPegen_seq_insert_in_front ( p , a , ( ( expr_ty ) b ) -> v . Call . args ) ) : CHECK ( _PyPegen_singleton_seq ( p , a ) ) , ( b ) ? ( ( expr_ty ) b ) -> v . Call . keywords : NULL , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s args[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "named_expression [',' args]"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -9894,15 +12100,19 @@
 static asdl_seq*
 kwargs_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     asdl_seq* _res = NULL;
     int _mark = p->mark;
     { // ','.kwarg_or_starred+ ',' ','.kwarg_or_double_starred+
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> kwargs[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "','.kwarg_or_starred+ ',' ','.kwarg_or_double_starred+"));
         Token * _literal;
         asdl_seq * a;
         asdl_seq * b;
@@ -9914,45 +12124,60 @@
             (b = _gather_111_rule(p))  // ','.kwarg_or_double_starred+
         )
         {
+            D(fprintf(stderr, "%*c+ kwargs[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "','.kwarg_or_starred+ ',' ','.kwarg_or_double_starred+"));
             _res = _PyPegen_join_sequences ( p , a , b );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s kwargs[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "','.kwarg_or_starred+ ',' ','.kwarg_or_double_starred+"));
     }
     { // ','.kwarg_or_starred+
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> kwargs[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "','.kwarg_or_starred+"));
         asdl_seq * _gather_113_var;
         if (
             (_gather_113_var = _gather_113_rule(p))  // ','.kwarg_or_starred+
         )
         {
+            D(fprintf(stderr, "%*c+ kwargs[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "','.kwarg_or_starred+"));
             _res = _gather_113_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s kwargs[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "','.kwarg_or_starred+"));
     }
     { // ','.kwarg_or_double_starred+
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> kwargs[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "','.kwarg_or_double_starred+"));
         asdl_seq * _gather_115_var;
         if (
             (_gather_115_var = _gather_115_rule(p))  // ','.kwarg_or_double_starred+
         )
         {
+            D(fprintf(stderr, "%*c+ kwargs[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "','.kwarg_or_double_starred+"));
             _res = _gather_115_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s kwargs[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "','.kwarg_or_double_starred+"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -9960,13 +12185,16 @@
 static expr_ty
 starred_expression_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     expr_ty _res = NULL;
     int _mark = p->mark;
     if (p->mark == p->fill && _PyPegen_fill_token(p) < 0) {
         p->error_indicator = 1;
+        D(p->level--);
         return NULL;
     }
     int _start_lineno = p->tokens[_mark]->lineno;
@@ -9975,8 +12203,10 @@
     UNUSED(_start_col_offset); // Only used by EXTRA macro
     { // '*' expression
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> starred_expression[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'*' expression"));
         Token * _literal;
         expr_ty a;
         if (
@@ -9985,8 +12215,10 @@
             (a = expression_rule(p))  // expression
         )
         {
+            D(fprintf(stderr, "%*c+ starred_expression[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'*' expression"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -9996,14 +12228,18 @@
             _res = _Py_Starred ( a , Load , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s starred_expression[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'*' expression"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -10011,13 +12247,16 @@
 static KeywordOrStarred*
 kwarg_or_starred_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     KeywordOrStarred* _res = NULL;
     int _mark = p->mark;
     if (p->mark == p->fill && _PyPegen_fill_token(p) < 0) {
         p->error_indicator = 1;
+        D(p->level--);
         return NULL;
     }
     int _start_lineno = p->tokens[_mark]->lineno;
@@ -10026,8 +12265,10 @@
     UNUSED(_start_col_offset); // Only used by EXTRA macro
     { // NAME '=' expression
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> kwarg_or_starred[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "NAME '=' expression"));
         Token * _literal;
         expr_ty a;
         expr_ty b;
@@ -10039,8 +12280,10 @@
             (b = expression_rule(p))  // expression
         )
         {
+            D(fprintf(stderr, "%*c+ kwarg_or_starred[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "NAME '=' expression"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -10050,46 +12293,61 @@
             _res = _PyPegen_keyword_or_starred ( p , CHECK ( _Py_keyword ( a -> v . Name . id , b , EXTRA ) ) , 1 );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s kwarg_or_starred[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "NAME '=' expression"));
     }
     { // starred_expression
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> kwarg_or_starred[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "starred_expression"));
         expr_ty a;
         if (
             (a = starred_expression_rule(p))  // starred_expression
         )
         {
+            D(fprintf(stderr, "%*c+ kwarg_or_starred[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "starred_expression"));
             _res = _PyPegen_keyword_or_starred ( p , a , 0 );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s kwarg_or_starred[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "starred_expression"));
     }
     { // invalid_kwarg
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> kwarg_or_starred[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "invalid_kwarg"));
         void *invalid_kwarg_var;
         if (
             (invalid_kwarg_var = invalid_kwarg_rule(p))  // invalid_kwarg
         )
         {
+            D(fprintf(stderr, "%*c+ kwarg_or_starred[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "invalid_kwarg"));
             _res = invalid_kwarg_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s kwarg_or_starred[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "invalid_kwarg"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -10097,13 +12355,16 @@
 static KeywordOrStarred*
 kwarg_or_double_starred_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     KeywordOrStarred* _res = NULL;
     int _mark = p->mark;
     if (p->mark == p->fill && _PyPegen_fill_token(p) < 0) {
         p->error_indicator = 1;
+        D(p->level--);
         return NULL;
     }
     int _start_lineno = p->tokens[_mark]->lineno;
@@ -10112,8 +12373,10 @@
     UNUSED(_start_col_offset); // Only used by EXTRA macro
     { // NAME '=' expression
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> kwarg_or_double_starred[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "NAME '=' expression"));
         Token * _literal;
         expr_ty a;
         expr_ty b;
@@ -10125,8 +12388,10 @@
             (b = expression_rule(p))  // expression
         )
         {
+            D(fprintf(stderr, "%*c+ kwarg_or_double_starred[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "NAME '=' expression"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -10136,16 +12401,21 @@
             _res = _PyPegen_keyword_or_starred ( p , CHECK ( _Py_keyword ( a -> v . Name . id , b , EXTRA ) ) , 1 );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s kwarg_or_double_starred[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "NAME '=' expression"));
     }
     { // '**' expression
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> kwarg_or_double_starred[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'**' expression"));
         Token * _literal;
         expr_ty a;
         if (
@@ -10154,8 +12424,10 @@
             (a = expression_rule(p))  // expression
         )
         {
+            D(fprintf(stderr, "%*c+ kwarg_or_double_starred[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'**' expression"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -10165,28 +12437,37 @@
             _res = _PyPegen_keyword_or_starred ( p , CHECK ( _Py_keyword ( NULL , a , EXTRA ) ) , 1 );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s kwarg_or_double_starred[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'**' expression"));
     }
     { // invalid_kwarg
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> kwarg_or_double_starred[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "invalid_kwarg"));
         void *invalid_kwarg_var;
         if (
             (invalid_kwarg_var = invalid_kwarg_rule(p))  // invalid_kwarg
         )
         {
+            D(fprintf(stderr, "%*c+ kwarg_or_double_starred[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "invalid_kwarg"));
             _res = invalid_kwarg_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s kwarg_or_double_starred[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "invalid_kwarg"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -10194,13 +12475,16 @@
 static expr_ty
 star_targets_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     expr_ty _res = NULL;
     int _mark = p->mark;
     if (p->mark == p->fill && _PyPegen_fill_token(p) < 0) {
         p->error_indicator = 1;
+        D(p->level--);
         return NULL;
     }
     int _start_lineno = p->tokens[_mark]->lineno;
@@ -10209,8 +12493,10 @@
     UNUSED(_start_col_offset); // Only used by EXTRA macro
     { // star_target !','
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> star_targets[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "star_target !','"));
         expr_ty a;
         if (
             (a = star_target_rule(p))  // star_target
@@ -10218,19 +12504,25 @@
             _PyPegen_lookahead_with_int(0, _PyPegen_expect_token, p, 12)  // token=','
         )
         {
+            D(fprintf(stderr, "%*c+ star_targets[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "star_target !','"));
             _res = a;
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s star_targets[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "star_target !','"));
     }
     { // star_target ((',' star_target))* ','?
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> star_targets[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "star_target ((',' star_target))* ','?"));
         void *_opt_var;
         UNUSED(_opt_var); // Silence compiler warnings
         expr_ty a;
@@ -10243,8 +12535,10 @@
             (_opt_var = _PyPegen_expect_token(p, 12), 1)  // ','?
         )
         {
+            D(fprintf(stderr, "%*c+ star_targets[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "star_target ((',' star_target))* ','?"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -10254,14 +12548,18 @@
             _res = _Py_Tuple ( CHECK ( _PyPegen_seq_insert_in_front ( p , a , b ) ) , Store , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s star_targets[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "star_target ((',' star_target))* ','?"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -10269,15 +12567,19 @@
 static asdl_seq*
 star_targets_seq_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     asdl_seq* _res = NULL;
     int _mark = p->mark;
     { // ','.star_target+ ','?
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> star_targets_seq[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "','.star_target+ ','?"));
         void *_opt_var;
         UNUSED(_opt_var); // Silence compiler warnings
         asdl_seq * a;
@@ -10287,17 +12589,22 @@
             (_opt_var = _PyPegen_expect_token(p, 12), 1)  // ','?
         )
         {
+            D(fprintf(stderr, "%*c+ star_targets_seq[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "','.star_target+ ','?"));
             _res = a;
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s star_targets_seq[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "','.star_target+ ','?"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -10309,15 +12616,20 @@
 static expr_ty
 star_target_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     expr_ty _res = NULL;
-    if (_PyPegen_is_memoized(p, star_target_type, &_res))
+    if (_PyPegen_is_memoized(p, star_target_type, &_res)) {
+        D(p->level--);
         return _res;
+    }
     int _mark = p->mark;
     if (p->mark == p->fill && _PyPegen_fill_token(p) < 0) {
         p->error_indicator = 1;
+        D(p->level--);
         return NULL;
     }
     int _start_lineno = p->tokens[_mark]->lineno;
@@ -10326,8 +12638,10 @@
     UNUSED(_start_col_offset); // Only used by EXTRA macro
     { // '*' (!'*' star_target)
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> star_target[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'*' (!'*' star_target)"));
         Token * _literal;
         void *a;
         if (
@@ -10336,8 +12650,10 @@
             (a = _tmp_120_rule(p))  // !'*' star_target
         )
         {
+            D(fprintf(stderr, "%*c+ star_target[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'*' (!'*' star_target)"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -10347,16 +12663,21 @@
             _res = _Py_Starred ( CHECK ( _PyPegen_set_expr_context ( p , a , Store ) ) , Store , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s star_target[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'*' (!'*' star_target)"));
     }
     { // t_primary '.' NAME !t_lookahead
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> star_target[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "t_primary '.' NAME !t_lookahead"));
         Token * _literal;
         expr_ty a;
         expr_ty b;
@@ -10370,8 +12691,10 @@
             _PyPegen_lookahead(0, t_lookahead_rule, p)
         )
         {
+            D(fprintf(stderr, "%*c+ star_target[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "t_primary '.' NAME !t_lookahead"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -10381,16 +12704,21 @@
             _res = _Py_Attribute ( a , b -> v . Name . id , Store , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s star_target[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "t_primary '.' NAME !t_lookahead"));
     }
     { // t_primary '[' slices ']' !t_lookahead
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> star_target[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "t_primary '[' slices ']' !t_lookahead"));
         Token * _literal;
         Token * _literal_1;
         expr_ty a;
@@ -10407,8 +12735,10 @@
             _PyPegen_lookahead(0, t_lookahead_rule, p)
         )
         {
+            D(fprintf(stderr, "%*c+ star_target[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "t_primary '[' slices ']' !t_lookahead"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -10418,29 +12748,38 @@
             _res = _Py_Subscript ( a , b , Store , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s star_target[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "t_primary '[' slices ']' !t_lookahead"));
     }
     { // star_atom
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> star_target[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "star_atom"));
         expr_ty star_atom_var;
         if (
             (star_atom_var = star_atom_rule(p))  // star_atom
         )
         {
+            D(fprintf(stderr, "%*c+ star_target[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "star_atom"));
             _res = star_atom_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s star_target[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "star_atom"));
     }
     _res = NULL;
   done:
     _PyPegen_insert_memo(p, _mark, star_target_type, _res);
+    D(p->level--);
     return _res;
 }
 
@@ -10452,13 +12791,16 @@
 static expr_ty
 star_atom_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     expr_ty _res = NULL;
     int _mark = p->mark;
     if (p->mark == p->fill && _PyPegen_fill_token(p) < 0) {
         p->error_indicator = 1;
+        D(p->level--);
         return NULL;
     }
     int _start_lineno = p->tokens[_mark]->lineno;
@@ -10467,26 +12809,34 @@
     UNUSED(_start_col_offset); // Only used by EXTRA macro
     { // NAME
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> star_atom[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "NAME"));
         expr_ty a;
         if (
             (a = _PyPegen_name_token(p))  // NAME
         )
         {
+            D(fprintf(stderr, "%*c+ star_atom[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "NAME"));
             _res = _PyPegen_set_expr_context ( p , a , Store );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s star_atom[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "NAME"));
     }
     { // '(' star_target ')'
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> star_atom[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'(' star_target ')'"));
         Token * _literal;
         Token * _literal_1;
         expr_ty a;
@@ -10498,19 +12848,25 @@
             (_literal_1 = _PyPegen_expect_token(p, 8))  // token=')'
         )
         {
+            D(fprintf(stderr, "%*c+ star_atom[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'(' star_target ')'"));
             _res = _PyPegen_set_expr_context ( p , a , Store );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s star_atom[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'(' star_target ')'"));
     }
     { // '(' star_targets_seq? ')'
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> star_atom[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'(' star_targets_seq? ')'"));
         Token * _literal;
         Token * _literal_1;
         void *a;
@@ -10522,8 +12878,10 @@
             (_literal_1 = _PyPegen_expect_token(p, 8))  // token=')'
         )
         {
+            D(fprintf(stderr, "%*c+ star_atom[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'(' star_targets_seq? ')'"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -10533,16 +12891,21 @@
             _res = _Py_Tuple ( a , Store , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s star_atom[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'(' star_targets_seq? ')'"));
     }
     { // '[' star_targets_seq? ']'
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> star_atom[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'[' star_targets_seq? ']'"));
         Token * _literal;
         Token * _literal_1;
         void *a;
@@ -10554,8 +12917,10 @@
             (_literal_1 = _PyPegen_expect_token(p, 10))  // token=']'
         )
         {
+            D(fprintf(stderr, "%*c+ star_atom[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'[' star_targets_seq? ']'"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -10565,14 +12930,18 @@
             _res = _Py_List ( a , Store , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s star_atom[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'[' star_targets_seq? ']'"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -10580,47 +12949,62 @@
 static expr_ty
 single_target_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     expr_ty _res = NULL;
     int _mark = p->mark;
     { // single_subscript_attribute_target
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> single_target[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "single_subscript_attribute_target"));
         expr_ty single_subscript_attribute_target_var;
         if (
             (single_subscript_attribute_target_var = single_subscript_attribute_target_rule(p))  // single_subscript_attribute_target
         )
         {
+            D(fprintf(stderr, "%*c+ single_target[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "single_subscript_attribute_target"));
             _res = single_subscript_attribute_target_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s single_target[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "single_subscript_attribute_target"));
     }
     { // NAME
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> single_target[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "NAME"));
         expr_ty a;
         if (
             (a = _PyPegen_name_token(p))  // NAME
         )
         {
+            D(fprintf(stderr, "%*c+ single_target[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "NAME"));
             _res = _PyPegen_set_expr_context ( p , a , Store );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s single_target[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "NAME"));
     }
     { // '(' single_target ')'
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> single_target[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'(' single_target ')'"));
         Token * _literal;
         Token * _literal_1;
         expr_ty a;
@@ -10632,17 +13016,22 @@
             (_literal_1 = _PyPegen_expect_token(p, 8))  // token=')'
         )
         {
+            D(fprintf(stderr, "%*c+ single_target[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'(' single_target ')'"));
             _res = a;
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s single_target[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'(' single_target ')'"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -10652,13 +13041,16 @@
 static expr_ty
 single_subscript_attribute_target_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     expr_ty _res = NULL;
     int _mark = p->mark;
     if (p->mark == p->fill && _PyPegen_fill_token(p) < 0) {
         p->error_indicator = 1;
+        D(p->level--);
         return NULL;
     }
     int _start_lineno = p->tokens[_mark]->lineno;
@@ -10667,8 +13059,10 @@
     UNUSED(_start_col_offset); // Only used by EXTRA macro
     { // t_primary '.' NAME !t_lookahead
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> single_subscript_attribute_target[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "t_primary '.' NAME !t_lookahead"));
         Token * _literal;
         expr_ty a;
         expr_ty b;
@@ -10682,8 +13076,10 @@
             _PyPegen_lookahead(0, t_lookahead_rule, p)
         )
         {
+            D(fprintf(stderr, "%*c+ single_subscript_attribute_target[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "t_primary '.' NAME !t_lookahead"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -10693,16 +13089,21 @@
             _res = _Py_Attribute ( a , b -> v . Name . id , Store , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s single_subscript_attribute_target[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "t_primary '.' NAME !t_lookahead"));
     }
     { // t_primary '[' slices ']' !t_lookahead
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> single_subscript_attribute_target[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "t_primary '[' slices ']' !t_lookahead"));
         Token * _literal;
         Token * _literal_1;
         expr_ty a;
@@ -10719,8 +13120,10 @@
             _PyPegen_lookahead(0, t_lookahead_rule, p)
         )
         {
+            D(fprintf(stderr, "%*c+ single_subscript_attribute_target[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "t_primary '[' slices ']' !t_lookahead"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -10730,14 +13133,18 @@
             _res = _Py_Subscript ( a , b , Store , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s single_subscript_attribute_target[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "t_primary '[' slices ']' !t_lookahead"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -10745,15 +13152,19 @@
 static asdl_seq*
 del_targets_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     asdl_seq* _res = NULL;
     int _mark = p->mark;
     { // ','.del_target+ ','?
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> del_targets[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "','.del_target+ ','?"));
         void *_opt_var;
         UNUSED(_opt_var); // Silence compiler warnings
         asdl_seq * a;
@@ -10763,17 +13174,22 @@
             (_opt_var = _PyPegen_expect_token(p, 12), 1)  // ','?
         )
         {
+            D(fprintf(stderr, "%*c+ del_targets[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "','.del_target+ ','?"));
             _res = a;
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s del_targets[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "','.del_target+ ','?"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -10784,15 +13200,20 @@
 static expr_ty
 del_target_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     expr_ty _res = NULL;
-    if (_PyPegen_is_memoized(p, del_target_type, &_res))
+    if (_PyPegen_is_memoized(p, del_target_type, &_res)) {
+        D(p->level--);
         return _res;
+    }
     int _mark = p->mark;
     if (p->mark == p->fill && _PyPegen_fill_token(p) < 0) {
         p->error_indicator = 1;
+        D(p->level--);
         return NULL;
     }
     int _start_lineno = p->tokens[_mark]->lineno;
@@ -10801,8 +13222,10 @@
     UNUSED(_start_col_offset); // Only used by EXTRA macro
     { // t_primary '.' NAME &del_target_end
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> del_target[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "t_primary '.' NAME &del_target_end"));
         Token * _literal;
         expr_ty a;
         expr_ty b;
@@ -10816,8 +13239,10 @@
             _PyPegen_lookahead(1, del_target_end_rule, p)
         )
         {
+            D(fprintf(stderr, "%*c+ del_target[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "t_primary '.' NAME &del_target_end"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -10827,16 +13252,21 @@
             _res = _Py_Attribute ( a , b -> v . Name . id , Del , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s del_target[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "t_primary '.' NAME &del_target_end"));
     }
     { // t_primary '[' slices ']' &del_target_end
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> del_target[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "t_primary '[' slices ']' &del_target_end"));
         Token * _literal;
         Token * _literal_1;
         expr_ty a;
@@ -10853,8 +13283,10 @@
             _PyPegen_lookahead(1, del_target_end_rule, p)
         )
         {
+            D(fprintf(stderr, "%*c+ del_target[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "t_primary '[' slices ']' &del_target_end"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -10864,29 +13296,38 @@
             _res = _Py_Subscript ( a , b , Del , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s del_target[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "t_primary '[' slices ']' &del_target_end"));
     }
     { // del_t_atom
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> del_target[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "del_t_atom"));
         expr_ty del_t_atom_var;
         if (
             (del_t_atom_var = del_t_atom_rule(p))  // del_t_atom
         )
         {
+            D(fprintf(stderr, "%*c+ del_target[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "del_t_atom"));
             _res = del_t_atom_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s del_target[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "del_t_atom"));
     }
     _res = NULL;
   done:
     _PyPegen_insert_memo(p, _mark, del_target_type, _res);
+    D(p->level--);
     return _res;
 }
 
@@ -10899,13 +13340,16 @@
 static expr_ty
 del_t_atom_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     expr_ty _res = NULL;
     int _mark = p->mark;
     if (p->mark == p->fill && _PyPegen_fill_token(p) < 0) {
         p->error_indicator = 1;
+        D(p->level--);
         return NULL;
     }
     int _start_lineno = p->tokens[_mark]->lineno;
@@ -10914,8 +13358,10 @@
     UNUSED(_start_col_offset); // Only used by EXTRA macro
     { // NAME &del_target_end
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> del_t_atom[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "NAME &del_target_end"));
         expr_ty a;
         if (
             (a = _PyPegen_name_token(p))  // NAME
@@ -10923,19 +13369,25 @@
             _PyPegen_lookahead(1, del_target_end_rule, p)
         )
         {
+            D(fprintf(stderr, "%*c+ del_t_atom[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "NAME &del_target_end"));
             _res = _PyPegen_set_expr_context ( p , a , Del );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s del_t_atom[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "NAME &del_target_end"));
     }
     { // '(' del_target ')'
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> del_t_atom[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'(' del_target ')'"));
         Token * _literal;
         Token * _literal_1;
         expr_ty a;
@@ -10947,19 +13399,25 @@
             (_literal_1 = _PyPegen_expect_token(p, 8))  // token=')'
         )
         {
+            D(fprintf(stderr, "%*c+ del_t_atom[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'(' del_target ')'"));
             _res = _PyPegen_set_expr_context ( p , a , Del );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s del_t_atom[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'(' del_target ')'"));
     }
     { // '(' del_targets? ')'
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> del_t_atom[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'(' del_targets? ')'"));
         Token * _literal;
         Token * _literal_1;
         void *a;
@@ -10971,8 +13429,10 @@
             (_literal_1 = _PyPegen_expect_token(p, 8))  // token=')'
         )
         {
+            D(fprintf(stderr, "%*c+ del_t_atom[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'(' del_targets? ')'"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -10982,16 +13442,21 @@
             _res = _Py_Tuple ( a , Del , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s del_t_atom[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'(' del_targets? ')'"));
     }
     { // '[' del_targets? ']'
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> del_t_atom[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'[' del_targets? ']'"));
         Token * _literal;
         Token * _literal_1;
         void *a;
@@ -11003,8 +13468,10 @@
             (_literal_1 = _PyPegen_expect_token(p, 10))  // token=']'
         )
         {
+            D(fprintf(stderr, "%*c+ del_t_atom[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'[' del_targets? ']'"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -11014,28 +13481,37 @@
             _res = _Py_List ( a , Del , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s del_t_atom[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'[' del_targets? ']'"));
     }
     { // invalid_del_target
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> del_t_atom[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "invalid_del_target"));
         void *invalid_del_target_var;
         if (
             (invalid_del_target_var = invalid_del_target_rule(p))  // invalid_del_target
         )
         {
+            D(fprintf(stderr, "%*c+ del_t_atom[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "invalid_del_target"));
             _res = invalid_del_target_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s del_t_atom[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "invalid_del_target"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -11043,83 +13519,111 @@
 static void *
 del_target_end_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void * _res = NULL;
     int _mark = p->mark;
     { // ')'
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> del_target_end[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "')'"));
         Token * _literal;
         if (
             (_literal = _PyPegen_expect_token(p, 8))  // token=')'
         )
         {
+            D(fprintf(stderr, "%*c+ del_target_end[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "')'"));
             _res = _literal;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s del_target_end[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "')'"));
     }
     { // ']'
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> del_target_end[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "']'"));
         Token * _literal;
         if (
             (_literal = _PyPegen_expect_token(p, 10))  // token=']'
         )
         {
+            D(fprintf(stderr, "%*c+ del_target_end[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "']'"));
             _res = _literal;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s del_target_end[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "']'"));
     }
     { // ','
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> del_target_end[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "','"));
         Token * _literal;
         if (
             (_literal = _PyPegen_expect_token(p, 12))  // token=','
         )
         {
+            D(fprintf(stderr, "%*c+ del_target_end[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "','"));
             _res = _literal;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s del_target_end[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "','"));
     }
     { // ';'
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> del_target_end[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "';'"));
         Token * _literal;
         if (
             (_literal = _PyPegen_expect_token(p, 13))  // token=';'
         )
         {
+            D(fprintf(stderr, "%*c+ del_target_end[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "';'"));
             _res = _literal;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s del_target_end[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "';'"));
     }
     { // NEWLINE
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> del_target_end[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "NEWLINE"));
         Token * newline_var;
         if (
             (newline_var = _PyPegen_expect_token(p, NEWLINE))  // token='NEWLINE'
         )
         {
+            D(fprintf(stderr, "%*c+ del_target_end[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "NEWLINE"));
             _res = newline_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s del_target_end[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "NEWLINE"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -11127,15 +13631,19 @@
 static asdl_seq*
 targets_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     asdl_seq* _res = NULL;
     int _mark = p->mark;
     { // ','.target+ ','?
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> targets[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "','.target+ ','?"));
         void *_opt_var;
         UNUSED(_opt_var); // Silence compiler warnings
         asdl_seq * a;
@@ -11145,17 +13653,22 @@
             (_opt_var = _PyPegen_expect_token(p, 12), 1)  // ','?
         )
         {
+            D(fprintf(stderr, "%*c+ targets[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "','.target+ ','?"));
             _res = a;
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s targets[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "','.target+ ','?"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -11166,15 +13679,20 @@
 static expr_ty
 target_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     expr_ty _res = NULL;
-    if (_PyPegen_is_memoized(p, target_type, &_res))
+    if (_PyPegen_is_memoized(p, target_type, &_res)) {
+        D(p->level--);
         return _res;
+    }
     int _mark = p->mark;
     if (p->mark == p->fill && _PyPegen_fill_token(p) < 0) {
         p->error_indicator = 1;
+        D(p->level--);
         return NULL;
     }
     int _start_lineno = p->tokens[_mark]->lineno;
@@ -11183,8 +13701,10 @@
     UNUSED(_start_col_offset); // Only used by EXTRA macro
     { // t_primary '.' NAME !t_lookahead
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> target[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "t_primary '.' NAME !t_lookahead"));
         Token * _literal;
         expr_ty a;
         expr_ty b;
@@ -11198,8 +13718,10 @@
             _PyPegen_lookahead(0, t_lookahead_rule, p)
         )
         {
+            D(fprintf(stderr, "%*c+ target[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "t_primary '.' NAME !t_lookahead"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -11209,16 +13731,21 @@
             _res = _Py_Attribute ( a , b -> v . Name . id , Store , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s target[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "t_primary '.' NAME !t_lookahead"));
     }
     { // t_primary '[' slices ']' !t_lookahead
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> target[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "t_primary '[' slices ']' !t_lookahead"));
         Token * _literal;
         Token * _literal_1;
         expr_ty a;
@@ -11235,8 +13762,10 @@
             _PyPegen_lookahead(0, t_lookahead_rule, p)
         )
         {
+            D(fprintf(stderr, "%*c+ target[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "t_primary '[' slices ']' !t_lookahead"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -11246,29 +13775,38 @@
             _res = _Py_Subscript ( a , b , Store , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s target[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "t_primary '[' slices ']' !t_lookahead"));
     }
     { // t_atom
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> target[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "t_atom"));
         expr_ty t_atom_var;
         if (
             (t_atom_var = t_atom_rule(p))  // t_atom
         )
         {
+            D(fprintf(stderr, "%*c+ target[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "t_atom"));
             _res = t_atom_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s target[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "t_atom"));
     }
     _res = NULL;
   done:
     _PyPegen_insert_memo(p, _mark, target_type, _res);
+    D(p->level--);
     return _res;
 }
 
@@ -11283,14 +13821,18 @@
 static expr_ty
 t_primary_rule(Parser *p)
 {
+    D(p->level++);
     expr_ty _res = NULL;
-    if (_PyPegen_is_memoized(p, t_primary_type, &_res))
+    if (_PyPegen_is_memoized(p, t_primary_type, &_res)) {
+        D(p->level--);
         return _res;
+    }
     int _mark = p->mark;
     int _resmark = p->mark;
     while (1) {
         int tmpvar_8 = _PyPegen_update_memo(p, _mark, t_primary_type, _res);
         if (tmpvar_8) {
+            D(p->level--);
             return _res;
         }
         p->mark = _mark;
@@ -11301,18 +13843,22 @@
         _res = _raw;
     }
     p->mark = _resmark;
+    D(p->level--);
     return _res;
 }
 static expr_ty
 t_primary_raw(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     expr_ty _res = NULL;
     int _mark = p->mark;
     if (p->mark == p->fill && _PyPegen_fill_token(p) < 0) {
         p->error_indicator = 1;
+        D(p->level--);
         return NULL;
     }
     int _start_lineno = p->tokens[_mark]->lineno;
@@ -11321,8 +13867,10 @@
     UNUSED(_start_col_offset); // Only used by EXTRA macro
     { // t_primary '.' NAME &t_lookahead
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> t_primary[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "t_primary '.' NAME &t_lookahead"));
         Token * _literal;
         expr_ty a;
         expr_ty b;
@@ -11336,8 +13884,10 @@
             _PyPegen_lookahead(1, t_lookahead_rule, p)
         )
         {
+            D(fprintf(stderr, "%*c+ t_primary[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "t_primary '.' NAME &t_lookahead"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -11347,16 +13897,21 @@
             _res = _Py_Attribute ( a , b -> v . Name . id , Load , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s t_primary[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "t_primary '.' NAME &t_lookahead"));
     }
     { // t_primary '[' slices ']' &t_lookahead
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> t_primary[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "t_primary '[' slices ']' &t_lookahead"));
         Token * _literal;
         Token * _literal_1;
         expr_ty a;
@@ -11373,8 +13928,10 @@
             _PyPegen_lookahead(1, t_lookahead_rule, p)
         )
         {
+            D(fprintf(stderr, "%*c+ t_primary[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "t_primary '[' slices ']' &t_lookahead"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -11384,16 +13941,21 @@
             _res = _Py_Subscript ( a , b , Load , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s t_primary[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "t_primary '[' slices ']' &t_lookahead"));
     }
     { // t_primary genexp &t_lookahead
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> t_primary[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "t_primary genexp &t_lookahead"));
         expr_ty a;
         expr_ty b;
         if (
@@ -11404,8 +13966,10 @@
             _PyPegen_lookahead(1, t_lookahead_rule, p)
         )
         {
+            D(fprintf(stderr, "%*c+ t_primary[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "t_primary genexp &t_lookahead"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -11415,16 +13979,21 @@
             _res = _Py_Call ( a , CHECK ( _PyPegen_singleton_seq ( p , b ) ) , NULL , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s t_primary[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "t_primary genexp &t_lookahead"));
     }
     { // t_primary '(' arguments? ')' &t_lookahead
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> t_primary[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "t_primary '(' arguments? ')' &t_lookahead"));
         Token * _literal;
         Token * _literal_1;
         expr_ty a;
@@ -11441,8 +14010,10 @@
             _PyPegen_lookahead(1, t_lookahead_rule, p)
         )
         {
+            D(fprintf(stderr, "%*c+ t_primary[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "t_primary '(' arguments? ')' &t_lookahead"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -11452,16 +14023,21 @@
             _res = _Py_Call ( a , ( b ) ? ( ( expr_ty ) b ) -> v . Call . args : NULL , ( b ) ? ( ( expr_ty ) b ) -> v . Call . keywords : NULL , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s t_primary[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "t_primary '(' arguments? ')' &t_lookahead"));
     }
     { // atom &t_lookahead
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> t_primary[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "atom &t_lookahead"));
         expr_ty a;
         if (
             (a = atom_rule(p))  // atom
@@ -11469,17 +14045,22 @@
             _PyPegen_lookahead(1, t_lookahead_rule, p)
         )
         {
+            D(fprintf(stderr, "%*c+ t_primary[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "atom &t_lookahead"));
             _res = a;
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s t_primary[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "atom &t_lookahead"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -11487,55 +14068,73 @@
 static void *
 t_lookahead_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void * _res = NULL;
     int _mark = p->mark;
     { // '('
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> t_lookahead[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'('"));
         Token * _literal;
         if (
             (_literal = _PyPegen_expect_token(p, 7))  // token='('
         )
         {
+            D(fprintf(stderr, "%*c+ t_lookahead[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'('"));
             _res = _literal;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s t_lookahead[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'('"));
     }
     { // '['
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> t_lookahead[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'['"));
         Token * _literal;
         if (
             (_literal = _PyPegen_expect_token(p, 9))  // token='['
         )
         {
+            D(fprintf(stderr, "%*c+ t_lookahead[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'['"));
             _res = _literal;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s t_lookahead[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'['"));
     }
     { // '.'
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> t_lookahead[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'.'"));
         Token * _literal;
         if (
             (_literal = _PyPegen_expect_token(p, 23))  // token='.'
         )
         {
+            D(fprintf(stderr, "%*c+ t_lookahead[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'.'"));
             _res = _literal;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s t_lookahead[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'.'"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -11543,13 +14142,16 @@
 static expr_ty
 t_atom_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     expr_ty _res = NULL;
     int _mark = p->mark;
     if (p->mark == p->fill && _PyPegen_fill_token(p) < 0) {
         p->error_indicator = 1;
+        D(p->level--);
         return NULL;
     }
     int _start_lineno = p->tokens[_mark]->lineno;
@@ -11558,26 +14160,34 @@
     UNUSED(_start_col_offset); // Only used by EXTRA macro
     { // NAME
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> t_atom[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "NAME"));
         expr_ty a;
         if (
             (a = _PyPegen_name_token(p))  // NAME
         )
         {
+            D(fprintf(stderr, "%*c+ t_atom[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "NAME"));
             _res = _PyPegen_set_expr_context ( p , a , Store );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s t_atom[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "NAME"));
     }
     { // '(' target ')'
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> t_atom[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'(' target ')'"));
         Token * _literal;
         Token * _literal_1;
         expr_ty a;
@@ -11589,19 +14199,25 @@
             (_literal_1 = _PyPegen_expect_token(p, 8))  // token=')'
         )
         {
+            D(fprintf(stderr, "%*c+ t_atom[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'(' target ')'"));
             _res = _PyPegen_set_expr_context ( p , a , Store );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s t_atom[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'(' target ')'"));
     }
     { // '(' targets? ')'
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> t_atom[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'(' targets? ')'"));
         Token * _literal;
         Token * _literal_1;
         void *b;
@@ -11613,8 +14229,10 @@
             (_literal_1 = _PyPegen_expect_token(p, 8))  // token=')'
         )
         {
+            D(fprintf(stderr, "%*c+ t_atom[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'(' targets? ')'"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -11624,16 +14242,21 @@
             _res = _Py_Tuple ( b , Store , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s t_atom[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'(' targets? ')'"));
     }
     { // '[' targets? ']'
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> t_atom[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'[' targets? ']'"));
         Token * _literal;
         Token * _literal_1;
         void *b;
@@ -11645,8 +14268,10 @@
             (_literal_1 = _PyPegen_expect_token(p, 10))  // token=']'
         )
         {
+            D(fprintf(stderr, "%*c+ t_atom[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'[' targets? ']'"));
             Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);
             if (_token == NULL) {
+                D(p->level--);
                 return NULL;
             }
             int _end_lineno = _token->end_lineno;
@@ -11656,14 +14281,18 @@
             _res = _Py_List ( b , Store , EXTRA );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s t_atom[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'[' targets? ']'"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -11676,15 +14305,19 @@
 static void *
 incorrect_arguments_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void * _res = NULL;
     int _mark = p->mark;
     { // args ',' '*'
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> incorrect_arguments[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "args ',' '*'"));
         Token * _literal;
         Token * _literal_1;
         expr_ty args_var;
@@ -11696,19 +14329,25 @@
             (_literal_1 = _PyPegen_expect_token(p, 16))  // token='*'
         )
         {
+            D(fprintf(stderr, "%*c+ incorrect_arguments[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "args ',' '*'"));
             _res = RAISE_SYNTAX_ERROR ( "iterable argument unpacking follows keyword argument unpacking" );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s incorrect_arguments[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "args ',' '*'"));
     }
     { // expression for_if_clauses ',' [args | expression for_if_clauses]
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> incorrect_arguments[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "expression for_if_clauses ',' [args | expression for_if_clauses]"));
         Token * _literal;
         void *_opt_var;
         UNUSED(_opt_var); // Silence compiler warnings
@@ -11724,19 +14363,25 @@
             (_opt_var = _tmp_125_rule(p), 1)  // [args | expression for_if_clauses]
         )
         {
+            D(fprintf(stderr, "%*c+ incorrect_arguments[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "expression for_if_clauses ',' [args | expression for_if_clauses]"));
             _res = RAISE_SYNTAX_ERROR_KNOWN_LOCATION ( a , "Generator expression must be parenthesized" );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s incorrect_arguments[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "expression for_if_clauses ',' [args | expression for_if_clauses]"));
     }
     { // args for_if_clauses
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> incorrect_arguments[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "args for_if_clauses"));
         expr_ty a;
         asdl_seq* for_if_clauses_var;
         if (
@@ -11745,19 +14390,25 @@
             (for_if_clauses_var = for_if_clauses_rule(p))  // for_if_clauses
         )
         {
+            D(fprintf(stderr, "%*c+ incorrect_arguments[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "args for_if_clauses"));
             _res = _PyPegen_nonparen_genexp_in_call ( p , a );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s incorrect_arguments[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "args for_if_clauses"));
     }
     { // args ',' expression for_if_clauses
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> incorrect_arguments[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "args ',' expression for_if_clauses"));
         Token * _literal;
         expr_ty a;
         expr_ty args_var;
@@ -11772,19 +14423,25 @@
             (for_if_clauses_var = for_if_clauses_rule(p))  // for_if_clauses
         )
         {
+            D(fprintf(stderr, "%*c+ incorrect_arguments[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "args ',' expression for_if_clauses"));
             _res = RAISE_SYNTAX_ERROR_KNOWN_LOCATION ( a , "Generator expression must be parenthesized" );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s incorrect_arguments[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "args ',' expression for_if_clauses"));
     }
     { // args ',' args
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> incorrect_arguments[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "args ',' args"));
         Token * _literal;
         expr_ty a;
         expr_ty args_var;
@@ -11796,17 +14453,22 @@
             (args_var = args_rule(p))  // args
         )
         {
+            D(fprintf(stderr, "%*c+ incorrect_arguments[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "args ',' args"));
             _res = _PyPegen_arguments_parsing_error ( p , a );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s incorrect_arguments[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "args ',' args"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -11814,15 +14476,19 @@
 static void *
 invalid_kwarg_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void * _res = NULL;
     int _mark = p->mark;
     { // expression '='
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> invalid_kwarg[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "expression '='"));
         Token * _literal;
         expr_ty a;
         if (
@@ -11831,17 +14497,22 @@
             (_literal = _PyPegen_expect_token(p, 22))  // token='='
         )
         {
+            D(fprintf(stderr, "%*c+ invalid_kwarg[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "expression '='"));
             _res = RAISE_SYNTAX_ERROR_KNOWN_LOCATION ( a , "expression cannot contain assignment, perhaps you meant \"==\"?" );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s invalid_kwarg[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "expression '='"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -11849,15 +14520,19 @@
 static void *
 invalid_named_expression_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void * _res = NULL;
     int _mark = p->mark;
     { // expression ':=' expression
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> invalid_named_expression[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "expression ':=' expression"));
         Token * _literal;
         expr_ty a;
         expr_ty expression_var;
@@ -11869,17 +14544,22 @@
             (expression_var = expression_rule(p))  // expression
         )
         {
+            D(fprintf(stderr, "%*c+ invalid_named_expression[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "expression ':=' expression"));
             _res = RAISE_SYNTAX_ERROR_KNOWN_LOCATION ( a , "cannot use assignment expressions with %s" , _PyPegen_get_expr_name ( a ) );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s invalid_named_expression[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "expression ':=' expression"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -11893,15 +14573,19 @@
 static void *
 invalid_assignment_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void * _res = NULL;
     int _mark = p->mark;
     { // list ':'
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> invalid_assignment[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "list ':'"));
         Token * _literal;
         expr_ty a;
         if (
@@ -11910,19 +14594,25 @@
             (_literal = _PyPegen_expect_token(p, 11))  // token=':'
         )
         {
+            D(fprintf(stderr, "%*c+ invalid_assignment[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "list ':'"));
             _res = RAISE_SYNTAX_ERROR_KNOWN_LOCATION ( a , "only single target (not list) can be annotated" );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s invalid_assignment[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "list ':'"));
     }
     { // tuple ':'
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> invalid_assignment[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "tuple ':'"));
         Token * _literal;
         expr_ty a;
         if (
@@ -11931,19 +14621,25 @@
             (_literal = _PyPegen_expect_token(p, 11))  // token=':'
         )
         {
+            D(fprintf(stderr, "%*c+ invalid_assignment[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "tuple ':'"));
             _res = RAISE_SYNTAX_ERROR_KNOWN_LOCATION ( a , "only single target (not tuple) can be annotated" );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s invalid_assignment[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "tuple ':'"));
     }
     { // star_named_expression ',' star_named_expressions* ':'
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> invalid_assignment[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "star_named_expression ',' star_named_expressions* ':'"));
         Token * _literal;
         Token * _literal_1;
         asdl_seq * _loop0_126_var;
@@ -11958,19 +14654,25 @@
             (_literal_1 = _PyPegen_expect_token(p, 11))  // token=':'
         )
         {
+            D(fprintf(stderr, "%*c+ invalid_assignment[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "star_named_expression ',' star_named_expressions* ':'"));
             _res = RAISE_SYNTAX_ERROR_KNOWN_LOCATION ( a , "only single target (not tuple) can be annotated" );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s invalid_assignment[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "star_named_expression ',' star_named_expressions* ':'"));
     }
     { // expression ':' expression ['=' annotated_rhs]
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> invalid_assignment[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "expression ':' expression ['=' annotated_rhs]"));
         Token * _literal;
         void *_opt_var;
         UNUSED(_opt_var); // Silence compiler warnings
@@ -11986,19 +14688,25 @@
             (_opt_var = _tmp_127_rule(p), 1)  // ['=' annotated_rhs]
         )
         {
+            D(fprintf(stderr, "%*c+ invalid_assignment[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "expression ':' expression ['=' annotated_rhs]"));
             _res = RAISE_SYNTAX_ERROR_KNOWN_LOCATION ( a , "illegal target for annotation" );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s invalid_assignment[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "expression ':' expression ['=' annotated_rhs]"));
     }
     { // star_expressions '=' (yield_expr | star_expressions)
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> invalid_assignment[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "star_expressions '=' (yield_expr | star_expressions)"));
         Token * _literal;
         void *_tmp_128_var;
         expr_ty a;
@@ -12010,19 +14718,25 @@
             (_tmp_128_var = _tmp_128_rule(p))  // yield_expr | star_expressions
         )
         {
+            D(fprintf(stderr, "%*c+ invalid_assignment[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "star_expressions '=' (yield_expr | star_expressions)"));
             _res = RAISE_SYNTAX_ERROR_KNOWN_LOCATION ( _PyPegen_get_invalid_target ( a ) , "cannot assign to %s" , _PyPegen_get_expr_name ( _PyPegen_get_invalid_target ( a ) ) );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s invalid_assignment[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "star_expressions '=' (yield_expr | star_expressions)"));
     }
     { // star_expressions augassign (yield_expr | star_expressions)
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> invalid_assignment[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "star_expressions augassign (yield_expr | star_expressions)"));
         void *_tmp_129_var;
         expr_ty a;
         AugOperator* augassign_var;
@@ -12034,17 +14748,22 @@
             (_tmp_129_var = _tmp_129_rule(p))  // yield_expr | star_expressions
         )
         {
+            D(fprintf(stderr, "%*c+ invalid_assignment[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "star_expressions augassign (yield_expr | star_expressions)"));
             _res = RAISE_SYNTAX_ERROR_KNOWN_LOCATION ( a , "'%s' is an illegal expression for augmented assignment" , _PyPegen_get_expr_name ( a ) );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s invalid_assignment[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "star_expressions augassign (yield_expr | star_expressions)"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -12052,15 +14771,19 @@
 static void *
 invalid_block_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void * _res = NULL;
     int _mark = p->mark;
     { // NEWLINE !INDENT
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> invalid_block[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "NEWLINE !INDENT"));
         Token * newline_var;
         if (
             (newline_var = _PyPegen_expect_token(p, NEWLINE))  // token='NEWLINE'
@@ -12068,17 +14791,22 @@
             _PyPegen_lookahead_with_int(0, _PyPegen_expect_token, p, INDENT)  // token=INDENT
         )
         {
+            D(fprintf(stderr, "%*c+ invalid_block[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "NEWLINE !INDENT"));
             _res = RAISE_INDENTATION_ERROR ( "expected an indented block" );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s invalid_block[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "NEWLINE !INDENT"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -12086,15 +14814,19 @@
 static void *
 invalid_comprehension_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void * _res = NULL;
     int _mark = p->mark;
     { // ('[' | '(' | '{') starred_expression for_if_clauses
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> invalid_comprehension[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "('[' | '(' | '{') starred_expression for_if_clauses"));
         void *_tmp_130_var;
         expr_ty a;
         asdl_seq* for_if_clauses_var;
@@ -12106,17 +14838,22 @@
             (for_if_clauses_var = for_if_clauses_rule(p))  // for_if_clauses
         )
         {
+            D(fprintf(stderr, "%*c+ invalid_comprehension[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "('[' | '(' | '{') starred_expression for_if_clauses"));
             _res = RAISE_SYNTAX_ERROR_KNOWN_LOCATION ( a , "iterable unpacking cannot be used in comprehension" );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s invalid_comprehension[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "('[' | '(' | '{') starred_expression for_if_clauses"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -12124,15 +14861,19 @@
 static void *
 invalid_dict_comprehension_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void * _res = NULL;
     int _mark = p->mark;
     { // '{' '**' bitwise_or for_if_clauses '}'
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> invalid_dict_comprehension[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'{' '**' bitwise_or for_if_clauses '}'"));
         Token * _literal;
         Token * _literal_1;
         Token * a;
@@ -12150,17 +14891,22 @@
             (_literal_1 = _PyPegen_expect_token(p, 26))  // token='}'
         )
         {
+            D(fprintf(stderr, "%*c+ invalid_dict_comprehension[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'{' '**' bitwise_or for_if_clauses '}'"));
             _res = RAISE_SYNTAX_ERROR_KNOWN_LOCATION ( a , "dict unpacking cannot be used in dict comprehension" );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s invalid_dict_comprehension[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'{' '**' bitwise_or for_if_clauses '}'"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -12169,15 +14915,19 @@
 static void *
 invalid_parameters_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void * _res = NULL;
     int _mark = p->mark;
     { // param_no_default* (slash_with_default | param_with_default+) param_no_default
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> invalid_parameters[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "param_no_default* (slash_with_default | param_with_default+) param_no_default"));
         asdl_seq * _loop0_131_var;
         void *_tmp_132_var;
         arg_ty param_no_default_var;
@@ -12189,17 +14939,22 @@
             (param_no_default_var = param_no_default_rule(p))  // param_no_default
         )
         {
+            D(fprintf(stderr, "%*c+ invalid_parameters[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "param_no_default* (slash_with_default | param_with_default+) param_no_default"));
             _res = RAISE_SYNTAX_ERROR ( "non-default argument follows default argument" );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s invalid_parameters[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "param_no_default* (slash_with_default | param_with_default+) param_no_default"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -12207,15 +14962,19 @@
 static void *
 invalid_star_etc_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void * _res = NULL;
     int _mark = p->mark;
     { // '*' (')' | ',' (')' | '**'))
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> invalid_star_etc[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'*' (')' | ',' (')' | '**'))"));
         Token * _literal;
         void *_tmp_133_var;
         if (
@@ -12224,19 +14983,25 @@
             (_tmp_133_var = _tmp_133_rule(p))  // ')' | ',' (')' | '**')
         )
         {
+            D(fprintf(stderr, "%*c+ invalid_star_etc[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'*' (')' | ',' (')' | '**'))"));
             _res = RAISE_SYNTAX_ERROR ( "named arguments must follow bare *" );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s invalid_star_etc[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'*' (')' | ',' (')' | '**'))"));
     }
     { // '*' ',' TYPE_COMMENT
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> invalid_star_etc[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'*' ',' TYPE_COMMENT"));
         Token * _literal;
         Token * _literal_1;
         Token * type_comment_var;
@@ -12248,17 +15013,22 @@
             (type_comment_var = _PyPegen_expect_token(p, TYPE_COMMENT))  // token='TYPE_COMMENT'
         )
         {
+            D(fprintf(stderr, "%*c+ invalid_star_etc[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'*' ',' TYPE_COMMENT"));
             _res = RAISE_SYNTAX_ERROR ( "bare * has associated type comment" );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s invalid_star_etc[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'*' ',' TYPE_COMMENT"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -12266,15 +15036,19 @@
 static void *
 invalid_lambda_star_etc_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void * _res = NULL;
     int _mark = p->mark;
     { // '*' (':' | ',' (':' | '**'))
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> invalid_lambda_star_etc[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'*' (':' | ',' (':' | '**'))"));
         Token * _literal;
         void *_tmp_134_var;
         if (
@@ -12283,17 +15057,22 @@
             (_tmp_134_var = _tmp_134_rule(p))  // ':' | ',' (':' | '**')
         )
         {
+            D(fprintf(stderr, "%*c+ invalid_lambda_star_etc[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'*' (':' | ',' (':' | '**'))"));
             _res = RAISE_SYNTAX_ERROR ( "named arguments must follow bare *" );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s invalid_lambda_star_etc[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'*' (':' | ',' (':' | '**'))"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -12301,15 +15080,19 @@
 static void *
 invalid_double_type_comments_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void * _res = NULL;
     int _mark = p->mark;
     { // TYPE_COMMENT NEWLINE TYPE_COMMENT NEWLINE INDENT
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> invalid_double_type_comments[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "TYPE_COMMENT NEWLINE TYPE_COMMENT NEWLINE INDENT"));
         Token * indent_var;
         Token * newline_var;
         Token * newline_var_1;
@@ -12327,17 +15110,22 @@
             (indent_var = _PyPegen_expect_token(p, INDENT))  // token='INDENT'
         )
         {
+            D(fprintf(stderr, "%*c+ invalid_double_type_comments[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "TYPE_COMMENT NEWLINE TYPE_COMMENT NEWLINE INDENT"));
             _res = RAISE_SYNTAX_ERROR ( "Cannot have two type comments on def" );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s invalid_double_type_comments[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "TYPE_COMMENT NEWLINE TYPE_COMMENT NEWLINE INDENT"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -12345,15 +15133,19 @@
 static void *
 invalid_del_target_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void * _res = NULL;
     int _mark = p->mark;
     { // star_expression &del_target_end
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> invalid_del_target[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "star_expression &del_target_end"));
         expr_ty a;
         if (
             (a = star_expression_rule(p))  // star_expression
@@ -12361,17 +15153,22 @@
             _PyPegen_lookahead(1, del_target_end_rule, p)
         )
         {
+            D(fprintf(stderr, "%*c+ invalid_del_target[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "star_expression &del_target_end"));
             _res = RAISE_SYNTAX_ERROR_KNOWN_LOCATION ( a , "cannot delete %s" , _PyPegen_get_expr_name ( a ) );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s invalid_del_target[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "star_expression &del_target_end"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -12379,15 +15176,19 @@
 static void *
 invalid_import_from_targets_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void * _res = NULL;
     int _mark = p->mark;
     { // import_from_as_names ','
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> invalid_import_from_targets[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "import_from_as_names ','"));
         Token * _literal;
         asdl_seq* import_from_as_names_var;
         if (
@@ -12396,17 +15197,22 @@
             (_literal = _PyPegen_expect_token(p, 12))  // token=','
         )
         {
+            D(fprintf(stderr, "%*c+ invalid_import_from_targets[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "import_from_as_names ','"));
             _res = RAISE_SYNTAX_ERROR ( "trailing comma not allowed without surrounding parentheses" );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s invalid_import_from_targets[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "import_from_as_names ','"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -12414,7 +15220,9 @@
 static asdl_seq *
 _loop0_1_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void *_res = NULL;
@@ -12424,14 +15232,17 @@
     if (!_children) {
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     ssize_t _children_capacity = 1;
     ssize_t _n = 0;
     { // NEWLINE
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _loop0_1[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "NEWLINE"));
         Token * newline_var;
         while (
             (newline_var = _PyPegen_expect_token(p, NEWLINE))  // token='NEWLINE'
@@ -12444,6 +15255,7 @@
                 if (!_new_children) {
                     p->error_indicator = 1;
                     PyErr_NoMemory();
+                    D(p->level--);
                     return NULL;
                 }
                 _children = _new_children;
@@ -12452,17 +15264,21 @@
             _mark = p->mark;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _loop0_1[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "NEWLINE"));
     }
     asdl_seq *_seq = _Py_asdl_seq_new(_n, p->arena);
     if (!_seq) {
         PyMem_Free(_children);
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     for (int i = 0; i < _n; i++) asdl_seq_SET(_seq, i, _children[i]);
     PyMem_Free(_children);
     _PyPegen_insert_memo(p, _start_mark, _loop0_1_type, _seq);
+    D(p->level--);
     return _seq;
 }
 
@@ -12470,7 +15286,9 @@
 static asdl_seq *
 _loop0_2_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void *_res = NULL;
@@ -12480,14 +15298,17 @@
     if (!_children) {
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     ssize_t _children_capacity = 1;
     ssize_t _n = 0;
     { // NEWLINE
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _loop0_2[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "NEWLINE"));
         Token * newline_var;
         while (
             (newline_var = _PyPegen_expect_token(p, NEWLINE))  // token='NEWLINE'
@@ -12500,6 +15321,7 @@
                 if (!_new_children) {
                     p->error_indicator = 1;
                     PyErr_NoMemory();
+                    D(p->level--);
                     return NULL;
                 }
                 _children = _new_children;
@@ -12508,17 +15330,21 @@
             _mark = p->mark;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _loop0_2[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "NEWLINE"));
     }
     asdl_seq *_seq = _Py_asdl_seq_new(_n, p->arena);
     if (!_seq) {
         PyMem_Free(_children);
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     for (int i = 0; i < _n; i++) asdl_seq_SET(_seq, i, _children[i]);
     PyMem_Free(_children);
     _PyPegen_insert_memo(p, _start_mark, _loop0_2_type, _seq);
+    D(p->level--);
     return _seq;
 }
 
@@ -12526,7 +15352,9 @@
 static asdl_seq *
 _loop0_4_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void *_res = NULL;
@@ -12536,14 +15364,17 @@
     if (!_children) {
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     ssize_t _children_capacity = 1;
     ssize_t _n = 0;
     { // ',' expression
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _loop0_4[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "',' expression"));
         Token * _literal;
         expr_ty elem;
         while (
@@ -12556,6 +15387,7 @@
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
                 PyMem_Free(_children);
+                D(p->level--);
                 return NULL;
             }
             if (_n == _children_capacity) {
@@ -12564,6 +15396,7 @@
                 if (!_new_children) {
                     p->error_indicator = 1;
                     PyErr_NoMemory();
+                    D(p->level--);
                     return NULL;
                 }
                 _children = _new_children;
@@ -12572,17 +15405,21 @@
             _mark = p->mark;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _loop0_4[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "',' expression"));
     }
     asdl_seq *_seq = _Py_asdl_seq_new(_n, p->arena);
     if (!_seq) {
         PyMem_Free(_children);
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     for (int i = 0; i < _n; i++) asdl_seq_SET(_seq, i, _children[i]);
     PyMem_Free(_children);
     _PyPegen_insert_memo(p, _start_mark, _loop0_4_type, _seq);
+    D(p->level--);
     return _seq;
 }
 
@@ -12590,15 +15427,19 @@
 static asdl_seq *
 _gather_3_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     asdl_seq * _res = NULL;
     int _mark = p->mark;
     { // expression _loop0_4
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _gather_3[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "expression _loop0_4"));
         expr_ty elem;
         asdl_seq * seq;
         if (
@@ -12607,13 +15448,17 @@
             (seq = _loop0_4_rule(p))  // _loop0_4
         )
         {
+            D(fprintf(stderr, "%*c+ _gather_3[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "expression _loop0_4"));
             _res = _PyPegen_seq_insert_in_front(p, elem, seq);
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _gather_3[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "expression _loop0_4"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -12621,7 +15466,9 @@
 static asdl_seq *
 _loop0_6_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void *_res = NULL;
@@ -12631,14 +15478,17 @@
     if (!_children) {
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     ssize_t _children_capacity = 1;
     ssize_t _n = 0;
     { // ',' expression
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _loop0_6[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "',' expression"));
         Token * _literal;
         expr_ty elem;
         while (
@@ -12651,6 +15501,7 @@
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
                 PyMem_Free(_children);
+                D(p->level--);
                 return NULL;
             }
             if (_n == _children_capacity) {
@@ -12659,6 +15510,7 @@
                 if (!_new_children) {
                     p->error_indicator = 1;
                     PyErr_NoMemory();
+                    D(p->level--);
                     return NULL;
                 }
                 _children = _new_children;
@@ -12667,17 +15519,21 @@
             _mark = p->mark;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _loop0_6[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "',' expression"));
     }
     asdl_seq *_seq = _Py_asdl_seq_new(_n, p->arena);
     if (!_seq) {
         PyMem_Free(_children);
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     for (int i = 0; i < _n; i++) asdl_seq_SET(_seq, i, _children[i]);
     PyMem_Free(_children);
     _PyPegen_insert_memo(p, _start_mark, _loop0_6_type, _seq);
+    D(p->level--);
     return _seq;
 }
 
@@ -12685,15 +15541,19 @@
 static asdl_seq *
 _gather_5_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     asdl_seq * _res = NULL;
     int _mark = p->mark;
     { // expression _loop0_6
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _gather_5[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "expression _loop0_6"));
         expr_ty elem;
         asdl_seq * seq;
         if (
@@ -12702,13 +15562,17 @@
             (seq = _loop0_6_rule(p))  // _loop0_6
         )
         {
+            D(fprintf(stderr, "%*c+ _gather_5[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "expression _loop0_6"));
             _res = _PyPegen_seq_insert_in_front(p, elem, seq);
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _gather_5[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "expression _loop0_6"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -12716,7 +15580,9 @@
 static asdl_seq *
 _loop0_8_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void *_res = NULL;
@@ -12726,14 +15592,17 @@
     if (!_children) {
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     ssize_t _children_capacity = 1;
     ssize_t _n = 0;
     { // ',' expression
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _loop0_8[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "',' expression"));
         Token * _literal;
         expr_ty elem;
         while (
@@ -12746,6 +15615,7 @@
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
                 PyMem_Free(_children);
+                D(p->level--);
                 return NULL;
             }
             if (_n == _children_capacity) {
@@ -12754,6 +15624,7 @@
                 if (!_new_children) {
                     p->error_indicator = 1;
                     PyErr_NoMemory();
+                    D(p->level--);
                     return NULL;
                 }
                 _children = _new_children;
@@ -12762,17 +15633,21 @@
             _mark = p->mark;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _loop0_8[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "',' expression"));
     }
     asdl_seq *_seq = _Py_asdl_seq_new(_n, p->arena);
     if (!_seq) {
         PyMem_Free(_children);
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     for (int i = 0; i < _n; i++) asdl_seq_SET(_seq, i, _children[i]);
     PyMem_Free(_children);
     _PyPegen_insert_memo(p, _start_mark, _loop0_8_type, _seq);
+    D(p->level--);
     return _seq;
 }
 
@@ -12780,15 +15655,19 @@
 static asdl_seq *
 _gather_7_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     asdl_seq * _res = NULL;
     int _mark = p->mark;
     { // expression _loop0_8
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _gather_7[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "expression _loop0_8"));
         expr_ty elem;
         asdl_seq * seq;
         if (
@@ -12797,13 +15676,17 @@
             (seq = _loop0_8_rule(p))  // _loop0_8
         )
         {
+            D(fprintf(stderr, "%*c+ _gather_7[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "expression _loop0_8"));
             _res = _PyPegen_seq_insert_in_front(p, elem, seq);
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _gather_7[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "expression _loop0_8"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -12811,7 +15694,9 @@
 static asdl_seq *
 _loop0_10_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void *_res = NULL;
@@ -12821,14 +15706,17 @@
     if (!_children) {
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     ssize_t _children_capacity = 1;
     ssize_t _n = 0;
     { // ',' expression
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _loop0_10[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "',' expression"));
         Token * _literal;
         expr_ty elem;
         while (
@@ -12841,6 +15729,7 @@
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
                 PyMem_Free(_children);
+                D(p->level--);
                 return NULL;
             }
             if (_n == _children_capacity) {
@@ -12849,6 +15738,7 @@
                 if (!_new_children) {
                     p->error_indicator = 1;
                     PyErr_NoMemory();
+                    D(p->level--);
                     return NULL;
                 }
                 _children = _new_children;
@@ -12857,17 +15747,21 @@
             _mark = p->mark;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _loop0_10[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "',' expression"));
     }
     asdl_seq *_seq = _Py_asdl_seq_new(_n, p->arena);
     if (!_seq) {
         PyMem_Free(_children);
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     for (int i = 0; i < _n; i++) asdl_seq_SET(_seq, i, _children[i]);
     PyMem_Free(_children);
     _PyPegen_insert_memo(p, _start_mark, _loop0_10_type, _seq);
+    D(p->level--);
     return _seq;
 }
 
@@ -12875,15 +15769,19 @@
 static asdl_seq *
 _gather_9_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     asdl_seq * _res = NULL;
     int _mark = p->mark;
     { // expression _loop0_10
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _gather_9[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "expression _loop0_10"));
         expr_ty elem;
         asdl_seq * seq;
         if (
@@ -12892,13 +15790,17 @@
             (seq = _loop0_10_rule(p))  // _loop0_10
         )
         {
+            D(fprintf(stderr, "%*c+ _gather_9[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "expression _loop0_10"));
             _res = _PyPegen_seq_insert_in_front(p, elem, seq);
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _gather_9[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "expression _loop0_10"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -12906,7 +15808,9 @@
 static asdl_seq *
 _loop1_11_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void *_res = NULL;
@@ -12916,14 +15820,17 @@
     if (!_children) {
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     ssize_t _children_capacity = 1;
     ssize_t _n = 0;
     { // statement
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _loop1_11[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "statement"));
         asdl_seq* statement_var;
         while (
             (statement_var = statement_rule(p))  // statement
@@ -12936,6 +15843,7 @@
                 if (!_new_children) {
                     p->error_indicator = 1;
                     PyErr_NoMemory();
+                    D(p->level--);
                     return NULL;
                 }
                 _children = _new_children;
@@ -12944,9 +15852,12 @@
             _mark = p->mark;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _loop1_11[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "statement"));
     }
     if (_n == 0 || p->error_indicator) {
         PyMem_Free(_children);
+        D(p->level--);
         return NULL;
     }
     asdl_seq *_seq = _Py_asdl_seq_new(_n, p->arena);
@@ -12954,11 +15865,13 @@
         PyMem_Free(_children);
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     for (int i = 0; i < _n; i++) asdl_seq_SET(_seq, i, _children[i]);
     PyMem_Free(_children);
     _PyPegen_insert_memo(p, _start_mark, _loop1_11_type, _seq);
+    D(p->level--);
     return _seq;
 }
 
@@ -12966,7 +15879,9 @@
 static asdl_seq *
 _loop0_13_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void *_res = NULL;
@@ -12976,14 +15891,17 @@
     if (!_children) {
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     ssize_t _children_capacity = 1;
     ssize_t _n = 0;
     { // ';' small_stmt
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _loop0_13[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "';' small_stmt"));
         Token * _literal;
         stmt_ty elem;
         while (
@@ -12996,6 +15914,7 @@
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
                 PyMem_Free(_children);
+                D(p->level--);
                 return NULL;
             }
             if (_n == _children_capacity) {
@@ -13004,6 +15923,7 @@
                 if (!_new_children) {
                     p->error_indicator = 1;
                     PyErr_NoMemory();
+                    D(p->level--);
                     return NULL;
                 }
                 _children = _new_children;
@@ -13012,17 +15932,21 @@
             _mark = p->mark;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _loop0_13[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "';' small_stmt"));
     }
     asdl_seq *_seq = _Py_asdl_seq_new(_n, p->arena);
     if (!_seq) {
         PyMem_Free(_children);
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     for (int i = 0; i < _n; i++) asdl_seq_SET(_seq, i, _children[i]);
     PyMem_Free(_children);
     _PyPegen_insert_memo(p, _start_mark, _loop0_13_type, _seq);
+    D(p->level--);
     return _seq;
 }
 
@@ -13030,15 +15954,19 @@
 static asdl_seq *
 _gather_12_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     asdl_seq * _res = NULL;
     int _mark = p->mark;
     { // small_stmt _loop0_13
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _gather_12[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "small_stmt _loop0_13"));
         stmt_ty elem;
         asdl_seq * seq;
         if (
@@ -13047,13 +15975,17 @@
             (seq = _loop0_13_rule(p))  // _loop0_13
         )
         {
+            D(fprintf(stderr, "%*c+ _gather_12[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "small_stmt _loop0_13"));
             _res = _PyPegen_seq_insert_in_front(p, elem, seq);
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _gather_12[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "small_stmt _loop0_13"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -13061,41 +15993,54 @@
 static void *
 _tmp_14_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void * _res = NULL;
     int _mark = p->mark;
     { // 'import'
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _tmp_14[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'import'"));
         Token * _keyword;
         if (
             (_keyword = _PyPegen_expect_token(p, 513))  // token='import'
         )
         {
+            D(fprintf(stderr, "%*c+ _tmp_14[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'import'"));
             _res = _keyword;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _tmp_14[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'import'"));
     }
     { // 'from'
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _tmp_14[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'from'"));
         Token * _keyword;
         if (
             (_keyword = _PyPegen_expect_token(p, 514))  // token='from'
         )
         {
+            D(fprintf(stderr, "%*c+ _tmp_14[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'from'"));
             _res = _keyword;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _tmp_14[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'from'"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -13103,55 +16048,73 @@
 static void *
 _tmp_15_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void * _res = NULL;
     int _mark = p->mark;
     { // 'def'
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _tmp_15[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'def'"));
         Token * _keyword;
         if (
             (_keyword = _PyPegen_expect_token(p, 522))  // token='def'
         )
         {
+            D(fprintf(stderr, "%*c+ _tmp_15[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'def'"));
             _res = _keyword;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _tmp_15[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'def'"));
     }
     { // '@'
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _tmp_15[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'@'"));
         Token * _literal;
         if (
             (_literal = _PyPegen_expect_token(p, 49))  // token='@'
         )
         {
+            D(fprintf(stderr, "%*c+ _tmp_15[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'@'"));
             _res = _literal;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _tmp_15[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'@'"));
     }
     { // ASYNC
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _tmp_15[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "ASYNC"));
         Token * async_var;
         if (
             (async_var = _PyPegen_expect_token(p, ASYNC))  // token='ASYNC'
         )
         {
+            D(fprintf(stderr, "%*c+ _tmp_15[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "ASYNC"));
             _res = async_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _tmp_15[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "ASYNC"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -13159,41 +16122,54 @@
 static void *
 _tmp_16_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void * _res = NULL;
     int _mark = p->mark;
     { // 'class'
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _tmp_16[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'class'"));
         Token * _keyword;
         if (
             (_keyword = _PyPegen_expect_token(p, 523))  // token='class'
         )
         {
+            D(fprintf(stderr, "%*c+ _tmp_16[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'class'"));
             _res = _keyword;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _tmp_16[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'class'"));
     }
     { // '@'
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _tmp_16[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'@'"));
         Token * _literal;
         if (
             (_literal = _PyPegen_expect_token(p, 49))  // token='@'
         )
         {
+            D(fprintf(stderr, "%*c+ _tmp_16[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'@'"));
             _res = _literal;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _tmp_16[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'@'"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -13201,41 +16177,54 @@
 static void *
 _tmp_17_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void * _res = NULL;
     int _mark = p->mark;
     { // 'with'
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _tmp_17[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'with'"));
         Token * _keyword;
         if (
             (_keyword = _PyPegen_expect_token(p, 519))  // token='with'
         )
         {
+            D(fprintf(stderr, "%*c+ _tmp_17[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'with'"));
             _res = _keyword;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _tmp_17[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'with'"));
     }
     { // ASYNC
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _tmp_17[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "ASYNC"));
         Token * async_var;
         if (
             (async_var = _PyPegen_expect_token(p, ASYNC))  // token='ASYNC'
         )
         {
+            D(fprintf(stderr, "%*c+ _tmp_17[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "ASYNC"));
             _res = async_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _tmp_17[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "ASYNC"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -13243,41 +16232,54 @@
 static void *
 _tmp_18_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void * _res = NULL;
     int _mark = p->mark;
     { // 'for'
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _tmp_18[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'for'"));
         Token * _keyword;
         if (
             (_keyword = _PyPegen_expect_token(p, 517))  // token='for'
         )
         {
+            D(fprintf(stderr, "%*c+ _tmp_18[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'for'"));
             _res = _keyword;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _tmp_18[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'for'"));
     }
     { // ASYNC
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _tmp_18[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "ASYNC"));
         Token * async_var;
         if (
             (async_var = _PyPegen_expect_token(p, ASYNC))  // token='ASYNC'
         )
         {
+            D(fprintf(stderr, "%*c+ _tmp_18[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "ASYNC"));
             _res = async_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _tmp_18[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "ASYNC"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -13285,15 +16287,19 @@
 static void *
 _tmp_19_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void * _res = NULL;
     int _mark = p->mark;
     { // '=' annotated_rhs
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _tmp_19[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'=' annotated_rhs"));
         Token * _literal;
         expr_ty d;
         if (
@@ -13302,17 +16308,22 @@
             (d = annotated_rhs_rule(p))  // annotated_rhs
         )
         {
+            D(fprintf(stderr, "%*c+ _tmp_19[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'=' annotated_rhs"));
             _res = d;
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _tmp_19[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'=' annotated_rhs"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -13320,15 +16331,19 @@
 static void *
 _tmp_20_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void * _res = NULL;
     int _mark = p->mark;
     { // '(' single_target ')'
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _tmp_20[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'(' single_target ')'"));
         Token * _literal;
         Token * _literal_1;
         expr_ty b;
@@ -13340,31 +16355,41 @@
             (_literal_1 = _PyPegen_expect_token(p, 8))  // token=')'
         )
         {
+            D(fprintf(stderr, "%*c+ _tmp_20[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'(' single_target ')'"));
             _res = b;
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _tmp_20[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'(' single_target ')'"));
     }
     { // single_subscript_attribute_target
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _tmp_20[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "single_subscript_attribute_target"));
         expr_ty single_subscript_attribute_target_var;
         if (
             (single_subscript_attribute_target_var = single_subscript_attribute_target_rule(p))  // single_subscript_attribute_target
         )
         {
+            D(fprintf(stderr, "%*c+ _tmp_20[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "single_subscript_attribute_target"));
             _res = single_subscript_attribute_target_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _tmp_20[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "single_subscript_attribute_target"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -13372,15 +16397,19 @@
 static void *
 _tmp_21_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void * _res = NULL;
     int _mark = p->mark;
     { // '=' annotated_rhs
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _tmp_21[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'=' annotated_rhs"));
         Token * _literal;
         expr_ty d;
         if (
@@ -13389,17 +16418,22 @@
             (d = annotated_rhs_rule(p))  // annotated_rhs
         )
         {
+            D(fprintf(stderr, "%*c+ _tmp_21[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'=' annotated_rhs"));
             _res = d;
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _tmp_21[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'=' annotated_rhs"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -13407,7 +16441,9 @@
 static asdl_seq *
 _loop1_22_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void *_res = NULL;
@@ -13417,14 +16453,17 @@
     if (!_children) {
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     ssize_t _children_capacity = 1;
     ssize_t _n = 0;
     { // (star_targets '=')
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _loop1_22[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "(star_targets '=')"));
         void *_tmp_135_var;
         while (
             (_tmp_135_var = _tmp_135_rule(p))  // star_targets '='
@@ -13437,6 +16476,7 @@
                 if (!_new_children) {
                     p->error_indicator = 1;
                     PyErr_NoMemory();
+                    D(p->level--);
                     return NULL;
                 }
                 _children = _new_children;
@@ -13445,9 +16485,12 @@
             _mark = p->mark;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _loop1_22[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "(star_targets '=')"));
     }
     if (_n == 0 || p->error_indicator) {
         PyMem_Free(_children);
+        D(p->level--);
         return NULL;
     }
     asdl_seq *_seq = _Py_asdl_seq_new(_n, p->arena);
@@ -13455,11 +16498,13 @@
         PyMem_Free(_children);
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     for (int i = 0; i < _n; i++) asdl_seq_SET(_seq, i, _children[i]);
     PyMem_Free(_children);
     _PyPegen_insert_memo(p, _start_mark, _loop1_22_type, _seq);
+    D(p->level--);
     return _seq;
 }
 
@@ -13467,41 +16512,54 @@
 static void *
 _tmp_23_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void * _res = NULL;
     int _mark = p->mark;
     { // yield_expr
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _tmp_23[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "yield_expr"));
         expr_ty yield_expr_var;
         if (
             (yield_expr_var = yield_expr_rule(p))  // yield_expr
         )
         {
+            D(fprintf(stderr, "%*c+ _tmp_23[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "yield_expr"));
             _res = yield_expr_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _tmp_23[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "yield_expr"));
     }
     { // star_expressions
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _tmp_23[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "star_expressions"));
         expr_ty star_expressions_var;
         if (
             (star_expressions_var = star_expressions_rule(p))  // star_expressions
         )
         {
+            D(fprintf(stderr, "%*c+ _tmp_23[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "star_expressions"));
             _res = star_expressions_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _tmp_23[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "star_expressions"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -13509,41 +16567,54 @@
 static void *
 _tmp_24_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void * _res = NULL;
     int _mark = p->mark;
     { // yield_expr
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _tmp_24[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "yield_expr"));
         expr_ty yield_expr_var;
         if (
             (yield_expr_var = yield_expr_rule(p))  // yield_expr
         )
         {
+            D(fprintf(stderr, "%*c+ _tmp_24[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "yield_expr"));
             _res = yield_expr_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _tmp_24[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "yield_expr"));
     }
     { // star_expressions
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _tmp_24[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "star_expressions"));
         expr_ty star_expressions_var;
         if (
             (star_expressions_var = star_expressions_rule(p))  // star_expressions
         )
         {
+            D(fprintf(stderr, "%*c+ _tmp_24[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "star_expressions"));
             _res = star_expressions_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _tmp_24[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "star_expressions"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -13551,7 +16622,9 @@
 static asdl_seq *
 _loop0_26_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void *_res = NULL;
@@ -13561,14 +16634,17 @@
     if (!_children) {
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     ssize_t _children_capacity = 1;
     ssize_t _n = 0;
     { // ',' NAME
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _loop0_26[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "',' NAME"));
         Token * _literal;
         expr_ty elem;
         while (
@@ -13581,6 +16657,7 @@
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
                 PyMem_Free(_children);
+                D(p->level--);
                 return NULL;
             }
             if (_n == _children_capacity) {
@@ -13589,6 +16666,7 @@
                 if (!_new_children) {
                     p->error_indicator = 1;
                     PyErr_NoMemory();
+                    D(p->level--);
                     return NULL;
                 }
                 _children = _new_children;
@@ -13597,17 +16675,21 @@
             _mark = p->mark;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _loop0_26[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "',' NAME"));
     }
     asdl_seq *_seq = _Py_asdl_seq_new(_n, p->arena);
     if (!_seq) {
         PyMem_Free(_children);
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     for (int i = 0; i < _n; i++) asdl_seq_SET(_seq, i, _children[i]);
     PyMem_Free(_children);
     _PyPegen_insert_memo(p, _start_mark, _loop0_26_type, _seq);
+    D(p->level--);
     return _seq;
 }
 
@@ -13615,15 +16697,19 @@
 static asdl_seq *
 _gather_25_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     asdl_seq * _res = NULL;
     int _mark = p->mark;
     { // NAME _loop0_26
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _gather_25[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "NAME _loop0_26"));
         expr_ty elem;
         asdl_seq * seq;
         if (
@@ -13632,13 +16718,17 @@
             (seq = _loop0_26_rule(p))  // _loop0_26
         )
         {
+            D(fprintf(stderr, "%*c+ _gather_25[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "NAME _loop0_26"));
             _res = _PyPegen_seq_insert_in_front(p, elem, seq);
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _gather_25[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "NAME _loop0_26"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -13646,7 +16736,9 @@
 static asdl_seq *
 _loop0_28_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void *_res = NULL;
@@ -13656,14 +16748,17 @@
     if (!_children) {
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     ssize_t _children_capacity = 1;
     ssize_t _n = 0;
     { // ',' NAME
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _loop0_28[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "',' NAME"));
         Token * _literal;
         expr_ty elem;
         while (
@@ -13676,6 +16771,7 @@
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
                 PyMem_Free(_children);
+                D(p->level--);
                 return NULL;
             }
             if (_n == _children_capacity) {
@@ -13684,6 +16780,7 @@
                 if (!_new_children) {
                     p->error_indicator = 1;
                     PyErr_NoMemory();
+                    D(p->level--);
                     return NULL;
                 }
                 _children = _new_children;
@@ -13692,17 +16789,21 @@
             _mark = p->mark;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _loop0_28[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "',' NAME"));
     }
     asdl_seq *_seq = _Py_asdl_seq_new(_n, p->arena);
     if (!_seq) {
         PyMem_Free(_children);
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     for (int i = 0; i < _n; i++) asdl_seq_SET(_seq, i, _children[i]);
     PyMem_Free(_children);
     _PyPegen_insert_memo(p, _start_mark, _loop0_28_type, _seq);
+    D(p->level--);
     return _seq;
 }
 
@@ -13710,15 +16811,19 @@
 static asdl_seq *
 _gather_27_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     asdl_seq * _res = NULL;
     int _mark = p->mark;
     { // NAME _loop0_28
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _gather_27[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "NAME _loop0_28"));
         expr_ty elem;
         asdl_seq * seq;
         if (
@@ -13727,13 +16832,17 @@
             (seq = _loop0_28_rule(p))  // _loop0_28
         )
         {
+            D(fprintf(stderr, "%*c+ _gather_27[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "NAME _loop0_28"));
             _res = _PyPegen_seq_insert_in_front(p, elem, seq);
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _gather_27[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "NAME _loop0_28"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -13741,15 +16850,19 @@
 static void *
 _tmp_29_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void * _res = NULL;
     int _mark = p->mark;
     { // ',' expression
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _tmp_29[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "',' expression"));
         Token * _literal;
         expr_ty z;
         if (
@@ -13758,17 +16871,22 @@
             (z = expression_rule(p))  // expression
         )
         {
+            D(fprintf(stderr, "%*c+ _tmp_29[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "',' expression"));
             _res = z;
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _tmp_29[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "',' expression"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -13776,7 +16894,9 @@
 static asdl_seq *
 _loop0_30_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void *_res = NULL;
@@ -13786,14 +16906,17 @@
     if (!_children) {
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     ssize_t _children_capacity = 1;
     ssize_t _n = 0;
     { // ('.' | '...')
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _loop0_30[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "('.' | '...')"));
         void *_tmp_136_var;
         while (
             (_tmp_136_var = _tmp_136_rule(p))  // '.' | '...'
@@ -13806,6 +16929,7 @@
                 if (!_new_children) {
                     p->error_indicator = 1;
                     PyErr_NoMemory();
+                    D(p->level--);
                     return NULL;
                 }
                 _children = _new_children;
@@ -13814,17 +16938,21 @@
             _mark = p->mark;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _loop0_30[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "('.' | '...')"));
     }
     asdl_seq *_seq = _Py_asdl_seq_new(_n, p->arena);
     if (!_seq) {
         PyMem_Free(_children);
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     for (int i = 0; i < _n; i++) asdl_seq_SET(_seq, i, _children[i]);
     PyMem_Free(_children);
     _PyPegen_insert_memo(p, _start_mark, _loop0_30_type, _seq);
+    D(p->level--);
     return _seq;
 }
 
@@ -13832,7 +16960,9 @@
 static asdl_seq *
 _loop1_31_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void *_res = NULL;
@@ -13842,14 +16972,17 @@
     if (!_children) {
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     ssize_t _children_capacity = 1;
     ssize_t _n = 0;
     { // ('.' | '...')
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _loop1_31[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "('.' | '...')"));
         void *_tmp_137_var;
         while (
             (_tmp_137_var = _tmp_137_rule(p))  // '.' | '...'
@@ -13862,6 +16995,7 @@
                 if (!_new_children) {
                     p->error_indicator = 1;
                     PyErr_NoMemory();
+                    D(p->level--);
                     return NULL;
                 }
                 _children = _new_children;
@@ -13870,9 +17004,12 @@
             _mark = p->mark;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _loop1_31[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "('.' | '...')"));
     }
     if (_n == 0 || p->error_indicator) {
         PyMem_Free(_children);
+        D(p->level--);
         return NULL;
     }
     asdl_seq *_seq = _Py_asdl_seq_new(_n, p->arena);
@@ -13880,11 +17017,13 @@
         PyMem_Free(_children);
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     for (int i = 0; i < _n; i++) asdl_seq_SET(_seq, i, _children[i]);
     PyMem_Free(_children);
     _PyPegen_insert_memo(p, _start_mark, _loop1_31_type, _seq);
+    D(p->level--);
     return _seq;
 }
 
@@ -13892,7 +17031,9 @@
 static asdl_seq *
 _loop0_33_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void *_res = NULL;
@@ -13902,14 +17043,17 @@
     if (!_children) {
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     ssize_t _children_capacity = 1;
     ssize_t _n = 0;
     { // ',' import_from_as_name
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _loop0_33[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "',' import_from_as_name"));
         Token * _literal;
         alias_ty elem;
         while (
@@ -13922,6 +17066,7 @@
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
                 PyMem_Free(_children);
+                D(p->level--);
                 return NULL;
             }
             if (_n == _children_capacity) {
@@ -13930,6 +17075,7 @@
                 if (!_new_children) {
                     p->error_indicator = 1;
                     PyErr_NoMemory();
+                    D(p->level--);
                     return NULL;
                 }
                 _children = _new_children;
@@ -13938,17 +17084,21 @@
             _mark = p->mark;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _loop0_33[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "',' import_from_as_name"));
     }
     asdl_seq *_seq = _Py_asdl_seq_new(_n, p->arena);
     if (!_seq) {
         PyMem_Free(_children);
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     for (int i = 0; i < _n; i++) asdl_seq_SET(_seq, i, _children[i]);
     PyMem_Free(_children);
     _PyPegen_insert_memo(p, _start_mark, _loop0_33_type, _seq);
+    D(p->level--);
     return _seq;
 }
 
@@ -13956,15 +17106,19 @@
 static asdl_seq *
 _gather_32_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     asdl_seq * _res = NULL;
     int _mark = p->mark;
     { // import_from_as_name _loop0_33
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _gather_32[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "import_from_as_name _loop0_33"));
         alias_ty elem;
         asdl_seq * seq;
         if (
@@ -13973,13 +17127,17 @@
             (seq = _loop0_33_rule(p))  // _loop0_33
         )
         {
+            D(fprintf(stderr, "%*c+ _gather_32[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "import_from_as_name _loop0_33"));
             _res = _PyPegen_seq_insert_in_front(p, elem, seq);
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _gather_32[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "import_from_as_name _loop0_33"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -13987,15 +17145,19 @@
 static void *
 _tmp_34_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void * _res = NULL;
     int _mark = p->mark;
     { // 'as' NAME
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _tmp_34[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'as' NAME"));
         Token * _keyword;
         expr_ty z;
         if (
@@ -14004,17 +17166,22 @@
             (z = _PyPegen_name_token(p))  // NAME
         )
         {
+            D(fprintf(stderr, "%*c+ _tmp_34[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'as' NAME"));
             _res = z;
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _tmp_34[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'as' NAME"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -14022,7 +17189,9 @@
 static asdl_seq *
 _loop0_36_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void *_res = NULL;
@@ -14032,14 +17201,17 @@
     if (!_children) {
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     ssize_t _children_capacity = 1;
     ssize_t _n = 0;
     { // ',' dotted_as_name
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _loop0_36[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "',' dotted_as_name"));
         Token * _literal;
         alias_ty elem;
         while (
@@ -14052,6 +17224,7 @@
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
                 PyMem_Free(_children);
+                D(p->level--);
                 return NULL;
             }
             if (_n == _children_capacity) {
@@ -14060,6 +17233,7 @@
                 if (!_new_children) {
                     p->error_indicator = 1;
                     PyErr_NoMemory();
+                    D(p->level--);
                     return NULL;
                 }
                 _children = _new_children;
@@ -14068,17 +17242,21 @@
             _mark = p->mark;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _loop0_36[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "',' dotted_as_name"));
     }
     asdl_seq *_seq = _Py_asdl_seq_new(_n, p->arena);
     if (!_seq) {
         PyMem_Free(_children);
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     for (int i = 0; i < _n; i++) asdl_seq_SET(_seq, i, _children[i]);
     PyMem_Free(_children);
     _PyPegen_insert_memo(p, _start_mark, _loop0_36_type, _seq);
+    D(p->level--);
     return _seq;
 }
 
@@ -14086,15 +17264,19 @@
 static asdl_seq *
 _gather_35_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     asdl_seq * _res = NULL;
     int _mark = p->mark;
     { // dotted_as_name _loop0_36
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _gather_35[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "dotted_as_name _loop0_36"));
         alias_ty elem;
         asdl_seq * seq;
         if (
@@ -14103,13 +17285,17 @@
             (seq = _loop0_36_rule(p))  // _loop0_36
         )
         {
+            D(fprintf(stderr, "%*c+ _gather_35[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "dotted_as_name _loop0_36"));
             _res = _PyPegen_seq_insert_in_front(p, elem, seq);
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _gather_35[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "dotted_as_name _loop0_36"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -14117,15 +17303,19 @@
 static void *
 _tmp_37_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void * _res = NULL;
     int _mark = p->mark;
     { // 'as' NAME
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _tmp_37[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'as' NAME"));
         Token * _keyword;
         expr_ty z;
         if (
@@ -14134,17 +17324,22 @@
             (z = _PyPegen_name_token(p))  // NAME
         )
         {
+            D(fprintf(stderr, "%*c+ _tmp_37[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'as' NAME"));
             _res = z;
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _tmp_37[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'as' NAME"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -14152,7 +17347,9 @@
 static asdl_seq *
 _loop0_39_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void *_res = NULL;
@@ -14162,14 +17359,17 @@
     if (!_children) {
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     ssize_t _children_capacity = 1;
     ssize_t _n = 0;
     { // ',' with_item
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _loop0_39[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "',' with_item"));
         Token * _literal;
         withitem_ty elem;
         while (
@@ -14182,6 +17382,7 @@
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
                 PyMem_Free(_children);
+                D(p->level--);
                 return NULL;
             }
             if (_n == _children_capacity) {
@@ -14190,6 +17391,7 @@
                 if (!_new_children) {
                     p->error_indicator = 1;
                     PyErr_NoMemory();
+                    D(p->level--);
                     return NULL;
                 }
                 _children = _new_children;
@@ -14198,17 +17400,21 @@
             _mark = p->mark;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _loop0_39[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "',' with_item"));
     }
     asdl_seq *_seq = _Py_asdl_seq_new(_n, p->arena);
     if (!_seq) {
         PyMem_Free(_children);
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     for (int i = 0; i < _n; i++) asdl_seq_SET(_seq, i, _children[i]);
     PyMem_Free(_children);
     _PyPegen_insert_memo(p, _start_mark, _loop0_39_type, _seq);
+    D(p->level--);
     return _seq;
 }
 
@@ -14216,15 +17422,19 @@
 static asdl_seq *
 _gather_38_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     asdl_seq * _res = NULL;
     int _mark = p->mark;
     { // with_item _loop0_39
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _gather_38[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "with_item _loop0_39"));
         withitem_ty elem;
         asdl_seq * seq;
         if (
@@ -14233,13 +17443,17 @@
             (seq = _loop0_39_rule(p))  // _loop0_39
         )
         {
+            D(fprintf(stderr, "%*c+ _gather_38[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "with_item _loop0_39"));
             _res = _PyPegen_seq_insert_in_front(p, elem, seq);
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _gather_38[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "with_item _loop0_39"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -14247,7 +17461,9 @@
 static asdl_seq *
 _loop0_41_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void *_res = NULL;
@@ -14257,14 +17473,17 @@
     if (!_children) {
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     ssize_t _children_capacity = 1;
     ssize_t _n = 0;
     { // ',' with_item
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _loop0_41[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "',' with_item"));
         Token * _literal;
         withitem_ty elem;
         while (
@@ -14277,6 +17496,7 @@
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
                 PyMem_Free(_children);
+                D(p->level--);
                 return NULL;
             }
             if (_n == _children_capacity) {
@@ -14285,6 +17505,7 @@
                 if (!_new_children) {
                     p->error_indicator = 1;
                     PyErr_NoMemory();
+                    D(p->level--);
                     return NULL;
                 }
                 _children = _new_children;
@@ -14293,17 +17514,21 @@
             _mark = p->mark;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _loop0_41[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "',' with_item"));
     }
     asdl_seq *_seq = _Py_asdl_seq_new(_n, p->arena);
     if (!_seq) {
         PyMem_Free(_children);
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     for (int i = 0; i < _n; i++) asdl_seq_SET(_seq, i, _children[i]);
     PyMem_Free(_children);
     _PyPegen_insert_memo(p, _start_mark, _loop0_41_type, _seq);
+    D(p->level--);
     return _seq;
 }
 
@@ -14311,15 +17536,19 @@
 static asdl_seq *
 _gather_40_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     asdl_seq * _res = NULL;
     int _mark = p->mark;
     { // with_item _loop0_41
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _gather_40[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "with_item _loop0_41"));
         withitem_ty elem;
         asdl_seq * seq;
         if (
@@ -14328,13 +17557,17 @@
             (seq = _loop0_41_rule(p))  // _loop0_41
         )
         {
+            D(fprintf(stderr, "%*c+ _gather_40[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "with_item _loop0_41"));
             _res = _PyPegen_seq_insert_in_front(p, elem, seq);
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _gather_40[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "with_item _loop0_41"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -14342,7 +17575,9 @@
 static asdl_seq *
 _loop0_43_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void *_res = NULL;
@@ -14352,14 +17587,17 @@
     if (!_children) {
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     ssize_t _children_capacity = 1;
     ssize_t _n = 0;
     { // ',' with_item
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _loop0_43[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "',' with_item"));
         Token * _literal;
         withitem_ty elem;
         while (
@@ -14372,6 +17610,7 @@
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
                 PyMem_Free(_children);
+                D(p->level--);
                 return NULL;
             }
             if (_n == _children_capacity) {
@@ -14380,6 +17619,7 @@
                 if (!_new_children) {
                     p->error_indicator = 1;
                     PyErr_NoMemory();
+                    D(p->level--);
                     return NULL;
                 }
                 _children = _new_children;
@@ -14388,17 +17628,21 @@
             _mark = p->mark;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _loop0_43[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "',' with_item"));
     }
     asdl_seq *_seq = _Py_asdl_seq_new(_n, p->arena);
     if (!_seq) {
         PyMem_Free(_children);
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     for (int i = 0; i < _n; i++) asdl_seq_SET(_seq, i, _children[i]);
     PyMem_Free(_children);
     _PyPegen_insert_memo(p, _start_mark, _loop0_43_type, _seq);
+    D(p->level--);
     return _seq;
 }
 
@@ -14406,15 +17650,19 @@
 static asdl_seq *
 _gather_42_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     asdl_seq * _res = NULL;
     int _mark = p->mark;
     { // with_item _loop0_43
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _gather_42[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "with_item _loop0_43"));
         withitem_ty elem;
         asdl_seq * seq;
         if (
@@ -14423,13 +17671,17 @@
             (seq = _loop0_43_rule(p))  // _loop0_43
         )
         {
+            D(fprintf(stderr, "%*c+ _gather_42[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "with_item _loop0_43"));
             _res = _PyPegen_seq_insert_in_front(p, elem, seq);
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _gather_42[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "with_item _loop0_43"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -14437,7 +17689,9 @@
 static asdl_seq *
 _loop0_45_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void *_res = NULL;
@@ -14447,14 +17701,17 @@
     if (!_children) {
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     ssize_t _children_capacity = 1;
     ssize_t _n = 0;
     { // ',' with_item
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _loop0_45[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "',' with_item"));
         Token * _literal;
         withitem_ty elem;
         while (
@@ -14467,6 +17724,7 @@
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
                 PyMem_Free(_children);
+                D(p->level--);
                 return NULL;
             }
             if (_n == _children_capacity) {
@@ -14475,6 +17733,7 @@
                 if (!_new_children) {
                     p->error_indicator = 1;
                     PyErr_NoMemory();
+                    D(p->level--);
                     return NULL;
                 }
                 _children = _new_children;
@@ -14483,17 +17742,21 @@
             _mark = p->mark;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _loop0_45[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "',' with_item"));
     }
     asdl_seq *_seq = _Py_asdl_seq_new(_n, p->arena);
     if (!_seq) {
         PyMem_Free(_children);
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     for (int i = 0; i < _n; i++) asdl_seq_SET(_seq, i, _children[i]);
     PyMem_Free(_children);
     _PyPegen_insert_memo(p, _start_mark, _loop0_45_type, _seq);
+    D(p->level--);
     return _seq;
 }
 
@@ -14501,15 +17764,19 @@
 static asdl_seq *
 _gather_44_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     asdl_seq * _res = NULL;
     int _mark = p->mark;
     { // with_item _loop0_45
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _gather_44[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "with_item _loop0_45"));
         withitem_ty elem;
         asdl_seq * seq;
         if (
@@ -14518,13 +17785,17 @@
             (seq = _loop0_45_rule(p))  // _loop0_45
         )
         {
+            D(fprintf(stderr, "%*c+ _gather_44[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "with_item _loop0_45"));
             _res = _PyPegen_seq_insert_in_front(p, elem, seq);
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _gather_44[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "with_item _loop0_45"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -14532,15 +17803,19 @@
 static void *
 _tmp_46_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void * _res = NULL;
     int _mark = p->mark;
     { // 'as' target
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _tmp_46[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'as' target"));
         Token * _keyword;
         expr_ty t;
         if (
@@ -14549,17 +17824,22 @@
             (t = target_rule(p))  // target
         )
         {
+            D(fprintf(stderr, "%*c+ _tmp_46[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'as' target"));
             _res = t;
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _tmp_46[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'as' target"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -14567,7 +17847,9 @@
 static asdl_seq *
 _loop1_47_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void *_res = NULL;
@@ -14577,14 +17859,17 @@
     if (!_children) {
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     ssize_t _children_capacity = 1;
     ssize_t _n = 0;
     { // except_block
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _loop1_47[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "except_block"));
         excepthandler_ty except_block_var;
         while (
             (except_block_var = except_block_rule(p))  // except_block
@@ -14597,6 +17882,7 @@
                 if (!_new_children) {
                     p->error_indicator = 1;
                     PyErr_NoMemory();
+                    D(p->level--);
                     return NULL;
                 }
                 _children = _new_children;
@@ -14605,9 +17891,12 @@
             _mark = p->mark;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _loop1_47[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "except_block"));
     }
     if (_n == 0 || p->error_indicator) {
         PyMem_Free(_children);
+        D(p->level--);
         return NULL;
     }
     asdl_seq *_seq = _Py_asdl_seq_new(_n, p->arena);
@@ -14615,11 +17904,13 @@
         PyMem_Free(_children);
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     for (int i = 0; i < _n; i++) asdl_seq_SET(_seq, i, _children[i]);
     PyMem_Free(_children);
     _PyPegen_insert_memo(p, _start_mark, _loop1_47_type, _seq);
+    D(p->level--);
     return _seq;
 }
 
@@ -14627,15 +17918,19 @@
 static void *
 _tmp_48_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void * _res = NULL;
     int _mark = p->mark;
     { // 'as' NAME
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _tmp_48[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'as' NAME"));
         Token * _keyword;
         expr_ty z;
         if (
@@ -14644,17 +17939,22 @@
             (z = _PyPegen_name_token(p))  // NAME
         )
         {
+            D(fprintf(stderr, "%*c+ _tmp_48[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'as' NAME"));
             _res = z;
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _tmp_48[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'as' NAME"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -14662,15 +17962,19 @@
 static void *
 _tmp_49_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void * _res = NULL;
     int _mark = p->mark;
     { // 'from' expression
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _tmp_49[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'from' expression"));
         Token * _keyword;
         expr_ty z;
         if (
@@ -14679,17 +17983,22 @@
             (z = expression_rule(p))  // expression
         )
         {
+            D(fprintf(stderr, "%*c+ _tmp_49[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'from' expression"));
             _res = z;
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _tmp_49[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'from' expression"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -14697,15 +18006,19 @@
 static void *
 _tmp_50_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void * _res = NULL;
     int _mark = p->mark;
     { // '->' expression
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _tmp_50[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'->' expression"));
         Token * _literal;
         expr_ty z;
         if (
@@ -14714,17 +18027,22 @@
             (z = expression_rule(p))  // expression
         )
         {
+            D(fprintf(stderr, "%*c+ _tmp_50[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'->' expression"));
             _res = z;
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _tmp_50[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'->' expression"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -14732,15 +18050,19 @@
 static void *
 _tmp_51_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void * _res = NULL;
     int _mark = p->mark;
     { // '->' expression
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _tmp_51[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'->' expression"));
         Token * _literal;
         expr_ty z;
         if (
@@ -14749,17 +18071,22 @@
             (z = expression_rule(p))  // expression
         )
         {
+            D(fprintf(stderr, "%*c+ _tmp_51[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'->' expression"));
             _res = z;
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _tmp_51[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'->' expression"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -14767,15 +18094,19 @@
 static void *
 _tmp_52_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void * _res = NULL;
     int _mark = p->mark;
     { // NEWLINE INDENT
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _tmp_52[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "NEWLINE INDENT"));
         Token * indent_var;
         Token * newline_var;
         if (
@@ -14784,13 +18115,17 @@
             (indent_var = _PyPegen_expect_token(p, INDENT))  // token='INDENT'
         )
         {
+            D(fprintf(stderr, "%*c+ _tmp_52[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "NEWLINE INDENT"));
             _res = _PyPegen_dummy_name(p, newline_var, indent_var);
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _tmp_52[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "NEWLINE INDENT"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -14798,7 +18133,9 @@
 static asdl_seq *
 _loop0_53_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void *_res = NULL;
@@ -14808,14 +18145,17 @@
     if (!_children) {
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     ssize_t _children_capacity = 1;
     ssize_t _n = 0;
     { // param_no_default
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _loop0_53[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "param_no_default"));
         arg_ty param_no_default_var;
         while (
             (param_no_default_var = param_no_default_rule(p))  // param_no_default
@@ -14828,6 +18168,7 @@
                 if (!_new_children) {
                     p->error_indicator = 1;
                     PyErr_NoMemory();
+                    D(p->level--);
                     return NULL;
                 }
                 _children = _new_children;
@@ -14836,17 +18177,21 @@
             _mark = p->mark;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _loop0_53[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "param_no_default"));
     }
     asdl_seq *_seq = _Py_asdl_seq_new(_n, p->arena);
     if (!_seq) {
         PyMem_Free(_children);
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     for (int i = 0; i < _n; i++) asdl_seq_SET(_seq, i, _children[i]);
     PyMem_Free(_children);
     _PyPegen_insert_memo(p, _start_mark, _loop0_53_type, _seq);
+    D(p->level--);
     return _seq;
 }
 
@@ -14854,7 +18199,9 @@
 static asdl_seq *
 _loop0_54_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void *_res = NULL;
@@ -14864,14 +18211,17 @@
     if (!_children) {
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     ssize_t _children_capacity = 1;
     ssize_t _n = 0;
     { // param_with_default
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _loop0_54[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "param_with_default"));
         NameDefaultPair* param_with_default_var;
         while (
             (param_with_default_var = param_with_default_rule(p))  // param_with_default
@@ -14884,6 +18234,7 @@
                 if (!_new_children) {
                     p->error_indicator = 1;
                     PyErr_NoMemory();
+                    D(p->level--);
                     return NULL;
                 }
                 _children = _new_children;
@@ -14892,17 +18243,21 @@
             _mark = p->mark;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _loop0_54[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "param_with_default"));
     }
     asdl_seq *_seq = _Py_asdl_seq_new(_n, p->arena);
     if (!_seq) {
         PyMem_Free(_children);
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     for (int i = 0; i < _n; i++) asdl_seq_SET(_seq, i, _children[i]);
     PyMem_Free(_children);
     _PyPegen_insert_memo(p, _start_mark, _loop0_54_type, _seq);
+    D(p->level--);
     return _seq;
 }
 
@@ -14910,7 +18265,9 @@
 static asdl_seq *
 _loop0_55_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void *_res = NULL;
@@ -14920,14 +18277,17 @@
     if (!_children) {
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     ssize_t _children_capacity = 1;
     ssize_t _n = 0;
     { // param_with_default
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _loop0_55[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "param_with_default"));
         NameDefaultPair* param_with_default_var;
         while (
             (param_with_default_var = param_with_default_rule(p))  // param_with_default
@@ -14940,6 +18300,7 @@
                 if (!_new_children) {
                     p->error_indicator = 1;
                     PyErr_NoMemory();
+                    D(p->level--);
                     return NULL;
                 }
                 _children = _new_children;
@@ -14948,17 +18309,21 @@
             _mark = p->mark;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _loop0_55[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "param_with_default"));
     }
     asdl_seq *_seq = _Py_asdl_seq_new(_n, p->arena);
     if (!_seq) {
         PyMem_Free(_children);
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     for (int i = 0; i < _n; i++) asdl_seq_SET(_seq, i, _children[i]);
     PyMem_Free(_children);
     _PyPegen_insert_memo(p, _start_mark, _loop0_55_type, _seq);
+    D(p->level--);
     return _seq;
 }
 
@@ -14966,7 +18331,9 @@
 static asdl_seq *
 _loop1_56_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void *_res = NULL;
@@ -14976,14 +18343,17 @@
     if (!_children) {
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     ssize_t _children_capacity = 1;
     ssize_t _n = 0;
     { // param_no_default
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _loop1_56[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "param_no_default"));
         arg_ty param_no_default_var;
         while (
             (param_no_default_var = param_no_default_rule(p))  // param_no_default
@@ -14996,6 +18366,7 @@
                 if (!_new_children) {
                     p->error_indicator = 1;
                     PyErr_NoMemory();
+                    D(p->level--);
                     return NULL;
                 }
                 _children = _new_children;
@@ -15004,9 +18375,12 @@
             _mark = p->mark;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _loop1_56[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "param_no_default"));
     }
     if (_n == 0 || p->error_indicator) {
         PyMem_Free(_children);
+        D(p->level--);
         return NULL;
     }
     asdl_seq *_seq = _Py_asdl_seq_new(_n, p->arena);
@@ -15014,11 +18388,13 @@
         PyMem_Free(_children);
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     for (int i = 0; i < _n; i++) asdl_seq_SET(_seq, i, _children[i]);
     PyMem_Free(_children);
     _PyPegen_insert_memo(p, _start_mark, _loop1_56_type, _seq);
+    D(p->level--);
     return _seq;
 }
 
@@ -15026,7 +18402,9 @@
 static asdl_seq *
 _loop0_57_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void *_res = NULL;
@@ -15036,14 +18414,17 @@
     if (!_children) {
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     ssize_t _children_capacity = 1;
     ssize_t _n = 0;
     { // param_with_default
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _loop0_57[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "param_with_default"));
         NameDefaultPair* param_with_default_var;
         while (
             (param_with_default_var = param_with_default_rule(p))  // param_with_default
@@ -15056,6 +18437,7 @@
                 if (!_new_children) {
                     p->error_indicator = 1;
                     PyErr_NoMemory();
+                    D(p->level--);
                     return NULL;
                 }
                 _children = _new_children;
@@ -15064,17 +18446,21 @@
             _mark = p->mark;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _loop0_57[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "param_with_default"));
     }
     asdl_seq *_seq = _Py_asdl_seq_new(_n, p->arena);
     if (!_seq) {
         PyMem_Free(_children);
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     for (int i = 0; i < _n; i++) asdl_seq_SET(_seq, i, _children[i]);
     PyMem_Free(_children);
     _PyPegen_insert_memo(p, _start_mark, _loop0_57_type, _seq);
+    D(p->level--);
     return _seq;
 }
 
@@ -15082,7 +18468,9 @@
 static asdl_seq *
 _loop1_58_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void *_res = NULL;
@@ -15092,14 +18480,17 @@
     if (!_children) {
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     ssize_t _children_capacity = 1;
     ssize_t _n = 0;
     { // param_with_default
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _loop1_58[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "param_with_default"));
         NameDefaultPair* param_with_default_var;
         while (
             (param_with_default_var = param_with_default_rule(p))  // param_with_default
@@ -15112,6 +18503,7 @@
                 if (!_new_children) {
                     p->error_indicator = 1;
                     PyErr_NoMemory();
+                    D(p->level--);
                     return NULL;
                 }
                 _children = _new_children;
@@ -15120,9 +18512,12 @@
             _mark = p->mark;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _loop1_58[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "param_with_default"));
     }
     if (_n == 0 || p->error_indicator) {
         PyMem_Free(_children);
+        D(p->level--);
         return NULL;
     }
     asdl_seq *_seq = _Py_asdl_seq_new(_n, p->arena);
@@ -15130,11 +18525,13 @@
         PyMem_Free(_children);
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     for (int i = 0; i < _n; i++) asdl_seq_SET(_seq, i, _children[i]);
     PyMem_Free(_children);
     _PyPegen_insert_memo(p, _start_mark, _loop1_58_type, _seq);
+    D(p->level--);
     return _seq;
 }
 
@@ -15142,7 +18539,9 @@
 static asdl_seq *
 _loop1_59_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void *_res = NULL;
@@ -15152,14 +18551,17 @@
     if (!_children) {
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     ssize_t _children_capacity = 1;
     ssize_t _n = 0;
     { // param_no_default
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _loop1_59[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "param_no_default"));
         arg_ty param_no_default_var;
         while (
             (param_no_default_var = param_no_default_rule(p))  // param_no_default
@@ -15172,6 +18574,7 @@
                 if (!_new_children) {
                     p->error_indicator = 1;
                     PyErr_NoMemory();
+                    D(p->level--);
                     return NULL;
                 }
                 _children = _new_children;
@@ -15180,9 +18583,12 @@
             _mark = p->mark;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _loop1_59[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "param_no_default"));
     }
     if (_n == 0 || p->error_indicator) {
         PyMem_Free(_children);
+        D(p->level--);
         return NULL;
     }
     asdl_seq *_seq = _Py_asdl_seq_new(_n, p->arena);
@@ -15190,11 +18596,13 @@
         PyMem_Free(_children);
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     for (int i = 0; i < _n; i++) asdl_seq_SET(_seq, i, _children[i]);
     PyMem_Free(_children);
     _PyPegen_insert_memo(p, _start_mark, _loop1_59_type, _seq);
+    D(p->level--);
     return _seq;
 }
 
@@ -15202,7 +18610,9 @@
 static asdl_seq *
 _loop1_60_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void *_res = NULL;
@@ -15212,14 +18622,17 @@
     if (!_children) {
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     ssize_t _children_capacity = 1;
     ssize_t _n = 0;
     { // param_no_default
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _loop1_60[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "param_no_default"));
         arg_ty param_no_default_var;
         while (
             (param_no_default_var = param_no_default_rule(p))  // param_no_default
@@ -15232,6 +18645,7 @@
                 if (!_new_children) {
                     p->error_indicator = 1;
                     PyErr_NoMemory();
+                    D(p->level--);
                     return NULL;
                 }
                 _children = _new_children;
@@ -15240,9 +18654,12 @@
             _mark = p->mark;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _loop1_60[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "param_no_default"));
     }
     if (_n == 0 || p->error_indicator) {
         PyMem_Free(_children);
+        D(p->level--);
         return NULL;
     }
     asdl_seq *_seq = _Py_asdl_seq_new(_n, p->arena);
@@ -15250,11 +18667,13 @@
         PyMem_Free(_children);
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     for (int i = 0; i < _n; i++) asdl_seq_SET(_seq, i, _children[i]);
     PyMem_Free(_children);
     _PyPegen_insert_memo(p, _start_mark, _loop1_60_type, _seq);
+    D(p->level--);
     return _seq;
 }
 
@@ -15262,7 +18681,9 @@
 static asdl_seq *
 _loop0_61_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void *_res = NULL;
@@ -15272,14 +18693,17 @@
     if (!_children) {
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     ssize_t _children_capacity = 1;
     ssize_t _n = 0;
     { // param_no_default
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _loop0_61[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "param_no_default"));
         arg_ty param_no_default_var;
         while (
             (param_no_default_var = param_no_default_rule(p))  // param_no_default
@@ -15292,6 +18716,7 @@
                 if (!_new_children) {
                     p->error_indicator = 1;
                     PyErr_NoMemory();
+                    D(p->level--);
                     return NULL;
                 }
                 _children = _new_children;
@@ -15300,17 +18725,21 @@
             _mark = p->mark;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _loop0_61[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "param_no_default"));
     }
     asdl_seq *_seq = _Py_asdl_seq_new(_n, p->arena);
     if (!_seq) {
         PyMem_Free(_children);
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     for (int i = 0; i < _n; i++) asdl_seq_SET(_seq, i, _children[i]);
     PyMem_Free(_children);
     _PyPegen_insert_memo(p, _start_mark, _loop0_61_type, _seq);
+    D(p->level--);
     return _seq;
 }
 
@@ -15318,7 +18747,9 @@
 static asdl_seq *
 _loop1_62_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void *_res = NULL;
@@ -15328,14 +18759,17 @@
     if (!_children) {
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     ssize_t _children_capacity = 1;
     ssize_t _n = 0;
     { // param_with_default
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _loop1_62[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "param_with_default"));
         NameDefaultPair* param_with_default_var;
         while (
             (param_with_default_var = param_with_default_rule(p))  // param_with_default
@@ -15348,6 +18782,7 @@
                 if (!_new_children) {
                     p->error_indicator = 1;
                     PyErr_NoMemory();
+                    D(p->level--);
                     return NULL;
                 }
                 _children = _new_children;
@@ -15356,9 +18791,12 @@
             _mark = p->mark;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _loop1_62[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "param_with_default"));
     }
     if (_n == 0 || p->error_indicator) {
         PyMem_Free(_children);
+        D(p->level--);
         return NULL;
     }
     asdl_seq *_seq = _Py_asdl_seq_new(_n, p->arena);
@@ -15366,11 +18804,13 @@
         PyMem_Free(_children);
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     for (int i = 0; i < _n; i++) asdl_seq_SET(_seq, i, _children[i]);
     PyMem_Free(_children);
     _PyPegen_insert_memo(p, _start_mark, _loop1_62_type, _seq);
+    D(p->level--);
     return _seq;
 }
 
@@ -15378,7 +18818,9 @@
 static asdl_seq *
 _loop0_63_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void *_res = NULL;
@@ -15388,14 +18830,17 @@
     if (!_children) {
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     ssize_t _children_capacity = 1;
     ssize_t _n = 0;
     { // param_no_default
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _loop0_63[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "param_no_default"));
         arg_ty param_no_default_var;
         while (
             (param_no_default_var = param_no_default_rule(p))  // param_no_default
@@ -15408,6 +18853,7 @@
                 if (!_new_children) {
                     p->error_indicator = 1;
                     PyErr_NoMemory();
+                    D(p->level--);
                     return NULL;
                 }
                 _children = _new_children;
@@ -15416,17 +18862,21 @@
             _mark = p->mark;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _loop0_63[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "param_no_default"));
     }
     asdl_seq *_seq = _Py_asdl_seq_new(_n, p->arena);
     if (!_seq) {
         PyMem_Free(_children);
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     for (int i = 0; i < _n; i++) asdl_seq_SET(_seq, i, _children[i]);
     PyMem_Free(_children);
     _PyPegen_insert_memo(p, _start_mark, _loop0_63_type, _seq);
+    D(p->level--);
     return _seq;
 }
 
@@ -15434,7 +18884,9 @@
 static asdl_seq *
 _loop1_64_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void *_res = NULL;
@@ -15444,14 +18896,17 @@
     if (!_children) {
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     ssize_t _children_capacity = 1;
     ssize_t _n = 0;
     { // param_with_default
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _loop1_64[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "param_with_default"));
         NameDefaultPair* param_with_default_var;
         while (
             (param_with_default_var = param_with_default_rule(p))  // param_with_default
@@ -15464,6 +18919,7 @@
                 if (!_new_children) {
                     p->error_indicator = 1;
                     PyErr_NoMemory();
+                    D(p->level--);
                     return NULL;
                 }
                 _children = _new_children;
@@ -15472,9 +18928,12 @@
             _mark = p->mark;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _loop1_64[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "param_with_default"));
     }
     if (_n == 0 || p->error_indicator) {
         PyMem_Free(_children);
+        D(p->level--);
         return NULL;
     }
     asdl_seq *_seq = _Py_asdl_seq_new(_n, p->arena);
@@ -15482,11 +18941,13 @@
         PyMem_Free(_children);
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     for (int i = 0; i < _n; i++) asdl_seq_SET(_seq, i, _children[i]);
     PyMem_Free(_children);
     _PyPegen_insert_memo(p, _start_mark, _loop1_64_type, _seq);
+    D(p->level--);
     return _seq;
 }
 
@@ -15494,7 +18955,9 @@
 static asdl_seq *
 _loop0_65_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void *_res = NULL;
@@ -15504,14 +18967,17 @@
     if (!_children) {
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     ssize_t _children_capacity = 1;
     ssize_t _n = 0;
     { // param_maybe_default
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _loop0_65[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "param_maybe_default"));
         NameDefaultPair* param_maybe_default_var;
         while (
             (param_maybe_default_var = param_maybe_default_rule(p))  // param_maybe_default
@@ -15524,6 +18990,7 @@
                 if (!_new_children) {
                     p->error_indicator = 1;
                     PyErr_NoMemory();
+                    D(p->level--);
                     return NULL;
                 }
                 _children = _new_children;
@@ -15532,17 +18999,21 @@
             _mark = p->mark;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _loop0_65[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "param_maybe_default"));
     }
     asdl_seq *_seq = _Py_asdl_seq_new(_n, p->arena);
     if (!_seq) {
         PyMem_Free(_children);
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     for (int i = 0; i < _n; i++) asdl_seq_SET(_seq, i, _children[i]);
     PyMem_Free(_children);
     _PyPegen_insert_memo(p, _start_mark, _loop0_65_type, _seq);
+    D(p->level--);
     return _seq;
 }
 
@@ -15550,7 +19021,9 @@
 static asdl_seq *
 _loop1_66_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void *_res = NULL;
@@ -15560,14 +19033,17 @@
     if (!_children) {
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     ssize_t _children_capacity = 1;
     ssize_t _n = 0;
     { // param_maybe_default
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _loop1_66[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "param_maybe_default"));
         NameDefaultPair* param_maybe_default_var;
         while (
             (param_maybe_default_var = param_maybe_default_rule(p))  // param_maybe_default
@@ -15580,6 +19056,7 @@
                 if (!_new_children) {
                     p->error_indicator = 1;
                     PyErr_NoMemory();
+                    D(p->level--);
                     return NULL;
                 }
                 _children = _new_children;
@@ -15588,9 +19065,12 @@
             _mark = p->mark;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _loop1_66[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "param_maybe_default"));
     }
     if (_n == 0 || p->error_indicator) {
         PyMem_Free(_children);
+        D(p->level--);
         return NULL;
     }
     asdl_seq *_seq = _Py_asdl_seq_new(_n, p->arena);
@@ -15598,11 +19078,13 @@
         PyMem_Free(_children);
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     for (int i = 0; i < _n; i++) asdl_seq_SET(_seq, i, _children[i]);
     PyMem_Free(_children);
     _PyPegen_insert_memo(p, _start_mark, _loop1_66_type, _seq);
+    D(p->level--);
     return _seq;
 }
 
@@ -15610,7 +19092,9 @@
 static asdl_seq *
 _loop1_67_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void *_res = NULL;
@@ -15620,14 +19104,17 @@
     if (!_children) {
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     ssize_t _children_capacity = 1;
     ssize_t _n = 0;
     { // ('@' named_expression NEWLINE)
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _loop1_67[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "('@' named_expression NEWLINE)"));
         void *_tmp_138_var;
         while (
             (_tmp_138_var = _tmp_138_rule(p))  // '@' named_expression NEWLINE
@@ -15640,6 +19127,7 @@
                 if (!_new_children) {
                     p->error_indicator = 1;
                     PyErr_NoMemory();
+                    D(p->level--);
                     return NULL;
                 }
                 _children = _new_children;
@@ -15648,9 +19136,12 @@
             _mark = p->mark;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _loop1_67[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "('@' named_expression NEWLINE)"));
     }
     if (_n == 0 || p->error_indicator) {
         PyMem_Free(_children);
+        D(p->level--);
         return NULL;
     }
     asdl_seq *_seq = _Py_asdl_seq_new(_n, p->arena);
@@ -15658,11 +19149,13 @@
         PyMem_Free(_children);
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     for (int i = 0; i < _n; i++) asdl_seq_SET(_seq, i, _children[i]);
     PyMem_Free(_children);
     _PyPegen_insert_memo(p, _start_mark, _loop1_67_type, _seq);
+    D(p->level--);
     return _seq;
 }
 
@@ -15670,15 +19163,19 @@
 static void *
 _tmp_68_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void * _res = NULL;
     int _mark = p->mark;
     { // '(' arguments? ')'
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _tmp_68[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'(' arguments? ')'"));
         Token * _literal;
         Token * _literal_1;
         void *z;
@@ -15690,17 +19187,22 @@
             (_literal_1 = _PyPegen_expect_token(p, 8))  // token=')'
         )
         {
+            D(fprintf(stderr, "%*c+ _tmp_68[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'(' arguments? ')'"));
             _res = z;
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _tmp_68[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'(' arguments? ')'"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -15708,7 +19210,9 @@
 static asdl_seq *
 _loop0_70_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void *_res = NULL;
@@ -15718,14 +19222,17 @@
     if (!_children) {
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     ssize_t _children_capacity = 1;
     ssize_t _n = 0;
     { // ',' star_expression
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _loop0_70[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "',' star_expression"));
         Token * _literal;
         expr_ty elem;
         while (
@@ -15738,6 +19245,7 @@
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
                 PyMem_Free(_children);
+                D(p->level--);
                 return NULL;
             }
             if (_n == _children_capacity) {
@@ -15746,6 +19254,7 @@
                 if (!_new_children) {
                     p->error_indicator = 1;
                     PyErr_NoMemory();
+                    D(p->level--);
                     return NULL;
                 }
                 _children = _new_children;
@@ -15754,17 +19263,21 @@
             _mark = p->mark;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _loop0_70[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "',' star_expression"));
     }
     asdl_seq *_seq = _Py_asdl_seq_new(_n, p->arena);
     if (!_seq) {
         PyMem_Free(_children);
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     for (int i = 0; i < _n; i++) asdl_seq_SET(_seq, i, _children[i]);
     PyMem_Free(_children);
     _PyPegen_insert_memo(p, _start_mark, _loop0_70_type, _seq);
+    D(p->level--);
     return _seq;
 }
 
@@ -15772,15 +19285,19 @@
 static asdl_seq *
 _gather_69_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     asdl_seq * _res = NULL;
     int _mark = p->mark;
     { // star_expression _loop0_70
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _gather_69[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "star_expression _loop0_70"));
         expr_ty elem;
         asdl_seq * seq;
         if (
@@ -15789,13 +19306,17 @@
             (seq = _loop0_70_rule(p))  // _loop0_70
         )
         {
+            D(fprintf(stderr, "%*c+ _gather_69[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "star_expression _loop0_70"));
             _res = _PyPegen_seq_insert_in_front(p, elem, seq);
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _gather_69[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "star_expression _loop0_70"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -15803,7 +19324,9 @@
 static asdl_seq *
 _loop1_71_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void *_res = NULL;
@@ -15813,14 +19336,17 @@
     if (!_children) {
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     ssize_t _children_capacity = 1;
     ssize_t _n = 0;
     { // (',' star_expression)
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _loop1_71[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "(',' star_expression)"));
         void *_tmp_139_var;
         while (
             (_tmp_139_var = _tmp_139_rule(p))  // ',' star_expression
@@ -15833,6 +19359,7 @@
                 if (!_new_children) {
                     p->error_indicator = 1;
                     PyErr_NoMemory();
+                    D(p->level--);
                     return NULL;
                 }
                 _children = _new_children;
@@ -15841,9 +19368,12 @@
             _mark = p->mark;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _loop1_71[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "(',' star_expression)"));
     }
     if (_n == 0 || p->error_indicator) {
         PyMem_Free(_children);
+        D(p->level--);
         return NULL;
     }
     asdl_seq *_seq = _Py_asdl_seq_new(_n, p->arena);
@@ -15851,11 +19381,13 @@
         PyMem_Free(_children);
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     for (int i = 0; i < _n; i++) asdl_seq_SET(_seq, i, _children[i]);
     PyMem_Free(_children);
     _PyPegen_insert_memo(p, _start_mark, _loop1_71_type, _seq);
+    D(p->level--);
     return _seq;
 }
 
@@ -15863,7 +19395,9 @@
 static asdl_seq *
 _loop0_73_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void *_res = NULL;
@@ -15873,14 +19407,17 @@
     if (!_children) {
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     ssize_t _children_capacity = 1;
     ssize_t _n = 0;
     { // ',' star_named_expression
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _loop0_73[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "',' star_named_expression"));
         Token * _literal;
         expr_ty elem;
         while (
@@ -15893,6 +19430,7 @@
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
                 PyMem_Free(_children);
+                D(p->level--);
                 return NULL;
             }
             if (_n == _children_capacity) {
@@ -15901,6 +19439,7 @@
                 if (!_new_children) {
                     p->error_indicator = 1;
                     PyErr_NoMemory();
+                    D(p->level--);
                     return NULL;
                 }
                 _children = _new_children;
@@ -15909,17 +19448,21 @@
             _mark = p->mark;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _loop0_73[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "',' star_named_expression"));
     }
     asdl_seq *_seq = _Py_asdl_seq_new(_n, p->arena);
     if (!_seq) {
         PyMem_Free(_children);
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     for (int i = 0; i < _n; i++) asdl_seq_SET(_seq, i, _children[i]);
     PyMem_Free(_children);
     _PyPegen_insert_memo(p, _start_mark, _loop0_73_type, _seq);
+    D(p->level--);
     return _seq;
 }
 
@@ -15927,15 +19470,19 @@
 static asdl_seq *
 _gather_72_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     asdl_seq * _res = NULL;
     int _mark = p->mark;
     { // star_named_expression _loop0_73
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _gather_72[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "star_named_expression _loop0_73"));
         expr_ty elem;
         asdl_seq * seq;
         if (
@@ -15944,13 +19491,17 @@
             (seq = _loop0_73_rule(p))  // _loop0_73
         )
         {
+            D(fprintf(stderr, "%*c+ _gather_72[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "star_named_expression _loop0_73"));
             _res = _PyPegen_seq_insert_in_front(p, elem, seq);
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _gather_72[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "star_named_expression _loop0_73"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -15958,7 +19509,9 @@
 static asdl_seq *
 _loop1_74_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void *_res = NULL;
@@ -15968,14 +19521,17 @@
     if (!_children) {
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     ssize_t _children_capacity = 1;
     ssize_t _n = 0;
     { // (',' expression)
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _loop1_74[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "(',' expression)"));
         void *_tmp_140_var;
         while (
             (_tmp_140_var = _tmp_140_rule(p))  // ',' expression
@@ -15988,6 +19544,7 @@
                 if (!_new_children) {
                     p->error_indicator = 1;
                     PyErr_NoMemory();
+                    D(p->level--);
                     return NULL;
                 }
                 _children = _new_children;
@@ -15996,9 +19553,12 @@
             _mark = p->mark;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _loop1_74[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "(',' expression)"));
     }
     if (_n == 0 || p->error_indicator) {
         PyMem_Free(_children);
+        D(p->level--);
         return NULL;
     }
     asdl_seq *_seq = _Py_asdl_seq_new(_n, p->arena);
@@ -16006,11 +19566,13 @@
         PyMem_Free(_children);
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     for (int i = 0; i < _n; i++) asdl_seq_SET(_seq, i, _children[i]);
     PyMem_Free(_children);
     _PyPegen_insert_memo(p, _start_mark, _loop1_74_type, _seq);
+    D(p->level--);
     return _seq;
 }
 
@@ -16018,7 +19580,9 @@
 static asdl_seq *
 _loop0_75_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void *_res = NULL;
@@ -16028,14 +19592,17 @@
     if (!_children) {
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     ssize_t _children_capacity = 1;
     ssize_t _n = 0;
     { // lambda_param_no_default
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _loop0_75[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "lambda_param_no_default"));
         arg_ty lambda_param_no_default_var;
         while (
             (lambda_param_no_default_var = lambda_param_no_default_rule(p))  // lambda_param_no_default
@@ -16048,6 +19615,7 @@
                 if (!_new_children) {
                     p->error_indicator = 1;
                     PyErr_NoMemory();
+                    D(p->level--);
                     return NULL;
                 }
                 _children = _new_children;
@@ -16056,17 +19624,21 @@
             _mark = p->mark;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _loop0_75[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "lambda_param_no_default"));
     }
     asdl_seq *_seq = _Py_asdl_seq_new(_n, p->arena);
     if (!_seq) {
         PyMem_Free(_children);
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     for (int i = 0; i < _n; i++) asdl_seq_SET(_seq, i, _children[i]);
     PyMem_Free(_children);
     _PyPegen_insert_memo(p, _start_mark, _loop0_75_type, _seq);
+    D(p->level--);
     return _seq;
 }
 
@@ -16074,7 +19646,9 @@
 static asdl_seq *
 _loop0_76_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void *_res = NULL;
@@ -16084,14 +19658,17 @@
     if (!_children) {
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     ssize_t _children_capacity = 1;
     ssize_t _n = 0;
     { // lambda_param_with_default
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _loop0_76[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "lambda_param_with_default"));
         NameDefaultPair* lambda_param_with_default_var;
         while (
             (lambda_param_with_default_var = lambda_param_with_default_rule(p))  // lambda_param_with_default
@@ -16104,6 +19681,7 @@
                 if (!_new_children) {
                     p->error_indicator = 1;
                     PyErr_NoMemory();
+                    D(p->level--);
                     return NULL;
                 }
                 _children = _new_children;
@@ -16112,17 +19690,21 @@
             _mark = p->mark;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _loop0_76[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "lambda_param_with_default"));
     }
     asdl_seq *_seq = _Py_asdl_seq_new(_n, p->arena);
     if (!_seq) {
         PyMem_Free(_children);
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     for (int i = 0; i < _n; i++) asdl_seq_SET(_seq, i, _children[i]);
     PyMem_Free(_children);
     _PyPegen_insert_memo(p, _start_mark, _loop0_76_type, _seq);
+    D(p->level--);
     return _seq;
 }
 
@@ -16130,7 +19712,9 @@
 static asdl_seq *
 _loop0_77_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void *_res = NULL;
@@ -16140,14 +19724,17 @@
     if (!_children) {
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     ssize_t _children_capacity = 1;
     ssize_t _n = 0;
     { // lambda_param_with_default
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _loop0_77[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "lambda_param_with_default"));
         NameDefaultPair* lambda_param_with_default_var;
         while (
             (lambda_param_with_default_var = lambda_param_with_default_rule(p))  // lambda_param_with_default
@@ -16160,6 +19747,7 @@
                 if (!_new_children) {
                     p->error_indicator = 1;
                     PyErr_NoMemory();
+                    D(p->level--);
                     return NULL;
                 }
                 _children = _new_children;
@@ -16168,17 +19756,21 @@
             _mark = p->mark;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _loop0_77[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "lambda_param_with_default"));
     }
     asdl_seq *_seq = _Py_asdl_seq_new(_n, p->arena);
     if (!_seq) {
         PyMem_Free(_children);
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     for (int i = 0; i < _n; i++) asdl_seq_SET(_seq, i, _children[i]);
     PyMem_Free(_children);
     _PyPegen_insert_memo(p, _start_mark, _loop0_77_type, _seq);
+    D(p->level--);
     return _seq;
 }
 
@@ -16186,7 +19778,9 @@
 static asdl_seq *
 _loop1_78_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void *_res = NULL;
@@ -16196,14 +19790,17 @@
     if (!_children) {
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     ssize_t _children_capacity = 1;
     ssize_t _n = 0;
     { // lambda_param_no_default
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _loop1_78[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "lambda_param_no_default"));
         arg_ty lambda_param_no_default_var;
         while (
             (lambda_param_no_default_var = lambda_param_no_default_rule(p))  // lambda_param_no_default
@@ -16216,6 +19813,7 @@
                 if (!_new_children) {
                     p->error_indicator = 1;
                     PyErr_NoMemory();
+                    D(p->level--);
                     return NULL;
                 }
                 _children = _new_children;
@@ -16224,9 +19822,12 @@
             _mark = p->mark;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _loop1_78[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "lambda_param_no_default"));
     }
     if (_n == 0 || p->error_indicator) {
         PyMem_Free(_children);
+        D(p->level--);
         return NULL;
     }
     asdl_seq *_seq = _Py_asdl_seq_new(_n, p->arena);
@@ -16234,11 +19835,13 @@
         PyMem_Free(_children);
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     for (int i = 0; i < _n; i++) asdl_seq_SET(_seq, i, _children[i]);
     PyMem_Free(_children);
     _PyPegen_insert_memo(p, _start_mark, _loop1_78_type, _seq);
+    D(p->level--);
     return _seq;
 }
 
@@ -16246,7 +19849,9 @@
 static asdl_seq *
 _loop0_79_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void *_res = NULL;
@@ -16256,14 +19861,17 @@
     if (!_children) {
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     ssize_t _children_capacity = 1;
     ssize_t _n = 0;
     { // lambda_param_with_default
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _loop0_79[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "lambda_param_with_default"));
         NameDefaultPair* lambda_param_with_default_var;
         while (
             (lambda_param_with_default_var = lambda_param_with_default_rule(p))  // lambda_param_with_default
@@ -16276,6 +19884,7 @@
                 if (!_new_children) {
                     p->error_indicator = 1;
                     PyErr_NoMemory();
+                    D(p->level--);
                     return NULL;
                 }
                 _children = _new_children;
@@ -16284,17 +19893,21 @@
             _mark = p->mark;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _loop0_79[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "lambda_param_with_default"));
     }
     asdl_seq *_seq = _Py_asdl_seq_new(_n, p->arena);
     if (!_seq) {
         PyMem_Free(_children);
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     for (int i = 0; i < _n; i++) asdl_seq_SET(_seq, i, _children[i]);
     PyMem_Free(_children);
     _PyPegen_insert_memo(p, _start_mark, _loop0_79_type, _seq);
+    D(p->level--);
     return _seq;
 }
 
@@ -16302,7 +19915,9 @@
 static asdl_seq *
 _loop1_80_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void *_res = NULL;
@@ -16312,14 +19927,17 @@
     if (!_children) {
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     ssize_t _children_capacity = 1;
     ssize_t _n = 0;
     { // lambda_param_with_default
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _loop1_80[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "lambda_param_with_default"));
         NameDefaultPair* lambda_param_with_default_var;
         while (
             (lambda_param_with_default_var = lambda_param_with_default_rule(p))  // lambda_param_with_default
@@ -16332,6 +19950,7 @@
                 if (!_new_children) {
                     p->error_indicator = 1;
                     PyErr_NoMemory();
+                    D(p->level--);
                     return NULL;
                 }
                 _children = _new_children;
@@ -16340,9 +19959,12 @@
             _mark = p->mark;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _loop1_80[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "lambda_param_with_default"));
     }
     if (_n == 0 || p->error_indicator) {
         PyMem_Free(_children);
+        D(p->level--);
         return NULL;
     }
     asdl_seq *_seq = _Py_asdl_seq_new(_n, p->arena);
@@ -16350,11 +19972,13 @@
         PyMem_Free(_children);
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     for (int i = 0; i < _n; i++) asdl_seq_SET(_seq, i, _children[i]);
     PyMem_Free(_children);
     _PyPegen_insert_memo(p, _start_mark, _loop1_80_type, _seq);
+    D(p->level--);
     return _seq;
 }
 
@@ -16362,7 +19986,9 @@
 static asdl_seq *
 _loop1_81_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void *_res = NULL;
@@ -16372,14 +19998,17 @@
     if (!_children) {
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     ssize_t _children_capacity = 1;
     ssize_t _n = 0;
     { // lambda_param_no_default
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _loop1_81[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "lambda_param_no_default"));
         arg_ty lambda_param_no_default_var;
         while (
             (lambda_param_no_default_var = lambda_param_no_default_rule(p))  // lambda_param_no_default
@@ -16392,6 +20021,7 @@
                 if (!_new_children) {
                     p->error_indicator = 1;
                     PyErr_NoMemory();
+                    D(p->level--);
                     return NULL;
                 }
                 _children = _new_children;
@@ -16400,9 +20030,12 @@
             _mark = p->mark;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _loop1_81[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "lambda_param_no_default"));
     }
     if (_n == 0 || p->error_indicator) {
         PyMem_Free(_children);
+        D(p->level--);
         return NULL;
     }
     asdl_seq *_seq = _Py_asdl_seq_new(_n, p->arena);
@@ -16410,11 +20043,13 @@
         PyMem_Free(_children);
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     for (int i = 0; i < _n; i++) asdl_seq_SET(_seq, i, _children[i]);
     PyMem_Free(_children);
     _PyPegen_insert_memo(p, _start_mark, _loop1_81_type, _seq);
+    D(p->level--);
     return _seq;
 }
 
@@ -16422,7 +20057,9 @@
 static asdl_seq *
 _loop1_82_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void *_res = NULL;
@@ -16432,14 +20069,17 @@
     if (!_children) {
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     ssize_t _children_capacity = 1;
     ssize_t _n = 0;
     { // lambda_param_no_default
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _loop1_82[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "lambda_param_no_default"));
         arg_ty lambda_param_no_default_var;
         while (
             (lambda_param_no_default_var = lambda_param_no_default_rule(p))  // lambda_param_no_default
@@ -16452,6 +20092,7 @@
                 if (!_new_children) {
                     p->error_indicator = 1;
                     PyErr_NoMemory();
+                    D(p->level--);
                     return NULL;
                 }
                 _children = _new_children;
@@ -16460,9 +20101,12 @@
             _mark = p->mark;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _loop1_82[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "lambda_param_no_default"));
     }
     if (_n == 0 || p->error_indicator) {
         PyMem_Free(_children);
+        D(p->level--);
         return NULL;
     }
     asdl_seq *_seq = _Py_asdl_seq_new(_n, p->arena);
@@ -16470,11 +20114,13 @@
         PyMem_Free(_children);
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     for (int i = 0; i < _n; i++) asdl_seq_SET(_seq, i, _children[i]);
     PyMem_Free(_children);
     _PyPegen_insert_memo(p, _start_mark, _loop1_82_type, _seq);
+    D(p->level--);
     return _seq;
 }
 
@@ -16482,7 +20128,9 @@
 static asdl_seq *
 _loop0_83_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void *_res = NULL;
@@ -16492,14 +20140,17 @@
     if (!_children) {
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     ssize_t _children_capacity = 1;
     ssize_t _n = 0;
     { // lambda_param_no_default
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _loop0_83[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "lambda_param_no_default"));
         arg_ty lambda_param_no_default_var;
         while (
             (lambda_param_no_default_var = lambda_param_no_default_rule(p))  // lambda_param_no_default
@@ -16512,6 +20163,7 @@
                 if (!_new_children) {
                     p->error_indicator = 1;
                     PyErr_NoMemory();
+                    D(p->level--);
                     return NULL;
                 }
                 _children = _new_children;
@@ -16520,17 +20172,21 @@
             _mark = p->mark;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _loop0_83[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "lambda_param_no_default"));
     }
     asdl_seq *_seq = _Py_asdl_seq_new(_n, p->arena);
     if (!_seq) {
         PyMem_Free(_children);
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     for (int i = 0; i < _n; i++) asdl_seq_SET(_seq, i, _children[i]);
     PyMem_Free(_children);
     _PyPegen_insert_memo(p, _start_mark, _loop0_83_type, _seq);
+    D(p->level--);
     return _seq;
 }
 
@@ -16538,7 +20194,9 @@
 static asdl_seq *
 _loop1_84_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void *_res = NULL;
@@ -16548,14 +20206,17 @@
     if (!_children) {
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     ssize_t _children_capacity = 1;
     ssize_t _n = 0;
     { // lambda_param_with_default
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _loop1_84[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "lambda_param_with_default"));
         NameDefaultPair* lambda_param_with_default_var;
         while (
             (lambda_param_with_default_var = lambda_param_with_default_rule(p))  // lambda_param_with_default
@@ -16568,6 +20229,7 @@
                 if (!_new_children) {
                     p->error_indicator = 1;
                     PyErr_NoMemory();
+                    D(p->level--);
                     return NULL;
                 }
                 _children = _new_children;
@@ -16576,9 +20238,12 @@
             _mark = p->mark;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _loop1_84[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "lambda_param_with_default"));
     }
     if (_n == 0 || p->error_indicator) {
         PyMem_Free(_children);
+        D(p->level--);
         return NULL;
     }
     asdl_seq *_seq = _Py_asdl_seq_new(_n, p->arena);
@@ -16586,11 +20251,13 @@
         PyMem_Free(_children);
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     for (int i = 0; i < _n; i++) asdl_seq_SET(_seq, i, _children[i]);
     PyMem_Free(_children);
     _PyPegen_insert_memo(p, _start_mark, _loop1_84_type, _seq);
+    D(p->level--);
     return _seq;
 }
 
@@ -16598,7 +20265,9 @@
 static asdl_seq *
 _loop0_85_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void *_res = NULL;
@@ -16608,14 +20277,17 @@
     if (!_children) {
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     ssize_t _children_capacity = 1;
     ssize_t _n = 0;
     { // lambda_param_no_default
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _loop0_85[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "lambda_param_no_default"));
         arg_ty lambda_param_no_default_var;
         while (
             (lambda_param_no_default_var = lambda_param_no_default_rule(p))  // lambda_param_no_default
@@ -16628,6 +20300,7 @@
                 if (!_new_children) {
                     p->error_indicator = 1;
                     PyErr_NoMemory();
+                    D(p->level--);
                     return NULL;
                 }
                 _children = _new_children;
@@ -16636,17 +20309,21 @@
             _mark = p->mark;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _loop0_85[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "lambda_param_no_default"));
     }
     asdl_seq *_seq = _Py_asdl_seq_new(_n, p->arena);
     if (!_seq) {
         PyMem_Free(_children);
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     for (int i = 0; i < _n; i++) asdl_seq_SET(_seq, i, _children[i]);
     PyMem_Free(_children);
     _PyPegen_insert_memo(p, _start_mark, _loop0_85_type, _seq);
+    D(p->level--);
     return _seq;
 }
 
@@ -16654,7 +20331,9 @@
 static asdl_seq *
 _loop1_86_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void *_res = NULL;
@@ -16664,14 +20343,17 @@
     if (!_children) {
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     ssize_t _children_capacity = 1;
     ssize_t _n = 0;
     { // lambda_param_with_default
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _loop1_86[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "lambda_param_with_default"));
         NameDefaultPair* lambda_param_with_default_var;
         while (
             (lambda_param_with_default_var = lambda_param_with_default_rule(p))  // lambda_param_with_default
@@ -16684,6 +20366,7 @@
                 if (!_new_children) {
                     p->error_indicator = 1;
                     PyErr_NoMemory();
+                    D(p->level--);
                     return NULL;
                 }
                 _children = _new_children;
@@ -16692,9 +20375,12 @@
             _mark = p->mark;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _loop1_86[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "lambda_param_with_default"));
     }
     if (_n == 0 || p->error_indicator) {
         PyMem_Free(_children);
+        D(p->level--);
         return NULL;
     }
     asdl_seq *_seq = _Py_asdl_seq_new(_n, p->arena);
@@ -16702,11 +20388,13 @@
         PyMem_Free(_children);
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     for (int i = 0; i < _n; i++) asdl_seq_SET(_seq, i, _children[i]);
     PyMem_Free(_children);
     _PyPegen_insert_memo(p, _start_mark, _loop1_86_type, _seq);
+    D(p->level--);
     return _seq;
 }
 
@@ -16714,7 +20402,9 @@
 static asdl_seq *
 _loop0_87_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void *_res = NULL;
@@ -16724,14 +20414,17 @@
     if (!_children) {
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     ssize_t _children_capacity = 1;
     ssize_t _n = 0;
     { // lambda_param_maybe_default
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _loop0_87[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "lambda_param_maybe_default"));
         NameDefaultPair* lambda_param_maybe_default_var;
         while (
             (lambda_param_maybe_default_var = lambda_param_maybe_default_rule(p))  // lambda_param_maybe_default
@@ -16744,6 +20437,7 @@
                 if (!_new_children) {
                     p->error_indicator = 1;
                     PyErr_NoMemory();
+                    D(p->level--);
                     return NULL;
                 }
                 _children = _new_children;
@@ -16752,17 +20446,21 @@
             _mark = p->mark;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _loop0_87[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "lambda_param_maybe_default"));
     }
     asdl_seq *_seq = _Py_asdl_seq_new(_n, p->arena);
     if (!_seq) {
         PyMem_Free(_children);
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     for (int i = 0; i < _n; i++) asdl_seq_SET(_seq, i, _children[i]);
     PyMem_Free(_children);
     _PyPegen_insert_memo(p, _start_mark, _loop0_87_type, _seq);
+    D(p->level--);
     return _seq;
 }
 
@@ -16770,7 +20468,9 @@
 static asdl_seq *
 _loop1_88_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void *_res = NULL;
@@ -16780,14 +20480,17 @@
     if (!_children) {
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     ssize_t _children_capacity = 1;
     ssize_t _n = 0;
     { // lambda_param_maybe_default
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _loop1_88[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "lambda_param_maybe_default"));
         NameDefaultPair* lambda_param_maybe_default_var;
         while (
             (lambda_param_maybe_default_var = lambda_param_maybe_default_rule(p))  // lambda_param_maybe_default
@@ -16800,6 +20503,7 @@
                 if (!_new_children) {
                     p->error_indicator = 1;
                     PyErr_NoMemory();
+                    D(p->level--);
                     return NULL;
                 }
                 _children = _new_children;
@@ -16808,9 +20512,12 @@
             _mark = p->mark;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _loop1_88[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "lambda_param_maybe_default"));
     }
     if (_n == 0 || p->error_indicator) {
         PyMem_Free(_children);
+        D(p->level--);
         return NULL;
     }
     asdl_seq *_seq = _Py_asdl_seq_new(_n, p->arena);
@@ -16818,11 +20525,13 @@
         PyMem_Free(_children);
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     for (int i = 0; i < _n; i++) asdl_seq_SET(_seq, i, _children[i]);
     PyMem_Free(_children);
     _PyPegen_insert_memo(p, _start_mark, _loop1_88_type, _seq);
+    D(p->level--);
     return _seq;
 }
 
@@ -16830,7 +20539,9 @@
 static asdl_seq *
 _loop1_89_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void *_res = NULL;
@@ -16840,14 +20551,17 @@
     if (!_children) {
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     ssize_t _children_capacity = 1;
     ssize_t _n = 0;
     { // ('or' conjunction)
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _loop1_89[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "('or' conjunction)"));
         void *_tmp_141_var;
         while (
             (_tmp_141_var = _tmp_141_rule(p))  // 'or' conjunction
@@ -16860,6 +20574,7 @@
                 if (!_new_children) {
                     p->error_indicator = 1;
                     PyErr_NoMemory();
+                    D(p->level--);
                     return NULL;
                 }
                 _children = _new_children;
@@ -16868,9 +20583,12 @@
             _mark = p->mark;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _loop1_89[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "('or' conjunction)"));
     }
     if (_n == 0 || p->error_indicator) {
         PyMem_Free(_children);
+        D(p->level--);
         return NULL;
     }
     asdl_seq *_seq = _Py_asdl_seq_new(_n, p->arena);
@@ -16878,11 +20596,13 @@
         PyMem_Free(_children);
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     for (int i = 0; i < _n; i++) asdl_seq_SET(_seq, i, _children[i]);
     PyMem_Free(_children);
     _PyPegen_insert_memo(p, _start_mark, _loop1_89_type, _seq);
+    D(p->level--);
     return _seq;
 }
 
@@ -16890,7 +20610,9 @@
 static asdl_seq *
 _loop1_90_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void *_res = NULL;
@@ -16900,14 +20622,17 @@
     if (!_children) {
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     ssize_t _children_capacity = 1;
     ssize_t _n = 0;
     { // ('and' inversion)
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _loop1_90[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "('and' inversion)"));
         void *_tmp_142_var;
         while (
             (_tmp_142_var = _tmp_142_rule(p))  // 'and' inversion
@@ -16920,6 +20645,7 @@
                 if (!_new_children) {
                     p->error_indicator = 1;
                     PyErr_NoMemory();
+                    D(p->level--);
                     return NULL;
                 }
                 _children = _new_children;
@@ -16928,9 +20654,12 @@
             _mark = p->mark;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _loop1_90[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "('and' inversion)"));
     }
     if (_n == 0 || p->error_indicator) {
         PyMem_Free(_children);
+        D(p->level--);
         return NULL;
     }
     asdl_seq *_seq = _Py_asdl_seq_new(_n, p->arena);
@@ -16938,11 +20667,13 @@
         PyMem_Free(_children);
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     for (int i = 0; i < _n; i++) asdl_seq_SET(_seq, i, _children[i]);
     PyMem_Free(_children);
     _PyPegen_insert_memo(p, _start_mark, _loop1_90_type, _seq);
+    D(p->level--);
     return _seq;
 }
 
@@ -16950,7 +20681,9 @@
 static asdl_seq *
 _loop1_91_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void *_res = NULL;
@@ -16960,14 +20693,17 @@
     if (!_children) {
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     ssize_t _children_capacity = 1;
     ssize_t _n = 0;
     { // compare_op_bitwise_or_pair
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _loop1_91[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "compare_op_bitwise_or_pair"));
         CmpopExprPair* compare_op_bitwise_or_pair_var;
         while (
             (compare_op_bitwise_or_pair_var = compare_op_bitwise_or_pair_rule(p))  // compare_op_bitwise_or_pair
@@ -16980,6 +20716,7 @@
                 if (!_new_children) {
                     p->error_indicator = 1;
                     PyErr_NoMemory();
+                    D(p->level--);
                     return NULL;
                 }
                 _children = _new_children;
@@ -16988,9 +20725,12 @@
             _mark = p->mark;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _loop1_91[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "compare_op_bitwise_or_pair"));
     }
     if (_n == 0 || p->error_indicator) {
         PyMem_Free(_children);
+        D(p->level--);
         return NULL;
     }
     asdl_seq *_seq = _Py_asdl_seq_new(_n, p->arena);
@@ -16998,11 +20738,13 @@
         PyMem_Free(_children);
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     for (int i = 0; i < _n; i++) asdl_seq_SET(_seq, i, _children[i]);
     PyMem_Free(_children);
     _PyPegen_insert_memo(p, _start_mark, _loop1_91_type, _seq);
+    D(p->level--);
     return _seq;
 }
 
@@ -17010,31 +20752,40 @@
 static void *
 _tmp_92_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void * _res = NULL;
     int _mark = p->mark;
     { // '!='
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _tmp_92[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'!='"));
         Token * tok;
         if (
             (tok = _PyPegen_expect_token(p, 28))  // token='!='
         )
         {
+            D(fprintf(stderr, "%*c+ _tmp_92[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'!='"));
             _res = _PyPegen_check_barry_as_flufl ( p ) ? NULL : tok;
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _tmp_92[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'!='"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -17042,7 +20793,9 @@
 static asdl_seq *
 _loop0_94_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void *_res = NULL;
@@ -17052,14 +20805,17 @@
     if (!_children) {
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     ssize_t _children_capacity = 1;
     ssize_t _n = 0;
     { // ',' slice
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _loop0_94[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "',' slice"));
         Token * _literal;
         expr_ty elem;
         while (
@@ -17072,6 +20828,7 @@
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
                 PyMem_Free(_children);
+                D(p->level--);
                 return NULL;
             }
             if (_n == _children_capacity) {
@@ -17080,6 +20837,7 @@
                 if (!_new_children) {
                     p->error_indicator = 1;
                     PyErr_NoMemory();
+                    D(p->level--);
                     return NULL;
                 }
                 _children = _new_children;
@@ -17088,17 +20846,21 @@
             _mark = p->mark;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _loop0_94[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "',' slice"));
     }
     asdl_seq *_seq = _Py_asdl_seq_new(_n, p->arena);
     if (!_seq) {
         PyMem_Free(_children);
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     for (int i = 0; i < _n; i++) asdl_seq_SET(_seq, i, _children[i]);
     PyMem_Free(_children);
     _PyPegen_insert_memo(p, _start_mark, _loop0_94_type, _seq);
+    D(p->level--);
     return _seq;
 }
 
@@ -17106,15 +20868,19 @@
 static asdl_seq *
 _gather_93_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     asdl_seq * _res = NULL;
     int _mark = p->mark;
     { // slice _loop0_94
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _gather_93[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "slice _loop0_94"));
         expr_ty elem;
         asdl_seq * seq;
         if (
@@ -17123,13 +20889,17 @@
             (seq = _loop0_94_rule(p))  // _loop0_94
         )
         {
+            D(fprintf(stderr, "%*c+ _gather_93[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "slice _loop0_94"));
             _res = _PyPegen_seq_insert_in_front(p, elem, seq);
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _gather_93[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "slice _loop0_94"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -17137,15 +20907,19 @@
 static void *
 _tmp_95_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void * _res = NULL;
     int _mark = p->mark;
     { // ':' expression?
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _tmp_95[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "':' expression?"));
         Token * _literal;
         void *d;
         if (
@@ -17154,17 +20928,22 @@
             (d = expression_rule(p), 1)  // expression?
         )
         {
+            D(fprintf(stderr, "%*c+ _tmp_95[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "':' expression?"));
             _res = d;
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _tmp_95[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "':' expression?"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -17172,55 +20951,73 @@
 static void *
 _tmp_96_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void * _res = NULL;
     int _mark = p->mark;
     { // tuple
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _tmp_96[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "tuple"));
         expr_ty tuple_var;
         if (
             (tuple_var = tuple_rule(p))  // tuple
         )
         {
+            D(fprintf(stderr, "%*c+ _tmp_96[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "tuple"));
             _res = tuple_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _tmp_96[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "tuple"));
     }
     { // group
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _tmp_96[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "group"));
         expr_ty group_var;
         if (
             (group_var = group_rule(p))  // group
         )
         {
+            D(fprintf(stderr, "%*c+ _tmp_96[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "group"));
             _res = group_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _tmp_96[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "group"));
     }
     { // genexp
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _tmp_96[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "genexp"));
         expr_ty genexp_var;
         if (
             (genexp_var = genexp_rule(p))  // genexp
         )
         {
+            D(fprintf(stderr, "%*c+ _tmp_96[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "genexp"));
             _res = genexp_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _tmp_96[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "genexp"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -17228,41 +21025,54 @@
 static void *
 _tmp_97_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void * _res = NULL;
     int _mark = p->mark;
     { // list
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _tmp_97[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "list"));
         expr_ty list_var;
         if (
             (list_var = list_rule(p))  // list
         )
         {
+            D(fprintf(stderr, "%*c+ _tmp_97[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "list"));
             _res = list_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _tmp_97[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "list"));
     }
     { // listcomp
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _tmp_97[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "listcomp"));
         expr_ty listcomp_var;
         if (
             (listcomp_var = listcomp_rule(p))  // listcomp
         )
         {
+            D(fprintf(stderr, "%*c+ _tmp_97[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "listcomp"));
             _res = listcomp_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _tmp_97[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "listcomp"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -17270,69 +21080,92 @@
 static void *
 _tmp_98_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void * _res = NULL;
     int _mark = p->mark;
     { // dict
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _tmp_98[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "dict"));
         expr_ty dict_var;
         if (
             (dict_var = dict_rule(p))  // dict
         )
         {
+            D(fprintf(stderr, "%*c+ _tmp_98[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "dict"));
             _res = dict_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _tmp_98[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "dict"));
     }
     { // set
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _tmp_98[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "set"));
         expr_ty set_var;
         if (
             (set_var = set_rule(p))  // set
         )
         {
+            D(fprintf(stderr, "%*c+ _tmp_98[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "set"));
             _res = set_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _tmp_98[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "set"));
     }
     { // dictcomp
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _tmp_98[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "dictcomp"));
         expr_ty dictcomp_var;
         if (
             (dictcomp_var = dictcomp_rule(p))  // dictcomp
         )
         {
+            D(fprintf(stderr, "%*c+ _tmp_98[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "dictcomp"));
             _res = dictcomp_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _tmp_98[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "dictcomp"));
     }
     { // setcomp
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _tmp_98[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "setcomp"));
         expr_ty setcomp_var;
         if (
             (setcomp_var = setcomp_rule(p))  // setcomp
         )
         {
+            D(fprintf(stderr, "%*c+ _tmp_98[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "setcomp"));
             _res = setcomp_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _tmp_98[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "setcomp"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -17340,7 +21173,9 @@
 static asdl_seq *
 _loop1_99_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void *_res = NULL;
@@ -17350,14 +21185,17 @@
     if (!_children) {
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     ssize_t _children_capacity = 1;
     ssize_t _n = 0;
     { // STRING
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _loop1_99[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "STRING"));
         expr_ty string_var;
         while (
             (string_var = _PyPegen_string_token(p))  // STRING
@@ -17370,6 +21208,7 @@
                 if (!_new_children) {
                     p->error_indicator = 1;
                     PyErr_NoMemory();
+                    D(p->level--);
                     return NULL;
                 }
                 _children = _new_children;
@@ -17378,9 +21217,12 @@
             _mark = p->mark;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _loop1_99[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "STRING"));
     }
     if (_n == 0 || p->error_indicator) {
         PyMem_Free(_children);
+        D(p->level--);
         return NULL;
     }
     asdl_seq *_seq = _Py_asdl_seq_new(_n, p->arena);
@@ -17388,11 +21230,13 @@
         PyMem_Free(_children);
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     for (int i = 0; i < _n; i++) asdl_seq_SET(_seq, i, _children[i]);
     PyMem_Free(_children);
     _PyPegen_insert_memo(p, _start_mark, _loop1_99_type, _seq);
+    D(p->level--);
     return _seq;
 }
 
@@ -17400,15 +21244,19 @@
 static void *
 _tmp_100_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void * _res = NULL;
     int _mark = p->mark;
     { // star_named_expression ',' star_named_expressions?
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _tmp_100[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "star_named_expression ',' star_named_expressions?"));
         Token * _literal;
         expr_ty y;
         void *z;
@@ -17420,17 +21268,22 @@
             (z = star_named_expressions_rule(p), 1)  // star_named_expressions?
         )
         {
+            D(fprintf(stderr, "%*c+ _tmp_100[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "star_named_expression ',' star_named_expressions?"));
             _res = _PyPegen_seq_insert_in_front ( p , y , z );
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _tmp_100[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "star_named_expression ',' star_named_expressions?"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -17438,41 +21291,54 @@
 static void *
 _tmp_101_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void * _res = NULL;
     int _mark = p->mark;
     { // yield_expr
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _tmp_101[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "yield_expr"));
         expr_ty yield_expr_var;
         if (
             (yield_expr_var = yield_expr_rule(p))  // yield_expr
         )
         {
+            D(fprintf(stderr, "%*c+ _tmp_101[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "yield_expr"));
             _res = yield_expr_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _tmp_101[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "yield_expr"));
     }
     { // named_expression
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _tmp_101[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "named_expression"));
         expr_ty named_expression_var;
         if (
             (named_expression_var = named_expression_rule(p))  // named_expression
         )
         {
+            D(fprintf(stderr, "%*c+ _tmp_101[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "named_expression"));
             _res = named_expression_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _tmp_101[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "named_expression"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -17480,7 +21346,9 @@
 static asdl_seq *
 _loop0_103_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void *_res = NULL;
@@ -17490,14 +21358,17 @@
     if (!_children) {
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     ssize_t _children_capacity = 1;
     ssize_t _n = 0;
     { // ',' double_starred_kvpair
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _loop0_103[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "',' double_starred_kvpair"));
         Token * _literal;
         KeyValuePair* elem;
         while (
@@ -17510,6 +21381,7 @@
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
                 PyMem_Free(_children);
+                D(p->level--);
                 return NULL;
             }
             if (_n == _children_capacity) {
@@ -17518,6 +21390,7 @@
                 if (!_new_children) {
                     p->error_indicator = 1;
                     PyErr_NoMemory();
+                    D(p->level--);
                     return NULL;
                 }
                 _children = _new_children;
@@ -17526,17 +21399,21 @@
             _mark = p->mark;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _loop0_103[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "',' double_starred_kvpair"));
     }
     asdl_seq *_seq = _Py_asdl_seq_new(_n, p->arena);
     if (!_seq) {
         PyMem_Free(_children);
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     for (int i = 0; i < _n; i++) asdl_seq_SET(_seq, i, _children[i]);
     PyMem_Free(_children);
     _PyPegen_insert_memo(p, _start_mark, _loop0_103_type, _seq);
+    D(p->level--);
     return _seq;
 }
 
@@ -17544,15 +21421,19 @@
 static asdl_seq *
 _gather_102_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     asdl_seq * _res = NULL;
     int _mark = p->mark;
     { // double_starred_kvpair _loop0_103
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _gather_102[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "double_starred_kvpair _loop0_103"));
         KeyValuePair* elem;
         asdl_seq * seq;
         if (
@@ -17561,13 +21442,17 @@
             (seq = _loop0_103_rule(p))  // _loop0_103
         )
         {
+            D(fprintf(stderr, "%*c+ _gather_102[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "double_starred_kvpair _loop0_103"));
             _res = _PyPegen_seq_insert_in_front(p, elem, seq);
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _gather_102[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "double_starred_kvpair _loop0_103"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -17575,7 +21460,9 @@
 static asdl_seq *
 _loop1_104_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void *_res = NULL;
@@ -17585,14 +21472,17 @@
     if (!_children) {
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     ssize_t _children_capacity = 1;
     ssize_t _n = 0;
     { // for_if_clause
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _loop1_104[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "for_if_clause"));
         comprehension_ty for_if_clause_var;
         while (
             (for_if_clause_var = for_if_clause_rule(p))  // for_if_clause
@@ -17605,6 +21495,7 @@
                 if (!_new_children) {
                     p->error_indicator = 1;
                     PyErr_NoMemory();
+                    D(p->level--);
                     return NULL;
                 }
                 _children = _new_children;
@@ -17613,9 +21504,12 @@
             _mark = p->mark;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _loop1_104[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "for_if_clause"));
     }
     if (_n == 0 || p->error_indicator) {
         PyMem_Free(_children);
+        D(p->level--);
         return NULL;
     }
     asdl_seq *_seq = _Py_asdl_seq_new(_n, p->arena);
@@ -17623,11 +21517,13 @@
         PyMem_Free(_children);
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     for (int i = 0; i < _n; i++) asdl_seq_SET(_seq, i, _children[i]);
     PyMem_Free(_children);
     _PyPegen_insert_memo(p, _start_mark, _loop1_104_type, _seq);
+    D(p->level--);
     return _seq;
 }
 
@@ -17635,7 +21531,9 @@
 static asdl_seq *
 _loop0_105_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void *_res = NULL;
@@ -17645,14 +21543,17 @@
     if (!_children) {
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     ssize_t _children_capacity = 1;
     ssize_t _n = 0;
     { // ('if' disjunction)
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _loop0_105[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "('if' disjunction)"));
         void *_tmp_143_var;
         while (
             (_tmp_143_var = _tmp_143_rule(p))  // 'if' disjunction
@@ -17665,6 +21566,7 @@
                 if (!_new_children) {
                     p->error_indicator = 1;
                     PyErr_NoMemory();
+                    D(p->level--);
                     return NULL;
                 }
                 _children = _new_children;
@@ -17673,17 +21575,21 @@
             _mark = p->mark;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _loop0_105[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "('if' disjunction)"));
     }
     asdl_seq *_seq = _Py_asdl_seq_new(_n, p->arena);
     if (!_seq) {
         PyMem_Free(_children);
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     for (int i = 0; i < _n; i++) asdl_seq_SET(_seq, i, _children[i]);
     PyMem_Free(_children);
     _PyPegen_insert_memo(p, _start_mark, _loop0_105_type, _seq);
+    D(p->level--);
     return _seq;
 }
 
@@ -17691,7 +21597,9 @@
 static asdl_seq *
 _loop0_106_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void *_res = NULL;
@@ -17701,14 +21609,17 @@
     if (!_children) {
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     ssize_t _children_capacity = 1;
     ssize_t _n = 0;
     { // ('if' disjunction)
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _loop0_106[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "('if' disjunction)"));
         void *_tmp_144_var;
         while (
             (_tmp_144_var = _tmp_144_rule(p))  // 'if' disjunction
@@ -17721,6 +21632,7 @@
                 if (!_new_children) {
                     p->error_indicator = 1;
                     PyErr_NoMemory();
+                    D(p->level--);
                     return NULL;
                 }
                 _children = _new_children;
@@ -17729,17 +21641,21 @@
             _mark = p->mark;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _loop0_106[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "('if' disjunction)"));
     }
     asdl_seq *_seq = _Py_asdl_seq_new(_n, p->arena);
     if (!_seq) {
         PyMem_Free(_children);
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     for (int i = 0; i < _n; i++) asdl_seq_SET(_seq, i, _children[i]);
     PyMem_Free(_children);
     _PyPegen_insert_memo(p, _start_mark, _loop0_106_type, _seq);
+    D(p->level--);
     return _seq;
 }
 
@@ -17747,15 +21663,19 @@
 static void *
 _tmp_107_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void * _res = NULL;
     int _mark = p->mark;
     { // ',' args
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _tmp_107[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "',' args"));
         Token * _literal;
         expr_ty c;
         if (
@@ -17764,17 +21684,22 @@
             (c = args_rule(p))  // args
         )
         {
+            D(fprintf(stderr, "%*c+ _tmp_107[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "',' args"));
             _res = c;
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _tmp_107[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "',' args"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -17782,15 +21707,19 @@
 static void *
 _tmp_108_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void * _res = NULL;
     int _mark = p->mark;
     { // ',' args
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _tmp_108[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "',' args"));
         Token * _literal;
         expr_ty c;
         if (
@@ -17799,17 +21728,22 @@
             (c = args_rule(p))  // args
         )
         {
+            D(fprintf(stderr, "%*c+ _tmp_108[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "',' args"));
             _res = c;
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _tmp_108[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "',' args"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -17817,7 +21751,9 @@
 static asdl_seq *
 _loop0_110_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void *_res = NULL;
@@ -17827,14 +21763,17 @@
     if (!_children) {
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     ssize_t _children_capacity = 1;
     ssize_t _n = 0;
     { // ',' kwarg_or_starred
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _loop0_110[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "',' kwarg_or_starred"));
         Token * _literal;
         KeywordOrStarred* elem;
         while (
@@ -17847,6 +21786,7 @@
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
                 PyMem_Free(_children);
+                D(p->level--);
                 return NULL;
             }
             if (_n == _children_capacity) {
@@ -17855,6 +21795,7 @@
                 if (!_new_children) {
                     p->error_indicator = 1;
                     PyErr_NoMemory();
+                    D(p->level--);
                     return NULL;
                 }
                 _children = _new_children;
@@ -17863,17 +21804,21 @@
             _mark = p->mark;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _loop0_110[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "',' kwarg_or_starred"));
     }
     asdl_seq *_seq = _Py_asdl_seq_new(_n, p->arena);
     if (!_seq) {
         PyMem_Free(_children);
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     for (int i = 0; i < _n; i++) asdl_seq_SET(_seq, i, _children[i]);
     PyMem_Free(_children);
     _PyPegen_insert_memo(p, _start_mark, _loop0_110_type, _seq);
+    D(p->level--);
     return _seq;
 }
 
@@ -17881,15 +21826,19 @@
 static asdl_seq *
 _gather_109_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     asdl_seq * _res = NULL;
     int _mark = p->mark;
     { // kwarg_or_starred _loop0_110
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _gather_109[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "kwarg_or_starred _loop0_110"));
         KeywordOrStarred* elem;
         asdl_seq * seq;
         if (
@@ -17898,13 +21847,17 @@
             (seq = _loop0_110_rule(p))  // _loop0_110
         )
         {
+            D(fprintf(stderr, "%*c+ _gather_109[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "kwarg_or_starred _loop0_110"));
             _res = _PyPegen_seq_insert_in_front(p, elem, seq);
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _gather_109[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "kwarg_or_starred _loop0_110"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -17912,7 +21865,9 @@
 static asdl_seq *
 _loop0_112_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void *_res = NULL;
@@ -17922,14 +21877,17 @@
     if (!_children) {
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     ssize_t _children_capacity = 1;
     ssize_t _n = 0;
     { // ',' kwarg_or_double_starred
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _loop0_112[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "',' kwarg_or_double_starred"));
         Token * _literal;
         KeywordOrStarred* elem;
         while (
@@ -17942,6 +21900,7 @@
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
                 PyMem_Free(_children);
+                D(p->level--);
                 return NULL;
             }
             if (_n == _children_capacity) {
@@ -17950,6 +21909,7 @@
                 if (!_new_children) {
                     p->error_indicator = 1;
                     PyErr_NoMemory();
+                    D(p->level--);
                     return NULL;
                 }
                 _children = _new_children;
@@ -17958,17 +21918,21 @@
             _mark = p->mark;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _loop0_112[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "',' kwarg_or_double_starred"));
     }
     asdl_seq *_seq = _Py_asdl_seq_new(_n, p->arena);
     if (!_seq) {
         PyMem_Free(_children);
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     for (int i = 0; i < _n; i++) asdl_seq_SET(_seq, i, _children[i]);
     PyMem_Free(_children);
     _PyPegen_insert_memo(p, _start_mark, _loop0_112_type, _seq);
+    D(p->level--);
     return _seq;
 }
 
@@ -17976,15 +21940,19 @@
 static asdl_seq *
 _gather_111_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     asdl_seq * _res = NULL;
     int _mark = p->mark;
     { // kwarg_or_double_starred _loop0_112
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _gather_111[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "kwarg_or_double_starred _loop0_112"));
         KeywordOrStarred* elem;
         asdl_seq * seq;
         if (
@@ -17993,13 +21961,17 @@
             (seq = _loop0_112_rule(p))  // _loop0_112
         )
         {
+            D(fprintf(stderr, "%*c+ _gather_111[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "kwarg_or_double_starred _loop0_112"));
             _res = _PyPegen_seq_insert_in_front(p, elem, seq);
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _gather_111[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "kwarg_or_double_starred _loop0_112"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -18007,7 +21979,9 @@
 static asdl_seq *
 _loop0_114_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void *_res = NULL;
@@ -18017,14 +21991,17 @@
     if (!_children) {
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     ssize_t _children_capacity = 1;
     ssize_t _n = 0;
     { // ',' kwarg_or_starred
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _loop0_114[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "',' kwarg_or_starred"));
         Token * _literal;
         KeywordOrStarred* elem;
         while (
@@ -18037,6 +22014,7 @@
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
                 PyMem_Free(_children);
+                D(p->level--);
                 return NULL;
             }
             if (_n == _children_capacity) {
@@ -18045,6 +22023,7 @@
                 if (!_new_children) {
                     p->error_indicator = 1;
                     PyErr_NoMemory();
+                    D(p->level--);
                     return NULL;
                 }
                 _children = _new_children;
@@ -18053,17 +22032,21 @@
             _mark = p->mark;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _loop0_114[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "',' kwarg_or_starred"));
     }
     asdl_seq *_seq = _Py_asdl_seq_new(_n, p->arena);
     if (!_seq) {
         PyMem_Free(_children);
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     for (int i = 0; i < _n; i++) asdl_seq_SET(_seq, i, _children[i]);
     PyMem_Free(_children);
     _PyPegen_insert_memo(p, _start_mark, _loop0_114_type, _seq);
+    D(p->level--);
     return _seq;
 }
 
@@ -18071,15 +22054,19 @@
 static asdl_seq *
 _gather_113_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     asdl_seq * _res = NULL;
     int _mark = p->mark;
     { // kwarg_or_starred _loop0_114
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _gather_113[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "kwarg_or_starred _loop0_114"));
         KeywordOrStarred* elem;
         asdl_seq * seq;
         if (
@@ -18088,13 +22075,17 @@
             (seq = _loop0_114_rule(p))  // _loop0_114
         )
         {
+            D(fprintf(stderr, "%*c+ _gather_113[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "kwarg_or_starred _loop0_114"));
             _res = _PyPegen_seq_insert_in_front(p, elem, seq);
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _gather_113[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "kwarg_or_starred _loop0_114"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -18102,7 +22093,9 @@
 static asdl_seq *
 _loop0_116_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void *_res = NULL;
@@ -18112,14 +22105,17 @@
     if (!_children) {
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     ssize_t _children_capacity = 1;
     ssize_t _n = 0;
     { // ',' kwarg_or_double_starred
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _loop0_116[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "',' kwarg_or_double_starred"));
         Token * _literal;
         KeywordOrStarred* elem;
         while (
@@ -18132,6 +22128,7 @@
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
                 PyMem_Free(_children);
+                D(p->level--);
                 return NULL;
             }
             if (_n == _children_capacity) {
@@ -18140,6 +22137,7 @@
                 if (!_new_children) {
                     p->error_indicator = 1;
                     PyErr_NoMemory();
+                    D(p->level--);
                     return NULL;
                 }
                 _children = _new_children;
@@ -18148,17 +22146,21 @@
             _mark = p->mark;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _loop0_116[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "',' kwarg_or_double_starred"));
     }
     asdl_seq *_seq = _Py_asdl_seq_new(_n, p->arena);
     if (!_seq) {
         PyMem_Free(_children);
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     for (int i = 0; i < _n; i++) asdl_seq_SET(_seq, i, _children[i]);
     PyMem_Free(_children);
     _PyPegen_insert_memo(p, _start_mark, _loop0_116_type, _seq);
+    D(p->level--);
     return _seq;
 }
 
@@ -18166,15 +22168,19 @@
 static asdl_seq *
 _gather_115_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     asdl_seq * _res = NULL;
     int _mark = p->mark;
     { // kwarg_or_double_starred _loop0_116
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _gather_115[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "kwarg_or_double_starred _loop0_116"));
         KeywordOrStarred* elem;
         asdl_seq * seq;
         if (
@@ -18183,13 +22189,17 @@
             (seq = _loop0_116_rule(p))  // _loop0_116
         )
         {
+            D(fprintf(stderr, "%*c+ _gather_115[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "kwarg_or_double_starred _loop0_116"));
             _res = _PyPegen_seq_insert_in_front(p, elem, seq);
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _gather_115[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "kwarg_or_double_starred _loop0_116"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -18197,7 +22207,9 @@
 static asdl_seq *
 _loop0_117_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void *_res = NULL;
@@ -18207,14 +22219,17 @@
     if (!_children) {
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     ssize_t _children_capacity = 1;
     ssize_t _n = 0;
     { // (',' star_target)
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _loop0_117[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "(',' star_target)"));
         void *_tmp_145_var;
         while (
             (_tmp_145_var = _tmp_145_rule(p))  // ',' star_target
@@ -18227,6 +22242,7 @@
                 if (!_new_children) {
                     p->error_indicator = 1;
                     PyErr_NoMemory();
+                    D(p->level--);
                     return NULL;
                 }
                 _children = _new_children;
@@ -18235,17 +22251,21 @@
             _mark = p->mark;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _loop0_117[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "(',' star_target)"));
     }
     asdl_seq *_seq = _Py_asdl_seq_new(_n, p->arena);
     if (!_seq) {
         PyMem_Free(_children);
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     for (int i = 0; i < _n; i++) asdl_seq_SET(_seq, i, _children[i]);
     PyMem_Free(_children);
     _PyPegen_insert_memo(p, _start_mark, _loop0_117_type, _seq);
+    D(p->level--);
     return _seq;
 }
 
@@ -18253,7 +22273,9 @@
 static asdl_seq *
 _loop0_119_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void *_res = NULL;
@@ -18263,14 +22285,17 @@
     if (!_children) {
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     ssize_t _children_capacity = 1;
     ssize_t _n = 0;
     { // ',' star_target
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _loop0_119[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "',' star_target"));
         Token * _literal;
         expr_ty elem;
         while (
@@ -18283,6 +22308,7 @@
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
                 PyMem_Free(_children);
+                D(p->level--);
                 return NULL;
             }
             if (_n == _children_capacity) {
@@ -18291,6 +22317,7 @@
                 if (!_new_children) {
                     p->error_indicator = 1;
                     PyErr_NoMemory();
+                    D(p->level--);
                     return NULL;
                 }
                 _children = _new_children;
@@ -18299,17 +22326,21 @@
             _mark = p->mark;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _loop0_119[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "',' star_target"));
     }
     asdl_seq *_seq = _Py_asdl_seq_new(_n, p->arena);
     if (!_seq) {
         PyMem_Free(_children);
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     for (int i = 0; i < _n; i++) asdl_seq_SET(_seq, i, _children[i]);
     PyMem_Free(_children);
     _PyPegen_insert_memo(p, _start_mark, _loop0_119_type, _seq);
+    D(p->level--);
     return _seq;
 }
 
@@ -18317,15 +22348,19 @@
 static asdl_seq *
 _gather_118_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     asdl_seq * _res = NULL;
     int _mark = p->mark;
     { // star_target _loop0_119
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _gather_118[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "star_target _loop0_119"));
         expr_ty elem;
         asdl_seq * seq;
         if (
@@ -18334,13 +22369,17 @@
             (seq = _loop0_119_rule(p))  // _loop0_119
         )
         {
+            D(fprintf(stderr, "%*c+ _gather_118[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "star_target _loop0_119"));
             _res = _PyPegen_seq_insert_in_front(p, elem, seq);
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _gather_118[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "star_target _loop0_119"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -18348,15 +22387,19 @@
 static void *
 _tmp_120_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void * _res = NULL;
     int _mark = p->mark;
     { // !'*' star_target
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _tmp_120[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "!'*' star_target"));
         expr_ty star_target_var;
         if (
             _PyPegen_lookahead_with_int(0, _PyPegen_expect_token, p, 16)  // token='*'
@@ -18364,13 +22407,17 @@
             (star_target_var = star_target_rule(p))  // star_target
         )
         {
+            D(fprintf(stderr, "%*c+ _tmp_120[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "!'*' star_target"));
             _res = star_target_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _tmp_120[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "!'*' star_target"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -18378,7 +22425,9 @@
 static asdl_seq *
 _loop0_122_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void *_res = NULL;
@@ -18388,14 +22437,17 @@
     if (!_children) {
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     ssize_t _children_capacity = 1;
     ssize_t _n = 0;
     { // ',' del_target
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _loop0_122[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "',' del_target"));
         Token * _literal;
         expr_ty elem;
         while (
@@ -18408,6 +22460,7 @@
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
                 PyMem_Free(_children);
+                D(p->level--);
                 return NULL;
             }
             if (_n == _children_capacity) {
@@ -18416,6 +22469,7 @@
                 if (!_new_children) {
                     p->error_indicator = 1;
                     PyErr_NoMemory();
+                    D(p->level--);
                     return NULL;
                 }
                 _children = _new_children;
@@ -18424,17 +22478,21 @@
             _mark = p->mark;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _loop0_122[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "',' del_target"));
     }
     asdl_seq *_seq = _Py_asdl_seq_new(_n, p->arena);
     if (!_seq) {
         PyMem_Free(_children);
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     for (int i = 0; i < _n; i++) asdl_seq_SET(_seq, i, _children[i]);
     PyMem_Free(_children);
     _PyPegen_insert_memo(p, _start_mark, _loop0_122_type, _seq);
+    D(p->level--);
     return _seq;
 }
 
@@ -18442,15 +22500,19 @@
 static asdl_seq *
 _gather_121_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     asdl_seq * _res = NULL;
     int _mark = p->mark;
     { // del_target _loop0_122
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _gather_121[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "del_target _loop0_122"));
         expr_ty elem;
         asdl_seq * seq;
         if (
@@ -18459,13 +22521,17 @@
             (seq = _loop0_122_rule(p))  // _loop0_122
         )
         {
+            D(fprintf(stderr, "%*c+ _gather_121[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "del_target _loop0_122"));
             _res = _PyPegen_seq_insert_in_front(p, elem, seq);
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _gather_121[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "del_target _loop0_122"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -18473,7 +22539,9 @@
 static asdl_seq *
 _loop0_124_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void *_res = NULL;
@@ -18483,14 +22551,17 @@
     if (!_children) {
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     ssize_t _children_capacity = 1;
     ssize_t _n = 0;
     { // ',' target
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _loop0_124[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "',' target"));
         Token * _literal;
         expr_ty elem;
         while (
@@ -18503,6 +22574,7 @@
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
                 PyMem_Free(_children);
+                D(p->level--);
                 return NULL;
             }
             if (_n == _children_capacity) {
@@ -18511,6 +22583,7 @@
                 if (!_new_children) {
                     p->error_indicator = 1;
                     PyErr_NoMemory();
+                    D(p->level--);
                     return NULL;
                 }
                 _children = _new_children;
@@ -18519,17 +22592,21 @@
             _mark = p->mark;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _loop0_124[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "',' target"));
     }
     asdl_seq *_seq = _Py_asdl_seq_new(_n, p->arena);
     if (!_seq) {
         PyMem_Free(_children);
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     for (int i = 0; i < _n; i++) asdl_seq_SET(_seq, i, _children[i]);
     PyMem_Free(_children);
     _PyPegen_insert_memo(p, _start_mark, _loop0_124_type, _seq);
+    D(p->level--);
     return _seq;
 }
 
@@ -18537,15 +22614,19 @@
 static asdl_seq *
 _gather_123_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     asdl_seq * _res = NULL;
     int _mark = p->mark;
     { // target _loop0_124
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _gather_123[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "target _loop0_124"));
         expr_ty elem;
         asdl_seq * seq;
         if (
@@ -18554,13 +22635,17 @@
             (seq = _loop0_124_rule(p))  // _loop0_124
         )
         {
+            D(fprintf(stderr, "%*c+ _gather_123[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "target _loop0_124"));
             _res = _PyPegen_seq_insert_in_front(p, elem, seq);
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _gather_123[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "target _loop0_124"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -18568,29 +22653,38 @@
 static void *
 _tmp_125_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void * _res = NULL;
     int _mark = p->mark;
     { // args
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _tmp_125[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "args"));
         expr_ty args_var;
         if (
             (args_var = args_rule(p))  // args
         )
         {
+            D(fprintf(stderr, "%*c+ _tmp_125[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "args"));
             _res = args_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _tmp_125[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "args"));
     }
     { // expression for_if_clauses
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _tmp_125[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "expression for_if_clauses"));
         expr_ty expression_var;
         asdl_seq* for_if_clauses_var;
         if (
@@ -18599,13 +22693,17 @@
             (for_if_clauses_var = for_if_clauses_rule(p))  // for_if_clauses
         )
         {
+            D(fprintf(stderr, "%*c+ _tmp_125[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "expression for_if_clauses"));
             _res = _PyPegen_dummy_name(p, expression_var, for_if_clauses_var);
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _tmp_125[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "expression for_if_clauses"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -18613,7 +22711,9 @@
 static asdl_seq *
 _loop0_126_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void *_res = NULL;
@@ -18623,14 +22723,17 @@
     if (!_children) {
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     ssize_t _children_capacity = 1;
     ssize_t _n = 0;
     { // star_named_expressions
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _loop0_126[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "star_named_expressions"));
         asdl_seq* star_named_expressions_var;
         while (
             (star_named_expressions_var = star_named_expressions_rule(p))  // star_named_expressions
@@ -18643,6 +22746,7 @@
                 if (!_new_children) {
                     p->error_indicator = 1;
                     PyErr_NoMemory();
+                    D(p->level--);
                     return NULL;
                 }
                 _children = _new_children;
@@ -18651,17 +22755,21 @@
             _mark = p->mark;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _loop0_126[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "star_named_expressions"));
     }
     asdl_seq *_seq = _Py_asdl_seq_new(_n, p->arena);
     if (!_seq) {
         PyMem_Free(_children);
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     for (int i = 0; i < _n; i++) asdl_seq_SET(_seq, i, _children[i]);
     PyMem_Free(_children);
     _PyPegen_insert_memo(p, _start_mark, _loop0_126_type, _seq);
+    D(p->level--);
     return _seq;
 }
 
@@ -18669,15 +22777,19 @@
 static void *
 _tmp_127_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void * _res = NULL;
     int _mark = p->mark;
     { // '=' annotated_rhs
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _tmp_127[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'=' annotated_rhs"));
         Token * _literal;
         expr_ty annotated_rhs_var;
         if (
@@ -18686,13 +22798,17 @@
             (annotated_rhs_var = annotated_rhs_rule(p))  // annotated_rhs
         )
         {
+            D(fprintf(stderr, "%*c+ _tmp_127[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'=' annotated_rhs"));
             _res = _PyPegen_dummy_name(p, _literal, annotated_rhs_var);
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _tmp_127[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'=' annotated_rhs"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -18700,41 +22816,54 @@
 static void *
 _tmp_128_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void * _res = NULL;
     int _mark = p->mark;
     { // yield_expr
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _tmp_128[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "yield_expr"));
         expr_ty yield_expr_var;
         if (
             (yield_expr_var = yield_expr_rule(p))  // yield_expr
         )
         {
+            D(fprintf(stderr, "%*c+ _tmp_128[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "yield_expr"));
             _res = yield_expr_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _tmp_128[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "yield_expr"));
     }
     { // star_expressions
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _tmp_128[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "star_expressions"));
         expr_ty star_expressions_var;
         if (
             (star_expressions_var = star_expressions_rule(p))  // star_expressions
         )
         {
+            D(fprintf(stderr, "%*c+ _tmp_128[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "star_expressions"));
             _res = star_expressions_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _tmp_128[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "star_expressions"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -18742,41 +22871,54 @@
 static void *
 _tmp_129_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void * _res = NULL;
     int _mark = p->mark;
     { // yield_expr
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _tmp_129[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "yield_expr"));
         expr_ty yield_expr_var;
         if (
             (yield_expr_var = yield_expr_rule(p))  // yield_expr
         )
         {
+            D(fprintf(stderr, "%*c+ _tmp_129[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "yield_expr"));
             _res = yield_expr_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _tmp_129[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "yield_expr"));
     }
     { // star_expressions
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _tmp_129[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "star_expressions"));
         expr_ty star_expressions_var;
         if (
             (star_expressions_var = star_expressions_rule(p))  // star_expressions
         )
         {
+            D(fprintf(stderr, "%*c+ _tmp_129[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "star_expressions"));
             _res = star_expressions_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _tmp_129[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "star_expressions"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -18784,55 +22926,73 @@
 static void *
 _tmp_130_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void * _res = NULL;
     int _mark = p->mark;
     { // '['
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _tmp_130[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'['"));
         Token * _literal;
         if (
             (_literal = _PyPegen_expect_token(p, 9))  // token='['
         )
         {
+            D(fprintf(stderr, "%*c+ _tmp_130[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'['"));
             _res = _literal;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _tmp_130[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'['"));
     }
     { // '('
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _tmp_130[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'('"));
         Token * _literal;
         if (
             (_literal = _PyPegen_expect_token(p, 7))  // token='('
         )
         {
+            D(fprintf(stderr, "%*c+ _tmp_130[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'('"));
             _res = _literal;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _tmp_130[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'('"));
     }
     { // '{'
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _tmp_130[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'{'"));
         Token * _literal;
         if (
             (_literal = _PyPegen_expect_token(p, 25))  // token='{'
         )
         {
+            D(fprintf(stderr, "%*c+ _tmp_130[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'{'"));
             _res = _literal;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _tmp_130[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'{'"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -18840,7 +23000,9 @@
 static asdl_seq *
 _loop0_131_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void *_res = NULL;
@@ -18850,14 +23012,17 @@
     if (!_children) {
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     ssize_t _children_capacity = 1;
     ssize_t _n = 0;
     { // param_no_default
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _loop0_131[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "param_no_default"));
         arg_ty param_no_default_var;
         while (
             (param_no_default_var = param_no_default_rule(p))  // param_no_default
@@ -18870,6 +23035,7 @@
                 if (!_new_children) {
                     p->error_indicator = 1;
                     PyErr_NoMemory();
+                    D(p->level--);
                     return NULL;
                 }
                 _children = _new_children;
@@ -18878,17 +23044,21 @@
             _mark = p->mark;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _loop0_131[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "param_no_default"));
     }
     asdl_seq *_seq = _Py_asdl_seq_new(_n, p->arena);
     if (!_seq) {
         PyMem_Free(_children);
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     for (int i = 0; i < _n; i++) asdl_seq_SET(_seq, i, _children[i]);
     PyMem_Free(_children);
     _PyPegen_insert_memo(p, _start_mark, _loop0_131_type, _seq);
+    D(p->level--);
     return _seq;
 }
 
@@ -18896,41 +23066,54 @@
 static void *
 _tmp_132_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void * _res = NULL;
     int _mark = p->mark;
     { // slash_with_default
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _tmp_132[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "slash_with_default"));
         SlashWithDefault* slash_with_default_var;
         if (
             (slash_with_default_var = slash_with_default_rule(p))  // slash_with_default
         )
         {
+            D(fprintf(stderr, "%*c+ _tmp_132[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "slash_with_default"));
             _res = slash_with_default_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _tmp_132[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "slash_with_default"));
     }
     { // param_with_default+
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _tmp_132[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "param_with_default+"));
         asdl_seq * _loop1_146_var;
         if (
             (_loop1_146_var = _loop1_146_rule(p))  // param_with_default+
         )
         {
+            D(fprintf(stderr, "%*c+ _tmp_132[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "param_with_default+"));
             _res = _loop1_146_var;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _tmp_132[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "param_with_default+"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -18938,29 +23121,38 @@
 static void *
 _tmp_133_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void * _res = NULL;
     int _mark = p->mark;
     { // ')'
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _tmp_133[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "')'"));
         Token * _literal;
         if (
             (_literal = _PyPegen_expect_token(p, 8))  // token=')'
         )
         {
+            D(fprintf(stderr, "%*c+ _tmp_133[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "')'"));
             _res = _literal;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _tmp_133[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "')'"));
     }
     { // ',' (')' | '**')
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _tmp_133[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "',' (')' | '**')"));
         Token * _literal;
         void *_tmp_147_var;
         if (
@@ -18969,13 +23161,17 @@
             (_tmp_147_var = _tmp_147_rule(p))  // ')' | '**'
         )
         {
+            D(fprintf(stderr, "%*c+ _tmp_133[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "',' (')' | '**')"));
             _res = _PyPegen_dummy_name(p, _literal, _tmp_147_var);
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _tmp_133[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "',' (')' | '**')"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -18983,29 +23179,38 @@
 static void *
 _tmp_134_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void * _res = NULL;
     int _mark = p->mark;
     { // ':'
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _tmp_134[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "':'"));
         Token * _literal;
         if (
             (_literal = _PyPegen_expect_token(p, 11))  // token=':'
         )
         {
+            D(fprintf(stderr, "%*c+ _tmp_134[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "':'"));
             _res = _literal;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _tmp_134[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "':'"));
     }
     { // ',' (':' | '**')
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _tmp_134[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "',' (':' | '**')"));
         Token * _literal;
         void *_tmp_148_var;
         if (
@@ -19014,13 +23219,17 @@
             (_tmp_148_var = _tmp_148_rule(p))  // ':' | '**'
         )
         {
+            D(fprintf(stderr, "%*c+ _tmp_134[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "',' (':' | '**')"));
             _res = _PyPegen_dummy_name(p, _literal, _tmp_148_var);
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _tmp_134[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "',' (':' | '**')"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -19028,15 +23237,19 @@
 static void *
 _tmp_135_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void * _res = NULL;
     int _mark = p->mark;
     { // star_targets '='
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _tmp_135[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "star_targets '='"));
         Token * _literal;
         expr_ty z;
         if (
@@ -19045,17 +23258,22 @@
             (_literal = _PyPegen_expect_token(p, 22))  // token='='
         )
         {
+            D(fprintf(stderr, "%*c+ _tmp_135[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "star_targets '='"));
             _res = z;
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _tmp_135[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "star_targets '='"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -19063,41 +23281,54 @@
 static void *
 _tmp_136_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void * _res = NULL;
     int _mark = p->mark;
     { // '.'
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _tmp_136[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'.'"));
         Token * _literal;
         if (
             (_literal = _PyPegen_expect_token(p, 23))  // token='.'
         )
         {
+            D(fprintf(stderr, "%*c+ _tmp_136[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'.'"));
             _res = _literal;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _tmp_136[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'.'"));
     }
     { // '...'
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _tmp_136[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'...'"));
         Token * _literal;
         if (
             (_literal = _PyPegen_expect_token(p, 52))  // token='...'
         )
         {
+            D(fprintf(stderr, "%*c+ _tmp_136[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'...'"));
             _res = _literal;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _tmp_136[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'...'"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -19105,41 +23336,54 @@
 static void *
 _tmp_137_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void * _res = NULL;
     int _mark = p->mark;
     { // '.'
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _tmp_137[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'.'"));
         Token * _literal;
         if (
             (_literal = _PyPegen_expect_token(p, 23))  // token='.'
         )
         {
+            D(fprintf(stderr, "%*c+ _tmp_137[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'.'"));
             _res = _literal;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _tmp_137[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'.'"));
     }
     { // '...'
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _tmp_137[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'...'"));
         Token * _literal;
         if (
             (_literal = _PyPegen_expect_token(p, 52))  // token='...'
         )
         {
+            D(fprintf(stderr, "%*c+ _tmp_137[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'...'"));
             _res = _literal;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _tmp_137[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'...'"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -19147,15 +23391,19 @@
 static void *
 _tmp_138_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void * _res = NULL;
     int _mark = p->mark;
     { // '@' named_expression NEWLINE
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _tmp_138[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'@' named_expression NEWLINE"));
         Token * _literal;
         expr_ty f;
         Token * newline_var;
@@ -19167,17 +23415,22 @@
             (newline_var = _PyPegen_expect_token(p, NEWLINE))  // token='NEWLINE'
         )
         {
+            D(fprintf(stderr, "%*c+ _tmp_138[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'@' named_expression NEWLINE"));
             _res = f;
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _tmp_138[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'@' named_expression NEWLINE"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -19185,15 +23438,19 @@
 static void *
 _tmp_139_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void * _res = NULL;
     int _mark = p->mark;
     { // ',' star_expression
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _tmp_139[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "',' star_expression"));
         Token * _literal;
         expr_ty c;
         if (
@@ -19202,17 +23459,22 @@
             (c = star_expression_rule(p))  // star_expression
         )
         {
+            D(fprintf(stderr, "%*c+ _tmp_139[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "',' star_expression"));
             _res = c;
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _tmp_139[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "',' star_expression"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -19220,15 +23482,19 @@
 static void *
 _tmp_140_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void * _res = NULL;
     int _mark = p->mark;
     { // ',' expression
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _tmp_140[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "',' expression"));
         Token * _literal;
         expr_ty c;
         if (
@@ -19237,17 +23503,22 @@
             (c = expression_rule(p))  // expression
         )
         {
+            D(fprintf(stderr, "%*c+ _tmp_140[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "',' expression"));
             _res = c;
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _tmp_140[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "',' expression"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -19255,15 +23526,19 @@
 static void *
 _tmp_141_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void * _res = NULL;
     int _mark = p->mark;
     { // 'or' conjunction
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _tmp_141[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'or' conjunction"));
         Token * _keyword;
         expr_ty c;
         if (
@@ -19272,17 +23547,22 @@
             (c = conjunction_rule(p))  // conjunction
         )
         {
+            D(fprintf(stderr, "%*c+ _tmp_141[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'or' conjunction"));
             _res = c;
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _tmp_141[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'or' conjunction"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -19290,15 +23570,19 @@
 static void *
 _tmp_142_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void * _res = NULL;
     int _mark = p->mark;
     { // 'and' inversion
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _tmp_142[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'and' inversion"));
         Token * _keyword;
         expr_ty c;
         if (
@@ -19307,17 +23591,22 @@
             (c = inversion_rule(p))  // inversion
         )
         {
+            D(fprintf(stderr, "%*c+ _tmp_142[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'and' inversion"));
             _res = c;
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _tmp_142[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'and' inversion"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -19325,15 +23614,19 @@
 static void *
 _tmp_143_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void * _res = NULL;
     int _mark = p->mark;
     { // 'if' disjunction
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _tmp_143[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'if' disjunction"));
         Token * _keyword;
         expr_ty z;
         if (
@@ -19342,17 +23635,22 @@
             (z = disjunction_rule(p))  // disjunction
         )
         {
+            D(fprintf(stderr, "%*c+ _tmp_143[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'if' disjunction"));
             _res = z;
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _tmp_143[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'if' disjunction"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -19360,15 +23658,19 @@
 static void *
 _tmp_144_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void * _res = NULL;
     int _mark = p->mark;
     { // 'if' disjunction
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _tmp_144[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'if' disjunction"));
         Token * _keyword;
         expr_ty z;
         if (
@@ -19377,17 +23679,22 @@
             (z = disjunction_rule(p))  // disjunction
         )
         {
+            D(fprintf(stderr, "%*c+ _tmp_144[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'if' disjunction"));
             _res = z;
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _tmp_144[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'if' disjunction"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -19395,15 +23702,19 @@
 static void *
 _tmp_145_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void * _res = NULL;
     int _mark = p->mark;
     { // ',' star_target
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _tmp_145[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "',' star_target"));
         Token * _literal;
         expr_ty c;
         if (
@@ -19412,17 +23723,22 @@
             (c = star_target_rule(p))  // star_target
         )
         {
+            D(fprintf(stderr, "%*c+ _tmp_145[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "',' star_target"));
             _res = c;
             if (_res == NULL && PyErr_Occurred()) {
                 p->error_indicator = 1;
+                D(p->level--);
                 return NULL;
             }
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _tmp_145[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "',' star_target"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -19430,7 +23746,9 @@
 static asdl_seq *
 _loop1_146_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void *_res = NULL;
@@ -19440,14 +23758,17 @@
     if (!_children) {
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     ssize_t _children_capacity = 1;
     ssize_t _n = 0;
     { // param_with_default
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _loop1_146[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "param_with_default"));
         NameDefaultPair* param_with_default_var;
         while (
             (param_with_default_var = param_with_default_rule(p))  // param_with_default
@@ -19460,6 +23781,7 @@
                 if (!_new_children) {
                     p->error_indicator = 1;
                     PyErr_NoMemory();
+                    D(p->level--);
                     return NULL;
                 }
                 _children = _new_children;
@@ -19468,9 +23790,12 @@
             _mark = p->mark;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _loop1_146[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "param_with_default"));
     }
     if (_n == 0 || p->error_indicator) {
         PyMem_Free(_children);
+        D(p->level--);
         return NULL;
     }
     asdl_seq *_seq = _Py_asdl_seq_new(_n, p->arena);
@@ -19478,11 +23803,13 @@
         PyMem_Free(_children);
         p->error_indicator = 1;
         PyErr_NoMemory();
+        D(p->level--);
         return NULL;
     }
     for (int i = 0; i < _n; i++) asdl_seq_SET(_seq, i, _children[i]);
     PyMem_Free(_children);
     _PyPegen_insert_memo(p, _start_mark, _loop1_146_type, _seq);
+    D(p->level--);
     return _seq;
 }
 
@@ -19490,41 +23817,54 @@
 static void *
 _tmp_147_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void * _res = NULL;
     int _mark = p->mark;
     { // ')'
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _tmp_147[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "')'"));
         Token * _literal;
         if (
             (_literal = _PyPegen_expect_token(p, 8))  // token=')'
         )
         {
+            D(fprintf(stderr, "%*c+ _tmp_147[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "')'"));
             _res = _literal;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _tmp_147[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "')'"));
     }
     { // '**'
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _tmp_147[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'**'"));
         Token * _literal;
         if (
             (_literal = _PyPegen_expect_token(p, 35))  // token='**'
         )
         {
+            D(fprintf(stderr, "%*c+ _tmp_147[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'**'"));
             _res = _literal;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _tmp_147[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'**'"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
@@ -19532,41 +23872,54 @@
 static void *
 _tmp_148_rule(Parser *p)
 {
+    D(p->level++);
     if (p->error_indicator) {
+        D(p->level--);
         return NULL;
     }
     void * _res = NULL;
     int _mark = p->mark;
     { // ':'
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _tmp_148[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "':'"));
         Token * _literal;
         if (
             (_literal = _PyPegen_expect_token(p, 11))  // token=':'
         )
         {
+            D(fprintf(stderr, "%*c+ _tmp_148[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "':'"));
             _res = _literal;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _tmp_148[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "':'"));
     }
     { // '**'
         if (p->error_indicator) {
+            D(p->level--);
             return NULL;
         }
+        D(fprintf(stderr, "%*c> _tmp_148[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'**'"));
         Token * _literal;
         if (
             (_literal = _PyPegen_expect_token(p, 35))  // token='**'
         )
         {
+            D(fprintf(stderr, "%*c+ _tmp_148[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'**'"));
             _res = _literal;
             goto done;
         }
         p->mark = _mark;
+        D(fprintf(stderr, "%*c%s _tmp_148[%d-%d]: %s failed!\n", p->level, ' ',
+                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'**'"));
     }
     _res = NULL;
   done:
+    D(p->level--);
     return _res;
 }
 
diff --git a/Parser/pegen/pegen.c b/Parser/pegen/pegen.c
index 9cade2a..cd87a9f 100644
--- a/Parser/pegen/pegen.c
+++ b/Parser/pegen/pegen.c
@@ -1027,6 +1027,7 @@
     p->flags = flags;
     p->feature_version = feature_version;
     p->known_err_token = NULL;
+    p->level = 0;
 
     return p;
 }
diff --git a/Parser/pegen/pegen.h b/Parser/pegen/pegen.h
index 761e90f..bd3056e 100644
--- a/Parser/pegen/pegen.h
+++ b/Parser/pegen/pegen.h
@@ -72,6 +72,7 @@
     int feature_version;
     growable_comment_array type_ignore_comments;
     Token *known_err_token;
+    int level;
 } Parser;
 
 typedef struct {
diff --git a/Tools/peg_generator/pegen/c_generator.py b/Tools/peg_generator/pegen/c_generator.py
index 1249d4f..ff7e75a 100644
--- a/Tools/peg_generator/pegen/c_generator.py
+++ b/Tools/peg_generator/pegen/c_generator.py
@@ -29,6 +29,13 @@
 EXTENSION_PREFIX = """\
 #include "pegen.h"
 
+#ifdef Py_DEBUG
+extern int Py_DebugFlag;
+#define D(x) if (Py_DebugFlag) x;
+#else
+#define D(x)
+#endif
+
 """
 
 
@@ -300,6 +307,16 @@
         self.debug = debug
         self.skip_actions = skip_actions
 
+    def add_level(self) -> None:
+        self.print("D(p->level++);")
+
+    def remove_level(self) -> None:
+        self.print("D(p->level--);")
+
+    def add_return(self, ret_val: str) -> None:
+        self.remove_level()
+        self.print(f"return {ret_val};")
+
     def unique_varname(self, name: str = "tmpvar") -> str:
         new_var = name + "_" + str(self._varname_counter)
         self._varname_counter += 1
@@ -310,8 +327,8 @@
         self.print(f"int {error_var} = {call_text};")
         self.print(f"if ({error_var}) {{")
         with self.indent():
-            self.print(f"return {returnval};")
-        self.print(f"}}")
+            self.add_return(returnval)
+        self.print("}")
 
     def call_with_errorcheck_goto(self, call_text: str, goto_target: str) -> None:
         error_var = self.unique_varname()
@@ -328,7 +345,7 @@
                 self.print(cleanup_code)
             self.print("p->error_indicator = 1;")
             self.print("PyErr_NoMemory();")
-            self.print("return NULL;")
+            self.add_return("NULL")
         self.print(f"}}")
 
     def out_of_memory_goto(self, expr: str, goto_target: str) -> None:
@@ -415,7 +432,7 @@
         self.print("if (p->mark == p->fill && _PyPegen_fill_token(p) < 0) {")
         with self.indent():
             self.print("p->error_indicator = 1;")
-            self.print("return NULL;")
+            self.add_return("NULL")
         self.print("}")
         self.print("int _start_lineno = p->tokens[_mark]->lineno;")
         self.print("UNUSED(_start_lineno); // Only used by EXTRA macro")
@@ -426,7 +443,7 @@
         self.print("Token *_token = _PyPegen_get_last_nonnwhitespace_token(p);")
         self.print("if (_token == NULL) {")
         with self.indent():
-            self.print("return NULL;")
+            self.add_return("NULL")
         self.print("}")
         self.print("int _end_lineno = _token->end_lineno;")
         self.print("UNUSED(_end_lineno); // Only used by EXTRA macro")
@@ -436,16 +453,18 @@
     def _check_for_errors(self) -> None:
         self.print("if (p->error_indicator) {")
         with self.indent():
-            self.print("return NULL;")
+            self.add_return("NULL")
         self.print("}")
 
     def _set_up_rule_memoization(self, node: Rule, result_type: str) -> None:
         self.print("{")
         with self.indent():
+            self.add_level()
             self.print(f"{result_type} _res = NULL;")
-            self.print(f"if (_PyPegen_is_memoized(p, {node.name}_type, &_res))")
+            self.print(f"if (_PyPegen_is_memoized(p, {node.name}_type, &_res)) {{")
             with self.indent():
-                self.print("return _res;")
+                self.add_return("_res")
+            self.print("}")
             self.print("int _mark = p->mark;")
             self.print("int _resmark = p->mark;")
             self.print("while (1) {")
@@ -462,7 +481,7 @@
                 self.print("_res = _raw;")
             self.print("}")
             self.print(f"p->mark = _resmark;")
-            self.print("return _res;")
+            self.add_return("_res")
         self.print("}")
         self.print(f"static {result_type}")
         self.print(f"{node.name}_raw(Parser *p)")
@@ -474,12 +493,14 @@
         memoize = self._should_memoize(node)
 
         with self.indent():
+            self.add_level()
             self._check_for_errors()
             self.print(f"{result_type} _res = NULL;")
             if memoize:
-                self.print(f"if (_PyPegen_is_memoized(p, {node.name}_type, &_res))")
+                self.print(f"if (_PyPegen_is_memoized(p, {node.name}_type, &_res)) {{")
                 with self.indent():
-                    self.print("return _res;")
+                    self.add_return("_res")
+                self.print("}")
             self.print("int _mark = p->mark;")
             if any(alt.action and "EXTRA" in alt.action for alt in rhs.alts):
                 self._set_up_token_start_metadata_extraction()
@@ -487,25 +508,27 @@
                 rhs, is_loop=False, is_gather=node.is_gather(), rulename=node.name,
             )
             if self.debug:
-                self.print(f'fprintf(stderr, "Fail at %d: {node.name}\\n", p->mark);')
+                self.print(f'D(fprintf(stderr, "Fail at %d: {node.name}\\n", p->mark));')
             self.print("_res = NULL;")
         self.print("  done:")
         with self.indent():
             if memoize:
                 self.print(f"_PyPegen_insert_memo(p, _mark, {node.name}_type, _res);")
-            self.print("return _res;")
+            self.add_return("_res")
 
     def _handle_loop_rule_body(self, node: Rule, rhs: Rhs) -> None:
         memoize = self._should_memoize(node)
         is_repeat1 = node.name.startswith("_loop1")
 
         with self.indent():
+            self.add_level()
             self._check_for_errors()
             self.print("void *_res = NULL;")
             if memoize:
-                self.print(f"if (_PyPegen_is_memoized(p, {node.name}_type, &_res))")
+                self.print(f"if (_PyPegen_is_memoized(p, {node.name}_type, &_res)) {{")
                 with self.indent():
-                    self.print("return _res;")
+                    self.add_return("_res")
+                self.print("}")
             self.print("int _mark = p->mark;")
             self.print("int _start_mark = p->mark;")
             self.print("void **_children = PyMem_Malloc(sizeof(void *));")
@@ -521,7 +544,7 @@
                 self.print("if (_n == 0 || p->error_indicator) {")
                 with self.indent():
                     self.print("PyMem_Free(_children);")
-                    self.print("return NULL;")
+                    self.add_return("NULL")
                 self.print("}")
             self.print("asdl_seq *_seq = _Py_asdl_seq_new(_n, p->arena);")
             self.out_of_memory_return(f"!_seq", cleanup_code="PyMem_Free(_children);")
@@ -529,7 +552,7 @@
             self.print("PyMem_Free(_children);")
             if node.name:
                 self.print(f"_PyPegen_insert_memo(p, _start_mark, {node.name}_type, _seq);")
-            self.print("return _seq;")
+            self.add_return("_seq")
 
     def visit_Rule(self, node: Rule) -> None:
         is_loop = node.is_loop()
@@ -594,12 +617,12 @@
             self.print("p->error_indicator = 1;")
             if cleanup_code:
                 self.print(cleanup_code)
-            self.print("return NULL;")
+            self.add_return("NULL")
         self.print("}")
 
         if self.debug:
             self.print(
-                f'fprintf(stderr, "Hit with action [%d-%d]: %s\\n", _mark, p->mark, "{node}");'
+                f'D(fprintf(stderr, "Hit with action [%d-%d]: %s\\n", _mark, p->mark, "{node}"));'
             )
 
     def emit_default_action(self, is_gather: bool, node: Alt) -> None:
@@ -613,7 +636,7 @@
             else:
                 if self.debug:
                     self.print(
-                        f'fprintf(stderr, "Hit without action [%d:%d]: %s\\n", _mark, p->mark, "{node}");'
+                        f'D(fprintf(stderr, "Hit without action [%d:%d]: %s\\n", _mark, p->mark, "{node}"));'
                     )
                 self.print(
                     f"_res = _PyPegen_dummy_name(p, {', '.join(self.local_variable_names)});"
@@ -621,18 +644,21 @@
         else:
             if self.debug:
                 self.print(
-                    f'fprintf(stderr, "Hit with default action [%d:%d]: %s\\n", _mark, p->mark, "{node}");'
+                    f'D(fprintf(stderr, "Hit with default action [%d:%d]: %s\\n", _mark, p->mark, "{node}"));'
                 )
             self.print(f"_res = {self.local_variable_names[0]};")
 
     def emit_dummy_action(self) -> None:
         self.print("_res = _PyPegen_dummy_name(p);")
 
-    def handle_alt_normal(self, node: Alt, is_gather: bool) -> None:
+    def handle_alt_normal(self, node: Alt, is_gather: bool, rulename: Optional[str]) -> None:
         self.join_conditions(keyword="if", node=node)
         self.print("{")
         # We have parsed successfully all the conditions for the option.
         with self.indent():
+            self.print(
+                f'D(fprintf(stderr, "%*c+ {rulename}[%d-%d]: %s succeeded!\\n", p->level, \' \', _mark, p->mark, "{node}"));'
+            )
             # Prepare to emmit the rule action and do so
             if node.action and "EXTRA" in node.action:
                 self._set_up_token_end_metadata_extraction()
@@ -684,6 +710,9 @@
         self.print(f"{{ // {node}")
         with self.indent():
             self._check_for_errors()
+            self.print(
+                f'D(fprintf(stderr, "%*c> {rulename}[%d-%d]: %s\\n", p->level, \' \', _mark, p->mark, "{node}"));'
+            )
             # Prepare variable declarations for the alternative
             vars = self.collect_vars(node)
             for v, var_type in sorted(item for item in vars.items() if item[0] is not None):
@@ -701,11 +730,18 @@
                 if is_loop:
                     self.handle_alt_loop(node, is_gather, rulename)
                 else:
-                    self.handle_alt_normal(node, is_gather)
+                    self.handle_alt_normal(node, is_gather, rulename)
 
             self.print("p->mark = _mark;")
+            self.print(
+                f"D(fprintf(stderr, \"%*c%s {rulename}[%d-%d]: %s failed!\\n\", p->level, ' ',\n"
+                f'                  p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "{node}"));'
+            )
             if "_cut_var" in vars:
-                self.print("if (_cut_var) return NULL;")
+                self.print("if (_cut_var) {")
+                with self.indent():
+                    self.add_return("NULL")
+                self.print("}")
         self.print("}")
 
     def collect_vars(self, node: Alt) -> Dict[Optional[str], Optional[str]]:
diff --git a/Tools/peg_generator/pegen/testutil.py b/Tools/peg_generator/pegen/testutil.py
index 264659e..920d246 100644
--- a/Tools/peg_generator/pegen/testutil.py
+++ b/Tools/peg_generator/pegen/testutil.py
@@ -96,7 +96,7 @@
     # context.
     assert not os.listdir(path)
     source = path / "parse.c"
-    with open(source, "w") as file:
+    with open(source, "w", encoding="utf-8") as file:
         genr = CParserGenerator(
             grammar, ALL_TOKENS, EXACT_TOKENS, NON_EXACT_TOKENS, file, debug=debug
         )