commit 527c62292675ce6f0528593915900f2d025b0259
author Benjamin Peterson <benjamin@python.org> Sat Jan 14 08:58:23 2012 -0500
committer Benjamin Peterson <benjamin@python.org> Sat Jan 14 08:58:23 2012 -0500
tree 010c85e5dc0b555d1342040b04fadededc3b3984
parent 91f252b179c4d399f735fedf72e53148e0b057fc

make YieldFrom its own distinct from Yield (closes #13780)

Python/ast.c

diff --git a/Python/ast.c b/Python/ast.c
index 7080c65..3417fe3 100644
--- a/Python/ast.c
+++ b/Python/ast.c
@@ -223,6 +223,9 @@
             validate_expr(exp->v.DictComp.value, Load);
     case Yield_kind:
         return !exp->v.Yield.value || validate_expr(exp->v.Yield.value, Load);
+    case YieldFrom_kind:
+        return !exp->v.YieldFrom.value ||
+            validate_expr(exp->v.YieldFrom.value, Load);
     case Compare_kind:
         if (!asdl_seq_LEN(exp->v.Compare.comparators)) {
             PyErr_SetString(PyExc_ValueError, "Compare with no comparators");
@@ -942,6 +945,7 @@
             expr_name = "generator expression";
             break;
         case Yield_kind:
+        case YieldFrom_kind:
             expr_name = "yield expression";
             break;
         case ListComp_kind:
@@ -2386,7 +2390,9 @@
                 if (!exp)
                     return NULL;
             }
-            return Yield(is_from, exp, LINENO(n), n->n_col_offset, c->c_arena);
+            if (is_from)
+                return YieldFrom(exp, LINENO(n), n->n_col_offset, c->c_arena);
+            return Yield(exp, LINENO(n), n->n_col_offset, c->c_arena);
         }
         case factor:
             if (NCH(n) == 1) {