Disable the parser hacks that enabled the "yield" keyword using a future
statement.
diff --git a/Parser/parser.h b/Parser/parser.h
index b0c9a1e..95ec247 100644
--- a/Parser/parser.h
+++ b/Parser/parser.h
@@ -25,7 +25,9 @@
stack p_stack; /* Stack of parser states */
grammar *p_grammar; /* Grammar to use */
node *p_tree; /* Top of parse tree */
+#if 0 /* future keyword */
int p_generators; /* 1 if yield is a keyword */
+#endif
} parser_state;
parser_state *PyParser_New(grammar *g, int start);
diff --git a/Parser/parsetok.c b/Parser/parsetok.c
index ed4fe7b..472b0f5 100644
--- a/Parser/parsetok.c
+++ b/Parser/parsetok.c
@@ -83,8 +83,10 @@
/* Parse input coming from the given tokenizer structure.
Return error code. */
+#if 0 /* future keyword */
static char yield_msg[] =
"%s:%d: Warning: 'yield' will become a reserved keyword in the future\n";
+#endif
static node *
parsetok(struct tok_state *tok, grammar *g, int start, perrdetail *err_ret,
@@ -99,8 +101,10 @@
err_ret->error = E_NOMEM;
return NULL;
}
+#if 0 /* future keyword */
if (flags & PyPARSE_YIELD_IS_KEYWORD)
ps->p_generators = 1;
+#endif
for (;;) {
char *a, *b;
@@ -130,6 +134,7 @@
strncpy(str, a, len);
str[len] = '\0';
+#if 0 /* future keyword */
/* Warn about yield as NAME */
if (type == NAME && !ps->p_generators &&
len == 5 && str[0] == 'y' && strcmp(str, "yield") == 0)
@@ -137,6 +142,7 @@
err_ret->filename==NULL ?
"<string>" : err_ret->filename,
tok->lineno);
+#endif
if ((err_ret->error =
PyParser_AddToken(ps, (int)type, str, tok->lineno,