diff options
Diffstat (limited to 'gcc/c-parse.in')
| -rw-r--r-- | gcc/c-parse.in | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/gcc/c-parse.in b/gcc/c-parse.in index 6ce9a2e9516..2a948328f73 100644 --- a/gcc/c-parse.in +++ b/gcc/c-parse.in @@ -331,6 +331,8 @@ ifc #define OBJC_NEED_RAW_IDENTIFIER(VAL) /* nothing */ end ifc +static bool parsing_iso_function_signature; + /* Tell yyparse how to print a token's value, if yydebug is set. */ #define YYPRINT(FILE,YYCHAR,YYLVAL) yyprint(FILE,YYCHAR,YYLVAL) @@ -382,6 +384,10 @@ extdefs: ; extdef: + extdef_1 + { parsing_iso_function_signature = false; } /* Reset after any external definition. */ + +extdef_1: fndef | datadef ifobjc @@ -787,7 +793,19 @@ objc_string: end ifobjc old_style_parm_decls: + old_style_parm_decls_1 + { + parsing_iso_function_signature = false; /* Reset after decls. */ + } + +old_style_parm_decls_1: /* empty */ + { + if (warn_traditional && !in_system_header + && parsing_iso_function_signature) + warning ("traditional C rejects ISO C style function definitions"); + parsing_iso_function_signature = false; /* Reset after warning. */ + } | datadecls | datadecls ELLIPSIS /* ... is used here to indicate a varargs function. */ @@ -1586,6 +1604,7 @@ nested_function: pop_function_context (); YYERROR1; } + parsing_iso_function_signature = false; /* Don't warn about nested functions. */ } old_style_parm_decls { store_parm_decls (); } @@ -1616,6 +1635,7 @@ notype_nested_function: pop_function_context (); YYERROR1; } + parsing_iso_function_signature = false; /* Don't warn about nested functions. */ } old_style_parm_decls { store_parm_decls (); } @@ -2540,7 +2560,9 @@ parmlist_2: /* empty */ error ("ISO C requires a named argument before `...'"); } | parms - { $$ = get_parm_info (1); } + { $$ = get_parm_info (1); + parsing_iso_function_signature = true; + } | parms ',' ELLIPSIS { $$ = get_parm_info (0); } ; |