Make c-exp.y work with Bison 3.8+

When using Bison 3.8, we get this error:

    ../../gdb/c-exp.y:3455:1: error: 'void c_print_token(FILE*, int, YYSTYPE)' defined but not used [-Werror=unused-function]

That's because bison 3.8 removed YYPRINT support:
https://savannah.gnu.org/forum/forum.php?forum_id=10047

Accordingly, this patch only defines that function for Bison < 3.8.

Change-Id: I3cbf2f317630bb72810b00f2d9b2c4b99fa812ad
This commit is contained in:
Christian Biesinger 2021-10-08 16:09:46 -04:00 committed by Simon Marchi
parent e43321cab2
commit 6d81986879

View File

@ -167,7 +167,7 @@ static struct stoken operator_stoken (const char *);
static struct stoken typename_stoken (const char *);
static void check_parameter_typelist (std::vector<struct type *> *);
#ifdef YYBISON
#if defined(YYBISON) && YYBISON < 30800
static void c_print_token (FILE *file, int type, YYSTYPE value);
#define YYPRINT(FILE, TYPE, VALUE) c_print_token (FILE, TYPE, VALUE)
#endif
@ -3446,7 +3446,8 @@ c_parse (struct parser_state *par_state)
return result;
}
#ifdef YYBISON
#if defined(YYBISON) && YYBISON < 30800
/* This is called via the YYPRINT macro when parser debugging is
enabled. It prints a token's value. */