-m4_divert(-1) -*- C -*-
+m4_divert(-1) -*- C -*-
# Yacc compatible skeleton for Bison
## ------------------------ ##
-# b4_pure_if(IF-TRUE, IF-FALSE)
-# -----------------------------
+# b4_yacc_pure_if(IF-TRUE, IF-FALSE)
+# ----------------------------------
# Expand IF-TRUE, if %pure-parser and %parse-param, IF-FALSE otherwise.
-m4_define([b4_Pure_if],
+m4_define([b4_yacc_pure_if],
[b4_pure_if([m4_ifset([b4_parse_param],
[$1], [$2])],
[$2])])
# ---------------
# Arguments passed to yyerror: user args plus yylloc.
m4_define([b4_yyerror_args],
-[b4_Pure_if([b4_location_if([&yylloc, ])])dnl
+[b4_yacc_pure_if([b4_location_if([&yylloc, ])])dnl
m4_ifset([b4_parse_param], [b4_c_args(b4_parse_param), ])])
/* Line __line__ of yacc.c. */
b4_syncline([@oline@], [@ofile@])[
-#if ! defined (YYSIZE_T) && defined (__SIZE_TYPE__)
-# define YYSIZE_T __SIZE_TYPE__
-#endif
-#if ! defined (YYSIZE_T) && defined (size_t)
-# define YYSIZE_T size_t
-#endif
-#if ! defined (YYSIZE_T) && (defined (__STDC__) || defined (__cplusplus))
-# include <stddef.h> /* INFRINGES ON USER NAME SPACE */
-# define YYSIZE_T size_t
+/* Define YYMODERN_C if this compiler supports C89 or better. If
+ __STDC__ is defined, the compiler is modern. IBM xlc 7.0 when run
+ as 'cc' doesn't define __STDC__ (or __STDC_VERSION__) for pedantic
+ reasons, but it defines __C99__FUNC__ so check that as well.
+ Consider a C++ compiler to be modern if it defines __cplusplus. */
+#ifndef YYMODERN_C
+# if defined (__STDC__) || defined (__C99__FUNC__) || defined (__cplusplus)
+# define YYMODERN_C 1
+# else
+# define YYMODERN_C 0
+# endif
#endif
-#if ! defined (YYSIZE_T)
-# define YYSIZE_T unsigned int
+
+#ifndef YYSIZE_T
+# if defined (__SIZE_TYPE__)
+# define YYSIZE_T __SIZE_TYPE__
+# elif defined (size_t)
+# define YYSIZE_T size_t
+# elif ! defined (YYSIZE_T) && YYMODERN_C
+# include <stddef.h> /* INFRINGES ON USER NAME SPACE */
+# define YYSIZE_T size_t
+# else
+# define YYSIZE_T unsigned int
+# endif
#endif
#define YYSIZE_MAXIMUM ((YYSIZE_T) -1)
# endif
#endif
+/* Suppress unused-variable warnings by "using" E. */
+#define YYUSE(e) do {;} while (/*CONSTCOND*/ 0 && (e))
+
#if ! defined (yyoverflow) || YYERROR_VERBOSE
/* The parser invokes alloca or malloc; define the necessary symbols. */
# if YYSTACK_USE_ALLOCA
# ifdef __GNUC__
# define YYSTACK_ALLOC __builtin_alloca
+# elif defined (__BUILTIN_VA_ARG_INCR)
+# include <alloca.h> /* INFRINGES ON USER NAME SPACE */
+# elif defined (_AIX)
+# define YYSTACK_ALLOC __alloca
+# elif defined (_MSC_VER)
+# include <malloc.h> /* INFRINGES ON USER NAME SPACE */
+# define alloca _alloca
# else
# define YYSTACK_ALLOC alloca
-# if defined (__STDC__) || defined (__cplusplus)
+# if ! defined (_ALLOCA_H) && ! defined (_STDLIB_H) && YYMODERN_C
# include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
-# define YYINCLUDED_STDLIB_H
+# ifndef _STDLIB_H
+# define _STDLIB_H 1
+# endif
# endif
# endif
# endif
# endif
# ifndef YYMALLOC
# define YYMALLOC malloc
-# if (! defined (malloc) && ! defined (YYINCLUDED_STDLIB_H) \
- && (defined (__STDC__) || defined (__cplusplus)))
+# if ! defined (malloc) && ! defined (_STDLIB_H) && YYMODERN_C
void *malloc (YYSIZE_T); /* INFRINGES ON USER NAME SPACE */
# endif
# endif
# ifndef YYFREE
# define YYFREE free
-# if (! defined (free) && ! defined (YYINCLUDED_STDLIB_H) \
- && (defined (__STDC__) || defined (__cplusplus)))
+# if ! defined (free) && ! defined (_STDLIB_H) && YYMODERN_C
void free (void *); /* INFRINGES ON USER NAME SPACE */
# endif
# endif
for (yyi = 0; yyi < (Count); yyi++) \
(To)[yyi] = (From)[yyi]; \
} \
- while (0)
+ while (/*CONSTCOND*/ 0)
# endif
# endif
yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \
yyptr += yynewbytes / sizeof (*yyptr); \
} \
- while (0)
+ while (/*CONSTCOND*/ 0)
#endif
-#if defined (__STDC__) || defined (__cplusplus)
+#if YYMODERN_C
typedef signed char yysigned_char;
#else
typedef short int yysigned_char;
yyerror (]b4_yyerror_args[YY_("syntax error: cannot back up")); \
YYERROR; \
} \
-while (0)
+while (/*CONSTCOND*/ 0)
#define YYTERROR 1
(Current).first_column = (Current).last_column = \
YYRHSLOC (Rhs, 0).last_column; \
} \
- while (0)
+ while (/*CONSTCOND*/ 0)
#endif
do { \
if (yydebug) \
YYFPRINTF Args; \
-} while (0)
-
-# define YY_SYMBOL_PRINT(Title, Type, Value, Location) \
-do { \
- if (yydebug) \
- { \
- YYFPRINTF (stderr, "%s ", Title); \
- yysymprint (stderr, \
- Type, Value]b4_location_if([, Location])[); \
- YYFPRINTF (stderr, "\n"); \
- } \
-} while (0)
+} while (/*CONSTCOND*/ 0)
+
+# define YY_SYMBOL_PRINT(Title, Type, Value, Location) \
+do { \
+ if (yydebug) \
+ { \
+ YYFPRINTF (stderr, "%s ", Title); \
+ yysymprint (stderr, \
+ Type, Value]b4_location_if([, Location])[]b4_user_args[); \
+ YYFPRINTF (stderr, "\n"); \
+ } \
+} while (/*CONSTCOND*/ 0)
/*------------------------------------------------------------------.
| yy_stack_print -- Print the state stack from its BOTTOM up to its |
do { \
if (yydebug) \
yy_stack_print ((Bottom), (Top)); \
-} while (0)
+} while (/*CONSTCOND*/ 0)
/*------------------------------------------------.
do { \
if (yydebug) \
yy_reduce_print (Rule); \
-} while (0)
+} while (/*CONSTCOND*/ 0)
/* Nonzero means print parse trace. It is left uninitialized so that
multiple parsers can coexist. */
# else
/* Return the length of YYSTR. */
static YYSIZE_T
-# if defined (__STDC__) || defined (__cplusplus)
+# if YYMODERN_C
yystrlen (const char *yystr)
# else
yystrlen (yystr)
/* Copy YYSRC to YYDEST, returning the address of the terminating '\0' in
YYDEST. */
static char *
-# if defined (__STDC__) || defined (__cplusplus)
+# if YYMODERN_C
yystpcpy (char *yydest, const char *yysrc)
# else
yystpcpy (yydest, yysrc)
/* Prevent warnings from -Wmissing-prototypes. */
#ifdef YYPARSE_PARAM
-# if defined (__STDC__) || defined (__cplusplus)
+# if YYMODERN_C
int yyparse (void *YYPARSE_PARAM);
# else
int yyparse ();
`----------*/
#ifdef YYPARSE_PARAM
-# if defined (__STDC__) || defined (__cplusplus)
+# if YYMODERN_C
int yyparse (void *YYPARSE_PARAM)
# else
int yyparse (YYPARSE_PARAM)
}
else
{
- yydestruct ("Error: discarding", yytoken, &yylval]b4_location_if([, &yylloc])[);
+ yydestruct ("Error: discarding",
+ yytoken, &yylval]b4_location_if([, &yylloc])[]b4_user_args[);
yychar = YYEMPTY;
}
}
/* Pacify compilers like GCC when the user code never invokes
YYERROR and the label yyerrorlab therefore never appears in user
code. */
- if (0)
+ if (/*CONSTCOND*/ 0)
goto yyerrorlab;
]b4_location_if([[ yyerror_range[0] = yylsp[1-yylen];
YYABORT;
]b4_location_if([[ yyerror_range[0] = *yylsp;]])[
- yydestruct ("Error: popping", yystos[yystate], yyvsp]b4_location_if([, yylsp])[);
+ yydestruct ("Error: popping",
+ yystos[yystate], yyvsp]b4_location_if([, yylsp])[]b4_user_args[);
YYPOPSTACK;
yystate = *yyssp;
YY_STACK_PRINT (yyss, yyssp);
yyreturn:
if (yychar != YYEOF && yychar != YYEMPTY)
yydestruct ("Cleanup: discarding lookahead",
- yytoken, &yylval]b4_location_if([, &yylloc])[);
+ yytoken, &yylval]b4_location_if([, &yylloc])[]b4_user_args[);
while (yyssp != yyss)
{
yydestruct ("Cleanup: popping",
- yystos[*yyssp], yyvsp]b4_location_if([, yylsp])[);
+ yystos[*yyssp], yyvsp]b4_location_if([, yylsp])[]b4_user_args[);
YYPOPSTACK;
}
#ifndef yyoverflow
projects / bison.git / blobdiff