-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), ])])
m4_eval([0 <= $1]), [1], [unsigned int],
- [int])])
+ [int])])
## ----------------- ##
#define yynerrs b4_prefix[]nerrs
b4_location_if([#define yylloc b4_prefix[]lloc])])[
-]b4_token_defines(b4_tokens)[
+]b4_token_enums_defines(b4_tokens)[
/* Copy the first part of user declarations. */
]b4_pre_prologue[
# define YYERROR_VERBOSE ]b4_error_verbose[
#endif
+/* Enabling the token table. */
+#ifndef YYTOKEN_TABLE
+# define YYTOKEN_TABLE ]b4_token_table[
+#endif
+
#if ! defined (YYSTYPE) && ! defined (YYSTYPE_IS_DECLARED)
]m4_ifdef([b4_stype],
-[b4_syncline([b4_stype_line], [b4_filename])
+[b4_syncline([b4_stype_line], [b4_file_name])
typedef union m4_bregexp(b4_stype, [^{], [YYSTYPE ])b4_stype YYSTYPE;
/* Line __line__ of yacc.c. */
b4_syncline([@oline@], [@ofile@])],
/* 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)
+
#ifndef YY_
# if YYENABLE_NLS
# if ENABLE_NLS
# 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
# define YYSTACK_ALLOC YYMALLOC
# define YYSTACK_FREE YYFREE
# ifndef YYSTACK_ALLOC_MAXIMUM
-# define YYSTACK_ALLOC_MAXIMUM ((YYSIZE_T) -1)
+# define YYSTACK_ALLOC_MAXIMUM YYSIZE_MAXIMUM
# endif
# ifdef __cplusplus
extern "C" {
# 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;
#define YYUNDEFTOK ]b4_undef_token_number[
#define YYMAXUTOK ]b4_user_token_number_max[
-#define YYTRANSLATE(YYX) \
+#define YYTRANSLATE(YYX) \
((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK)
/* YYTRANSLATE[YYLEX] -- Bison symbol number corresponding to YYLEX. */
};
#endif
-#if YYDEBUG || YYERROR_VERBOSE
+#if YYDEBUG || YYERROR_VERBOSE || YYTOKEN_TABLE
/* YYTNAME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM.
First, the terminals, then, starting at YYNTOKENS, nonterminals. */
static const char *const yytname[] =
goto yybackup; \
} \
else \
- { \
+ { \
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)
}
# endif
-#endif /* YYERROR_VERBOSE */
+/* Copy into YYRESULT an error message about the unexpected token
+ YYCHAR while in state YYSTATE. Return the number of bytes copied,
+ including the terminating null byte. If YYRESULT is null, do not
+ copy anything; just return the number of bytes that would be
+ copied. As a special case, return 0 if an ordinary "syntax error"
+ message will do. Return YYSIZE_MAXIMUM if overflow occurs during
+ size calculation. */
+static YYSIZE_T
+yysyntax_error (char *yyresult, int yystate, int yychar)
+{
+ int yyn = yypact[yystate];
+ if (! (YYPACT_NINF < yyn && yyn < YYLAST))
+ return 0;
+ else
+ {
+ int yytype = YYTRANSLATE (yychar);
+ YYSIZE_T yysize0 = yytnamerr (0, yytname[yytype]);
+ YYSIZE_T yysize = yysize0;
+ YYSIZE_T yysize1;
+ int yysize_overflow = 0;
+ enum { YYERROR_VERBOSE_ARGS_MAXIMUM = 5 };
+ char const *yyarg[YYERROR_VERBOSE_ARGS_MAXIMUM];
+ int yyx;
+
+# if 0
+ /* This is so xgettext sees the translatable formats that are
+ constructed on the fly. */
+ YY_("syntax error, unexpected %s");
+ YY_("syntax error, unexpected %s, expecting %s");
+ YY_("syntax error, unexpected %s, expecting %s or %s");
+ YY_("syntax error, unexpected %s, expecting %s or %s or %s");
+ YY_("syntax error, unexpected %s, expecting %s or %s or %s or %s");
+# endif
+ char *yyfmt;
+ char const *yyf;
+ static char const yyunexpected[] = "syntax error, unexpected %s";
+ static char const yyexpecting[] = ", expecting %s";
+ static char const yyor[] = " or %s";
+ char yyformat[sizeof yyunexpected
+ + sizeof yyexpecting - 1
+ + ((YYERROR_VERBOSE_ARGS_MAXIMUM - 2)
+ * (sizeof yyor - 1))];
+ char const *yyprefix = yyexpecting;
+
+ /* Start YYX at -YYN if negative to avoid negative indexes in
+ YYCHECK. */
+ int yyxbegin = yyn < 0 ? -yyn : 0;
+
+ /* Stay within bounds of both yycheck and yytname. */
+ int yychecklim = YYLAST - yyn;
+ int yyxend = yychecklim < YYNTOKENS ? yychecklim : YYNTOKENS;
+ int yycount = 1;
+
+ yyarg[0] = yytname[yytype];
+ yyfmt = yystpcpy (yyformat, yyunexpected);
+
+ for (yyx = yyxbegin; yyx < yyxend; ++yyx)
+ if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR)
+ {
+ if (yycount == YYERROR_VERBOSE_ARGS_MAXIMUM)
+ {
+ yycount = 1;
+ yysize = yysize0;
+ yyformat[sizeof yyunexpected - 1] = '\0';
+ break;
+ }
+ yyarg[yycount++] = yytname[yyx];
+ yysize1 = yysize + yytnamerr (0, yytname[yyx]);
+ yysize_overflow |= yysize1 < yysize;
+ yysize = yysize1;
+ yyfmt = yystpcpy (yyfmt, yyprefix);
+ yyprefix = yyor;
+ }
+
+ yyf = YY_(yyformat);
+ yysize1 = yysize + yystrlen (yyf);
+ yysize_overflow |= yysize1 < yysize;
+ yysize = yysize1;
+
+ if (yysize_overflow)
+ return YYSIZE_MAXIMUM;
+
+ if (yyresult)
+ {
+ /* Avoid sprintf, as that infringes on the user's name space.
+ Don't have undefined behavior even if the translation
+ produced a string with the wrong number of "%s"s. */
+ char *yyp = yyresult;
+ int yyi = 0;
+ while ((*yyp = *yyf))
+ {
+ if (*yyp == '%' && yyf[1] == 's' && yyi < yycount)
+ {
+ yyp += yytnamerr (yyp, yyarg[yyi++]);
+ yyf += 2;
+ }
+ else
+ {
+ yyp++;
+ yyf++;
+ }
+ }
+ }
+ return yysize;
+ }
+}
+#endif /* YYERROR_VERBOSE */
\f
#if YYDEBUG
/* 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)
int yyerrstatus;
/* Look-ahead token as an internal (translated) token number. */
int yytoken = 0;
+#if YYERROR_VERBOSE
+ /* Buffer for error messages, and its allocated size. */
+ char yymsgbuf[128];
+ char *yymsg = yymsgbuf;
+ YYSIZE_T yymsg_alloc = sizeof yymsgbuf;
+#endif
/* Three stacks and their tools:
`yyss': related to states,
if (!yyerrstatus)
{
++yynerrs;
-#if YYERROR_VERBOSE
- yyn = yypact[yystate];
-
- if (YYPACT_NINF < yyn && yyn < YYLAST)
- {
- int yytype = YYTRANSLATE (yychar);
- YYSIZE_T yysize0 = yytnamerr (0, yytname[yytype]);
- YYSIZE_T yysize = yysize0;
- YYSIZE_T yysize1;
- int yysize_overflow = 0;
- char *yymsg = 0;
-# define YYERROR_VERBOSE_ARGS_MAXIMUM 5
- char const *yyarg[YYERROR_VERBOSE_ARGS_MAXIMUM];
- int yyx;
-
-#if 0
- /* This is so xgettext sees the translatable formats that are
- constructed on the fly. */
- YY_("syntax error, unexpected %s");
- YY_("syntax error, unexpected %s, expecting %s");
- YY_("syntax error, unexpected %s, expecting %s or %s");
- YY_("syntax error, unexpected %s, expecting %s or %s or %s");
- YY_("syntax error, unexpected %s, expecting %s or %s or %s or %s");
-#endif
- char *yyfmt;
- char const *yyf;
- static char const yyunexpected[] = "syntax error, unexpected %s";
- static char const yyexpecting[] = ", expecting %s";
- static char const yyor[] = " or %s";
- char yyformat[sizeof yyunexpected
- + sizeof yyexpecting - 1
- + ((YYERROR_VERBOSE_ARGS_MAXIMUM - 2)
- * (sizeof yyor - 1))];
- char const *yyprefix = yyexpecting;
-
- /* Start YYX at -YYN if negative to avoid negative indexes in
- YYCHECK. */
- int yyxbegin = yyn < 0 ? -yyn : 0;
-
- /* Stay within bounds of both yycheck and yytname. */
- int yychecklim = YYLAST - yyn;
- int yyxend = yychecklim < YYNTOKENS ? yychecklim : YYNTOKENS;
- int yycount = 1;
-
- yyarg[0] = yytname[yytype];
- yyfmt = yystpcpy (yyformat, yyunexpected);
-
- for (yyx = yyxbegin; yyx < yyxend; ++yyx)
- if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR)
+#if ! YYERROR_VERBOSE
+ yyerror (]b4_yyerror_args[YY_("syntax error"));
+#else
+ {
+ YYSIZE_T yysize = yysyntax_error (0, yystate, yychar);
+ if (yymsg_alloc < yysize && yymsg_alloc < YYSTACK_ALLOC_MAXIMUM)
+ {
+ YYSIZE_T yyalloc = 2 * yysize;
+ if (! (yysize <= yyalloc && yyalloc <= YYSTACK_ALLOC_MAXIMUM))
+ yyalloc = YYSTACK_ALLOC_MAXIMUM;
+ if (yymsg != yymsgbuf)
+ YYSTACK_FREE (yymsg);
+ yymsg = (char *) YYSTACK_ALLOC (yyalloc);
+ if (yymsg)
+ yymsg_alloc = yyalloc;
+ else
{
- if (yycount == YYERROR_VERBOSE_ARGS_MAXIMUM)
- {
- yycount = 1;
- yysize = yysize0;
- yyformat[sizeof yyunexpected - 1] = '\0';
- break;
- }
- yyarg[yycount++] = yytname[yyx];
- yysize1 = yysize + yytnamerr (0, yytname[yyx]);
- yysize_overflow |= yysize1 < yysize;
- yysize = yysize1;
- yyfmt = yystpcpy (yyfmt, yyprefix);
- yyprefix = yyor;
+ yymsg = yymsgbuf;
+ yymsg_alloc = sizeof yymsgbuf;
}
+ }
- yyf = YY_(yyformat);
- yysize1 = yysize + yystrlen (yyf);
- yysize_overflow |= yysize1 < yysize;
- yysize = yysize1;
-
- if (!yysize_overflow && yysize <= YYSTACK_ALLOC_MAXIMUM)
- yymsg = (char *) YYSTACK_ALLOC (yysize);
- if (yymsg)
- {
- /* Avoid sprintf, as that infringes on the user's name space.
- Don't have undefined behavior even if the translation
- produced a string with the wrong number of "%s"s. */
- char *yyp = yymsg;
- int yyi = 0;
- while ((*yyp = *yyf))
- {
- if (*yyp == '%' && yyf[1] == 's' && yyi < yycount)
- {
- yyp += yytnamerr (yyp, yyarg[yyi++]);
- yyf += 2;
- }
- else
- {
- yyp++;
- yyf++;
- }
- }
- yyerror (]b4_yyerror_args[yymsg);
- YYSTACK_FREE (yymsg);
- }
- else
- {
- yyerror (]b4_yyerror_args[YY_("syntax error"));
+ if (0 < yysize && yysize <= yymsg_alloc)
+ {
+ (void) yysyntax_error (yymsg, yystate, yychar);
+ yyerror (]b4_yyerror_args[yymsg);
+ }
+ else
+ {
+ yyerror (]b4_yyerror_args[YY_("syntax error"));
+ if (yysize != 0)
goto yyexhaustedlab;
- }
- }
- else
-#endif /* YYERROR_VERBOSE */
- yyerror (]b4_yyerror_args[YY_("syntax error"));
+ }
+ }
+#endif
}
]b4_location_if([[ yyerror_range[0] = yylloc;]])[
}
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 ("Error: discarding lookahead",
- yytoken, &yylval]b4_location_if([, &yylloc])[);
+ yydestruct ("Cleanup: discarding lookahead",
+ yytoken, &yylval]b4_location_if([, &yylloc])[]b4_user_args[);
while (yyssp != yyss)
{
- yydestruct ("Error: popping",
- yystos[*yyssp], yyvsp]b4_location_if([, yylsp])[);
+ yydestruct ("Cleanup: popping",
+ yystos[*yyssp], yyvsp]b4_location_if([, yylsp])[]b4_user_args[);
YYPOPSTACK;
}
#ifndef yyoverflow
if (yyss != yyssa)
YYSTACK_FREE (yyss);
+#endif
+#if YYERROR_VERBOSE
+ if (yymsg != yymsgbuf)
+ YYSTACK_FREE (yymsg);
#endif
return yyresult;
]}
This special exception was added by the Free Software Foundation
in version 1.24 of Bison. */
-b4_token_defines(b4_tokens)
+b4_token_enums_defines(b4_tokens)
#if ! defined (YYSTYPE) && ! defined (YYSTYPE_IS_DECLARED)
m4_ifdef([b4_stype],
-[b4_syncline([b4_stype_line], [b4_filename])
+[b4_syncline([b4_stype_line], [b4_file_name])
typedef union m4_bregexp(b4_stype, [^{], [YYSTYPE ])b4_stype YYSTYPE;
/* Line __line__ of yacc.c. */
b4_syncline([@oline@], [@ofile@])],
projects / bison.git / blobdiff