-*- C -*-
# Yacc compatible skeleton for Bison
-# Copyright (C) 1984, 1989-1990, 2000-2011 Free Software Foundation,
+# Copyright (C) 1984, 1989-1990, 2000-2012 Free Software Foundation,
# Inc.
m4_pushdef([b4_copyright_years],
- [1984, 1989-1990, 2000-2011])
+ [1984, 1989-1990, 2000-2012])
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# Expand IF-TRUE, if %pure-parser and %parse-param, IF-FALSE otherwise.
m4_define([b4_yacc_pure_if],
[b4_pure_if([m4_ifset([b4_parse_param],
- [$1], [$2])],
- [$2])])
+ [$1], [$2])],
+ [$2])])
# b4_yyerror_args
m4_eval([0 <= $1]), [1], [unsigned int],
- [int])])
+ [int])])
## ----------------- ##
m4_changecom()
m4_divert_push(0)dnl
@output(b4_parser_file_name@)@
-b4_copyright([Implementation for Bison's Yacc-like parsers in C])[
+b4_copyright([Bison implementation for Yacc-like parsers in C])[
/* C LALR(1) parser skeleton written by Richard Stallman, by
simplifying the original so-called "semantic" parser. */
/* Copy the first part of user declarations. */
]b4_user_pre_prologue[
+]b4_null_define[
+
/* Enabling traces. */
#ifndef YYDEBUG
# define YYDEBUG ]b4_parse_trace_if([1], [0])[
# define YYSTACK_ALLOC alloca
# if ! defined _ALLOCA_H && ! defined EXIT_SUCCESS && ]b4_c_modern[
# include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
+ /* Use EXIT_SUCCESS as a witness for stdlib.h. */
# ifndef EXIT_SUCCESS
# define EXIT_SUCCESS 0
# endif
# endif
# if (defined __cplusplus && ! defined EXIT_SUCCESS \
&& ! ((defined YYMALLOC || defined malloc) \
- && (defined YYFREE || defined free)))
+ && (defined YYFREE || defined free)))
# include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
# ifndef EXIT_SUCCESS
# define EXIT_SUCCESS 0
#if (! defined yyoverflow \
&& (! defined __cplusplus \
- || (]b4_locations_if([[defined YYLTYPE_IS_TRIVIAL && YYLTYPE_IS_TRIVIAL \
- && ]])[defined YYSTYPE_IS_TRIVIAL && YYSTYPE_IS_TRIVIAL)))
+ || (]b4_locations_if([[defined YYLTYPE_IS_TRIVIAL && YYLTYPE_IS_TRIVIAL \
+ && ]])[defined YYSTYPE_IS_TRIVIAL && YYSTYPE_IS_TRIVIAL)))
/* A type that is properly aligned for any stack member. */
union yyalloc
elements in the stack, and YYPTR gives the new location of the
stack. Advance YYPTR to a properly aligned location for the next
stack. */
-# define YYSTACK_RELOCATE(Stack_alloc, Stack) \
- do \
- { \
- YYSIZE_T yynewbytes; \
- YYCOPY (&yyptr->Stack_alloc, Stack, yysize); \
- Stack = &yyptr->Stack_alloc; \
- yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \
- yyptr += yynewbytes / sizeof (*yyptr); \
- } \
+# define YYSTACK_RELOCATE(Stack_alloc, Stack) \
+ do \
+ { \
+ YYSIZE_T yynewbytes; \
+ YYCOPY (&yyptr->Stack_alloc, Stack, yysize); \
+ Stack = &yyptr->Stack_alloc; \
+ yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \
+ yyptr += yynewbytes / sizeof (*yyptr); \
+ } \
while (YYID (0))
#endif
#if defined YYCOPY_NEEDED && YYCOPY_NEEDED
-/* Copy COUNT objects from FROM to TO. The source and destination do
+/* Copy COUNT objects from SRC to DST. The source and destination do
not overlap. */
# ifndef YYCOPY
# if defined __GNUC__ && 1 < __GNUC__
-# define YYCOPY(To, From, Count) \
- __builtin_memcpy (To, From, (Count) * sizeof (*(From)))
+# define YYCOPY(Dst, Src, Count) \
+ __builtin_memcpy (Dst, Src, (Count) * sizeof (*(Src)))
# else
-# define YYCOPY(To, From, Count) \
- do \
- { \
- YYSIZE_T yyi; \
- for (yyi = 0; yyi < (Count); yyi++) \
- (To)[yyi] = (From)[yyi]; \
- } \
+# define YYCOPY(Dst, Src, Count) \
+ do \
+ { \
+ YYSIZE_T yyi; \
+ for (yyi = 0; yyi < (Count); yyi++) \
+ (Dst)[yyi] = (Src)[yyi]; \
+ } \
while (YYID (0))
# endif
# endif
#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[TOKEN-NUM] -- Symbol number corresponding to TOKEN-NUM
]b4_parser_tables_define[
-#define yyerrok (yyerrstatus = 0)
-#define yyclearin (yychar = YYEMPTY)
-#define YYEMPTY (-2)
-#define YYEOF 0
+#define yyerrok (yyerrstatus = 0)
+#define yyclearin (yychar = YYEMPTY)
+#define YYEMPTY (-2)
+#define YYEOF 0
-#define YYACCEPT goto yyacceptlab
-#define YYABORT goto yyabortlab
-#define YYERROR goto yyerrorlab
+#define YYACCEPT goto yyacceptlab
+#define YYABORT goto yyabortlab
+#define YYERROR goto yyerrorlab
/* Like YYERROR except do call yyerror. This remains here temporarily
in Bison 2.4.2's NEWS entry, where a plan to phase it out is
discussed. */
-#define YYFAIL goto yyerrlab
+#define YYFAIL goto yyerrlab
#if defined YYFAIL
/* This is here to suppress warnings from the GCC cpp's
-Wunused-macros. Normally we don't worry about that warning, but
#define YYRECOVERING() (!!yyerrstatus)
-#define YYBACKUP(Token, Value) \
-do \
- if (yychar == YYEMPTY && yylen == 1) \
- { \
- yychar = (Token); \
- yylval = (Value); \
- YYPOPSTACK (1); \]b4_lac_if([[
- YY_LAC_DISCARD ("YYBACKUP"); \]])[
- goto yybackup; \
- } \
- else \
- { \
+#define YYBACKUP(Token, Value) \
+do \
+ if (yychar == YYEMPTY) \
+ { \
+ yychar = (Token); \
+ yylval = (Value); \
+ YYPOPSTACK (yylen); \
+ yystate = *yyssp; \]b4_lac_if([[
+ YY_LAC_DISCARD ("YYBACKUP"); \]])[
+ goto yybackup; \
+ } \
+ else \
+ { \
yyerror (]b4_yyerror_args[YY_("syntax error: cannot back up")); \
- YYERROR; \
- } \
+ YYERROR; \
+ } \
while (YYID (0))
-#define YYTERROR 1
-#define YYERRCODE 256
+#define YYTERROR 1
+#define YYERRCODE 256
/* YYLLOC_DEFAULT -- Set CURRENT to span from RHS[1] to RHS[N].
#define YYRHSLOC(Rhs, K) ((Rhs)[K])
#ifndef YYLLOC_DEFAULT
-# define YYLLOC_DEFAULT(Current, Rhs, N) \
- do \
+# define YYLLOC_DEFAULT(Current, Rhs, N) \
+ do \
if (YYID (N)) \
- { \
- (Current).first_line = YYRHSLOC (Rhs, 1).first_line; \
- (Current).first_column = YYRHSLOC (Rhs, 1).first_column; \
- (Current).last_line = YYRHSLOC (Rhs, N).last_line; \
- (Current).last_column = YYRHSLOC (Rhs, N).last_column; \
- } \
- else \
- { \
- (Current).first_line = (Current).last_line = \
- YYRHSLOC (Rhs, 0).last_line; \
- (Current).first_column = (Current).last_column = \
- YYRHSLOC (Rhs, 0).last_column; \
- } \
+ { \
+ (Current).first_line = YYRHSLOC (Rhs, 1).first_line; \
+ (Current).first_column = YYRHSLOC (Rhs, 1).first_column; \
+ (Current).last_line = YYRHSLOC (Rhs, N).last_line; \
+ (Current).last_column = YYRHSLOC (Rhs, N).last_column; \
+ } \
+ else \
+ { \
+ (Current).first_line = (Current).last_line = \
+ YYRHSLOC (Rhs, 0).last_line; \
+ (Current).first_column = (Current).last_column = \
+ YYRHSLOC (Rhs, 0).last_column; \
+ } \
while (YYID (0))
#endif]b4_locations_if([[
#ifndef YY_LOCATION_PRINT
# if defined YYLTYPE_IS_TRIVIAL && YYLTYPE_IS_TRIVIAL
-# define YY_LOCATION_PRINT(File, Loc) \
- fprintf (File, "%d.%d-%d.%d", \
- (Loc).first_line, (Loc).first_column, \
- (Loc).last_line, (Loc).last_column)
+# define YY_LOCATION_PRINT(File, Loc) \
+ fprintf (File, "%d.%d-%d.%d", \
+ (Loc).first_line, (Loc).first_column, \
+ (Loc).last_line, (Loc).last_column)
# else
# define YY_LOCATION_PRINT(File, Loc) ((void) 0)
# endif
# define YYFPRINTF fprintf
# endif
-# define YYDPRINTF(Args) \
-do { \
- if (yydebug) \
- YYFPRINTF Args; \
+# define YYDPRINTF(Args) \
+do { \
+ if (yydebug) \
+ YYFPRINTF Args; \
} while (YYID (0))
-# define YY_SYMBOL_PRINT(Title, Type, Value, Location) \
-do { \
- if (yydebug) \
- { \
- YYFPRINTF (stderr, "%s ", Title); \
- yy_symbol_print (stderr, \
- Type, Value]b4_locations_if([, Location])[]b4_user_args[); \
- YYFPRINTF (stderr, "\n"); \
- } \
+# define YY_SYMBOL_PRINT(Title, Type, Value, Location) \
+do { \
+ if (yydebug) \
+ { \
+ YYFPRINTF (stderr, "%s ", Title); \
+ yy_symbol_print (stderr, \
+ Type, Value]b4_locations_if([, Location])[]b4_user_args[); \
+ YYFPRINTF (stderr, "\n"); \
+ } \
} while (YYID (0))
]b4_yy_symbol_print_generate([b4_c_function_def])[
`------------------------------------------------------------------*/
]b4_c_function_def([yy_stack_print], [static void],
- [[yytype_int16 *yybottom], [yybottom]],
- [[yytype_int16 *yytop], [yytop]])[
+ [[yytype_int16 *yybottom], [yybottom]],
+ [[yytype_int16 *yytop], [yytop]])[
{
YYFPRINTF (stderr, "Stack now");
for (; yybottom <= yytop; yybottom++)
YYFPRINTF (stderr, "\n");
}
-# define YY_STACK_PRINT(Bottom, Top) \
-do { \
- if (yydebug) \
- yy_stack_print ((Bottom), (Top)); \
+# define YY_STACK_PRINT(Bottom, Top) \
+do { \
+ if (yydebug) \
+ yy_stack_print ((Bottom), (Top)); \
} while (YYID (0))
}
}
-# define YY_REDUCE_PRINT(Rule) \
-do { \
- if (yydebug) \
+# define YY_REDUCE_PRINT(Rule) \
+do { \
+ if (yydebug) \
yy_reduce_print (yyssp, yyvsp, ]b4_locations_if([yylsp, ])[Rule]b4_user_args[); \
} while (YYID (0))
/* YYINITDEPTH -- initial size of the parser's stacks. */
-#ifndef YYINITDEPTH
+#ifndef YYINITDEPTH
# define YYINITDEPTH ]b4_stack_depth_init[
#endif
char const *yyp = yystr;
for (;;)
- switch (*++yyp)
- {
- case '\'':
- case ',':
- goto do_not_strip_quotes;
-
- case '\\':
- if (*++yyp != '\\')
- goto do_not_strip_quotes;
- /* Fall through. */
- default:
- if (yyres)
- yyres[yyn] = *yyp;
- yyn++;
- break;
-
- case '"':
- if (yyres)
- yyres[yyn] = '\0';
- return yyn;
- }
+ switch (*++yyp)
+ {
+ case '\'':
+ case ',':
+ goto do_not_strip_quotes;
+
+ case '\\':
+ if (*++yyp != '\\')
+ goto do_not_strip_quotes;
+ /* Fall through. */
+ default:
+ if (yyres)
+ yyres[yyn] = *yyp;
+ yyn++;
+ break;
+
+ case '"':
+ if (yyres)
+ yyres[yyn] = '\0';
+ return yyn;
+ }
do_not_strip_quotes: ;
}
]b4_lac_if([[yytype_int16 *yyesa, yytype_int16 **yyes,
YYSIZE_T *yyes_capacity, ]])[yytype_int16 *yyssp, int yytoken)
{
- YYSIZE_T yysize0 = yytnamerr (0, yytname[yytoken]);
+ YYSIZE_T yysize0 = yytnamerr (YY_NULL, yytname[yytoken]);
YYSIZE_T yysize = yysize0;
YYSIZE_T yysize1;
enum { YYERROR_VERBOSE_ARGS_MAXIMUM = 5 };
/* Internationalized format string. */
- const char *yyformat = 0;
+ const char *yyformat = YY_NULL;
/* Arguments of yyformat. */
char const *yyarg[YYERROR_VERBOSE_ARGS_MAXIMUM];
/* Number of reported tokens (one for the "unexpected", one per
break;
}
yyarg[yycount++] = yytname[yyx];
- yysize1 = yysize + yytnamerr (0, yytname[yyx]);
+ yysize1 = yysize + yytnamerr (YY_NULL, yytname[yyx]);
if (! (yysize <= yysize1
&& yysize1 <= YYSTACK_ALLOC_MAXIMUM))
return 2;
b4_c_function_def([[yyparse]], [[int]], b4_parse_param)[
{
- return yypull_parse (0]m4_ifset([b4_parse_param],
+ return yypull_parse (YY_NULL]m4_ifset([b4_parse_param],
[[, ]b4_c_args(b4_parse_param)])[);
}
int yychar;
YYSTYPE yylval;]b4_locations_if([[
YYLTYPE yylloc;]])])[
- if (yyps == 0)
+ if (yyps)
+ yyps_local = yyps;
+ else
{
yyps_local = yypstate_new ();
if (!yyps_local)
return 2;
}
}
- else
- yyps_local = yyps;
do {
yychar = YYLEX;
yystatus =
yypush_parse (yyps_local]b4_pure_if([[, yychar, &yylval]b4_locations_if([[, &yylloc]])])m4_ifset([b4_parse_param], [, b4_c_args(b4_parse_param)])[);
} while (yystatus == YYPUSH_MORE);
- if (yyps == 0)
+ if (!yyps)
yypstate_delete (yyps_local);
return yystatus;
}]])[
{
yypstate *yyps;]b4_pure_if([], [[
if (yypstate_allocated)
- return 0;]])[
+ return YY_NULL;]])[
yyps = (yypstate *) malloc (sizeof *yyps);
if (!yyps)
- return 0;
+ return YY_NULL;
yyps->yynew = 1;]b4_pure_if([], [[
yypstate_allocated = 1;]])[
return yyps;
#ifdef yyoverflow
{
- /* Give user a chance to reallocate the stack. Use copies of
- these so that the &'s don't force the real ones into
- memory. */
- YYSTYPE *yyvs1 = yyvs;
- yytype_int16 *yyss1 = yyss;]b4_locations_if([
- YYLTYPE *yyls1 = yyls;])[
-
- /* Each stack pointer address is followed by the size of the
- data in use in that stack, in bytes. This used to be a
- conditional around just the two extra args, but that might
- be undefined if yyoverflow is a macro. */
- yyoverflow (YY_("memory exhausted"),
- &yyss1, yysize * sizeof (*yyssp),
- &yyvs1, yysize * sizeof (*yyvsp),]b4_locations_if([
- &yyls1, yysize * sizeof (*yylsp),])[
- &yystacksize);
+ /* Give user a chance to reallocate the stack. Use copies of
+ these so that the &'s don't force the real ones into
+ memory. */
+ YYSTYPE *yyvs1 = yyvs;
+ yytype_int16 *yyss1 = yyss;]b4_locations_if([
+ YYLTYPE *yyls1 = yyls;])[
+
+ /* Each stack pointer address is followed by the size of the
+ data in use in that stack, in bytes. This used to be a
+ conditional around just the two extra args, but that might
+ be undefined if yyoverflow is a macro. */
+ yyoverflow (YY_("memory exhausted"),
+ &yyss1, yysize * sizeof (*yyssp),
+ &yyvs1, yysize * sizeof (*yyvsp),]b4_locations_if([
+ &yyls1, yysize * sizeof (*yylsp),])[
+ &yystacksize);
]b4_locations_if([
- yyls = yyls1;])[
- yyss = yyss1;
- yyvs = yyvs1;
+ yyls = yyls1;])[
+ yyss = yyss1;
+ yyvs = yyvs1;
}
#else /* no yyoverflow */
# ifndef YYSTACK_RELOCATE
# else
/* Extend the stack our own way. */
if (YYMAXDEPTH <= yystacksize)
- goto yyexhaustedlab;
+ goto yyexhaustedlab;
yystacksize *= 2;
if (YYMAXDEPTH < yystacksize)
- yystacksize = YYMAXDEPTH;
+ yystacksize = YYMAXDEPTH;
{
- yytype_int16 *yyss1 = yyss;
- union yyalloc *yyptr =
- (union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize));
- if (! yyptr)
- goto yyexhaustedlab;
- YYSTACK_RELOCATE (yyss_alloc, yyss);
- YYSTACK_RELOCATE (yyvs_alloc, yyvs);]b4_locations_if([
- YYSTACK_RELOCATE (yyls_alloc, yyls);])[
+ yytype_int16 *yyss1 = yyss;
+ union yyalloc *yyptr =
+ (union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize));
+ if (! yyptr)
+ goto yyexhaustedlab;
+ YYSTACK_RELOCATE (yyss_alloc, yyss);
+ YYSTACK_RELOCATE (yyvs_alloc, yyvs);]b4_locations_if([
+ YYSTACK_RELOCATE (yyls_alloc, yyls);])[
# undef YYSTACK_RELOCATE
- if (yyss1 != yyssa)
- YYSTACK_FREE (yyss1);
+ if (yyss1 != yyssa)
+ YYSTACK_FREE (yyss1);
}
# endif
#endif /* no yyoverflow */
yylsp = yyls + yysize - 1;])[
YYDPRINTF ((stderr, "Stack size increased to %lu\n",
- (unsigned long int) yystacksize));
+ (unsigned long int) yystacksize));
if (yyss + yystacksize - 1 <= yyssp)
- YYABORT;
+ YYABORT;
}
YYDPRINTF ((stderr, "Entering state %d\n", yystate));
if (yyerrstatus == 3)
{
/* If just tried and failed to reuse lookahead token after an
- error, discard it. */
+ error, discard it. */
if (yychar <= YYEOF)
- {
- /* Return failure if at end of input. */
- if (yychar == YYEOF)
- YYABORT;
- }
+ {
+ /* Return failure if at end of input. */
+ if (yychar == YYEOF)
+ YYABORT;
+ }
else
- {
- yydestruct ("Error: discarding",
- yytoken, &yylval]b4_locations_if([, &yylloc])[]b4_user_args[);
- yychar = YYEMPTY;
- }
+ {
+ yydestruct ("Error: discarding",
+ yytoken, &yylval]b4_locations_if([, &yylloc])[]b4_user_args[);
+ yychar = YYEMPTY;
+ }
}
/* Else will try to reuse lookahead token after shifting the error
| yyerrlab1 -- common code for both syntax error and YYERROR. |
`-------------------------------------------------------------*/
yyerrlab1:
- yyerrstatus = 3; /* Each real token shifted decrements this. */
+ yyerrstatus = 3; /* Each real token shifted decrements this. */
for (;;)
{
yyn = yypact[yystate];
if (!yypact_value_is_default (yyn))
- {
- yyn += YYTERROR;
- if (0 <= yyn && yyn <= YYLAST && yycheck[yyn] == YYTERROR)
- {
- yyn = yytable[yyn];
- if (0 < yyn)
- break;
- }
- }
+ {
+ yyn += YYTERROR;
+ if (0 <= yyn && yyn <= YYLAST && yycheck[yyn] == YYTERROR)
+ {
+ yyn = yytable[yyn];
+ if (0 < yyn)
+ break;
+ }
+ }
/* Pop the current state because it cannot handle the error token. */
if (yyssp == yyss)
- YYABORT;
+ YYABORT;
]b4_locations_if([[ yyerror_range[1] = *yylsp;]])[
yydestruct ("Error: popping",
- yystos[yystate], yyvsp]b4_locations_if([, yylsp])[]b4_user_args[);
+ yystos[yystate], yyvsp]b4_locations_if([, yylsp])[]b4_user_args[);
YYPOPSTACK (1);
yystate = *yyssp;
YY_STACK_PRINT (yyss, yyssp);
yyresult = 1;
goto yyreturn;
-#if ]b4_lac_if([[1]], [[!defined(yyoverflow) || YYERROR_VERBOSE]])[
+#if ]b4_lac_if([[1]], [[!defined yyoverflow || YYERROR_VERBOSE]])[
/*-------------------------------------------------.
| yyexhaustedlab -- memory exhaustion comes here. |
`-------------------------------------------------*/
while (yyssp != yyss)
{
yydestruct ("Cleanup: popping",
- yystos[*yyssp], yyvsp]b4_locations_if([, yylsp])[]b4_user_args[);
+ yystos[*yyssp], yyvsp]b4_locations_if([, yylsp])[]b4_user_args[);
YYPOPSTACK (1);
}
#ifndef yyoverflow
projects / bison.git / blobdiff