# Yacc compatible skeleton for Bison
-# Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005,
-# 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
+# Copyright (C) 1984, 1989-1990, 2000-2012 Free Software Foundation,
+# Inc.
# 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
[push], [m4_define([b4_pull_flag], [[0]])])
# Handle BISON_USE_PUSH_FOR_PULL for the test suite. So that push parsing
-# tests function as written, don't let BISON_USE_PUSH_FOR_PULL modify Bison's
-# behavior at all when push parsing is already requested.
+# tests function as written, do not let BISON_USE_PUSH_FOR_PULL modify the
+# behavior of Bison at all when push parsing is already requested.
b4_define_flag_if([use_push_for_pull])
b4_use_push_for_pull_if([
b4_push_if([m4_define([b4_use_push_for_pull_flag], [[0]])],
m4_changecom()
m4_divert_push(0)dnl
@output(b4_parser_file_name@)@
-b4_copyright([Skeleton implementation for Bison's Yacc-like parsers in C],
- [1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010])[
+b4_copyright([Bison implementation for Yacc-like parsers in C],
+ [1984, 1989-1990, 2000-2012])[
/* 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_debug_flag[
# 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 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 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; \
} \
}
*++yyesp = yystate;
}
- YYDPRINTF ((stderr, " G%d", *yyesp));
+ YYDPRINTF ((stderr, " G%d", yystate));
}
}
}]])[
]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;
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. |
`-------------------------------------------------*/
]b4_epilogue
b4_defines_if(
[@output(b4_spec_defines_file@)@
-b4_copyright([Skeleton interface for Bison's Yacc-like parsers in C],
- [1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010])
+b4_copyright([Bison interface for Yacc-like parsers in C],
+ [1984, 1989-1990, 2000-2012])
b4_percent_code_get([[requires]])[]dnl
projects / bison.git / blobdiff