#line 3 "bison.simple"
/* Skeleton output parser for bison,
- Copyright (C) 1984, 1989, 1990 Bob Corbett and Richard Stallman
+ Copyright (C) 1984, 1989, 1990 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
- the Free Software Foundation; either version 1, or (at your option)
+ the Free Software Foundation; either version 2, or (at your option)
any later version.
This program is distributed in the hope that it will be useful,
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
+/* As a special exception, when this file is copied by Bison into a
+ Bison output file, you may use that output file without restriction.
+ This special exception was added by the Free Software Foundation
+ in version 1.24 of Bison. */
+
+/* This is the parser code that is written into each bison parser
+ when the %semantic_parser declaration is not specified in the grammar.
+ It was written by Richard Stallman by simplifying the hairy parser
+ used when %semantic_parser is specified. */
#ifndef alloca
#ifdef __GNUC__
#define alloca __builtin_alloca
#else /* not GNU C. */
-#if (!defined (__STDC__) && defined (sparc)) || defined (__sparc__) || defined (__sparc) || defined (__sgi)
+#if (!defined (__STDC__) && defined (sparc)) || defined (__sparc__) || defined (__sparc) || defined (__sgi) || (defined (__sun) && defined (__i386))
#include <alloca.h>
#else /* not sparc */
-#if defined (MSDOS) && !defined (__TURBOC__)
+/* This used to test MSDOS, but that is a bad idea
+ since that is in the user namespace. */
+#if (defined (_MSDOS) || defined (_MSDOS_)) && !defined (__TURBOC__)
#include <malloc.h>
#else /* not MSDOS, or __TURBOC__ */
#if defined(_AIX)
#include <malloc.h>
#pragma alloca
-#else /* not MSDOS, __TURBOC__, or _AIX */
+#else /* not MSDOS, or __TURBOC__, or _AIX */
#ifdef __hpux
#ifdef __cplusplus
extern "C" {
#endif /* not GNU C. */
#endif /* alloca not defined. */
-/* This is the parser code that is written into each bison parser
- when the %semantic_parser declaration is not specified in the grammar.
- It was written by Richard Stallman by simplifying the hairy parser
- used when %semantic_parser is specified. */
-
/* Note: there must be only one dollar sign in this file.
It is replaced by the list of actions, each action
as one case of the switch. */
#ifdef YYPURE
#ifdef YYLSP_NEEDED
+#ifdef YYLEX_PARAM
+#define YYLEX yylex(&yylval, &yylloc, YYLEX_PARAM)
+#else
#define YYLEX yylex(&yylval, &yylloc)
+#endif
+#else /* not YYLSP_NEEDED */
+#ifdef YYLEX_PARAM
+#define YYLEX yylex(&yylval, YYLEX_PARAM)
#else
#define YYLEX yylex(&yylval)
#endif
+#endif /* not YYLSP_NEEDED */
#endif
/* If nonreentrant, generate the variables here */
#ifndef YYMAXDEPTH
#define YYMAXDEPTH 10000
#endif
-
-/* Prevent warning if -Wstrict-prototypes. */
-#ifdef __GNUC__
-int yyparse (void);
-#endif
\f
#if __GNUC__ > 1 /* GNU C and GNU C++ define this. */
-#define __yy_bcopy(FROM,TO,COUNT) __builtin_memcpy(TO,FROM,COUNT)
+#define __yy_memcpy(TO,FROM,COUNT) __builtin_memcpy(TO,FROM,COUNT)
#else /* not GNU C or C++ */
#ifndef __cplusplus
/* This is the most reliable way to avoid incompatibilities
in available built-in functions on various systems. */
static void
-__yy_bcopy (from, to, count)
- char *from;
+__yy_memcpy (to, from, count)
char *to;
+ char *from;
int count;
{
register char *f = from;
/* This is the most reliable way to avoid incompatibilities
in available built-in functions on various systems. */
static void
-__yy_bcopy (char *from, char *to, int count)
+__yy_memcpy (char *to, char *from, int count)
{
- register char *f = from;
register char *t = to;
+ register char *f = from;
register int i = count;
while (i-- > 0)
#endif
#endif
\f
-#line 184 "bison.simple"
+#line 196 "bison.simple"
+
+/* The user can define YYPARSE_PARAM as the name of an argument to be passed
+ into yyparse. The argument should have type void *.
+ It should actually point to an object.
+ Grammar actions can access the variable by casting it
+ to the proper pointer type. */
+
+#ifdef YYPARSE_PARAM
+#ifdef __cplusplus
+#define YYPARSE_PARAM_ARG void *YYPARSE_PARAM
+#define YYPARSE_PARAM_DECL
+#else /* not __cplusplus */
+#define YYPARSE_PARAM_ARG YYPARSE_PARAM
+#define YYPARSE_PARAM_DECL void *YYPARSE_PARAM;
+#endif /* not __cplusplus */
+#else /* not YYPARSE_PARAM */
+#define YYPARSE_PARAM_ARG
+#define YYPARSE_PARAM_DECL
+#endif /* not YYPARSE_PARAM */
+
+/* Prevent warning if -Wstrict-prototypes. */
+#ifdef __GNUC__
+#ifdef YYPARSE_PARAM
+int yyparse (void *);
+#else
+int yyparse (void);
+#endif
+#endif
+
int
-yyparse()
+yyparse(YYPARSE_PARAM_ARG)
+ YYPARSE_PARAM_DECL
{
register int yystate;
register int yyn;
register short *yyssp;
register YYSTYPE *yyvsp;
int yyerrstatus; /* number of tokens to shift before error messages enabled */
- int yychar1; /* lookahead token as an internal (translated) token number */
+ int yychar1 = 0; /* lookahead token as an internal (translated) token number */
short yyssa[YYINITDEPTH]; /* the state stack */
YYSTYPE yyvsa[YYINITDEPTH]; /* the semantic value stack */
if (yystacksize > YYMAXDEPTH)
yystacksize = YYMAXDEPTH;
yyss = (short *) alloca (yystacksize * sizeof (*yyssp));
- __yy_bcopy ((char *)yyss1, (char *)yyss, size * sizeof (*yyssp));
+ __yy_memcpy ((char *)yyss, (char *)yyss1, size * sizeof (*yyssp));
yyvs = (YYSTYPE *) alloca (yystacksize * sizeof (*yyvsp));
- __yy_bcopy ((char *)yyvs1, (char *)yyvs, size * sizeof (*yyvsp));
+ __yy_memcpy ((char *)yyvs, (char *)yyvs1, size * sizeof (*yyvsp));
#ifdef YYLSP_NEEDED
yyls = (YYLTYPE *) alloca (yystacksize * sizeof (*yylsp));
- __yy_bcopy ((char *)yyls1, (char *)yyls, size * sizeof (*yylsp));
+ __yy_memcpy ((char *)yyls, (char *)yyls1, size * sizeof (*yylsp));
#endif
#endif /* no yyoverflow */
/* Do a reduction. yyn is the number of a rule to reduce with. */
yyreduce:
yylen = yyr2[yyn];
- yyval = yyvsp[1-yylen]; /* implement default value of the action */
+ if (yylen > 0)
+ yyval = yyvsp[1-yylen]; /* implement default value of the action */
#if YYDEBUG != 0
if (yydebug)
#endif
$ /* the action file gets copied in in place of this dollarsign */
-#line 464 "bison.simple"
+#line 498 "bison.simple"
\f
yyvsp -= yylen;
yyssp -= yylen;
projects / bison.git / blobdiff