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authorobrien <obrien@FreeBSD.org>1999-08-14 21:53:50 +0000
committerobrien <obrien@FreeBSD.org>1999-08-14 21:53:50 +0000
commit285f10de5ef0bff565b4ed90a6c989e7d1972296 (patch)
treeabeab7d71156cca939a27b0f09ab4e64d77cd666 /contrib/bison
parent057567bdc8136370212dc1ca3c50e1850ab72635 (diff)
downloadFreeBSD-src-285f10de5ef0bff565b4ed90a6c989e7d1972296.zip
FreeBSD-src-285f10de5ef0bff565b4ed90a6c989e7d1972296.tar.gz
Use stock v1.28 bison.simple.
Bison 1.28 has our bison.simple rev 1.2 change, but due to code movement, ``cvs'' didn't realize this.
Diffstat (limited to 'contrib/bison')
-rw-r--r--contrib/bison/bison.simple151
1 files changed, 108 insertions, 43 deletions
diff --git a/contrib/bison/bison.simple b/contrib/bison/bison.simple
index 4de8f28..e2a88a9 100644
--- a/contrib/bison/bison.simple
+++ b/contrib/bison/bison.simple
@@ -1,5 +1,6 @@
/* -*-C-*- Note some compilers choke on comments on `#line' lines. */
#line 3 "bison.simple"
+/* This file comes from bison-@bison_version@. */
/* Skeleton output parser for bison,
Copyright (C) 1984, 1989, 1990 Free Software Foundation, Inc.
@@ -16,46 +17,66 @@
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
+ Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, 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. */
-#ifndef alloca
+/* 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 YYSTACK_USE_ALLOCA
+#ifdef alloca
+#define YYSTACK_USE_ALLOCA
+#else /* alloca not defined */
#ifdef __GNUC__
+#define YYSTACK_USE_ALLOCA
#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))
+#define YYSTACK_USE_ALLOCA
#include <alloca.h>
#else /* not sparc */
-#if defined (MSDOS) && !defined (__TURBOC__)
+/* We think this test detects Watcom and Microsoft C. */
+/* This used to test MSDOS, but that is a bad idea
+ since that symbol is in the user namespace. */
+#if (defined (_MSDOS) || defined (_MSDOS_)) && !defined (__TURBOC__)
+#if 0 /* No need for malloc.h, which pollutes the namespace;
+ instead, just don't use alloca. */
#include <malloc.h>
+#endif
#else /* not MSDOS, or __TURBOC__ */
#if defined(_AIX)
-#include <malloc.h>
+/* I don't know what this was needed for, but it pollutes the namespace.
+ So I turned it off. rms, 2 May 1997. */
+/* #include <malloc.h> */
#pragma alloca
-#else /* not MSDOS, __TURBOC__, or _AIX */
-#ifdef __hpux
-#ifdef __cplusplus
-extern "C" {
-void *alloca (unsigned int);
-};
-#else /* not __cplusplus */
-void *alloca ();
-#endif /* not __cplusplus */
+#define YYSTACK_USE_ALLOCA
+#else /* not MSDOS, or __TURBOC__, or _AIX */
+#if 0
+#ifdef __hpux /* haible@ilog.fr says this works for HPUX 9.05 and up,
+ and on HPUX 10. Eventually we can turn this on. */
+#define YYSTACK_USE_ALLOCA
+#define alloca __builtin_alloca
#endif /* __hpux */
+#endif
#endif /* not _AIX */
#endif /* not MSDOS, or __TURBOC__ */
-#endif /* not sparc. */
-#endif /* not GNU C. */
-#endif /* alloca not defined. */
+#endif /* not sparc */
+#endif /* not GNU C */
+#endif /* alloca not defined */
+#endif /* YYSTACK_USE_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. */
+#ifdef YYSTACK_USE_ALLOCA
+#define YYSTACK_ALLOC alloca
+#else
+#define YYSTACK_ALLOC malloc
+#endif
/* Note: there must be only one dollar sign in this file.
It is replaced by the list of actions, each action
@@ -65,8 +86,8 @@ void *alloca ();
#define yyclearin (yychar = YYEMPTY)
#define YYEMPTY -2
#define YYEOF 0
-#define YYACCEPT return(0)
-#define YYABORT return(1)
+#define YYACCEPT goto yyacceptlab
+#define YYABORT goto yyabortlab
#define YYERROR goto yyerrlab1
/* Like YYERROR except do call yyerror.
This remains here temporarily to ease the
@@ -147,16 +168,12 @@ int yydebug; /* nonzero means print parse trace */
#ifndef YYMAXDEPTH
#define YYMAXDEPTH 10000
#endif
-
-/* Prevent warning if -Wstrict-prototypes. */
-#ifdef __GNUC__
-#ifdef YYPARSE_PARAM
-int yyparse (void *);
-#else
-int yyparse (void);
-#endif
-#endif
+/* Define __yy_memcpy. Note that the size argument
+ should be passed with type unsigned int, because that is what the non-GCC
+ definitions require. With GCC, __builtin_memcpy takes an arg
+ of type size_t, but it can handle unsigned int. */
+
#if __GNUC__ > 1 /* GNU C and GNU C++ define this. */
#define __yy_memcpy(TO,FROM,COUNT) __builtin_memcpy(TO,FROM,COUNT)
#else /* not GNU C or C++ */
@@ -168,7 +185,7 @@ static void
__yy_memcpy (to, from, count)
char *to;
char *from;
- int count;
+ unsigned int count;
{
register char *f = from;
register char *t = to;
@@ -183,10 +200,10 @@ __yy_memcpy (to, from, count)
/* This is the most reliable way to avoid incompatibilities
in available built-in functions on various systems. */
static void
-__yy_memcpy (char *to, char *from, int count)
+__yy_memcpy (char *to, char *from, unsigned int count)
{
- register char *f = from;
register char *t = to;
+ register char *f = from;
register int i = count;
while (i-- > 0)
@@ -196,7 +213,7 @@ __yy_memcpy (char *to, char *from, int count)
#endif
#endif
-#line 196 "bison.simple"
+#line 217 "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 *.
@@ -217,6 +234,15 @@ __yy_memcpy (char *to, char *from, int count)
#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_PARAM_ARG)
YYPARSE_PARAM_DECL
@@ -245,6 +271,7 @@ yyparse(YYPARSE_PARAM_ARG)
#endif
int yystacksize = YYINITDEPTH;
+ int yyfree_stacks = 0;
#ifdef YYPURE
int yychar;
@@ -329,18 +356,32 @@ yynewstate:
if (yystacksize >= YYMAXDEPTH)
{
yyerror("parser stack overflow");
+ if (yyfree_stacks)
+ {
+ free (yyss);
+ free (yyvs);
+#ifdef YYLSP_NEEDED
+ free (yyls);
+#endif
+ }
return 2;
}
yystacksize *= 2;
if (yystacksize > YYMAXDEPTH)
yystacksize = YYMAXDEPTH;
- yyss = (short *) alloca (yystacksize * sizeof (*yyssp));
- __yy_memcpy ((char *)yyss, (char *)yyss1, size * sizeof (*yyssp));
- yyvs = (YYSTYPE *) alloca (yystacksize * sizeof (*yyvsp));
- __yy_memcpy ((char *)yyvs, (char *)yyvs1, size * sizeof (*yyvsp));
+#ifndef YYSTACK_USE_ALLOCA
+ yyfree_stacks = 1;
+#endif
+ yyss = (short *) YYSTACK_ALLOC (yystacksize * sizeof (*yyssp));
+ __yy_memcpy ((char *)yyss, (char *)yyss1,
+ size * (unsigned int) sizeof (*yyssp));
+ yyvs = (YYSTYPE *) YYSTACK_ALLOC (yystacksize * sizeof (*yyvsp));
+ __yy_memcpy ((char *)yyvs, (char *)yyvs1,
+ size * (unsigned int) sizeof (*yyvsp));
#ifdef YYLSP_NEEDED
- yyls = (YYLTYPE *) alloca (yystacksize * sizeof (*yylsp));
- __yy_memcpy ((char *)yyls, (char *)yyls1, size * sizeof (*yylsp));
+ yyls = (YYLTYPE *) YYSTACK_ALLOC (yystacksize * sizeof (*yylsp));
+ __yy_memcpy ((char *)yyls, (char *)yyls1,
+ size * (unsigned int) sizeof (*yylsp));
#endif
#endif /* no yyoverflow */
@@ -498,7 +539,7 @@ yyreduce:
#endif
$ /* the action file gets copied in in place of this dollarsign */
-#line 498 "bison.simple"
+#line 543 "bison.simple"
yyvsp -= yylen;
yyssp -= yylen;
@@ -693,4 +734,28 @@ yyerrhandle:
yystate = yyn;
goto yynewstate;
+
+ yyacceptlab:
+ /* YYACCEPT comes here. */
+ if (yyfree_stacks)
+ {
+ free (yyss);
+ free (yyvs);
+#ifdef YYLSP_NEEDED
+ free (yyls);
+#endif
+ }
+ return 0;
+
+ yyabortlab:
+ /* YYABORT comes here. */
+ if (yyfree_stacks)
+ {
+ free (yyss);
+ free (yyvs);
+#ifdef YYLSP_NEEDED
+ free (yyls);
+#endif
+ }
+ return 1;
}
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