generated with bison 1.28 which removes the alloca() mess!

1 files changed, 188 insertions, 91 deletions

diff --git a/lib/getdate.c b/lib/getdate.c
index 75efdcfb6..a44e643b2 100644
--- a/lib/getdate.c
+++ b/lib/getdate.c
@@ -1,25 +1,25 @@
 
-/*  A Bison parser, made from getdate.y with Bison version GNU Bison version 1.21
-  */
+/*  A Bison parser, made from getdate.y
+    by GNU Bison version 1.28  */
 
 #define YYBISON 1  /* Identify Bison output.  */
 
-#define	tAGO	258
-#define	tDAY	259
-#define	tDAY_UNIT	260
-#define	tDAYZONE	261
-#define	tDST	262
-#define	tHOUR_UNIT	263
-#define	tID	264
-#define	tMERIDIAN	265
-#define	tMINUTE_UNIT	266
-#define	tMONTH	267
-#define	tMONTH_UNIT	268
-#define	tSEC_UNIT	269
-#define	tSNUMBER	270
-#define	tUNUMBER	271
-#define	tYEAR_UNIT	272
-#define	tZONE	273
+#define	tAGO	257
+#define	tDAY	258
+#define	tDAY_UNIT	259
+#define	tDAYZONE	260
+#define	tDST	261
+#define	tHOUR_UNIT	262
+#define	tID	263
+#define	tMERIDIAN	264
+#define	tMINUTE_UNIT	265
+#define	tMONTH	266
+#define	tMONTH_UNIT	267
+#define	tSEC_UNIT	268
+#define	tSNUMBER	269
+#define	tUNUMBER	270
+#define	tYEAR_UNIT	271
+#define	tZONE	272
 
 #line 1 "getdate.y"
 
@@ -217,23 +217,6 @@ typedef union {
     int			Number;
     enum _MERIDIAN	Meridian;
 } YYSTYPE;
-
-#ifndef YYLTYPE
-typedef
-  struct yyltype
-    {
-      int timestamp;
-      int first_line;
-      int first_column;
-      int last_line;
-      int last_column;
-      char *text;
-   }
-  yyltype;
-
-#define YYLTYPE yyltype
-#endif
-
 #include <stdio.h>
 
 #ifndef __cplusplus
@@ -248,7 +231,7 @@ typedef
 #define	YYFLAG		-32768
 #define	YYNTBASE	22
 
-#define YYTRANSLATE(x) ((unsigned)(x) <= 273 ? yytranslate[x] : 32)
+#define YYTRANSLATE(x) ((unsigned)(x) <= 272 ? yytranslate[x] : 32)
 
 static const char yytranslate[] = {     0,
      2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
@@ -276,9 +259,9 @@ static const char yytranslate[] = {     0,
      2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
      2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
      2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
-     2,     2,     2,     2,     2,     1,     2,     3,     4,     5,
-     6,     7,     8,     9,    10,    11,    12,    13,    14,    15,
-    16,    17,    18
+     2,     2,     2,     2,     2,     1,     3,     4,     5,     6,
+     7,     8,     9,    10,    11,    12,    13,    14,    15,    16,
+    17,    18
 };
 
 #if YYDEBUG != 0
@@ -318,12 +301,16 @@ static const short yyrline[] = { 0,
    366,   369,   372,   375,   378,   381,   384,   387,   390,   393,
    396,   399,   402,   405,   408,   411,   414,   419,   452,   456
 };
+#endif
+
+
+#if YYDEBUG != 0 || defined (YYERROR_VERBOSE)
 
-static const char * const yytname[] = {   "$","error","$illegal.","tAGO","tDAY",
+static const char * const yytname[] = {   "$","error","$undefined.","tAGO","tDAY",
 "tDAY_UNIT","tDAYZONE","tDST","tHOUR_UNIT","tID","tMERIDIAN","tMINUTE_UNIT",
 "tMONTH","tMONTH_UNIT","tSEC_UNIT","tSNUMBER","tUNUMBER","tYEAR_UNIT","tZONE",
 "':'","','","'/'","spec","item","time","zone","day","date","rel","relunit","number",
-"o_merid",""
+"o_merid", NULL
 };
 #endif
 
@@ -393,14 +380,15 @@ static const short yycheck[] = {     0,
     56
 };
 /* -*-C-*-  Note some compilers choke on comments on `#line' lines.  */
-#line 3 "/usr/gnu/lib/bison.simple"
+#line 3 "/usr/local/share/bison.simple"
+/* This file comes from bison-1.28.  */
 
 /* 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,
@@ -410,42 +398,66 @@ static const short yycheck[] = {     0,
 
    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.  */
+
+/* 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
+#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 (unsigned int);
-#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
@@ -455,8 +467,8 @@ void *alloca (unsigned int);
 #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
@@ -485,10 +497,18 @@ while (0)
 
 #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 */
@@ -529,24 +549,24 @@ int yydebug;			/*  nonzero means print parse trace	*/
 #ifndef YYMAXDEPTH
 #define YYMAXDEPTH 10000
 #endif
-
-/* Prevent warning if -Wstrict-prototypes.  */
-#ifdef __GNUC__
-int yyparse (void);
-#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_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;
-     int count;
+     char *from;
+     unsigned int count;
 {
   register char *f = from;
   register char *t = to;
@@ -561,10 +581,10 @@ __yy_bcopy (from, to, count)
 /* 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, unsigned int count)
 {
-  register char *f = from;
   register char *t = to;
+  register char *f = from;
   register int i = count;
 
   while (i-- > 0)
@@ -574,16 +594,46 @@ __yy_bcopy (char *from, char *to, int count)
 #endif
 #endif
 
-#line 184 "/usr/gnu/lib/bison.simple"
+#line 217 "/usr/local/share/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		*/
@@ -602,6 +652,7 @@ yyparse()
 #endif
 
   int yystacksize = YYINITDEPTH;
+  int yyfree_stacks = 0;
 
 #ifdef YYPURE
   int yychar;
@@ -662,13 +713,20 @@ yynewstate:
 #ifdef yyoverflow
       /* Each stack pointer address is followed by the size of
 	 the data in use in that stack, in bytes.  */
+#ifdef YYLSP_NEEDED
+      /* This used to be a conditional around just the two extra args,
+	 but that might be undefined if yyoverflow is a macro.  */
       yyoverflow("parser stack overflow",
 		 &yyss1, size * sizeof (*yyssp),
 		 &yyvs1, size * sizeof (*yyvsp),
-#ifdef YYLSP_NEEDED
 		 &yyls1, size * sizeof (*yylsp),
-#endif
 		 &yystacksize);
+#else
+      yyoverflow("parser stack overflow",
+		 &yyss1, size * sizeof (*yyssp),
+		 &yyvs1, size * sizeof (*yyvsp),
+		 &yystacksize);
+#endif
 
       yyss = yyss1; yyvs = yyvs1;
 #ifdef YYLSP_NEEDED
@@ -679,18 +737,32 @@ 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_bcopy ((char *)yyss1, (char *)yyss, size * sizeof (*yyssp));
-      yyvs = (YYSTYPE *) alloca (yystacksize * sizeof (*yyvsp));
-      __yy_bcopy ((char *)yyvs1, (char *)yyvs, 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_bcopy ((char *)yyls1, (char *)yyls, 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 */
 
@@ -829,7 +901,8 @@ yydefault:
 /* 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)
@@ -1212,7 +1285,7 @@ case 50:
     break;}
 }
    /* the action file gets copied in in place of this dollarsign */
-#line 457 "/usr/gnu/lib/bison.simple"
+#line 543 "/usr/local/share/bison.simple"
 
   yyvsp -= yylen;
   yyssp -= yylen;
@@ -1407,6 +1480,30 @@ 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;
 }
 #line 462 "getdate.y"