* src/nullable.c (set_nullable): Useless rules must be skipped,

[bison.git] / src / bison.simple

diff --git a/src/bison.simple b/src/bison.simple
index cc651ae53942b9355b69e72a49f7fb2cf7edca27..65e0f9608917f606a4af6cf85f596548a3fc05a9 100644 (file)
--- a/src/bison.simple
+++ b/src/bison.simple
@@ -1,8 +1,7 @@
 /* -*-C-*-  Note some compilers choke on comments on `#line' lines.  */
 /* -*-C-*-  Note some compilers choke on comments on `#line' lines.  */

-#line 3 "bison.simple"
-
+#line

 /* Skeleton output parser for bison,
 /* Skeleton output parser for bison,

-   Copyright (C) 1984, 1989, 1990 Free Software Foundation, Inc.
+   Copyright 1984, 1989, 1990, 2000, 2001 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
 
    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


@@ -16,183 +15,338 @@
 
    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
 
    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.  */
 
 
 /* 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
-#ifdef __GNUC__
-#define alloca __builtin_alloca
-#else /* not GNU C.  */
-#if (!defined (__STDC__) && defined (sparc)) || defined (__sparc__) || defined (__sparc) || defined (__sgi)
-#include <alloca.h>
-#else /* not sparc */
-#if 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 */
-#ifdef __hpux
-#ifdef __cplusplus
-extern "C" {
-void *alloca (unsigned int);
+/* 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.  */
+
+/* All symbols defined below should begin with yy or YY, to avoid
+   infringing on user name space.  This should be done even for local
+   variables, as they might otherwise be expanded by user macros.
+   There are some unavoidable exceptions within include files to
+   define necessary library symbols; they are noted "INFRINGES ON
+   USER NAME SPACE" below.  */
+
+#if ! defined (yyoverflow) || defined (YYERROR_VERBOSE)
+
+/* The parser invokes alloca or malloc; define the necessary symbols.  */
+
+# if YYSTACK_USE_ALLOCA
+#  define YYSTACK_ALLOC alloca
+#  define YYSIZE_T size_t
+# else
+#  ifndef YYSTACK_USE_ALLOCA
+#   if defined (alloca) || defined (_ALLOCA_H)
+#    define YYSTACK_ALLOC alloca
+#    define YYSIZE_T size_t
+#   else
+#    if defined (__GNUC__) || defined (_AIX) || defined (__hpux)
+#     define YYSTACK_ALLOC __builtin_alloca
+#    endif
+#    ifndef __GNUC__
+#     ifdef _AIX
+ #     pragma alloca
+#     endif
+#     if defined (__sgi) || defined (__sparc__) || defined (__sparc) || defined (__sun)
+#      include <alloca.h> /* INFRINGES ON USER NAME SPACE */
+#      define YYSTACK_ALLOC alloca
+#      define YYSIZE_T size_t
+#     endif
+#    endif
+#   endif
+#  endif
+# endif
+
+# ifdef YYSTACK_ALLOC
+   /* Pacify GCC's `empty if-body' warning. */
+#  define YYSTACK_FREE(Ptr) do { /* empty */; } while (0)
+# else
+#  ifdef __cplusplus
+#   include <cstdlib> /* INFRINGES ON USER NAME SPACE */
+#   define YYSIZE_T std::size_t
+#   define YYSTACK_ALLOC std::malloc
+#   define YYSTACK_FREE std::free
+#  else
+#   ifdef __STDC__
+#    include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
+#    define YYSIZE_T size_t
+#   endif
+#   define YYSTACK_ALLOC malloc
+#   define YYSTACK_FREE free
+#  endif
+# endif
+
+/* A type that is properly aligned for any stack member.  */
+union yyalloc
+{
+  short yyss;
+  YYSTYPE yyvs;
+# if YYLSP_NEEDED
+  YYLTYPE yyls;
+# endif

 };
 };

-#else /* not __cplusplus */
-void *alloca ();
-#endif /* not __cplusplus */
-#endif /* __hpux */
-#endif /* not _AIX */
-#endif /* not MSDOS, or __TURBOC__ */
-#endif /* not sparc.  */
-#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.  */
+
+/* The size of the maximum gap between one aligned stack and the next.  */
+# define YYSTACK_GAP_MAX (sizeof (union yyalloc) - 1)
+
+/* The size of an array large to enough to hold all stacks, each with
+   N elements.  */
+# if YYLSP_NEEDED
+#  define YYSTACK_BYTES(N) \
+     ((N) * (sizeof (short) + sizeof (YYSTYPE) + sizeof (YYLTYPE))     \
+      + 2 * YYSTACK_GAP_MAX)
+# else
+#  define YYSTACK_BYTES(N) \
+     ((N) * (sizeof (short) + sizeof (YYSTYPE))                                \
+      + YYSTACK_GAP_MAX)
+# endif
+
+/* Relocate the TYPE STACK from its old location to the new one.  The
+   local variables YYSIZE and YYSTACKSIZE give the old and new number of
+   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(Type, Stack)                                 \
+    do                                                                 \
+      {                                                                        \
+       YYSIZE_T yynewbytes;                                            \
+       yymemcpy ((char *) yyptr, (char *) (Stack),                     \
+                 yysize * (YYSIZE_T) sizeof (Type));                   \
+       Stack = &yyptr->Stack;                                          \
+       yynewbytes = yystacksize * sizeof (Type) + YYSTACK_GAP_MAX;     \
+       yyptr += yynewbytes / sizeof (*yyptr);                          \
+      }                                                                        \
+    while (0)
+
+#endif /* ! defined (yyoverflow) || defined (YYERROR_VERBOSE) */
+
+
+#if ! defined (YYSIZE_T) && defined (__SIZE_TYPE__)
+# define YYSIZE_T __SIZE_TYPE__
+#endif
+#if ! defined (YYSIZE_T) && defined (size_t)
+# define YYSIZE_T size_t
+#endif
+#if ! defined (YYSIZE_T)
+# ifdef __cplusplus
+#  include <cstddef> /* INFRINGES ON USER NAME SPACE */
+#  define YYSIZE_T std::size_t
+# else
+#  ifdef __STDC__
+#   include <stddef.h> /* INFRINGES ON USER NAME SPACE */
+#   define YYSIZE_T size_t
+#  endif
+# endif
+#endif
+#if ! defined (YYSIZE_T)
+# define YYSIZE_T unsigned int
+#endif

 
 #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       return(0)
-#define YYABORT        return(1)
+#define YYACCEPT       goto yyacceptlab
+#define YYABORT        goto yyabortlab

 #define YYERROR                goto yyerrlab1
 #define YYERROR                goto yyerrlab1

-/* Like YYERROR except do call yyerror.
-   This remains here temporarily to ease the
-   transition to the new meaning of YYERROR, for GCC.
+/* Like YYERROR except do call yyerror.  This remains here temporarily
+   to ease the transition to the new meaning of YYERROR, for GCC.

    Once GCC version 2 has supplanted version 1, this can go.  */
 #define YYFAIL         goto yyerrlab
 #define YYRECOVERING()  (!!yyerrstatus)
    Once GCC version 2 has supplanted version 1, this can go.  */
 #define YYFAIL         goto yyerrlab
 #define YYRECOVERING()  (!!yyerrstatus)

-#define YYBACKUP(token, value) \
+#define YYBACKUP(Token, Value)                                 \

 do                                                             \
   if (yychar == YYEMPTY && yylen == 1)                         \
 do                                                             \
   if (yychar == YYEMPTY && yylen == 1)                         \

-    { yychar = (token), yylval = (value);                      \
+    {                                                          \
+      yychar = (Token);                                                \
+      yylval = (Value);                                                \

       yychar1 = YYTRANSLATE (yychar);                          \
       YYPOPSTACK;                                              \
       goto yybackup;                                           \
     }                                                          \
   else                                                         \
       yychar1 = YYTRANSLATE (yychar);                          \
       YYPOPSTACK;                                              \
       goto yybackup;                                           \
     }                                                          \
   else                                                         \

-    { yyerror ("syntax error: cannot back up"); YYERROR; }     \
+    {                                                          \
+      yyerror ("syntax error: cannot back up");                        \
+      YYERROR;                                                 \
+    }                                                          \

 while (0)
 
 #define YYTERROR       1
 #define YYERRCODE      256
 
 while (0)
 
 #define YYTERROR       1
 #define YYERRCODE      256
 

-#ifndef YYPURE
-#define YYLEX          yylex()
-#endif
-
-#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 YYPURE
-
-int    yychar;                 /*  the lookahead symbol                */
-YYSTYPE        yylval;                 /*  the semantic value of the           */
-                               /*  lookahead symbol                    */
-
-#ifdef YYLSP_NEEDED
-YYLTYPE yylloc;                        /*  location data for the lookahead     */
-                               /*  symbol                              */
-#endif
-
-int yynerrs;                   /*  number of parse errors so far       */
-#endif  /* not YYPURE */
-
-#if YYDEBUG != 0
-int yydebug;                   /*  nonzero means print parse trace     */
-/* Since this is uninitialized, it does not stop multiple parsers
-   from coexisting.  */
-#endif
-
-/*  YYINITDEPTH indicates the initial size of the parser's stacks      */

 
 

+/* YYLLOC_DEFAULT -- Compute the default location (before the actions
+   are run).
+
+   When YYLLOC_DEFAULT is run, CURRENT is set the location of the
+   first token.  By default, to implement support for ranges, extend
+   its range to the last symbol.  */
+
+#ifndef YYLLOC_DEFAULT
+# define YYLLOC_DEFAULT(Current, Rhs, N)               \
+   Current.last_line   = Rhs[N].last_line;     \
+   Current.last_column = Rhs[N].last_column;
+#endif
+
+
+/* YYLEX -- calling `yylex' with the right arguments.  */
+
+#if YYPURE
+# if YYLSP_NEEDED
+#  ifdef YYLEX_PARAM
+#   define YYLEX               yylex (&yylval, &yylloc, YYLEX_PARAM)
+#  else
+#   define YYLEX               yylex (&yylval, &yylloc)
+#  endif
+# else /* !YYLSP_NEEDED */
+#  ifdef YYLEX_PARAM
+#   define YYLEX               yylex (&yylval, YYLEX_PARAM)
+#  else
+#   define YYLEX               yylex (&yylval)
+#  endif
+# endif /* !YYLSP_NEEDED */
+#else /* !YYPURE */
+# define YYLEX                 yylex ()
+#endif /* !YYPURE */
+
+
+/* Enable debugging if requested.  */
+#if YYDEBUG
+
+# ifndef YYFPRINTF
+#  ifdef __cplusplus
+#   include <cstdio.h> /* INFRINGES ON USER NAME SPACE */
+#   define YYFPRINTF std::fprintf
+#   define YYSTDERR std::stderr
+#  else
+#   include <stdio.h> /* INFRINGES ON USER NAME SPACE */
+#   define YYFPRINTF fprintf
+#   define YYSTDERR stderr
+#  endif
+# endif
+
+# define YYDPRINTF(Args)                       \
+do {                                           \
+  if (yydebug)                                 \
+    YYFPRINTF Args;                            \
+} while (0)
+/* Nonzero means print parse trace. [The following comment makes no
+   sense to me.  Could someone clarify it?  --akim] Since this is
+   uninitialized, it does not stop multiple parsers from coexisting.
+   */
+int yydebug;
+#else /* !YYDEBUG */
+# define YYDPRINTF(Args)
+#endif /* !YYDEBUG */
+
+/* YYINITDEPTH -- initial size of the parser's stacks.  */

 #ifndef        YYINITDEPTH
 #ifndef        YYINITDEPTH

-#define YYINITDEPTH 200
+# define YYINITDEPTH 200

 #endif
 
 #endif
 

-/*  YYMAXDEPTH is the maximum size the stacks can grow to
-    (effective only if the built-in stack extension method is used).  */
+/* YYMAXDEPTH -- maximum size the stacks can grow to (effective only
+   if the built-in stack extension method is used).
+
+   Do not make this value too large; the results are undefined if
+   SIZE_MAX < YYSTACK_BYTES (YYMAXDEPTH)
+   evaluated with infinite-precision integer arithmetic.  */

 
 #if YYMAXDEPTH == 0
 
 #if YYMAXDEPTH == 0

-#undef YYMAXDEPTH
+# undef YYMAXDEPTH

 #endif
 
 #ifndef YYMAXDEPTH
 #endif
 
 #ifndef YYMAXDEPTH

-#define YYMAXDEPTH 10000
-#endif
-
-/* Prevent warning if -Wstrict-prototypes.  */
-#ifdef __GNUC__
-int yyparse (void);
+# define YYMAXDEPTH 10000

 #endif
 \f
 #endif
 \f

-#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++ */
-#ifndef __cplusplus
+#if ! defined (yyoverflow) && ! defined (yymemcpy)
+# if __GNUC__ > 1              /* GNU C and GNU C++ define this.  */
+#  define yymemcpy __builtin_memcpy
+# else                         /* not GNU C or C++ */

 
 /* This is the most reliable way to avoid incompatibilities
    in available built-in functions on various systems.  */
 static void
 
 /* This is the most reliable way to avoid incompatibilities
    in available built-in functions on various systems.  */
 static void

-__yy_memcpy (to, from, count)
-     char *to;
-     char *from;
-     int count;
+#  if defined (__STDC__) || defined (__cplusplus)
+yymemcpy (char *yyto, const char *yyfrom, YYSIZE_T yycount)
+#  else
+yymemcpy (yyto, yyfrom, yycount)
+     char *yyto;
+     const char *yyfrom;
+     YYSIZE_T yycount;
+#  endif

 {
 {

-  register char *f = from;
-  register char *t = to;
-  register int i = count;
+  register const char *yyf = yyfrom;
+  register char *yyt = yyto;
+  register YYSIZE_T yyi = yycount;

 
 

-  while (i-- > 0)
-    *t++ = *f++;
+  while (yyi-- != 0)
+    *yyt++ = *yyf++;

 }
 }

+# endif
+#endif

 
 

-#else /* __cplusplus */
+#ifdef YYERROR_VERBOSE

 
 

-/* 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)
+# ifndef yystrlen
+#  if defined (__GLIBC__) && defined (_STRING_H)
+#   define yystrlen strlen
+#  else
+/* Return the length of YYSTR.  */
+static YYSIZE_T
+#   if defined (__STDC__) || defined (__cplusplus)
+yystrlen (const char *yystr)
+#   else
+yystrlen (yystr)
+     const char *yystr;
+#   endif

 {
 {

-  register char *t = to;
-  register char *f = from;
-  register int i = count;
+  register const char *yys = yystr;
+
+  while (*yys++ != '\0')
+    continue;

 
 

-  while (i-- > 0)
-    *t++ = *f++;
+  return yys - yystr - 1;

 }
 }

+#  endif
+# endif
+
+# ifndef yystpcpy
+#  if defined (__GLIBC__) && defined (_STRING_H) && defined (_GNU_SOURCE)
+#   define yystpcpy stpcpy
+#  else
+/* Copy YYSRC to YYDEST, returning the address of the terminating '\0' in
+   YYDEST.  */
+static char *
+#   if defined (__STDC__) || defined (__cplusplus)
+yystpcpy (char *yydest, const char *yysrc)
+#   else
+yystpcpy (yydest, yysrc)
+     char *yydest;
+     const char *yysrc;
+#   endif
+{
+  register char *yyd = yydest;
+  register const char *yys = yysrc;

 
 

-#endif
+  while ((*yyd++ = *yys++) != '\0')
+    continue;
+
+  return yyd - 1;
+}
+#  endif
+# endif

 #endif
 \f
 #endif
 \f

-#line 196 "bison.simple"
+#line

 
 /* The user can define YYPARSE_PARAM as the name of an argument to be passed
    into yyparse.  The argument should have type void *.
 
 /* The user can define YYPARSE_PARAM as the name of an argument to be passed
    into yyparse.  The argument should have type void *.


@@ -201,66 +355,121 @@ __yy_memcpy (char *to, char *from, int count)
    to the proper pointer type.  */
 
 #ifdef YYPARSE_PARAM
    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 */
+# ifdef __cplusplus
+#  define YYPARSE_PARAM_ARG void *YYPARSE_PARAM
+#  define YYPARSE_PARAM_DECL
+# else /* !__cplusplus */
+#  define YYPARSE_PARAM_ARG YYPARSE_PARAM
+#  define YYPARSE_PARAM_DECL void *YYPARSE_PARAM;
+# endif /* !__cplusplus */
+#else /* !YYPARSE_PARAM */
+# define YYPARSE_PARAM_ARG
+# define YYPARSE_PARAM_DECL
+#endif /* !YYPARSE_PARAM */
+
+/* Prevent warning if -Wstrict-prototypes.  */
+#ifdef __GNUC__
+# ifdef YYPARSE_PARAM
+int yyparse (void *);
+# else
+int yyparse (void);
+# endif
+#endif
+
+/* YY_DECL_VARIABLES -- depending whether we use a pure parser,
+   variables are global, or local to YYPARSE.  */
+
+#define YY_DECL_NON_LSP_VARIABLES                      \
+/* The lookahead symbol.  */                           \
+int yychar;                                            \
+                                                       \
+/* The semantic value of the lookahead symbol. */      \
+YYSTYPE yylval;                                                \
+                                                       \
+/* Number of parse errors so far.  */                  \
+int yynerrs;
+
+#if YYLSP_NEEDED
+# define YY_DECL_VARIABLES                     \
+YY_DECL_NON_LSP_VARIABLES                      \
+                                               \
+/* Location data for the lookahead symbol.  */ \
+YYLTYPE yylloc;
+#else
+# define YY_DECL_VARIABLES                     \
+YY_DECL_NON_LSP_VARIABLES
+#endif
+
+
+/* If nonreentrant, generate the variables here. */
+
+#if !YYPURE
+YY_DECL_VARIABLES
+#endif  /* !YYPURE */

 
 int
 
 int

-yyparse(YYPARSE_PARAM_ARG)
+yyparse (YYPARSE_PARAM_ARG)

      YYPARSE_PARAM_DECL
 {
      YYPARSE_PARAM_DECL
 {

+  /* If reentrant, generate the variables here. */
+#if YYPURE
+  YY_DECL_VARIABLES
+#endif  /* !YYPURE */
+

   register int yystate;
   register int yyn;
   register int yystate;
   register int yyn;

+  int yyresult;
+  /* Number of tokens to shift before error messages enabled.  */
+  int yyerrstatus;
+  /* Lookahead token as an internal (translated) token number.  */
+  int yychar1 = 0;
+
+  /* Three stacks and their tools:
+     `yyss': related to states,
+     `yyvs': related to semantic values,
+     `yyls': related to locations.
+
+     Refer to the stacks thru separate pointers, to allow yyoverflow
+     to reallocate them elsewhere.  */
+
+  /* The state stack. */
+  short        yyssa[YYINITDEPTH];
+  short *yyss = yyssa;

   register short *yyssp;
   register short *yyssp;

-  register YYSTYPE *yyvsp;
-  int yyerrstatus;     /*  number of tokens to shift before error messages enabled */
-  int yychar1 = 0;             /*  lookahead token as an internal (translated) token number */

 
 

-  short        yyssa[YYINITDEPTH];     /*  the state stack                     */
-  YYSTYPE yyvsa[YYINITDEPTH];  /*  the semantic value stack            */
-
-  short *yyss = yyssa;         /*  refer to the stacks thru separate pointers */
-  YYSTYPE *yyvs = yyvsa;       /*  to allow yyoverflow to reallocate them elsewhere */
+  /* The semantic value stack.  */
+  YYSTYPE yyvsa[YYINITDEPTH];
+  YYSTYPE *yyvs = yyvsa;
+  register YYSTYPE *yyvsp;

 
 

-#ifdef YYLSP_NEEDED
-  YYLTYPE yylsa[YYINITDEPTH];  /*  the location stack                  */
+#if YYLSP_NEEDED
+  /* The location stack.  */
+  YYLTYPE yylsa[YYINITDEPTH];

   YYLTYPE *yyls = yylsa;
   YYLTYPE *yylsp;
   YYLTYPE *yyls = yylsa;
   YYLTYPE *yylsp;

+#endif

 
 

-#define YYPOPSTACK   (yyvsp--, yyssp--, yylsp--)
+#if YYLSP_NEEDED
+# define YYPOPSTACK   (yyvsp--, yyssp--, yylsp--)

 #else
 #else

-#define YYPOPSTACK   (yyvsp--, yyssp--)
+# define YYPOPSTACK   (yyvsp--, yyssp--)

 #endif
 
 #endif
 

-  int yystacksize = YYINITDEPTH;
+  YYSIZE_T yystacksize = YYINITDEPTH;

 
 

-#ifdef YYPURE
-  int yychar;
-  YYSTYPE yylval;
-  int yynerrs;
-#ifdef YYLSP_NEEDED
-  YYLTYPE yylloc;
-#endif
-#endif

 
 

-  YYSTYPE yyval;               /*  the variable used to return         */
-                               /*  semantic values from the action     */
-                               /*  routines                            */
+  /* The variables used to return semantic value and location from the
+     action routines.  */
+  YYSTYPE yyval;
+#if YYLSP_NEEDED
+  YYLTYPE yyloc;
+#endif

 
 

+  /* When reducing, the number of symbols on the RHS of the reduced
+     rule. */

   int yylen;
 
   int yylen;
 

-#if YYDEBUG != 0
-  if (yydebug)
-    fprintf(stderr, "Starting parse\n");
-#endif
+  YYDPRINTF ((YYSTDERR, "Starting parse\n"));

 
   yystate = 0;
   yyerrstatus = 0;
 
   yystate = 0;
   yyerrstatus = 0;


@@ -272,96 +481,106 @@ yyparse(YYPARSE_PARAM_ARG)
      so that they stay on the same level as the state stack.
      The wasted elements are never initialized.  */
 
      so that they stay on the same level as the state stack.
      The wasted elements are never initialized.  */
 

-  yyssp = yyss - 1;
+  yyssp = yyss;

   yyvsp = yyvs;
   yyvsp = yyvs;

-#ifdef YYLSP_NEEDED
+#if YYLSP_NEEDED

   yylsp = yyls;
 #endif
   yylsp = yyls;
 #endif

+  goto yysetstate;

 
 

-/* Push a new state, which is found in  yystate  .  */
-/* In all cases, when you get here, the value and location stacks
-   have just been pushed. so pushing a state here evens the stacks.  */
-yynewstate:
+/*------------------------------------------------------------.
+| yynewstate -- Push a new state, which is found in yystate.  |
+`------------------------------------------------------------*/
+ yynewstate:
+  /* In all cases, when you get here, the value and location stacks
+     have just been pushed. so pushing a state here evens the stacks.
+     */
+  yyssp++;

 
 

-  *++yyssp = yystate;
+ yysetstate:
+  *yyssp = yystate;

 
   if (yyssp >= yyss + yystacksize - 1)
     {
 
   if (yyssp >= yyss + yystacksize - 1)
     {

-      /* 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;
-      short *yyss1 = yyss;
-#ifdef YYLSP_NEEDED
-      YYLTYPE *yyls1 = yyls;
-#endif
-

       /* Get the current used size of the three stacks, in elements.  */
       /* Get the current used size of the three stacks, in elements.  */

-      int size = yyssp - yyss + 1;
+      YYSIZE_T yysize = yyssp - yyss + 1;

 
 #ifdef yyoverflow
 
 #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),
-                &yyls1, size * sizeof (*yylsp),
-                &yystacksize);
-#else
-      yyoverflow("parser stack overflow",
-                &yyss1, size * sizeof (*yyssp),
-                &yyvs1, size * sizeof (*yyvsp),
-                &yystacksize);
-#endif
-
-      yyss = yyss1; yyvs = yyvs1;
-#ifdef YYLSP_NEEDED
-      yyls = yyls1;
-#endif
+      {
+       /* 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;
+       short *yyss1 = yyss;
+
+       /* Each stack pointer address is followed by the size of the
+          data in use in that stack, in bytes.  */
+# if YYLSP_NEEDED
+       YYLTYPE *yyls1 = yyls;
+       /* 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, yysize * sizeof (*yyssp),
+                   &yyvs1, yysize * sizeof (*yyvsp),
+                   &yyls1, yysize * sizeof (*yylsp),
+                   &yystacksize);
+       yyls = yyls1;
+# else
+       yyoverflow ("parser stack overflow",
+                   &yyss1, yysize * sizeof (*yyssp),
+                   &yyvs1, yysize * sizeof (*yyvsp),
+                   &yystacksize);
+# endif
+       yyss = yyss1;
+       yyvs = yyvs1;
+      }

 #else /* no yyoverflow */
       /* Extend the stack our own way.  */
       if (yystacksize >= YYMAXDEPTH)
 #else /* no yyoverflow */
       /* Extend the stack our own way.  */
       if (yystacksize >= YYMAXDEPTH)

-       {
-         yyerror("parser stack overflow");
-         return 2;
-       }
+       goto yyoverflowlab;

       yystacksize *= 2;
       if (yystacksize > YYMAXDEPTH)
        yystacksize = YYMAXDEPTH;
       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));
-#ifdef YYLSP_NEEDED
-      yyls = (YYLTYPE *) alloca (yystacksize * sizeof (*yylsp));
-      __yy_memcpy ((char *)yyls, (char *)yyls1, size * sizeof (*yylsp));
-#endif
+
+      {
+       short *yyss1 = yyss;
+       union yyalloc *yyptr =
+         (union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize));
+       if (! yyptr)
+         goto yyoverflowlab;
+       YYSTACK_RELOCATE (short, yyss);
+       YYSTACK_RELOCATE (YYSTYPE, yyvs);
+# if YYLSP_NEEDED
+       YYSTACK_RELOCATE (YYLTYPE, yyls);
+# endif
+# undef YYSTACK_RELOCATE
+       if (yyss1 != yyssa)
+         YYSTACK_FREE (yyss1);
+      }

 #endif /* no yyoverflow */
 
 #endif /* no yyoverflow */
 

-      yyssp = yyss + size - 1;
-      yyvsp = yyvs + size - 1;
-#ifdef YYLSP_NEEDED
-      yylsp = yyls + size - 1;
+      yyssp = yyss + yysize - 1;
+      yyvsp = yyvs + yysize - 1;
+#if YYLSP_NEEDED
+      yylsp = yyls + yysize - 1;

 #endif
 
 #endif
 

-#if YYDEBUG != 0
-      if (yydebug)
-       fprintf(stderr, "Stack size increased to %d\n", yystacksize);
-#endif
+      YYDPRINTF ((YYSTDERR, "Stack size increased to %lu\n",
+                 (unsigned long int) yystacksize));

 
       if (yyssp >= yyss + yystacksize - 1)
        YYABORT;
     }
 
 
       if (yyssp >= yyss + yystacksize - 1)
        YYABORT;
     }
 

-#if YYDEBUG != 0
-  if (yydebug)
-    fprintf(stderr, "Entering state %d\n", yystate);
-#endif
+  YYDPRINTF ((YYSTDERR, "Entering state %d\n", yystate));

 
   goto yybackup;
 
   goto yybackup;

- yybackup:
+
+
+/*-----------.
+| yybackup.  |
+`-----------*/
+yybackup:

 
 /* Do appropriate processing given the current state.  */
 /* Read a lookahead token if we need one and don't already have one.  */
 
 /* Do appropriate processing given the current state.  */
 /* Read a lookahead token if we need one and don't already have one.  */


@@ -380,10 +599,7 @@ yynewstate:
 
   if (yychar == YYEMPTY)
     {
 
   if (yychar == YYEMPTY)
     {

-#if YYDEBUG != 0
-      if (yydebug)
-       fprintf(stderr, "Reading a token: ");
-#endif
+      YYDPRINTF ((YYSTDERR, "Reading a token: "));

       yychar = YYLEX;
     }
 
       yychar = YYLEX;
     }
 


@@ -394,25 +610,25 @@ yynewstate:
       yychar1 = 0;
       yychar = YYEOF;          /* Don't call YYLEX any more */
 
       yychar1 = 0;
       yychar = YYEOF;          /* Don't call YYLEX any more */
 

-#if YYDEBUG != 0
-      if (yydebug)
-       fprintf(stderr, "Now at end of input.\n");
-#endif
+      YYDPRINTF ((YYSTDERR, "Now at end of input.\n"));

     }
   else
     {
     }
   else
     {

-      yychar1 = YYTRANSLATE(yychar);
+      yychar1 = YYTRANSLATE (yychar);

 
 

-#if YYDEBUG != 0
+#if YYDEBUG
+     /* We have to keep this `#if YYDEBUG', since we use variables
+       which are defined only if `YYDEBUG' is set.  */

       if (yydebug)
        {
       if (yydebug)
        {

-         fprintf (stderr, "Next token is %d (%s", yychar, yytname[yychar1]);
-         /* Give the individual parser a way to print the precise meaning
-            of a token, for further debugging info.  */
-#ifdef YYPRINT
-         YYPRINT (stderr, yychar, yylval);
-#endif
-         fprintf (stderr, ")\n");
+         YYFPRINTF (YYSTDERR, "Next token is %d (%s",
+                    yychar, yytname[yychar1]);
+         /* Give the individual parser a way to print the precise
+            meaning of a token, for further debugging info.  */
+# ifdef YYPRINT
+         YYPRINT (YYSTDERR, yychar, yylval);
+# endif
+         YYFPRINTF (YYSTDERR, ")\n");

        }
 #endif
     }
        }
 #endif
     }


@@ -444,98 +660,105 @@ yynewstate:
     YYACCEPT;
 
   /* Shift the lookahead token.  */
     YYACCEPT;
 
   /* Shift the lookahead token.  */

-
-#if YYDEBUG != 0
-  if (yydebug)
-    fprintf(stderr, "Shifting token %d (%s), ", yychar, yytname[yychar1]);
-#endif
+  YYDPRINTF ((YYSTDERR, "Shifting token %d (%s), ",
+             yychar, yytname[yychar1]));

 
   /* Discard the token being shifted unless it is eof.  */
   if (yychar != YYEOF)
     yychar = YYEMPTY;
 
   *++yyvsp = yylval;
 
   /* Discard the token being shifted unless it is eof.  */
   if (yychar != YYEOF)
     yychar = YYEMPTY;
 
   *++yyvsp = yylval;

-#ifdef YYLSP_NEEDED
+#if YYLSP_NEEDED

   *++yylsp = yylloc;
 #endif
 
   *++yylsp = yylloc;
 #endif
 

-  /* count tokens shifted since error; after three, turn off error status.  */
-  if (yyerrstatus) yyerrstatus--;
+  /* Count tokens shifted since error; after three, turn off error
+     status.  */
+  if (yyerrstatus)
+    yyerrstatus--;

 
   yystate = yyn;
   goto yynewstate;
 
 
   yystate = yyn;
   goto yynewstate;
 

-/* Do the default action for the current state.  */
-yydefault:

 
 

+/*-----------------------------------------------------------.
+| yydefault -- do the default action for the current state.  |
+`-----------------------------------------------------------*/
+yydefault:

   yyn = yydefact[yystate];
   if (yyn == 0)
     goto yyerrlab;
   yyn = yydefact[yystate];
   if (yyn == 0)
     goto yyerrlab;

+  goto yyreduce;
+

 
 

-/* Do a reduction.  yyn is the number of a rule to reduce with.  */
+/*-----------------------------.
+| yyreduce -- Do a reduction.  |
+`-----------------------------*/

 yyreduce:
 yyreduce:

+  /* yyn is the number of a rule to reduce with.  */

   yylen = yyr2[yyn];
   yylen = yyr2[yyn];

-  if (yylen > 0)
-    yyval = yyvsp[1-yylen]; /* implement default value of the action */

 
 

-#if YYDEBUG != 0
+  /* If YYLEN is nonzero, implement the default value of the action:
+     `$$ = $1'.
+
+     Otherwise, the following line sets YYVAL to the semantic value of
+     the lookahead token.  This behavior is undocumented and Bison
+     users should not rely upon it.  Assigning to YYVAL
+     unconditionally makes the parser a bit smaller, and it avoids a
+     GCC warning that YYVAL may be used uninitialized.  */
+  yyval = yyvsp[1-yylen];
+
+#if YYLSP_NEEDED
+  /* Similarly for the default location.  Let the user run additional
+     commands if for instance locations are ranges.  */
+  yyloc = yylsp[1-yylen];
+  YYLLOC_DEFAULT (yyloc, (yylsp - yylen), yylen);
+#endif
+
+#if YYDEBUG
+  /* We have to keep this `#if YYDEBUG', since we use variables which
+     are defined only if `YYDEBUG' is set.  */

   if (yydebug)
     {
   if (yydebug)
     {

-      int i;
+      int yyi;

 
 

-      fprintf (stderr, "Reducing via rule %d (line %d), ",
-              yyn, yyrline[yyn]);
+      YYFPRINTF (YYSTDERR, "Reducing via rule %d (line %d), ",
+                yyn, yyrline[yyn]);

 
       /* Print the symbols being reduced, and their result.  */
 
       /* Print the symbols being reduced, and their result.  */

-      for (i = yyprhs[yyn]; yyrhs[i] > 0; i++)
-       fprintf (stderr, "%s ", yytname[yyrhs[i]]);
-      fprintf (stderr, " -> %s\n", yytname[yyr1[yyn]]);
+      for (yyi = yyprhs[yyn]; yyrhs[yyi] > 0; yyi++)
+       YYFPRINTF (YYSTDERR, "%s ", yytname[yyrhs[yyi]]);
+      YYFPRINTF (YYSTDERR, " -> %s\n", yytname[yyr1[yyn]]);

     }
 #endif
     }
 #endif

-
-$   /* the action file gets copied in in place of this dollarsign */
-#line 498 "bison.simple"
+%% actions /* The action file replaces this line. */
+#line

 \f
   yyvsp -= yylen;
   yyssp -= yylen;
 \f
   yyvsp -= yylen;
   yyssp -= yylen;

-#ifdef YYLSP_NEEDED
+#if YYLSP_NEEDED

   yylsp -= yylen;
 #endif
 
   yylsp -= yylen;
 #endif
 

-#if YYDEBUG != 0
+#if YYDEBUG

   if (yydebug)
     {
   if (yydebug)
     {

-      short *ssp1 = yyss - 1;
-      fprintf (stderr, "state stack now");
-      while (ssp1 != yyssp)
-       fprintf (stderr, " %d", *++ssp1);
-      fprintf (stderr, "\n");
+      short *yyssp1 = yyss - 1;
+      YYFPRINTF (YYSTDERR, "state stack now");
+      while (yyssp1 != yyssp)
+       YYFPRINTF (YYSTDERR, " %d", *++yyssp1);
+      YYFPRINTF (YYSTDERR, "\n");

     }
 #endif
 
   *++yyvsp = yyval;
     }
 #endif
 
   *++yyvsp = yyval;

-
-#ifdef YYLSP_NEEDED
-  yylsp++;
-  if (yylen == 0)
-    {
-      yylsp->first_line = yylloc.first_line;
-      yylsp->first_column = yylloc.first_column;
-      yylsp->last_line = (yylsp-1)->last_line;
-      yylsp->last_column = (yylsp-1)->last_column;
-      yylsp->text = 0;
-    }
-  else
-    {
-      yylsp->last_line = (yylsp+yylen-1)->last_line;
-      yylsp->last_column = (yylsp+yylen-1)->last_column;
-    }
+#if YYLSP_NEEDED
+  *++yylsp = yyloc;

 #endif
 
 #endif
 

-  /* Now "shift" the result of the reduction.
-     Determine what state that goes to,
-     based on the state we popped back to
-     and the rule number reduced by.  */
+  /* Now `shift' the result of the reduction.  Determine what state
+     that goes to, based on the state we popped back to and the rule
+     number reduced by.  */

 
   yyn = yyr1[yyn];
 
 
   yyn = yyr1[yyn];
 


@@ -547,10 +770,13 @@ $   /* the action file gets copied in in place of this dollarsign */
 
   goto yynewstate;
 
 
   goto yynewstate;
 

-yyerrlab:   /* here on detecting error */

 
 

-  if (! yyerrstatus)
-    /* If not already recovering from an error, report this error.  */
+/*------------------------------------.
+| yyerrlab -- here on detecting error |
+`------------------------------------*/
+yyerrlab:
+  /* If not already recovering from an error, report this error.  */
+  if (!yyerrstatus)

     {
       ++yynerrs;
 
     {
       ++yynerrs;
 


@@ -559,102 +785,121 @@ yyerrlab:   /* here on detecting error */
 
       if (yyn > YYFLAG && yyn < YYLAST)
        {
 
       if (yyn > YYFLAG && yyn < YYLAST)
        {

-         int size = 0;
-         char *msg;
-         int x, count;
-
-         count = 0;
-         /* Start X at -yyn if nec to avoid negative indexes in yycheck.  */
-         for (x = (yyn < 0 ? -yyn : 0);
-              x < (sizeof(yytname) / sizeof(char *)); x++)
-           if (yycheck[x + yyn] == x)
-             size += strlen(yytname[x]) + 15, count++;
-         msg = (char *) malloc(size + 15);
-         if (msg != 0)
+         YYSIZE_T yysize = 0;
+         char *yymsg;
+         int yyx, yycount;
+
+         yycount = 0;
+         /* Start YYX at -YYN if negative to avoid negative indexes in
+            YYCHECK.  */
+         for (yyx = yyn < 0 ? -yyn : 0;
+              yyx < (int) (sizeof (yytname) / sizeof (char *)); yyx++)
+           if (yycheck[yyx + yyn] == yyx)
+             yysize += yystrlen (yytname[yyx]) + 15, yycount++;
+         yysize += yystrlen ("parse error, unexpected ") + 1;
+         yysize += yystrlen (yytname[YYTRANSLATE (yychar)]);
+         yymsg = (char *) YYSTACK_ALLOC (yysize);
+         if (yymsg != 0)

            {
            {

-             strcpy(msg, "parse error");
+             char *yyp = yystpcpy (yymsg, "parse error, unexpected ");
+             yyp = yystpcpy (yyp, yytname[YYTRANSLATE (yychar)]);

 
 

-             if (count < 5)
+             if (yycount < 5)

                {
                {

-                 count = 0;
-                 for (x = (yyn < 0 ? -yyn : 0);
-                      x < (sizeof(yytname) / sizeof(char *)); x++)
-                   if (yycheck[x + yyn] == x)
+                 yycount = 0;
+                 for (yyx = yyn < 0 ? -yyn : 0;
+                      yyx < (int) (sizeof (yytname) / sizeof (char *));
+                      yyx++)
+                   if (yycheck[yyx + yyn] == yyx)

                      {
                      {

-                       strcat(msg, count == 0 ? ", expecting `" : " or `");
-                       strcat(msg, yytname[x]);
-                       strcat(msg, "'");
-                       count++;
+                       const char *yyq = ! yycount ? ", expecting " : " or ";
+                       yyp = yystpcpy (yyp, yyq);
+                       yyp = yystpcpy (yyp, yytname[yyx]);
+                       yycount++;

                      }
                }
                      }
                }

-             yyerror(msg);
-             free(msg);
+             yyerror (yymsg);
+             YYSTACK_FREE (yymsg);

            }
          else
            }
          else

-           yyerror ("parse error; also virtual memory exceeded");
+           yyerror ("parse error; also virtual memory exhausted");

        }
       else
        }
       else

-#endif /* YYERROR_VERBOSE */
-       yyerror("parse error");
+#endif /* defined (YYERROR_VERBOSE) */
+       yyerror ("parse error");

     }
     }

-

   goto yyerrlab1;
   goto yyerrlab1;

-yyerrlab1:   /* here on error raised explicitly by an action */

 
 

+
+/*--------------------------------------------------.
+| yyerrlab1 -- error raised explicitly by an action |
+`--------------------------------------------------*/
+yyerrlab1:

   if (yyerrstatus == 3)
     {
   if (yyerrstatus == 3)
     {

-      /* if just tried and failed to reuse lookahead token after an error, discard it.  */
+      /* If just tried and failed to reuse lookahead token after an
+        error, discard it.  */

 
       /* return failure if at end of input */
       if (yychar == YYEOF)
        YYABORT;
 
       /* return failure if at end of input */
       if (yychar == YYEOF)
        YYABORT;

-
-#if YYDEBUG != 0
-      if (yydebug)
-       fprintf(stderr, "Discarding token %d (%s).\n", yychar, yytname[yychar1]);
-#endif
-
+      YYDPRINTF ((YYSTDERR, "Discarding token %d (%s).\n",
+                 yychar, yytname[yychar1]));

       yychar = YYEMPTY;
     }
 
       yychar = YYEMPTY;
     }
 

-  /* Else will try to reuse lookahead token
-     after shifting the error token.  */
+  /* Else will try to reuse lookahead token after shifting the error
+     token.  */

 
   yyerrstatus = 3;             /* Each real token shifted decrements this */
 
   goto yyerrhandle;
 
 
   yyerrstatus = 3;             /* Each real token shifted decrements this */
 
   goto yyerrhandle;
 

-yyerrdefault:  /* current state does not do anything special for the error token. */

 
 

+/*-------------------------------------------------------------------.
+| yyerrdefault -- current state does not do anything special for the |
+| error token.                                                       |
+`-------------------------------------------------------------------*/
+yyerrdefault:

 #if 0
   /* This is wrong; only states that explicitly want error tokens
      should shift them.  */
 #if 0
   /* This is wrong; only states that explicitly want error tokens
      should shift them.  */

-  yyn = yydefact[yystate];  /* If its default is to accept any token, ok.  Otherwise pop it.*/
-  if (yyn) goto yydefault;
+
+  /* If its default is to accept any token, ok.  Otherwise pop it.  */
+  yyn = yydefact[yystate];
+  if (yyn)
+    goto yydefault;

 #endif
 
 #endif
 

-yyerrpop:   /* pop the current state because it cannot handle the error token */

 
 

-  if (yyssp == yyss) YYABORT;
+/*---------------------------------------------------------------.
+| yyerrpop -- pop the current state because it cannot handle the |
+| error token                                                    |
+`---------------------------------------------------------------*/
+yyerrpop:
+  if (yyssp == yyss)
+    YYABORT;

   yyvsp--;
   yystate = *--yyssp;
   yyvsp--;
   yystate = *--yyssp;

-#ifdef YYLSP_NEEDED
+#if YYLSP_NEEDED

   yylsp--;
 #endif
 
   yylsp--;
 #endif
 

-#if YYDEBUG != 0
+#if YYDEBUG

   if (yydebug)
     {
   if (yydebug)
     {

-      short *ssp1 = yyss - 1;
-      fprintf (stderr, "Error: state stack now");
-      while (ssp1 != yyssp)
-       fprintf (stderr, " %d", *++ssp1);
-      fprintf (stderr, "\n");
+      short *yyssp1 = yyss - 1;
+      YYFPRINTF (YYSTDERR, "Error: state stack now");
+      while (yyssp1 != yyssp)
+       YYFPRINTF (YYSTDERR, " %d", *++yyssp1);
+      YYFPRINTF (YYSTDERR, "\n");

     }
 #endif
 
     }
 #endif
 

+/*--------------.
+| yyerrhandle.  |
+`--------------*/

 yyerrhandle:
 yyerrhandle:

-

   yyn = yypact[yystate];
   if (yyn == YYFLAG)
     goto yyerrdefault;
   yyn = yypact[yystate];
   if (yyn == YYFLAG)
     goto yyerrdefault;


@@ -677,16 +922,43 @@ yyerrhandle:
   if (yyn == YYFINAL)
     YYACCEPT;
 
   if (yyn == YYFINAL)
     YYACCEPT;
 

-#if YYDEBUG != 0
-  if (yydebug)
-    fprintf(stderr, "Shifting error token, ");
-#endif
+  YYDPRINTF ((YYSTDERR, "Shifting error token, "));

 
   *++yyvsp = yylval;
 
   *++yyvsp = yylval;

-#ifdef YYLSP_NEEDED
+#if YYLSP_NEEDED

   *++yylsp = yylloc;
 #endif
 
   yystate = yyn;
   goto yynewstate;
   *++yylsp = yylloc;
 #endif
 
   yystate = yyn;
   goto yynewstate;

+
+
+/*-------------------------------------.
+| yyacceptlab -- YYACCEPT comes here.  |
+`-------------------------------------*/
+yyacceptlab:
+  yyresult = 0;
+  goto yyreturn;
+
+/*-----------------------------------.
+| yyabortlab -- YYABORT comes here.  |
+`-----------------------------------*/
+yyabortlab:
+  yyresult = 1;
+  goto yyreturn;
+
+/*---------------------------------------------.
+| yyoverflowab -- parser overflow comes here.  |
+`---------------------------------------------*/
+yyoverflowlab:
+  yyerror ("parser stack overflow");
+  yyresult = 2;
+  /* Fall through.  */
+
+yyreturn:
+#ifndef yyoverflow
+  if (yyss != yyssa)
+    YYSTACK_FREE (yyss);
+#endif
+  return yyresult;

 }
 }