* TODO: Remove dead items.

[bison.git] / data / yacc.c

diff --git a/data/yacc.c b/data/yacc.c
index af87be3ab048095a038d561da723b725d587e513..6f847177db3f9f5789bb3fd6fadd17f5b7bd4a1e 100644 (file)
--- a/data/yacc.c
+++ b/data/yacc.c
@@ -41,8 +41,8 @@ m4_define_default([b4_stack_depth_init],  [200])
 # Expand IF-TRUE, if %pure-parser and %parse-param, IF-FALSE otherwise.
 m4_define([b4_yacc_pure_if],
 [b4_pure_if([m4_ifset([b4_parse_param],
 # Expand IF-TRUE, if %pure-parser and %parse-param, IF-FALSE otherwise.
 m4_define([b4_yacc_pure_if],
 [b4_pure_if([m4_ifset([b4_parse_param],

-                      [$1], [$2])],
-            [$2])])
+                     [$1], [$2])],
+           [$2])])

 
 
 # b4_yyerror_args
 
 
 # b4_yyerror_args


@@ -71,18 +71,19 @@ m4_ifdef([b4_lex_param], b4_lex_param)))
 # b4_int_type(MIN, MAX)
 # ---------------------
 # Return the smallest int type able to handle numbers ranging from
 # b4_int_type(MIN, MAX)
 # ---------------------
 # Return the smallest int type able to handle numbers ranging from

-# MIN to MAX (included).  We overwrite the version from c.m4 which relies
-# on "signed char" which is not portable to old K&R compilers.
+# MIN to MAX (included).  Overwrite the version from c.m4, which
+# uses only C89 types, so that the user can override the shorter
+# types, and so that pre-C89 compilers are handled correctly.

 m4_define([b4_int_type],
 m4_define([b4_int_type],

-[m4_if(b4_ints_in($@,      [0],   [255]), [1], [unsigned char],
-       b4_ints_in($@,   [-128],   [127]), [1], [yysigned_char],
+[m4_if(b4_ints_in($@,      [0],   [255]), [1], [yytype_uint8],
+       b4_ints_in($@,   [-128],   [127]), [1], [yytype_int8],

 
 

-       b4_ints_in($@,      [0], [65535]), [1], [unsigned short int],
-       b4_ints_in($@, [-32768], [32767]), [1], [short int],
+       b4_ints_in($@,      [0], [65535]), [1], [yytype_uint16],
+       b4_ints_in($@, [-32768], [32767]), [1], [yytype_int16],

 
        m4_eval([0 <= $1]),                [1], [unsigned int],
 
 
        m4_eval([0 <= $1]),                [1], [unsigned int],
 

-                                              [int])])
+                                              [int])])

 
 
 ## ----------------- ##
 
 
 ## ----------------- ##


@@ -187,9 +188,9 @@ b4_location_if([#define yylloc b4_prefix[]lloc])])[
 # define YYTOKEN_TABLE ]b4_token_table[
 #endif
 
 # define YYTOKEN_TABLE ]b4_token_table[
 #endif
 

-#if ! defined (YYSTYPE) && ! defined (YYSTYPE_IS_DECLARED)
+#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED

 ]m4_ifdef([b4_stype],
 ]m4_ifdef([b4_stype],

-[typedef union m4_bregexp(b4_stype, [^{], [YYSTYPE ])
+[typedef union[]m4_bregexp(b4_stype, [^{], [ YYSTYPE])

 b4_stype
 /* Line __line__ of yacc.c.  */
 b4_syncline([@oline@], [@ofile@])
 b4_stype
 /* Line __line__ of yacc.c.  */
 b4_syncline([@oline@], [@ofile@])


@@ -200,7 +201,7 @@ b4_syncline([@oline@], [@ofile@])
 # define YYSTYPE_IS_TRIVIAL 1
 #endif
 
 # define YYSTYPE_IS_TRIVIAL 1
 #endif
 

-]b4_location_if([#if ! defined (YYLTYPE) && ! defined (YYLTYPE_IS_DECLARED)
+]b4_location_if([#if ! defined YYLTYPE && ! defined YYLTYPE_IS_DECLARED

 typedef struct YYLTYPE
 {
   int first_line;
 typedef struct YYLTYPE
 {
   int first_line;


@@ -220,25 +221,42 @@ typedef struct YYLTYPE
 /* Line __line__ of yacc.c.  */
 b4_syncline([@oline@], [@ofile@])[
 
 /* Line __line__ of yacc.c.  */
 b4_syncline([@oline@], [@ofile@])[
 

-/* Define YYMODERN_C if this compiler supports C89 or better.  If
-   __STDC__ is defined, the compiler is modern.  IBM xlc 7.0 when run
-   as 'cc' doesn't define __STDC__ (or __STDC_VERSION__) for pedantic
-   reasons, but it defines __C99__FUNC__ so check that as well.
-   Consider a C++ compiler to be modern if it defines __cplusplus.  */
-#ifndef YYMODERN_C
-# if defined (__STDC__) || defined (__C99__FUNC__) || defined (__cplusplus)
-#  define YYMODERN_C 1
-# else
-#  define YYMODERN_C 0
-# endif
+#ifdef short
+# undef short
+#endif
+
+#ifdef YYTYPE_UINT8
+typedef YYTYPE_UINT8 yytype_uint8;
+#else
+typedef unsigned char yytype_uint8;
+#endif
+
+#ifdef YYTYPE_INT8
+typedef YYTYPE_INT8 yytype_int8;
+#elif ]b4_c_modern[
+typedef signed char yytype_int8;
+#else
+typedef short int yytype_int8;
+#endif
+
+#ifdef YYTYPE_UINT16
+typedef YYTYPE_UINT16 yytype_uint16;
+#else
+typedef unsigned short int yytype_uint16;
+#endif
+
+#ifdef YYTYPE_INT16
+typedef YYTYPE_INT16 yytype_int16;
+#else
+typedef short int yytype_int16;

 #endif
 
 #ifndef YYSIZE_T
 #endif
 
 #ifndef YYSIZE_T

-# if defined (__SIZE_TYPE__)
+# ifdef __SIZE_TYPE__

 #  define YYSIZE_T __SIZE_TYPE__
 #  define YYSIZE_T __SIZE_TYPE__

-# elif defined (size_t)
+# elif defined size_t

 #  define YYSIZE_T size_t
 #  define YYSIZE_T size_t

-# elif ! defined (YYSIZE_T) && YYMODERN_C
+# elif ! defined YYSIZE_T && ]b4_c_modern[

 #  include <stddef.h> /* INFRINGES ON USER NAME SPACE */
 #  define YYSIZE_T size_t
 # else
 #  include <stddef.h> /* INFRINGES ON USER NAME SPACE */
 #  define YYSIZE_T size_t
 # else


@@ -261,7 +279,7 @@ b4_syncline([@oline@], [@ofile@])[
 #endif
 
 /* Suppress unused-variable warnings by "using" E.  */
 #endif
 
 /* Suppress unused-variable warnings by "using" E.  */

-#ifndef lint
+#if ! defined lint || defined __GNUC__

 # define YYUSE(e) ((void) (e))
 #else
 # define YYUSE(e) /* empty */
 # define YYUSE(e) ((void) (e))
 #else
 # define YYUSE(e) /* empty */


@@ -277,7 +295,7 @@ b4_syncline([@oline@], [@ofile@])[
 }
 #endif
 
 }
 #endif
 

-#if ! defined (yyoverflow) || YYERROR_VERBOSE
+#if ! defined yyoverflow || YYERROR_VERBOSE

 
 /* The parser invokes alloca or malloc; define the necessary symbols.  */
 
 
 /* The parser invokes alloca or malloc; define the necessary symbols.  */
 


@@ -285,16 +303,16 @@ b4_syncline([@oline@], [@ofile@])[
 #  if YYSTACK_USE_ALLOCA
 #   ifdef __GNUC__
 #    define YYSTACK_ALLOC __builtin_alloca
 #  if YYSTACK_USE_ALLOCA
 #   ifdef __GNUC__
 #    define YYSTACK_ALLOC __builtin_alloca

-#   elif defined (__BUILTIN_VA_ARG_INCR)
+#   elif defined __BUILTIN_VA_ARG_INCR

 #    include <alloca.h> /* INFRINGES ON USER NAME SPACE */
 #    include <alloca.h> /* INFRINGES ON USER NAME SPACE */

-#   elif defined (_AIX)
+#   elif defined _AIX

 #    define YYSTACK_ALLOC __alloca
 #    define YYSTACK_ALLOC __alloca

-#   elif defined (_MSC_VER)
+#   elif defined _MSC_VER

 #    include <malloc.h> /* INFRINGES ON USER NAME SPACE */
 #    define alloca _alloca
 #   else
 #    define YYSTACK_ALLOC alloca
 #    include <malloc.h> /* INFRINGES ON USER NAME SPACE */
 #    define alloca _alloca
 #   else
 #    define YYSTACK_ALLOC alloca

-#    if ! defined (_ALLOCA_H) && ! defined (_STDLIB_H) && YYMODERN_C
+#    if ! defined _ALLOCA_H && ! defined _STDLIB_H && ]b4_c_modern[

 #     include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
 #     ifndef _STDLIB_H
 #      define _STDLIB_H 1
 #     include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
 #     ifndef _STDLIB_H
 #      define _STDLIB_H 1


@@ -320,37 +338,39 @@ b4_syncline([@oline@], [@ofile@])[
 #  ifndef YYSTACK_ALLOC_MAXIMUM
 #   define YYSTACK_ALLOC_MAXIMUM YYSIZE_MAXIMUM
 #  endif
 #  ifndef YYSTACK_ALLOC_MAXIMUM
 #   define YYSTACK_ALLOC_MAXIMUM YYSIZE_MAXIMUM
 #  endif

-#  ifdef __cplusplus
-extern "C" {
+#  if (defined __cplusplus && ! defined _STDLIB_H \
+       && ! ((defined YYMALLOC || defined malloc) \
+            && (defined YYFREE || defined free)))
+#   include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
+#   ifndef _STDLIB_H
+#    define _STDLIB_H 1
+#   endif

 #  endif
 #  ifndef YYMALLOC
 #   define YYMALLOC malloc
 #  endif
 #  ifndef YYMALLOC
 #   define YYMALLOC malloc

-#   if ! defined (malloc) && ! defined (_STDLIB_H) && YYMODERN_C
+#   if ! defined malloc && ! defined _STDLIB_H && ]b4_c_modern[

 void *malloc (YYSIZE_T); /* INFRINGES ON USER NAME SPACE */
 #   endif
 #  endif
 #  ifndef YYFREE
 #   define YYFREE free
 void *malloc (YYSIZE_T); /* INFRINGES ON USER NAME SPACE */
 #   endif
 #  endif
 #  ifndef YYFREE
 #   define YYFREE free

-#   if ! defined (free) && ! defined (_STDLIB_H)  && YYMODERN_C
+#   if ! defined free && ! defined _STDLIB_H && ]b4_c_modern[

 void free (void *); /* INFRINGES ON USER NAME SPACE */
 #   endif
 #  endif
 void free (void *); /* INFRINGES ON USER NAME SPACE */
 #   endif
 #  endif

-#  ifdef __cplusplus
-}
-#  endif

 # endif
 # endif

-#endif /* ! defined (yyoverflow) || YYERROR_VERBOSE */
+#endif /* ! defined yyoverflow || YYERROR_VERBOSE */

 
 
 
 

-#if (! defined (yyoverflow) \
-     && (! defined (__cplusplus) \
-        || (]b4_location_if([[defined (YYLTYPE_IS_TRIVIAL) && YYLTYPE_IS_TRIVIAL \
-             && ]])[defined (YYSTYPE_IS_TRIVIAL) && YYSTYPE_IS_TRIVIAL)))
+#if (! defined yyoverflow \
+     && (! defined __cplusplus \
+        || (]b4_location_if([[defined YYLTYPE_IS_TRIVIAL && YYLTYPE_IS_TRIVIAL \
+            && ]])[defined YYSTYPE_IS_TRIVIAL && YYSTYPE_IS_TRIVIAL)))

 
 /* A type that is properly aligned for any stack member.  */
 union yyalloc
 {
 
 /* A type that is properly aligned for any stack member.  */
 union yyalloc
 {

-  short int yyss;
+  yytype_int16 yyss;

   YYSTYPE yyvs;
   ]b4_location_if([  YYLTYPE yyls;
 ])dnl
   YYSTYPE yyvs;
   ]b4_location_if([  YYLTYPE yyls;
 ])dnl


@@ -363,16 +383,16 @@ union yyalloc
    N elements.  */
 ]b4_location_if(
 [# define YYSTACK_BYTES(N) \
    N elements.  */
 ]b4_location_if(
 [# define YYSTACK_BYTES(N) \

-     ((N) * (sizeof (short int) + sizeof (YYSTYPE) + sizeof (YYLTYPE)) \
+     ((N) * (sizeof (yytype_int16) + sizeof (YYSTYPE) + sizeof (YYLTYPE)) \

       + 2 * YYSTACK_GAP_MAXIMUM)],
 [# define YYSTACK_BYTES(N) \
       + 2 * YYSTACK_GAP_MAXIMUM)],
 [# define YYSTACK_BYTES(N) \

-     ((N) * (sizeof (short int) + sizeof (YYSTYPE))                    \
+     ((N) * (sizeof (yytype_int16) + sizeof (YYSTYPE)) \

       + YYSTACK_GAP_MAXIMUM)])[
 
 /* Copy COUNT objects from FROM to TO.  The source and destination do
    not overlap.  */
 # ifndef YYCOPY
       + YYSTACK_GAP_MAXIMUM)])[
 
 /* Copy COUNT objects from FROM to TO.  The source and destination do
    not overlap.  */
 # ifndef YYCOPY

-#  if defined (__GNUC__) && 1 < __GNUC__
+#  if defined __GNUC__ && 1 < __GNUC__

 #   define YYCOPY(To, From, Count) \
       __builtin_memcpy (To, From, (Count) * sizeof (*(From)))
 #  else
 #   define YYCOPY(To, From, Count) \
       __builtin_memcpy (To, From, (Count) * sizeof (*(From)))
 #  else


@@ -405,12 +425,6 @@ union yyalloc
 
 #endif
 
 
 #endif
 

-#if YYMODERN_C
-   typedef signed char yysigned_char;
-#else
-   typedef short int yysigned_char;
-#endif
-

 /* YYFINAL -- State number of the termination state.  */
 #define YYFINAL  ]b4_final_state_number[
 /* YYLAST -- Last index in YYTABLE.  */
 /* YYFINAL -- State number of the termination state.  */
 #define YYFINAL  ]b4_final_state_number[
 /* YYLAST -- Last index in YYTABLE.  */


@@ -613,8 +627,8 @@ while (YYID (0))
 # if YYLTYPE_IS_TRIVIAL
 #  define YY_LOCATION_PRINT(File, Loc)                 \
      fprintf (File, "%d.%d-%d.%d",                     \
 # if YYLTYPE_IS_TRIVIAL
 #  define YY_LOCATION_PRINT(File, Loc)                 \
      fprintf (File, "%d.%d-%d.%d",                     \

-              (Loc).first_line, (Loc).first_column,    \
-              (Loc).last_line,  (Loc).last_column)
+             (Loc).first_line, (Loc).first_column,     \
+             (Loc).last_line,  (Loc).last_column)

 # else
 #  define YY_LOCATION_PRINT(File, Loc) ((void) 0)
 # endif
 # else
 #  define YY_LOCATION_PRINT(File, Loc) ((void) 0)
 # endif


@@ -649,7 +663,7 @@ do {                                                                          \
     {                                                                    \
       YYFPRINTF (stderr, "%s ", Title);                                          \
       yy_symbol_print (stderr,                                           \
     {                                                                    \
       YYFPRINTF (stderr, "%s ", Title);                                          \
       yy_symbol_print (stderr,                                           \

-                  Type, Value]b4_location_if([, Location])[]b4_user_args[); \
+                 Type, Value]b4_location_if([, Location])[]b4_user_args[); \

       YYFPRINTF (stderr, "\n");                                                  \
     }                                                                    \
 } while (YYID (0))
       YYFPRINTF (stderr, "\n");                                                  \
     }                                                                    \
 } while (YYID (0))


@@ -662,8 +676,8 @@ do {                                                                          \
 `------------------------------------------------------------------*/
 
 ]b4_c_function_def([yy_stack_print], [static void],
 `------------------------------------------------------------------*/
 
 ]b4_c_function_def([yy_stack_print], [static void],

-                   [[short int *bottom], [bottom]],
-                   [[short int *top],    [top]])[
+                  [[yytype_int16 *bottom], [bottom]],
+                  [[yytype_int16 *top],    [top]])[

 {
   YYFPRINTF (stderr, "Stack now");
   for (; bottom <= top; ++bottom)
 {
   YYFPRINTF (stderr, "Stack now");
   for (; bottom <= top; ++bottom)


@@ -683,24 +697,24 @@ do {                                                              \
 `------------------------------------------------*/
 
 ]b4_c_function_def([yy_reduce_print], [static void],
 `------------------------------------------------*/
 
 ]b4_c_function_def([yy_reduce_print], [static void],

-                   [[YYSTYPE *yyvsp], [yyvsp]],
+                  [[YYSTYPE *yyvsp], [yyvsp]],

     b4_location_if([[[YYLTYPE *yylsp], [yylsp]],])
                   [[int yyrule], [yyrule]]m4_ifset([b4_parse_param], [,])
     b4_location_if([[[YYLTYPE *yylsp], [yylsp]],])
                   [[int yyrule], [yyrule]]m4_ifset([b4_parse_param], [,])

-                   b4_parse_param)[
+                  b4_parse_param)[

 {
   int yynrhs = yyr2[yyrule];
   int yyi;
   unsigned long int yylno = yyrline[yyrule];
   YYFPRINTF (stderr, "Reducing stack by rule %d (line %lu):\n",
 {
   int yynrhs = yyr2[yyrule];
   int yyi;
   unsigned long int yylno = yyrline[yyrule];
   YYFPRINTF (stderr, "Reducing stack by rule %d (line %lu):\n",

-             yyrule - 1, yylno);
+            yyrule - 1, yylno);

   /* The symbols being reduced.  */
   for (yyi = 0; yyi < yynrhs; yyi++)
     {
       fprintf (stderr, "   $%d = ", yyi + 1);
       yy_symbol_print (stderr, yyrhs[yyprhs[yyrule] + yyi],
   /* The symbols being reduced.  */
   for (yyi = 0; yyi < yynrhs; yyi++)
     {
       fprintf (stderr, "   $%d = ", yyi + 1);
       yy_symbol_print (stderr, yyrhs[yyprhs[yyrule] + yyi],

-                       &]b4_rhs_value(yynrhs, yyi + 1)[
-                       ]b4_location_if([, &]b4_rhs_location(yynrhs, yyi + 1))[]dnl
-                      b4_user_args[);
+                      &]b4_rhs_value(yynrhs, yyi + 1)[
+                      ]b4_location_if([, &]b4_rhs_location(yynrhs, yyi + 1))[]dnl
+                      b4_user_args[);

       fprintf (stderr, "\n");
     }
 }
       fprintf (stderr, "\n");
     }
 }


@@ -743,17 +757,12 @@ int yydebug;
 #if YYERROR_VERBOSE
 
 # ifndef yystrlen
 #if YYERROR_VERBOSE
 
 # ifndef yystrlen

-#  if defined (__GLIBC__) && defined (_STRING_H)
+#  if defined __GLIBC__ && defined _STRING_H

 #   define yystrlen strlen
 #  else
 /* Return the length of YYSTR.  */
 #   define yystrlen strlen
 #  else
 /* Return the length of YYSTR.  */

-static YYSIZE_T
-#   if YYMODERN_C
-yystrlen (const char *yystr)
-#   else
-yystrlen (yystr)
-     const char *yystr;
-#   endif
+]b4_c_function_def([yystrlen], [static YYSIZE_T],
+   [[const char *yystr], [yystr]])[

 {
   YYSIZE_T yylen;
   for (yylen = 0; yystr[yylen]; yylen++)
 {
   YYSIZE_T yylen;
   for (yylen = 0; yystr[yylen]; yylen++)


@@ -764,19 +773,13 @@ yystrlen (yystr)
 # endif
 
 # ifndef yystpcpy
 # endif
 
 # ifndef yystpcpy

-#  if defined (__GLIBC__) && defined (_STRING_H) && defined (_GNU_SOURCE)
+#  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.  */
 #   define yystpcpy stpcpy
 #  else
 /* Copy YYSRC to YYDEST, returning the address of the terminating '\0' in
    YYDEST.  */

-static char *
-#   if YYMODERN_C
-yystpcpy (char *yydest, const char *yysrc)
-#   else
-yystpcpy (yydest, yysrc)
-     char *yydest;
-     const char *yysrc;
-#   endif
+]b4_c_function_def([yystpcpy], [static char *],
+   [[char *yydest], [yydest]], [[const char *yysrc], [yysrc]])[

 {
   char *yyd = yydest;
   const char *yys = yysrc;
 {
   char *yyd = yydest;
   const char *yys = yysrc;


@@ -864,7 +867,7 @@ yysyntax_error (char *yyresult, int yystate, int yychar)
 
 # if 0
       /* This is so xgettext sees the translatable formats that are
 
 # if 0
       /* This is so xgettext sees the translatable formats that are

-         constructed on the fly.  */
+        constructed on the fly.  */

       YY_("syntax error, unexpected %s");
       YY_("syntax error, unexpected %s, expecting %s");
       YY_("syntax error, unexpected %s, expecting %s or %s");
       YY_("syntax error, unexpected %s");
       YY_("syntax error, unexpected %s, expecting %s");
       YY_("syntax error, unexpected %s, expecting %s or %s");


@@ -877,13 +880,13 @@ yysyntax_error (char *yyresult, int yystate, int yychar)
       static char const yyexpecting[] = ", expecting %s";
       static char const yyor[] = " or %s";
       char yyformat[sizeof yyunexpected
       static char const yyexpecting[] = ", expecting %s";
       static char const yyor[] = " or %s";
       char yyformat[sizeof yyunexpected

-                    + sizeof yyexpecting - 1
-                    + ((YYERROR_VERBOSE_ARGS_MAXIMUM - 2)
-                       * (sizeof yyor - 1))];
+                   + sizeof yyexpecting - 1
+                   + ((YYERROR_VERBOSE_ARGS_MAXIMUM - 2)
+                      * (sizeof yyor - 1))];

       char const *yyprefix = yyexpecting;
 
       /* Start YYX at -YYN if negative to avoid negative indexes in
       char const *yyprefix = yyexpecting;
 
       /* Start YYX at -YYN if negative to avoid negative indexes in

-         YYCHECK.  */
+        YYCHECK.  */

       int yyxbegin = yyn < 0 ? -yyn : 0;
 
       /* Stay within bounds of both yycheck and yytname.  */
       int yyxbegin = yyn < 0 ? -yyn : 0;
 
       /* Stay within bounds of both yycheck and yytname.  */


@@ -895,22 +898,22 @@ yysyntax_error (char *yyresult, int yystate, int yychar)
       yyfmt = yystpcpy (yyformat, yyunexpected);
 
       for (yyx = yyxbegin; yyx < yyxend; ++yyx)
       yyfmt = yystpcpy (yyformat, yyunexpected);
 
       for (yyx = yyxbegin; yyx < yyxend; ++yyx)

-        if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR)
-          {
-            if (yycount == YYERROR_VERBOSE_ARGS_MAXIMUM)
-              {
-                yycount = 1;
-                yysize = yysize0;
-                yyformat[sizeof yyunexpected - 1] = '\0';
-                break;
-              }
-            yyarg[yycount++] = yytname[yyx];
-            yysize1 = yysize + yytnamerr (0, yytname[yyx]);
-            yysize_overflow |= (yysize1 < yysize);
-            yysize = yysize1;
-            yyfmt = yystpcpy (yyfmt, yyprefix);
-            yyprefix = yyor;
-          }
+       if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR)
+         {
+           if (yycount == YYERROR_VERBOSE_ARGS_MAXIMUM)
+             {
+               yycount = 1;
+               yysize = yysize0;
+               yyformat[sizeof yyunexpected - 1] = '\0';
+               break;
+             }
+           yyarg[yycount++] = yytname[yyx];
+           yysize1 = yysize + yytnamerr (0, yytname[yyx]);
+           yysize_overflow |= (yysize1 < yysize);
+           yysize = yysize1;
+           yyfmt = yystpcpy (yyfmt, yyprefix);
+           yyprefix = yyor;
+         }

 
       yyf = YY_(yyformat);
       yysize1 = yysize + yystrlen (yyf);
 
       yyf = YY_(yyformat);
       yysize1 = yysize + yystrlen (yyf);


@@ -922,25 +925,25 @@ yysyntax_error (char *yyresult, int yystate, int yychar)
 
       if (yyresult)
        {
 
       if (yyresult)
        {

-          /* Avoid sprintf, as that infringes on the user's name space.
-             Don't have undefined behavior even if the translation
-             produced a string with the wrong number of "%s"s.  */
-          char *yyp = yyresult;
-          int yyi = 0;
-          while ((*yyp = *yyf) != '\0')
-            {
-              if (*yyp == '%' && yyf[1] == 's' && yyi < yycount)
-                {
-                  yyp += yytnamerr (yyp, yyarg[yyi++]);
-                  yyf += 2;
-                }
-              else
-                {
-                  yyp++;
-                  yyf++;
-                }
-            }
-        }
+         /* Avoid sprintf, as that infringes on the user's name space.
+            Don't have undefined behavior even if the translation
+            produced a string with the wrong number of "%s"s.  */
+         char *yyp = yyresult;
+         int yyi = 0;
+         while ((*yyp = *yyf) != '\0')
+           {
+             if (*yyp == '%' && yyf[1] == 's' && yyi < yycount)
+               {
+                 yyp += yytnamerr (yyp, yyarg[yyi++]);
+                 yyf += 2;
+               }
+             else
+               {
+                 yyp++;
+                 yyf++;
+               }
+           }
+       }

       return yysize;
     }
 }
       return yysize;
     }
 }


@@ -953,11 +956,8 @@ yysyntax_error (char *yyresult, int yystate, int yychar)
 /* Prevent warnings from -Wmissing-prototypes.  */
 
 #ifdef YYPARSE_PARAM
 /* Prevent warnings from -Wmissing-prototypes.  */
 
 #ifdef YYPARSE_PARAM

-# if YYMODERN_C
-int yyparse (void *YYPARSE_PARAM);
-# else
-int yyparse ();
-# endif
+]b4_c_function_decl([yyparse], [int],
+   [[void *YYPARSE_PARAM], [YYPARSE_PARAM]])[

 #else /* ! YYPARSE_PARAM */
 ]b4_c_function_decl([yyparse], [int], b4_parse_param)[
 #endif /* ! YYPARSE_PARAM */
 #else /* ! YYPARSE_PARAM */
 ]b4_c_function_decl([yyparse], [int], b4_parse_param)[
 #endif /* ! YYPARSE_PARAM */


@@ -983,7 +983,7 @@ YYLTYPE yylloc;])
 m4_divert_pop([KILL])dnl# ====================== End of M4 code.
 
 b4_pure_if([],
 m4_divert_pop([KILL])dnl# ====================== End of M4 code.
 
 b4_pure_if([],

-           [b4_declare_parser_variables])
+          [b4_declare_parser_variables])

 
 
 /*----------.
 
 
 /*----------.


@@ -991,12 +991,7 @@ b4_pure_if([],
 `----------*/
 
 #ifdef YYPARSE_PARAM
 `----------*/
 
 #ifdef YYPARSE_PARAM

-# if YYMODERN_C
-int yyparse (void *YYPARSE_PARAM)
-# else
-int yyparse (YYPARSE_PARAM)
-  void *YYPARSE_PARAM;
-# endif
+b4_c_function_def([yyparse], [int], [[void *YYPARSE_PARAM], [YYPARSE_PARAM]])

 #else /* ! YYPARSE_PARAM */
 b4_c_function_def([yyparse], [int], b4_parse_param)
 #endif
 #else /* ! YYPARSE_PARAM */
 b4_c_function_def([yyparse], [int], b4_parse_param)
 #endif


@@ -1025,9 +1020,9 @@ b4_c_function_def([yyparse], [int], b4_parse_param)
      to reallocate them elsewhere.  */
 
   /* The state stack.  */
      to reallocate them elsewhere.  */
 
   /* The state stack.  */

-  short int yyssa[YYINITDEPTH];
-  short int *yyss = yyssa;
-  short int *yyssp;
+  yytype_int16 yyssa[YYINITDEPTH];
+  yytype_int16 *yyss = yyssa;
+  yytype_int16 *yyssp;

 
   /* The semantic value stack.  */
   YYSTYPE yyvsa[YYINITDEPTH];
 
   /* The semantic value stack.  */
   YYSTYPE yyvsa[YYINITDEPTH];


@@ -1114,7 +1109,7 @@ m4_ifdef([b4_at_dollar_used], [[  yylsp[0] = yylloc;
           these so that the &'s don't force the real ones into
           memory.  */
        YYSTYPE *yyvs1 = yyvs;
           these so that the &'s don't force the real ones into
           memory.  */
        YYSTYPE *yyvs1 = yyvs;

-       short int *yyss1 = yyss;
+       yytype_int16 *yyss1 = yyss;

 ]b4_location_if([      YYLTYPE *yyls1 = yyls;])[
 
        /* Each stack pointer address is followed by the size of the
 ]b4_location_if([      YYLTYPE *yyls1 = yyls;])[
 
        /* Each stack pointer address is followed by the size of the


@@ -1142,7 +1137,7 @@ m4_ifdef([b4_at_dollar_used], [[  yylsp[0] = yylloc;
        yystacksize = YYMAXDEPTH;
 
       {
        yystacksize = YYMAXDEPTH;
 
       {

-       short int *yyss1 = yyss;
+       yytype_int16 *yyss1 = yyss;

        union yyalloc *yyptr =
          (union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize));
        if (! yyptr)
        union yyalloc *yyptr =
          (union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize));
        if (! yyptr)


@@ -1269,7 +1264,7 @@ yyreduce:
 
 ]b4_location_if(
 [[  /* Default location.  */
 
 ]b4_location_if(
 [[  /* Default location.  */

-  YYLLOC_DEFAULT (yyloc, yylsp - yylen, yylen);]])[
+  YYLLOC_DEFAULT (yyloc, (yylsp - yylen), yylen);]])[

   YY_REDUCE_PRINT (yyn);
   switch (yyn)
     {
   YY_REDUCE_PRINT (yyn);
   switch (yyn)
     {


@@ -1355,15 +1350,15 @@ yyerrlab:
         error, discard it.  */
 
       if (yychar <= YYEOF)
         error, discard it.  */
 
       if (yychar <= YYEOF)

-        {
+       {

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

-        }
+       }

       else
        {
          yydestruct ("Error: discarding",
       else
        {
          yydestruct ("Error: discarding",

-                      yytoken, &yylval]b4_location_if([, &yylloc])[]b4_user_args[);
+                     yytoken, &yylval]b4_location_if([, &yylloc])[]b4_user_args[);

          yychar = YYEMPTY;
        }
     }
          yychar = YYEMPTY;
        }
     }


@@ -1420,7 +1415,7 @@ yyerrlab1:
 
 ]b4_location_if([[      yyerror_range[0] = *yylsp;]])[
       yydestruct ("Error: popping",
 
 ]b4_location_if([[      yyerror_range[0] = *yylsp;]])[
       yydestruct ("Error: popping",

-                  yystos[yystate], yyvsp]b4_location_if([, yylsp])[]b4_user_args[);
+                 yystos[yystate], yyvsp]b4_location_if([, yylsp])[]b4_user_args[);

       YYPOPSTACK (1);
       yystate = *yyssp;
       YY_STACK_PRINT (yyss, yyssp);
       YYPOPSTACK (1);
       yystate = *yyssp;
       YY_STACK_PRINT (yyss, yyssp);


@@ -1434,7 +1429,7 @@ yyerrlab1:
   yyerror_range[1] = yylloc;
   /* Using YYLLOC is tempting, but would change the location of
      the look-ahead.  YYLOC is available though.  */
   yyerror_range[1] = yylloc;
   /* Using YYLLOC is tempting, but would change the location of
      the look-ahead.  YYLOC is available though.  */

-  YYLLOC_DEFAULT (yyloc, yyerror_range - 1, 2);
+  YYLLOC_DEFAULT (yyloc, (yyerror_range - 1), 2);

   *++yylsp = yyloc;]])[
 
   /* Shift the error token.  */
   *++yylsp = yyloc;]])[
 
   /* Shift the error token.  */


@@ -1507,9 +1502,9 @@ b4_copyright([Skeleton parser for Yacc-like parsing with Bison],
 
 b4_token_enums_defines(b4_tokens)
 
 
 b4_token_enums_defines(b4_tokens)
 

-#if ! defined (YYSTYPE) && ! defined (YYSTYPE_IS_DECLARED)
+#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED

 m4_ifdef([b4_stype],
 m4_ifdef([b4_stype],

-[typedef union m4_bregexp(b4_stype, [^{], [YYSTYPE ])
+[typedef union[]m4_bregexp(b4_stype, [^{], [ YYSTYPE])

 b4_stype
 /* Line __line__ of yacc.c.  */
 b4_syncline([@oline@], [@ofile@])
 b4_stype
 /* Line __line__ of yacc.c.  */
 b4_syncline([@oline@], [@ofile@])


@@ -1524,7 +1519,7 @@ b4_pure_if([],
 [extern YYSTYPE b4_prefix[]lval;])
 
 b4_location_if(
 [extern YYSTYPE b4_prefix[]lval;])
 
 b4_location_if(

-[#if ! defined (YYLTYPE) && ! defined (YYLTYPE_IS_DECLARED)
+[#if ! defined YYLTYPE && ! defined YYLTYPE_IS_DECLARED

 typedef struct YYLTYPE
 {
   int first_line;
 typedef struct YYLTYPE
 {
   int first_line;