Fix incorrect comment.

[bison.git] / src / parse-gram.c

diff --git a/src/parse-gram.c b/src/parse-gram.c
index 35492f567b79bff0ba73a04f22942f293879716a..b62ba6bb3468479e2bc3d273fcbb0dd599a7c9e5 100644 (file)
--- a/src/parse-gram.c
+++ b/src/parse-gram.c
@@ -1,4 +1,4 @@
-/* A Bison parser, made by GNU Bison 2.1.  */
+/* A Bison parser, made by GNU Bison 2.1a.  */

 
 /* Skeleton parser for Yacc-like parsing with Bison,
    Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
 
 /* Skeleton parser for Yacc-like parsing with Bison,
    Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.


@@ -37,7 +37,7 @@
 #define YYBISON 1
 
 /* Bison version.  */
 #define YYBISON 1
 
 /* Bison version.  */

-#define YYBISON_VERSION "2.1"
+#define YYBISON_VERSION "2.1a"

 
 /* Skeleton name.  */
 #define YYSKELETON_NAME "yacc.c"
 
 /* Skeleton name.  */
 #define YYSKELETON_NAME "yacc.c"


@@ -98,21 +98,22 @@
      PERCENT_OUTPUT = 288,
      PERCENT_PARSE_PARAM = 289,
      PERCENT_PURE_PARSER = 290,
      PERCENT_OUTPUT = 288,
      PERCENT_PARSE_PARAM = 289,
      PERCENT_PURE_PARSER = 290,

-     PERCENT_SKELETON = 291,
-     PERCENT_START = 292,
-     PERCENT_TOKEN_TABLE = 293,
-     PERCENT_VERBOSE = 294,
-     PERCENT_YACC = 295,
-     TYPE = 296,
-     EQUAL = 297,
-     SEMICOLON = 298,
-     PIPE = 299,
-     ID = 300,
-     ID_COLON = 301,
-     PERCENT_PERCENT = 302,
-     PROLOGUE = 303,
-     EPILOGUE = 304,
-     BRACED_CODE = 305
+     PERCENT_REQUIRE = 291,
+     PERCENT_SKELETON = 292,
+     PERCENT_START = 293,
+     PERCENT_TOKEN_TABLE = 294,
+     PERCENT_VERBOSE = 295,
+     PERCENT_YACC = 296,
+     TYPE = 297,
+     EQUAL = 298,
+     SEMICOLON = 299,
+     PIPE = 300,
+     ID = 301,
+     ID_COLON = 302,
+     PERCENT_PERCENT = 303,
+     PROLOGUE = 304,
+     EPILOGUE = 305,
+     BRACED_CODE = 306

    };
 #endif
 /* Tokens.  */
    };
 #endif
 /* Tokens.  */


@@ -150,27 +151,28 @@
 #define PERCENT_OUTPUT 288
 #define PERCENT_PARSE_PARAM 289
 #define PERCENT_PURE_PARSER 290
 #define PERCENT_OUTPUT 288
 #define PERCENT_PARSE_PARAM 289
 #define PERCENT_PURE_PARSER 290

-#define PERCENT_SKELETON 291
-#define PERCENT_START 292
-#define PERCENT_TOKEN_TABLE 293
-#define PERCENT_VERBOSE 294
-#define PERCENT_YACC 295
-#define TYPE 296
-#define EQUAL 297
-#define SEMICOLON 298
-#define PIPE 299
-#define ID 300
-#define ID_COLON 301
-#define PERCENT_PERCENT 302
-#define PROLOGUE 303
-#define EPILOGUE 304
-#define BRACED_CODE 305
+#define PERCENT_REQUIRE 291
+#define PERCENT_SKELETON 292
+#define PERCENT_START 293
+#define PERCENT_TOKEN_TABLE 294
+#define PERCENT_VERBOSE 295
+#define PERCENT_YACC 296
+#define TYPE 297
+#define EQUAL 298
+#define SEMICOLON 299
+#define PIPE 300
+#define ID 301
+#define ID_COLON 302
+#define PERCENT_PERCENT 303
+#define PROLOGUE 304
+#define EPILOGUE 305
+#define BRACED_CODE 306

 
 
 
 
 /* Copy the first part of user declarations.  */
 
 
 
 
 /* Copy the first part of user declarations.  */

-#line 1 "parse-gram.y"
+#line 1 "../../src/parse-gram.y"

 /* Bison Grammar Parser                             -*- C -*-
 
    Copyright (C) 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
 /* Bison Grammar Parser                             -*- C -*-
 
    Copyright (C) 2002, 2003, 2004, 2005 Free Software Foundation, Inc.


@@ -205,6 +207,7 @@
 #include "quotearg.h"
 #include "reader.h"
 #include "symlist.h"
 #include "quotearg.h"
 #include "reader.h"
 #include "symlist.h"

+#include "strverscmp.h"

 
 #define YYLLOC_DEFAULT(Current, Rhs, N)  (Current) = lloc_default (Rhs, N)
 static YYLTYPE lloc_default (YYLTYPE const *, int);
 
 #define YYLLOC_DEFAULT(Current, Rhs, N)  (Current) = lloc_default (Rhs, N)
 static YYLTYPE lloc_default (YYLTYPE const *, int);


@@ -212,6 +215,8 @@ static YYLTYPE lloc_default (YYLTYPE const *, int);
 #define YY_LOCATION_PRINT(File, Loc) \
           location_print (File, Loc)
 
 #define YY_LOCATION_PRINT(File, Loc) \
           location_print (File, Loc)
 

+static void version_check (location const *loc, char const *version);
+

 /* Request detailed syntax error messages, and pass them to GRAM_ERROR.
    FIXME: depends on the undocumented availability of YYLLOC.  */
 #undef  yyerror
 /* Request detailed syntax error messages, and pass them to GRAM_ERROR.
    FIXME: depends on the undocumented availability of YYLLOC.  */
 #undef  yyerror


@@ -248,7 +253,7 @@ static int current_prec = 0;
 #endif
 
 #if ! defined (YYSTYPE) && ! defined (YYSTYPE_IS_DECLARED)
 #endif
 
 #if ! defined (YYSTYPE) && ! defined (YYSTYPE_IS_DECLARED)

-#line 79 "parse-gram.y"
+#line 82 "../../src/parse-gram.y"

 typedef union YYSTYPE {
   symbol *symbol;
   symbol_list *list;
 typedef union YYSTYPE {
   symbol *symbol;
   symbol_list *list;


@@ -258,7 +263,7 @@ typedef union YYSTYPE {
   uniqstr uniqstr;
 } YYSTYPE;
 /* Line 196 of yacc.c.  */
   uniqstr uniqstr;
 } YYSTYPE;
 /* Line 196 of yacc.c.  */

-#line 262 "parse-gram.c"
+#line 267 "../../src/parse-gram.c"

 # define yystype YYSTYPE /* obsolescent; will be withdrawn */
 # define YYSTYPE_IS_DECLARED 1
 # define YYSTYPE_IS_TRIVIAL 1
 # define yystype YYSTYPE /* obsolescent; will be withdrawn */
 # define YYSTYPE_IS_DECLARED 1
 # define YYSTYPE_IS_TRIVIAL 1


@@ -282,22 +287,36 @@ typedef struct YYLTYPE
 
 
 /* Line 219 of yacc.c.  */
 
 
 /* Line 219 of yacc.c.  */

-#line 286 "parse-gram.c"
-
-#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) && (defined (__STDC__) || defined (__cplusplus))
-# include <stddef.h> /* INFRINGES ON USER NAME SPACE */
-# define YYSIZE_T size_t
+#line 291 "../../src/parse-gram.c"
+
+/* 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

 #endif
 #endif

-#if ! defined (YYSIZE_T)
-# define YYSIZE_T unsigned int
+
+#ifndef YYSIZE_T
+# if defined (__SIZE_TYPE__)
+#  define YYSIZE_T __SIZE_TYPE__
+# elif defined (size_t)
+#  define YYSIZE_T size_t
+# elif ! defined (YYSIZE_T) && YYMODERN_C
+#  include <stddef.h> /* INFRINGES ON USER NAME SPACE */
+#  define YYSIZE_T size_t
+# else
+#  define YYSIZE_T unsigned int
+# endif

 #endif
 
 #endif
 

+#define YYSIZE_MAXIMUM ((YYSIZE_T) -1)
+

 #ifndef YY_
 # if YYENABLE_NLS
 #  if ENABLE_NLS
 #ifndef YY_
 # if YYENABLE_NLS
 #  if ENABLE_NLS


@@ -310,6 +329,9 @@ typedef struct YYLTYPE
 # endif
 #endif
 
 # endif
 #endif
 

+/* Suppress unused-variable warnings by "using" E.  */
+#define YYUSE(e) do {;} while (/*CONSTCOND*/ 0 && (e))
+

 #if ! defined (yyoverflow) || YYERROR_VERBOSE
 
 /* The parser invokes alloca or malloc; define the necessary symbols.  */
 #if ! defined (yyoverflow) || YYERROR_VERBOSE
 
 /* The parser invokes alloca or malloc; define the necessary symbols.  */


@@ -318,11 +340,20 @@ typedef struct YYLTYPE
 #  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)
+#    include <alloca.h> /* INFRINGES ON USER NAME SPACE */
+#   elif defined (_AIX)
+#    define YYSTACK_ALLOC __alloca
+#   elif defined (_MSC_VER)
+#    include <malloc.h> /* INFRINGES ON USER NAME SPACE */
+#    define alloca _alloca

 #   else
 #    define YYSTACK_ALLOC alloca
 #   else
 #    define YYSTACK_ALLOC alloca

-#    if defined (__STDC__) || defined (__cplusplus)
+#    if ! defined (_ALLOCA_H) && ! defined (_STDLIB_H) && YYMODERN_C

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

-#     define YYINCLUDED_STDLIB_H
+#     ifndef _STDLIB_H
+#      define _STDLIB_H 1
+#     endif

 #    endif
 #   endif
 #  endif
 #    endif
 #   endif
 #  endif


@@ -342,22 +373,20 @@ typedef struct YYLTYPE
 #  define YYSTACK_ALLOC YYMALLOC
 #  define YYSTACK_FREE YYFREE
 #  ifndef YYSTACK_ALLOC_MAXIMUM
 #  define YYSTACK_ALLOC YYMALLOC
 #  define YYSTACK_FREE YYFREE
 #  ifndef YYSTACK_ALLOC_MAXIMUM

-#   define YYSTACK_ALLOC_MAXIMUM ((YYSIZE_T) -1)
+#   define YYSTACK_ALLOC_MAXIMUM YYSIZE_MAXIMUM

 #  endif
 #  ifdef __cplusplus
 extern "C" {
 #  endif
 #  ifndef YYMALLOC
 #   define YYMALLOC malloc
 #  endif
 #  ifdef __cplusplus
 extern "C" {
 #  endif
 #  ifndef YYMALLOC
 #   define YYMALLOC malloc

-#   if (! defined (malloc) && ! defined (YYINCLUDED_STDLIB_H) \
-       && (defined (__STDC__) || defined (__cplusplus)))
+#   if ! defined (malloc) && ! defined (_STDLIB_H) && YYMODERN_C

 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 (YYINCLUDED_STDLIB_H) \
-       && (defined (__STDC__) || defined (__cplusplus)))
+#   if ! defined (free) && ! defined (_STDLIB_H)  && YYMODERN_C

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


@@ -404,7 +433,7 @@ union yyalloc
          for (yyi = 0; yyi < (Count); yyi++)   \
            (To)[yyi] = (From)[yyi];            \
        }                                       \
          for (yyi = 0; yyi < (Count); yyi++)   \
            (To)[yyi] = (From)[yyi];            \
        }                                       \

-      while (0)
+      while (/*CONSTCOND*/ 0)

 #  endif
 # endif
 
 #  endif
 # endif
 


@@ -422,11 +451,11 @@ union yyalloc
        yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \
        yyptr += yynewbytes / sizeof (*yyptr);                          \
       }                                                                        \
        yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \
        yyptr += yynewbytes / sizeof (*yyptr);                          \
       }                                                                        \

-    while (0)
+    while (/*CONSTCOND*/ 0)

 
 #endif
 
 
 #endif
 

-#if defined (__STDC__) || defined (__cplusplus)
+#if YYMODERN_C

    typedef signed char yysigned_char;
 #else
    typedef short int yysigned_char;
    typedef signed char yysigned_char;
 #else
    typedef short int yysigned_char;


@@ -435,20 +464,20 @@ union yyalloc
 /* YYFINAL -- State number of the termination state. */
 #define YYFINAL  3
 /* YYLAST -- Last index in YYTABLE.  */
 /* YYFINAL -- State number of the termination state. */
 #define YYFINAL  3
 /* YYLAST -- Last index in YYTABLE.  */

-#define YYLAST   158
+#define YYLAST   161

 
 /* YYNTOKENS -- Number of terminals. */
 
 /* YYNTOKENS -- Number of terminals. */

-#define YYNTOKENS  51
+#define YYNTOKENS  52

 /* YYNNTS -- Number of nonterminals. */
 #define YYNNTS  25
 /* YYNRULES -- Number of rules. */
 /* YYNNTS -- Number of nonterminals. */
 #define YYNNTS  25
 /* YYNRULES -- Number of rules. */

-#define YYNRULES  79
+#define YYNRULES  81

 /* YYNRULES -- Number of states. */
 /* YYNRULES -- Number of states. */

-#define YYNSTATES  108
+#define YYNSTATES  110

 
 /* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX.  */
 #define YYUNDEFTOK  2
 
 /* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX.  */
 #define YYUNDEFTOK  2

-#define YYMAXUTOK   305
+#define YYMAXUTOK   306

 
 #define YYTRANSLATE(YYX)                                               \
   ((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK)
 
 #define YYTRANSLATE(YYX)                                               \
   ((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK)


@@ -486,7 +515,7 @@ static const unsigned char yytranslate[] =
       15,    16,    17,    18,    19,    20,    21,    22,    23,    24,
       25,    26,    27,    28,    29,    30,    31,    32,    33,    34,
       35,    36,    37,    38,    39,    40,    41,    42,    43,    44,
       15,    16,    17,    18,    19,    20,    21,    22,    23,    24,
       25,    26,    27,    28,    29,    30,    31,    32,    33,    34,
       35,    36,    37,    38,    39,    40,    41,    42,    43,    44,

-      45,    46,    47,    48,    49,    50
+      45,    46,    47,    48,    49,    50,    51

 };
 
 #if YYDEBUG
 };
 
 #if YYDEBUG


@@ -494,53 +523,55 @@ static const unsigned char yytranslate[] =
    YYRHS.  */
 static const unsigned char yyprhs[] =
 {
    YYRHS.  */
 static const unsigned char yyprhs[] =
 {

-       0,     0,     3,     8,     9,    12,    14,    16,    18,    22,
-      24,    26,    29,    32,    36,    38,    40,    42,    44,    48,
-      50,    52,    56,    58,    60,    63,    65,    67,    69,    71,
-      73,    75,    78,    80,    83,    86,    88,    90,    91,    95,
-      96,   100,   104,   108,   110,   112,   114,   115,   117,   119,
-     122,   124,   126,   129,   132,   136,   138,   141,   143,   146,
-     148,   151,   154,   155,   159,   161,   165,   168,   169,   172,
-     175,   179,   183,   187,   189,   191,   193,   195,   197,   198
+       0,     0,     3,     8,     9,    12,    14,    16,    18,    21,
+      25,    27,    29,    32,    35,    39,    41,    43,    45,    47,
+      51,    53,    55,    59,    61,    63,    66,    69,    71,    73,
+      75,    77,    79,    81,    84,    86,    89,    92,    94,    96,
+      97,   101,   102,   106,   110,   114,   116,   118,   120,   121,
+     123,   125,   128,   130,   132,   135,   138,   142,   144,   147,
+     149,   152,   154,   157,   160,   161,   165,   167,   171,   174,
+     175,   178,   181,   185,   189,   193,   195,   197,   199,   201,
+     203,   204

 };
 
 /* YYRHS -- A `-1'-separated list of the rules' RHS. */
 static const yysigned_char yyrhs[] =
 {
 };
 
 /* YYRHS -- A `-1'-separated list of the rules' RHS. */
 static const yysigned_char yyrhs[] =
 {

-      52,     0,    -1,    53,    47,    65,    75,    -1,    -1,    53,
-      54,    -1,    55,    -1,    48,    -1,    17,    -1,    19,    74,
-      74,    -1,    20,    -1,    21,    -1,    22,     4,    -1,    23,
-       4,    -1,    24,    42,    74,    -1,    25,    -1,    26,    -1,
-      27,    -1,    28,    -1,    29,    42,    74,    -1,    31,    -1,
-      32,    -1,    33,    42,    74,    -1,    34,    -1,    35,    -1,
-      36,    74,    -1,    38,    -1,    39,    -1,    40,    -1,    43,
-      -1,    59,    -1,    56,    -1,    37,    71,    -1,    10,    -1,
-       8,    62,    -1,     9,    62,    -1,    18,    -1,    30,    -1,
-      -1,     6,    57,    64,    -1,    -1,     5,    58,    64,    -1,
-       7,    41,    62,    -1,    60,    61,    62,    -1,    11,    -1,
-      12,    -1,    13,    -1,    -1,    41,    -1,    71,    -1,    62,
-      71,    -1,    41,    -1,    45,    -1,    45,     4,    -1,    45,
-      73,    -1,    45,     4,    73,    -1,    63,    -1,    64,    63,
-      -1,    66,    -1,    65,    66,    -1,    67,    -1,    55,    43,
-      -1,     1,    43,    -1,    -1,    46,    68,    69,    -1,    70,
-      -1,    69,    44,    70,    -1,    69,    43,    -1,    -1,    70,
-      71,    -1,    70,    72,    -1,    70,    14,    71,    -1,    70,
-      15,     4,    -1,    70,    16,    41,    -1,    45,    -1,    73,
-      -1,    50,    -1,     3,    -1,     3,    -1,    -1,    47,    49,
-      -1
+      53,     0,    -1,    54,    48,    66,    76,    -1,    -1,    54,
+      55,    -1,    56,    -1,    49,    -1,    17,    -1,    19,    75,
+      -1,    19,    75,    75,    -1,    20,    -1,    21,    -1,    22,
+       4,    -1,    23,     4,    -1,    24,    43,    75,    -1,    25,
+      -1,    26,    -1,    27,    -1,    28,    -1,    29,    43,    75,
+      -1,    31,    -1,    32,    -1,    33,    43,    75,    -1,    34,
+      -1,    35,    -1,    36,    75,    -1,    37,    75,    -1,    39,
+      -1,    40,    -1,    41,    -1,    44,    -1,    60,    -1,    57,
+      -1,    38,    72,    -1,    10,    -1,     8,    63,    -1,     9,
+      63,    -1,    18,    -1,    30,    -1,    -1,     6,    58,    65,
+      -1,    -1,     5,    59,    65,    -1,     7,    42,    63,    -1,
+      61,    62,    63,    -1,    11,    -1,    12,    -1,    13,    -1,
+      -1,    42,    -1,    72,    -1,    63,    72,    -1,    42,    -1,
+      46,    -1,    46,     4,    -1,    46,    74,    -1,    46,     4,
+      74,    -1,    64,    -1,    65,    64,    -1,    67,    -1,    66,
+      67,    -1,    68,    -1,    56,    44,    -1,     1,    44,    -1,
+      -1,    47,    69,    70,    -1,    71,    -1,    70,    45,    71,
+      -1,    70,    44,    -1,    -1,    71,    72,    -1,    71,    73,
+      -1,    71,    14,    72,    -1,    71,    15,     4,    -1,    71,
+      16,    42,    -1,    46,    -1,    74,    -1,    51,    -1,     3,
+      -1,     3,    -1,    -1,    48,    50,    -1

 };
 
 /* YYRLINE[YYN] -- source line where rule number YYN was defined.  */
 static const unsigned short int yyrline[] =
 {
 };
 
 /* YYRLINE[YYN] -- source line where rule number YYN was defined.  */
 static const unsigned short int yyrline[] =
 {

-       0,   188,   188,   196,   198,   202,   203,   204,   205,   206,
-     207,   208,   209,   210,   211,   216,   220,   221,   222,   223,
-     224,   225,   226,   227,   228,   229,   230,   231,   232,   236,
-     237,   238,   242,   248,   255,   262,   266,   273,   273,   278,
-     278,   283,   293,   308,   309,   310,   314,   315,   321,   322,
-     327,   331,   336,   342,   348,   359,   360,   369,   370,   376,
-     377,   382,   389,   389,   393,   394,   395,   400,   401,   403,
-     405,   407,   409,   414,   415,   419,   425,   434,   439,   441
+       0,   192,   192,   200,   202,   206,   207,   208,   209,   210,
+     211,   212,   213,   214,   215,   216,   221,   225,   226,   227,
+     228,   229,   230,   231,   232,   233,   234,   235,   236,   237,
+     238,   242,   243,   244,   248,   254,   261,   268,   272,   279,
+     279,   284,   284,   289,   299,   314,   315,   316,   320,   321,
+     327,   328,   333,   337,   342,   348,   354,   365,   366,   375,
+     376,   382,   383,   388,   395,   395,   399,   400,   401,   406,
+     407,   409,   411,   413,   415,   420,   421,   425,   431,   440,
+     445,   447

 };
 #endif
 
 };
 #endif
 


@@ -558,15 +589,16 @@ static const char *const yytname[] =
   "\"%initial-action {...}\"", "\"%lex-param {...}\"", "\"%locations\"",
   "\"%name-prefix\"", "\"%no-default-prec\"", "\"%no-lines\"",
   "\"%nondeterministic-parser\"", "\"%output\"", "\"%parse-param {...}\"",
   "\"%initial-action {...}\"", "\"%lex-param {...}\"", "\"%locations\"",
   "\"%name-prefix\"", "\"%no-default-prec\"", "\"%no-lines\"",
   "\"%nondeterministic-parser\"", "\"%output\"", "\"%parse-param {...}\"",

-  "\"%pure-parser\"", "\"%skeleton\"", "\"%start\"", "\"%token-table\"",
-  "\"%verbose\"", "\"%yacc\"", "\"type\"", "\"=\"", "\";\"", "\"|\"",
-  "\"identifier\"", "\"identifier:\"", "\"%%\"", "\"%{...%}\"",
-  "\"epilogue\"", "\"{...}\"", "$accept", "input", "declarations",
-  "declaration", "grammar_declaration", "symbol_declaration", "@1", "@2",
-  "precedence_declaration", "precedence_declarator", "type.opt",
-  "symbols.1", "symbol_def", "symbol_defs.1", "grammar",
-  "rules_or_grammar_declaration", "rules", "@3", "rhses.1", "rhs",
-  "symbol", "action", "string_as_id", "string_content", "epilogue.opt", 0
+  "\"%pure-parser\"", "\"%require\"", "\"%skeleton\"", "\"%start\"",
+  "\"%token-table\"", "\"%verbose\"", "\"%yacc\"", "\"type\"", "\"=\"",
+  "\";\"", "\"|\"", "\"identifier\"", "\"identifier:\"", "\"%%\"",
+  "\"%{...%}\"", "\"epilogue\"", "\"{...}\"", "$accept", "input",
+  "declarations", "declaration", "grammar_declaration",
+  "symbol_declaration", "@1", "@2", "precedence_declaration",
+  "precedence_declarator", "type.opt", "symbols.1", "symbol_def",
+  "symbol_defs.1", "grammar", "rules_or_grammar_declaration", "rules",
+  "@3", "rhses.1", "rhs", "symbol", "action", "string_as_id",
+  "string_content", "epilogue.opt", 0

 };
 #endif
 
 };
 #endif
 


@@ -580,34 +612,36 @@ static const unsigned short int yytoknum[] =
      275,   276,   277,   278,   279,   280,   281,   282,   283,   284,
      285,   286,   287,   288,   289,   290,   291,   292,   293,   294,
      295,   296,   297,   298,   299,   300,   301,   302,   303,   304,
      275,   276,   277,   278,   279,   280,   281,   282,   283,   284,
      285,   286,   287,   288,   289,   290,   291,   292,   293,   294,
      295,   296,   297,   298,   299,   300,   301,   302,   303,   304,

-     305
+     305,   306

 };
 # endif
 
 /* YYR1[YYN] -- Symbol number of symbol that rule YYN derives.  */
 static const unsigned char yyr1[] =
 {
 };
 # endif
 
 /* YYR1[YYN] -- Symbol number of symbol that rule YYN derives.  */
 static const unsigned char yyr1[] =
 {

-       0,    51,    52,    53,    53,    54,    54,    54,    54,    54,
-      54,    54,    54,    54,    54,    54,    54,    54,    54,    54,
-      54,    54,    54,    54,    54,    54,    54,    54,    54,    55,
-      55,    55,    55,    55,    55,    55,    55,    57,    56,    58,
-      56,    56,    59,    60,    60,    60,    61,    61,    62,    62,
-      63,    63,    63,    63,    63,    64,    64,    65,    65,    66,
-      66,    66,    68,    67,    69,    69,    69,    70,    70,    70,
-      70,    70,    70,    71,    71,    72,    73,    74,    75,    75
+       0,    52,    53,    54,    54,    55,    55,    55,    55,    55,
+      55,    55,    55,    55,    55,    55,    55,    55,    55,    55,
+      55,    55,    55,    55,    55,    55,    55,    55,    55,    55,
+      55,    56,    56,    56,    56,    56,    56,    56,    56,    58,
+      57,    59,    57,    57,    60,    61,    61,    61,    62,    62,
+      63,    63,    64,    64,    64,    64,    64,    65,    65,    66,
+      66,    67,    67,    67,    69,    68,    70,    70,    70,    71,
+      71,    71,    71,    71,    71,    72,    72,    73,    74,    75,
+      76,    76

 };
 
 /* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN.  */
 static const unsigned char yyr2[] =
 {
 };
 
 /* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN.  */
 static const unsigned char yyr2[] =
 {

-       0,     2,     4,     0,     2,     1,     1,     1,     3,     1,
-       1,     2,     2,     3,     1,     1,     1,     1,     3,     1,
-       1,     3,     1,     1,     2,     1,     1,     1,     1,     1,
-       1,     2,     1,     2,     2,     1,     1,     0,     3,     0,
-       3,     3,     3,     1,     1,     1,     0,     1,     1,     2,
-       1,     1,     2,     2,     3,     1,     2,     1,     2,     1,
-       2,     2,     0,     3,     1,     3,     2,     0,     2,     2,
-       3,     3,     3,     1,     1,     1,     1,     1,     0,     2
+       0,     2,     4,     0,     2,     1,     1,     1,     2,     3,
+       1,     1,     2,     2,     3,     1,     1,     1,     1,     3,
+       1,     1,     3,     1,     1,     2,     2,     1,     1,     1,
+       1,     1,     1,     2,     1,     2,     2,     1,     1,     0,
+       3,     0,     3,     3,     3,     1,     1,     1,     0,     1,
+       1,     2,     1,     1,     2,     2,     3,     1,     2,     1,
+       2,     1,     2,     2,     0,     3,     1,     3,     2,     0,
+       2,     2,     3,     3,     3,     1,     1,     1,     1,     1,
+       0,     2

 };
 
 /* YYDEFACT[STATE-NAME] -- Default rule to reduce with in state
 };
 
 /* YYDEFACT[STATE-NAME] -- Default rule to reduce with in state


@@ -615,113 +649,115 @@ static const unsigned char yyr2[] =
    means the default is an error.  */
 static const unsigned char yydefact[] =
 {
    means the default is an error.  */
 static const unsigned char yydefact[] =
 {

-       3,     0,     0,     1,    39,    37,     0,     0,     0,    32,
-      43,    44,    45,     7,    35,     0,     9,    10,     0,     0,
-       0,    14,    15,    16,    17,     0,    36,    19,    20,     0,
-      22,    23,     0,     0,    25,    26,    27,    28,     0,     6,
-       4,     5,    30,    29,    46,     0,     0,     0,    76,    73,
-      33,    48,    74,    34,    77,     0,    11,    12,     0,     0,
-       0,    24,    31,     0,    62,     0,     0,    57,    59,    47,
-       0,    50,    51,    55,    40,    38,    41,    49,     8,    13,
-      18,    21,    61,    67,    60,     0,    58,     2,    42,    52,
-      53,    56,    63,    64,    79,    54,    66,    67,     0,     0,
-       0,    75,    68,    69,    65,    70,    71,    72
+       3,     0,     0,     1,    41,    39,     0,     0,     0,    34,
+      45,    46,    47,     7,    37,     0,    10,    11,     0,     0,
+       0,    15,    16,    17,    18,     0,    38,    20,    21,     0,
+      23,    24,     0,     0,     0,    27,    28,    29,    30,     0,
+       6,     4,     5,    32,    31,    48,     0,     0,     0,    78,
+      75,    35,    50,    76,    36,    79,     8,    12,    13,     0,
+       0,     0,    25,    26,    33,     0,    64,     0,     0,    59,
+      61,    49,     0,    52,    53,    57,    42,    40,    43,    51,
+       9,    14,    19,    22,    63,    69,    62,     0,    60,     2,
+      44,    54,    55,    58,    65,    66,    81,    56,    68,    69,
+       0,     0,     0,    77,    70,    71,    67,    72,    73,    74

 };
 
 /* YYDEFGOTO[NTERM-NUM]. */
 static const yysigned_char yydefgoto[] =
 {
 };
 
 /* YYDEFGOTO[NTERM-NUM]. */
 static const yysigned_char yydefgoto[] =
 {

-      -1,     1,     2,    40,    65,    42,    46,    45,    43,    44,
-      70,    50,    73,    74,    66,    67,    68,    83,    92,    93,
-      51,   103,    52,    55,    87
+      -1,     1,     2,    41,    67,    43,    47,    46,    44,    45,
+      72,    51,    75,    76,    68,    69,    70,    85,    94,    95,
+      52,   105,    53,    56,    89

 };
 
 /* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing
    STATE-NUM.  */
 };
 
 /* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing
    STATE-NUM.  */

-#define YYPACT_NINF -67
+#define YYPACT_NINF -69

 static const yysigned_char yypact[] =
 {
 static const yysigned_char yypact[] =
 {

-     -67,     5,   110,   -67,   -67,   -67,   -34,     0,     0,   -67,
-     -67,   -67,   -67,   -67,   -67,    13,   -67,   -67,    20,    31,
-     -17,   -67,   -67,   -67,   -67,    -6,   -67,   -67,   -67,    -5,
-     -67,   -67,    13,     0,   -67,   -67,   -67,   -67,    68,   -67,
-     -67,   -67,   -67,   -67,    -3,   -37,   -37,     0,   -67,   -67,
-       0,   -67,   -67,     0,   -67,    13,   -67,   -67,    13,    13,
-      13,   -67,   -67,    -2,   -67,     3,    21,   -67,   -67,   -67,
-       0,   -67,     6,   -67,   -37,   -37,     0,   -67,   -67,   -67,
-     -67,   -67,   -67,   -67,   -67,     1,   -67,   -67,     0,    39,
-     -67,   -67,   -32,    -1,   -67,   -67,   -67,   -67,     0,    43,
-       7,   -67,   -67,   -67,    -1,   -67,   -67,   -67
+     -69,     5,   112,   -69,   -69,   -69,   -35,     0,     0,   -69,
+     -69,   -69,   -69,   -69,   -69,    13,   -69,   -69,    20,    31,
+     -18,   -69,   -69,   -69,   -69,    -6,   -69,   -69,   -69,    -5,
+     -69,   -69,    13,    13,     0,   -69,   -69,   -69,   -69,    69,
+     -69,   -69,   -69,   -69,   -69,    -2,   -38,   -38,     0,   -69,
+     -69,     0,   -69,   -69,     0,   -69,    13,   -69,   -69,    13,
+      13,    13,   -69,   -69,   -69,    -8,   -69,     3,    21,   -69,
+     -69,   -69,     0,   -69,     6,   -69,   -38,   -38,     0,   -69,
+     -69,   -69,   -69,   -69,   -69,   -69,   -69,     2,   -69,   -69,
+       0,    39,   -69,   -69,   -33,    -1,   -69,   -69,   -69,   -69,
+       0,    44,     1,   -69,   -69,   -69,    -1,   -69,   -69,   -69

 };
 
 /* YYPGOTO[NTERM-NUM].  */
 static const yysigned_char yypgoto[] =
 {
 };
 
 /* YYPGOTO[NTERM-NUM].  */
 static const yysigned_char yypgoto[] =
 {

-     -67,   -67,   -67,   -67,    50,   -67,   -67,   -67,   -67,   -67,
-     -67,    -7,   -56,     8,   -67,   -13,   -67,   -67,   -67,   -41,
-     -33,   -67,   -66,    29,   -67
+     -69,   -69,   -69,   -69,    47,   -69,   -69,   -69,   -69,   -69,
+     -69,    -7,   -58,     7,   -69,   -15,   -69,   -69,   -69,   -44,
+     -34,   -69,   -68,    30,   -69

 };
 
 /* YYTABLE[YYPACT[STATE-NUM]].  What to do in state STATE-NUM.  If
    positive, shift that token.  If negative, reduce the rule which
    number is the opposite.  If zero, do what YYDEFACT says.
    If YYTABLE_NINF, syntax error.  */
 };
 
 /* YYTABLE[YYPACT[STATE-NUM]].  What to do in state STATE-NUM.  If
    positive, shift that token.  If negative, reduce the rule which
    number is the opposite.  If zero, do what YYDEFACT says.
    If YYTABLE_NINF, syntax error.  */

-#define YYTABLE_NINF -79
+#define YYTABLE_NINF -81

 static const yysigned_char yytable[] =
 {
 static const yysigned_char yytable[] =
 {

-      62,    53,    48,    48,    71,     3,    90,    47,    72,    48,
-      89,    96,    97,    98,    99,   100,    54,    77,    91,    91,
-      77,   -78,    63,    95,    56,    58,     4,     5,     6,     7,
-       8,     9,    10,    11,    12,    57,    59,    60,    69,    14,
-      76,    82,    48,    77,    49,    49,    84,   106,   107,   101,
-      94,    26,    41,    86,    75,    77,   104,     0,    33,     0,
-     102,    61,     0,    88,     0,   105,     0,    64,    85,    63,
-       0,   102,     0,     4,     5,     6,     7,     8,     9,    10,
-      11,    12,     0,     0,    78,     0,    14,    79,    80,    81,
-       0,     0,     0,     0,     0,     0,     0,     0,    26,     0,
-       0,     0,     0,     0,     0,    33,     0,     0,     0,     0,
-       0,     0,     0,     0,    64,     4,     5,     6,     7,     8,
-       9,    10,    11,    12,     0,     0,     0,    13,    14,    15,
-      16,    17,    18,    19,    20,    21,    22,    23,    24,    25,
-      26,    27,    28,    29,    30,    31,    32,    33,    34,    35,
-      36,     0,     0,    37,     0,     0,     0,    38,    39
+      64,    54,    49,    49,    73,     3,    92,    48,    74,    49,
+      91,    98,    99,   100,   101,   102,    55,    79,    93,    93,
+      79,   -80,    65,    97,    57,    59,     4,     5,     6,     7,
+       8,     9,    10,    11,    12,    58,    84,    60,    61,    14,
+      71,    78,    49,   109,    79,    50,    50,    86,   108,    42,
+     103,    26,    96,    88,    77,   106,    79,     0,     0,    34,
+       0,   104,    62,    63,     0,    90,   107,     0,    66,    87,
+      65,     0,   104,     0,     4,     5,     6,     7,     8,     9,
+      10,    11,    12,     0,     0,     0,    80,    14,     0,    81,
+      82,    83,     0,     0,     0,     0,     0,     0,     0,    26,
+       0,     0,     0,     0,     0,     0,     0,    34,     0,     0,
+       0,     0,     0,     0,     0,     0,    66,     4,     5,     6,
+       7,     8,     9,    10,    11,    12,     0,     0,     0,    13,
+      14,    15,    16,    17,    18,    19,    20,    21,    22,    23,
+      24,    25,    26,    27,    28,    29,    30,    31,    32,    33,
+      34,    35,    36,    37,     0,     0,    38,     0,     0,     0,
+      39,    40

 };
 
 static const yysigned_char yycheck[] =
 {
 };
 
 static const yysigned_char yycheck[] =
 {

-      33,     8,     3,     3,    41,     0,    72,    41,    45,     3,
-       4,    43,    44,    14,    15,    16,     3,    50,    74,    75,
-      53,     0,     1,    89,     4,    42,     5,     6,     7,     8,
-       9,    10,    11,    12,    13,     4,    42,    42,    41,    18,
-      47,    43,     3,    76,    45,    45,    43,     4,    41,    50,
-      49,    30,     2,    66,    46,    88,    97,    -1,    37,    -1,
-      93,    32,    -1,    70,    -1,    98,    -1,    46,    47,     1,
-      -1,   104,    -1,     5,     6,     7,     8,     9,    10,    11,
-      12,    13,    -1,    -1,    55,    -1,    18,    58,    59,    60,
-      -1,    -1,    -1,    -1,    -1,    -1,    -1,    -1,    30,    -1,
-      -1,    -1,    -1,    -1,    -1,    37,    -1,    -1,    -1,    -1,
-      -1,    -1,    -1,    -1,    46,     5,     6,     7,     8,     9,
-      10,    11,    12,    13,    -1,    -1,    -1,    17,    18,    19,
-      20,    21,    22,    23,    24,    25,    26,    27,    28,    29,
-      30,    31,    32,    33,    34,    35,    36,    37,    38,    39,
-      40,    -1,    -1,    43,    -1,    -1,    -1,    47,    48
+      34,     8,     3,     3,    42,     0,    74,    42,    46,     3,
+       4,    44,    45,    14,    15,    16,     3,    51,    76,    77,
+      54,     0,     1,    91,     4,    43,     5,     6,     7,     8,
+       9,    10,    11,    12,    13,     4,    44,    43,    43,    18,
+      42,    48,     3,    42,    78,    46,    46,    44,     4,     2,
+      51,    30,    50,    68,    47,    99,    90,    -1,    -1,    38,
+      -1,    95,    32,    33,    -1,    72,   100,    -1,    47,    48,
+       1,    -1,   106,    -1,     5,     6,     7,     8,     9,    10,
+      11,    12,    13,    -1,    -1,    -1,    56,    18,    -1,    59,
+      60,    61,    -1,    -1,    -1,    -1,    -1,    -1,    -1,    30,
+      -1,    -1,    -1,    -1,    -1,    -1,    -1,    38,    -1,    -1,
+      -1,    -1,    -1,    -1,    -1,    -1,    47,     5,     6,     7,
+       8,     9,    10,    11,    12,    13,    -1,    -1,    -1,    17,
+      18,    19,    20,    21,    22,    23,    24,    25,    26,    27,
+      28,    29,    30,    31,    32,    33,    34,    35,    36,    37,
+      38,    39,    40,    41,    -1,    -1,    44,    -1,    -1,    -1,
+      48,    49

 };
 
 /* YYSTOS[STATE-NUM] -- The (internal number of the) accessing
    symbol of state STATE-NUM.  */
 static const unsigned char yystos[] =
 {
 };
 
 /* YYSTOS[STATE-NUM] -- The (internal number of the) accessing
    symbol of state STATE-NUM.  */
 static const unsigned char yystos[] =
 {

-       0,    52,    53,     0,     5,     6,     7,     8,     9,    10,
+       0,    53,    54,     0,     5,     6,     7,     8,     9,    10,

       11,    12,    13,    17,    18,    19,    20,    21,    22,    23,
       24,    25,    26,    27,    28,    29,    30,    31,    32,    33,
       11,    12,    13,    17,    18,    19,    20,    21,    22,    23,
       24,    25,    26,    27,    28,    29,    30,    31,    32,    33,

-      34,    35,    36,    37,    38,    39,    40,    43,    47,    48,
-      54,    55,    56,    59,    60,    58,    57,    41,     3,    45,
-      62,    71,    73,    62,     3,    74,     4,     4,    42,    42,
-      42,    74,    71,     1,    46,    55,    65,    66,    67,    41,
-      61,    41,    45,    63,    64,    64,    62,    71,    74,    74,
-      74,    74,    43,    68,    43,    47,    66,    75,    62,     4,
-      73,    63,    69,    70,    49,    73,    43,    44,    14,    15,
-      16,    50,    71,    72,    70,    71,     4,    41
+      34,    35,    36,    37,    38,    39,    40,    41,    44,    48,
+      49,    55,    56,    57,    60,    61,    59,    58,    42,     3,
+      46,    63,    72,    74,    63,     3,    75,     4,     4,    43,
+      43,    43,    75,    75,    72,     1,    47,    56,    66,    67,
+      68,    42,    62,    42,    46,    64,    65,    65,    63,    72,
+      75,    75,    75,    75,    44,    69,    44,    48,    67,    76,
+      63,     4,    74,    64,    70,    71,    50,    74,    44,    45,
+      14,    15,    16,    51,    72,    73,    71,    72,     4,    42

 };
 
 #define yyerrok                (yyerrstatus = 0)
 };
 
 #define yyerrok                (yyerrstatus = 0)


@@ -757,7 +793,7 @@ do                                                          \
       yyerror (YY_("syntax error: cannot back up")); \
       YYERROR;                                                 \
     }                                                          \
       yyerror (YY_("syntax error: cannot back up")); \
       YYERROR;                                                 \
     }                                                          \

-while (0)
+while (/*CONSTCOND*/ 0)

 
 
 #define YYTERROR       1
 
 
 #define YYTERROR       1


@@ -786,7 +822,7 @@ while (0)
          (Current).first_column = (Current).last_column =              \
            YYRHSLOC (Rhs, 0).last_column;                              \
        }                                                               \
          (Current).first_column = (Current).last_column =              \
            YYRHSLOC (Rhs, 0).last_column;                              \
        }                                                               \

-    while (0)
+    while (/*CONSTCOND*/ 0)

 #endif
 
 
 #endif
 
 


@@ -826,25 +862,25 @@ while (0)
 do {                                           \
   if (yydebug)                                 \
     YYFPRINTF Args;                            \
 do {                                           \
   if (yydebug)                                 \
     YYFPRINTF Args;                            \

-} while (0)
-
-# define YY_SYMBOL_PRINT(Title, Type, Value, Location)         \
-do {                                                           \
-  if (yydebug)                                                 \
-    {                                                          \
-      YYFPRINTF (stderr, "%s ", Title);                                \
-      yysymprint (stderr,                                      \
-                  Type, Value, Location);      \
-      YYFPRINTF (stderr, "\n");                                        \
-    }                                                          \
-} while (0)
+} while (/*CONSTCOND*/ 0)
+
+# define YY_SYMBOL_PRINT(Title, Type, Value, Location)                   \
+do {                                                                     \
+  if (yydebug)                                                           \
+    {                                                                    \
+      YYFPRINTF (stderr, "%s ", Title);                                          \
+      yysymprint (stderr,                                                \
+                  Type, Value, Location); \
+      YYFPRINTF (stderr, "\n");                                                  \
+    }                                                                    \
+} while (/*CONSTCOND*/ 0)

 
 /*------------------------------------------------------------------.
 | yy_stack_print -- Print the state stack from its BOTTOM up to its |
 | TOP (included).                                                   |
 `------------------------------------------------------------------*/
 
 
 /*------------------------------------------------------------------.
 | yy_stack_print -- Print the state stack from its BOTTOM up to its |
 | TOP (included).                                                   |
 `------------------------------------------------------------------*/
 

-#if defined (__STDC__) || defined (__cplusplus)
+#if defined (__STDC__) || defined (__C99__FUNC__) || defined (__cplusplus)

 static void
 yy_stack_print (short int *bottom, short int *top)
 #else
 static void
 yy_stack_print (short int *bottom, short int *top)
 #else


@@ -864,14 +900,14 @@ yy_stack_print (bottom, top)
 do {                                                           \
   if (yydebug)                                                 \
     yy_stack_print ((Bottom), (Top));                          \
 do {                                                           \
   if (yydebug)                                                 \
     yy_stack_print ((Bottom), (Top));                          \

-} while (0)
+} while (/*CONSTCOND*/ 0)

 
 
 /*------------------------------------------------.
 | Report that the YYRULE is going to be reduced.  |
 `------------------------------------------------*/
 
 
 
 /*------------------------------------------------.
 | Report that the YYRULE is going to be reduced.  |
 `------------------------------------------------*/
 

-#if defined (__STDC__) || defined (__cplusplus)
+#if defined (__STDC__) || defined (__C99__FUNC__) || defined (__cplusplus)

 static void
 yy_reduce_print (int yyrule)
 #else
 static void
 yy_reduce_print (int yyrule)
 #else


@@ -894,7 +930,7 @@ yy_reduce_print (yyrule)
 do {                                   \
   if (yydebug)                         \
     yy_reduce_print (Rule);            \
 do {                                   \
   if (yydebug)                         \
     yy_reduce_print (Rule);            \

-} while (0)
+} while (/*CONSTCOND*/ 0)

 
 /* Nonzero means print parse trace.  It is left uninitialized so that
    multiple parsers can coexist.  */
 
 /* Nonzero means print parse trace.  It is left uninitialized so that
    multiple parsers can coexist.  */


@@ -933,7 +969,7 @@ int yydebug;
 #  else
 /* Return the length of YYSTR.  */
 static YYSIZE_T
 #  else
 /* Return the length of YYSTR.  */
 static YYSIZE_T

-#   if defined (__STDC__) || defined (__cplusplus)
+#   if YYMODERN_C

 yystrlen (const char *yystr)
 #   else
 yystrlen (yystr)
 yystrlen (const char *yystr)
 #   else
 yystrlen (yystr)


@@ -957,7 +993,7 @@ yystrlen (yystr)
 /* Copy YYSRC to YYDEST, returning the address of the terminating '\0' in
    YYDEST.  */
 static char *
 /* Copy YYSRC to YYDEST, returning the address of the terminating '\0' in
    YYDEST.  */
 static char *

-#   if defined (__STDC__) || defined (__cplusplus)
+#   if YYMODERN_C

 yystpcpy (char *yydest, const char *yysrc)
 #   else
 yystpcpy (yydest, yysrc)
 yystpcpy (char *yydest, const char *yysrc)
 #   else
 yystpcpy (yydest, yysrc)


@@ -1024,8 +1060,114 @@ yytnamerr (char *yyres, const char *yystr)
 }
 # endif
 
 }
 # endif
 

-#endif /* YYERROR_VERBOSE */
+/* Copy into YYRESULT an error message about the unexpected token
+   YYCHAR while in state YYSTATE.  Return the number of bytes copied,
+   including the terminating null byte.  If YYRESULT is null, do not
+   copy anything; just return the number of bytes that would be
+   copied.  As a special case, return 0 if an ordinary "syntax error"
+   message will do.  Return YYSIZE_MAXIMUM if overflow occurs during
+   size calculation.  */
+static YYSIZE_T
+yysyntax_error (char *yyresult, int yystate, int yychar)
+{
+  int yyn = yypact[yystate];

 
 

+  if (! (YYPACT_NINF < yyn && yyn < YYLAST))
+    return 0;
+  else
+    {
+      int yytype = YYTRANSLATE (yychar);
+      YYSIZE_T yysize0 = yytnamerr (0, yytname[yytype]);
+      YYSIZE_T yysize = yysize0;
+      YYSIZE_T yysize1;
+      int yysize_overflow = 0;
+      enum { YYERROR_VERBOSE_ARGS_MAXIMUM = 5 };
+      char const *yyarg[YYERROR_VERBOSE_ARGS_MAXIMUM];
+      int yyx;
+
+# if 0
+      /* This is so xgettext sees the translatable formats that are
+         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, expecting %s or %s or %s");
+      YY_("syntax error, unexpected %s, expecting %s or %s or %s or %s");
+# endif
+      char *yyfmt;
+      char const *yyf;
+      static char const yyunexpected[] = "syntax error, unexpected %s";
+      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))];
+      char const *yyprefix = yyexpecting;
+
+      /* Start YYX at -YYN if negative to avoid negative indexes in
+         YYCHECK.  */
+      int yyxbegin = yyn < 0 ? -yyn : 0;
+
+      /* Stay within bounds of both yycheck and yytname.  */
+      int yychecklim = YYLAST - yyn;
+      int yyxend = yychecklim < YYNTOKENS ? yychecklim : YYNTOKENS;
+      int yycount = 1;
+
+      yyarg[0] = yytname[yytype];
+      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;
+          }
+
+      yyf = YY_(yyformat);
+      yysize1 = yysize + yystrlen (yyf);
+      yysize_overflow |= yysize1 < yysize;
+      yysize = yysize1;
+
+      if (yysize_overflow)
+       return YYSIZE_MAXIMUM;
+
+      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))
+            {
+              if (*yyp == '%' && yyf[1] == 's' && yyi < yycount)
+                {
+                  yyp += yytnamerr (yyp, yyarg[yyi++]);
+                  yyf += 2;
+                }
+              else
+                {
+                  yyp++;
+                  yyf++;
+                }
+            }
+        }
+      return yysize;
+    }
+}
+#endif /* YYERROR_VERBOSE */

 \f
 
 #if YYDEBUG
 \f
 
 #if YYDEBUG


@@ -1033,7 +1175,7 @@ yytnamerr (char *yyres, const char *yystr)
 | Print this symbol on YYOUTPUT.  |
 `--------------------------------*/
 
 | Print this symbol on YYOUTPUT.  |
 `--------------------------------*/
 

-#if defined (__STDC__) || defined (__cplusplus)
+#if defined (__STDC__) || defined (__C99__FUNC__) || defined (__cplusplus)

 static void
 yysymprint (FILE *yyoutput, int yytype, YYSTYPE *yyvaluep, YYLTYPE *yylocationp)
 #else
 static void
 yysymprint (FILE *yyoutput, int yytype, YYSTYPE *yyvaluep, YYLTYPE *yylocationp)
 #else


@@ -1045,9 +1187,8 @@ yysymprint (yyoutput, yytype, yyvaluep, yylocationp)
     YYLTYPE *yylocationp;
 #endif
 {
     YYLTYPE *yylocationp;
 #endif
 {

-  /* Pacify ``unused variable'' warnings.  */
-  (void) yyvaluep;
-  (void) yylocationp;
+  YYUSE (yyvaluep);
+  YYUSE (yylocationp);

 
   if (yytype < YYNTOKENS)
     YYFPRINTF (yyoutput, "token %s (", yytname[yytype]);
 
   if (yytype < YYNTOKENS)
     YYFPRINTF (yyoutput, "token %s (", yytname[yytype]);


@@ -1064,107 +1205,106 @@ yysymprint (yyoutput, yytype, yyvaluep, yylocationp)
   switch (yytype)
     {
       case 3: /* "\"string\"" */
   switch (yytype)
     {
       case 3: /* "\"string\"" */

-#line 165 "parse-gram.y"
+#line 169 "../../src/parse-gram.y"

         { fprintf (stderr, "\"%s\"", (yyvaluep->chars)); };
         { fprintf (stderr, "\"%s\"", (yyvaluep->chars)); };

-#line 1070 "parse-gram.c"
+#line 1211 "../../src/parse-gram.c"

         break;
       case 4: /* "\"integer\"" */
         break;
       case 4: /* "\"integer\"" */

-#line 178 "parse-gram.y"
+#line 182 "../../src/parse-gram.y"

         { fprintf (stderr, "%d", (yyvaluep->integer)); };
         { fprintf (stderr, "%d", (yyvaluep->integer)); };

-#line 1075 "parse-gram.c"
+#line 1216 "../../src/parse-gram.c"

         break;
       case 8: /* "\"%destructor {...}\"" */
         break;
       case 8: /* "\"%destructor {...}\"" */

-#line 167 "parse-gram.y"
+#line 171 "../../src/parse-gram.y"

         { fprintf (stderr, "{\n%s\n}", (yyvaluep->chars)); };
         { fprintf (stderr, "{\n%s\n}", (yyvaluep->chars)); };

-#line 1080 "parse-gram.c"
+#line 1221 "../../src/parse-gram.c"

         break;
       case 9: /* "\"%printer {...}\"" */
         break;
       case 9: /* "\"%printer {...}\"" */

-#line 171 "parse-gram.y"
+#line 175 "../../src/parse-gram.y"

         { fprintf (stderr, "{\n%s\n}", (yyvaluep->chars)); };
         { fprintf (stderr, "{\n%s\n}", (yyvaluep->chars)); };

-#line 1085 "parse-gram.c"
+#line 1226 "../../src/parse-gram.c"

         break;
       case 10: /* "\"%union {...}\"" */
         break;
       case 10: /* "\"%union {...}\"" */

-#line 172 "parse-gram.y"
+#line 176 "../../src/parse-gram.y"

         { fprintf (stderr, "{\n%s\n}", (yyvaluep->chars)); };
         { fprintf (stderr, "{\n%s\n}", (yyvaluep->chars)); };

-#line 1090 "parse-gram.c"
+#line 1231 "../../src/parse-gram.c"

         break;
       case 26: /* "\"%initial-action {...}\"" */
         break;
       case 26: /* "\"%initial-action {...}\"" */

-#line 168 "parse-gram.y"
+#line 172 "../../src/parse-gram.y"

         { fprintf (stderr, "{\n%s\n}", (yyvaluep->chars)); };
         { fprintf (stderr, "{\n%s\n}", (yyvaluep->chars)); };

-#line 1095 "parse-gram.c"
+#line 1236 "../../src/parse-gram.c"

         break;
       case 27: /* "\"%lex-param {...}\"" */
         break;
       case 27: /* "\"%lex-param {...}\"" */

-#line 169 "parse-gram.y"
+#line 173 "../../src/parse-gram.y"

         { fprintf (stderr, "{\n%s\n}", (yyvaluep->chars)); };
         { fprintf (stderr, "{\n%s\n}", (yyvaluep->chars)); };

-#line 1100 "parse-gram.c"
+#line 1241 "../../src/parse-gram.c"

         break;
       case 34: /* "\"%parse-param {...}\"" */
         break;
       case 34: /* "\"%parse-param {...}\"" */

-#line 170 "parse-gram.y"
+#line 174 "../../src/parse-gram.y"

         { fprintf (stderr, "{\n%s\n}", (yyvaluep->chars)); };
         { fprintf (stderr, "{\n%s\n}", (yyvaluep->chars)); };

-#line 1105 "parse-gram.c"
+#line 1246 "../../src/parse-gram.c"

         break;
         break;

-      case 41: /* "\"type\"" */
-#line 176 "parse-gram.y"
+      case 42: /* "\"type\"" */
+#line 180 "../../src/parse-gram.y"

         { fprintf (stderr, "<%s>", (yyvaluep->uniqstr)); };
         { fprintf (stderr, "<%s>", (yyvaluep->uniqstr)); };

-#line 1110 "parse-gram.c"
+#line 1251 "../../src/parse-gram.c"

         break;
         break;

-      case 45: /* "\"identifier\"" */
-#line 180 "parse-gram.y"
+      case 46: /* "\"identifier\"" */
+#line 184 "../../src/parse-gram.y"

         { fprintf (stderr, "%s", (yyvaluep->symbol)->tag); };
         { fprintf (stderr, "%s", (yyvaluep->symbol)->tag); };

-#line 1115 "parse-gram.c"
+#line 1256 "../../src/parse-gram.c"

         break;
         break;

-      case 46: /* "\"identifier:\"" */
-#line 182 "parse-gram.y"
+      case 47: /* "\"identifier:\"" */
+#line 186 "../../src/parse-gram.y"

         { fprintf (stderr, "%s:", (yyvaluep->symbol)->tag); };
         { fprintf (stderr, "%s:", (yyvaluep->symbol)->tag); };

-#line 1120 "parse-gram.c"
+#line 1261 "../../src/parse-gram.c"

         break;
         break;

-      case 48: /* "\"%{...%}\"" */
-#line 174 "parse-gram.y"
+      case 49: /* "\"%{...%}\"" */
+#line 178 "../../src/parse-gram.y"

         { fprintf (stderr, "{\n%s\n}", (yyvaluep->chars)); };
         { fprintf (stderr, "{\n%s\n}", (yyvaluep->chars)); };

-#line 1125 "parse-gram.c"
+#line 1266 "../../src/parse-gram.c"

         break;
         break;

-      case 49: /* "\"epilogue\"" */
-#line 174 "parse-gram.y"
+      case 50: /* "\"epilogue\"" */
+#line 178 "../../src/parse-gram.y"

         { fprintf (stderr, "{\n%s\n}", (yyvaluep->chars)); };
         { fprintf (stderr, "{\n%s\n}", (yyvaluep->chars)); };

-#line 1130 "parse-gram.c"
+#line 1271 "../../src/parse-gram.c"

         break;
         break;

-      case 50: /* "\"{...}\"" */
-#line 173 "parse-gram.y"
+      case 51: /* "\"{...}\"" */
+#line 177 "../../src/parse-gram.y"

         { fprintf (stderr, "{\n%s\n}", (yyvaluep->chars)); };
         { fprintf (stderr, "{\n%s\n}", (yyvaluep->chars)); };

-#line 1135 "parse-gram.c"
+#line 1276 "../../src/parse-gram.c"

         break;
         break;

-      case 71: /* "symbol" */
-#line 180 "parse-gram.y"
+      case 72: /* "symbol" */
+#line 184 "../../src/parse-gram.y"

         { fprintf (stderr, "%s", (yyvaluep->symbol)->tag); };
         { fprintf (stderr, "%s", (yyvaluep->symbol)->tag); };

-#line 1140 "parse-gram.c"
+#line 1281 "../../src/parse-gram.c"

         break;
         break;

-      case 72: /* "action" */
-#line 173 "parse-gram.y"
+      case 73: /* "action" */
+#line 177 "../../src/parse-gram.y"

         { fprintf (stderr, "{\n%s\n}", (yyvaluep->chars)); };
         { fprintf (stderr, "{\n%s\n}", (yyvaluep->chars)); };

-#line 1145 "parse-gram.c"
+#line 1286 "../../src/parse-gram.c"

         break;
         break;

-      case 73: /* "string_as_id" */
-#line 180 "parse-gram.y"
+      case 74: /* "string_as_id" */
+#line 184 "../../src/parse-gram.y"

         { fprintf (stderr, "%s", (yyvaluep->symbol)->tag); };
         { fprintf (stderr, "%s", (yyvaluep->symbol)->tag); };

-#line 1150 "parse-gram.c"
+#line 1291 "../../src/parse-gram.c"

         break;
         break;

-      case 74: /* "string_content" */
-#line 165 "parse-gram.y"
+      case 75: /* "string_content" */
+#line 169 "../../src/parse-gram.y"

         { fprintf (stderr, "\"%s\"", (yyvaluep->chars)); };
         { fprintf (stderr, "\"%s\"", (yyvaluep->chars)); };

-#line 1155 "parse-gram.c"
+#line 1296 "../../src/parse-gram.c"

         break;
       default:
         break;
     }
   YYFPRINTF (yyoutput, ")");
 }
         break;
       default:
         break;
     }
   YYFPRINTF (yyoutput, ")");
 }

-

 #endif /* ! YYDEBUG */
 /*-----------------------------------------------.
 | Release the memory associated to this symbol.  |
 `-----------------------------------------------*/
 
 #endif /* ! YYDEBUG */
 /*-----------------------------------------------.
 | Release the memory associated to this symbol.  |
 `-----------------------------------------------*/
 

-#if defined (__STDC__) || defined (__cplusplus)
+#if defined (__STDC__) || defined (__C99__FUNC__) || defined (__cplusplus)

 static void
 yydestruct (const char *yymsg, int yytype, YYSTYPE *yyvaluep, YYLTYPE *yylocationp)
 #else
 static void
 yydestruct (const char *yymsg, int yytype, YYSTYPE *yyvaluep, YYLTYPE *yylocationp)
 #else


@@ -1176,9 +1316,8 @@ yydestruct (yymsg, yytype, yyvaluep, yylocationp)
     YYLTYPE *yylocationp;
 #endif
 {
     YYLTYPE *yylocationp;
 #endif
 {

-  /* Pacify ``unused variable'' warnings.  */
-  (void) yyvaluep;
-  (void) yylocationp;
+  YYUSE (yyvaluep);
+  YYUSE (yylocationp);

 
   if (!yymsg)
     yymsg = "Deleting";
 
   if (!yymsg)
     yymsg = "Deleting";


@@ -1196,7 +1335,7 @@ yydestruct (yymsg, yytype, yyvaluep, yylocationp)
 /* Prevent warnings from -Wmissing-prototypes.  */
 
 #ifdef YYPARSE_PARAM
 /* Prevent warnings from -Wmissing-prototypes.  */
 
 #ifdef YYPARSE_PARAM

-# if defined (__STDC__) || defined (__cplusplus)
+# if YYMODERN_C

 int yyparse (void *YYPARSE_PARAM);
 # else
 int yyparse ();
 int yyparse (void *YYPARSE_PARAM);
 # else
 int yyparse ();


@@ -1219,20 +1358,20 @@ int yyparse ();
 `----------*/
 
 #ifdef YYPARSE_PARAM
 `----------*/
 
 #ifdef YYPARSE_PARAM

-# if defined (__STDC__) || defined (__cplusplus)
+# if YYMODERN_C

 int yyparse (void *YYPARSE_PARAM)
 # else
 int yyparse (YYPARSE_PARAM)
   void *YYPARSE_PARAM;
 # endif
 #else /* ! YYPARSE_PARAM */
 int yyparse (void *YYPARSE_PARAM)
 # else
 int yyparse (YYPARSE_PARAM)
   void *YYPARSE_PARAM;
 # endif
 #else /* ! YYPARSE_PARAM */

-#if defined (__STDC__) || defined (__cplusplus)
+#if defined (__STDC__) || defined (__C99__FUNC__) || defined (__cplusplus)

 int
 yyparse (void)
 #else
 int
 yyparse ()
 int
 yyparse (void)
 #else
 int
 yyparse ()

-    ;
+

 #endif
 #endif
 {
 #endif
 #endif
 {


@@ -1254,6 +1393,12 @@ YYLTYPE yylloc;
   int yyerrstatus;
   /* Look-ahead token as an internal (translated) token number.  */
   int yytoken = 0;
   int yyerrstatus;
   /* Look-ahead token as an internal (translated) token number.  */
   int yytoken = 0;

+#if YYERROR_VERBOSE
+  /* Buffer for error messages, and its allocated size.  */
+  char yymsgbuf[128];
+  char *yymsg = yymsgbuf;
+  YYSIZE_T yymsg_alloc = sizeof yymsgbuf;
+#endif

 
   /* Three stacks and their tools:
      `yyss': related to states,
 
   /* Three stacks and their tools:
      `yyss': related to states,


@@ -1316,7 +1461,7 @@ YYLTYPE yylloc;
 
 
   /* User initialization code. */
 
 
   /* User initialization code. */

-#line 69 "parse-gram.y"
+#line 72 "../../src/parse-gram.y"

 {
   /* Bison's grammar can initial empty locations, hence a default
      location is needed. */
 {
   /* Bison's grammar can initial empty locations, hence a default
      location is needed. */


@@ -1324,8 +1469,8 @@ YYLTYPE yylloc;
   yylloc.start.line   = yylloc.end.line   = 1;
   yylloc.start.column = yylloc.end.column = 0;
 }
   yylloc.start.line   = yylloc.end.line   = 1;
   yylloc.start.column = yylloc.end.column = 0;
 }

-/* Line 930 of yacc.c.  */
-#line 1329 "parse-gram.c"
+/* Line 1066 of yacc.c.  */
+#line 1474 "../../src/parse-gram.c"

   yylsp[0] = yylloc;
   goto yysetstate;
 
   yylsp[0] = yylloc;
   goto yysetstate;
 


@@ -1514,129 +1659,139 @@ yyreduce:
   switch (yyn)
     {
         case 6:
   switch (yyn)
     {
         case 6:

-#line 203 "parse-gram.y"
+#line 207 "../../src/parse-gram.y"

     { prologue_augment ((yyvsp[0].chars), (yylsp[0])); }
     break;
 
   case 7:
     { prologue_augment ((yyvsp[0].chars), (yylsp[0])); }
     break;
 
   case 7:

-#line 204 "parse-gram.y"
+#line 208 "../../src/parse-gram.y"

     { debug_flag = true; }
     break;
 
   case 8:
     { debug_flag = true; }
     break;
 
   case 8:

-#line 205 "parse-gram.y"
-    { muscle_insert ((yyvsp[-1].chars), (yyvsp[0].chars)); }
+#line 209 "../../src/parse-gram.y"
+    { muscle_insert ((yyvsp[0].chars), "1"); }

     break;
 
   case 9:
     break;
 
   case 9:

-#line 206 "parse-gram.y"
-    { defines_flag = true; }
+#line 210 "../../src/parse-gram.y"
+    { muscle_insert ((yyvsp[-1].chars), (yyvsp[0].chars)); }

     break;
 
   case 10:
     break;
 
   case 10:

-#line 207 "parse-gram.y"
-    { error_verbose = true; }
+#line 211 "../../src/parse-gram.y"
+    { defines_flag = true; }

     break;
 
   case 11:
     break;
 
   case 11:

-#line 208 "parse-gram.y"
-    { expected_sr_conflicts = (yyvsp[0].integer); }
+#line 212 "../../src/parse-gram.y"
+    { error_verbose = true; }

     break;
 
   case 12:
     break;
 
   case 12:

-#line 209 "parse-gram.y"
-    { expected_rr_conflicts = (yyvsp[0].integer); }
+#line 213 "../../src/parse-gram.y"
+    { expected_sr_conflicts = (yyvsp[0].integer); }

     break;
 
   case 13:
     break;
 
   case 13:

-#line 210 "parse-gram.y"
-    { spec_file_prefix = (yyvsp[0].chars); }
+#line 214 "../../src/parse-gram.y"
+    { expected_rr_conflicts = (yyvsp[0].integer); }

     break;
 
   case 14:
     break;
 
   case 14:

-#line 212 "parse-gram.y"
+#line 215 "../../src/parse-gram.y"
+    { spec_file_prefix = (yyvsp[0].chars); }
+    break;
+
+  case 15:
+#line 217 "../../src/parse-gram.y"

     {
     nondeterministic_parser = true;
     glr_parser = true;
   }
     break;
 
     {
     nondeterministic_parser = true;
     glr_parser = true;
   }
     break;
 

-  case 15:
-#line 217 "parse-gram.y"
+  case 16:
+#line 222 "../../src/parse-gram.y"

     {
     muscle_code_grow ("initial_action", (yyvsp[0].chars), (yylsp[0]));
   }
     break;
 
     {
     muscle_code_grow ("initial_action", (yyvsp[0].chars), (yylsp[0]));
   }
     break;
 

-  case 16:
-#line 220 "parse-gram.y"
+  case 17:
+#line 225 "../../src/parse-gram.y"

     { add_param ("lex_param", (yyvsp[0].chars), (yylsp[0])); }
     break;
 
     { add_param ("lex_param", (yyvsp[0].chars), (yylsp[0])); }
     break;
 

-  case 17:
-#line 221 "parse-gram.y"
+  case 18:
+#line 226 "../../src/parse-gram.y"

     { locations_flag = true; }
     break;
 
     { locations_flag = true; }
     break;
 

-  case 18:
-#line 222 "parse-gram.y"
+  case 19:
+#line 227 "../../src/parse-gram.y"

     { spec_name_prefix = (yyvsp[0].chars); }
     break;
 
     { spec_name_prefix = (yyvsp[0].chars); }
     break;
 

-  case 19:
-#line 223 "parse-gram.y"
+  case 20:
+#line 228 "../../src/parse-gram.y"

     { no_lines_flag = true; }
     break;
 
     { no_lines_flag = true; }
     break;
 

-  case 20:
-#line 224 "parse-gram.y"
+  case 21:
+#line 229 "../../src/parse-gram.y"

     { nondeterministic_parser = true; }
     break;
 
     { nondeterministic_parser = true; }
     break;
 

-  case 21:
-#line 225 "parse-gram.y"
+  case 22:
+#line 230 "../../src/parse-gram.y"

     { spec_outfile = (yyvsp[0].chars); }
     break;
 
     { spec_outfile = (yyvsp[0].chars); }
     break;
 

-  case 22:
-#line 226 "parse-gram.y"
+  case 23:
+#line 231 "../../src/parse-gram.y"

     { add_param ("parse_param", (yyvsp[0].chars), (yylsp[0])); }
     break;
 
     { add_param ("parse_param", (yyvsp[0].chars), (yylsp[0])); }
     break;
 

-  case 23:
-#line 227 "parse-gram.y"
+  case 24:
+#line 232 "../../src/parse-gram.y"

     { pure_parser = true; }
     break;
 
     { pure_parser = true; }
     break;
 

-  case 24:
-#line 228 "parse-gram.y"
+  case 25:
+#line 233 "../../src/parse-gram.y"
+    { version_check (&(yylsp[0]), (yyvsp[0].chars)); }
+    break;
+
+  case 26:
+#line 234 "../../src/parse-gram.y"

     { skeleton = (yyvsp[0].chars); }
     break;
 
     { skeleton = (yyvsp[0].chars); }
     break;
 

-  case 25:
-#line 229 "parse-gram.y"
+  case 27:
+#line 235 "../../src/parse-gram.y"

     { token_table_flag = true; }
     break;
 
     { token_table_flag = true; }
     break;
 

-  case 26:
-#line 230 "parse-gram.y"
+  case 28:
+#line 236 "../../src/parse-gram.y"

     { report_flag = report_states; }
     break;
 
     { report_flag = report_states; }
     break;
 

-  case 27:
-#line 231 "parse-gram.y"
+  case 29:
+#line 237 "../../src/parse-gram.y"

     { yacc_flag = true; }
     break;
 
     { yacc_flag = true; }
     break;
 

-  case 31:
-#line 239 "parse-gram.y"
+  case 33:
+#line 245 "../../src/parse-gram.y"

     {
       grammar_start_symbol_set ((yyvsp[0].symbol), (yylsp[0]));
     }
     break;
 
     {
       grammar_start_symbol_set ((yyvsp[0].symbol), (yylsp[0]));
     }
     break;
 

-  case 32:
-#line 243 "parse-gram.y"
+  case 34:
+#line 249 "../../src/parse-gram.y"

     {
       typed = true;
       MUSCLE_INSERT_INT ("stype_line", (yylsp[0]).start.line);
     {
       typed = true;
       MUSCLE_INSERT_INT ("stype_line", (yylsp[0]).start.line);


@@ -1644,8 +1799,8 @@ yyreduce:
     }
     break;
 
     }
     break;
 

-  case 33:
-#line 249 "parse-gram.y"
+  case 35:
+#line 255 "../../src/parse-gram.y"

     {
       symbol_list *list;
       for (list = (yyvsp[0].list); list; list = list->next)
     {
       symbol_list *list;
       for (list = (yyvsp[0].list); list; list = list->next)


@@ -1654,8 +1809,8 @@ yyreduce:
     }
     break;
 
     }
     break;
 

-  case 34:
-#line 256 "parse-gram.y"
+  case 36:
+#line 262 "../../src/parse-gram.y"

     {
       symbol_list *list;
       for (list = (yyvsp[0].list); list; list = list->next)
     {
       symbol_list *list;
       for (list = (yyvsp[0].list); list; list = list->next)


@@ -1664,48 +1819,48 @@ yyreduce:
     }
     break;
 
     }
     break;
 

-  case 35:
-#line 263 "parse-gram.y"
+  case 37:
+#line 269 "../../src/parse-gram.y"

     {
       default_prec = true;
     }
     break;
 
     {
       default_prec = true;
     }
     break;
 

-  case 36:
-#line 267 "parse-gram.y"
+  case 38:
+#line 273 "../../src/parse-gram.y"

     {
       default_prec = false;
     }
     break;
 
     {
       default_prec = false;
     }
     break;
 

-  case 37:
-#line 273 "parse-gram.y"
+  case 39:
+#line 279 "../../src/parse-gram.y"

     { current_class = nterm_sym; }
     break;
 
     { current_class = nterm_sym; }
     break;
 

-  case 38:
-#line 274 "parse-gram.y"
+  case 40:
+#line 280 "../../src/parse-gram.y"

     {
       current_class = unknown_sym;
       current_type = NULL;
     }
     break;
 
     {
       current_class = unknown_sym;
       current_type = NULL;
     }
     break;
 

-  case 39:
-#line 278 "parse-gram.y"
+  case 41:
+#line 284 "../../src/parse-gram.y"

     { current_class = token_sym; }
     break;
 
     { current_class = token_sym; }
     break;
 

-  case 40:
-#line 279 "parse-gram.y"
+  case 42:
+#line 285 "../../src/parse-gram.y"

     {
       current_class = unknown_sym;
       current_type = NULL;
     }
     break;
 
     {
       current_class = unknown_sym;
       current_type = NULL;
     }
     break;
 

-  case 41:
-#line 284 "parse-gram.y"
+  case 43:
+#line 290 "../../src/parse-gram.y"

     {
       symbol_list *list;
       for (list = (yyvsp[0].list); list; list = list->next)
     {
       symbol_list *list;
       for (list = (yyvsp[0].list); list; list = list->next)


@@ -1714,8 +1869,8 @@ yyreduce:
     }
     break;
 
     }
     break;
 

-  case 42:
-#line 294 "parse-gram.y"
+  case 44:
+#line 300 "../../src/parse-gram.y"

     {
       symbol_list *list;
       ++current_prec;
     {
       symbol_list *list;
       ++current_prec;


@@ -1729,58 +1884,58 @@ yyreduce:
     }
     break;
 
     }
     break;
 

-  case 43:
-#line 308 "parse-gram.y"
+  case 45:
+#line 314 "../../src/parse-gram.y"

     { (yyval.assoc) = left_assoc; }
     break;
 
     { (yyval.assoc) = left_assoc; }
     break;
 

-  case 44:
-#line 309 "parse-gram.y"
+  case 46:
+#line 315 "../../src/parse-gram.y"

     { (yyval.assoc) = right_assoc; }
     break;
 
     { (yyval.assoc) = right_assoc; }
     break;
 

-  case 45:
-#line 310 "parse-gram.y"
+  case 47:
+#line 316 "../../src/parse-gram.y"

     { (yyval.assoc) = non_assoc; }
     break;
 
     { (yyval.assoc) = non_assoc; }
     break;
 

-  case 46:
-#line 314 "parse-gram.y"
+  case 48:
+#line 320 "../../src/parse-gram.y"

     { current_type = NULL; }
     break;
 
     { current_type = NULL; }
     break;
 

-  case 47:
-#line 315 "parse-gram.y"
+  case 49:
+#line 321 "../../src/parse-gram.y"

     { current_type = (yyvsp[0].uniqstr); }
     break;
 
     { current_type = (yyvsp[0].uniqstr); }
     break;
 

-  case 48:
-#line 321 "parse-gram.y"
+  case 50:
+#line 327 "../../src/parse-gram.y"

     { (yyval.list) = symbol_list_new ((yyvsp[0].symbol), (yylsp[0])); }
     break;
 
     { (yyval.list) = symbol_list_new ((yyvsp[0].symbol), (yylsp[0])); }
     break;
 

-  case 49:
-#line 322 "parse-gram.y"
+  case 51:
+#line 328 "../../src/parse-gram.y"

     { (yyval.list) = symbol_list_prepend ((yyvsp[-1].list), (yyvsp[0].symbol), (yylsp[0])); }
     break;
 
     { (yyval.list) = symbol_list_prepend ((yyvsp[-1].list), (yyvsp[0].symbol), (yylsp[0])); }
     break;
 

-  case 50:
-#line 328 "parse-gram.y"
+  case 52:
+#line 334 "../../src/parse-gram.y"

     {
        current_type = (yyvsp[0].uniqstr);
      }
     break;
 
     {
        current_type = (yyvsp[0].uniqstr);
      }
     break;
 

-  case 51:
-#line 332 "parse-gram.y"
+  case 53:
+#line 338 "../../src/parse-gram.y"

     {
        symbol_class_set ((yyvsp[0].symbol), current_class, (yylsp[0]));
        symbol_type_set ((yyvsp[0].symbol), current_type, (yylsp[0]));
      }
     break;
 
     {
        symbol_class_set ((yyvsp[0].symbol), current_class, (yylsp[0]));
        symbol_type_set ((yyvsp[0].symbol), current_type, (yylsp[0]));
      }
     break;
 

-  case 52:
-#line 337 "parse-gram.y"
+  case 54:
+#line 343 "../../src/parse-gram.y"

     {
       symbol_class_set ((yyvsp[-1].symbol), current_class, (yylsp[-1]));
       symbol_type_set ((yyvsp[-1].symbol), current_type, (yylsp[-1]));
     {
       symbol_class_set ((yyvsp[-1].symbol), current_class, (yylsp[-1]));
       symbol_type_set ((yyvsp[-1].symbol), current_type, (yylsp[-1]));


@@ -1788,8 +1943,8 @@ yyreduce:
     }
     break;
 
     }
     break;
 

-  case 53:
-#line 343 "parse-gram.y"
+  case 55:
+#line 349 "../../src/parse-gram.y"

     {
       symbol_class_set ((yyvsp[-1].symbol), current_class, (yylsp[-1]));
       symbol_type_set ((yyvsp[-1].symbol), current_type, (yylsp[-1]));
     {
       symbol_class_set ((yyvsp[-1].symbol), current_class, (yylsp[-1]));
       symbol_type_set ((yyvsp[-1].symbol), current_type, (yylsp[-1]));


@@ -1797,8 +1952,8 @@ yyreduce:
     }
     break;
 
     }
     break;
 

-  case 54:
-#line 349 "parse-gram.y"
+  case 56:
+#line 355 "../../src/parse-gram.y"

     {
       symbol_class_set ((yyvsp[-2].symbol), current_class, (yylsp[-2]));
       symbol_type_set ((yyvsp[-2].symbol), current_type, (yylsp[-2]));
     {
       symbol_class_set ((yyvsp[-2].symbol), current_class, (yylsp[-2]));
       symbol_type_set ((yyvsp[-2].symbol), current_type, (yylsp[-2]));


@@ -1807,96 +1962,96 @@ yyreduce:
     }
     break;
 
     }
     break;
 

-  case 60:
-#line 378 "parse-gram.y"
+  case 62:
+#line 384 "../../src/parse-gram.y"

     {
       if (yacc_flag)
        complain_at ((yyloc), _("POSIX forbids declarations in the grammar"));
     }
     break;
 
     {
       if (yacc_flag)
        complain_at ((yyloc), _("POSIX forbids declarations in the grammar"));
     }
     break;
 

-  case 61:
-#line 383 "parse-gram.y"
+  case 63:
+#line 389 "../../src/parse-gram.y"

     {
       yyerrok;
     }
     break;
 
     {
       yyerrok;
     }
     break;
 

-  case 62:
-#line 389 "parse-gram.y"
+  case 64:
+#line 395 "../../src/parse-gram.y"

     { current_lhs = (yyvsp[0].symbol); current_lhs_location = (yylsp[0]); }
     break;
 
     { current_lhs = (yyvsp[0].symbol); current_lhs_location = (yylsp[0]); }
     break;
 

-  case 64:
-#line 393 "parse-gram.y"
+  case 66:
+#line 399 "../../src/parse-gram.y"

     { grammar_rule_end ((yylsp[0])); }
     break;
 
     { grammar_rule_end ((yylsp[0])); }
     break;
 

-  case 65:
-#line 394 "parse-gram.y"
+  case 67:
+#line 400 "../../src/parse-gram.y"

     { grammar_rule_end ((yylsp[0])); }
     break;
 
     { grammar_rule_end ((yylsp[0])); }
     break;
 

-  case 67:
-#line 400 "parse-gram.y"
+  case 69:
+#line 406 "../../src/parse-gram.y"

     { grammar_rule_begin (current_lhs, current_lhs_location); }
     break;
 
     { grammar_rule_begin (current_lhs, current_lhs_location); }
     break;
 

-  case 68:
-#line 402 "parse-gram.y"
+  case 70:
+#line 408 "../../src/parse-gram.y"

     { grammar_current_rule_symbol_append ((yyvsp[0].symbol), (yylsp[0])); }
     break;
 
     { grammar_current_rule_symbol_append ((yyvsp[0].symbol), (yylsp[0])); }
     break;
 

-  case 69:
-#line 404 "parse-gram.y"
+  case 71:
+#line 410 "../../src/parse-gram.y"

     { grammar_current_rule_action_append ((yyvsp[0].chars), (yylsp[0])); }
     break;
 
     { grammar_current_rule_action_append ((yyvsp[0].chars), (yylsp[0])); }
     break;
 

-  case 70:
-#line 406 "parse-gram.y"
+  case 72:
+#line 412 "../../src/parse-gram.y"

     { grammar_current_rule_prec_set ((yyvsp[0].symbol), (yylsp[0])); }
     break;
 
     { grammar_current_rule_prec_set ((yyvsp[0].symbol), (yylsp[0])); }
     break;
 

-  case 71:
-#line 408 "parse-gram.y"
+  case 73:
+#line 414 "../../src/parse-gram.y"

     { grammar_current_rule_dprec_set ((yyvsp[0].integer), (yylsp[0])); }
     break;
 
     { grammar_current_rule_dprec_set ((yyvsp[0].integer), (yylsp[0])); }
     break;
 

-  case 72:
-#line 410 "parse-gram.y"
+  case 74:
+#line 416 "../../src/parse-gram.y"

     { grammar_current_rule_merge_set ((yyvsp[0].uniqstr), (yylsp[0])); }
     break;
 
     { grammar_current_rule_merge_set ((yyvsp[0].uniqstr), (yylsp[0])); }
     break;
 

-  case 73:
-#line 414 "parse-gram.y"
+  case 75:
+#line 420 "../../src/parse-gram.y"

     { (yyval.symbol) = (yyvsp[0].symbol); }
     break;
 
     { (yyval.symbol) = (yyvsp[0].symbol); }
     break;
 

-  case 74:
-#line 415 "parse-gram.y"
+  case 76:
+#line 421 "../../src/parse-gram.y"

     { (yyval.symbol) = (yyvsp[0].symbol); }
     break;
 
     { (yyval.symbol) = (yyvsp[0].symbol); }
     break;
 

-  case 75:
-#line 420 "parse-gram.y"
+  case 77:
+#line 426 "../../src/parse-gram.y"

     { (yyval.chars) = (yyvsp[0].chars); }
     break;
 
     { (yyval.chars) = (yyvsp[0].chars); }
     break;
 

-  case 76:
-#line 426 "parse-gram.y"
+  case 78:
+#line 432 "../../src/parse-gram.y"

     {
       (yyval.symbol) = symbol_get (quotearg_style (c_quoting_style, (yyvsp[0].chars)), (yylsp[0]));
       symbol_class_set ((yyval.symbol), token_sym, (yylsp[0]));
     }
     break;
 
     {
       (yyval.symbol) = symbol_get (quotearg_style (c_quoting_style, (yyvsp[0].chars)), (yylsp[0]));
       symbol_class_set ((yyval.symbol), token_sym, (yylsp[0]));
     }
     break;
 

-  case 77:
-#line 435 "parse-gram.y"
+  case 79:
+#line 441 "../../src/parse-gram.y"

     { (yyval.chars) = (yyvsp[0].chars); }
     break;
 
     { (yyval.chars) = (yyvsp[0].chars); }
     break;
 

-  case 79:
-#line 442 "parse-gram.y"
+  case 81:
+#line 448 "../../src/parse-gram.y"

     {
       muscle_code_grow ("epilogue", (yyvsp[0].chars), (yylsp[0]));
       scanner_last_string_free ();
     {
       muscle_code_grow ("epilogue", (yyvsp[0].chars), (yylsp[0]));
       scanner_last_string_free ();


@@ -1907,8 +2062,8 @@ yyreduce:
       default: break;
     }
 
       default: break;
     }
 

-/* Line 1126 of yacc.c.  */
-#line 1912 "parse-gram.c"
+/* Line 1262 of yacc.c.  */
+#line 2067 "../../src/parse-gram.c"

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


@@ -1942,110 +2097,41 @@ yyerrlab:
   if (!yyerrstatus)
     {
       ++yynerrs;
   if (!yyerrstatus)
     {
       ++yynerrs;

-#if YYERROR_VERBOSE
-      yyn = yypact[yystate];
-
-      if (YYPACT_NINF < yyn && yyn < YYLAST)
-       {
-         int yytype = YYTRANSLATE (yychar);
-         YYSIZE_T yysize0 = yytnamerr (0, yytname[yytype]);
-         YYSIZE_T yysize = yysize0;
-         YYSIZE_T yysize1;
-         int yysize_overflow = 0;
-         char *yymsg = 0;
-#        define YYERROR_VERBOSE_ARGS_MAXIMUM 5
-         char const *yyarg[YYERROR_VERBOSE_ARGS_MAXIMUM];
-         int yyx;
-
-#if 0
-         /* This is so xgettext sees the translatable formats that are
-            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, expecting %s or %s or %s");
-         YY_("syntax error, unexpected %s, expecting %s or %s or %s or %s");
-#endif
-         char *yyfmt;
-         char const *yyf;
-         static char const yyunexpected[] = "syntax error, unexpected %s";
-         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))];
-         char const *yyprefix = yyexpecting;
-
-         /* Start YYX at -YYN if negative to avoid negative indexes in
-            YYCHECK.  */
-         int yyxbegin = yyn < 0 ? -yyn : 0;
-
-         /* Stay within bounds of both yycheck and yytname.  */
-         int yychecklim = YYLAST - yyn;
-         int yyxend = yychecklim < YYNTOKENS ? yychecklim : YYNTOKENS;
-         int yycount = 1;
-
-         yyarg[0] = yytname[yytype];
-         yyfmt = yystpcpy (yyformat, yyunexpected);
-
-         for (yyx = yyxbegin; yyx < yyxend; ++yyx)
-           if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR)
+#if ! YYERROR_VERBOSE
+      yyerror (YY_("syntax error"));
+#else
+      {
+       YYSIZE_T yysize = yysyntax_error (0, yystate, yychar);
+       if (yymsg_alloc < yysize && yymsg_alloc < YYSTACK_ALLOC_MAXIMUM)
+         {
+           YYSIZE_T yyalloc = 2 * yysize;
+           if (! (yysize <= yyalloc && yyalloc <= YYSTACK_ALLOC_MAXIMUM))
+             yyalloc = YYSTACK_ALLOC_MAXIMUM;
+           if (yymsg != yymsgbuf)
+             YYSTACK_FREE (yymsg);
+           yymsg = (char *) YYSTACK_ALLOC (yyalloc);
+           if (yymsg)
+             yymsg_alloc = yyalloc;
+           else

              {
              {

-               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;
+               yymsg = yymsgbuf;
+               yymsg_alloc = sizeof yymsgbuf;

              }
              }

+         }

 
 

-         yyf = YY_(yyformat);
-         yysize1 = yysize + yystrlen (yyf);
-         yysize_overflow |= yysize1 < yysize;
-         yysize = yysize1;
-
-         if (!yysize_overflow && yysize <= YYSTACK_ALLOC_MAXIMUM)
-           yymsg = (char *) YYSTACK_ALLOC (yysize);
-         if (yymsg)
-           {
-             /* 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 = yymsg;
-             int yyi = 0;
-             while ((*yyp = *yyf))
-               {
-                 if (*yyp == '%' && yyf[1] == 's' && yyi < yycount)
-                   {
-                     yyp += yytnamerr (yyp, yyarg[yyi++]);
-                     yyf += 2;
-                   }
-                 else
-                   {
-                     yyp++;
-                     yyf++;
-                   }
-               }
-             yyerror (yymsg);
-             YYSTACK_FREE (yymsg);
-           }
-         else
-           {
-             yyerror (YY_("syntax error"));
+       if (0 < yysize && yysize <= yymsg_alloc)
+         {
+           (void) yysyntax_error (yymsg, yystate, yychar);
+           yyerror (yymsg);
+         }
+       else
+         {
+           yyerror (YY_("syntax error"));
+           if (yysize != 0)

              goto yyexhaustedlab;
              goto yyexhaustedlab;

-           }
-       }
-      else
-#endif /* YYERROR_VERBOSE */
-       yyerror (YY_("syntax error"));
+         }
+      }
+#endif

     }
 
   yyerror_range[0] = yylloc;
     }
 
   yyerror_range[0] = yylloc;


@@ -2063,7 +2149,8 @@ yyerrlab:
         }
       else
        {
         }
       else
        {

-         yydestruct ("Error: discarding", yytoken, &yylval, &yylloc);
+         yydestruct ("Error: discarding",
+                      yytoken, &yylval, &yylloc);

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


@@ -2081,7 +2168,7 @@ yyerrorlab:
   /* Pacify compilers like GCC when the user code never invokes
      YYERROR and the label yyerrorlab therefore never appears in user
      code.  */
   /* Pacify compilers like GCC when the user code never invokes
      YYERROR and the label yyerrorlab therefore never appears in user
      code.  */

-  if (0)
+  if (/*CONSTCOND*/ 0)

      goto yyerrorlab;
 
   yyerror_range[0] = yylsp[1-yylen];
      goto yyerrorlab;
 
   yyerror_range[0] = yylsp[1-yylen];


@@ -2117,7 +2204,8 @@ yyerrlab1:
        YYABORT;
 
       yyerror_range[0] = *yylsp;
        YYABORT;
 
       yyerror_range[0] = *yylsp;

-      yydestruct ("Error: popping", yystos[yystate], yyvsp, yylsp);
+      yydestruct ("Error: popping",
+                  yystos[yystate], yyvsp, yylsp);

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


@@ -2178,12 +2266,16 @@ yyreturn:
 #ifndef yyoverflow
   if (yyss != yyssa)
     YYSTACK_FREE (yyss);
 #ifndef yyoverflow
   if (yyss != yyssa)
     YYSTACK_FREE (yyss);

+#endif
+#if YYERROR_VERBOSE
+  if (yymsg != yymsgbuf)
+    YYSTACK_FREE (yymsg);

 #endif
   return yyresult;
 }
 
 
 #endif
   return yyresult;
 }
 
 

-#line 448 "parse-gram.y"
+#line 454 "../../src/parse-gram.y"

 
 
 
 
 
 


@@ -2268,6 +2360,17 @@ add_param (char const *type, char *decl, location loc)
   scanner_last_string_free ();
 }
 
   scanner_last_string_free ();
 }
 

+static void
+version_check (location const *loc, char const *version)
+{
+  if (strverscmp (version, PACKAGE_VERSION) > 0)
+    {
+      complain_at (*loc, "require bison %s, but have %s",
+                  version, PACKAGE_VERSION);
+      exit (63);
+    }
+}
+

 static void
 gram_error (location const *loc, char const *msg)
 {
 static void
 gram_error (location const *loc, char const *msg)
 {