2007-02-07 Paolo Bonzini <bonzini@gnu.org>

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

diff --git a/src/parse-gram.c b/src/parse-gram.c
index c1f4bfb6d174d11eed8a0f053f8bf3353fb7adf4..6bf88c779fadf1fbb0c7cf341f183a13371866f6 100644 (file)
--- a/src/parse-gram.c
+++ b/src/parse-gram.c
@@ -1,27 +1,38 @@
-/* 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, 2006 Free Software Foundation, Inc.
+/* A Bison parser, made by GNU Bison 2.3a+.  */

 
 

+/* Skeleton implementation for Bison's Yacc-like parsers in C
+   
+      Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006
+   Free Software Foundation, Inc.
+   

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2, or (at your option)
    any later version.
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2, or (at your option)
    any later version.

-
+   

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

-
+   

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 51 Franklin Street, Fifth Floor,
    Boston, MA 02110-1301, USA.  */
 
    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 51 Franklin Street, Fifth Floor,
    Boston, MA 02110-1301, USA.  */
 

-/* As a special exception, when this file is copied by Bison into a
-   Bison output file, you may use that output file without restriction.
-   This special exception was added by the Free Software Foundation
-   in version 1.24 of Bison.  */
+/* As a special exception, you may create a larger work that contains
+   part or all of the Bison parser skeleton and distribute that work
+   under terms of your choice, so long as that work isn't itself a
+   parser generator using the skeleton or a modified version thereof
+   as a parser skeleton.  Alternatively, if you modify or redistribute
+   the parser skeleton itself, you may (at your option) remove this
+   special exception, which will cause the skeleton and the resulting
+   Bison output files to be licensed under the GNU General Public
+   License without this special exception.
+   
+   This special exception was added by the Free Software Foundation in
+   version 2.2 of Bison.  */

 
 /* C LALR(1) parser skeleton written by Richard Stallman, by
    simplifying the original so-called "semantic" parser.  */
 
 /* C LALR(1) parser skeleton written by Richard Stallman, by
    simplifying the original so-called "semantic" parser.  */


@@ -37,7 +48,7 @@
 #define YYBISON 1
 
 /* Bison version.  */
 #define YYBISON 1
 
 /* Bison version.  */

-#define YYBISON_VERSION "2.1a"
+#define YYBISON_VERSION "2.3a+"

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


@@ -45,6 +56,12 @@
 /* Pure parsers.  */
 #define YYPURE 1
 
 /* Pure parsers.  */
 #define YYPURE 1
 

+/* Push parsers.  */
+#define YYPUSH 0
+
+/* Pull parsers.  */
+#define YYPULL 1
+

 /* Using locations.  */
 #define YYLSP_NEEDED 1
 
 /* Using locations.  */
 #define YYLSP_NEEDED 1
 


@@ -58,124 +75,14 @@
 #define yynerrs gram_nerrs
 #define yylloc gram_lloc
 
 #define yynerrs gram_nerrs
 #define yylloc gram_lloc
 

-/* Tokens.  */
-#ifndef YYTOKENTYPE
-# define YYTOKENTYPE
-   /* Put the tokens into the symbol table, so that GDB and other debuggers
-      know about them.  */
-   enum yytokentype {
-     GRAM_EOF = 0,
-     STRING = 258,
-     INT = 259,
-     PERCENT_TOKEN = 260,
-     PERCENT_NTERM = 261,
-     PERCENT_TYPE = 262,
-     PERCENT_DESTRUCTOR = 263,
-     PERCENT_PRINTER = 264,
-     PERCENT_UNION = 265,
-     PERCENT_LEFT = 266,
-     PERCENT_RIGHT = 267,
-     PERCENT_NONASSOC = 268,
-     PERCENT_PREC = 269,
-     PERCENT_DPREC = 270,
-     PERCENT_MERGE = 271,
-     PERCENT_DEBUG = 272,
-     PERCENT_DEFAULT_PREC = 273,
-     PERCENT_DEFINE = 274,
-     PERCENT_DEFINES = 275,
-     PERCENT_ERROR_VERBOSE = 276,
-     PERCENT_EXPECT = 277,
-     PERCENT_EXPECT_RR = 278,
-     PERCENT_FILE_PREFIX = 279,
-     PERCENT_GLR_PARSER = 280,
-     PERCENT_INITIAL_ACTION = 281,
-     PERCENT_LEX_PARAM = 282,
-     PERCENT_LOCATIONS = 283,
-     PERCENT_NAME_PREFIX = 284,
-     PERCENT_NO_DEFAULT_PREC = 285,
-     PERCENT_NO_LINES = 286,
-     PERCENT_NONDETERMINISTIC_PARSER = 287,
-     PERCENT_OUTPUT = 288,
-     PERCENT_PARSE_PARAM = 289,
-     PERCENT_PURE_PARSER = 290,
-     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.  */
-#define GRAM_EOF 0
-#define STRING 258
-#define INT 259
-#define PERCENT_TOKEN 260
-#define PERCENT_NTERM 261
-#define PERCENT_TYPE 262
-#define PERCENT_DESTRUCTOR 263
-#define PERCENT_PRINTER 264
-#define PERCENT_UNION 265
-#define PERCENT_LEFT 266
-#define PERCENT_RIGHT 267
-#define PERCENT_NONASSOC 268
-#define PERCENT_PREC 269
-#define PERCENT_DPREC 270
-#define PERCENT_MERGE 271
-#define PERCENT_DEBUG 272
-#define PERCENT_DEFAULT_PREC 273
-#define PERCENT_DEFINE 274
-#define PERCENT_DEFINES 275
-#define PERCENT_ERROR_VERBOSE 276
-#define PERCENT_EXPECT 277
-#define PERCENT_EXPECT_RR 278
-#define PERCENT_FILE_PREFIX 279
-#define PERCENT_GLR_PARSER 280
-#define PERCENT_INITIAL_ACTION 281
-#define PERCENT_LEX_PARAM 282
-#define PERCENT_LOCATIONS 283
-#define PERCENT_NAME_PREFIX 284
-#define PERCENT_NO_DEFAULT_PREC 285
-#define PERCENT_NO_LINES 286
-#define PERCENT_NONDETERMINISTIC_PARSER 287
-#define PERCENT_OUTPUT 288
-#define PERCENT_PARSE_PARAM 289
-#define PERCENT_PURE_PARSER 290
-#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 1537 of yacc.c  */
+#line 1 "../../src/parse-gram.y"

 /* Bison Grammar Parser                             -*- C -*-
 
 /* Bison Grammar Parser                             -*- C -*-
 

-   Copyright (C) 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007 Free Software Foundation,
+   Inc.

 
    This file is part of Bison, the GNU Compiler Compiler.
 
 
    This file is part of Bison, the GNU Compiler Compiler.
 


@@ -198,17 +105,19 @@
 #include <config.h>
 #include "system.h"
 
 #include <config.h>
 #include "system.h"
 

+#include <strverscmp.h>
+

 #include "complain.h"
 #include "conflicts.h"
 #include "files.h"
 #include "getargs.h"
 #include "gram.h"
 #include "muscle_tab.h"
 #include "complain.h"
 #include "conflicts.h"
 #include "files.h"
 #include "getargs.h"
 #include "gram.h"
 #include "muscle_tab.h"

-#include "output.h"

 #include "quotearg.h"
 #include "reader.h"
 #include "symlist.h"
 #include "quotearg.h"
 #include "reader.h"
 #include "symlist.h"

-#include "strverscmp.h"
+#include "scan-gram.h"
+#include "scan-code.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);


@@ -225,27 +134,31 @@ static void version_check (location const *loc, char const *version);
        gram_error (&yylloc, Msg)
 static void gram_error (location const *, char const *);
 
        gram_error (&yylloc, Msg)
 static void gram_error (location const *, char const *);
 

-static void add_param (char const *, char *, location);
+static char const *char_name (char);
+
+/** Add a lex-param or a parse-param.
+ *
+ * \param type  \a lex_param or \a parse_param
+ * \param decl  the formal argument
+ * \param loc   the location in the source.
+ */
+static void add_param (char const *type, char *decl, location loc);
+

 
 static symbol_class current_class = unknown_sym;
 
 static symbol_class current_class = unknown_sym;

-static uniqstr current_type = 0;
+static uniqstr current_type = NULL;

 static symbol *current_lhs;
 static location current_lhs_location;
 static int current_prec = 0;
 
 static symbol *current_lhs;
 static location current_lhs_location;
 static int current_prec = 0;
 

-#ifdef UINT_FAST8_MAX
-# define YYTYPE_UINT8 uint_fast8_t
-#endif
-#ifdef INT_FAST8_MAX
-# define YYTYPE_INT8 int_fast8_t
-#endif
-#ifdef UINT_FAST16_MAX
-# define YYTYPE_UINT16 uint_fast16_t
-#endif
-#ifdef INT_FAST16_MAX
-# define YYTYPE_INT16 int_fast16_t
-#endif
+#define YYTYPE_INT16 int_fast16_t
+#define YYTYPE_INT8 int_fast8_t
+#define YYTYPE_UINT16 uint_fast16_t
+#define YYTYPE_UINT8 uint_fast8_t
+

 
 

+/* Line 1537 of yacc.c  */
+#line 162 "../../src/parse-gram.c"

 
 /* Enabling traces.  */
 #ifndef YYDEBUG
 
 /* Enabling traces.  */
 #ifndef YYDEBUG


@@ -265,23 +178,158 @@ static int current_prec = 0;
 # define YYTOKEN_TABLE 0
 #endif
 
 # define YYTOKEN_TABLE 0
 #endif
 

+
+/* Tokens.  */
+#ifndef YYTOKENTYPE
+# define YYTOKENTYPE
+   /* Put the tokens into the symbol table, so that GDB and other debuggers
+      know about them.  */
+   enum yytokentype {
+     GRAM_EOF = 0,
+     STRING = 258,
+     INT = 259,
+     PERCENT_TOKEN = 260,
+     PERCENT_NTERM = 261,
+     PERCENT_TYPE = 262,
+     PERCENT_DESTRUCTOR = 263,
+     PERCENT_PRINTER = 264,
+     PERCENT_LEFT = 265,
+     PERCENT_RIGHT = 266,
+     PERCENT_NONASSOC = 267,
+     PERCENT_PREC = 268,
+     PERCENT_DPREC = 269,
+     PERCENT_MERGE = 270,
+     PERCENT_CODE = 271,
+     PERCENT_DEBUG = 272,
+     PERCENT_DEFAULT_PREC = 273,
+     PERCENT_DEFINE = 274,
+     PERCENT_DEFINES = 275,
+     PERCENT_ERROR_VERBOSE = 276,
+     PERCENT_EXPECT = 277,
+     PERCENT_EXPECT_RR = 278,
+     PERCENT_FILE_PREFIX = 279,
+     PERCENT_GLR_PARSER = 280,
+     PERCENT_INITIAL_ACTION = 281,
+     PERCENT_LANGUAGE = 282,
+     PERCENT_LEX_PARAM = 283,
+     PERCENT_LOCATIONS = 284,
+     PERCENT_NAME_PREFIX = 285,
+     PERCENT_NO_DEFAULT_PREC = 286,
+     PERCENT_NO_LINES = 287,
+     PERCENT_NONDETERMINISTIC_PARSER = 288,
+     PERCENT_OUTPUT = 289,
+     PERCENT_PARSE_PARAM = 290,
+     PERCENT_PURE_PARSER = 291,
+     PERCENT_PUSH_PARSER = 292,
+     PERCENT_PUSH_PULL_PARSER = 293,
+     PERCENT_REQUIRE = 294,
+     PERCENT_SKELETON = 295,
+     PERCENT_START = 296,
+     PERCENT_TOKEN_TABLE = 297,
+     PERCENT_VERBOSE = 298,
+     PERCENT_YACC = 299,
+     BRACED_CODE = 300,
+     CHAR = 301,
+     EPILOGUE = 302,
+     EQUAL = 303,
+     ID = 304,
+     ID_COLON = 305,
+     PERCENT_PERCENT = 306,
+     PIPE = 307,
+     PROLOGUE = 308,
+     SEMICOLON = 309,
+     TYPE = 310,
+     TYPE_TAG_ANY = 311,
+     TYPE_TAG_NONE = 312,
+     PERCENT_UNION = 313
+   };
+#endif
+/* Tokens.  */
+#define GRAM_EOF 0
+#define STRING 258
+#define INT 259
+#define PERCENT_TOKEN 260
+#define PERCENT_NTERM 261
+#define PERCENT_TYPE 262
+#define PERCENT_DESTRUCTOR 263
+#define PERCENT_PRINTER 264
+#define PERCENT_LEFT 265
+#define PERCENT_RIGHT 266
+#define PERCENT_NONASSOC 267
+#define PERCENT_PREC 268
+#define PERCENT_DPREC 269
+#define PERCENT_MERGE 270
+#define PERCENT_CODE 271
+#define PERCENT_DEBUG 272
+#define PERCENT_DEFAULT_PREC 273
+#define PERCENT_DEFINE 274
+#define PERCENT_DEFINES 275
+#define PERCENT_ERROR_VERBOSE 276
+#define PERCENT_EXPECT 277
+#define PERCENT_EXPECT_RR 278
+#define PERCENT_FILE_PREFIX 279
+#define PERCENT_GLR_PARSER 280
+#define PERCENT_INITIAL_ACTION 281
+#define PERCENT_LANGUAGE 282
+#define PERCENT_LEX_PARAM 283
+#define PERCENT_LOCATIONS 284
+#define PERCENT_NAME_PREFIX 285
+#define PERCENT_NO_DEFAULT_PREC 286
+#define PERCENT_NO_LINES 287
+#define PERCENT_NONDETERMINISTIC_PARSER 288
+#define PERCENT_OUTPUT 289
+#define PERCENT_PARSE_PARAM 290
+#define PERCENT_PURE_PARSER 291
+#define PERCENT_PUSH_PARSER 292
+#define PERCENT_PUSH_PULL_PARSER 293
+#define PERCENT_REQUIRE 294
+#define PERCENT_SKELETON 295
+#define PERCENT_START 296
+#define PERCENT_TOKEN_TABLE 297
+#define PERCENT_VERBOSE 298
+#define PERCENT_YACC 299
+#define BRACED_CODE 300
+#define CHAR 301
+#define EPILOGUE 302
+#define EQUAL 303
+#define ID 304
+#define ID_COLON 305
+#define PERCENT_PERCENT 306
+#define PIPE 307
+#define PROLOGUE 308
+#define SEMICOLON 309
+#define TYPE 310
+#define TYPE_TAG_ANY 311
+#define TYPE_TAG_NONE 312
+#define PERCENT_UNION 313
+
+
+
+

 #if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED
 typedef union YYSTYPE
 #if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED
 typedef union YYSTYPE

-#line 95 "parse-gram.y"

 {
 {

+
+/* Line 1537 of yacc.c  */
+#line 97 "../../src/parse-gram.y"
+

   symbol *symbol;
   symbol_list *list;
   int integer;
   symbol *symbol;
   symbol_list *list;
   int integer;

-  char *chars;
+  char const *chars;
+  char *code;

   assoc assoc;
   uniqstr uniqstr;
   assoc assoc;
   uniqstr uniqstr;

-}
-/* Line 198 of yacc.c.  */
-#line 281 "parse-gram.c"
-       YYSTYPE;
+  unsigned char character;
+
+
+
+/* Line 1537 of yacc.c  */
+#line 329 "../../src/parse-gram.c"
+} YYSTYPE;
+# define YYSTYPE_IS_TRIVIAL 1

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

-# define YYSTYPE_IS_TRIVIAL 1

 #endif
 
 #if ! defined YYLTYPE && ! defined YYLTYPE_IS_DECLARED
 #endif
 
 #if ! defined YYLTYPE && ! defined YYLTYPE_IS_DECLARED


@@ -301,8 +349,8 @@ typedef struct YYLTYPE
 /* Copy the second part of user declarations.  */
 
 
 /* Copy the second part of user declarations.  */
 
 

-/* Line 221 of yacc.c.  */
-#line 306 "parse-gram.c"
+/* Line 1537 of yacc.c  */
+#line 354 "../../src/parse-gram.c"

 
 #ifdef short
 # undef short
 
 #ifdef short
 # undef short


@@ -377,14 +425,14 @@ typedef short int yytype_int16;
 #if (defined __STDC__ || defined __C99__FUNC__ \
      || defined __cplusplus || defined _MSC_VER)
 static int
 #if (defined __STDC__ || defined __C99__FUNC__ \
      || defined __cplusplus || defined _MSC_VER)
 static int

-YYID (int i)
+YYID (int yyi)

 #else
 static int
 #else
 static int

-YYID (i)
-    int i;
+YYID (yyi)
+    int yyi;

 #endif
 {
 #endif
 {

-  return i;
+  return yyi;

 }
 #endif
 
 }
 #endif
 


@@ -432,8 +480,13 @@ YYID (i)
 #  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


@@ -449,9 +502,6 @@ void *malloc (YYSIZE_T); /* INFRINGES ON USER NAME SPACE */
 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 /* ! defined yyoverflow || YYERROR_VERBOSE */
 
 # endif
 #endif /* ! defined yyoverflow || YYERROR_VERBOSE */
 


@@ -517,20 +567,20 @@ 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   161
+#define YYLAST   158

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

-#define YYNTOKENS  52
+#define YYNTOKENS  59

 /* YYNNTS -- Number of nonterminals.  */
 /* YYNNTS -- Number of nonterminals.  */

-#define YYNNTS  25
+#define YYNNTS  31

 /* YYNRULES -- Number of rules.  */
 /* YYNRULES -- Number of rules.  */

-#define YYNRULES  81
+#define YYNRULES  103

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

-#define YYNSTATES  110
+#define YYNSTATES  141

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

-#define YYMAXUTOK   306
+#define YYMAXUTOK   313

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


@@ -568,63 +618,74 @@ static const yytype_uint8 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,    51
+      45,    46,    47,    48,    49,    50,    51,    52,    53,    54,
+      55,    56,    57,    58

 };
 
 #if YYDEBUG
 /* YYPRHS[YYN] -- Index of the first RHS symbol of rule number YYN in
    YYRHS.  */
 };
 
 #if YYDEBUG
 /* YYPRHS[YYN] -- Index of the first RHS symbol of rule number YYN in
    YYRHS.  */

-static const yytype_uint8 yyprhs[] =
+static const yytype_uint16 yyprhs[] =

 {
 {

-       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
+       0,     0,     3,     8,     9,    12,    14,    16,    18,    22,
+      24,    27,    29,    32,    35,    38,    42,    44,    47,    50,
+      53,    55,    58,    62,    64,    66,    69,    73,    76,    78,
+      80,    82,    85,    88,    90,    92,    94,    96,    98,   100,
+     103,   107,   111,   113,   115,   118,   122,   123,   125,   129,
+     130,   134,   135,   139,   143,   147,   149,   151,   153,   154,
+     156,   158,   161,   163,   166,   168,   170,   172,   174,   176,
+     178,   181,   184,   188,   190,   193,   195,   198,   200,   203,
+     206,   207,   211,   213,   217,   220,   221,   224,   227,   231,
+     235,   239,   241,   243,   244,   246,   248,   250,   252,   254,
+     256,   258,   260,   261

 };
 
 /* YYRHS -- A `-1'-separated list of the rules' RHS.  */
 static const yytype_int8 yyrhs[] =
 {
 };
 
 /* YYRHS -- A `-1'-separated list of the rules' RHS.  */
 static const yytype_int8 yyrhs[] =
 {

-      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
+      60,     0,    -1,    61,    51,    76,    89,    -1,    -1,    61,
+      62,    -1,    63,    -1,    53,    -1,    17,    -1,    19,    82,
+      83,    -1,    20,    -1,    20,     3,    -1,    21,    -1,    22,
+       4,    -1,    23,     4,    -1,    24,     3,    -1,    24,    48,
+       3,    -1,    25,    -1,    26,    45,    -1,    27,     3,    -1,
+      28,    45,    -1,    29,    -1,    30,     3,    -1,    30,    48,
+       3,    -1,    32,    -1,    33,    -1,    34,     3,    -1,    34,
+      48,     3,    -1,    35,    45,    -1,    36,    -1,    37,    -1,
+      38,    -1,    39,     3,    -1,    40,     3,    -1,    42,    -1,
+      43,    -1,    44,    -1,    54,    -1,    68,    -1,    65,    -1,
+      41,    87,    -1,     8,    45,    72,    -1,     9,    45,    72,
+      -1,    18,    -1,    31,    -1,    16,    84,    -1,    16,    49,
+      84,    -1,    -1,    49,    -1,    58,    64,    84,    -1,    -1,
+       6,    66,    75,    -1,    -1,     5,    67,    75,    -1,     7,
+      55,    71,    -1,    69,    70,    71,    -1,    10,    -1,    11,
+      -1,    12,    -1,    -1,    55,    -1,    87,    -1,    71,    87,
+      -1,    73,    -1,    72,    73,    -1,    87,    -1,    55,    -1,
+      56,    -1,    57,    -1,    55,    -1,    85,    -1,    85,     4,
+      -1,    85,    88,    -1,    85,     4,    88,    -1,    74,    -1,
+      75,    74,    -1,    77,    -1,    76,    77,    -1,    78,    -1,
+      63,    54,    -1,     1,    54,    -1,    -1,    86,    79,    80,
+      -1,    81,    -1,    80,    52,    81,    -1,    80,    54,    -1,
+      -1,    81,    87,    -1,    81,    45,    -1,    81,    13,    87,
+      -1,    81,    14,     4,    -1,    81,    15,    55,    -1,    49,
+      -1,     3,    -1,    -1,     3,    -1,    45,    -1,    49,    -1,
+      46,    -1,    50,    -1,    85,    -1,    88,    -1,     3,    -1,
+      -1,    51,    47,    -1

 };
 
 /* YYRLINE[YYN] -- source line where rule number YYN was defined.  */
 static const yytype_uint16 yyrline[] =
 {
 };
 
 /* YYRLINE[YYN] -- source line where rule number YYN was defined.  */
 static const yytype_uint16 yyrline[] =
 {

-       0,   205,   205,   213,   215,   219,   220,   221,   222,   227,
-     228,   229,   230,   231,   232,   233,   238,   242,   243,   244,
-     245,   246,   247,   248,   249,   250,   251,   252,   253,   254,
-     255,   259,   260,   261,   265,   281,   288,   295,   299,   306,
-     306,   311,   311,   316,   326,   341,   342,   343,   347,   348,
-     354,   355,   360,   364,   369,   375,   381,   392,   393,   402,
-     403,   409,   410,   411,   418,   418,   422,   423,   424,   429,
-     430,   432,   434,   436,   438,   443,   444,   448,   454,   463,
-     468,   470
+       0,   210,   210,   218,   220,   224,   225,   235,   236,   250,
+     251,   256,   257,   258,   259,   260,   261,   266,   275,   276,
+     277,   278,   279,   280,   281,   282,   283,   284,   285,   286,
+     287,   288,   289,   313,   314,   315,   316,   320,   321,   322,
+     326,   333,   340,   344,   348,   353,   376,   377,   381,   393,
+     393,   398,   398,   403,   414,   429,   430,   431,   435,   436,
+     441,   443,   448,   449,   453,   454,   455,   456,   461,   466,
+     471,   477,   483,   494,   495,   504,   505,   511,   512,   513,
+     520,   520,   524,   525,   526,   531,   532,   534,   536,   538,
+     540,   550,   551,   557,   560,   569,   589,   591,   600,   605,
+     606,   611,   618,   620

 };
 #endif
 
 };
 #endif
 


@@ -634,24 +695,27 @@ static const yytype_uint16 yyrline[] =
 static const char *const yytname[] =
 {
   "\"end of file\"", "error", "$undefined", "\"string\"", "\"integer\"",
 static const char *const yytname[] =
 {
   "\"end of file\"", "error", "$undefined", "\"string\"", "\"integer\"",

-  "\"%token\"", "\"%nterm\"", "\"%type\"", "\"%destructor {...}\"",
-  "\"%printer {...}\"", "\"%union {...}\"", "\"%left\"", "\"%right\"",
-  "\"%nonassoc\"", "\"%prec\"", "\"%dprec\"", "\"%merge\"", "\"%debug\"",
+  "\"%token\"", "\"%nterm\"", "\"%type\"", "\"%destructor\"",
+  "\"%printer\"", "\"%left\"", "\"%right\"", "\"%nonassoc\"", "\"%prec\"",
+  "\"%dprec\"", "\"%merge\"", "\"%code\"", "\"%debug\"",

   "\"%default-prec\"", "\"%define\"", "\"%defines\"", "\"%error-verbose\"",
   "\"%expect\"", "\"%expect-rr\"", "\"%file-prefix\"", "\"%glr-parser\"",
   "\"%default-prec\"", "\"%define\"", "\"%defines\"", "\"%error-verbose\"",
   "\"%expect\"", "\"%expect-rr\"", "\"%file-prefix\"", "\"%glr-parser\"",

-  "\"%initial-action {...}\"", "\"%lex-param {...}\"", "\"%locations\"",
-  "\"%name-prefix\"", "\"%no-default-prec\"", "\"%no-lines\"",
-  "\"%nondeterministic-parser\"", "\"%output\"", "\"%parse-param {...}\"",
-  "\"%pure-parser\"", "\"%require\"", "\"%skeleton\"", "\"%start\"",
-  "\"%token-table\"", "\"%verbose\"", "\"%yacc\"", "\"type\"", "\"=\"",
-  "\";\"", "\"|\"", "\"identifier\"", "\"identifier:\"", "\"%%\"",
-  "\"%{...%}\"", "\"epilogue\"", "\"{...}\"", "$accept", "input",
-  "declarations", "declaration", "grammar_declaration",
-  "symbol_declaration", "@1", "@2", "precedence_declaration",
-  "precedence_declarator", "type.opt", "symbols.1", "symbol_def",
-  "symbol_defs.1", "grammar", "rules_or_grammar_declaration", "rules",
-  "@3", "rhses.1", "rhs", "symbol", "action", "string_as_id",
-  "string_content", "epilogue.opt", 0
+  "\"%initial-action\"", "\"%language\"", "\"%lex-param\"",
+  "\"%locations\"", "\"%name-prefix\"", "\"%no-default-prec\"",
+  "\"%no-lines\"", "\"%nondeterministic-parser\"", "\"%output\"",
+  "\"%parse-param\"", "\"%pure-parser\"", "\"%push-parser\"",
+  "\"%push-pull-parser\"", "\"%require\"", "\"%skeleton\"", "\"%start\"",
+  "\"%token-table\"", "\"%verbose\"", "\"%yacc\"", "\"{...}\"", "\"char\"",
+  "\"epilogue\"", "\"=\"", "\"identifier\"", "\"identifier:\"", "\"%%\"",
+  "\"|\"", "\"%{...%}\"", "\";\"", "\"type\"", "\"<*>\"", "\"<>\"",
+  "\"%union\"", "$accept", "input", "prologue_declarations",
+  "prologue_declaration", "grammar_declaration", "union_name",
+  "symbol_declaration", "$@1", "$@2", "precedence_declaration",
+  "precedence_declarator", "type.opt", "symbols.1", "generic_symlist",
+  "generic_symlist_item", "symbol_def", "symbol_defs.1", "grammar",
+  "rules_or_grammar_declaration", "rules", "$@3", "rhses.1", "rhs",
+  "variable", "content.opt", "braceless", "id", "id_colon", "symbol",
+  "string_as_id", "epilogue.opt", 0

 };
 #endif
 
 };
 #endif
 


@@ -665,36 +729,40 @@ static const yytype_uint16 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,   306
+     305,   306,   307,   308,   309,   310,   311,   312,   313

 };
 # endif
 
 /* YYR1[YYN] -- Symbol number of symbol that rule YYN derives.  */
 static const yytype_uint8 yyr1[] =
 {
 };
 # endif
 
 /* YYR1[YYN] -- Symbol number of symbol that rule YYN derives.  */
 static const yytype_uint8 yyr1[] =
 {

-       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
+       0,    59,    60,    61,    61,    62,    62,    62,    62,    62,
+      62,    62,    62,    62,    62,    62,    62,    62,    62,    62,
+      62,    62,    62,    62,    62,    62,    62,    62,    62,    62,
+      62,    62,    62,    62,    62,    62,    62,    63,    63,    63,
+      63,    63,    63,    63,    63,    63,    64,    64,    63,    66,
+      65,    67,    65,    65,    68,    69,    69,    69,    70,    70,
+      71,    71,    72,    72,    73,    73,    73,    73,    74,    74,
+      74,    74,    74,    75,    75,    76,    76,    77,    77,    77,
+      79,    78,    80,    80,    80,    81,    81,    81,    81,    81,
+      81,    82,    82,    83,    83,    84,    85,    85,    86,    87,
+      87,    88,    89,    89

 };
 
 /* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN.  */
 static const yytype_uint8 yyr2[] =
 {
 };
 
 /* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN.  */
 static const yytype_uint8 yyr2[] =
 {

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

        3,     0,     3,     3,     3,     1,     1,     1,     0,     1,
        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
+       1,     2,     1,     2,     1,     1,     1,     1,     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,     0,     1,     1,     1,     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


@@ -702,115 +770,127 @@ static const yytype_uint8 yyr2[] =
    means the default is an error.  */
 static const yytype_uint8 yydefact[] =
 {
    means the default is an error.  */
 static const yytype_uint8 yydefact[] =
 {

-       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
+       3,     0,     0,     1,    51,    49,     0,     0,     0,    55,
+      56,    57,     0,     7,    42,     0,     9,    11,     0,     0,
+       0,    16,     0,     0,     0,    20,     0,    43,    23,    24,
+       0,     0,    28,    29,    30,     0,     0,     0,    33,    34,
+      35,     0,     6,    36,    46,     4,     5,    38,    37,    58,
+       0,     0,     0,     0,     0,    95,     0,    44,    92,    91,
+      93,    10,    12,    13,    14,     0,    17,    18,    19,    21,
+       0,    25,     0,    27,    31,    32,   101,    97,    96,    99,
+      39,   100,     0,    98,     0,     0,    75,    77,    80,    47,
+       0,    59,     0,    68,    73,    52,    69,    50,    53,    60,
+      65,    66,    67,    40,    62,    64,    41,    45,    94,     8,
+      15,    22,    26,    79,    78,     0,    76,     2,    85,    48,
+      54,    74,    70,    71,    61,    63,   103,    81,    82,    72,
+      85,    84,     0,     0,     0,    87,    86,    83,    88,    89,
+      90

 };
 
 /* YYDEFGOTO[NTERM-NUM].  */
 };
 
 /* YYDEFGOTO[NTERM-NUM].  */

-static const yytype_int8 yydefgoto[] =
+static const yytype_int16 yydefgoto[] =

 {
 {

-      -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
+      -1,     1,     2,    45,    84,    90,    47,    51,    50,    48,
+      49,    92,    98,   103,   104,    94,    95,    85,    86,    87,
+     118,   127,   128,    60,   109,    57,    79,    88,   105,    81,
+     117

 };
 
 /* 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 -69
-static const yytype_int8 yypact[] =
+#define YYPACT_NINF -79
+static const yytype_int16 yypact[] =

 {
 {

-     -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
+     -79,     5,    96,   -79,   -79,   -79,    -6,    13,    18,   -79,
+     -79,   -79,    -8,   -79,   -79,    27,    66,   -79,    74,    82,
+      31,   -79,    43,    86,    45,   -79,    32,   -79,   -79,   -79,
+      33,    47,   -79,   -79,   -79,    91,    93,    26,   -79,   -79,
+     -79,    15,   -79,   -79,    48,   -79,   -79,   -79,   -79,    44,
+      38,    38,    26,    11,    11,   -79,    53,   -79,   -79,   -79,
+     106,   -79,   -79,   -79,   -79,   107,   -79,   -79,   -79,   -79,
+     108,   -79,   138,   -79,   -79,   -79,   -79,   -79,   -79,   -79,
+     -79,   -79,    88,   -79,    89,     1,   -79,   -79,   -79,   -79,
+      53,   -79,    26,   -79,   -79,    38,    50,    38,    26,   -79,
+     -79,   -79,   -79,    11,   -79,   -79,    11,   -79,   -79,   -79,
+     -79,   -79,   -79,   -79,   -79,    97,   -79,   -79,   -79,   -79,
+      26,   -79,   142,   -79,   -79,   -79,   -79,    -7,    25,   -79,
+     -79,   -79,    26,   144,    98,   -79,   -79,    25,   -79,   -79,
+     -79

 };
 
 /* YYPGOTO[NTERM-NUM].  */
 };
 
 /* YYPGOTO[NTERM-NUM].  */

-static const yytype_int8 yypgoto[] =
+static const yytype_int16 yypgoto[] =

 {
 {

-     -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
+     -79,   -79,   -79,   -79,   149,   -79,   -79,   -79,   -79,   -79,
+     -79,   -79,    54,   101,   -21,   -33,   105,   -79,    67,   -79,
+     -79,   -79,    28,   -79,   -79,   -13,   -47,   -79,   -37,   -78,
+     -79

 };
 
 /* 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 -81
-static const yytype_int8 yytable[] =
+#define YYTABLE_NINF -103
+static const yytype_int16 yytable[] =

 {
 {

-      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
+      80,  -102,    82,    96,    96,     3,     4,     5,     6,     7,
+       8,     9,    10,    11,    76,    99,    82,    12,   123,    14,
+       4,     5,     6,     7,     8,     9,    10,    11,    76,    76,
+      58,    12,    27,    14,    64,    69,    71,    55,   132,   133,
+     134,    56,    37,   107,   129,   130,    27,   131,    96,    52,
+      96,    83,   115,    76,   122,    99,    37,    77,    53,    44,
+      78,   124,   121,    54,   121,    83,   100,   101,   102,    61,
+     135,    77,    77,    44,    78,    78,    59,   119,    62,    65,
+      70,    72,   125,   124,    77,   125,    63,    78,    66,    67,
+      68,   136,    73,    93,    74,   138,    75,    89,    55,    91,
+     136,     4,     5,     6,     7,     8,     9,    10,    11,   108,
+     110,   111,    12,    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,    38,    39,
+      40,   112,   113,   114,   126,    76,   120,    41,   139,    42,
+      43,    46,   116,   140,    44,   106,    97,     0,   137

 };
 
 };
 

-static const yytype_int8 yycheck[] =
+static const yytype_int16 yycheck[] =

 {
 {

-      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
+      37,     0,     1,    50,    51,     0,     5,     6,     7,     8,
+       9,    10,    11,    12,     3,    52,     1,    16,    96,    18,
+       5,     6,     7,     8,     9,    10,    11,    12,     3,     3,
+       3,    16,    31,    18,     3,     3,     3,    45,    13,    14,
+      15,    49,    41,    56,   122,    52,    31,    54,    95,    55,
+      97,    50,    51,     3,     4,    92,    41,    46,    45,    58,
+      49,    98,    95,    45,    97,    50,    55,    56,    57,     3,
+      45,    46,    46,    58,    49,    49,    49,    90,     4,    48,
+      48,    48,   103,   120,    46,   106,     4,    49,    45,     3,
+      45,   128,    45,    55,     3,   132,     3,    49,    45,    55,
+     137,     5,     6,     7,     8,     9,    10,    11,    12,     3,
+       3,     3,    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,     3,    54,    54,    47,     3,    92,    51,     4,    53,
+      54,     2,    85,    55,    58,    54,    51,    -1,   130

 };
 
 /* YYSTOS[STATE-NUM] -- The (internal number of the) accessing
    symbol of state STATE-NUM.  */
 static const yytype_uint8 yystos[] =
 {
 };
 
 /* YYSTOS[STATE-NUM] -- The (internal number of the) accessing
    symbol of state STATE-NUM.  */
 static const yytype_uint8 yystos[] =
 {

-       0,    53,    54,     0,     5,     6,     7,     8,     9,    10,
-      11,    12,    13,    17,    18,    19,    20,    21,    22,    23,
+       0,    60,    61,     0,     5,     6,     7,     8,     9,    10,
+      11,    12,    16,    17,    18,    19,    20,    21,    22,    23,

       24,    25,    26,    27,    28,    29,    30,    31,    32,    33,
       24,    25,    26,    27,    28,    29,    30,    31,    32,    33,

-      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
+      34,    35,    36,    37,    38,    39,    40,    41,    42,    43,
+      44,    51,    53,    54,    58,    62,    63,    65,    68,    69,
+      67,    66,    55,    45,    45,    45,    49,    84,     3,    49,
+      82,     3,     4,     4,     3,    48,    45,     3,    45,     3,
+      48,     3,    48,    45,     3,     3,     3,    46,    49,    85,
+      87,    88,     1,    50,    63,    76,    77,    78,    86,    49,
+      64,    55,    70,    55,    74,    75,    85,    75,    71,    87,
+      55,    56,    57,    72,    73,    87,    72,    84,     3,    83,
+       3,     3,     3,    54,    54,    51,    77,    89,    79,    84,
+      71,    74,     4,    88,    87,    73,    47,    80,    81,    88,
+      52,    54,    13,    14,    15,    45,    87,    81,    87,     4,
+      55

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


@@ -937,14 +1017,14 @@ do {                                                                       \
 #if (defined __STDC__ || defined __C99__FUNC__ \
      || defined __cplusplus || defined _MSC_VER)
 static void
 #if (defined __STDC__ || defined __C99__FUNC__ \
      || defined __cplusplus || defined _MSC_VER)
 static void

-yy_symbol_value_print (FILE *yyoutput, int yytype, const YYSTYPE * const yyvaluep, const YYLTYPE * const yylocationp)
+yy_symbol_value_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep, YYLTYPE const * const yylocationp)

 #else
 static void
 yy_symbol_value_print (yyoutput, yytype, yyvaluep, yylocationp)
     FILE *yyoutput;
     int yytype;
 #else
 static void
 yy_symbol_value_print (yyoutput, yytype, yyvaluep, yylocationp)
     FILE *yyoutput;
     int yytype;

-    const YYSTYPE * const yyvaluep;
-    const YYLTYPE * const yylocationp;
+    YYSTYPE const * const yyvaluep;
+    YYLTYPE const * const yylocationp;

 #endif
 {
   if (!yyvaluep)
 #endif
 {
   if (!yyvaluep)


@@ -959,94 +1039,148 @@ yy_symbol_value_print (yyoutput, yytype, yyvaluep, yylocationp)
   switch (yytype)
     {
       case 3: /* "\"string\"" */
   switch (yytype)
     {
       case 3: /* "\"string\"" */

-#line 182 "parse-gram.y"
-       { fprintf (stderr, "\"%s\"", (yyvaluep->chars)); };
-#line 965 "parse-gram.c"
+
+/* Line 1537 of yacc.c  */
+#line 188 "../../src/parse-gram.y"
+       { fputs (quotearg_style (c_quoting_style, (yyvaluep->chars)), stderr); };
+
+/* Line 1537 of yacc.c  */
+#line 1049 "../../src/parse-gram.c"

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

-#line 195 "parse-gram.y"
+
+/* Line 1537 of yacc.c  */
+#line 199 "../../src/parse-gram.y"

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

-#line 970 "parse-gram.c"
+
+/* Line 1537 of yacc.c  */
+#line 1058 "../../src/parse-gram.c"

        break;
        break;

-      case 8: /* "\"%destructor {...}\"" */
-#line 184 "parse-gram.y"
-       { fprintf (stderr, "{\n%s\n}", (yyvaluep->chars)); };
-#line 975 "parse-gram.c"
+      case 45: /* "\"{...}\"" */
+
+/* Line 1537 of yacc.c  */
+#line 190 "../../src/parse-gram.y"
+       { fprintf (stderr, "{\n%s\n}", (yyvaluep->code)); };
+
+/* Line 1537 of yacc.c  */
+#line 1067 "../../src/parse-gram.c"

        break;
        break;

-      case 9: /* "\"%printer {...}\"" */
-#line 188 "parse-gram.y"
-       { fprintf (stderr, "{\n%s\n}", (yyvaluep->chars)); };
-#line 980 "parse-gram.c"
+      case 46: /* "\"char\"" */
+
+/* Line 1537 of yacc.c  */
+#line 182 "../../src/parse-gram.y"
+       { fputs (char_name ((yyvaluep->character)), stderr); };
+
+/* Line 1537 of yacc.c  */
+#line 1076 "../../src/parse-gram.c"

        break;
        break;

-      case 10: /* "\"%union {...}\"" */
-#line 189 "parse-gram.y"
+      case 47: /* "\"epilogue\"" */
+
+/* Line 1537 of yacc.c  */
+#line 190 "../../src/parse-gram.y"

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

-#line 985 "parse-gram.c"
+
+/* Line 1537 of yacc.c  */
+#line 1085 "../../src/parse-gram.c"

        break;
        break;

-      case 26: /* "\"%initial-action {...}\"" */
-#line 185 "parse-gram.y"
-       { fprintf (stderr, "{\n%s\n}", (yyvaluep->chars)); };
-#line 990 "parse-gram.c"
+      case 49: /* "\"identifier\"" */
+
+/* Line 1537 of yacc.c  */
+#line 195 "../../src/parse-gram.y"
+       { fputs ((yyvaluep->uniqstr), stderr); };
+
+/* Line 1537 of yacc.c  */
+#line 1094 "../../src/parse-gram.c"

        break;
        break;

-      case 27: /* "\"%lex-param {...}\"" */
-#line 186 "parse-gram.y"
-       { fprintf (stderr, "{\n%s\n}", (yyvaluep->chars)); };
-#line 995 "parse-gram.c"
+      case 50: /* "\"identifier:\"" */
+
+/* Line 1537 of yacc.c  */
+#line 196 "../../src/parse-gram.y"
+       { fprintf (stderr, "%s:", (yyvaluep->uniqstr)); };
+
+/* Line 1537 of yacc.c  */
+#line 1103 "../../src/parse-gram.c"

        break;
        break;

-      case 34: /* "\"%parse-param {...}\"" */
-#line 187 "parse-gram.y"
+      case 53: /* "\"%{...%}\"" */
+
+/* Line 1537 of yacc.c  */
+#line 190 "../../src/parse-gram.y"

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

-#line 1000 "parse-gram.c"
+
+/* Line 1537 of yacc.c  */
+#line 1112 "../../src/parse-gram.c"

        break;
        break;

-      case 42: /* "\"type\"" */
-#line 193 "parse-gram.y"
+      case 55: /* "\"type\"" */
+
+/* Line 1537 of yacc.c  */
+#line 194 "../../src/parse-gram.y"

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

-#line 1005 "parse-gram.c"
-       break;
-      case 46: /* "\"identifier\"" */
-#line 197 "parse-gram.y"
-       { fprintf (stderr, "%s", (yyvaluep->symbol)->tag); };
-#line 1010 "parse-gram.c"
-       break;
-      case 47: /* "\"identifier:\"" */
-#line 199 "parse-gram.y"
-       { fprintf (stderr, "%s:", (yyvaluep->symbol)->tag); };
-#line 1015 "parse-gram.c"
+
+/* Line 1537 of yacc.c  */
+#line 1121 "../../src/parse-gram.c"

        break;
        break;

-      case 49: /* "\"%{...%}\"" */
-#line 191 "parse-gram.y"
-       { fprintf (stderr, "{\n%s\n}", (yyvaluep->chars)); };
-#line 1020 "parse-gram.c"
+      case 82: /* "variable" */
+
+/* Line 1537 of yacc.c  */
+#line 195 "../../src/parse-gram.y"
+       { fputs ((yyvaluep->uniqstr), stderr); };
+
+/* Line 1537 of yacc.c  */
+#line 1130 "../../src/parse-gram.c"

        break;
        break;

-      case 50: /* "\"epilogue\"" */
-#line 191 "parse-gram.y"
+      case 83: /* "content.opt" */
+
+/* Line 1537 of yacc.c  */
+#line 190 "../../src/parse-gram.y"

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

-#line 1025 "parse-gram.c"
+
+/* Line 1537 of yacc.c  */
+#line 1139 "../../src/parse-gram.c"

        break;
        break;

-      case 51: /* "\"{...}\"" */
-#line 190 "parse-gram.y"
+      case 84: /* "braceless" */
+
+/* Line 1537 of yacc.c  */
+#line 190 "../../src/parse-gram.y"

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

-#line 1030 "parse-gram.c"
+
+/* Line 1537 of yacc.c  */
+#line 1148 "../../src/parse-gram.c"

        break;
        break;

-      case 72: /* "symbol" */
-#line 197 "parse-gram.y"
+      case 85: /* "id" */
+
+/* Line 1537 of yacc.c  */
+#line 202 "../../src/parse-gram.y"

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

-#line 1035 "parse-gram.c"
+
+/* Line 1537 of yacc.c  */
+#line 1157 "../../src/parse-gram.c"

        break;
        break;

-      case 73: /* "action" */
-#line 190 "parse-gram.y"
-       { fprintf (stderr, "{\n%s\n}", (yyvaluep->chars)); };
-#line 1040 "parse-gram.c"
+      case 86: /* "id_colon" */
+
+/* Line 1537 of yacc.c  */
+#line 203 "../../src/parse-gram.y"
+       { fprintf (stderr, "%s:", (yyvaluep->symbol)->tag); };
+
+/* Line 1537 of yacc.c  */
+#line 1166 "../../src/parse-gram.c"

        break;
        break;

-      case 74: /* "string_as_id" */
-#line 197 "parse-gram.y"
+      case 87: /* "symbol" */
+
+/* Line 1537 of yacc.c  */
+#line 202 "../../src/parse-gram.y"

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

-#line 1045 "parse-gram.c"
+
+/* Line 1537 of yacc.c  */
+#line 1175 "../../src/parse-gram.c"

        break;
        break;

-      case 75: /* "string_content" */
-#line 182 "parse-gram.y"
-       { fprintf (stderr, "\"%s\"", (yyvaluep->chars)); };
-#line 1050 "parse-gram.c"
+      case 88: /* "string_as_id" */
+
+/* Line 1537 of yacc.c  */
+#line 202 "../../src/parse-gram.y"
+       { fprintf (stderr, "%s", (yyvaluep->symbol)->tag); };
+
+/* Line 1537 of yacc.c  */
+#line 1184 "../../src/parse-gram.c"

        break;
       default:
        break;
        break;
       default:
        break;


@@ -1061,14 +1195,14 @@ yy_symbol_value_print (yyoutput, yytype, yyvaluep, yylocationp)
 #if (defined __STDC__ || defined __C99__FUNC__ \
      || defined __cplusplus || defined _MSC_VER)
 static void
 #if (defined __STDC__ || defined __C99__FUNC__ \
      || defined __cplusplus || defined _MSC_VER)
 static void

-yy_symbol_print (FILE *yyoutput, int yytype, const YYSTYPE * const yyvaluep, const YYLTYPE * const yylocationp)
+yy_symbol_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep, YYLTYPE const * const yylocationp)

 #else
 static void
 yy_symbol_print (yyoutput, yytype, yyvaluep, yylocationp)
     FILE *yyoutput;
     int yytype;
 #else
 static void
 yy_symbol_print (yyoutput, yytype, yyvaluep, yylocationp)
     FILE *yyoutput;
     int yytype;

-    const YYSTYPE * const yyvaluep;
-    const YYLTYPE * const yylocationp;
+    YYSTYPE const * const yyvaluep;
+    YYLTYPE const * const yylocationp;

 #endif
 {
   if (yytype < YYNTOKENS)
 #endif
 {
   if (yytype < YYNTOKENS)


@@ -1090,17 +1224,20 @@ yy_symbol_print (yyoutput, yytype, yyvaluep, yylocationp)
 #if (defined __STDC__ || defined __C99__FUNC__ \
      || defined __cplusplus || defined _MSC_VER)
 static void
 #if (defined __STDC__ || defined __C99__FUNC__ \
      || defined __cplusplus || defined _MSC_VER)
 static void

-yy_stack_print (yytype_int16 *bottom, yytype_int16 *top)
+yy_stack_print (yytype_int16 *yybottom, yytype_int16 *yytop)

 #else
 static void
 #else
 static void

-yy_stack_print (bottom, top)
-    yytype_int16 *bottom;
-    yytype_int16 *top;
+yy_stack_print (yybottom, yytop)
+    yytype_int16 *yybottom;
+    yytype_int16 *yytop;

 #endif
 {
   YYFPRINTF (stderr, "Stack now");
 #endif
 {
   YYFPRINTF (stderr, "Stack now");

-  for (; bottom <= top; ++bottom)
-    YYFPRINTF (stderr, " %d", *bottom);
+  for (; yybottom <= yytop; yybottom++)
+    {
+      int yybot = *yybottom;
+      YYFPRINTF (stderr, " %d", yybot);
+    }

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


@@ -1121,8 +1258,7 @@ static void
 yy_reduce_print (YYSTYPE *yyvsp, YYLTYPE *yylsp, int yyrule)
 #else
 static void
 yy_reduce_print (YYSTYPE *yyvsp, YYLTYPE *yylsp, int yyrule)
 #else
 static void

-yy_reduce_print (yyvsp, yylsp, yyrule
-                  )
+yy_reduce_print (yyvsp, yylsp, yyrule)

     YYSTYPE *yyvsp;
     YYLTYPE *yylsp;
     int yyrule;
     YYSTYPE *yyvsp;
     YYLTYPE *yylsp;
     int yyrule;


@@ -1245,7 +1381,7 @@ yytnamerr (char *yyres, const char *yystr)
 {
   if (*yystr == '"')
     {
 {
   if (*yystr == '"')
     {

-      size_t yyn = 0;
+      YYSIZE_T yyn = 0;

       char const *yyp = yystr;
 
       for (;;)
       char const *yyp = yystr;
 
       for (;;)


@@ -1292,7 +1428,7 @@ yysyntax_error (char *yyresult, int yystate, int yychar)
 {
   int yyn = yypact[yystate];
 
 {
   int yyn = yypact[yystate];
 

-  if (! (YYPACT_NINF < yyn && yyn < YYLAST))
+  if (! (YYPACT_NINF < yyn && yyn <= YYLAST))

     return 0;
   else
     {
     return 0;
   else
     {


@@ -1330,7 +1466,7 @@ yysyntax_error (char *yyresult, int yystate, int yychar)
       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.  */

-      int yychecklim = YYLAST - yyn;
+      int yychecklim = YYLAST - yyn + 1;

       int yyxend = yychecklim < YYNTOKENS ? yychecklim : YYNTOKENS;
       int yycount = 1;
 
       int yyxend = yychecklim < YYNTOKENS ? yychecklim : YYNTOKENS;
       int yycount = 1;
 


@@ -1471,15 +1607,15 @@ yyparse ()
 #endif
 #endif
 {
 #endif
 #endif
 {

-  /* The look-ahead symbol.  */
+  /* The lookahead symbol.  */

 int yychar;
 
 int yychar;
 

-/* The semantic value of the look-ahead symbol.  */
+/* The semantic value of the lookahead symbol.  */

 YYSTYPE yylval;
 
 /* Number of syntax errors so far.  */
 int yynerrs;
 YYSTYPE yylval;
 
 /* Number of syntax errors so far.  */
 int yynerrs;

-/* Location data for the look-ahead symbol.  */
+/* Location data for the lookahead symbol.  */

 YYLTYPE yylloc;
 
   int yystate;
 YYLTYPE yylloc;
 
   int yystate;


@@ -1487,7 +1623,7 @@ YYLTYPE yylloc;
   int yyresult;
   /* Number of tokens to shift before error messages enabled.  */
   int yyerrstatus;
   int yyresult;
   /* Number of tokens to shift before error messages enabled.  */
   int yyerrstatus;

-  /* Look-ahead token as an internal (translated) token number.  */
+  /* Lookahead token as an internal (translated) token number.  */

   int yytoken = 0;
 #if YYERROR_VERBOSE
   /* Buffer for error messages, and its allocated size.  */
   int yytoken = 0;
 #if YYERROR_VERBOSE
   /* Buffer for error messages, and its allocated size.  */


@@ -1552,21 +1688,23 @@ YYLTYPE yylloc;
 #if YYLTYPE_IS_TRIVIAL
   /* Initialize the default location before parsing starts.  */
   yylloc.first_line   = yylloc.last_line   = 1;
 #if YYLTYPE_IS_TRIVIAL
   /* Initialize the default location before parsing starts.  */
   yylloc.first_line   = yylloc.last_line   = 1;

-  yylloc.first_column = yylloc.last_column = 0;
+  yylloc.first_column = yylloc.last_column = 1;

 #endif
 
 
   /* User initialization code.  */
 #endif
 
 
   /* User initialization code.  */

-#line 85 "parse-gram.y"
+  
+/* Line 1537 of yacc.c  */
+#line 89 "../../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. */

-  yylloc.start.file   = yylloc.end.file   = current_file;
-  yylloc.start.line   = yylloc.end.line   = 1;
-  yylloc.start.column = yylloc.end.column = 0;
+  boundary_set (&yylloc.start, current_file, 1, 1);
+  boundary_set (&yylloc.end, current_file, 1, 1);

 }
 }

-/* Line 1081 of yacc.c.  */
-#line 1570 "parse-gram.c"
+
+/* Line 1537 of yacc.c  */
+#line 1708 "../../src/parse-gram.c"

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


@@ -1648,6 +1786,9 @@ YYLTYPE yylloc;
 
   YYDPRINTF ((stderr, "Entering state %d\n", yystate));
 
 
   YYDPRINTF ((stderr, "Entering state %d\n", yystate));
 

+  if (yystate == YYFINAL)
+    YYACCEPT;
+

   goto yybackup;
 
 /*-----------.
   goto yybackup;
 
 /*-----------.


@@ -1656,16 +1797,16 @@ YYLTYPE yylloc;
 yybackup:
 
   /* Do appropriate processing given the current state.  Read a
 yybackup:
 
   /* Do appropriate processing given the current state.  Read a

-     look-ahead token if we need one and don't already have one.  */
+     lookahead token if we need one and don't already have one.  */

 
 

-  /* First try to decide what to do without reference to look-ahead token.  */
+  /* First try to decide what to do without reference to lookahead token.  */

   yyn = yypact[yystate];
   if (yyn == YYPACT_NINF)
     goto yydefault;
 
   yyn = yypact[yystate];
   if (yyn == YYPACT_NINF)
     goto yydefault;
 

-  /* Not known => get a look-ahead token if don't already have one.  */
+  /* Not known => get a lookahead token if don't already have one.  */

 
 

-  /* YYCHAR is either YYEMPTY or YYEOF or a valid look-ahead symbol.  */
+  /* YYCHAR is either YYEMPTY or YYEOF or a valid lookahead symbol.  */

   if (yychar == YYEMPTY)
     {
       YYDPRINTF ((stderr, "Reading a token: "));
   if (yychar == YYEMPTY)
     {
       YYDPRINTF ((stderr, "Reading a token: "));


@@ -1697,20 +1838,16 @@ yybackup:
       goto yyreduce;
     }
 
       goto yyreduce;
     }
 

-  if (yyn == YYFINAL)
-    YYACCEPT;
-

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

-  /* Shift the look-ahead token.  */
+  /* Shift the lookahead token.  */

   YY_SYMBOL_PRINT ("Shifting", yytoken, &yylval, &yylloc);
 
   YY_SYMBOL_PRINT ("Shifting", yytoken, &yylval, &yylloc);
 

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

 
   yystate = yyn;
   *++yyvsp = yylval;
 
   yystate = yyn;
   *++yyvsp = yylval;


@@ -1751,296 +1888,553 @@ yyreduce:
   switch (yyn)
     {
         case 6:
   switch (yyn)
     {
         case 6:

-#line 220 "parse-gram.y"
-    { prologue_augment ((yyvsp[(1) - (1)].chars), (yylsp[(1) - (1)])); }
+
+/* Line 1537 of yacc.c  */
+#line 226 "../../src/parse-gram.y"
+    {
+      code_props plain_code;
+      code_props_plain_init (&plain_code, (yyvsp[(1) - (1)].chars), (yylsp[(1) - (1)]));
+      code_props_translate_code (&plain_code);
+      gram_scanner_last_string_free ();
+      muscle_code_grow (union_seen ? "post_prologue" : "pre_prologue",
+                        plain_code.code, (yylsp[(1) - (1)]));
+      code_scanner_last_string_free ();
+    }

     break;
 
   case 7:
     break;
 
   case 7:

-#line 221 "parse-gram.y"
+
+/* Line 1537 of yacc.c  */
+#line 235 "../../src/parse-gram.y"

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

-#line 223 "parse-gram.y"
+
+/* Line 1537 of yacc.c  */
+#line 237 "../../src/parse-gram.y"

     {
     {

-      static char one[] = "1";
-      muscle_insert ((yyvsp[(2) - (2)].chars), one);
+      char const name_prefix[] = "percent_define(";
+      size_t length = strlen ((yyvsp[(2) - (3)].uniqstr));
+      char *name = xmalloc (sizeof name_prefix + length + 1);
+      strcpy (name, name_prefix);
+      strcpy (name + sizeof name_prefix - 1, (yyvsp[(2) - (3)].uniqstr));
+      strcpy (name + sizeof name_prefix - 1 + length, ")");
+      if (muscle_find_const (name))
+        warn_at ((yylsp[(2) - (3)]), _("%s `%s' redefined"), "%define variable", (yyvsp[(2) - (3)].uniqstr));
+      MUSCLE_INSERT_STRING (uniqstr_new (name), (yyvsp[(3) - (3)].chars));
+      free (name);
+      muscle_grow_user_name_list ("percent_define_user_variables", (yyvsp[(2) - (3)].uniqstr), (yylsp[(2) - (3)]));

     }
     break;
 
   case 9:
     }
     break;
 
   case 9:

-#line 227 "parse-gram.y"
-    { muscle_insert ((yyvsp[(2) - (3)].chars), (yyvsp[(3) - (3)].chars)); }
+
+/* Line 1537 of yacc.c  */
+#line 250 "../../src/parse-gram.y"
+    { defines_flag = true; }

     break;
 
   case 10:
     break;
 
   case 10:

-#line 228 "parse-gram.y"
-    { defines_flag = true; }
+
+/* Line 1537 of yacc.c  */
+#line 252 "../../src/parse-gram.y"
+    {
+      defines_flag = true;
+      spec_defines_file = xstrdup ((yyvsp[(2) - (2)].chars));
+    }

     break;
 
   case 11:
     break;
 
   case 11:

-#line 229 "parse-gram.y"
+
+/* Line 1537 of yacc.c  */
+#line 256 "../../src/parse-gram.y"

     { error_verbose = true; }
     break;
 
   case 12:
     { error_verbose = true; }
     break;
 
   case 12:

-#line 230 "parse-gram.y"
+
+/* Line 1537 of yacc.c  */
+#line 257 "../../src/parse-gram.y"

     { expected_sr_conflicts = (yyvsp[(2) - (2)].integer); }
     break;
 
   case 13:
     { expected_sr_conflicts = (yyvsp[(2) - (2)].integer); }
     break;
 
   case 13:

-#line 231 "parse-gram.y"
+
+/* Line 1537 of yacc.c  */
+#line 258 "../../src/parse-gram.y"

     { expected_rr_conflicts = (yyvsp[(2) - (2)].integer); }
     break;
 
   case 14:
     { expected_rr_conflicts = (yyvsp[(2) - (2)].integer); }
     break;
 
   case 14:

-#line 232 "parse-gram.y"
-    { spec_file_prefix = (yyvsp[(3) - (3)].chars); }
+
+/* Line 1537 of yacc.c  */
+#line 259 "../../src/parse-gram.y"
+    { spec_file_prefix = (yyvsp[(2) - (2)].chars); }

     break;
 
   case 15:
     break;
 
   case 15:

-#line 234 "parse-gram.y"
-    {
-      nondeterministic_parser = true;
-      glr_parser = true;
-    }
+
+/* Line 1537 of yacc.c  */
+#line 260 "../../src/parse-gram.y"
+    { spec_file_prefix = (yyvsp[(3) - (3)].chars); }

     break;
 
   case 16:
     break;
 
   case 16:

-#line 239 "parse-gram.y"
+
+/* Line 1537 of yacc.c  */
+#line 262 "../../src/parse-gram.y"

     {
     {

-      muscle_code_grow ("initial_action", (yyvsp[(1) - (1)].chars), (yylsp[(1) - (1)]));
+      nondeterministic_parser = true;
+      glr_parser = true;

     }
     break;
 
   case 17:
     }
     break;
 
   case 17:

-#line 242 "parse-gram.y"
-    { add_param ("lex_param", (yyvsp[(1) - (1)].chars), (yylsp[(1) - (1)])); }
+
+/* Line 1537 of yacc.c  */
+#line 267 "../../src/parse-gram.y"
+    {
+      code_props action;
+      code_props_symbol_action_init (&action, (yyvsp[(2) - (2)].code), (yylsp[(2) - (2)]));
+      code_props_translate_code (&action);
+      gram_scanner_last_string_free ();
+      muscle_code_grow ("initial_action", action.code, (yylsp[(2) - (2)]));
+      code_scanner_last_string_free ();
+    }

     break;
 
   case 18:
     break;
 
   case 18:

-#line 243 "parse-gram.y"
-    { locations_flag = true; }
+
+/* Line 1537 of yacc.c  */
+#line 275 "../../src/parse-gram.y"
+    { language_argmatch ((yyvsp[(2) - (2)].chars), 1, &(yylsp[(1) - (2)])); }

     break;
 
   case 19:
     break;
 
   case 19:

-#line 244 "parse-gram.y"
-    { spec_name_prefix = (yyvsp[(3) - (3)].chars); }
+
+/* Line 1537 of yacc.c  */
+#line 276 "../../src/parse-gram.y"
+    { add_param ("lex_param", (yyvsp[(2) - (2)].code), (yylsp[(2) - (2)])); }

     break;
 
   case 20:
     break;
 
   case 20:

-#line 245 "parse-gram.y"
-    { no_lines_flag = true; }
+
+/* Line 1537 of yacc.c  */
+#line 277 "../../src/parse-gram.y"
+    { locations_flag = true; }

     break;
 
   case 21:
     break;
 
   case 21:

-#line 246 "parse-gram.y"
-    { nondeterministic_parser = true; }
+
+/* Line 1537 of yacc.c  */
+#line 278 "../../src/parse-gram.y"
+    { spec_name_prefix = (yyvsp[(2) - (2)].chars); }

     break;
 
   case 22:
     break;
 
   case 22:

-#line 247 "parse-gram.y"
-    { spec_outfile = (yyvsp[(3) - (3)].chars); }
+
+/* Line 1537 of yacc.c  */
+#line 279 "../../src/parse-gram.y"
+    { spec_name_prefix = (yyvsp[(3) - (3)].chars); }

     break;
 
   case 23:
     break;
 
   case 23:

-#line 248 "parse-gram.y"
-    { add_param ("parse_param", (yyvsp[(1) - (1)].chars), (yylsp[(1) - (1)])); }
+
+/* Line 1537 of yacc.c  */
+#line 280 "../../src/parse-gram.y"
+    { no_lines_flag = true; }

     break;
 
   case 24:
     break;
 
   case 24:

-#line 249 "parse-gram.y"
-    { pure_parser = true; }
+
+/* Line 1537 of yacc.c  */
+#line 281 "../../src/parse-gram.y"
+    { nondeterministic_parser = true; }

     break;
 
   case 25:
     break;
 
   case 25:

-#line 250 "parse-gram.y"
-    { version_check (&(yylsp[(2) - (2)]), (yyvsp[(2) - (2)].chars)); }
+
+/* Line 1537 of yacc.c  */
+#line 282 "../../src/parse-gram.y"
+    { spec_outfile = (yyvsp[(2) - (2)].chars); }

     break;
 
   case 26:
     break;
 
   case 26:

-#line 251 "parse-gram.y"
-    { skeleton = (yyvsp[(2) - (2)].chars); }
+
+/* Line 1537 of yacc.c  */
+#line 283 "../../src/parse-gram.y"
+    { spec_outfile = (yyvsp[(3) - (3)].chars); }

     break;
 
   case 27:
     break;
 
   case 27:

-#line 252 "parse-gram.y"
-    { token_table_flag = true; }
+
+/* Line 1537 of yacc.c  */
+#line 284 "../../src/parse-gram.y"
+    { add_param ("parse_param", (yyvsp[(2) - (2)].code), (yylsp[(2) - (2)])); }

     break;
 
   case 28:
     break;
 
   case 28:

-#line 253 "parse-gram.y"
-    { report_flag = report_states; }
+
+/* Line 1537 of yacc.c  */
+#line 285 "../../src/parse-gram.y"
+    { pure_parser = true; }

     break;
 
   case 29:
     break;
 
   case 29:

-#line 254 "parse-gram.y"
-    { yacc_flag = true; }
+
+/* Line 1537 of yacc.c  */
+#line 286 "../../src/parse-gram.y"
+    { push_parser = true; pull_parser = false; }

     break;
 
     break;
 

-  case 33:
-#line 262 "parse-gram.y"
+  case 30:
+
+/* Line 1537 of yacc.c  */
+#line 287 "../../src/parse-gram.y"
+    { push_parser = true; pull_parser = true; }
+    break;
+
+  case 31:
+
+/* Line 1537 of yacc.c  */
+#line 288 "../../src/parse-gram.y"
+    { version_check (&(yylsp[(2) - (2)]), (yyvsp[(2) - (2)].chars)); }
+    break;
+
+  case 32:
+
+/* Line 1537 of yacc.c  */
+#line 290 "../../src/parse-gram.y"

     {
     {

-      grammar_start_symbol_set ((yyvsp[(2) - (2)].symbol), (yylsp[(2) - (2)]));
+      char const *skeleton_user = (yyvsp[(2) - (2)].chars);
+      if (strchr (skeleton_user, '/'))
+        {
+          size_t dir_length = strlen (current_file);
+          char *skeleton_build;
+          while (dir_length && current_file[dir_length - 1] != '/')
+            --dir_length;
+          while (dir_length && current_file[dir_length - 1] == '/')
+            --dir_length;
+          skeleton_build =
+            xmalloc (dir_length + 1 + strlen (skeleton_user) + 1);
+          if (dir_length > 0)
+            {
+              strncpy (skeleton_build, current_file, dir_length);
+              skeleton_build[dir_length++] = '/';
+            }
+          strcpy (skeleton_build + dir_length, skeleton_user);
+          skeleton_user = uniqstr_new (skeleton_build);
+          free (skeleton_build);
+        }
+      skeleton_arg (skeleton_user, 1, &(yylsp[(1) - (2)]));

     }
     break;
 
     }
     break;
 

+  case 33:
+
+/* Line 1537 of yacc.c  */
+#line 313 "../../src/parse-gram.y"
+    { token_table_flag = true; }
+    break;
+

   case 34:
   case 34:

-#line 266 "parse-gram.y"
-    {
-      char const *body = (yyvsp[(1) - (1)].chars);

 
 

-      if (typed)
-       {
-         /* Concatenate the union bodies, turning the first one's
-            trailing '}' into '\n', and omitting the second one's '{'.  */
-         char *code = muscle_find ("stype");
-         code[strlen (code) - 1] = '\n';
-         body++;
-       }
+/* Line 1537 of yacc.c  */
+#line 314 "../../src/parse-gram.y"
+    { report_flag = report_states; }
+    break;
+
+  case 35:

 
 

-      typed = true;
-      muscle_code_grow ("stype", body, (yylsp[(1) - (1)]));
+/* Line 1537 of yacc.c  */
+#line 315 "../../src/parse-gram.y"
+    { yacc_flag = true; }
+    break;
+
+  case 39:
+
+/* Line 1537 of yacc.c  */
+#line 323 "../../src/parse-gram.y"
+    {
+      grammar_start_symbol_set ((yyvsp[(2) - (2)].symbol), (yylsp[(2) - (2)]));

     }
     break;
 
     }
     break;
 

-  case 35:
-#line 282 "parse-gram.y"
+  case 40:
+
+/* Line 1537 of yacc.c  */
+#line 327 "../../src/parse-gram.y"

     {
       symbol_list *list;
     {
       symbol_list *list;

-      for (list = (yyvsp[(2) - (2)].list); list; list = list->next)
-       symbol_destructor_set (list->sym, (yyvsp[(1) - (2)].chars), (yylsp[(1) - (2)]));
-      symbol_list_free ((yyvsp[(2) - (2)].list));
+      for (list = (yyvsp[(3) - (3)].list); list; list = list->next)
+       symbol_list_destructor_set (list, (yyvsp[(2) - (3)].code), (yylsp[(2) - (3)]));
+      symbol_list_free ((yyvsp[(3) - (3)].list));

     }
     break;
 
     }
     break;
 

-  case 36:
-#line 289 "parse-gram.y"
+  case 41:
+
+/* Line 1537 of yacc.c  */
+#line 334 "../../src/parse-gram.y"

     {
       symbol_list *list;
     {
       symbol_list *list;

-      for (list = (yyvsp[(2) - (2)].list); list; list = list->next)
-       symbol_printer_set (list->sym, (yyvsp[(1) - (2)].chars), list->location);
-      symbol_list_free ((yyvsp[(2) - (2)].list));
+      for (list = (yyvsp[(3) - (3)].list); list; list = list->next)
+       symbol_list_printer_set (list, (yyvsp[(2) - (3)].code), (yylsp[(2) - (3)]));
+      symbol_list_free ((yyvsp[(3) - (3)].list));

     }
     break;
 
     }
     break;
 

-  case 37:
-#line 296 "parse-gram.y"
+  case 42:
+
+/* Line 1537 of yacc.c  */
+#line 341 "../../src/parse-gram.y"

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

-  case 38:
-#line 300 "parse-gram.y"
+  case 43:
+
+/* Line 1537 of yacc.c  */
+#line 345 "../../src/parse-gram.y"

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

-  case 39:
-#line 306 "parse-gram.y"
+  case 44:
+
+/* Line 1537 of yacc.c  */
+#line 349 "../../src/parse-gram.y"
+    {
+      muscle_code_grow ("percent_code()", (yyvsp[(2) - (2)].chars), (yylsp[(2) - (2)]));
+      code_scanner_last_string_free ();
+    }
+    break;
+
+  case 45:
+
+/* Line 1537 of yacc.c  */
+#line 354 "../../src/parse-gram.y"
+    {
+      char const name_prefix[] = "percent_code(";
+      size_t length = strlen ((yyvsp[(2) - (3)].uniqstr));
+      char *name = xmalloc (sizeof name_prefix + length + 1);
+      strcpy (name, name_prefix);
+      strcpy (name + sizeof name_prefix - 1, (yyvsp[(2) - (3)].uniqstr));
+      strcpy (name + sizeof name_prefix - 1 + length, ")");
+      muscle_code_grow (uniqstr_new (name), (yyvsp[(3) - (3)].chars), (yylsp[(3) - (3)]));
+      free (name);
+      code_scanner_last_string_free ();
+      muscle_grow_user_name_list ("percent_code_user_qualifiers", (yyvsp[(2) - (3)].uniqstr), (yylsp[(2) - (3)]));
+    }
+    break;
+
+  case 46:
+
+/* Line 1537 of yacc.c  */
+#line 376 "../../src/parse-gram.y"
+    {}
+    break;
+
+  case 47:
+
+/* Line 1537 of yacc.c  */
+#line 377 "../../src/parse-gram.y"
+    { muscle_code_grow ("union_name", (yyvsp[(1) - (1)].uniqstr), (yylsp[(1) - (1)])); }
+    break;
+
+  case 48:
+
+/* Line 1537 of yacc.c  */
+#line 382 "../../src/parse-gram.y"
+    {
+      union_seen = true;
+      muscle_code_grow ("stype", (yyvsp[(3) - (3)].chars), (yylsp[(3) - (3)]));
+      code_scanner_last_string_free ();
+    }
+    break;
+
+  case 49:
+
+/* Line 1537 of yacc.c  */
+#line 393 "../../src/parse-gram.y"

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

-  case 40:
-#line 307 "parse-gram.y"
+  case 50:
+
+/* Line 1537 of yacc.c  */
+#line 394 "../../src/parse-gram.y"

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

-  case 41:
-#line 311 "parse-gram.y"
+  case 51:
+
+/* Line 1537 of yacc.c  */
+#line 398 "../../src/parse-gram.y"

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

-  case 42:
-#line 312 "parse-gram.y"
+  case 52:
+
+/* Line 1537 of yacc.c  */
+#line 399 "../../src/parse-gram.y"

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

-  case 43:
-#line 317 "parse-gram.y"
+  case 53:
+
+/* Line 1537 of yacc.c  */
+#line 404 "../../src/parse-gram.y"

     {
       symbol_list *list;
     {
       symbol_list *list;

+      tag_seen = true;

       for (list = (yyvsp[(3) - (3)].list); list; list = list->next)
       for (list = (yyvsp[(3) - (3)].list); list; list = list->next)

-       symbol_type_set (list->sym, (yyvsp[(2) - (3)].uniqstr), (yylsp[(2) - (3)]));
+       symbol_type_set (list->content.sym, (yyvsp[(2) - (3)].uniqstr), (yylsp[(2) - (3)]));

       symbol_list_free ((yyvsp[(3) - (3)].list));
     }
     break;
 
       symbol_list_free ((yyvsp[(3) - (3)].list));
     }
     break;
 

-  case 44:
-#line 327 "parse-gram.y"
+  case 54:
+
+/* Line 1537 of yacc.c  */
+#line 415 "../../src/parse-gram.y"

     {
       symbol_list *list;
       ++current_prec;
       for (list = (yyvsp[(3) - (3)].list); list; list = list->next)
        {
     {
       symbol_list *list;
       ++current_prec;
       for (list = (yyvsp[(3) - (3)].list); list; list = list->next)
        {

-         symbol_type_set (list->sym, current_type, (yylsp[(2) - (3)]));
-         symbol_precedence_set (list->sym, current_prec, (yyvsp[(1) - (3)].assoc), (yylsp[(1) - (3)]));
+         symbol_type_set (list->content.sym, current_type, (yylsp[(2) - (3)]));
+         symbol_precedence_set (list->content.sym, current_prec, (yyvsp[(1) - (3)].assoc), (yylsp[(1) - (3)]));

        }
       symbol_list_free ((yyvsp[(3) - (3)].list));
       current_type = NULL;
     }
     break;
 
        }
       symbol_list_free ((yyvsp[(3) - (3)].list));
       current_type = NULL;
     }
     break;
 

-  case 45:
-#line 341 "parse-gram.y"
+  case 55:
+
+/* Line 1537 of yacc.c  */
+#line 429 "../../src/parse-gram.y"

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

-  case 46:
-#line 342 "parse-gram.y"
+  case 56:
+
+/* Line 1537 of yacc.c  */
+#line 430 "../../src/parse-gram.y"

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

-  case 47:
-#line 343 "parse-gram.y"
+  case 57:
+
+/* Line 1537 of yacc.c  */
+#line 431 "../../src/parse-gram.y"

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

-  case 48:
-#line 347 "parse-gram.y"
+  case 58:
+
+/* Line 1537 of yacc.c  */
+#line 435 "../../src/parse-gram.y"

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

-  case 49:
-#line 348 "parse-gram.y"
-    { current_type = (yyvsp[(1) - (1)].uniqstr); }
+  case 59:
+
+/* Line 1537 of yacc.c  */
+#line 436 "../../src/parse-gram.y"
+    { current_type = (yyvsp[(1) - (1)].uniqstr); tag_seen = true; }

     break;
 
     break;
 

-  case 50:
-#line 354 "parse-gram.y"
-    { (yyval.list) = symbol_list_new ((yyvsp[(1) - (1)].symbol), (yylsp[(1) - (1)])); }
+  case 60:
+
+/* Line 1537 of yacc.c  */
+#line 442 "../../src/parse-gram.y"
+    { (yyval.list) = symbol_list_sym_new ((yyvsp[(1) - (1)].symbol), (yylsp[(1) - (1)])); }

     break;
 
     break;
 

-  case 51:
-#line 355 "parse-gram.y"
-    { (yyval.list) = symbol_list_prepend ((yyvsp[(1) - (2)].list), (yyvsp[(2) - (2)].symbol), (yylsp[(2) - (2)])); }
+  case 61:
+
+/* Line 1537 of yacc.c  */
+#line 444 "../../src/parse-gram.y"
+    { (yyval.list) = symbol_list_prepend ((yyvsp[(1) - (2)].list), symbol_list_sym_new ((yyvsp[(2) - (2)].symbol), (yylsp[(2) - (2)]))); }

     break;
 
     break;
 

-  case 52:
-#line 361 "parse-gram.y"
+  case 62:
+
+/* Line 1537 of yacc.c  */
+#line 448 "../../src/parse-gram.y"
+    { (yyval.list) = (yyvsp[(1) - (1)].list); }
+    break;
+
+  case 63:
+
+/* Line 1537 of yacc.c  */
+#line 449 "../../src/parse-gram.y"
+    { (yyval.list) = symbol_list_prepend ((yyvsp[(1) - (2)].list), (yyvsp[(2) - (2)].list)); }
+    break;
+
+  case 64:
+
+/* Line 1537 of yacc.c  */
+#line 453 "../../src/parse-gram.y"
+    { (yyval.list) = symbol_list_sym_new ((yyvsp[(1) - (1)].symbol), (yylsp[(1) - (1)])); }
+    break;
+
+  case 65:
+
+/* Line 1537 of yacc.c  */
+#line 454 "../../src/parse-gram.y"
+    { (yyval.list) = symbol_list_type_new ((yyvsp[(1) - (1)].uniqstr), (yylsp[(1) - (1)])); }
+    break;
+
+  case 66:
+
+/* Line 1537 of yacc.c  */
+#line 455 "../../src/parse-gram.y"
+    { (yyval.list) = symbol_list_default_tagged_new ((yylsp[(1) - (1)])); }
+    break;
+
+  case 67:
+
+/* Line 1537 of yacc.c  */
+#line 456 "../../src/parse-gram.y"
+    { (yyval.list) = symbol_list_default_tagless_new ((yylsp[(1) - (1)])); }
+    break;
+
+  case 68:
+
+/* Line 1537 of yacc.c  */
+#line 462 "../../src/parse-gram.y"

     {
        current_type = (yyvsp[(1) - (1)].uniqstr);
     {
        current_type = (yyvsp[(1) - (1)].uniqstr);

+       tag_seen = true;

      }
     break;
 
      }
     break;
 

-  case 53:
-#line 365 "parse-gram.y"
+  case 69:
+
+/* Line 1537 of yacc.c  */
+#line 467 "../../src/parse-gram.y"

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

-  case 54:
-#line 370 "parse-gram.y"
+  case 70:
+
+/* Line 1537 of yacc.c  */
+#line 472 "../../src/parse-gram.y"

     {
       symbol_class_set ((yyvsp[(1) - (2)].symbol), current_class, (yylsp[(1) - (2)]), true);
       symbol_type_set ((yyvsp[(1) - (2)].symbol), current_type, (yylsp[(1) - (2)]));
     {
       symbol_class_set ((yyvsp[(1) - (2)].symbol), current_class, (yylsp[(1) - (2)]), true);
       symbol_type_set ((yyvsp[(1) - (2)].symbol), current_type, (yylsp[(1) - (2)]));


@@ -2048,8 +2442,10 @@ yyreduce:
     }
     break;
 
     }
     break;
 

-  case 55:
-#line 376 "parse-gram.y"
+  case 71:
+
+/* Line 1537 of yacc.c  */
+#line 478 "../../src/parse-gram.y"

     {
       symbol_class_set ((yyvsp[(1) - (2)].symbol), current_class, (yylsp[(1) - (2)]), true);
       symbol_type_set ((yyvsp[(1) - (2)].symbol), current_type, (yylsp[(1) - (2)]));
     {
       symbol_class_set ((yyvsp[(1) - (2)].symbol), current_class, (yylsp[(1) - (2)]), true);
       symbol_type_set ((yyvsp[(1) - (2)].symbol), current_type, (yylsp[(1) - (2)]));


@@ -2057,8 +2453,10 @@ yyreduce:
     }
     break;
 
     }
     break;
 

-  case 56:
-#line 382 "parse-gram.y"
+  case 72:
+
+/* Line 1537 of yacc.c  */
+#line 484 "../../src/parse-gram.y"

     {
       symbol_class_set ((yyvsp[(1) - (3)].symbol), current_class, (yylsp[(1) - (3)]), true);
       symbol_type_set ((yyvsp[(1) - (3)].symbol), current_type, (yylsp[(1) - (3)]));
     {
       symbol_class_set ((yyvsp[(1) - (3)].symbol), current_class, (yylsp[(1) - (3)]), true);
       symbol_type_set ((yyvsp[(1) - (3)].symbol), current_type, (yylsp[(1) - (3)]));


@@ -2067,97 +2465,161 @@ yyreduce:
     }
     break;
 
     }
     break;
 

-  case 63:
-#line 412 "parse-gram.y"
+  case 79:
+
+/* Line 1537 of yacc.c  */
+#line 514 "../../src/parse-gram.y"

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

-  case 64:
-#line 418 "parse-gram.y"
+  case 80:
+
+/* Line 1537 of yacc.c  */
+#line 520 "../../src/parse-gram.y"

     { current_lhs = (yyvsp[(1) - (1)].symbol); current_lhs_location = (yylsp[(1) - (1)]); }
     break;
 
     { current_lhs = (yyvsp[(1) - (1)].symbol); current_lhs_location = (yylsp[(1) - (1)]); }
     break;
 

-  case 66:
-#line 422 "parse-gram.y"
+  case 82:
+
+/* Line 1537 of yacc.c  */
+#line 524 "../../src/parse-gram.y"

     { grammar_current_rule_end ((yylsp[(1) - (1)])); }
     break;
 
     { grammar_current_rule_end ((yylsp[(1) - (1)])); }
     break;
 

-  case 67:
-#line 423 "parse-gram.y"
+  case 83:
+
+/* Line 1537 of yacc.c  */
+#line 525 "../../src/parse-gram.y"

     { grammar_current_rule_end ((yylsp[(3) - (3)])); }
     break;
 
     { grammar_current_rule_end ((yylsp[(3) - (3)])); }
     break;
 

-  case 69:
-#line 429 "parse-gram.y"
+  case 85:
+
+/* Line 1537 of yacc.c  */
+#line 531 "../../src/parse-gram.y"

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

-  case 70:
-#line 431 "parse-gram.y"
+  case 86:
+
+/* Line 1537 of yacc.c  */
+#line 533 "../../src/parse-gram.y"

     { grammar_current_rule_symbol_append ((yyvsp[(2) - (2)].symbol), (yylsp[(2) - (2)])); }
     break;
 
     { grammar_current_rule_symbol_append ((yyvsp[(2) - (2)].symbol), (yylsp[(2) - (2)])); }
     break;
 

-  case 71:
-#line 433 "parse-gram.y"
-    { grammar_current_rule_action_append ((yyvsp[(2) - (2)].chars), (yylsp[(2) - (2)])); }
+  case 87:
+
+/* Line 1537 of yacc.c  */
+#line 535 "../../src/parse-gram.y"
+    { grammar_current_rule_action_append ((yyvsp[(2) - (2)].code), (yylsp[(2) - (2)])); }

     break;
 
     break;
 

-  case 72:
-#line 435 "parse-gram.y"
+  case 88:
+
+/* Line 1537 of yacc.c  */
+#line 537 "../../src/parse-gram.y"

     { grammar_current_rule_prec_set ((yyvsp[(3) - (3)].symbol), (yylsp[(3) - (3)])); }
     break;
 
     { grammar_current_rule_prec_set ((yyvsp[(3) - (3)].symbol), (yylsp[(3) - (3)])); }
     break;
 

-  case 73:
-#line 437 "parse-gram.y"
+  case 89:
+
+/* Line 1537 of yacc.c  */
+#line 539 "../../src/parse-gram.y"

     { grammar_current_rule_dprec_set ((yyvsp[(3) - (3)].integer), (yylsp[(3) - (3)])); }
     break;
 
     { grammar_current_rule_dprec_set ((yyvsp[(3) - (3)].integer), (yylsp[(3) - (3)])); }
     break;
 

-  case 74:
-#line 439 "parse-gram.y"
+  case 90:
+
+/* Line 1537 of yacc.c  */
+#line 541 "../../src/parse-gram.y"

     { grammar_current_rule_merge_set ((yyvsp[(3) - (3)].uniqstr), (yylsp[(3) - (3)])); }
     break;
 
     { grammar_current_rule_merge_set ((yyvsp[(3) - (3)].uniqstr), (yylsp[(3) - (3)])); }
     break;
 

-  case 75:
-#line 443 "parse-gram.y"
-    { (yyval.symbol) = (yyvsp[(1) - (1)].symbol); }
+  case 92:
+
+/* Line 1537 of yacc.c  */
+#line 551 "../../src/parse-gram.y"
+    { (yyval.uniqstr) = uniqstr_new ((yyvsp[(1) - (1)].chars)); }

     break;
 
     break;
 

-  case 76:
-#line 444 "parse-gram.y"
-    { (yyval.symbol) = (yyvsp[(1) - (1)].symbol); }
+  case 93:
+
+/* Line 1537 of yacc.c  */
+#line 557 "../../src/parse-gram.y"
+    {
+      (yyval.chars) = "";
+    }

     break;
 
     break;
 

-  case 77:
-#line 449 "parse-gram.y"
-    { (yyval.chars) = (yyvsp[(1) - (1)].chars); }
+  case 95:
+
+/* Line 1537 of yacc.c  */
+#line 570 "../../src/parse-gram.y"
+    {
+      code_props plain_code;
+      (yyvsp[(1) - (1)].code)[strlen ((yyvsp[(1) - (1)].code)) - 1] = '\n';
+      code_props_plain_init (&plain_code, (yyvsp[(1) - (1)].code)+1, (yylsp[(1) - (1)]));
+      code_props_translate_code (&plain_code);
+      gram_scanner_last_string_free ();
+      (yyval.chars) = plain_code.code;
+    }

     break;
 
     break;
 

-  case 78:
-#line 455 "parse-gram.y"
+  case 96:
+
+/* Line 1537 of yacc.c  */
+#line 590 "../../src/parse-gram.y"
+    { (yyval.symbol) = symbol_from_uniqstr ((yyvsp[(1) - (1)].uniqstr), (yylsp[(1) - (1)])); }
+    break;
+
+  case 97:
+
+/* Line 1537 of yacc.c  */
+#line 592 "../../src/parse-gram.y"

     {
     {

-      (yyval.symbol) = symbol_get (quotearg_style (c_quoting_style, (yyvsp[(1) - (1)].chars)), (yylsp[(1) - (1)]));
+      (yyval.symbol) = symbol_get (char_name ((yyvsp[(1) - (1)].character)), (yylsp[(1) - (1)]));

       symbol_class_set ((yyval.symbol), token_sym, (yylsp[(1) - (1)]), false);
       symbol_class_set ((yyval.symbol), token_sym, (yylsp[(1) - (1)]), false);

+      symbol_user_token_number_set ((yyval.symbol), (yyvsp[(1) - (1)].character), (yylsp[(1) - (1)]));

     }
     break;
 
     }
     break;
 

-  case 79:
-#line 464 "parse-gram.y"
-    { (yyval.chars) = (yyvsp[(1) - (1)].chars); }
+  case 98:
+
+/* Line 1537 of yacc.c  */
+#line 600 "../../src/parse-gram.y"
+    { (yyval.symbol) = symbol_from_uniqstr ((yyvsp[(1) - (1)].uniqstr), (yylsp[(1) - (1)])); }
+    break;
+
+  case 101:
+
+/* Line 1537 of yacc.c  */
+#line 612 "../../src/parse-gram.y"
+    {
+      (yyval.symbol) = symbol_get (quotearg_style (c_quoting_style, (yyvsp[(1) - (1)].chars)), (yylsp[(1) - (1)]));
+      symbol_class_set ((yyval.symbol), token_sym, (yylsp[(1) - (1)]), false);
+    }

     break;
 
     break;
 

-  case 81:
-#line 471 "parse-gram.y"
+  case 103:
+
+/* Line 1537 of yacc.c  */
+#line 621 "../../src/parse-gram.y"

     {
     {

-      muscle_code_grow ("epilogue", (yyvsp[(2) - (2)].chars), (yylsp[(2) - (2)]));
-      scanner_last_string_free ();
+      code_props plain_code;
+      code_props_plain_init (&plain_code, (yyvsp[(2) - (2)].chars), (yylsp[(2) - (2)]));
+      code_props_translate_code (&plain_code);
+      gram_scanner_last_string_free ();
+      muscle_code_grow ("epilogue", plain_code.code, (yylsp[(2) - (2)]));
+      code_scanner_last_string_free ();

     }
     break;
 
 
     }
     break;
 
 

-/* Line 1270 of yacc.c.  */
-#line 2161 "parse-gram.c"
+
+/* Line 1537 of yacc.c  */
+#line 2623 "../../src/parse-gram.c"

       default: break;
     }
   YY_SYMBOL_PRINT ("-> $$ =", yyr1[yyn], &yyval, &yyloc);
       default: break;
     }
   YY_SYMBOL_PRINT ("-> $$ =", yyr1[yyn], &yyval, &yyloc);


@@ -2233,7 +2695,7 @@ yyerrlab:
 
   if (yyerrstatus == 3)
     {
 
   if (yyerrstatus == 3)
     {

-      /* If just tried and failed to reuse look-ahead token after an
+      /* If just tried and failed to reuse lookahead token after an

         error, discard it.  */
 
       if (yychar <= YYEOF)
         error, discard it.  */
 
       if (yychar <= YYEOF)


@@ -2250,7 +2712,7 @@ yyerrlab:
        }
     }
 
        }
     }
 

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

      token.  */
   goto yyerrlab1;
 
      token.  */
   goto yyerrlab1;
 


@@ -2308,14 +2770,11 @@ yyerrlab1:
       YY_STACK_PRINT (yyss, yyssp);
     }
 
       YY_STACK_PRINT (yyss, yyssp);
     }
 

-  if (yyn == YYFINAL)
-    YYACCEPT;
-

   *++yyvsp = yylval;
 
   yyerror_range[1] = yylloc;
   /* Using YYLLOC is tempting, but would change the location of
   *++yyvsp = yylval;
 
   yyerror_range[1] = yylloc;
   /* Using YYLLOC is tempting, but would change the location of

-     the look-ahead.  YYLOC is available though.  */
+     the lookahead.  YYLOC is available though.  */

   YYLLOC_DEFAULT (yyloc, (yyerror_range - 1), 2);
   *++yylsp = yyloc;
 
   YYLLOC_DEFAULT (yyloc, (yyerror_range - 1), 2);
   *++yylsp = yyloc;
 


@@ -2351,7 +2810,7 @@ yyexhaustedlab:
 #endif
 
 yyreturn:
 #endif
 
 yyreturn:

-  if (yychar != YYEOF && yychar != YYEMPTY)
+  if (yychar != YYEMPTY)

      yydestruct ("Cleanup: discarding lookahead",
                 yytoken, &yylval, &yylloc);
   /* Do not reclaim the symbols of the rule which action triggered
      yydestruct ("Cleanup: discarding lookahead",
                 yytoken, &yylval, &yylloc);
   /* Do not reclaim the symbols of the rule which action triggered


@@ -2372,11 +2831,14 @@ yyreturn:
   if (yymsg != yymsgbuf)
     YYSTACK_FREE (yymsg);
 #endif
   if (yymsg != yymsgbuf)
     YYSTACK_FREE (yymsg);
 #endif

-  return yyresult;
+  /* Make sure YYID is used.  */
+  return YYID (yyresult);

 }
 
 
 }
 
 

-#line 477 "parse-gram.y"
+
+/* Line 1537 of yacc.c  */
+#line 631 "../../src/parse-gram.y"

 
 
 
 
 
 


@@ -2458,9 +2920,10 @@ add_param (char const *type, char *decl, location loc)
       free (name);
     }
 
       free (name);
     }
 

-  scanner_last_string_free ();
+  gram_scanner_last_string_free ();

 }
 
 }
 

+

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


@@ -2484,3 +2947,16 @@ token_name (int type)
   return yytname[YYTRANSLATE (type)];
 }
 
   return yytname[YYTRANSLATE (type)];
 }
 

+static char const *
+char_name (char c)
+{
+  if (c == '\'')
+    return "'\\''";
+  else
+    {
+      char buf[4];
+      buf[0] = '\''; buf[1] = c; buf[2] = '\''; buf[3] = '\0';
+      return quotearg_style (escape_quoting_style, buf);
+    }
+}
+