Rename "default rule" to "default reduction".

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

diff --git a/src/parse-gram.c b/src/parse-gram.c
index 0af6caf5030f4f8d0b7a4e90289421a9da8177ba..7ccd46694e5ea7e1e2321af3f22478dcd104023f 100644 (file)
--- a/src/parse-gram.c
+++ b/src/parse-gram.c
@@ -1,12 +1,14 @@
-/* A Bison parser, made by GNU Bison 1.75e.  */
+/* A Bison parser, made by GNU Bison 2.4.305-d937.  */

 
 

-/* Skeleton parser for Yacc-like parsing with Bison,
-   Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002 Free Software Foundation, Inc.
+/* Implementation for Bison's Yacc-like parsers in C

 
 

-   This program is free software; you can redistribute it and/or modify
+   Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
+   2007, 2008, 2009 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
    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.
+   the Free Software Foundation, either version 3 of the License, 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
 
    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of


@@ -14,17 +16,23 @@
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
    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., 59 Temple Place - Suite 330,
-   Boston, MA 02111-1307, USA.  */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+/* 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.

 
 

-/* As a special exception, when this file is copied by Bison into a
-   Bison output file, you may use that output file without restriction.
-   This special exception was added by the Free Software Foundation
-   in version 1.24 of Bison.  */
+   This special exception was added by the Free Software Foundation in
+   version 2.2 of Bison.  */

 
 

-/* 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.  */

 
 /* All symbols defined below should begin with yy or YY, to avoid
    infringing on user name space.  This should be done even for local
 
 /* All symbols defined below should begin with yy or YY, to avoid
    infringing on user name space.  This should be done even for local


@@ -36,129 +44,58 @@
 /* Identify Bison output.  */
 #define YYBISON 1
 
 /* Identify Bison output.  */
 #define YYBISON 1
 

+/* Bison version.  */
+#define YYBISON_VERSION "2.4.305-d937"
+

 /* Skeleton name.  */
 #define YYSKELETON_NAME "yacc.c"
 
 /* Pure parsers.  */
 #define YYPURE 1
 
 /* Skeleton name.  */
 #define YYSKELETON_NAME "yacc.c"
 
 /* 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
 

-/* If NAME_PREFIX is specified substitute the variables and functions
-   names.  */
-#define yyparse gram_parse
-#define yylex   gram_lex
-#define yyerror gram_error
-#define yylval  gram_lval
-#define yychar  gram_char
-#define yydebug gram_debug
-#define yynerrs gram_nerrs
-#define yylloc gram_lloc
+/* Substitute the variable and function names.  */
+#define yyparse         gram_parse
+#define yylex           gram_lex
+#define yyerror         gram_error
+#define yylval          gram_lval
+#define yychar          gram_char
+#define yydebug         gram_debug
+#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_DEFINE = 273,
-     PERCENT_DEFINES = 274,
-     PERCENT_ERROR_VERBOSE = 275,
-     PERCENT_EXPECT = 276,
-     PERCENT_FILE_PREFIX = 277,
-     PERCENT_GLR_PARSER = 278,
-     PERCENT_LEX_PARAM = 279,
-     PERCENT_LOCATIONS = 280,
-     PERCENT_NAME_PREFIX = 281,
-     PERCENT_NO_LINES = 282,
-     PERCENT_OUTPUT = 283,
-     PERCENT_PARSE_PARAM = 284,
-     PERCENT_PURE_PARSER = 285,
-     PERCENT_SKELETON = 286,
-     PERCENT_START = 287,
-     PERCENT_TOKEN_TABLE = 288,
-     PERCENT_VERBOSE = 289,
-     PERCENT_YACC = 290,
-     TYPE = 291,
-     EQUAL = 292,
-     SEMICOLON = 293,
-     PIPE = 294,
-     ID = 295,
-     ID_COLON = 296,
-     PERCENT_PERCENT = 297,
-     PROLOGUE = 298,
-     EPILOGUE = 299,
-     BRACED_CODE = 300
-   };
-#endif
-#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_DEFINE 273
-#define PERCENT_DEFINES 274
-#define PERCENT_ERROR_VERBOSE 275
-#define PERCENT_EXPECT 276
-#define PERCENT_FILE_PREFIX 277
-#define PERCENT_GLR_PARSER 278
-#define PERCENT_LEX_PARAM 279
-#define PERCENT_LOCATIONS 280
-#define PERCENT_NAME_PREFIX 281
-#define PERCENT_NO_LINES 282
-#define PERCENT_OUTPUT 283
-#define PERCENT_PARSE_PARAM 284
-#define PERCENT_PURE_PARSER 285
-#define PERCENT_SKELETON 286
-#define PERCENT_START 287
-#define PERCENT_TOKEN_TABLE 288
-#define PERCENT_VERBOSE 289
-#define PERCENT_YACC 290
-#define TYPE 291
-#define EQUAL 292
-#define SEMICOLON 293
-#define PIPE 294
-#define ID 295
-#define ID_COLON 296
-#define PERCENT_PERCENT 297
-#define PROLOGUE 298
-#define EPILOGUE 299
-#define BRACED_CODE 300
+/* Copy the first part of user declarations.  */
+/* Line 191 of yacc.c  */
+#line 1 "parse-gram.y"
+/* Bison Grammar Parser                             -*- C -*-

 
 

+   Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software
+   Foundation, Inc.

 
 

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

 
 

+   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 3 of the License, or
+   (at your option) any later version.

 
 

-/* Copy the first part of user declarations.  */
-#line 31 "parse-gram.y"
+   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, see <http://www.gnu.org/licenses/>.  */
+
+#include <config.h>

 #include "system.h"
 
 #include "complain.h"
 #include "system.h"
 
 #include "complain.h"


@@ -166,37 +103,52 @@
 #include "files.h"
 #include "getargs.h"
 #include "gram.h"
 #include "files.h"
 #include "getargs.h"
 #include "gram.h"

-#include "muscle_tab.h"
-#include "output.h"
+#include "muscle-tab.h"
+#include "quotearg.h"

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

-
-/* Produce verbose syntax errors.  */
-#define YYERROR_VERBOSE 1
+#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);
 

+#define YY_LOCATION_PRINT(File, Loc) \
+         location_print (File, Loc)
+
+static void version_check (location const *loc, char const *version);
+

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

-        gram_error (&yylloc, Msg)
+       gram_error (&yylloc, Msg)

 static void gram_error (location const *, char const *);
 
 static void gram_error (location const *, char const *);
 

-#define YYPRINT(File, Type, Value) \
-       print_token_value (File, Type, &Value)
-static void print_token_value (FILE *, int, YYSTYPE const *);
+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 void add_param (char const *, char *, location);
+static symbol_class current_class = unknown_sym;
+static uniqstr current_type = NULL;
+static symbol *current_lhs;
+static location current_lhs_location;
+static int current_prec = 0;

 
 

-symbol_class current_class = unknown_sym;
-uniqstr current_type = 0;
-symbol *current_lhs;
-location current_lhs_location;
-assoc current_assoc;
-int current_prec = 0;
+#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 191 of yacc.c  */
+#line 152 "src/parse-gram.c"

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


@@ -208,27 +160,159 @@ int current_prec = 0;
 # undef YYERROR_VERBOSE
 # define YYERROR_VERBOSE 1
 #else
 # undef YYERROR_VERBOSE
 # define YYERROR_VERBOSE 1
 #else

-# define YYERROR_VERBOSE 0
+# define YYERROR_VERBOSE 1
+#endif
+
+/* Enabling the token table.  */
+#ifndef YYTOKEN_TABLE
+# 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_PRECEDENCE = 268,
+     PERCENT_PREC = 269,
+     PERCENT_DPREC = 270,
+     PERCENT_MERGE = 271,
+     PERCENT_CODE = 272,
+     PERCENT_DEFAULT_PREC = 273,
+     PERCENT_DEFINE = 274,
+     PERCENT_DEFINES = 275,
+     PERCENT_EXPECT = 276,
+     PERCENT_EXPECT_RR = 277,
+     PERCENT_FLAG = 278,
+     PERCENT_FILE_PREFIX = 279,
+     PERCENT_GLR_PARSER = 280,
+     PERCENT_INITIAL_ACTION = 281,
+     PERCENT_LANGUAGE = 282,
+     PERCENT_LEX_PARAM = 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_REQUIRE = 290,
+     PERCENT_SKELETON = 291,
+     PERCENT_START = 292,
+     PERCENT_TOKEN_TABLE = 293,
+     PERCENT_VERBOSE = 294,
+     PERCENT_YACC = 295,
+     BRACED_CODE = 296,
+     CHAR = 297,
+     EPILOGUE = 298,
+     EQUAL = 299,
+     ID = 300,
+     ID_COLON = 301,
+     PERCENT_PERCENT = 302,
+     PIPE = 303,
+     PROLOGUE = 304,
+     SEMICOLON = 305,
+     TAG = 306,
+     TAG_ANY = 307,
+     TAG_NONE = 308,
+     PERCENT_UNION = 309
+   };

 #endif
 #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_PRECEDENCE 268
+#define PERCENT_PREC 269
+#define PERCENT_DPREC 270
+#define PERCENT_MERGE 271
+#define PERCENT_CODE 272
+#define PERCENT_DEFAULT_PREC 273
+#define PERCENT_DEFINE 274
+#define PERCENT_DEFINES 275
+#define PERCENT_EXPECT 276
+#define PERCENT_EXPECT_RR 277
+#define PERCENT_FLAG 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_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_REQUIRE 290
+#define PERCENT_SKELETON 291
+#define PERCENT_START 292
+#define PERCENT_TOKEN_TABLE 293
+#define PERCENT_VERBOSE 294
+#define PERCENT_YACC 295
+#define BRACED_CODE 296
+#define CHAR 297
+#define EPILOGUE 298
+#define EQUAL 299
+#define ID 300
+#define ID_COLON 301
+#define PERCENT_PERCENT 302
+#define PIPE 303
+#define PROLOGUE 304
+#define SEMICOLON 305
+#define TAG 306
+#define TAG_ANY 307
+#define TAG_NONE 308
+#define PERCENT_UNION 309
+
+
+
+
+#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED
+typedef union YYSTYPE
+{
+/* Line 224 of yacc.c  */
+#line 92 "parse-gram.y"

 
 

-#if ! defined (YYSTYPE) && ! defined (YYSTYPE_IS_DECLARED)
-#line 74 "parse-gram.y"
-typedef union YYSTYPE {

   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;

+  unsigned char character;
+
+
+/* Line 224 of yacc.c  */
+#line 309 "src/parse-gram.c"

 } YYSTYPE;
 } YYSTYPE;

-/* Line 192 of yacc.c.  */
-#line 225 "parse-gram.c"
+# 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
 
 #endif
 

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

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


@@ -244,52 +328,174 @@ typedef struct YYLTYPE
 
 /* Copy the second part of user declarations.  */
 
 
 /* Copy the second part of user declarations.  */
 

+/* Line 266 of yacc.c  */
+#line 333 "src/parse-gram.c"

 
 

-/* Line 215 of yacc.c.  */
-#line 249 "parse-gram.c"
+#ifdef short
+# undef short
+#endif

 
 

-#if ! defined (yyoverflow) || YYERROR_VERBOSE
+#ifdef YYTYPE_UINT8
+typedef YYTYPE_UINT8 yytype_uint8;
+#else
+typedef unsigned char yytype_uint8;
+#endif

 
 

-/* The parser invokes alloca or malloc; define the necessary symbols.  */
+#ifdef YYTYPE_INT8
+typedef YYTYPE_INT8 yytype_int8;
+#elif (defined __STDC__ || defined __C99__FUNC__ \
+     || defined __cplusplus || defined _MSC_VER)
+typedef signed char yytype_int8;
+#else
+typedef short int yytype_int8;
+#endif

 
 

-# if YYSTACK_USE_ALLOCA
-#  define YYSTACK_ALLOC alloca
+#ifdef YYTYPE_UINT16
+typedef YYTYPE_UINT16 yytype_uint16;
+#else
+typedef unsigned short int yytype_uint16;
+#endif
+
+#ifdef YYTYPE_INT16
+typedef YYTYPE_INT16 yytype_int16;
+#else
+typedef short int yytype_int16;
+#endif
+
+#ifndef YYSIZE_T
+# ifdef __SIZE_TYPE__
+#  define YYSIZE_T __SIZE_TYPE__
+# elif defined size_t
+#  define YYSIZE_T size_t
+# elif ! defined YYSIZE_T && (defined __STDC__ || defined __C99__FUNC__ \
+     || defined __cplusplus || defined _MSC_VER)
+#  include <stddef.h> /* INFRINGES ON USER NAME SPACE */
+#  define YYSIZE_T size_t

 # else
 # else

-#  ifndef YYSTACK_USE_ALLOCA
-#   if defined (alloca) || defined (_ALLOCA_H)
-#    define YYSTACK_ALLOC alloca
+#  define YYSIZE_T unsigned int
+# endif
+#endif
+
+#define YYSIZE_MAXIMUM ((YYSIZE_T) -1)
+
+#ifndef YY_
+# if YYENABLE_NLS
+#  if ENABLE_NLS
+#   include <libintl.h> /* INFRINGES ON USER NAME SPACE */
+#   define YY_(msgid) dgettext ("bison-runtime", msgid)
+#  endif
+# endif
+# ifndef YY_
+#  define YY_(msgid) msgid
+# endif
+#endif
+
+/* Suppress unused-variable warnings by "using" E.  */
+#if ! defined lint || defined __GNUC__
+# define YYUSE(e) ((void) (e))
+#else
+# define YYUSE(e) /* empty */
+#endif
+
+/* Identity function, used to suppress warnings about constant conditions.  */
+#ifndef lint
+# define YYID(n) (n)
+#else
+#if (defined __STDC__ || defined __C99__FUNC__ \
+     || defined __cplusplus || defined _MSC_VER)
+static int
+YYID (int yyi)
+#else
+static int
+YYID (yyi)
+    int yyi;
+#endif
+{
+  return yyi;
+}
+#endif
+
+#if ! defined yyoverflow || YYERROR_VERBOSE
+
+/* The parser invokes alloca or malloc; define the necessary symbols.  */
+
+# ifdef YYSTACK_USE_ALLOCA
+#  if YYSTACK_USE_ALLOCA
+#   ifdef __GNUC__
+#    define YYSTACK_ALLOC __builtin_alloca
+#   elif defined __BUILTIN_VA_ARG_INCR
+#    include <alloca.h> /* INFRINGES ON USER NAME SPACE */
+#   elif defined _AIX
+#    define YYSTACK_ALLOC __alloca
+#   elif defined _MSC_VER
+#    include <malloc.h> /* INFRINGES ON USER NAME SPACE */
+#    define alloca _alloca

 #   else
 #   else

-#    ifdef __GNUC__
-#     define YYSTACK_ALLOC __builtin_alloca
+#    define YYSTACK_ALLOC alloca
+#    if ! defined _ALLOCA_H && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \
+     || defined __cplusplus || defined _MSC_VER)
+#     include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
+#     ifndef _STDLIB_H
+#      define _STDLIB_H 1
+#     endif

 #    endif
 #   endif
 #  endif
 # endif
 
 # ifdef YYSTACK_ALLOC
 #    endif
 #   endif
 #  endif
 # endif
 
 # ifdef YYSTACK_ALLOC

-   /* Pacify GCC's `empty if-body' warning. */
-#  define YYSTACK_FREE(Ptr) do { /* empty */; } while (0)
+   /* Pacify GCC's `empty if-body' warning.  */
+#  define YYSTACK_FREE(Ptr) do { /* empty */; } while (YYID (0))
+#  ifndef YYSTACK_ALLOC_MAXIMUM
+    /* The OS might guarantee only one guard page at the bottom of the stack,
+       and a page size can be as small as 4096 bytes.  So we cannot safely
+       invoke alloca (N) if N exceeds 4096.  Use a slightly smaller number
+       to allow for a few compiler-allocated temporary stack slots.  */
+#   define YYSTACK_ALLOC_MAXIMUM 4032 /* reasonable circa 2006 */
+#  endif

 # else
 # else

-#  if defined (__STDC__) || defined (__cplusplus)
+#  define YYSTACK_ALLOC YYMALLOC
+#  define YYSTACK_FREE YYFREE
+#  ifndef YYSTACK_ALLOC_MAXIMUM
+#   define YYSTACK_ALLOC_MAXIMUM YYSIZE_MAXIMUM
+#  endif
+#  if (defined __cplusplus && ! defined _STDLIB_H \
+       && ! ((defined YYMALLOC || defined malloc) \
+            && (defined YYFREE || defined free)))

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

-#   define YYSIZE_T size_t
+#   ifndef _STDLIB_H
+#    define _STDLIB_H 1
+#   endif
+#  endif
+#  ifndef YYMALLOC
+#   define YYMALLOC malloc
+#   if ! defined malloc && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \
+     || defined __cplusplus || defined _MSC_VER)
+void *malloc (YYSIZE_T); /* INFRINGES ON USER NAME SPACE */
+#   endif
+#  endif
+#  ifndef YYFREE
+#   define YYFREE free
+#   if ! defined free && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \
+     || defined __cplusplus || defined _MSC_VER)
+void free (void *); /* INFRINGES ON USER NAME SPACE */
+#   endif

 #  endif
 #  endif

-#  define YYSTACK_ALLOC malloc
-#  define YYSTACK_FREE free

 # endif
 # endif

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

 
 
 
 

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

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

-  short yyss;
-  YYSTYPE yyvs;
-    YYLTYPE yyls;
+  yytype_int16 yyss_alloc;
+  YYSTYPE yyvs_alloc;
+  YYLTYPE yyls_alloc;

 };
 
 /* The size of the maximum gap between one aligned stack and the next.  */
 };
 
 /* The size of the maximum gap between one aligned stack and the next.  */


@@ -298,24 +504,24 @@ union yyalloc
 /* The size of an array large to enough to hold all stacks, each with
    N elements.  */
 # define YYSTACK_BYTES(N) \
 /* The size of an array large to enough to hold all stacks, each with
    N elements.  */
 # define YYSTACK_BYTES(N) \

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

       + 2 * YYSTACK_GAP_MAXIMUM)
 
 /* Copy COUNT objects from FROM to TO.  The source and destination do
    not overlap.  */
 # ifndef YYCOPY
       + 2 * YYSTACK_GAP_MAXIMUM)
 
 /* Copy COUNT objects from FROM to TO.  The source and destination do
    not overlap.  */
 # ifndef YYCOPY

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

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

-         register YYSIZE_T yyi;                \
+         YYSIZE_T yyi;                         \

          for (yyi = 0; yyi < (Count); yyi++)   \
            (To)[yyi] = (From)[yyi];            \
        }                                       \
          for (yyi = 0; yyi < (Count); yyi++)   \
            (To)[yyi] = (From)[yyi];            \
        }                                       \

-      while (0)
+      while (YYID (0))

 #  endif
 # endif
 
 #  endif
 # endif
 


@@ -324,48 +530,44 @@ union yyalloc
    elements in the stack, and YYPTR gives the new location of the
    stack.  Advance YYPTR to a properly aligned location for the next
    stack.  */
    elements in the stack, and YYPTR gives the new location of the
    stack.  Advance YYPTR to a properly aligned location for the next
    stack.  */

-# define YYSTACK_RELOCATE(Stack)                                       \
+# define YYSTACK_RELOCATE(Stack_alloc, Stack)                          \

     do                                                                 \
       {                                                                        \
        YYSIZE_T yynewbytes;                                            \
     do                                                                 \
       {                                                                        \
        YYSIZE_T yynewbytes;                                            \

-       YYCOPY (&yyptr->Stack, Stack, yysize);                          \
-       Stack = &yyptr->Stack;                                          \
+       YYCOPY (&yyptr->Stack_alloc, Stack, yysize);                    \
+       Stack = &yyptr->Stack_alloc;                                    \

        yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \
        yyptr += yynewbytes / sizeof (*yyptr);                          \
       }                                                                        \
        yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \
        yyptr += yynewbytes / sizeof (*yyptr);                          \
       }                                                                        \

-    while (0)
+    while (YYID (0))

 
 #endif
 
 
 #endif
 

-#if defined (__STDC__) || defined (__cplusplus)
-   typedef signed char yysigned_char;
-#else
-   typedef short yysigned_char;
-#endif
-
-/* YYFINAL -- State number of the termination state. */
+/* YYFINAL -- State number of the termination state.  */

 #define YYFINAL  3
 /* YYLAST -- Last index in YYTABLE.  */
 #define YYFINAL  3
 /* YYLAST -- Last index in YYTABLE.  */

-#define YYLAST   157
-
-/* YYNTOKENS -- Number of terminals. */
-#define YYNTOKENS  46
-/* YYNNTS -- Number of nonterminals. */
-#define YYNNTS  25
-/* YYNRULES -- Number of rules. */
-#define YYNRULES  74
-/* YYNRULES -- Number of states. */
-#define YYNSTATES  101
-
-/* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX.  */
+#define YYLAST   186
+
+/* YYNTOKENS -- Number of terminals.  */
+#define YYNTOKENS  55
+/* YYNNTS -- Number of nonterminals.  */
+#define YYNNTS  33
+/* YYNRULES -- Number of rules.  */
+#define YYNRULES  103
+/* YYNSTATES -- Number of states.  */
+#define YYNSTATES  141
+
+/* YYTRANSLATE[YYX] -- Symbol number corresponding to YYX as returned
+   by yylex, with out-of-bounds checking.  */

 #define YYUNDEFTOK  2
 #define YYUNDEFTOK  2

-#define YYMAXUTOK   300
+#define YYMAXUTOK   309

 
 

-#define YYTRANSLATE(YYX)                                               \
+#define YYTRANSLATE(YYX)                                               \

   ((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK)
 
   ((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK)
 

-/* YYTRANSLATE[YYLEX] -- Bison symbol number corresponding to YYLEX.  */
-static const unsigned char yytranslate[] =
+/* YYTRANSLATE[TOKEN-NUM] -- Symbol number corresponding to TOKEN-NUM
+   as returned by yylex, without out-of-bounds checking.  */
+static const yytype_uint8 yytranslate[] =

 {
        0,     2,     2,     2,     2,     2,     2,     2,     2,     2,
        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
 {
        0,     2,     2,     2,     2,     2,     2,     2,     2,     2,
        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,


@@ -397,255 +599,238 @@ static const unsigned char yytranslate[] =
       15,    16,    17,    18,    19,    20,    21,    22,    23,    24,
       25,    26,    27,    28,    29,    30,    31,    32,    33,    34,
       35,    36,    37,    38,    39,    40,    41,    42,    43,    44,
       15,    16,    17,    18,    19,    20,    21,    22,    23,    24,
       25,    26,    27,    28,    29,    30,    31,    32,    33,    34,
       35,    36,    37,    38,    39,    40,    41,    42,    43,    44,

-      45
+      45,    46,    47,    48,    49,    50,    51,    52,    53,    54

 };
 
 #if YYDEBUG
 };
 
 #if YYDEBUG

-/* YYPRHS[YYN] -- Index of the first RHS symbol of rule number YYN in
-   YYRHS.  */
-static const unsigned char yyprhs[] =
-{
-       0,     0,     3,     8,     9,    12,    14,    16,    18,    22,
-      24,    26,    29,    33,    35,    37,    39,    43,    45,    49,
-      51,    53,    56,    58,    60,    62,    64,    66,    68,    71,
-      73,    76,    79,    80,    84,    85,    89,    93,    97,    99,
-     101,   103,   104,   106,   108,   111,   113,   115,   118,   121,
-     125,   127,   130,   132,   135,   137,   139,   142,   144,   145,
-     149,   151,   155,   156,   159,   162,   166,   170,   174,   176,
-     178,   180,   182,   184,   185
-};
-
-/* YYRHS -- A `-1'-separated list of the rules' RHS. */
-static const yysigned_char yyrhs[] =
-{
-      47,     0,    -1,    48,    42,    60,    70,    -1,    -1,    48,
-      49,    -1,    50,    -1,    43,    -1,    17,    -1,    18,    69,
-      69,    -1,    19,    -1,    20,    -1,    21,     4,    -1,    22,
-      37,    69,    -1,    23,    -1,    24,    -1,    25,    -1,    26,
-      37,    69,    -1,    27,    -1,    28,    37,    69,    -1,    29,
-      -1,    30,    -1,    31,    69,    -1,    33,    -1,    34,    -1,
-      35,    -1,    38,    -1,    54,    -1,    51,    -1,    32,    66,
-      -1,    10,    -1,     8,    57,    -1,     9,    57,    -1,    -1,
-       6,    52,    59,    -1,    -1,     5,    53,    59,    -1,     7,
-      36,    57,    -1,    55,    56,    57,    -1,    11,    -1,    12,
-      -1,    13,    -1,    -1,    36,    -1,    66,    -1,    57,    66,
-      -1,    36,    -1,    40,    -1,    40,     4,    -1,    40,    68,
-      -1,    40,     4,    68,    -1,    58,    -1,    59,    58,    -1,
-      61,    -1,    60,    61,    -1,    62,    -1,    50,    -1,     1,
-      38,    -1,    38,    -1,    -1,    41,    63,    64,    -1,    65,
-      -1,    64,    39,    65,    -1,    -1,    65,    66,    -1,    65,
-      67,    -1,    65,    14,    66,    -1,    65,    15,     4,    -1,
-      65,    16,    36,    -1,    40,    -1,    68,    -1,    45,    -1,
-       3,    -1,     3,    -1,    -1,    42,    44,    -1
-};
-
-/* YYRLINE[YYN] -- source line where rule number YYN was defined.  */
-static const unsigned short yyrline[] =
+  /* YYRLINEYYN -- Source line where rule number YYN was defined.    */
+static const yytype_uint16 yyrline[] =

 {
 {

-       0,   160,   160,   168,   170,   174,   175,   176,   177,   178,
-     179,   180,   181,   182,   183,   184,   185,   186,   187,   188,
-     189,   190,   191,   192,   193,   194,   198,   199,   200,   204,
-     210,   217,   227,   227,   232,   232,   237,   247,   262,   263,
-     264,   268,   269,   275,   276,   281,   285,   290,   296,   302,
-     313,   314,   323,   324,   330,   331,   336,   340,   344,   344,
-     348,   349,   354,   355,   357,   359,   361,   363,   368,   369,
-     373,   379,   388,   395,   397
+       0,   201,   201,   209,   211,   215,   216,   226,   230,   234,
+     235,   240,   241,   242,   243,   244,   249,   258,   259,   260,
+     261,   262,   263,   264,   265,   266,   267,   268,   292,   293,
+     294,   295,   299,   300,   301,   305,   312,   319,   323,   327,
+     334,   349,   350,   354,   366,   366,   371,   371,   376,   387,
+     402,   403,   404,   405,   409,   410,   415,   417,   422,   423,
+     428,   430,   435,   436,   440,   441,   442,   443,   448,   453,
+     458,   464,   470,   481,   482,   491,   492,   498,   499,   500,
+     507,   507,   511,   512,   513,   518,   519,   521,   523,   525,
+     527,   537,   538,   543,   544,   553,   573,   575,   584,   589,
+     590,   595,   602,   604

 };
 #endif
 
 };
 #endif
 

-#if YYDEBUG || YYERROR_VERBOSE
-/* YYTNME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM.
-   First, the terminals, then, starting at YYNTOKENS, nonterminals. */
+#if YYDEBUG || YYERROR_VERBOSE || YYTOKEN_TABLE
+/* YYTNAME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM.
+   First, the terminals, then, starting at YYNTOKENS, nonterminals.  */

 static const char *const yytname[] =
 {
 static const char *const yytname[] =
 {

-  "\"end of file\"", "error", "$undefined", "\"string\"", "\"integer\"", 
-  "\"%token\"", "\"%nterm\"", "\"%type\"", "\"%destructor {...}\"", 
-  "\"%printer {...}\"", "\"%union {...}\"", "\"%left\"", "\"%right\"", 
-  "\"%nonassoc\"", "\"%prec\"", "\"%dprec\"", "\"%merge\"", "\"%debug\"", 
-  "\"%define\"", "\"%defines\"", "\"%error-verbose\"", "\"%expect\"", 
-  "\"%file-prefix\"", "\"%glr-parser\"", "\"%lex-param {...}\"", 
-  "\"%locations\"", "\"%name-prefix\"", "\"%no-lines\"", "\"%output\"", 
-  "\"%parse-param {...}\"", "\"%pure-parser\"", "\"%skeleton\"", 
-  "\"%start\"", "\"%token-table\"", "\"%verbose\"", "\"%yacc\"", 
-  "\"type\"", "\"=\"", "\";\"", "\"|\"", "\"identifier\"", 
-  "\"identifier:\"", "\"%%\"", "\"%{...%}\"", "\"epilogue\"", "\"{...}\"", 
-  "$accept", "input", "declarations", "declaration", 
-  "grammar_declaration", "symbol_declaration", "@1", "@2", 
-  "precedence_declaration", "precedence_declarator", "type.opt", 
-  "symbols.1", "symbol_def", "symbol_defs.1", "grammar", 
-  "rules_or_grammar_declaration", "rules", "@3", "rhses.1", "rhs", 
-  "symbol", "action", "string_as_id", "string_content", "epilogue.opt", 0
+  "\"end of file\"", "error", "$undefined", "\"string\"", "\"integer\"",
+  "\"%token\"", "\"%nterm\"", "\"%type\"", "\"%destructor\"",
+  "\"%printer\"", "\"%left\"", "\"%right\"", "\"%nonassoc\"",
+  "\"%precedence\"", "\"%prec\"", "\"%dprec\"", "\"%merge\"", "\"%code\"",
+  "\"%default-prec\"", "\"%define\"", "\"%defines\"", "\"%expect\"",
+  "\"%expect-rr\"", "\"%<flag>\"", "\"%file-prefix\"", "\"%glr-parser\"",
+  "\"%initial-action\"", "\"%language\"", "\"%lex-param\"",
+  "\"%name-prefix\"", "\"%no-default-prec\"", "\"%no-lines\"",
+  "\"%nondeterministic-parser\"", "\"%output\"", "\"%parse-param\"",
+  "\"%require\"", "\"%skeleton\"", "\"%start\"", "\"%token-table\"",
+  "\"%verbose\"", "\"%yacc\"", "\"{...}\"", "\"char\"", "\"epilogue\"",
+  "\"=\"", "\"identifier\"", "\"identifier:\"", "\"%%\"", "\"|\"",
+  "\"%{...%}\"", "\";\"", "\"<tag>\"", "\"<*>\"", "\"<>\"", "\"%union\"",
+  "$accept", "input", "prologue_declarations", "prologue_declaration",
+  "grammar_declaration", "union_name", "symbol_declaration", "$@1", "$@2",
+  "precedence_declaration", "precedence_declarator", "tag.opt",
+  "symbols.prec", "symbol.prec", "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
 
 # ifdef YYPRINT
 };
 #endif
 
 # ifdef YYPRINT

-/* YYTOKNUM[YYLEX-NUM] -- Internal token number corresponding to
-   token YYLEX-NUM.  */
-static const unsigned short yytoknum[] =
+/* YYTOKNUM[NUM] -- (External) token number corresponding to the
+   (internal) symbol number NUM (which must be that of a token).  */
+static const yytype_uint16 yytoknum[] =

 {
        0,   256,   257,   258,   259,   260,   261,   262,   263,   264,
      265,   266,   267,   268,   269,   270,   271,   272,   273,   274,
      275,   276,   277,   278,   279,   280,   281,   282,   283,   284,
      285,   286,   287,   288,   289,   290,   291,   292,   293,   294,
 {
        0,   256,   257,   258,   259,   260,   261,   262,   263,   264,
      265,   266,   267,   268,   269,   270,   271,   272,   273,   274,
      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
+     295,   296,   297,   298,   299,   300,   301,   302,   303,   304,
+     305,   306,   307,   308,   309

 };
 # endif
 
 };
 # endif
 

-/* YYR1[YYN] -- Symbol number of symbol that rule YYN derives.  */
-static const unsigned char yyr1[] =
+#define YYPACT_NINF -93
+
+#define YYTABLE_NINF -103
+
+  /* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing
+     STATE-NUM.    */
+static const yytype_int16 yypact[] =

 {
 {

-       0,    46,    47,    48,    48,    49,    49,    49,    49,    49,
-      49,    49,    49,    49,    49,    49,    49,    49,    49,    49,
-      49,    49,    49,    49,    49,    49,    50,    50,    50,    50,
-      50,    50,    52,    51,    53,    51,    51,    54,    55,    55,
-      55,    56,    56,    57,    57,    58,    58,    58,    58,    58,
-      59,    59,    60,    60,    61,    61,    61,    61,    63,    62,
-      64,    64,    65,    65,    65,    65,    65,    65,    66,    66,
-      67,    68,    69,    70,    70
+     -93,     9,   100,   -93,   -93,   -93,   -50,    21,    32,   -93,
+     -93,   -93,   -93,   -39,   -93,     1,    56,    73,    74,   -93,
+      10,   -93,    38,    79,    43,    27,   -93,   -93,   -93,    37,
+      44,    83,    84,    22,   -93,   -93,   -93,    26,   -93,   -93,
+      45,   -93,   -93,   -93,   -93,    40,   -37,   -37,    22,     0,
+       0,   -93,    47,   -93,   -93,   -93,    86,   -93,   -93,   -93,
+     -93,    89,   -93,   -93,   -93,   -93,    92,   -93,    94,   -93,
+     -93,   -93,   -93,   -93,   -93,   -93,   -93,   -93,    48,   -93,
+      50,    11,   -93,   -93,   -93,   -93,    47,   -93,    22,   -93,
+     -93,   -37,    66,   -37,    22,   -93,   -93,   -93,   -93,     0,
+     -93,   -93,     0,   -93,   -93,   -93,   -93,   -93,   -93,   -93,
+     -93,    58,   -93,   -93,   -93,   -93,    22,   -93,    98,   -93,
+     111,   -93,   -93,   -93,   -93,    18,   141,   -93,   -93,   -93,
+     -93,   -93,    22,    99,    64,   -93,   -93,   141,   -93,   -93,
+     -93

 };
 
 };
 

-/* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN.  */
-static const unsigned char yyr2[] =
+  /* YYDEFACT[S] -- default reduction number in state S.  Performed when
+     YYTABLE does not specify something else to do.  Zero means the default
+     is an error.    */
+static const yytype_uint8 yydefact[] =

 {
 {

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

 };
 
 };
 

-/* YYDEFACT[STATE-NAME] -- Default rule to reduce with in state
-   STATE-NUM when YYTABLE doesn't specify something else to do.  Zero
-   means the default is an error.  */
-static const unsigned char yydefact[] =
+  /* YYPGOTO[NTERM-NUM].    */
+static const yytype_int8 yypgoto[] =

 {
 {

-       3,     0,     0,     1,    34,    32,     0,     0,     0,    29,
-      38,    39,    40,     7,     0,     9,    10,     0,     0,    13,
-      14,    15,     0,    17,     0,    19,    20,     0,     0,    22,
-      23,    24,    25,     0,     6,     4,     5,    27,    26,    41,
-       0,     0,     0,    71,    68,    30,    43,    69,    31,    72,
-       0,    11,     0,     0,     0,    21,    28,     0,    57,    58,
-      55,     0,    52,    54,    42,     0,    45,    46,    50,    35,
-      33,    36,    44,     8,    12,    16,    18,    56,    62,     0,
-      53,     2,    37,    47,    48,    51,    59,    60,    74,    49,
-      62,     0,     0,     0,    70,    63,    64,    61,    65,    66,
-      67
+     -93,   -93,   -93,   -93,   114,   -93,   -93,   -93,   -93,   -93,
+     -93,   -93,   -93,    25,   -93,    93,   -92,   -17,    95,   -93,
+      65,   -93,   -93,   -93,    15,   -93,   -93,   -26,     3,   -93,
+     -33,   -45,   -93

 };
 
 };
 

-/* YYDEFGOTO[NTERM-NUM]. */
-static const yysigned_char yydefgoto[] =
+  /* YYDEFGOTO[NTERM-NUM].    */
+static const yytype_int8 yydefgoto[] =

 {
 {

-      -1,     1,     2,    35,    60,    37,    41,    40,    38,    39,
-      65,    45,    68,    69,    61,    62,    63,    78,    86,    87,
-      46,    96,    47,    50,    81
+      -1,     1,     2,    41,    80,    86,    43,    47,    46,    44,
+      45,    88,   116,   117,    94,    99,   100,    90,    91,    81,
+      82,    83,   114,   125,   126,    56,   105,    53,    75,    84,
+     101,    77,   113

 };
 
 };
 

-/* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing
-   STATE-NUM.  */
-#define YYPACT_NINF -65
-static const yysigned_char yypact[] =
+  /* 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.    */
+static const yytype_int16 yytable[] =

 {
 {

-     -65,     5,   114,   -65,   -65,   -65,   -24,     1,     1,   -65,
-     -65,   -65,   -65,   -65,    10,   -65,   -65,    11,   -23,   -65,
-     -65,   -65,   -21,   -65,   -15,   -65,   -65,    10,     1,   -65,
-     -65,   -65,   -65,    77,   -65,   -65,   -65,   -65,   -65,   -13,
-     -34,   -34,     1,   -65,   -65,     1,   -65,   -65,     1,   -65,
-      10,   -65,    10,    10,    10,   -65,   -65,   -17,   -65,   -65,
-     -65,    39,   -65,   -65,   -65,     1,   -65,     4,   -65,   -34,
-     -34,     1,   -65,   -65,   -65,   -65,   -65,   -65,   -65,   -20,
-     -65,   -65,     1,    22,   -65,   -65,   -12,    15,   -65,   -65,
-     -65,     1,    24,   -10,   -65,   -65,   -65,    15,   -65,   -65,
-     -65
+      76,    48,    51,    72,    54,    73,    52,   123,    74,     3,
+     123,  -102,    78,    60,    89,    95,     4,     5,     6,     7,
+       8,     9,    10,    11,    12,    72,   103,    78,    13,    14,
+      65,     4,     5,     6,     7,     8,     9,    10,    11,    12,
+      67,    26,    73,    13,    14,    74,    55,   121,    33,    92,
+      92,    96,    97,    98,    61,   118,    26,    79,   111,    57,
+     115,   122,    49,    33,    73,    40,   130,    74,   131,    72,
+     120,    66,    79,    50,   119,   129,   119,    58,    59,    62,
+      40,    68,    63,   118,    64,    69,    70,    71,    51,   104,
+      85,    87,   106,   136,    92,   107,    92,   108,   109,   138,
+     110,   124,   128,   139,   136,     4,     5,     6,     7,     8,
+       9,    10,    11,    12,    72,   140,    42,    13,    14,    15,
+      16,    17,    18,    19,    20,    21,    22,    23,    24,    25,
+      26,    27,    28,    29,    30,    31,    32,    33,    34,    35,
+      36,   127,    93,   102,    72,   137,   112,    37,     0,    38,
+      39,     0,     0,     0,    40,   132,   133,   134,     0,     0,
+       0,     0,     0,     0,     0,     0,     0,     0,     0,     0,
+       0,     0,     0,     0,     0,     0,     0,     0,     0,     0,
+       0,     0,   135,    73,     0,     0,    74

 };
 
 };
 

-/* YYPGOTO[NTERM-NUM].  */
-static const yysigned_char yypgoto[] =
+static const yytype_int16 yycheck[] =

 {
 {

-     -65,   -65,   -65,   -65,    30,   -65,   -65,   -65,   -65,   -65,
-     -65,    -7,   -60,    -8,   -65,   -19,   -65,   -65,   -65,   -37,
-     -28,   -65,   -64,   -16,   -65
+      33,    51,    41,     3,     3,    42,    45,    99,    45,     0,
+     102,     0,     1,     3,    51,    48,     5,     6,     7,     8,
+       9,    10,    11,    12,    13,     3,    52,     1,    17,    18,
+       3,     5,     6,     7,     8,     9,    10,    11,    12,    13,
+       3,    30,    42,    17,    18,    45,    45,    92,    37,    46,
+      47,    51,    52,    53,    44,    88,    30,    46,    47,     3,
+      86,    94,    41,    37,    42,    54,    48,    45,    50,     3,
+       4,    44,    46,    41,    91,   120,    93,     4,     4,    41,
+      54,    44,     3,   116,    41,    41,     3,     3,    41,     3,
+      45,    51,     3,   126,    91,     3,    93,     3,    50,   132,
+      50,    43,     4,     4,   137,     5,     6,     7,     8,     9,
+      10,    11,    12,    13,     3,    51,     2,    17,    18,    19,
+      20,    21,    22,    23,    24,    25,    26,    27,    28,    29,
+      30,    31,    32,    33,    34,    35,    36,    37,    38,    39,
+      40,   116,    47,    50,     3,   130,    81,    47,    -1,    49,
+      50,    -1,    -1,    -1,    54,    14,    15,    16,    -1,    -1,
+      -1,    -1,    -1,    -1,    -1,    -1,    -1,    -1,    -1,    -1,
+      -1,    -1,    -1,    -1,    -1,    -1,    -1,    -1,    -1,    -1,
+      -1,    -1,    41,    42,    -1,    -1,    45

 };
 
 };
 

-/* 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 -74
-static const yysigned_char yytable[] =
+  /* STOS_[STATE-NUM] -- The (internal number of the) accessing
+     symbol of state STATE-NUM.    */
+static const yytype_uint8 yystos[] =

 {
 {

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

 };
 
 };
 

-static const yysigned_char yycheck[] =
+  /* YYR1[YYN] -- Symbol number of symbol that rule YYN derives.    */
+static const yytype_uint8 yyr1[] =

 {
 {

-      28,     8,    36,    67,     3,     0,    40,     3,     4,    69,
-      70,    27,    36,     3,    37,     4,    37,    45,     3,    83,
-      48,    38,    37,    36,    44,     3,    36,    39,     4,    14,
-      15,    16,     2,    41,    50,    42,    52,    53,    54,     0,
-       1,    40,    61,    71,     5,     6,     7,     8,     9,    10,
-      11,    12,    13,    90,    82,    40,    -1,    -1,    65,    87,
-      45,    -1,    -1,    91,    -1,    -1,    -1,    -1,    -1,    97,
-      -1,    32,    -1,    -1,    -1,    -1,    -1,    38,     1,    -1,
-      41,    42,     5,     6,     7,     8,     9,    10,    11,    12,
-      13,    -1,    -1,    -1,    -1,    -1,    -1,    -1,    -1,    -1,
-      -1,    -1,    -1,    -1,    -1,    -1,    -1,    -1,    -1,    32,
-      -1,    -1,    -1,    -1,    -1,    38,    -1,    -1,    41,     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,
-      -1,    -1,    38,    -1,    -1,    -1,    42,    43
+       0,    55,    56,    57,    57,    58,    58,    58,    58,    58,
+      58,    58,    58,    58,    58,    58,    58,    58,    58,    58,
+      58,    58,    58,    58,    58,    58,    58,    58,    58,    58,
+      58,    58,    59,    59,    59,    59,    59,    59,    59,    59,
+      59,    60,    60,    59,    62,    61,    63,    61,    61,    64,
+      65,    65,    65,    65,    66,    66,    67,    67,    68,    68,
+      69,    69,    70,    70,    71,    71,    71,    71,    72,    72,
+      72,    72,    72,    73,    73,    74,    74,    75,    75,    75,
+      77,    76,    78,    78,    78,    79,    79,    79,    79,    79,
+      79,    80,    80,    81,    81,    82,    83,    83,    84,    85,
+      85,    86,    87,    87

 };
 
 };
 

-/* YYSTOS[STATE-NUM] -- The (internal number of the) accessing
-   symbol of state STATE-NUM.  */
-static const unsigned char yystos[] =
+  /* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN.    */
+static const yytype_uint8 yyr2[] =

 {
 {

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

 };
 
 };
 

-#if ! defined (YYSIZE_T) && defined (__SIZE_TYPE__)
-# define YYSIZE_T __SIZE_TYPE__
-#endif
-#if ! defined (YYSIZE_T) && defined (size_t)
-# define YYSIZE_T size_t
-#endif
-#if ! defined (YYSIZE_T)
-# if defined (__STDC__) || defined (__cplusplus)
-#  include <stddef.h> /* INFRINGES ON USER NAME SPACE */
-#  define YYSIZE_T size_t
-# endif
-#endif
-#if ! defined (YYSIZE_T)
-# define YYSIZE_T unsigned int
-#endif

 
 #define yyerrok                (yyerrstatus = 0)
 #define yyclearin      (yychar = YYEMPTY)
 
 #define yyerrok                (yyerrstatus = 0)
 #define yyclearin      (yychar = YYEMPTY)


@@ -654,7 +839,8 @@ static const unsigned char yystos[] =
 
 #define YYACCEPT       goto yyacceptlab
 #define YYABORT                goto yyabortlab
 
 #define YYACCEPT       goto yyacceptlab
 #define YYABORT                goto yyabortlab

-#define YYERROR                goto yyerrlab1
+#define YYERROR                goto yyerrorlab
+

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


@@ -671,30 +857,63 @@ do                                                                \
       yychar = (Token);                                                \
       yylval = (Value);                                                \
       yytoken = YYTRANSLATE (yychar);                          \
       yychar = (Token);                                                \
       yylval = (Value);                                                \
       yytoken = YYTRANSLATE (yychar);                          \

-      YYPOPSTACK;                                              \
+      YYPOPSTACK (1);                                          \

       goto yybackup;                                           \
     }                                                          \
   else                                                         \
       goto yybackup;                                           \
     }                                                          \
   else                                                         \

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

       YYERROR;                                                 \
     }                                                          \
       YYERROR;                                                 \
     }                                                          \

-while (0)
+while (YYID (0))
+

 
 #define YYTERROR       1
 #define YYERRCODE      256
 
 
 #define YYTERROR       1
 #define YYERRCODE      256
 

-/* YYLLOC_DEFAULT -- Compute the default location (before the actions
-   are run).  */

 
 

+/* YYLLOC_DEFAULT -- Set CURRENT to span from RHS[1] to RHS[N].
+   If N is 0, then set CURRENT to the empty location which ends
+   the previous symbol: RHS[0] (always defined).  */
+
+#define YYRHSLOC(Rhs, K) ((Rhs)[K])

 #ifndef YYLLOC_DEFAULT
 #ifndef YYLLOC_DEFAULT

-# define YYLLOC_DEFAULT(Current, Rhs, N)         \
-  Current.first_line   = Rhs[1].first_line;      \
-  Current.first_column = Rhs[1].first_column;    \
-  Current.last_line    = Rhs[N].last_line;       \
-  Current.last_column  = Rhs[N].last_column;
+# define YYLLOC_DEFAULT(Current, Rhs, N)                               \
+    do                                                                 \
+      if (YYID (N))                                                    \
+       {                                                               \
+         (Current).first_line   = YYRHSLOC (Rhs, 1).first_line;        \
+         (Current).first_column = YYRHSLOC (Rhs, 1).first_column;      \
+         (Current).last_line    = YYRHSLOC (Rhs, N).last_line;         \
+         (Current).last_column  = YYRHSLOC (Rhs, N).last_column;       \
+       }                                                               \
+      else                                                             \
+       {                                                               \
+         (Current).first_line   = (Current).last_line   =              \
+           YYRHSLOC (Rhs, 0).last_line;                                \
+         (Current).first_column = (Current).last_column =              \
+           YYRHSLOC (Rhs, 0).last_column;                              \
+       }                                                               \
+    while (YYID (0))

 #endif
 
 #endif
 

+
+/* YY_LOCATION_PRINT -- Print the location on the stream.
+   This macro was not mandated originally: define only if we know
+   we won't break user code: when these are the locations we know.  */
+
+#ifndef YY_LOCATION_PRINT
+# if YYLTYPE_IS_TRIVIAL
+#  define YY_LOCATION_PRINT(File, Loc)                 \
+     fprintf (File, "%d.%d-%d.%d",                     \
+             (Loc).first_line, (Loc).first_column,     \
+             (Loc).last_line,  (Loc).last_column)
+# else
+#  define YY_LOCATION_PRINT(File, Loc) ((void) 0)
+# endif
+#endif
+
+

 /* YYLEX -- calling `yylex' with the right arguments.  */
 
 #ifdef YYLEX_PARAM
 /* YYLEX -- calling `yylex' with the right arguments.  */
 
 #ifdef YYLEX_PARAM


@@ -715,43 +934,258 @@ while (0)
 do {                                           \
   if (yydebug)                                 \
     YYFPRINTF Args;                            \
 do {                                           \
   if (yydebug)                                 \
     YYFPRINTF Args;                            \

-} while (0)
+} while (YYID (0))

 
 

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

 
 

-# define YYDSYMPRINTF(Title, Token, Value, Location)           \
-do {                                                           \
-  if (yydebug)                                                 \
-    {                                                          \
-      YYFPRINTF (stderr, "%s ", Title);                                \
-      yysymprint (stderr,                                      \
-                  Token, Value, Location);     \
-      YYFPRINTF (stderr, "\n");                                        \
-    }                                                          \
-} while (0)
+
+/*--------------------------------.
+| Print this symbol on YYOUTPUT.  |
+`--------------------------------*/
+
+/*ARGSUSED*/
+#if (defined __STDC__ || defined __C99__FUNC__ \
+     || defined __cplusplus || defined _MSC_VER)
+static void
+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;
+    YYSTYPE const * const yyvaluep;
+    YYLTYPE const * const yylocationp;
+#endif
+{
+  if (!yyvaluep)
+    return;
+  YYUSE (yylocationp);
+# ifdef YYPRINT
+  if (yytype < YYNTOKENS)
+    YYPRINT (yyoutput, yytoknum[yytype], *yyvaluep);
+# else
+  YYUSE (yyoutput);
+# endif
+  switch (yytype)
+    {
+            case 3: // "string"
+
+/* Line 647 of yacc.c  */
+#line 178 "parse-gram.y"
+        { fputs (quotearg_style (c_quoting_style, ((*yyvaluep).chars)), stderr); }
+/* Line 647 of yacc.c  */
+#line 987 "src/parse-gram.c"
+        break;
+
+            case 4: // "integer"
+
+/* Line 647 of yacc.c  */
+#line 190 "parse-gram.y"
+        { fprintf (stderr, "%d", ((*yyvaluep).integer)); }
+/* Line 647 of yacc.c  */
+#line 996 "src/parse-gram.c"
+        break;
+
+            case 23: // "%<flag>"
+
+/* Line 647 of yacc.c  */
+#line 186 "parse-gram.y"
+        { fprintf (stderr, "%%%s", ((*yyvaluep).uniqstr)); }
+/* Line 647 of yacc.c  */
+#line 1005 "src/parse-gram.c"
+        break;
+
+            case 41: // "{...}"
+
+/* Line 647 of yacc.c  */
+#line 180 "parse-gram.y"
+        { fprintf (stderr, "{\n%s\n}", ((*yyvaluep).code)); }
+/* Line 647 of yacc.c  */
+#line 1014 "src/parse-gram.c"
+        break;
+
+            case 42: // "char"
+
+/* Line 647 of yacc.c  */
+#line 172 "parse-gram.y"
+        { fputs (char_name (((*yyvaluep).character)), stderr); }
+/* Line 647 of yacc.c  */
+#line 1023 "src/parse-gram.c"
+        break;
+
+            case 43: // "epilogue"
+
+/* Line 647 of yacc.c  */
+#line 180 "parse-gram.y"
+        { fprintf (stderr, "{\n%s\n}", ((*yyvaluep).chars)); }
+/* Line 647 of yacc.c  */
+#line 1032 "src/parse-gram.c"
+        break;
+
+            case 45: // "identifier"
+
+/* Line 647 of yacc.c  */
+#line 184 "parse-gram.y"
+        { fputs (((*yyvaluep).uniqstr), stderr); }
+/* Line 647 of yacc.c  */
+#line 1041 "src/parse-gram.c"
+        break;
+
+            case 46: // "identifier:"
+
+/* Line 647 of yacc.c  */
+#line 185 "parse-gram.y"
+        { fprintf (stderr, "%s:", ((*yyvaluep).uniqstr)); }
+/* Line 647 of yacc.c  */
+#line 1050 "src/parse-gram.c"
+        break;
+
+            case 49: // "%{...%}"
+
+/* Line 647 of yacc.c  */
+#line 180 "parse-gram.y"
+        { fprintf (stderr, "{\n%s\n}", ((*yyvaluep).chars)); }
+/* Line 647 of yacc.c  */
+#line 1059 "src/parse-gram.c"
+        break;
+
+            case 51: // "<tag>"
+
+/* Line 647 of yacc.c  */
+#line 187 "parse-gram.y"
+        { fprintf (stderr, "<%s>", ((*yyvaluep).uniqstr)); }
+/* Line 647 of yacc.c  */
+#line 1068 "src/parse-gram.c"
+        break;
+
+            case 80: // variable
+
+/* Line 647 of yacc.c  */
+#line 184 "parse-gram.y"
+        { fputs (((*yyvaluep).uniqstr), stderr); }
+/* Line 647 of yacc.c  */
+#line 1077 "src/parse-gram.c"
+        break;
+
+            case 81: // content.opt
+
+/* Line 647 of yacc.c  */
+#line 180 "parse-gram.y"
+        { fprintf (stderr, "{\n%s\n}", ((*yyvaluep).chars)); }
+/* Line 647 of yacc.c  */
+#line 1086 "src/parse-gram.c"
+        break;
+
+            case 82: // braceless
+
+/* Line 647 of yacc.c  */
+#line 180 "parse-gram.y"
+        { fprintf (stderr, "{\n%s\n}", ((*yyvaluep).chars)); }
+/* Line 647 of yacc.c  */
+#line 1095 "src/parse-gram.c"
+        break;
+
+            case 83: // id
+
+/* Line 647 of yacc.c  */
+#line 193 "parse-gram.y"
+        { fprintf (stderr, "%s", ((*yyvaluep).symbol)->tag); }
+/* Line 647 of yacc.c  */
+#line 1104 "src/parse-gram.c"
+        break;
+
+            case 84: // id_colon
+
+/* Line 647 of yacc.c  */
+#line 194 "parse-gram.y"
+        { fprintf (stderr, "%s:", ((*yyvaluep).symbol)->tag); }
+/* Line 647 of yacc.c  */
+#line 1113 "src/parse-gram.c"
+        break;
+
+            case 85: // symbol
+
+/* Line 647 of yacc.c  */
+#line 193 "parse-gram.y"
+        { fprintf (stderr, "%s", ((*yyvaluep).symbol)->tag); }
+/* Line 647 of yacc.c  */
+#line 1122 "src/parse-gram.c"
+        break;
+
+            case 86: // string_as_id
+
+/* Line 647 of yacc.c  */
+#line 193 "parse-gram.y"
+        { fprintf (stderr, "%s", ((*yyvaluep).symbol)->tag); }
+/* Line 647 of yacc.c  */
+#line 1131 "src/parse-gram.c"
+        break;
+
+      default:
+       break;
+    }
+}
+
+
+/*--------------------------------.
+| Print this symbol on YYOUTPUT.  |
+`--------------------------------*/
+
+#if (defined __STDC__ || defined __C99__FUNC__ \
+     || defined __cplusplus || defined _MSC_VER)
+static void
+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;
+    YYSTYPE const * const yyvaluep;
+    YYLTYPE const * const yylocationp;
+#endif
+{
+  if (yytype < YYNTOKENS)
+    YYFPRINTF (yyoutput, "token %s (", yytname[yytype]);
+  else
+    YYFPRINTF (yyoutput, "nterm %s (", yytname[yytype]);
+
+  YY_LOCATION_PRINT (yyoutput, *yylocationp);
+  YYFPRINTF (yyoutput, ": ");
+  yy_symbol_value_print (yyoutput, yytype, yyvaluep, yylocationp);
+  YYFPRINTF (yyoutput, ")");
+}

 
 /*------------------------------------------------------------------.
 | yy_stack_print -- Print the state stack from its BOTTOM up to its |
 
 /*------------------------------------------------------------------.
 | yy_stack_print -- Print the state stack from its BOTTOM up to its |

-| TOP (cinluded).                                                   |
+| TOP (included).                                                   |

 `------------------------------------------------------------------*/
 
 `------------------------------------------------------------------*/
 

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

 static void
 static void

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

 #else
 static void
 #else
 static void

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

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

-  for (/* Nothing. */; bottom <= top; ++bottom)
-    YYFPRINTF (stderr, " %d", *bottom);
+  for (; yybottom <= yytop; yybottom++)
+    {
+      int yybot = *yybottom;
+      YYFPRINTF (stderr, " %d", yybot);
+    }

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


@@ -759,45 +1193,55 @@ yy_stack_print (bottom, top)
 do {                                                           \
   if (yydebug)                                                 \
     yy_stack_print ((Bottom), (Top));                          \
 do {                                                           \
   if (yydebug)                                                 \
     yy_stack_print ((Bottom), (Top));                          \

-} while (0)
+} while (YYID (0))

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

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

 static void
 static void

-yy_reduce_print (int yyrule)
+yy_reduce_print (yytype_int16 *yyssp, YYSTYPE *yyvsp, YYLTYPE *yylsp, int yyrule)

 #else
 static void
 #else
 static void

-yy_reduce_print (yyrule)
+yy_reduce_print (yyssp, yyvsp, yylsp, yyrule)
+    yytype_int16 *yyssp;
+    YYSTYPE *yyvsp;
+    YYLTYPE *yylsp;

     int yyrule;
 #endif
 {
     int yyrule;
 #endif
 {

+  unsigned long int yylno = yyrline[yyrule];
+  int yynrhs = yyr2[yyrule];

   int yyi;
   int yyi;

-  unsigned int yylineno = yyrline[yyrule];
-  YYFPRINTF (stderr, "Reducing stack by rule %d (line %u), ",
-             yyrule - 1, yylineno);
-  /* Print the symbols being reduced, and their result.  */
-  for (yyi = yyprhs[yyrule]; 0 <= yyrhs[yyi]; yyi++)
-    YYFPRINTF (stderr, "%s ", yytname [yyrhs[yyi]]);
-  YYFPRINTF (stderr, "-> %s\n", yytname [yyr1[yyrule]]);
+  YYFPRINTF (stderr, "Reducing stack by rule %d (line %lu):\n",
+             yyrule - 1, yylno);
+  /* The symbols being reduced.  */
+  for (yyi = 0; yyi < yynrhs; yyi++)
+    {
+      YYFPRINTF (stderr, "   $%d = ", yyi + 1);
+      yy_symbol_print (stderr,
+                       yystos[yyssp[yyi + 1 - yynrhs]],
+                       &(yyvsp[(yyi + 1) - (yynrhs)])
+                       , &(yylsp[(yyi + 1) - (yynrhs)])                       );
+      YYFPRINTF (stderr, "\n");
+    }

 }
 
 # define YY_REDUCE_PRINT(Rule)         \
 do {                                   \
   if (yydebug)                         \
 }
 
 # define YY_REDUCE_PRINT(Rule)         \
 do {                                   \
   if (yydebug)                         \

-    yy_reduce_print (Rule);            \
-} while (0)
+    yy_reduce_print (yyssp, yyvsp, yylsp, Rule); \
+} while (YYID (0))

 
 /* Nonzero means print parse trace.  It is left uninitialized so that
    multiple parsers can coexist.  */
 int yydebug;
 #else /* !YYDEBUG */
 # define YYDPRINTF(Args)
 
 /* Nonzero means print parse trace.  It is left uninitialized so that
    multiple parsers can coexist.  */
 int yydebug;
 #else /* !YYDEBUG */
 # define YYDPRINTF(Args)

-# define YYDSYMPRINT(Args)
-# define YYDSYMPRINTF(Title, Token, Value, Location)
+# define YY_SYMBOL_PRINT(Title, Type, Value, Location)

 # define YY_STACK_PRINT(Bottom, Top)
 # define YY_REDUCE_PRINT(Rule)
 #endif /* !YYDEBUG */
 # define YY_STACK_PRINT(Bottom, Top)
 # define YY_REDUCE_PRINT(Rule)
 #endif /* !YYDEBUG */


@@ -812,13 +1256,9 @@ int yydebug;
    if the built-in stack extension method is used).
 
    Do not make this value too large; the results are undefined if
    if the built-in stack extension method is used).
 
    Do not make this value too large; the results are undefined if

-   SIZE_MAX < YYSTACK_BYTES (YYMAXDEPTH)
+   YYSTACK_ALLOC_MAXIMUM < YYSTACK_BYTES (YYMAXDEPTH)

    evaluated with infinite-precision integer arithmetic.  */
 
    evaluated with infinite-precision integer arithmetic.  */
 

-#if YYMAXDEPTH == 0
-# undef YYMAXDEPTH
-#endif
-

 #ifndef YYMAXDEPTH
 # define YYMAXDEPTH 10000
 #endif
 #ifndef YYMAXDEPTH
 # define YYMAXDEPTH 10000
 #endif


@@ -828,45 +1268,47 @@ int yydebug;
 #if YYERROR_VERBOSE
 
 # ifndef yystrlen
 #if YYERROR_VERBOSE
 
 # ifndef yystrlen

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

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

+#if (defined __STDC__ || defined __C99__FUNC__ \
+     || defined __cplusplus || defined _MSC_VER)

 static YYSIZE_T
 static YYSIZE_T

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

 yystrlen (const char *yystr)
 yystrlen (const char *yystr)

-#   else
+#else
+static YYSIZE_T

 yystrlen (yystr)
 yystrlen (yystr)

-     const char *yystr;
-#   endif
+    const char *yystr;
+#endif

 {
 {

-  register const char *yys = yystr;
-
-  while (*yys++ != '\0')
+  YYSIZE_T yylen;
+  for (yylen = 0; yystr[yylen]; yylen++)

     continue;
     continue;

-
-  return yys - yystr - 1;
+  return yylen;

 }
 #  endif
 # endif
 
 # ifndef yystpcpy
 }
 #  endif
 # endif
 
 # ifndef yystpcpy

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

 #   define yystpcpy stpcpy
 #  else
 /* Copy YYSRC to YYDEST, returning the address of the terminating '\0' in
    YYDEST.  */
 #   define yystpcpy stpcpy
 #  else
 /* Copy YYSRC to YYDEST, returning the address of the terminating '\0' in
    YYDEST.  */

+#if (defined __STDC__ || defined __C99__FUNC__ \
+     || defined __cplusplus || defined _MSC_VER)

 static char *
 static char *

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

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

-#   else
+#else
+static char *

 yystpcpy (yydest, yysrc)
 yystpcpy (yydest, yysrc)

-     char *yydest;
-     const char *yysrc;
-#   endif
+    char *yydest;
+    const char *yysrc;
+#endif

 {
 {

-  register char *yyd = yydest;
-  register const char *yys = yysrc;
+  char *yyd = yydest;
+  const char *yys = yysrc;

 
   while ((*yyd++ = *yys++) != '\0')
     continue;
 
   while ((*yyd++ = *yys++) != '\0')
     continue;


@@ -876,88 +1318,198 @@ yystpcpy (yydest, yysrc)
 #  endif
 # endif
 
 #  endif
 # endif
 

-#endif /* !YYERROR_VERBOSE */
+# ifndef yytnamerr
+/* Copy to YYRES the contents of YYSTR after stripping away unnecessary
+   quotes and backslashes, so that it's suitable for yyerror.  The
+   heuristic is that double-quoting is unnecessary unless the string
+   contains an apostrophe, a comma, or backslash (other than
+   backslash-backslash).  YYSTR is taken from yytname.  If YYRES is
+   null, do not copy; instead, return the length of what the result
+   would have been.  */
+static YYSIZE_T
+yytnamerr (char *yyres, const char *yystr)
+{
+  if (*yystr == '"')
+    {
+      YYSIZE_T yyn = 0;
+      char const *yyp = yystr;
+
+      for (;;)
+       switch (*++yyp)
+         {
+         case '\'':
+         case ',':
+           goto do_not_strip_quotes;
+
+         case '\\':
+           if (*++yyp != '\\')
+             goto do_not_strip_quotes;
+           /* Fall through.  */
+         default:
+           if (yyres)
+             yyres[yyn] = *yyp;
+           yyn++;
+           break;
+
+         case '"':
+           if (yyres)
+             yyres[yyn] = '\0';
+           return yyn;
+         }
+    do_not_strip_quotes: ;
+    }

 
 

-\f
+  if (! yyres)
+    return yystrlen (yystr);

 
 

-#if YYDEBUG
-/*--------------------------------.
-| Print this symbol on YYOUTPUT.  |
-`--------------------------------*/
+  return yystpcpy (yyres, yystr) - yyres;
+}
+# endif

 
 

-#if defined (__STDC__) || defined (__cplusplus)
-static void
-yysymprint (FILE *yyoutput, int yytype, YYSTYPE *yyvaluep, YYLTYPE *yylocationp)
-#else
-static void
-yysymprint (yyoutput, yytype, yyvaluep, yylocationp)
-    FILE *yyoutput;
-    int yytype;
-    YYSTYPE *yyvaluep;
-    YYLTYPE *yylocationp;
-#endif
+/* Copy into YYRESULT an error message about the unexpected token
+   YYTOKEN while in state YYSTATE.  Return the number of bytes copied,
+   including the terminating null byte.  If YYRESULT is null, do not
+   copy anything; just return the number of bytes that would be
+   copied.  As a special case, return 0 if an ordinary "syntax error"
+   message will do.  Return YYSIZE_MAXIMUM if overflow occurs during
+   size calculation.  */
+static YYSIZE_T
+yysyntax_error (char *yyresult, int yystate, int yytoken)

 {
 {

-  /* Pacify ``unused variable'' warnings.  */
-  (void) yyvaluep;
-  (void) yylocationp;
+  int yyn = yypact[yystate];

 
 

-  if (yytype < YYNTOKENS)
-    {
-      YYFPRINTF (yyoutput, "token %s (", yytname[yytype]);
-# ifdef YYPRINT
-      YYPRINT (yyoutput, yytoknum[yytype], *yyvaluep);
-# endif
-    }
+  if (! (YYPACT_NINF < yyn && yyn <= YYLAST))
+    return 0;

   else
   else

-    YYFPRINTF (yyoutput, "nterm %s (", yytname[yytype]);
-
-  switch (yytype)

     {
     {

-      default:
-        break;
+      YYSIZE_T yysize0 = yytnamerr (0, yytname[yytoken]);
+      YYSIZE_T yysize = yysize0;
+      YYSIZE_T yysize1;
+      int yysize_overflow = 0;
+      enum { YYERROR_VERBOSE_ARGS_MAXIMUM = 5 };
+      /* Internationalized format string. */
+      const char *yyformat = 0;
+      /* Arguments of yyformat. */
+      char const *yyarg[YYERROR_VERBOSE_ARGS_MAXIMUM];
+
+      /* Start YYX at -YYN if negative to avoid negative indexes in
+        YYCHECK.  */
+      int yyxbegin = yyn < 0 ? -yyn : 0;
+
+      /* Stay within bounds of both yycheck and yytname.  */
+      int yychecklim = YYLAST - yyn + 1;
+      int yyxend = yychecklim < YYNTOKENS ? yychecklim : YYNTOKENS;
+      /* Number of reported tokens (one for the "unexpected", one per
+         "expected"). */
+      int yycount = 0;
+      int yyx;
+
+      yyarg[yycount++] = yytname[yytoken];
+
+      for (yyx = yyxbegin; yyx < yyxend; ++yyx)
+       if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR)
+         {
+           if (yycount == YYERROR_VERBOSE_ARGS_MAXIMUM)
+             {
+               yycount = 1;
+               yysize = yysize0;
+               break;
+             }
+           yyarg[yycount++] = yytname[yyx];
+           yysize1 = yysize + yytnamerr (0, yytname[yyx]);
+           yysize_overflow |= (yysize1 < yysize);
+           yysize = yysize1;
+         }
+
+        switch (yycount)
+        {
+#define YYCASE_(N, S)                           \
+          case N:                               \
+            yyformat = S;                       \
+          break
+          YYCASE_(1, YY_("syntax error, unexpected %s"));
+          YYCASE_(2, YY_("syntax error, unexpected %s, expecting %s"));
+          YYCASE_(3, YY_("syntax error, unexpected %s, expecting %s or %s"));
+          YYCASE_(4, YY_("syntax error, unexpected %s, expecting %s or %s or %s"));
+          YYCASE_(5, YY_("syntax error, unexpected %s, expecting %s or %s or %s or %s"));
+#undef YYCASE_
+        }
+
+      yysize1 = yysize + yystrlen (yyformat);
+      yysize_overflow |= (yysize1 < yysize);
+      yysize = yysize1;
+
+      if (yysize_overflow)
+       return YYSIZE_MAXIMUM;
+
+      if (yyresult)
+       {
+         /* Avoid sprintf, as that infringes on the user's name space.
+            Don't have undefined behavior even if the translation
+            produced a string with the wrong number of "%s"s.  */
+         char *yyp = yyresult;
+         int yyi = 0;
+         while ((*yyp = *yyformat) != '\0')
+            if (*yyp == '%' && yyformat[1] == 's' && yyi < yycount)
+              {
+                yyp += yytnamerr (yyp, yyarg[yyi++]);
+                yyformat += 2;
+              }
+            else
+              {
+                yyp++;
+                yyformat++;
+              }
+       }
+      return yysize;

     }
     }

-  YYFPRINTF (yyoutput, ")");

 }
 }

+#endif /* YYERROR_VERBOSE */
+\f

 
 

-#endif /* ! YYDEBUG */

 /*-----------------------------------------------.
 | Release the memory associated to this symbol.  |
 `-----------------------------------------------*/
 
 /*-----------------------------------------------.
 | Release the memory associated to this symbol.  |
 `-----------------------------------------------*/
 

-#if defined (__STDC__) || defined (__cplusplus)
+/*ARGSUSED*/
+#if (defined __STDC__ || defined __C99__FUNC__ \
+     || defined __cplusplus || defined _MSC_VER)

 static void
 static void

-yydestruct (int yytype, YYSTYPE *yyvaluep, YYLTYPE *yylocationp)
+yydestruct (const char *yymsg, int yytype, YYSTYPE *yyvaluep, YYLTYPE *yylocationp)

 #else
 static void
 #else
 static void

-yydestruct (yytype, yyvaluep, yylocationp)
+yydestruct (yymsg, yytype, yyvaluep, yylocationp)
+    const char *yymsg;

     int yytype;
     YYSTYPE *yyvaluep;
     YYLTYPE *yylocationp;
 #endif
 {
     int yytype;
     YYSTYPE *yyvaluep;
     YYLTYPE *yylocationp;
 #endif
 {

-  /* Pacify ``unused variable'' warnings.  */
-  (void) yyvaluep;
-  (void) yylocationp;
+  YYUSE (yyvaluep);
+  YYUSE (yylocationp);
+
+  if (!yymsg)
+    yymsg = "Deleting";
+  YY_SYMBOL_PRINT (yymsg, yytype, yyvaluep, yylocationp);

 
   switch (yytype)
     {
 
   switch (yytype)
     {

-

       default:
       default:

-        break;
+       break;

     }
 }
     }
 }

-\f

 
 /* Prevent warnings from -Wmissing-prototypes.  */
 
 /* Prevent warnings from -Wmissing-prototypes.  */

-

 #ifdef YYPARSE_PARAM
 #ifdef YYPARSE_PARAM

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

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

-# else
+#else

 int yyparse ();
 int yyparse ();

-# endif
+#endif

 #else /* ! YYPARSE_PARAM */
 #else /* ! YYPARSE_PARAM */

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

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


@@ -968,20 +1520,23 @@ int yyparse ();
 
 
 
 
 
 

-
-/*----------.
-| yyparse.  |
-`----------*/
+/*-------------------------.
+| yyparse or yypush_parse.  |
+`-------------------------*/

 
 #ifdef YYPARSE_PARAM
 
 #ifdef YYPARSE_PARAM

-# if defined (__STDC__) || defined (__cplusplus)
-int yyparse (void *YYPARSE_PARAM)
-# else
-int yyparse (YYPARSE_PARAM)
-  void *YYPARSE_PARAM;
-# endif
+#if (defined __STDC__ || defined __C99__FUNC__ \
+     || defined __cplusplus || defined _MSC_VER)
+int
+yyparse (void *YYPARSE_PARAM)
+#else
+int
+yyparse (YYPARSE_PARAM)
+    void *YYPARSE_PARAM;
+#endif

 #else /* ! YYPARSE_PARAM */
 #else /* ! YYPARSE_PARAM */

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

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


@@ -991,76 +1546,112 @@ yyparse ()
 #endif
 #endif
 {
 #endif
 #endif
 {

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

 int yychar;
 
 /* The semantic value of the lookahead symbol.  */
 YYSTYPE yylval;
 
 int yychar;
 
 /* The semantic value of the lookahead symbol.  */
 YYSTYPE yylval;
 

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

 /* Location data for the lookahead symbol.  */
 YYLTYPE yylloc;
 
 /* Location data for the lookahead symbol.  */
 YYLTYPE yylloc;
 

-  register int yystate;
-  register int yyn;
-  int yyresult;
-  /* Number of tokens to shift before error messages enabled.  */
-  int yyerrstatus;
-  /* Lookahead token as an internal (translated) token number.  */
-  int yytoken = 0;
+    /* Number of syntax errors so far.  */
+    int yynerrs;

 
 

-  /* Three stacks and their tools:
-     `yyss': related to states,
-     `yyvs': related to semantic values,
-     `yyls': related to locations.
+    int yystate;
+    /* Number of tokens to shift before error messages enabled.  */
+    int yyerrstatus;

 
 

-     Refer to the stacks thru separate pointers, to allow yyoverflow
-     to reallocate them elsewhere.  */
+    /* The stacks and their tools:
+       `yyss': related to states.
+       `yyvs': related to semantic values.
+       `yyls': related to locations.

 
 

-  /* The state stack.  */
-  short        yyssa[YYINITDEPTH];
-  short *yyss = yyssa;
-  register short *yyssp;
+       Refer to the stacks thru separate pointers, to allow yyoverflow
+       to reallocate them elsewhere.  */

 
 

-  /* The semantic value stack.  */
-  YYSTYPE yyvsa[YYINITDEPTH];
-  YYSTYPE *yyvs = yyvsa;
-  register YYSTYPE *yyvsp;
+    /* The state stack.  */
+    yytype_int16 yyssa[YYINITDEPTH];
+    yytype_int16 *yyss;
+    yytype_int16 *yyssp;

 
 

-  /* The location stack.  */
-  YYLTYPE yylsa[YYINITDEPTH];
-  YYLTYPE *yyls = yylsa;
-  YYLTYPE *yylsp;
+    /* The semantic value stack.  */
+    YYSTYPE yyvsa[YYINITDEPTH];
+    YYSTYPE *yyvs;
+    YYSTYPE *yyvsp;

 
 

-#define YYPOPSTACK   (yyvsp--, yyssp--, yylsp--)
+    /* The location stack.  */
+    YYLTYPE yylsa[YYINITDEPTH];
+    YYLTYPE *yyls;
+    YYLTYPE *yylsp;

 
 

-  YYSIZE_T yystacksize = YYINITDEPTH;
+    /* The locations where the error started and ended.  */
+    YYLTYPE yyerror_range[2];

 
 

+    YYSIZE_T yystacksize;
+
+  int yyn;
+  int yyresult;
+  /* Lookahead token as an internal (translated) token number.  */
+  int yytoken;

   /* The variables used to return semantic value and location from the
      action routines.  */
   YYSTYPE yyval;
   YYLTYPE yyloc;
 
   /* The variables used to return semantic value and location from the
      action routines.  */
   YYSTYPE yyval;
   YYLTYPE yyloc;
 

-  /* When reducing, the number of symbols on the RHS of the reduced
-     rule.  */
-  int yylen;
+#if YYERROR_VERBOSE
+  /* Buffer for error messages, and its allocated size.  */
+  char yymsgbuf[128];
+  char *yymsg = yymsgbuf;
+  YYSIZE_T yymsg_alloc = sizeof yymsgbuf;
+#endif
+
+#define YYPOPSTACK(N)   (yyvsp -= (N), yyssp -= (N), yylsp -= (N))
+
+  /* The number of symbols on the RHS of the reduced rule.
+     Keep to zero when no symbol should be popped.  */
+  int yylen = 0;
+
+  yytoken = 0;
+  yyss = yyssa;
+  yyvs = yyvsa;
+  yyls = yylsa;
+  yystacksize = YYINITDEPTH;

 
   YYDPRINTF ((stderr, "Starting parse\n"));
 
   yystate = 0;
   yyerrstatus = 0;
   yynerrs = 0;
 
   YYDPRINTF ((stderr, "Starting parse\n"));
 
   yystate = 0;
   yyerrstatus = 0;
   yynerrs = 0;

-  yychar = YYEMPTY;            /* Cause a token to be read.  */
+  yychar = YYEMPTY; /* Cause a token to be read.  */

 
   /* Initialize stack pointers.
      Waste one element of value and location stack
      so that they stay on the same level as the state stack.
      The wasted elements are never initialized.  */
 
   /* Initialize stack pointers.
      Waste one element of value and location stack
      so that they stay on the same level as the state stack.
      The wasted elements are never initialized.  */

-

   yyssp = yyss;
   yyvsp = yyvs;
   yylsp = yyls;
   yyssp = yyss;
   yyvsp = yyvs;
   yylsp = yyls;

+
+#if YYLTYPE_IS_TRIVIAL
+  /* Initialize the default location before parsing starts.  */
+  yylloc.first_line   = yylloc.last_line   = 1;
+  yylloc.first_column = yylloc.last_column = 1;
+#endif
+
+/* User initialization code.  */
+/* Line 1173 of yacc.c  */
+#line 84 "parse-gram.y"
+{
+  /* Bison's grammar can initial empty locations, hence a default
+     location is needed. */
+  boundary_set (&yylloc.start, current_file, 1, 1);
+  boundary_set (&yylloc.end, current_file, 1, 1);
+}
+/* Line 1173 of yacc.c  */
+#line 1653 "src/parse-gram.c"
+  yylsp[0] = yylloc;
+

   goto yysetstate;
 
 /*------------------------------------------------------------.
   goto yysetstate;
 
 /*------------------------------------------------------------.


@@ -1068,8 +1659,7 @@ YYLTYPE yylloc;
 `------------------------------------------------------------*/
  yynewstate:
   /* In all cases, when you get here, the value and location stacks
 `------------------------------------------------------------*/
  yynewstate:
   /* In all cases, when you get here, the value and location stacks

-     have just been pushed. so pushing a state here evens the stacks.
-     */
+     have just been pushed.  So pushing a state here evens the stacks.  */

   yyssp++;
 
  yysetstate:
   yyssp++;
 
  yysetstate:


@@ -1082,46 +1672,47 @@ YYLTYPE yylloc;
 
 #ifdef yyoverflow
       {
 
 #ifdef yyoverflow
       {

-       /* Give user a chance to reallocate the stack. Use copies of
+       /* Give user a chance to reallocate the stack.  Use copies of

           these so that the &'s don't force the real ones into
           memory.  */
        YYSTYPE *yyvs1 = yyvs;
           these so that the &'s don't force the real ones into
           memory.  */
        YYSTYPE *yyvs1 = yyvs;

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

        YYLTYPE *yyls1 = yyls;
 
        /* Each stack pointer address is followed by the size of the
           data in use in that stack, in bytes.  This used to be a
           conditional around just the two extra args, but that might
           be undefined if yyoverflow is a macro.  */
        YYLTYPE *yyls1 = yyls;
 
        /* Each stack pointer address is followed by the size of the
           data in use in that stack, in bytes.  This used to be a
           conditional around just the two extra args, but that might
           be undefined if yyoverflow is a macro.  */

-       yyoverflow ("parser stack overflow",
+       yyoverflow (YY_("memory exhausted"),

                    &yyss1, yysize * sizeof (*yyssp),
                    &yyvs1, yysize * sizeof (*yyvsp),
                    &yyls1, yysize * sizeof (*yylsp),
                    &yystacksize);
                    &yyss1, yysize * sizeof (*yyssp),
                    &yyvs1, yysize * sizeof (*yyvsp),
                    &yyls1, yysize * sizeof (*yylsp),
                    &yystacksize);

+

        yyls = yyls1;
        yyss = yyss1;
        yyvs = yyvs1;
       }
 #else /* no yyoverflow */
 # ifndef YYSTACK_RELOCATE
        yyls = yyls1;
        yyss = yyss1;
        yyvs = yyvs1;
       }
 #else /* no yyoverflow */
 # ifndef YYSTACK_RELOCATE

-      goto yyoverflowlab;
+      goto yyexhaustedlab;

 # else
       /* Extend the stack our own way.  */
       if (YYMAXDEPTH <= yystacksize)
 # else
       /* Extend the stack our own way.  */
       if (YYMAXDEPTH <= yystacksize)

-       goto yyoverflowlab;
+       goto yyexhaustedlab;

       yystacksize *= 2;
       if (YYMAXDEPTH < yystacksize)
        yystacksize = YYMAXDEPTH;
 
       {
       yystacksize *= 2;
       if (YYMAXDEPTH < yystacksize)
        yystacksize = YYMAXDEPTH;
 
       {

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

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

-         goto yyoverflowlab;
-       YYSTACK_RELOCATE (yyss);
-       YYSTACK_RELOCATE (yyvs);
-       YYSTACK_RELOCATE (yyls);
+         goto yyexhaustedlab;
+       YYSTACK_RELOCATE (yyss_alloc, yyss);
+       YYSTACK_RELOCATE (yyvs_alloc, yyvs);
+       YYSTACK_RELOCATE (yyls_alloc, yyls);

 #  undef YYSTACK_RELOCATE
        if (yyss1 != yyssa)
          YYSTACK_FREE (yyss1);
 #  undef YYSTACK_RELOCATE
        if (yyss1 != yyssa)
          YYSTACK_FREE (yyss1);


@@ -1142,6 +1733,9 @@ YYLTYPE yylloc;
 
   YYDPRINTF ((stderr, "Entering state %d\n", yystate));
 
 
   YYDPRINTF ((stderr, "Entering state %d\n", yystate));
 

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

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


@@ -1149,12 +1743,10 @@ YYLTYPE yylloc;
 `-----------*/
 yybackup:
 
 `-----------*/
 yybackup:
 

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

 
   /* First try to decide what to do without reference to lookahead 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;


@@ -1176,7 +1768,7 @@ yybackup:
   else
     {
       yytoken = YYTRANSLATE (yychar);
   else
     {
       yytoken = YYTRANSLATE (yychar);

-      YYDSYMPRINTF ("Next token is", yytoken, &yylval, &yylloc);
+      YY_SYMBOL_PRINT ("Next token is", yytoken, &yylval, &yylloc);

     }
 
   /* If the proper action on seeing token YYTOKEN is to reduce or to
     }
 
   /* If the proper action on seeing token YYTOKEN is to reduce or to


@@ -1193,25 +1785,20 @@ yybackup:
       goto yyreduce;
     }
 
       goto yyreduce;
     }
 

-  if (yyn == YYFINAL)
-    YYACCEPT;
-
-  /* Shift the lookahead token.  */
-  YYDPRINTF ((stderr, "Shifting token %s, ", yytname[yytoken]));
-
-  /* Discard the token being shifted unless it is eof.  */
-  if (yychar != YYEOF)
-    yychar = YYEMPTY;
-
-  *++yyvsp = yylval;
-  *++yylsp = yylloc;
-

   /* 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 lookahead token.  */
+  YY_SYMBOL_PRINT ("Shifting", yytoken, &yylval, &yylloc);
+
+  /* Discard the shifted token.  */
+  yychar = YYEMPTY;
+

   yystate = yyn;
   yystate = yyn;

+  *++yyvsp = yylval;
+  *++yylsp = yylloc;

   goto yynewstate;
 
 
   goto yynewstate;
 
 


@@ -1242,380 +1829,815 @@ yyreduce:
      GCC warning that YYVAL may be used uninitialized.  */
   yyval = yyvsp[1-yylen];
 
      GCC warning that YYVAL may be used uninitialized.  */
   yyval = yyvsp[1-yylen];
 

-  /* Default location. */
+  /* Default location.  */

   YYLLOC_DEFAULT (yyloc, (yylsp - yylen), yylen);
   YY_REDUCE_PRINT (yyn);
   switch (yyn)
     {
         case 6:
   YYLLOC_DEFAULT (yyloc, (yylsp - yylen), yylen);
   YY_REDUCE_PRINT (yyn);
   switch (yyn)
     {
         case 6:

-#line 175 "parse-gram.y"
-    { prologue_augment (yyvsp[0].chars, yylsp[0]); }
+/* Line 1380 of yacc.c  */
+#line 217 "parse-gram.y"
+    {
+      code_props plain_code;
+      code_props_plain_init (&plain_code, (yyvsp[0].chars), (yylsp[0]));
+      code_props_translate_code (&plain_code);
+      gram_scanner_last_string_free ();
+      muscle_code_grow (union_seen ? "post_prologue" : "pre_prologue",
+                        plain_code.code, (yylsp[0]));
+      code_scanner_last_string_free ();
+    }
+/* Line 1380 of yacc.c  */
+#line 1851 "src/parse-gram.c"

     break;
 
   case 7:
     break;
 
   case 7:

-#line 176 "parse-gram.y"
-    { debug_flag = 1; }
+/* Line 1380 of yacc.c  */
+#line 227 "parse-gram.y"
+    {
+      muscle_percent_define_ensure ((yyvsp[0].uniqstr), (yylsp[0]), true);
+    }
+/* Line 1380 of yacc.c  */
+#line 1861 "src/parse-gram.c"

     break;
 
   case 8:
     break;
 
   case 8:

-#line 177 "parse-gram.y"
-    { muscle_insert (yyvsp[-1].chars, yyvsp[0].chars); }
+/* Line 1380 of yacc.c  */
+#line 231 "parse-gram.y"
+    {
+      muscle_percent_define_insert ((yyvsp[-1].uniqstr), (yylsp[-1]), (yyvsp[0].chars));
+    }
+/* Line 1380 of yacc.c  */
+#line 1871 "src/parse-gram.c"

     break;
 
   case 9:
     break;
 
   case 9:

-#line 178 "parse-gram.y"
-    { defines_flag = 1; }
+/* Line 1380 of yacc.c  */
+#line 234 "parse-gram.y"
+    { defines_flag = true; }
+/* Line 1380 of yacc.c  */
+#line 1879 "src/parse-gram.c"

     break;
 
   case 10:
     break;
 
   case 10:

-#line 179 "parse-gram.y"
-    { error_verbose = 1; }
+/* Line 1380 of yacc.c  */
+#line 236 "parse-gram.y"
+    {
+      defines_flag = true;
+      spec_defines_file = xstrdup ((yyvsp[0].chars));
+    }
+/* Line 1380 of yacc.c  */
+#line 1890 "src/parse-gram.c"

     break;
 
   case 11:
     break;
 
   case 11:

-#line 180 "parse-gram.y"
-    { expected_conflicts = yyvsp[0].integer; }
+/* Line 1380 of yacc.c  */
+#line 240 "parse-gram.y"
+    { expected_sr_conflicts = (yyvsp[0].integer); }
+/* Line 1380 of yacc.c  */
+#line 1898 "src/parse-gram.c"

     break;
 
   case 12:
     break;
 
   case 12:

-#line 181 "parse-gram.y"
-    { spec_file_prefix = yyvsp[0].chars; }
+/* Line 1380 of yacc.c  */
+#line 241 "parse-gram.y"
+    { expected_rr_conflicts = (yyvsp[0].integer); }
+/* Line 1380 of yacc.c  */
+#line 1906 "src/parse-gram.c"

     break;
 
   case 13:
     break;
 
   case 13:

-#line 182 "parse-gram.y"
-    { glr_parser = 1; }
+/* Line 1380 of yacc.c  */
+#line 242 "parse-gram.y"
+    { spec_file_prefix = (yyvsp[0].chars); }
+/* Line 1380 of yacc.c  */
+#line 1914 "src/parse-gram.c"

     break;
 
   case 14:
     break;
 
   case 14:

-#line 183 "parse-gram.y"
-    { add_param ("lex_param", yyvsp[0].chars, yylsp[0]); }
+/* Line 1380 of yacc.c  */
+#line 243 "parse-gram.y"
+    { spec_file_prefix = (yyvsp[0].chars); }
+/* Line 1380 of yacc.c  */
+#line 1922 "src/parse-gram.c"

     break;
 
   case 15:
     break;
 
   case 15:

-#line 184 "parse-gram.y"
-    { locations_flag = 1; }
+/* Line 1380 of yacc.c  */
+#line 245 "parse-gram.y"
+    {
+      nondeterministic_parser = true;
+      glr_parser = true;
+    }
+/* Line 1380 of yacc.c  */
+#line 1933 "src/parse-gram.c"

     break;
 
   case 16:
     break;
 
   case 16:

-#line 185 "parse-gram.y"
-    { spec_name_prefix = yyvsp[0].chars; }
+/* Line 1380 of yacc.c  */
+#line 250 "parse-gram.y"
+    {
+      code_props action;
+      code_props_symbol_action_init (&action, (yyvsp[0].code), (yylsp[0]));
+      code_props_translate_code (&action);
+      gram_scanner_last_string_free ();
+      muscle_code_grow ("initial_action", action.code, (yylsp[0]));
+      code_scanner_last_string_free ();
+    }
+/* Line 1380 of yacc.c  */
+#line 1948 "src/parse-gram.c"

     break;
 
   case 17:
     break;
 
   case 17:

-#line 186 "parse-gram.y"
-    { no_lines_flag = 1; }
+/* Line 1380 of yacc.c  */
+#line 258 "parse-gram.y"
+    { language_argmatch ((yyvsp[0].chars), grammar_prio, (yylsp[-1])); }
+/* Line 1380 of yacc.c  */
+#line 1956 "src/parse-gram.c"

     break;
 
   case 18:
     break;
 
   case 18:

-#line 187 "parse-gram.y"
-    { spec_outfile = yyvsp[0].chars; }
+/* Line 1380 of yacc.c  */
+#line 259 "parse-gram.y"
+    { add_param ("lex_param", (yyvsp[0].code), (yylsp[0])); }
+/* Line 1380 of yacc.c  */
+#line 1964 "src/parse-gram.c"

     break;
 
   case 19:
     break;
 
   case 19:

-#line 188 "parse-gram.y"
-    { add_param ("parse_param", yyvsp[0].chars, yylsp[0]); }
+/* Line 1380 of yacc.c  */
+#line 260 "parse-gram.y"
+    { spec_name_prefix = (yyvsp[0].chars); }
+/* Line 1380 of yacc.c  */
+#line 1972 "src/parse-gram.c"

     break;
 
   case 20:
     break;
 
   case 20:

-#line 189 "parse-gram.y"
-    { pure_parser = 1; }
+/* Line 1380 of yacc.c  */
+#line 261 "parse-gram.y"
+    { spec_name_prefix = (yyvsp[0].chars); }
+/* Line 1380 of yacc.c  */
+#line 1980 "src/parse-gram.c"

     break;
 
   case 21:
     break;
 
   case 21:

-#line 190 "parse-gram.y"
-    { skeleton = yyvsp[0].chars; }
+/* Line 1380 of yacc.c  */
+#line 262 "parse-gram.y"
+    { no_lines_flag = true; }
+/* Line 1380 of yacc.c  */
+#line 1988 "src/parse-gram.c"

     break;
 
   case 22:
     break;
 
   case 22:

-#line 191 "parse-gram.y"
-    { token_table_flag = 1; }
+/* Line 1380 of yacc.c  */
+#line 263 "parse-gram.y"
+    { nondeterministic_parser = true; }
+/* Line 1380 of yacc.c  */
+#line 1996 "src/parse-gram.c"

     break;
 
   case 23:
     break;
 
   case 23:

-#line 192 "parse-gram.y"
-    { report_flag = 1; }
+/* Line 1380 of yacc.c  */
+#line 264 "parse-gram.y"
+    { spec_outfile = (yyvsp[0].chars); }
+/* Line 1380 of yacc.c  */
+#line 2004 "src/parse-gram.c"

     break;
 
   case 24:
     break;
 
   case 24:

-#line 193 "parse-gram.y"
-    { yacc_flag = 1; }
+/* Line 1380 of yacc.c  */
+#line 265 "parse-gram.y"
+    { spec_outfile = (yyvsp[0].chars); }
+/* Line 1380 of yacc.c  */
+#line 2012 "src/parse-gram.c"

     break;
 
     break;
 

-  case 28:
-#line 201 "parse-gram.y"
-    {
-      grammar_start_symbol_set (yyvsp[0].symbol, yylsp[0]);
-    }
+  case 25:
+/* Line 1380 of yacc.c  */
+#line 266 "parse-gram.y"
+    { add_param ("parse_param", (yyvsp[0].code), (yylsp[0])); }
+/* Line 1380 of yacc.c  */
+#line 2020 "src/parse-gram.c"

     break;
 
     break;
 

-  case 29:
-#line 205 "parse-gram.y"
-    {
-      typed = 1;
-      MUSCLE_INSERT_INT ("stype_line", yylsp[0].start.line);
-      muscle_insert ("stype", yyvsp[0].chars);
-    }
+  case 26:
+/* Line 1380 of yacc.c  */
+#line 267 "parse-gram.y"
+    { version_check (&(yylsp[0]), (yyvsp[0].chars)); }
+/* Line 1380 of yacc.c  */
+#line 2028 "src/parse-gram.c"

     break;
 
     break;
 

-  case 30:
-#line 211 "parse-gram.y"
+  case 27:
+/* Line 1380 of yacc.c  */
+#line 269 "parse-gram.y"

     {
     {

-      symbol_list *list;
-      for (list = yyvsp[0].list; list; list = list->next)
-       symbol_destructor_set (list->sym, yyvsp[-1].chars, yylsp[-1]);
-      symbol_list_free (yyvsp[0].list);
+      char const *skeleton_user = (yyvsp[0].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, grammar_prio, (yylsp[-1]));

     }
     }

+/* Line 1380 of yacc.c  */
+#line 2058 "src/parse-gram.c"

     break;
 
     break;
 

-  case 31:
-#line 218 "parse-gram.y"
-    {
-      symbol_list *list;
-      for (list = yyvsp[0].list; list; list = list->next)
-       symbol_printer_set (list->sym, yyvsp[-1].chars, list->location);
-      symbol_list_free (yyvsp[0].list);
-    }
+  case 28:
+/* Line 1380 of yacc.c  */
+#line 292 "parse-gram.y"
+    { token_table_flag = true; }
+/* Line 1380 of yacc.c  */
+#line 2066 "src/parse-gram.c"

     break;
 
     break;
 

-  case 32:
-#line 227 "parse-gram.y"
-    { current_class = nterm_sym; }
+  case 29:
+/* Line 1380 of yacc.c  */
+#line 293 "parse-gram.y"
+    { report_flag |= report_states; }
+/* Line 1380 of yacc.c  */
+#line 2074 "src/parse-gram.c"

     break;
 
     break;
 

-  case 33:
-#line 228 "parse-gram.y"
-    {
-      current_class = unknown_sym;
-      current_type = NULL;
-    }
+  case 30:
+/* Line 1380 of yacc.c  */
+#line 294 "parse-gram.y"
+    { yacc_flag = true; }
+/* Line 1380 of yacc.c  */
+#line 2082 "src/parse-gram.c"

     break;
 
   case 34:
     break;
 
   case 34:

-#line 232 "parse-gram.y"
-    { current_class = token_sym; }
+/* Line 1380 of yacc.c  */
+#line 302 "parse-gram.y"
+    {
+      grammar_start_symbol_set ((yyvsp[0].symbol), (yylsp[0]));
+    }
+/* Line 1380 of yacc.c  */
+#line 2092 "src/parse-gram.c"

     break;
 
   case 35:
     break;
 
   case 35:

-#line 233 "parse-gram.y"
+/* Line 1380 of yacc.c  */
+#line 306 "parse-gram.y"

     {
     {

-      current_class = unknown_sym;
-      current_type = NULL;
+      symbol_list *list;
+      for (list = (yyvsp[0].list); list; list = list->next)
+       symbol_list_destructor_set (list, (yyvsp[-1].code), (yylsp[-1]));
+      symbol_list_free ((yyvsp[0].list));

     }
     }

+/* Line 1380 of yacc.c  */
+#line 2105 "src/parse-gram.c"

     break;
 
   case 36:
     break;
 
   case 36:

-#line 238 "parse-gram.y"
+/* Line 1380 of yacc.c  */
+#line 313 "parse-gram.y"

     {
       symbol_list *list;
     {
       symbol_list *list;

-      for (list = yyvsp[0].list; list; list = list->next)
-       symbol_type_set (list->sym, yyvsp[-1].uniqstr, yylsp[-1]);
-      symbol_list_free (yyvsp[0].list);
+      for (list = (yyvsp[0].list); list; list = list->next)
+       symbol_list_printer_set (list, (yyvsp[-1].code), (yylsp[-1]));
+      symbol_list_free ((yyvsp[0].list));

     }
     }

+/* Line 1380 of yacc.c  */
+#line 2118 "src/parse-gram.c"

     break;
 
   case 37:
     break;
 
   case 37:

-#line 248 "parse-gram.y"
+/* Line 1380 of yacc.c  */
+#line 320 "parse-gram.y"

     {
     {

-      symbol_list *list;
-      ++current_prec;
-      for (list = yyvsp[0].list; list; list = list->next)
-       {
-         symbol_type_set (list->sym, current_type, yylsp[-1]);
-         symbol_precedence_set (list->sym, current_prec, yyvsp[-2].assoc, yylsp[-2]);
-       }
-      symbol_list_free (yyvsp[0].list);
-      current_type = NULL;
+      default_prec = true;

     }
     }

+/* Line 1380 of yacc.c  */
+#line 2128 "src/parse-gram.c"

     break;
 
   case 38:
     break;
 
   case 38:

-#line 262 "parse-gram.y"
-    { yyval.assoc = left_assoc; }
+/* Line 1380 of yacc.c  */
+#line 324 "parse-gram.y"
+    {
+      default_prec = false;
+    }
+/* Line 1380 of yacc.c  */
+#line 2138 "src/parse-gram.c"

     break;
 
   case 39:
     break;
 
   case 39:

-#line 263 "parse-gram.y"
-    { yyval.assoc = right_assoc; }
+/* Line 1380 of yacc.c  */
+#line 328 "parse-gram.y"
+    {
+      /* Do not invoke muscle_percent_code_grow here since it invokes
+         muscle_user_name_list_grow.  */
+      muscle_code_grow ("percent_code()", (yyvsp[0].chars), (yylsp[0]));
+      code_scanner_last_string_free ();
+    }
+/* Line 1380 of yacc.c  */
+#line 2151 "src/parse-gram.c"

     break;
 
   case 40:
     break;
 
   case 40:

-#line 264 "parse-gram.y"
-    { yyval.assoc = non_assoc; }
+/* Line 1380 of yacc.c  */
+#line 335 "parse-gram.y"
+    {
+      muscle_percent_code_grow ((yyvsp[-1].uniqstr), (yylsp[-1]), (yyvsp[0].chars), (yylsp[0]));
+      code_scanner_last_string_free ();
+    }
+/* Line 1380 of yacc.c  */
+#line 2162 "src/parse-gram.c"

     break;
 
   case 41:
     break;
 
   case 41:

-#line 268 "parse-gram.y"
-    { current_type = NULL; }
+/* Line 1380 of yacc.c  */
+#line 349 "parse-gram.y"
+    {}
+/* Line 1380 of yacc.c  */
+#line 2170 "src/parse-gram.c"

     break;
 
   case 42:
     break;
 
   case 42:

-#line 269 "parse-gram.y"
-    { current_type = yyvsp[0].uniqstr; }
+/* Line 1380 of yacc.c  */
+#line 350 "parse-gram.y"
+    { muscle_code_grow ("union_name", (yyvsp[0].uniqstr), (yylsp[0])); }
+/* Line 1380 of yacc.c  */
+#line 2178 "src/parse-gram.c"

     break;
 
   case 43:
     break;
 
   case 43:

-#line 275 "parse-gram.y"
-    { yyval.list = symbol_list_new (yyvsp[0].symbol, yylsp[0]); }
+/* Line 1380 of yacc.c  */
+#line 355 "parse-gram.y"
+    {
+      union_seen = true;
+      muscle_code_grow ("stype", (yyvsp[0].chars), (yylsp[0]));
+      code_scanner_last_string_free ();
+    }
+/* Line 1380 of yacc.c  */
+#line 2190 "src/parse-gram.c"

     break;
 
   case 44:
     break;
 
   case 44:

-#line 276 "parse-gram.y"
-    { yyval.list = symbol_list_prepend (yyvsp[-1].list, yyvsp[0].symbol, yylsp[0]); }
+/* Line 1380 of yacc.c  */
+#line 366 "parse-gram.y"
+    { current_class = nterm_sym; }
+/* Line 1380 of yacc.c  */
+#line 2198 "src/parse-gram.c"

     break;
 
   case 45:
     break;
 
   case 45:

-#line 282 "parse-gram.y"
+/* Line 1380 of yacc.c  */
+#line 367 "parse-gram.y"

     {
     {

-       current_type = yyvsp[0].uniqstr;
-     }
+      current_class = unknown_sym;
+      current_type = NULL;
+    }
+/* Line 1380 of yacc.c  */
+#line 2209 "src/parse-gram.c"

     break;
 
   case 46:
     break;
 
   case 46:

-#line 286 "parse-gram.y"
-    {
-       symbol_class_set (yyvsp[0].symbol, current_class, yylsp[0]);
-       symbol_type_set (yyvsp[0].symbol, current_type, yylsp[0]);
-     }
+/* Line 1380 of yacc.c  */
+#line 371 "parse-gram.y"
+    { current_class = token_sym; }
+/* Line 1380 of yacc.c  */
+#line 2217 "src/parse-gram.c"

     break;
 
   case 47:
     break;
 
   case 47:

-#line 291 "parse-gram.y"
+/* Line 1380 of yacc.c  */
+#line 372 "parse-gram.y"

     {
     {

-      symbol_class_set (yyvsp[-1].symbol, current_class, yylsp[-1]);
-      symbol_type_set (yyvsp[-1].symbol, current_type, yylsp[-1]);
-      symbol_user_token_number_set (yyvsp[-1].symbol, yyvsp[0].integer, yylsp[0]);
+      current_class = unknown_sym;
+      current_type = NULL;

     }
     }

+/* Line 1380 of yacc.c  */
+#line 2228 "src/parse-gram.c"

     break;
 
   case 48:
     break;
 
   case 48:

-#line 297 "parse-gram.y"
+/* Line 1380 of yacc.c  */
+#line 377 "parse-gram.y"

     {
     {

-      symbol_class_set (yyvsp[-1].symbol, current_class, yylsp[-1]);
-      symbol_type_set (yyvsp[-1].symbol, current_type, yylsp[-1]);
-      symbol_make_alias (yyvsp[-1].symbol, yyvsp[0].symbol, yyloc);
+      symbol_list *list;
+      tag_seen = true;
+      for (list = (yyvsp[0].list); list; list = list->next)
+       symbol_type_set (list->content.sym, (yyvsp[-1].uniqstr), (yylsp[-1]));
+      symbol_list_free ((yyvsp[0].list));

     }
     }

+/* Line 1380 of yacc.c  */
+#line 2242 "src/parse-gram.c"

     break;
 
   case 49:
     break;
 
   case 49:

-#line 303 "parse-gram.y"
+/* Line 1380 of yacc.c  */
+#line 388 "parse-gram.y"

     {
     {

-      symbol_class_set (yyvsp[-2].symbol, current_class, yylsp[-2]);
-      symbol_type_set (yyvsp[-2].symbol, current_type, yylsp[-2]);
-      symbol_user_token_number_set (yyvsp[-2].symbol, yyvsp[-1].integer, yylsp[-1]);
-      symbol_make_alias (yyvsp[-2].symbol, yyvsp[0].symbol, yyloc);
+      symbol_list *list;
+      ++current_prec;
+      for (list = (yyvsp[0].list); list; list = list->next)
+       {
+         symbol_type_set (list->content.sym, current_type, (yylsp[-1]));
+         symbol_precedence_set (list->content.sym, current_prec, (yyvsp[-2].assoc), (yylsp[-2]));
+       }
+      symbol_list_free ((yyvsp[0].list));
+      current_type = NULL;

     }
     }

+/* Line 1380 of yacc.c  */
+#line 2260 "src/parse-gram.c"
+    break;
+
+  case 50:
+/* Line 1380 of yacc.c  */
+#line 402 "parse-gram.y"
+    { (yyval.assoc) = left_assoc; }
+/* Line 1380 of yacc.c  */
+#line 2268 "src/parse-gram.c"
+    break;
+
+  case 51:
+/* Line 1380 of yacc.c  */
+#line 403 "parse-gram.y"
+    { (yyval.assoc) = right_assoc; }
+/* Line 1380 of yacc.c  */
+#line 2276 "src/parse-gram.c"
+    break;
+
+  case 52:
+/* Line 1380 of yacc.c  */
+#line 404 "parse-gram.y"
+    { (yyval.assoc) = non_assoc; }
+/* Line 1380 of yacc.c  */
+#line 2284 "src/parse-gram.c"
+    break;
+
+  case 53:
+/* Line 1380 of yacc.c  */
+#line 405 "parse-gram.y"
+    { (yyval.assoc) = precedence_assoc; }
+/* Line 1380 of yacc.c  */
+#line 2292 "src/parse-gram.c"
+    break;
+
+  case 54:
+/* Line 1380 of yacc.c  */
+#line 409 "parse-gram.y"
+    { current_type = NULL; }
+/* Line 1380 of yacc.c  */
+#line 2300 "src/parse-gram.c"

     break;
 
   case 55:
     break;
 
   case 55:

-#line 332 "parse-gram.y"
-    {
-      if (yacc_flag)
-       complain_at (yyloc, _("POSIX forbids declarations in the grammar"));
-    }
+/* Line 1380 of yacc.c  */
+#line 410 "parse-gram.y"
+    { current_type = (yyvsp[0].uniqstr); tag_seen = true; }
+/* Line 1380 of yacc.c  */
+#line 2308 "src/parse-gram.c"

     break;
 
   case 56:
     break;
 
   case 56:

-#line 337 "parse-gram.y"
-    {
-      yyerrok;
-    }
+/* Line 1380 of yacc.c  */
+#line 416 "parse-gram.y"
+    { (yyval.list) = symbol_list_sym_new ((yyvsp[0].symbol), (yylsp[0])); }
+/* Line 1380 of yacc.c  */
+#line 2316 "src/parse-gram.c"
+    break;
+
+  case 57:
+/* Line 1380 of yacc.c  */
+#line 418 "parse-gram.y"
+    { (yyval.list) = symbol_list_prepend ((yyvsp[-1].list), symbol_list_sym_new ((yyvsp[0].symbol), (yylsp[0]))); }
+/* Line 1380 of yacc.c  */
+#line 2324 "src/parse-gram.c"

     break;
 
   case 58:
     break;
 
   case 58:

-#line 344 "parse-gram.y"
-    { current_lhs = yyvsp[0].symbol; current_lhs_location = yylsp[0]; }
+/* Line 1380 of yacc.c  */
+#line 422 "parse-gram.y"
+    { (yyval.symbol) = (yyvsp[0].symbol); }
+/* Line 1380 of yacc.c  */
+#line 2332 "src/parse-gram.c"
+    break;
+
+  case 59:
+/* Line 1380 of yacc.c  */
+#line 423 "parse-gram.y"
+    { (yyval.symbol) = (yyvsp[-1].symbol); symbol_user_token_number_set ((yyvsp[-1].symbol), (yyvsp[0].integer), (yylsp[0])); }
+/* Line 1380 of yacc.c  */
+#line 2340 "src/parse-gram.c"

     break;
 
   case 60:
     break;
 
   case 60:

-#line 348 "parse-gram.y"
-    { grammar_rule_end (yylsp[0]); }
+/* Line 1380 of yacc.c  */
+#line 429 "parse-gram.y"
+    { (yyval.list) = symbol_list_sym_new ((yyvsp[0].symbol), (yylsp[0])); }
+/* Line 1380 of yacc.c  */
+#line 2348 "src/parse-gram.c"

     break;
 
   case 61:
     break;
 
   case 61:

-#line 349 "parse-gram.y"
-    { grammar_rule_end (yylsp[0]); }
+/* Line 1380 of yacc.c  */
+#line 431 "parse-gram.y"
+    { (yyval.list) = symbol_list_prepend ((yyvsp[-1].list), symbol_list_sym_new ((yyvsp[0].symbol), (yylsp[0]))); }
+/* Line 1380 of yacc.c  */
+#line 2356 "src/parse-gram.c"

     break;
 
   case 62:
     break;
 
   case 62:

-#line 354 "parse-gram.y"
-    { grammar_rule_begin (current_lhs, current_lhs_location); }
+/* Line 1380 of yacc.c  */
+#line 435 "parse-gram.y"
+    { (yyval.list) = (yyvsp[0].list); }
+/* Line 1380 of yacc.c  */
+#line 2364 "src/parse-gram.c"

     break;
 
   case 63:
     break;
 
   case 63:

-#line 356 "parse-gram.y"
-    { grammar_current_rule_symbol_append (yyvsp[0].symbol, yylsp[0]); }
+/* Line 1380 of yacc.c  */
+#line 436 "parse-gram.y"
+    { (yyval.list) = symbol_list_prepend ((yyvsp[-1].list), (yyvsp[0].list)); }
+/* Line 1380 of yacc.c  */
+#line 2372 "src/parse-gram.c"

     break;
 
   case 64:
     break;
 
   case 64:

-#line 358 "parse-gram.y"
-    { grammar_current_rule_action_append (yyvsp[0].chars, yylsp[0]); }
+/* Line 1380 of yacc.c  */
+#line 440 "parse-gram.y"
+    { (yyval.list) = symbol_list_sym_new ((yyvsp[0].symbol), (yylsp[0])); }
+/* Line 1380 of yacc.c  */
+#line 2380 "src/parse-gram.c"

     break;
 
   case 65:
     break;
 
   case 65:

-#line 360 "parse-gram.y"
-    { grammar_current_rule_prec_set (yyvsp[0].symbol, yylsp[0]); }
+/* Line 1380 of yacc.c  */
+#line 441 "parse-gram.y"
+    { (yyval.list) = symbol_list_type_new ((yyvsp[0].uniqstr), (yylsp[0])); }
+/* Line 1380 of yacc.c  */
+#line 2388 "src/parse-gram.c"

     break;
 
   case 66:
     break;
 
   case 66:

-#line 362 "parse-gram.y"
-    { grammar_current_rule_dprec_set (yyvsp[0].integer, yylsp[0]); }
+/* Line 1380 of yacc.c  */
+#line 442 "parse-gram.y"
+    { (yyval.list) = symbol_list_default_tagged_new ((yylsp[0])); }
+/* Line 1380 of yacc.c  */
+#line 2396 "src/parse-gram.c"

     break;
 
   case 67:
     break;
 
   case 67:

-#line 364 "parse-gram.y"
-    { grammar_current_rule_merge_set (yyvsp[0].uniqstr, yylsp[0]); }
+/* Line 1380 of yacc.c  */
+#line 443 "parse-gram.y"
+    { (yyval.list) = symbol_list_default_tagless_new ((yylsp[0])); }
+/* Line 1380 of yacc.c  */
+#line 2404 "src/parse-gram.c"

     break;
 
   case 68:
     break;
 
   case 68:

-#line 368 "parse-gram.y"
-    { yyval.symbol = yyvsp[0].symbol; }
+/* Line 1380 of yacc.c  */
+#line 449 "parse-gram.y"
+    {
+       current_type = (yyvsp[0].uniqstr);
+       tag_seen = true;
+     }
+/* Line 1380 of yacc.c  */
+#line 2415 "src/parse-gram.c"

     break;
 
   case 69:
     break;
 
   case 69:

-#line 369 "parse-gram.y"
-    { yyval.symbol = yyvsp[0].symbol; }
+/* Line 1380 of yacc.c  */
+#line 454 "parse-gram.y"
+    {
+       symbol_class_set ((yyvsp[0].symbol), current_class, (yylsp[0]), true);
+       symbol_type_set ((yyvsp[0].symbol), current_type, (yylsp[0]));
+     }
+/* Line 1380 of yacc.c  */
+#line 2426 "src/parse-gram.c"

     break;
 
   case 70:
     break;
 
   case 70:

-#line 374 "parse-gram.y"
-    { yyval.chars = yyvsp[0].chars; }
+/* Line 1380 of yacc.c  */
+#line 459 "parse-gram.y"
+    {
+      symbol_class_set ((yyvsp[-1].symbol), current_class, (yylsp[-1]), true);
+      symbol_type_set ((yyvsp[-1].symbol), current_type, (yylsp[-1]));
+      symbol_user_token_number_set ((yyvsp[-1].symbol), (yyvsp[0].integer), (yylsp[0]));
+    }
+/* Line 1380 of yacc.c  */
+#line 2438 "src/parse-gram.c"

     break;
 
   case 71:
     break;
 
   case 71:

-#line 380 "parse-gram.y"
+/* Line 1380 of yacc.c  */
+#line 465 "parse-gram.y"

     {
     {

-      yyval.symbol = symbol_get (yyvsp[0].chars, yylsp[0]);
-      symbol_class_set (yyval.symbol, token_sym, yylsp[0]);
+      symbol_class_set ((yyvsp[-1].symbol), current_class, (yylsp[-1]), true);
+      symbol_type_set ((yyvsp[-1].symbol), current_type, (yylsp[-1]));
+      symbol_make_alias ((yyvsp[-1].symbol), (yyvsp[0].symbol), (yyloc));

     }
     }

+/* Line 1380 of yacc.c  */
+#line 2450 "src/parse-gram.c"

     break;
 
   case 72:
     break;
 
   case 72:

-#line 389 "parse-gram.y"
+/* Line 1380 of yacc.c  */
+#line 471 "parse-gram.y"

     {
     {

-      yyval.chars = yyvsp[0].chars + 1;
-      yyval.chars[strlen (yyval.chars) - 1] = '\0';
+      symbol_class_set ((yyvsp[-2].symbol), current_class, (yylsp[-2]), true);
+      symbol_type_set ((yyvsp[-2].symbol), current_type, (yylsp[-2]));
+      symbol_user_token_number_set ((yyvsp[-2].symbol), (yyvsp[-1].integer), (yylsp[-1]));
+      symbol_make_alias ((yyvsp[-2].symbol), (yyvsp[0].symbol), (yyloc));

     }
     }

+/* Line 1380 of yacc.c  */
+#line 2463 "src/parse-gram.c"

     break;
 
     break;
 

-  case 74:
-#line 398 "parse-gram.y"
+  case 79:
+/* Line 1380 of yacc.c  */
+#line 501 "parse-gram.y"

     {
     {

-      epilogue_augment (yyvsp[0].chars, yylsp[0]);
-      scanner_last_string_free ();
+      yyerrok;

     }
     }

+/* Line 1380 of yacc.c  */
+#line 2473 "src/parse-gram.c"
+    break;
+
+  case 80:
+/* Line 1380 of yacc.c  */
+#line 507 "parse-gram.y"
+    { current_lhs = (yyvsp[0].symbol); current_lhs_location = (yylsp[0]); }
+/* Line 1380 of yacc.c  */
+#line 2481 "src/parse-gram.c"
+    break;
+
+  case 82:
+/* Line 1380 of yacc.c  */
+#line 511 "parse-gram.y"
+    { grammar_current_rule_end ((yylsp[0])); }
+/* Line 1380 of yacc.c  */
+#line 2489 "src/parse-gram.c"
+    break;
+
+  case 83:
+/* Line 1380 of yacc.c  */
+#line 512 "parse-gram.y"
+    { grammar_current_rule_end ((yylsp[0])); }
+/* Line 1380 of yacc.c  */
+#line 2497 "src/parse-gram.c"
+    break;
+
+  case 85:
+/* Line 1380 of yacc.c  */
+#line 518 "parse-gram.y"
+    { grammar_current_rule_begin (current_lhs, current_lhs_location); }
+/* Line 1380 of yacc.c  */
+#line 2505 "src/parse-gram.c"
+    break;
+
+  case 86:
+/* Line 1380 of yacc.c  */
+#line 520 "parse-gram.y"
+    { grammar_current_rule_symbol_append ((yyvsp[0].symbol), (yylsp[0])); }
+/* Line 1380 of yacc.c  */
+#line 2513 "src/parse-gram.c"
+    break;
+
+  case 87:
+/* Line 1380 of yacc.c  */
+#line 522 "parse-gram.y"
+    { grammar_current_rule_action_append ((yyvsp[0].code), (yylsp[0])); }
+/* Line 1380 of yacc.c  */
+#line 2521 "src/parse-gram.c"
+    break;
+
+  case 88:
+/* Line 1380 of yacc.c  */
+#line 524 "parse-gram.y"
+    { grammar_current_rule_prec_set ((yyvsp[0].symbol), (yylsp[0])); }
+/* Line 1380 of yacc.c  */
+#line 2529 "src/parse-gram.c"
+    break;
+
+  case 89:
+/* Line 1380 of yacc.c  */
+#line 526 "parse-gram.y"
+    { grammar_current_rule_dprec_set ((yyvsp[0].integer), (yylsp[0])); }
+/* Line 1380 of yacc.c  */
+#line 2537 "src/parse-gram.c"
+    break;
+
+  case 90:
+/* Line 1380 of yacc.c  */
+#line 528 "parse-gram.y"
+    { grammar_current_rule_merge_set ((yyvsp[0].uniqstr), (yylsp[0])); }
+/* Line 1380 of yacc.c  */
+#line 2545 "src/parse-gram.c"
+    break;
+
+  case 92:
+/* Line 1380 of yacc.c  */
+#line 538 "parse-gram.y"
+    { (yyval.uniqstr) = uniqstr_new ((yyvsp[0].chars)); }
+/* Line 1380 of yacc.c  */
+#line 2553 "src/parse-gram.c"

     break;
 
     break;
 

+  case 93:
+/* Line 1380 of yacc.c  */
+#line 543 "parse-gram.y"
+    { (yyval.chars) = ""; }
+/* Line 1380 of yacc.c  */
+#line 2561 "src/parse-gram.c"
+    break;

 
 

+  case 95:
+/* Line 1380 of yacc.c  */
+#line 554 "parse-gram.y"
+    {
+      code_props plain_code;
+      (yyvsp[0].code)[strlen ((yyvsp[0].code)) - 1] = '\n';
+      code_props_plain_init (&plain_code, (yyvsp[0].code)+1, (yylsp[0]));
+      code_props_translate_code (&plain_code);
+      gram_scanner_last_string_free ();
+      (yyval.chars) = plain_code.code;

     }
     }

+/* Line 1380 of yacc.c  */
+#line 2576 "src/parse-gram.c"
+    break;

 
 

-/* Line 991 of yacc.c.  */
-#line 1613 "parse-gram.c"
-\f
-  yyvsp -= yylen;
-  yyssp -= yylen;
-  yylsp -= yylen;
+  case 96:
+/* Line 1380 of yacc.c  */
+#line 574 "parse-gram.y"
+    { (yyval.symbol) = symbol_from_uniqstr ((yyvsp[0].uniqstr), (yylsp[0])); }
+/* Line 1380 of yacc.c  */
+#line 2584 "src/parse-gram.c"
+    break;
+
+  case 97:
+/* Line 1380 of yacc.c  */
+#line 576 "parse-gram.y"
+    {
+      (yyval.symbol) = symbol_get (char_name ((yyvsp[0].character)), (yylsp[0]));
+      symbol_class_set ((yyval.symbol), token_sym, (yylsp[0]), false);
+      symbol_user_token_number_set ((yyval.symbol), (yyvsp[0].character), (yylsp[0]));
+    }
+/* Line 1380 of yacc.c  */
+#line 2596 "src/parse-gram.c"
+    break;

 
 

+  case 98:
+/* Line 1380 of yacc.c  */
+#line 584 "parse-gram.y"
+    { (yyval.symbol) = symbol_from_uniqstr ((yyvsp[0].uniqstr), (yylsp[0])); }
+/* Line 1380 of yacc.c  */
+#line 2604 "src/parse-gram.c"
+    break;
+
+  case 101:
+/* Line 1380 of yacc.c  */
+#line 596 "parse-gram.y"
+    {
+      (yyval.symbol) = symbol_get (quotearg_style (c_quoting_style, (yyvsp[0].chars)), (yylsp[0]));
+      symbol_class_set ((yyval.symbol), token_sym, (yylsp[0]), false);
+    }
+/* Line 1380 of yacc.c  */
+#line 2615 "src/parse-gram.c"
+    break;
+
+  case 103:
+/* Line 1380 of yacc.c  */
+#line 605 "parse-gram.y"
+    {
+      code_props plain_code;
+      code_props_plain_init (&plain_code, (yyvsp[0].chars), (yylsp[0]));
+      code_props_translate_code (&plain_code);
+      gram_scanner_last_string_free ();
+      muscle_code_grow ("epilogue", plain_code.code, (yylsp[0]));
+      code_scanner_last_string_free ();
+    }
+/* Line 1380 of yacc.c  */
+#line 2630 "src/parse-gram.c"
+    break;
+
+
+/* Line 1380 of yacc.c  */
+#line 2635 "src/parse-gram.c"
+      default: break;
+    }
+  YY_SYMBOL_PRINT ("-> $$ =", yyr1[yyn], &yyval, &yyloc);
+
+  YYPOPSTACK (yylen);
+  yylen = 0;

   YY_STACK_PRINT (yyss, yyssp);
 
   *++yyvsp = yyval;
   YY_STACK_PRINT (yyss, yyssp);
 
   *++yyvsp = yyval;


@@ -1644,79 +2666,62 @@ yyerrlab:
   if (!yyerrstatus)
     {
       ++yynerrs;
   if (!yyerrstatus)
     {
       ++yynerrs;

-#if YYERROR_VERBOSE
-      yyn = yypact[yystate];
-
-      if (YYPACT_NINF < yyn && yyn < YYLAST)
-       {
-         YYSIZE_T yysize = 0;
-         int yytype = YYTRANSLATE (yychar);
-         char *yymsg;
-         int yyx, yycount;
-
-         yycount = 0;
-         /* Start YYX at -YYN if negative to avoid negative indexes in
-            YYCHECK.  */
-         for (yyx = yyn < 0 ? -yyn : 0;
-              yyx < (int) (sizeof (yytname) / sizeof (char *)); yyx++)
-           if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR)
-             yysize += yystrlen (yytname[yyx]) + 15, yycount++;
-         yysize += yystrlen ("syntax error, unexpected ") + 1;
-         yysize += yystrlen (yytname[yytype]);
-         yymsg = (char *) YYSTACK_ALLOC (yysize);
-         if (yymsg != 0)
-           {
-             char *yyp = yystpcpy (yymsg, "syntax error, unexpected ");
-             yyp = yystpcpy (yyp, yytname[yytype]);
-
-             if (yycount < 5)
-               {
-                 yycount = 0;
-                 for (yyx = yyn < 0 ? -yyn : 0;
-                      yyx < (int) (sizeof (yytname) / sizeof (char *));
-                      yyx++)
-                   if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR)
-                     {
-                       const char *yyq = ! yycount ? ", expecting " : " or ";
-                       yyp = yystpcpy (yyp, yyq);
-                       yyp = yystpcpy (yyp, yytname[yyx]);
-                       yycount++;
-                     }
-               }
-             yyerror (yymsg);
+#if ! YYERROR_VERBOSE
+      yyerror (YY_("syntax error"));
+#else
+      {
+       YYSIZE_T yysize = yysyntax_error (0, yystate, yytoken);
+       if (yymsg_alloc < yysize && yymsg_alloc < YYSTACK_ALLOC_MAXIMUM)
+         {
+           YYSIZE_T yyalloc = 2 * yysize;
+           if (! (yysize <= yyalloc && yyalloc <= YYSTACK_ALLOC_MAXIMUM))
+             yyalloc = YYSTACK_ALLOC_MAXIMUM;
+           if (yymsg != yymsgbuf)

              YYSTACK_FREE (yymsg);
              YYSTACK_FREE (yymsg);

-           }
-         else
-           yyerror ("syntax error; also virtual memory exhausted");
-       }
-      else
-#endif /* YYERROR_VERBOSE */
-       yyerror ("syntax error");
+           yymsg = (char *) YYSTACK_ALLOC (yyalloc);
+           if (yymsg)
+             yymsg_alloc = yyalloc;
+           else
+             {
+               yymsg = yymsgbuf;
+               yymsg_alloc = sizeof yymsgbuf;
+             }
+         }
+
+       if (0 < yysize && yysize <= yymsg_alloc)
+         {
+           (void) yysyntax_error (yymsg, yystate, yytoken);
+           yyerror (yymsg);
+         }
+       else
+         {
+           yyerror (YY_("syntax error"));
+           if (yysize != 0)
+             goto yyexhaustedlab;
+         }
+      }
+#endif

     }
 
     }
 

+  yyerror_range[0] = yylloc;
+

   if (yyerrstatus == 3)
     {
       /* If just tried and failed to reuse lookahead token after an
         error, discard it.  */
 
   if (yyerrstatus == 3)
     {
       /* If just tried and failed to reuse lookahead token after an
         error, discard it.  */
 

-      /* Return failure if at end of input.  */
-      if (yychar == YYEOF)
-        {
-         /* Pop the error token.  */
-          YYPOPSTACK;
-         /* Pop the rest of the stack.  */
-         while (yyss < yyssp)
-           {
-             YYDSYMPRINTF ("Error: popping", yystos[*yyssp], yyvsp, yylsp);
-             yydestruct (yystos[*yyssp], yyvsp, yylsp);
-             YYPOPSTACK;
-           }
-         YYABORT;
-        }
-
-      YYDSYMPRINTF ("Error: discarding", yytoken, &yylval, &yylloc);
-      yydestruct (yytoken, &yylval, &yylloc);
-      yychar = YYEMPTY;
+      if (yychar <= YYEOF)
+       {
+         /* Return failure if at end of input.  */
+         if (yychar == YYEOF)
+           YYABORT;
+       }
+      else
+       {
+         yydestruct ("Error: discarding",
+                     yytoken, &yylval, &yylloc);
+         yychar = YYEMPTY;
+       }

     }
 
   /* Else will try to reuse lookahead token after shifting the error
     }
 
   /* Else will try to reuse lookahead token after shifting the error


@@ -1724,9 +2729,30 @@ yyerrlab:
   goto yyerrlab1;
 
 
   goto yyerrlab1;
 
 

-/*----------------------------------------------------.
-| yyerrlab1 -- error raised explicitly by an action.  |
-`----------------------------------------------------*/
+/*---------------------------------------------------.
+| yyerrorlab -- error raised explicitly by YYERROR.  |
+`---------------------------------------------------*/
+yyerrorlab:
+
+  /* Pacify compilers like GCC when the user code never invokes
+     YYERROR and the label yyerrorlab therefore never appears in user
+     code.  */
+  if (/*CONSTCOND*/ 0)
+     goto yyerrorlab;
+
+  yyerror_range[0] = yylsp[1-yylen];
+  /* Do not reclaim the symbols of the rule which action triggered
+     this YYERROR.  */
+  YYPOPSTACK (yylen);
+  yylen = 0;
+  YY_STACK_PRINT (yyss, yyssp);
+  yystate = *yyssp;
+  goto yyerrlab1;
+
+
+/*-------------------------------------------------------------.
+| yyerrlab1 -- common code for both syntax error and YYERROR.  |
+`-------------------------------------------------------------*/

 yyerrlab1:
   yyerrstatus = 3;     /* Each real token shifted decrements this.  */
 
 yyerrlab1:
   yyerrstatus = 3;     /* Each real token shifted decrements this.  */
 


@@ -1748,21 +2774,24 @@ yyerrlab1:
       if (yyssp == yyss)
        YYABORT;
 
       if (yyssp == yyss)
        YYABORT;
 

-      YYDSYMPRINTF ("Error: popping", yystos[*yyssp], yyvsp, yylsp);
-      yydestruct (yystos[yystate], yyvsp, yylsp);
-      yyvsp--;
-      yystate = *--yyssp;
-      yylsp--;
+      yyerror_range[0] = *yylsp;
+      yydestruct ("Error: popping",
+                 yystos[yystate], yyvsp, yylsp);
+      YYPOPSTACK (1);
+      yystate = *yyssp;

       YY_STACK_PRINT (yyss, yyssp);
     }
 
       YY_STACK_PRINT (yyss, yyssp);
     }
 

-  if (yyn == YYFINAL)
-    YYACCEPT;
+  *++yyvsp = yylval;

 
 

-  YYDPRINTF ((stderr, "Shifting error token, "));
+  yyerror_range[1] = yylloc;
+  /* Using YYLLOC is tempting, but would change the location of
+     the lookahead.  YYLOC is available though.  */
+  YYLLOC_DEFAULT (yyloc, (yyerror_range - 1), 2);
+  *++yylsp = yyloc;

 
 

-  *++yyvsp = yylval;
-  *++yylsp = yylloc;
+  /* Shift the error token.  */
+  YY_SYMBOL_PRINT ("Shifting", yystos[yyn], yyvsp, yylsp);

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


@@ -1782,26 +2811,44 @@ yyabortlab:
   yyresult = 1;
   goto yyreturn;
 
   yyresult = 1;
   goto yyreturn;
 

-#ifndef yyoverflow
-/*----------------------------------------------.
-| yyoverflowlab -- parser overflow comes here.  |
-`----------------------------------------------*/
-yyoverflowlab:
-  yyerror ("parser stack overflow");
+#if !defined(yyoverflow) || YYERROR_VERBOSE
+/*-------------------------------------------------.
+| yyexhaustedlab -- memory exhaustion comes here.  |
+`-------------------------------------------------*/
+yyexhaustedlab:
+  yyerror (YY_("memory exhausted"));

   yyresult = 2;
   /* Fall through.  */
 #endif
 
 yyreturn:
   yyresult = 2;
   /* Fall through.  */
 #endif
 
 yyreturn:

+  if (yychar != YYEMPTY)
+     yydestruct ("Cleanup: discarding lookahead",
+                yytoken, &yylval, &yylloc);
+  /* Do not reclaim the symbols of the rule which action triggered
+     this YYABORT or YYACCEPT.  */
+  YYPOPSTACK (yylen);
+  YY_STACK_PRINT (yyss, yyssp);
+  while (yyssp != yyss)
+    {
+      yydestruct ("Cleanup: popping",
+                 yystos[*yyssp], yyvsp, yylsp);
+      YYPOPSTACK (1);
+    }

 #ifndef yyoverflow
   if (yyss != yyssa)
     YYSTACK_FREE (yyss);
 #endif
 #ifndef yyoverflow
   if (yyss != yyssa)
     YYSTACK_FREE (yyss);
 #endif

-  return yyresult;
+#if YYERROR_VERBOSE
+  if (yymsg != yymsgbuf)
+    YYSTACK_FREE (yymsg);
+#endif
+  /* Make sure YYID is used.  */
+  return YYID (yyresult);

 }
 
 }
 

-
-#line 404 "parse-gram.y"
+/* Line 1599 of yacc.c  */
+#line 615 "parse-gram.y"

 
 
 
 
 
 


@@ -1814,8 +2861,12 @@ static YYLTYPE
 lloc_default (YYLTYPE const *rhs, int n)
 {
   int i;
 lloc_default (YYLTYPE const *rhs, int n)
 {
   int i;

-  YYLTYPE r;
-  r.start = r.end = rhs[n].end;
+  YYLTYPE loc;
+
+  /* SGI MIPSpro 7.4.1m miscompiles "loc.start = loc.end = rhs[n].end;".
+     The bug is fixed in 7.4.2m, but play it safe for now.  */
+  loc.start = rhs[n].end;
+  loc.end = rhs[n].end;

 
   /* Ignore empty nonterminals the start of the the right-hand side.
      Do not bother to ignore them at the end of the right-hand side,
 
   /* Ignore empty nonterminals the start of the the right-hand side.
      Do not bother to ignore them at the end of the right-hand side,


@@ -1823,11 +2874,11 @@ lloc_default (YYLTYPE const *rhs, int n)
   for (i = 1; i <= n; i++)
     if (! equal_boundaries (rhs[i].start, rhs[i].end))
       {
   for (i = 1; i <= n; i++)
     if (! equal_boundaries (rhs[i].start, rhs[i].end))
       {

-       r.start = rhs[i].start;
+       loc.start = rhs[i].start;

        break;
       }
 
        break;
       }
 

-  return r;
+  return loc;

 }
 
 
 }
 
 


@@ -1837,22 +2888,28 @@ lloc_default (YYLTYPE const *rhs, int n)
 static void
 add_param (char const *type, char *decl, location loc)
 {
 static void
 add_param (char const *type, char *decl, location loc)
 {

-  static char const alphanum[] =
-    "0123456789"
+  static char const alphanum[26 + 26 + 1 + 10] =

     "abcdefghijklmnopqrstuvwxyz"
     "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
     "abcdefghijklmnopqrstuvwxyz"
     "ABCDEFGHIJKLMNOPQRSTUVWXYZ"

-    "_";
-  char const *alpha = alphanum + 10;
+    "_"
+    "0123456789";

   char const *name_start = NULL;
   char *p;
 
   char const *name_start = NULL;
   char *p;
 

-  for (p = decl; *p; p++)
-    if ((p == decl || ! strchr (alphanum, p[-1])) && strchr (alpha, p[0]))
+  /* Stop on last actual character.  */
+  for (p = decl; p[1]; p++)
+    if ((p == decl
+        || ! memchr (alphanum, p[-1], sizeof alphanum))
+       && memchr (alphanum, p[0], sizeof alphanum - 10))

       name_start = p;
 
       name_start = p;
 

-  /* Strip the surrounding '{' and '}'.  */
-  decl++;
-  p[-1] = '\0';
+  /* Strip the surrounding '{' and '}', and any blanks just inside
+     the braces.  */
+  while (*--p == ' ' || *p == '\t')
+    continue;
+  p[1] = '\0';
+  while (*++decl == ' ' || *decl == '\t')
+    continue;

 
   if (! name_start)
     complain_at (loc, _("missing identifier in parameter declaration"));
 
   if (! name_start)
     complain_at (loc, _("missing identifier in parameter declaration"));


@@ -1862,7 +2919,7 @@ add_param (char const *type, char *decl, location loc)
       size_t name_len;
 
       for (name_len = 1;
       size_t name_len;
 
       for (name_len = 1;

-          name_start[name_len] && strchr (alphanum, name_start[name_len]);
+          memchr (alphanum, name_start[name_len], sizeof alphanum);

           name_len++)
        continue;
 
           name_len++)
        continue;
 


@@ -1873,49 +2930,18 @@ add_param (char const *type, char *decl, location loc)
       free (name);
     }
 
       free (name);
     }
 

-  scanner_last_string_free ();
+  gram_scanner_last_string_free ();

 }
 
 }
 

-/*----------------------------------------------------.
-| When debugging the parser, display tokens' values.  |
-`----------------------------------------------------*/

 
 static void
 
 static void

-print_token_value (FILE *file, int type, YYSTYPE const *value)
+version_check (location const *loc, char const *version)

 {
 {

-  fputc (' ', file);
-  switch (type)
+  if (strverscmp (version, PACKAGE_VERSION) > 0)

     {
     {

-    case ID:
-      fprintf (file, " = %s", value->symbol->tag);
-      break;
-
-    case INT:
-      fprintf (file, " = %d", value->integer);
-      break;
-
-    case STRING:
-      fprintf (file, " = \"%s\"", value->chars);
-      break;
-
-    case TYPE:
-      fprintf (file, " = <%s>", value->uniqstr);
-      break;
-
-    case BRACED_CODE:
-    case PERCENT_DESTRUCTOR:
-    case PERCENT_LEX_PARAM:
-    case PERCENT_PARSE_PARAM:
-    case PERCENT_PRINTER:
-    case PERCENT_UNION:
-    case PROLOGUE:
-    case EPILOGUE:
-      fprintf (file, " = {{ %s }}", value->chars);
-      break;
-
-    default:
-      fprintf (file, "unknown token type");
-      break;
+      complain_at (*loc, "require bison %s, but have %s",
+                  version, PACKAGE_VERSION);
+      exit (63);

     }
 }
 
     }
 }
 


@@ -1928,6 +2954,18 @@ gram_error (location const *loc, char const *msg)
 char const *
 token_name (int type)
 {
 char const *
 token_name (int type)
 {

-  return yytname[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);
+    }
+}