Merge remote-tracking branch 'origin/maint'

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

diff --git a/src/parse-gram.c b/src/parse-gram.c
index d923bc4f446350c65545594ea1756207b15fdbce..0af5eb85e025f8c5108ebfd17c82fcd61df6a76a 100644 (file)
--- a/src/parse-gram.c
+++ b/src/parse-gram.c
@@ -1,12 +1,13 @@
-/* A Bison parser, made by GNU Bison 2.1a.  */
+/* A Bison parser, made by GNU Bison 2.5.1.815-22b0.  */

 
 

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

 
 

-   This program is free software; you can redistribute it and/or modify
+   Copyright (C) 1984, 1989-1990, 2000-2012 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


@@ -14,14 +15,20 @@
    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., 51 Franklin Street, Fifth Floor,
-   Boston, MA 02110-1301, USA.  */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */

 
 

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

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


@@ -37,7 +44,7 @@
 #define YYBISON 1
 
 /* Bison version.  */
 #define YYBISON 1
 
 /* Bison version.  */

-#define YYBISON_VERSION "2.1a"
+#define YYBISON_VERSION "2.5.1.815-22b0"

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


@@ -45,18 +52,126 @@
 /* Pure parsers.  */
 #define YYPURE 1
 
 /* Pure parsers.  */
 #define YYPURE 1
 

-/* Using locations.  */
-#define YYLSP_NEEDED 1
+/* Push parsers.  */
+#define YYPUSH 0
+
+/* Pull parsers.  */
+#define YYPULL 1

 
 /* Substitute the variable and function names.  */
 
 /* 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
+#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
+
+/* Copy the first part of user declarations.  */
+/* Line 328 of yacc.c  */
+#line 1 "src/parse-gram.y"
+/* Bison Grammar Parser                             -*- C -*-
+
+   Copyright (C) 2002-2012 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.
+
+   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 "conflicts.h"
+#include "files.h"
+#include "getargs.h"
+#include "gram.h"
+#include "muscle-tab.h"
+#include "named-ref.h"
+#include "quotearg.h"
+#include "reader.h"
+#include "symlist.h"
+#include "scan-gram.h"
+#include "scan-code.h"
+#include "xmemdup0.h"
+
+#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) \
+        gram_error (&yylloc, Msg)
+static void gram_error (location const *, char const *);
+
+static char const *char_name (char);
+
+/* Line 328 of yacc.c  */
+#line 129 "src/parse-gram.c"
+
+# ifndef YY_NULL
+#  if defined __cplusplus && 201103L <= __cplusplus
+#   define YY_NULL nullptr
+#  else
+#   define YY_NULL 0
+#  endif
+# endif
+
+/* Enabling verbose error messages.  */
+#ifdef YYERROR_VERBOSE
+# undef YYERROR_VERBOSE
+# define YYERROR_VERBOSE 1
+#else
+# define YYERROR_VERBOSE 1
+#endif
+
+/* In a future release of Bison, this section will be replaced
+   by #include "src/parse-gram.h".  */
+#ifndef GRAM_Y_TAB_H
+# define GRAM_Y_TAB_H
+/* Enabling traces.  */
+#ifndef YYDEBUG
+# define YYDEBUG 1
+#endif
+#if YYDEBUG
+extern int gram_debug;
+#endif
+/* "%code requires" blocks.  */
+/* Line 342 of yacc.c  */
+#line 221 "src/parse-gram.y"
+
+# ifndef PARAM_TYPE
+#  define PARAM_TYPE
+  typedef enum
+  {
+    param_none   = 0,
+    param_lex    = 1 << 0,
+    param_parse  = 1 << 1,
+    param_both   = param_lex | param_parse
+  } param_type;
+# endif
+
+
+/* Line 342 of yacc.c  */
+#line 175 "src/parse-gram.c"

 
 /* Tokens.  */
 #ifndef YYTOKENTYPE
 
 /* Tokens.  */
 #ifndef YYTOKENTYPE


@@ -72,48 +187,53 @@
      PERCENT_TYPE = 262,
      PERCENT_DESTRUCTOR = 263,
      PERCENT_PRINTER = 264,
      PERCENT_TYPE = 262,
      PERCENT_DESTRUCTOR = 263,
      PERCENT_PRINTER = 264,

-     PERCENT_UNION = 265,
-     PERCENT_LEFT = 266,
-     PERCENT_RIGHT = 267,
-     PERCENT_NONASSOC = 268,
+     PERCENT_LEFT = 265,
+     PERCENT_RIGHT = 266,
+     PERCENT_NONASSOC = 267,
+     PERCENT_PRECEDENCE = 268,

      PERCENT_PREC = 269,
      PERCENT_DPREC = 270,
      PERCENT_MERGE = 271,
      PERCENT_PREC = 269,
      PERCENT_DPREC = 270,
      PERCENT_MERGE = 271,

-     PERCENT_DEBUG = 272,
+     PERCENT_CODE = 272,

      PERCENT_DEFAULT_PREC = 273,
      PERCENT_DEFINE = 274,
      PERCENT_DEFINES = 275,
      PERCENT_ERROR_VERBOSE = 276,
      PERCENT_EXPECT = 277,
      PERCENT_EXPECT_RR = 278,
      PERCENT_DEFAULT_PREC = 273,
      PERCENT_DEFINE = 274,
      PERCENT_DEFINES = 275,
      PERCENT_ERROR_VERBOSE = 276,
      PERCENT_EXPECT = 277,
      PERCENT_EXPECT_RR = 278,

-     PERCENT_FILE_PREFIX = 279,
-     PERCENT_GLR_PARSER = 280,
-     PERCENT_INITIAL_ACTION = 281,
-     PERCENT_LEX_PARAM = 282,
-     PERCENT_LOCATIONS = 283,
+     PERCENT_FLAG = 279,
+     PERCENT_FILE_PREFIX = 280,
+     PERCENT_GLR_PARSER = 281,
+     PERCENT_INITIAL_ACTION = 282,
+     PERCENT_LANGUAGE = 283,

      PERCENT_NAME_PREFIX = 284,
      PERCENT_NO_DEFAULT_PREC = 285,
      PERCENT_NO_LINES = 286,
      PERCENT_NONDETERMINISTIC_PARSER = 287,
      PERCENT_OUTPUT = 288,
      PERCENT_NAME_PREFIX = 284,
      PERCENT_NO_DEFAULT_PREC = 285,
      PERCENT_NO_LINES = 286,
      PERCENT_NONDETERMINISTIC_PARSER = 287,
      PERCENT_OUTPUT = 288,

-     PERCENT_PARSE_PARAM = 289,
-     PERCENT_PURE_PARSER = 290,
-     PERCENT_REQUIRE = 291,
-     PERCENT_SKELETON = 292,
-     PERCENT_START = 293,
-     PERCENT_TOKEN_TABLE = 294,
-     PERCENT_VERBOSE = 295,
-     PERCENT_YACC = 296,
-     TYPE = 297,
-     EQUAL = 298,
-     SEMICOLON = 299,
-     PIPE = 300,
+     PERCENT_REQUIRE = 289,
+     PERCENT_SKELETON = 290,
+     PERCENT_START = 291,
+     PERCENT_TOKEN_TABLE = 292,
+     PERCENT_VERBOSE = 293,
+     PERCENT_YACC = 294,
+     BRACED_CODE = 295,
+     BRACED_PREDICATE = 296,
+     BRACKETED_ID = 297,
+     CHAR = 298,
+     EPILOGUE = 299,
+     EQUAL = 300,

      ID = 301,
      ID_COLON = 302,
      PERCENT_PERCENT = 303,
      ID = 301,
      ID_COLON = 302,
      PERCENT_PERCENT = 303,

-     PROLOGUE = 304,
-     EPILOGUE = 305,
-     BRACED_CODE = 306
+     PIPE = 304,
+     PROLOGUE = 305,
+     SEMICOLON = 306,
+     TAG = 307,
+     TAG_ANY = 308,
+     TAG_NONE = 309,
+     PERCENT_PARAM = 310,
+     PERCENT_UNION = 311

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


@@ -125,163 +245,84 @@
 #define PERCENT_TYPE 262
 #define PERCENT_DESTRUCTOR 263
 #define PERCENT_PRINTER 264
 #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_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_PREC 269
 #define PERCENT_DPREC 270
 #define PERCENT_MERGE 271

-#define PERCENT_DEBUG 272
+#define PERCENT_CODE 272

 #define PERCENT_DEFAULT_PREC 273
 #define PERCENT_DEFINE 274
 #define PERCENT_DEFINES 275
 #define PERCENT_ERROR_VERBOSE 276
 #define PERCENT_EXPECT 277
 #define PERCENT_EXPECT_RR 278
 #define PERCENT_DEFAULT_PREC 273
 #define PERCENT_DEFINE 274
 #define PERCENT_DEFINES 275
 #define PERCENT_ERROR_VERBOSE 276
 #define PERCENT_EXPECT 277
 #define PERCENT_EXPECT_RR 278

-#define PERCENT_FILE_PREFIX 279
-#define PERCENT_GLR_PARSER 280
-#define PERCENT_INITIAL_ACTION 281
-#define PERCENT_LEX_PARAM 282
-#define PERCENT_LOCATIONS 283
+#define PERCENT_FLAG 279
+#define PERCENT_FILE_PREFIX 280
+#define PERCENT_GLR_PARSER 281
+#define PERCENT_INITIAL_ACTION 282
+#define PERCENT_LANGUAGE 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_NAME_PREFIX 284
 #define PERCENT_NO_DEFAULT_PREC 285
 #define PERCENT_NO_LINES 286
 #define PERCENT_NONDETERMINISTIC_PARSER 287
 #define PERCENT_OUTPUT 288

-#define PERCENT_PARSE_PARAM 289
-#define PERCENT_PURE_PARSER 290
-#define PERCENT_REQUIRE 291
-#define PERCENT_SKELETON 292
-#define PERCENT_START 293
-#define PERCENT_TOKEN_TABLE 294
-#define PERCENT_VERBOSE 295
-#define PERCENT_YACC 296
-#define TYPE 297
-#define EQUAL 298
-#define SEMICOLON 299
-#define PIPE 300
+#define PERCENT_REQUIRE 289
+#define PERCENT_SKELETON 290
+#define PERCENT_START 291
+#define PERCENT_TOKEN_TABLE 292
+#define PERCENT_VERBOSE 293
+#define PERCENT_YACC 294
+#define BRACED_CODE 295
+#define BRACED_PREDICATE 296
+#define BRACKETED_ID 297
+#define CHAR 298
+#define EPILOGUE 299
+#define EQUAL 300

 #define ID 301
 #define ID_COLON 302
 #define PERCENT_PERCENT 303
 #define ID 301
 #define ID_COLON 302
 #define PERCENT_PERCENT 303

-#define PROLOGUE 304
-#define EPILOGUE 305
-#define BRACED_CODE 306
-
-
-
-
-/* Copy the first part of user declarations.  */
-#line 1 "parse-gram.y"
-/* Bison Grammar Parser                             -*- C -*-
-
-   Copyright (C) 2002, 2003, 2004, 2005, 2006 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 2 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
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-   GNU General Public License for more details.
-
-   You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software
-   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
-   02110-1301  USA
-*/
-
-#include <config.h>
-#include "system.h"
-
-#include "complain.h"
-#include "conflicts.h"
-#include "files.h"
-#include "getargs.h"
-#include "gram.h"
-#include "muscle_tab.h"
-#include "output.h"
-#include "quotearg.h"
-#include "reader.h"
-#include "symlist.h"
-#include "strverscmp.h"
-
-#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) \
-       gram_error (&yylloc, Msg)
-static void gram_error (location const *, char const *);
-
-static void add_param (char const *, char *, location);
-
-static symbol_class current_class = unknown_sym;
-static uniqstr current_type = 0;
-static symbol *current_lhs;
-static location current_lhs_location;
-static int current_prec = 0;
-
-#ifdef UINT_FAST8_MAX
-# define YYTYPE_UINT8 uint_fast8_t
-#endif
-#ifdef INT_FAST8_MAX
-# define YYTYPE_INT8 int_fast8_t
-#endif
-#ifdef UINT_FAST16_MAX
-# define YYTYPE_UINT16 uint_fast16_t
-#endif
-#ifdef INT_FAST16_MAX
-# define YYTYPE_INT16 int_fast16_t
-#endif
-
-
-/* Enabling traces.  */
-#ifndef YYDEBUG
-# define YYDEBUG 1
-#endif
+#define PIPE 304
+#define PROLOGUE 305
+#define SEMICOLON 306
+#define TAG 307
+#define TAG_ANY 308
+#define TAG_NONE 309
+#define PERCENT_PARAM 310
+#define PERCENT_UNION 311

 
 

-/* Enabling verbose error messages.  */
-#ifdef YYERROR_VERBOSE
-# undef YYERROR_VERBOSE
-# define YYERROR_VERBOSE 1
-#else
-# define YYERROR_VERBOSE 1
-#endif

 
 

-/* Enabling the token table.  */
-#ifndef YYTOKEN_TABLE
-# define YYTOKEN_TABLE 0
-#endif

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

-#line 95 "parse-gram.y"

 {
 {

+/* Line 342 of yacc.c  */
+#line 107 "src/parse-gram.y"
+
+  assoc assoc;
+  char *code;
+  char const *chars;
+  int integer;
+  named_ref *named_ref;

   symbol *symbol;
   symbol_list *list;
   symbol *symbol;
   symbol_list *list;

-  int integer;
-  char *chars;
-  assoc assoc;

   uniqstr uniqstr;
   uniqstr uniqstr;

-}
-/* Line 198 of yacc.c.  */
-#line 281 "parse-gram.c"
-       YYSTYPE;
+  unsigned char character;
+
+/* Line 342 of yacc.c  */
+#line 245 "src/parse-gram.y"
+
+  param_type param;
+
+
+/* Line 342 of yacc.c  */
+#line 322 "src/parse-gram.c"
+} YYSTYPE;
+# define YYSTYPE_IS_TRIVIAL 1

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

-# define YYSTYPE_IS_TRIVIAL 1

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


@@ -298,11 +339,77 @@ typedef struct YYLTYPE
 #endif
 
 
 #endif
 
 

-/* Copy the second part of user declarations.  */
+#ifdef YYPARSE_PARAM
+#if (defined __STDC__ || defined __C99__FUNC__ \
+     || defined __cplusplus || defined _MSC_VER)
+int gram_parse (void *YYPARSE_PARAM);
+#else
+int gram_parse ();
+#endif
+#else /* ! YYPARSE_PARAM */
+#if (defined __STDC__ || defined __C99__FUNC__ \
+     || defined __cplusplus || defined _MSC_VER)
+int gram_parse (void);
+#else
+int gram_parse ();
+#endif
+#endif /* ! YYPARSE_PARAM */
+
+#endif /* !GRAM_Y_TAB_H  */

 
 

+/* Copy the second part of user declarations.  */

 
 

-/* Line 221 of yacc.c.  */
-#line 306 "parse-gram.c"
+/* Line 345 of yacc.c  */
+#line 364 "src/parse-gram.c"
+/* Unqualified %code blocks.  */
+/* Line 346 of yacc.c  */
+#line 56 "src/parse-gram.y"
+
+  static int current_prec = 0;
+  static location current_lhs_location;
+  static named_ref *current_lhs_named_ref;
+  static symbol *current_lhs_symbol;
+  static symbol_class current_class = unknown_sym;
+  static uniqstr current_type = NULL;
+
+  /** Set the new current left-hand side symbol, possibly common
+   * to several right-hand side parts of rule.
+   */
+  static
+  void
+  current_lhs(symbol *sym, location loc, named_ref *ref)
+  {
+    current_lhs_symbol = sym;
+    current_lhs_location = loc;
+    /* In order to simplify memory management, named references for lhs
+       are always assigned by deep copy into the current symbol_list
+       node.  This is because a single named-ref in the grammar may
+       result in several uses when the user factors lhs between several
+       rules using "|".  Therefore free the parser's original copy.  */
+    free (current_lhs_named_ref);
+    current_lhs_named_ref = ref;
+  }
+
+  #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 346 of yacc.c  */
+#line 234 "src/parse-gram.y"
+
+  /** Add a lex-param and/or a parse-param.
+   *
+   * \param type  where to push this formal argument.
+   * \param decl  the formal argument.  Destroyed.
+   * \param loc   the location in the source.
+   */
+  static void add_param (param_type type, char *decl, location loc);
+  static param_type current_param = param_none;
+
+
+/* Line 346 of yacc.c  */
+#line 413 "src/parse-gram.c"

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


@@ -352,7 +459,7 @@ typedef short int yytype_int16;
 #define YYSIZE_MAXIMUM ((YYSIZE_T) -1)
 
 #ifndef YY_
 #define YYSIZE_MAXIMUM ((YYSIZE_T) -1)
 
 #ifndef YY_

-# if YYENABLE_NLS
+# if defined YYENABLE_NLS && YYENABLE_NLS

 #  if ENABLE_NLS
 #   include <libintl.h> /* INFRINGES ON USER NAME SPACE */
 #   define YY_(msgid) dgettext ("bison-runtime", msgid)
 #  if ENABLE_NLS
 #   include <libintl.h> /* INFRINGES ON USER NAME SPACE */
 #   define YY_(msgid) dgettext ("bison-runtime", msgid)


@@ -377,45 +484,21 @@ typedef short int yytype_int16;
 #if (defined __STDC__ || defined __C99__FUNC__ \
      || defined __cplusplus || defined _MSC_VER)
 static int
 #if (defined __STDC__ || defined __C99__FUNC__ \
      || defined __cplusplus || defined _MSC_VER)
 static int

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

 #else
 static int
 #else
 static int

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

 #endif
 {
 #endif
 {

-  return i;
+  return yyi;

 }
 #endif
 
 }
 #endif
 

-#if ! defined yyoverflow || YYERROR_VERBOSE
+#if 1

 
 /* The parser invokes alloca or malloc; define the necessary symbols.  */
 
 
 /* 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
-#    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
    /* Pacify GCC's `empty if-body' warning.  */
 #  define YYSTACK_FREE(Ptr) do { /* empty */; } while (YYID (0))
 # ifdef YYSTACK_ALLOC
    /* Pacify GCC's `empty if-body' warning.  */
 #  define YYSTACK_FREE(Ptr) do { /* empty */; } while (YYID (0))


@@ -432,41 +515,44 @@ YYID (i)
 #  ifndef YYSTACK_ALLOC_MAXIMUM
 #   define YYSTACK_ALLOC_MAXIMUM YYSIZE_MAXIMUM
 #  endif
 #  ifndef YYSTACK_ALLOC_MAXIMUM
 #   define YYSTACK_ALLOC_MAXIMUM YYSIZE_MAXIMUM
 #  endif

-#  ifdef __cplusplus
-extern "C" {
+#  if (defined __cplusplus && ! defined EXIT_SUCCESS \
+       && ! ((defined YYMALLOC || defined malloc) \
+             && (defined YYFREE || defined free)))
+#   include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
+#   ifndef EXIT_SUCCESS
+#    define EXIT_SUCCESS 0
+#   endif

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

-#   if ! defined malloc && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \
+#   if ! defined malloc && ! defined EXIT_SUCCESS && (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
      || 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__ \
+#   if ! defined free && ! defined EXIT_SUCCESS && (defined __STDC__ || defined __C99__FUNC__ \

      || defined __cplusplus || defined _MSC_VER)
 void free (void *); /* INFRINGES ON USER NAME SPACE */
 #   endif
 #  endif
      || defined __cplusplus || defined _MSC_VER)
 void free (void *); /* INFRINGES ON USER NAME SPACE */
 #   endif
 #  endif

-#  ifdef __cplusplus
-}
-#  endif

 # endif
 # endif

-#endif /* ! defined yyoverflow || YYERROR_VERBOSE */
+# define YYCOPY_NEEDED 1
+#endif

 
 
 #if (! defined yyoverflow \
      && (! defined __cplusplus \
 
 
 #if (! defined yyoverflow \
      && (! defined __cplusplus \

-        || (defined YYLTYPE_IS_TRIVIAL && YYLTYPE_IS_TRIVIAL \
-            && defined YYSTYPE_IS_TRIVIAL && YYSTYPE_IS_TRIVIAL)))
+         || (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
 {

-  yytype_int16 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.  */


@@ -478,64 +564,70 @@ union yyalloc
      ((N) * (sizeof (yytype_int16) + sizeof (YYSTYPE) + sizeof (YYLTYPE)) \
       + 2 * YYSTACK_GAP_MAXIMUM)
 
      ((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
-#  if defined __GNUC__ && 1 < __GNUC__
-#   define YYCOPY(To, From, Count) \
-      __builtin_memcpy (To, From, (Count) * sizeof (*(From)))
-#  else
-#   define YYCOPY(To, From, Count)             \
-      do                                       \
-       {                                       \
-         YYSIZE_T yyi;                         \
-         for (yyi = 0; yyi < (Count); yyi++)   \
-           (To)[yyi] = (From)[yyi];            \
-       }                                       \
-      while (YYID (0))
-#  endif
-# endif
+# define YYCOPY_NEEDED 1

 
 /* Relocate STACK from its old location to the new one.  The
    local variables YYSIZE and YYSTACKSIZE give the old and new number of
    elements in the stack, and YYPTR gives the new location of the
    stack.  Advance YYPTR to a properly aligned location for the next
    stack.  */
 
 /* Relocate STACK from its old location to the new one.  The
    local variables YYSIZE and YYSTACKSIZE give the old and new number of
    elements in the stack, and YYPTR gives the new location of the
    stack.  Advance YYPTR to a properly aligned location for the next
    stack.  */

-# define YYSTACK_RELOCATE(Stack)                                       \
-    do                                                                 \
-      {                                                                        \
-       YYSIZE_T yynewbytes;                                            \
-       YYCOPY (&yyptr->Stack, Stack, yysize);                          \
-       Stack = &yyptr->Stack;                                          \
-       yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \
-       yyptr += yynewbytes / sizeof (*yyptr);                          \
-      }                                                                        \
+# define YYSTACK_RELOCATE(Stack_alloc, Stack)                           \
+    do                                                                  \
+      {                                                                 \
+        YYSIZE_T yynewbytes;                                            \
+        YYCOPY (&yyptr->Stack_alloc, Stack, yysize);                    \
+        Stack = &yyptr->Stack_alloc;                                    \
+        yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \
+        yyptr += yynewbytes / sizeof (*yyptr);                          \
+      }                                                                 \

     while (YYID (0))
 
 #endif
 
     while (YYID (0))
 
 #endif
 

+#if defined YYCOPY_NEEDED && YYCOPY_NEEDED
+/* Copy COUNT objects from SRC to DST.  The source and destination do
+   not overlap.  */
+# ifndef YYCOPY
+#  if defined __GNUC__ && 1 < __GNUC__
+#   define YYCOPY(Dst, Src, Count) \
+      __builtin_memcpy (Dst, Src, (Count) * sizeof (*(Src)))
+#  else
+#   define YYCOPY(Dst, Src, Count)              \
+      do                                        \
+        {                                       \
+          YYSIZE_T yyi;                         \
+          for (yyi = 0; yyi < (Count); yyi++)   \
+            (Dst)[yyi] = (Src)[yyi];            \
+        }                                       \
+      while (YYID (0))
+#  endif
+# endif
+#endif /* !YYCOPY_NEEDED */
+

 /* YYFINAL -- State number of the termination state.  */
 #define YYFINAL  3
 /* YYLAST -- Last index in YYTABLE.  */
 /* YYFINAL -- State number of the termination state.  */
 #define YYFINAL  3
 /* YYLAST -- Last index in YYTABLE.  */

-#define YYLAST   161
+#define YYLAST   163

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

-#define YYNTOKENS  52
+#define YYNTOKENS  57

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

-#define YYNNTS  26
+#define YYNNTS  36

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

-#define YYNRULES  82
-/* YYNRULES -- Number of states.  */
-#define YYNSTATES  111
+#define YYNRULES  110
+/* YYNSTATES -- Number of states.  */
+#define YYNSTATES  149

 
 

-/* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX.  */
+/* YYTRANSLATE[YYX] -- Symbol number corresponding to YYX as returned
+   by yylex, with out-of-bounds checking.  */

 #define YYUNDEFTOK  2
 #define YYUNDEFTOK  2

-#define YYMAXUTOK   306
+#define YYMAXUTOK   311

 
 

-#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.  */
+/* 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,
 static const yytype_uint8 yytranslate[] =
 {
        0,     2,     2,     2,     2,     2,     2,     2,     2,     2,


@@ -568,96 +660,62 @@ static const yytype_uint8 yytranslate[] =
       15,    16,    17,    18,    19,    20,    21,    22,    23,    24,
       25,    26,    27,    28,    29,    30,    31,    32,    33,    34,
       35,    36,    37,    38,    39,    40,    41,    42,    43,    44,
       15,    16,    17,    18,    19,    20,    21,    22,    23,    24,
       25,    26,    27,    28,    29,    30,    31,    32,    33,    34,
       35,    36,    37,    38,    39,    40,    41,    42,    43,    44,

-      45,    46,    47,    48,    49,    50,    51
+      45,    46,    47,    48,    49,    50,    51,    52,    53,    54,
+      55,    56

 };
 
 #if YYDEBUG
 };
 
 #if YYDEBUG

-/* YYPRHS[YYN] -- Index of the first RHS symbol of rule number YYN in
-   YYRHS.  */
-static const yytype_uint8 yyprhs[] =
-{
-       0,     0,     3,     8,     9,    12,    14,    16,    18,    21,
-      25,    27,    29,    32,    35,    39,    41,    43,    45,    47,
-      51,    53,    55,    59,    61,    63,    66,    69,    71,    73,
-      75,    77,    79,    81,    84,    86,    89,    92,    94,    96,
-      97,   101,   102,   106,   110,   114,   116,   118,   120,   121,
-     123,   125,   128,   130,   132,   135,   138,   142,   144,   147,
-     149,   152,   154,   157,   160,   161,   165,   167,   171,   174,
-     175,   178,   181,   185,   189,   193,   195,   197,   198,   201,
-     203,   205,   206
-};
-
-/* YYRHS -- A `-1'-separated list of the rules' RHS.  */
-static const yytype_int8 yyrhs[] =
-{
-      53,     0,    -1,    54,    48,    66,    77,    -1,    -1,    54,
-      55,    -1,    56,    -1,    49,    -1,    17,    -1,    19,    76,
-      -1,    19,    76,    76,    -1,    20,    -1,    21,    -1,    22,
-       4,    -1,    23,     4,    -1,    24,    43,    76,    -1,    25,
-      -1,    26,    -1,    27,    -1,    28,    -1,    29,    43,    76,
-      -1,    31,    -1,    32,    -1,    33,    43,    76,    -1,    34,
-      -1,    35,    -1,    36,    76,    -1,    37,    76,    -1,    39,
-      -1,    40,    -1,    41,    -1,    44,    -1,    60,    -1,    57,
-      -1,    38,    72,    -1,    10,    -1,     8,    63,    -1,     9,
-      63,    -1,    18,    -1,    30,    -1,    -1,     6,    58,    65,
-      -1,    -1,     5,    59,    65,    -1,     7,    42,    63,    -1,
-      61,    62,    63,    -1,    11,    -1,    12,    -1,    13,    -1,
-      -1,    42,    -1,    72,    -1,    63,    72,    -1,    42,    -1,
-      46,    -1,    46,     4,    -1,    46,    75,    -1,    46,     4,
-      75,    -1,    64,    -1,    65,    64,    -1,    67,    -1,    66,
-      67,    -1,    68,    -1,    56,    44,    -1,     1,    44,    -1,
-      -1,    47,    69,    70,    -1,    71,    -1,    70,    45,    71,
-      -1,    70,    44,    -1,    -1,    71,    72,    -1,    71,    73,
-      -1,    71,    14,    72,    -1,    71,    15,     4,    -1,    71,
-      16,    42,    -1,    46,    -1,    75,    -1,    -1,    74,    51,
-      -1,     3,    -1,     3,    -1,    -1,    48,    50,    -1
-};
-
-/* YYRLINE[YYN] -- source line where rule number YYN was defined.  */
+  /* YYRLINEYYN -- Source line where rule number YYN was defined.    */

 static const yytype_uint16 yyrline[] =
 {
 static const yytype_uint16 yyrline[] =
 {

-       0,   203,   203,   211,   213,   217,   218,   219,   220,   225,
-     226,   227,   228,   229,   230,   231,   236,   240,   241,   242,
-     243,   244,   245,   246,   247,   248,   249,   250,   251,   252,
-     253,   257,   258,   259,   263,   279,   286,   293,   297,   304,
-     304,   309,   309,   314,   324,   339,   340,   341,   345,   346,
-     352,   353,   358,   362,   367,   373,   379,   390,   391,   400,
-     401,   407,   408,   409,   416,   416,   420,   421,   422,   427,
-     428,   430,   431,   433,   435,   440,   441,   457,   457,   463,
-     472,   477,   479
+       0,   270,   270,   278,   280,   284,   285,   295,   299,   304,
+     305,   310,   315,   316,   317,   318,   319,   324,   333,   334,
+     335,   336,   337,   338,   339,   340,   340,   341,   342,   366,
+     367,   368,   369,   373,   374,   383,   384,   385,   389,   396,
+     403,   407,   411,   418,   433,   434,   438,   450,   450,   455,
+     455,   460,   471,   486,   487,   488,   489,   493,   494,   499,
+     501,   506,   507,   512,   514,   519,   520,   524,   525,   526,
+     527,   532,   537,   542,   548,   554,   565,   566,   575,   576,
+     582,   583,   584,   591,   591,   599,   600,   601,   606,   608,
+     610,   612,   614,   616,   618,   623,   625,   635,   636,   641,
+     642,   643,   652,   672,   674,   683,   688,   689,   694,   701,
+     703

 };
 #endif
 
 };
 #endif
 

-#if YYDEBUG || YYERROR_VERBOSE || YYTOKEN_TABLE
+#if YYDEBUG || YYERROR_VERBOSE || 1

 /* YYTNAME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM.
    First, the terminals, then, starting at YYNTOKENS, nonterminals.  */
 static const char *const yytname[] =
 {
   "\"end of file\"", "error", "$undefined", "\"string\"", "\"integer\"",
 /* YYTNAME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM.
    First, the terminals, then, starting at YYNTOKENS, nonterminals.  */
 static const char *const yytname[] =
 {
   "\"end of file\"", "error", "$undefined", "\"string\"", "\"integer\"",

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

   "\"%default-prec\"", "\"%define\"", "\"%defines\"", "\"%error-verbose\"",
   "\"%default-prec\"", "\"%define\"", "\"%defines\"", "\"%error-verbose\"",

-  "\"%expect\"", "\"%expect-rr\"", "\"%file-prefix\"", "\"%glr-parser\"",
-  "\"%initial-action {...}\"", "\"%lex-param {...}\"", "\"%locations\"",
+  "\"%expect\"", "\"%expect-rr\"", "\"%<flag>\"", "\"%file-prefix\"",
+  "\"%glr-parser\"", "\"%initial-action\"", "\"%language\"",

   "\"%name-prefix\"", "\"%no-default-prec\"", "\"%no-lines\"",
   "\"%name-prefix\"", "\"%no-default-prec\"", "\"%no-lines\"",

-  "\"%nondeterministic-parser\"", "\"%output\"", "\"%parse-param {...}\"",
-  "\"%pure-parser\"", "\"%require\"", "\"%skeleton\"", "\"%start\"",
-  "\"%token-table\"", "\"%verbose\"", "\"%yacc\"", "\"type\"", "\"=\"",
-  "\";\"", "\"|\"", "\"identifier\"", "\"identifier:\"", "\"%%\"",
-  "\"%{...%}\"", "\"epilogue\"", "\"{...}\"", "$accept", "input",
-  "declarations", "declaration", "grammar_declaration",
-  "symbol_declaration", "@1", "@2", "precedence_declaration",
-  "precedence_declarator", "type.opt", "symbols.1", "symbol_def",
-  "symbol_defs.1", "grammar", "rules_or_grammar_declaration", "rules",
-  "@3", "rhses.1", "rhs", "symbol", "action", "@4", "string_as_id",
-  "string_content", "epilogue.opt", 0
+  "\"%nondeterministic-parser\"", "\"%output\"", "\"%require\"",
+  "\"%skeleton\"", "\"%start\"", "\"%token-table\"", "\"%verbose\"",
+  "\"%yacc\"", "\"{...}\"", "\"%?{...}\"", "\"[identifier]\"", "\"char\"",
+  "\"epilogue\"", "\"=\"", "\"identifier\"", "\"identifier:\"", "\"%%\"",
+  "\"|\"", "\"%{...%}\"", "\";\"", "\"<tag>\"", "\"<*>\"", "\"<>\"",
+  "\"%param\"", "\"%union\"", "$accept", "input", "prologue_declarations",
+  "prologue_declaration", "$@1", "params", "grammar_declaration",
+  "union_name", "symbol_declaration", "$@2", "$@3",
+  "precedence_declaration", "precedence_declarator", "tag.opt",
+  "symbols.prec", "symbol.prec", "symbols.1", "generic_symlist",
+  "generic_symlist_item", "symbol_def", "symbol_defs.1", "grammar",
+  "rules_or_grammar_declaration", "rules", "$@4", "rhses.1", "rhs",
+  "named_ref.opt", "variable", "content.opt", "braceless", "id",
+  "id_colon", "symbol", "string_as_id", "epilogue.opt", YY_NULL

 };
 #endif
 
 # ifdef YYPRINT
 };
 #endif
 
 # ifdef YYPRINT

-/* YYTOKNUM[YYLEX-NUM] -- Internal token number corresponding to
-   token YYLEX-NUM.  */
+/* 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,
 static const yytype_uint16 yytoknum[] =
 {
        0,   256,   257,   258,   259,   260,   261,   262,   263,   264,


@@ -665,195 +723,230 @@ static const yytype_uint16 yytoknum[] =
      275,   276,   277,   278,   279,   280,   281,   282,   283,   284,
      285,   286,   287,   288,   289,   290,   291,   292,   293,   294,
      295,   296,   297,   298,   299,   300,   301,   302,   303,   304,
      275,   276,   277,   278,   279,   280,   281,   282,   283,   284,
      285,   286,   287,   288,   289,   290,   291,   292,   293,   294,
      295,   296,   297,   298,   299,   300,   301,   302,   303,   304,

-     305,   306
+     305,   306,   307,   308,   309,   310,   311

 };
 # endif
 
 };
 # endif
 

-/* YYR1[YYN] -- Symbol number of symbol that rule YYN derives.  */
-static const yytype_uint8 yyr1[] =
+#define YYPACT_NINF -50
+
+#define yypact_value_is_default(yystate) \
+  ((yystate) == (-50))
+
+#define YYTABLE_NINF -110
+
+#define yytable_value_is_error(yytable_value) \
+  YYID (0)
+
+  /* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing
+     STATE-NUM.    */
+static const yytype_int16 yypact[] =

 {
 {

-       0,    52,    53,    54,    54,    55,    55,    55,    55,    55,
-      55,    55,    55,    55,    55,    55,    55,    55,    55,    55,
-      55,    55,    55,    55,    55,    55,    55,    55,    55,    55,
-      55,    56,    56,    56,    56,    56,    56,    56,    56,    58,
-      57,    59,    57,    57,    60,    61,    61,    61,    62,    62,
-      63,    63,    64,    64,    64,    64,    64,    65,    65,    66,
-      66,    67,    67,    67,    69,    68,    70,    70,    70,    71,
-      71,    71,    71,    71,    71,    72,    72,    74,    73,    75,
-      76,    77,    77
+     -50,     4,   107,   -50,   -50,   -50,   -20,     3,    11,   -50,
+     -50,   -50,   -50,    14,   -50,    12,    68,   -50,    72,    73,
+     -50,     0,   -50,    45,    86,     2,   -50,   -50,   -50,    17,
+      95,    96,    32,   -50,   -50,   -50,    16,   -50,   -50,   -50,
+      54,   -50,   -50,   -50,   -50,    49,    -2,    -2,    32,    27,
+      27,   -50,    63,   -50,   -50,   -50,    37,   -50,   -50,   -50,
+     -50,   101,   -50,   -50,   -50,   103,   -50,   104,   -50,   -50,
+     -50,   -50,   -50,   -50,   -50,   -50,    57,   -50,    58,     1,
+     -50,   -50,    79,    70,   -50,    63,   -50,    32,   -50,   -50,
+      -2,    64,    -2,    32,   -50,   -50,   -50,   -50,    27,   -50,
+     -50,    27,   -50,   -50,   -50,   -50,   -50,   -50,   -50,   -50,
+     -50,    78,   -50,   -50,   -50,   -50,   -50,    83,   -50,    32,
+     -50,   143,   -50,   145,   -50,   -50,   -50,   -50,   -50,   -50,
+     -50,   -50,   -50,    43,    50,   -50,   -50,    32,   146,    97,
+      79,   -50,    79,    50,   -50,   -50,   -50,   -50,   -50

 };
 
 };
 

-/* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN.  */
-static const yytype_uint8 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,     2,     3,
-       1,     1,     2,     2,     3,     1,     1,     1,     1,     3,
-       1,     1,     3,     1,     1,     2,     2,     1,     1,     1,
-       1,     1,     1,     2,     1,     2,     2,     1,     1,     0,
-       3,     0,     3,     3,     3,     1,     1,     1,     0,     1,
-       1,     2,     1,     1,     2,     2,     3,     1,     2,     1,
-       2,     1,     2,     2,     0,     3,     1,     3,     2,     0,
-       2,     2,     3,     3,     3,     1,     1,     0,     2,     1,
-       1,     0,     2
+       3,     0,     0,     1,    49,    47,     0,     0,     0,    53,
+      54,    55,    56,     0,    40,     0,     9,    11,     0,     0,
+       7,     0,    16,     0,     0,     0,    41,    21,    22,     0,
+       0,     0,     0,    29,    30,    31,     0,     6,    32,    25,
+      44,     4,     5,    36,    35,    57,     0,     0,     0,     0,
+       0,   102,     0,    42,    98,    97,    99,    10,    12,    13,
+      14,     0,    17,    18,    19,     0,    23,     0,    27,    28,
+     108,   104,   103,   106,    37,   107,     0,   105,     0,     0,
+      78,    80,    95,     0,    45,     0,    58,     0,    71,    76,
+      50,    72,    48,    51,    63,    68,    69,    70,    38,    65,
+      67,    39,    43,   101,   100,     8,    15,    20,    24,    82,
+      81,     0,    79,     2,    96,    83,    34,    26,    46,    52,
+      59,    61,    77,    73,    74,    64,    66,   110,    88,    33,
+      60,    62,    75,    84,    85,    88,    87,     0,     0,     0,
+      95,    91,    95,    86,    92,    93,    94,    90,    89

 };
 
 };
 

-/* 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 yytype_uint8 yydefact[] =
+  /* YYPGOTO[NTERM-NUM].    */
+static const yytype_int16 yypgoto[] =

 {
 {

-       3,     0,     0,     1,    41,    39,     0,     0,     0,    34,
-      45,    46,    47,     7,    37,     0,    10,    11,     0,     0,
-       0,    15,    16,    17,    18,     0,    38,    20,    21,     0,
-      23,    24,     0,     0,     0,    27,    28,    29,    30,     0,
-       6,     4,     5,    32,    31,    48,     0,     0,     0,    79,
-      75,    35,    50,    76,    36,    80,     8,    12,    13,     0,
-       0,     0,    25,    26,    33,     0,    64,     0,     0,    59,
-      61,    49,     0,    52,    53,    57,    42,    40,    43,    51,
-       9,    14,    19,    22,    63,    69,    62,     0,    60,     2,
-      44,    54,    55,    58,    65,    66,    82,    56,    68,    69,
-       0,     0,     0,    70,    71,     0,    67,    72,    73,    74,
-      78
+     -50,   -50,   -50,   -50,   -50,   -50,   149,   -50,   -50,   -50,
+     -50,   -50,   -50,   -50,   -50,    33,   -50,   106,   -42,    -4,
+     112,   -50,    74,   -50,   -50,   -50,    19,   -45,   -50,   -50,
+     -16,    -8,   -50,   -32,   -49,   -50

 };
 
 };
 

-/* YYDEFGOTO[NTERM-NUM].  */
-static const yytype_int8 yydefgoto[] =
+  /* YYDEFGOTO[NTERM-NUM].    */
+static const yytype_int16 yydefgoto[] =

 {
 {

-      -1,     1,     2,    41,    67,    43,    47,    46,    44,    45,
-      72,    51,    75,    76,    68,    69,    70,    85,    94,    95,
-      52,   104,   105,    53,    56,    89
+      -1,     1,     2,    41,    83,   117,    78,    85,    43,    47,
+      46,    44,    45,    87,   119,   120,    93,    98,    99,    89,
+      90,    79,    80,    81,   128,   133,   134,   115,    56,   105,
+      53,    73,    82,   100,    75,   113

 };
 
 };
 

-/* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing
-   STATE-NUM.  */
-#define YYPACT_NINF -69
-static const yytype_int8 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 YYTABLE_NINF, syntax error.    */
+static const yytype_int16 yytable[] =

 {
 {

-     -69,     5,   112,   -69,   -69,   -69,   -35,     0,     0,   -69,
-     -69,   -69,   -69,   -69,   -69,    13,   -69,   -69,    20,    31,
-     -18,   -69,   -69,   -69,   -69,    -6,   -69,   -69,   -69,    -5,
-     -69,   -69,    13,    13,     0,   -69,   -69,   -69,   -69,    69,
-     -69,   -69,   -69,   -69,   -69,    -2,   -38,   -38,     0,   -69,
-     -69,     0,   -69,   -69,     0,   -69,    13,   -69,   -69,    13,
-      13,    13,   -69,   -69,   -69,    -8,   -69,     3,    21,   -69,
-     -69,   -69,     0,   -69,     6,   -69,   -38,   -38,     0,   -69,
-     -69,   -69,   -69,   -69,   -69,   -69,   -69,     2,   -69,   -69,
-       0,    39,   -69,   -69,   -33,    -1,   -69,   -69,   -69,   -69,
-       0,    44,     1,   -69,   -69,     4,    -1,   -69,   -69,   -69,
-     -69
+      74,  -109,    76,    60,     3,    64,     4,     5,     6,     7,
+       8,     9,    10,    11,    12,    54,    94,    76,    13,    14,
+      66,     4,     5,     6,     7,     8,     9,    10,    11,    12,
+      70,    26,    48,    13,    14,    70,   102,    32,    91,    91,
+     103,    71,   124,    49,    72,    61,    26,    65,    77,   111,
+      88,    50,    32,    70,    51,   121,   126,    40,    55,   126,
+      52,   125,    67,    77,   137,   138,   139,    70,   123,   118,
+      71,    57,    40,    72,   132,    71,    58,    59,    72,    95,
+      96,    97,    91,   104,    91,    62,   122,   121,   122,    63,
+     140,   141,   135,    71,   136,   147,    72,   148,    68,    69,
+      84,    86,   142,    51,   106,   144,   107,   108,   109,   110,
+     116,   142,     4,     5,     6,     7,     8,     9,    10,    11,
+      12,   114,   127,   129,    13,    14,    15,    16,    17,    18,
+      19,    20,    21,    22,    23,    24,    25,    26,    27,    28,
+      29,    30,    31,    32,    33,    34,    35,   131,    70,   146,
+     145,    42,   130,   112,   143,    36,   101,    37,    38,    92,
+       0,     0,    39,    40

 };
 
 };
 

-/* YYPGOTO[NTERM-NUM].  */
-static const yytype_int8 yypgoto[] =
+static const yytype_int16 yycheck[] =

 {
 {

-     -69,   -69,   -69,   -69,    47,   -69,   -69,   -69,   -69,   -69,
-     -69,    -7,   -58,     7,   -69,   -15,   -69,   -69,   -69,   -42,
-     -34,   -69,   -69,   -68,    30,   -69
+      32,     0,     1,     3,     0,     3,     5,     6,     7,     8,
+       9,    10,    11,    12,    13,     3,    48,     1,    17,    18,
+       3,     5,     6,     7,     8,     9,    10,    11,    12,    13,
+       3,    30,    52,    17,    18,     3,    52,    36,    46,    47,
+       3,    43,    91,    40,    46,    45,    30,    45,    47,    48,
+      52,    40,    36,     3,    40,    87,    98,    56,    46,   101,
+      46,    93,    45,    47,    14,    15,    16,     3,     4,    85,
+      43,     3,    56,    46,   123,    43,     4,     4,    46,    52,
+      53,    54,    90,    46,    92,    40,    90,   119,    92,     3,
+      40,    41,    49,    43,    51,   140,    46,   142,     3,     3,
+      46,    52,   134,    40,     3,   137,     3,     3,    51,    51,
+      40,   143,     5,     6,     7,     8,     9,    10,    11,    12,
+      13,    42,    44,    40,    17,    18,    19,    20,    21,    22,
+      23,    24,    25,    26,    27,    28,    29,    30,    31,    32,
+      33,    34,    35,    36,    37,    38,    39,     4,     3,    52,
+       4,     2,   119,    79,   135,    48,    50,    50,    51,    47,
+      -1,    -1,    55,    56

 };
 
 };
 

-/* 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 -82
-static const yytype_int8 yytable[] =
+  /* STOS_[STATE-NUM] -- The (internal number of the) accessing
+     symbol of state STATE-NUM.    */
+static const yytype_uint8 yystos[] =

 {
 {

-      64,    54,    49,    49,    73,     3,    92,    48,    74,    49,
-      91,    98,    99,   100,   101,   102,    55,    79,    93,    93,
-      79,   -81,    65,    97,    57,    59,     4,     5,     6,     7,
-       8,     9,    10,    11,    12,    58,    84,    60,    61,    14,
-      71,    78,    49,   109,    79,    50,    50,    86,   108,    42,
-     -77,    26,    96,    88,    77,   110,    79,   106,     0,    34,
-       0,   103,    62,    63,     0,    90,   107,     0,    66,    87,
-      65,     0,   103,     0,     4,     5,     6,     7,     8,     9,
-      10,    11,    12,     0,     0,     0,    80,    14,     0,    81,
-      82,    83,     0,     0,     0,     0,     0,     0,     0,    26,
-       0,     0,     0,     0,     0,     0,     0,    34,     0,     0,
-       0,     0,     0,     0,     0,     0,    66,     4,     5,     6,
-       7,     8,     9,    10,    11,    12,     0,     0,     0,    13,
-      14,    15,    16,    17,    18,    19,    20,    21,    22,    23,
+       0,    58,    59,     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,
       24,    25,    26,    27,    28,    29,    30,    31,    32,    33,

-      34,    35,    36,    37,     0,     0,    38,     0,     0,     0,
-      39,    40
+      34,    35,    36,    37,    38,    39,    48,    50,    51,    55,
+      56,    60,    63,    65,    68,    69,    67,    66,    52,    40,
+      40,    40,    46,    87,     3,    46,    85,     3,     4,     4,
+       3,    45,    40,     3,     3,    45,     3,    45,     3,     3,
+       3,    43,    46,    88,    90,    91,     1,    47,    63,    78,
+      79,    80,    89,    61,    46,    64,    52,    70,    52,    76,
+      77,    88,    77,    73,    90,    52,    53,    54,    74,    75,
+      90,    74,    87,     3,    46,    86,     3,     3,     3,    51,
+      51,    48,    79,    92,    42,    84,    40,    62,    87,    71,
+      72,    90,    76,     4,    91,    90,    75,    44,    81,    40,
+      72,     4,    91,    82,    83,    49,    51,    14,    15,    16,
+      40,    41,    90,    83,    90,     4,    52,    84,    84

 };
 
 };
 

-static const yytype_int8 yycheck[] =
+  /* YYR1[YYN] -- Symbol number of symbol that rule YYN derives.    */
+static const yytype_uint8 yyr1[] =

 {
 {

-      34,     8,     3,     3,    42,     0,    74,    42,    46,     3,
-       4,    44,    45,    14,    15,    16,     3,    51,    76,    77,
-      54,     0,     1,    91,     4,    43,     5,     6,     7,     8,
-       9,    10,    11,    12,    13,     4,    44,    43,    43,    18,
-      42,    48,     3,    42,    78,    46,    46,    44,     4,     2,
-      51,    30,    50,    68,    47,    51,    90,    99,    -1,    38,
-      -1,    95,    32,    33,    -1,    72,   100,    -1,    47,    48,
-       1,    -1,   106,    -1,     5,     6,     7,     8,     9,    10,
-      11,    12,    13,    -1,    -1,    -1,    56,    18,    -1,    59,
-      60,    61,    -1,    -1,    -1,    -1,    -1,    -1,    -1,    30,
-      -1,    -1,    -1,    -1,    -1,    -1,    -1,    38,    -1,    -1,
-      -1,    -1,    -1,    -1,    -1,    -1,    47,     5,     6,     7,
-       8,     9,    10,    11,    12,    13,    -1,    -1,    -1,    17,
-      18,    19,    20,    21,    22,    23,    24,    25,    26,    27,
-      28,    29,    30,    31,    32,    33,    34,    35,    36,    37,
-      38,    39,    40,    41,    -1,    -1,    44,    -1,    -1,    -1,
-      48,    49
+       0,    57,    58,    59,    59,    60,    60,    60,    60,    60,
+      60,    60,    60,    60,    60,    60,    60,    60,    60,    60,
+      60,    60,    60,    60,    60,    61,    60,    60,    60,    60,
+      60,    60,    60,    62,    62,    63,    63,    63,    63,    63,
+      63,    63,    63,    63,    64,    64,    63,    66,    65,    67,
+      65,    65,    68,    69,    69,    69,    69,    70,    70,    71,
+      71,    72,    72,    73,    73,    74,    74,    75,    75,    75,
+      75,    76,    76,    76,    76,    76,    77,    77,    78,    78,
+      79,    79,    79,    81,    80,    82,    82,    82,    83,    83,
+      83,    83,    83,    83,    83,    84,    84,    85,    85,    86,
+      86,    86,    87,    88,    88,    89,    90,    90,    91,    92,
+      92

 };
 
 };
 

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

 {
 {

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

 };
 
 };
 

-#define yyerrok                (yyerrstatus = 0)
-#define yyclearin      (yychar = YYEMPTY)
-#define YYEMPTY                (-2)
-#define YYEOF          0

 
 

-#define YYACCEPT       goto yyacceptlab
-#define YYABORT                goto yyabortlab
-#define YYERROR                goto yyerrorlab
+#define yyerrok         (yyerrstatus = 0)
+#define yyclearin       (yychar = YYEMPTY)
+#define YYEMPTY         (-2)
+#define YYEOF           0
+
+#define YYACCEPT        goto yyacceptlab
+#define YYABORT         goto yyabortlab
+#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.

-   Once GCC version 2 has supplanted version 1, this can go.  */
-
-#define YYFAIL         goto yyerrlab
+   Once GCC version 2 has supplanted version 1, this can go.  However,
+   YYFAIL appears to be in use.  Nevertheless, it is formally deprecated
+   in Bison 2.4.2's NEWS entry, where a plan to phase it out is
+   discussed.  */
+
+#define YYFAIL          goto yyerrlab
+#if defined YYFAIL
+  /* This is here to suppress warnings from the GCC cpp's
+     -Wunused-macros.  Normally we don't worry about that warning, but
+     some users do, and we want to make it easy for users to remove
+     YYFAIL uses, which will produce warnings from Bison 2.5.  */
+#endif

 
 #define YYRECOVERING()  (!!yyerrstatus)
 
 
 #define YYRECOVERING()  (!!yyerrstatus)
 

-#define YYBACKUP(Token, Value)                                 \
-do                                                             \
-  if (yychar == YYEMPTY && yylen == 1)                         \
-    {                                                          \
-      yychar = (Token);                                                \
-      yylval = (Value);                                                \
-      yytoken = YYTRANSLATE (yychar);                          \
-      YYPOPSTACK (1);                                          \
-      goto yybackup;                                           \
-    }                                                          \
-  else                                                         \
-    {                                                          \
+#define YYBACKUP(Token, Value)                                  \
+do                                                              \
+  if (yychar == YYEMPTY)                                        \
+    {                                                           \
+      yychar = (Token);                                         \
+      yylval = (Value);                                         \
+      YYPOPSTACK (yylen);                                       \
+      yystate = *yyssp;                                         \
+      YY_LAC_DISCARD ("YYBACKUP");                              \
+      goto yybackup;                                            \
+    }                                                           \
+  else                                                          \
+    {                                                           \

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

-      YYERROR;                                                 \
-    }                                                          \
+      YYERROR;                                                  \
+    }                                                           \

 while (YYID (0))
 
 
 while (YYID (0))
 
 

-#define YYTERROR       1
-#define YYERRCODE      256
+#define YYTERROR        1
+#define YYERRCODE       256

 
 
 /* YYLLOC_DEFAULT -- Set CURRENT to span from RHS[1] to RHS[N].
 
 
 /* YYLLOC_DEFAULT -- Set CURRENT to span from RHS[1] to RHS[N].


@@ -862,22 +955,22 @@ while (YYID (0))
 
 #define YYRHSLOC(Rhs, K) ((Rhs)[K])
 #ifndef YYLLOC_DEFAULT
 
 #define YYRHSLOC(Rhs, K) ((Rhs)[K])
 #ifndef YYLLOC_DEFAULT

-# define YYLLOC_DEFAULT(Current, Rhs, N)                               \
-    do                                                                 \
+# define YYLLOC_DEFAULT(Current, Rhs, N)                                \
+    do                                                                  \

       if (YYID (N))                                                    \
       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;                              \
-       }                                                               \
+        {                                                               \
+          (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
 
     while (YYID (0))
 #endif
 


@@ -887,11 +980,11 @@ while (YYID (0))
    we won't break user code: when these are the locations we know.  */
 
 #ifndef YY_LOCATION_PRINT
    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)
+# if defined YYLTYPE_IS_TRIVIAL && 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
 # else
 #  define YY_LOCATION_PRINT(File, Loc) ((void) 0)
 # endif


@@ -914,21 +1007,21 @@ while (YYID (0))
 #  define YYFPRINTF fprintf
 # endif
 
 #  define YYFPRINTF fprintf
 # endif
 

-# define YYDPRINTF(Args)                       \
-do {                                           \
-  if (yydebug)                                 \
-    YYFPRINTF Args;                            \
+# define YYDPRINTF(Args)                        \
+do {                                            \
+  if (yydebug)                                  \
+    YYFPRINTF Args;                             \

 } while (YYID (0))
 
 } while (YYID (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");                                                  \
-    }                                                                    \
+# 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))
 
 
 } while (YYID (0))
 
 


@@ -940,109 +1033,220 @@ do {                                                                     \
 #if (defined __STDC__ || defined __C99__FUNC__ \
      || defined __cplusplus || defined _MSC_VER)
 static void
 #if (defined __STDC__ || defined __C99__FUNC__ \
      || defined __cplusplus || defined _MSC_VER)
 static void

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

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

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

 #endif
 {
 #endif
 {

+  FILE *yyo = yyoutput;
+  YYUSE(yyo);
+  YYUSE (yylocationp);

   if (!yyvaluep)
     return;
   if (!yyvaluep)
     return;

-  YYUSE (yylocationp);

 # ifdef YYPRINT
   if (yytype < YYNTOKENS)
     YYPRINT (yyoutput, yytoknum[yytype], *yyvaluep);
 # ifdef YYPRINT
   if (yytype < YYNTOKENS)
     YYPRINT (yyoutput, yytoknum[yytype], *yyvaluep);

-# else
-  YYUSE (yyoutput);

 # endif
   switch (yytype)
     {
 # endif
   switch (yytype)
     {

-      case 3: /* "\"string\"" */
-#line 181 "parse-gram.y"
-       { fprintf (stderr, "\"%s\"", (yyvaluep->chars)); };
-#line 968 "parse-gram.c"
-       break;
-      case 4: /* "\"integer\"" */
-#line 193 "parse-gram.y"
-       { fprintf (stderr, "%d", (yyvaluep->integer)); };
-#line 973 "parse-gram.c"
-       break;
-      case 8: /* "\"%destructor {...}\"" */
-#line 183 "parse-gram.y"
-       { fprintf (stderr, "{\n%s\n}", (yyvaluep->chars)); };
-#line 978 "parse-gram.c"
-       break;
-      case 9: /* "\"%printer {...}\"" */
-#line 187 "parse-gram.y"
-       { fprintf (stderr, "{\n%s\n}", (yyvaluep->chars)); };
-#line 983 "parse-gram.c"
-       break;
-      case 10: /* "\"%union {...}\"" */
-#line 188 "parse-gram.y"
-       { fprintf (stderr, "{\n%s\n}", (yyvaluep->chars)); };
-#line 988 "parse-gram.c"
-       break;
-      case 26: /* "\"%initial-action {...}\"" */
-#line 184 "parse-gram.y"
-       { fprintf (stderr, "{\n%s\n}", (yyvaluep->chars)); };
-#line 993 "parse-gram.c"
-       break;
-      case 27: /* "\"%lex-param {...}\"" */
-#line 185 "parse-gram.y"
-       { fprintf (stderr, "{\n%s\n}", (yyvaluep->chars)); };
-#line 998 "parse-gram.c"
-       break;
-      case 34: /* "\"%parse-param {...}\"" */
-#line 186 "parse-gram.y"
-       { fprintf (stderr, "{\n%s\n}", (yyvaluep->chars)); };
-#line 1003 "parse-gram.c"
-       break;
-      case 42: /* "\"type\"" */
-#line 191 "parse-gram.y"
-       { fprintf (stderr, "<%s>", (yyvaluep->uniqstr)); };
-#line 1008 "parse-gram.c"
-       break;
-      case 46: /* "\"identifier\"" */
-#line 195 "parse-gram.y"
-       { fprintf (stderr, "%s", (yyvaluep->symbol)->tag); };
-#line 1013 "parse-gram.c"
-       break;
-      case 47: /* "\"identifier:\"" */
-#line 197 "parse-gram.y"
-       { fprintf (stderr, "%s:", (yyvaluep->symbol)->tag); };
-#line 1018 "parse-gram.c"
-       break;
-      case 49: /* "\"%{...%}\"" */
-#line 189 "parse-gram.y"
-       { fprintf (stderr, "{\n%s\n}", (yyvaluep->chars)); };
-#line 1023 "parse-gram.c"
-       break;
-      case 50: /* "\"epilogue\"" */
-#line 189 "parse-gram.y"
-       { fprintf (stderr, "{\n%s\n}", (yyvaluep->chars)); };
-#line 1028 "parse-gram.c"
-       break;
-      case 72: /* "symbol" */
-#line 195 "parse-gram.y"
-       { fprintf (stderr, "%s", (yyvaluep->symbol)->tag); };
-#line 1033 "parse-gram.c"
-       break;
-      case 75: /* "string_as_id" */
-#line 195 "parse-gram.y"
-       { fprintf (stderr, "%s", (yyvaluep->symbol)->tag); };
-#line 1038 "parse-gram.c"
-       break;
-      case 76: /* "string_content" */
-#line 181 "parse-gram.y"
-       { fprintf (stderr, "\"%s\"", (yyvaluep->chars)); };
-#line 1043 "parse-gram.c"
-       break;
+            case 3: // "string"
+
+/* Line 754 of yacc.c  */
+#line 194 "src/parse-gram.y"
+        { fputs (quotearg_style (c_quoting_style, ((*yyvaluep).chars)), stderr); }
+/* Line 754 of yacc.c  */
+#line 1064 "src/parse-gram.c"
+        break;
+
+            case 4: // "integer"
+
+/* Line 754 of yacc.c  */
+#line 207 "src/parse-gram.y"
+        { fprintf (stderr, "%d", ((*yyvaluep).integer)); }
+/* Line 754 of yacc.c  */
+#line 1073 "src/parse-gram.c"
+        break;
+
+            case 24: // "%<flag>"
+
+/* Line 754 of yacc.c  */
+#line 203 "src/parse-gram.y"
+        { fprintf (stderr, "%%%s", ((*yyvaluep).uniqstr)); }
+/* Line 754 of yacc.c  */
+#line 1082 "src/parse-gram.c"
+        break;
+
+            case 40: // "{...}"
+
+/* Line 754 of yacc.c  */
+#line 196 "src/parse-gram.y"
+        { fprintf (stderr, "{\n%s\n}", ((*yyvaluep).code)); }
+/* Line 754 of yacc.c  */
+#line 1091 "src/parse-gram.c"
+        break;
+
+            case 42: // "[identifier]"
+
+/* Line 754 of yacc.c  */
+#line 201 "src/parse-gram.y"
+        { fprintf (stderr, "[%s]", ((*yyvaluep).uniqstr)); }
+/* Line 754 of yacc.c  */
+#line 1100 "src/parse-gram.c"
+        break;
+
+            case 43: // "char"
+
+/* Line 754 of yacc.c  */
+#line 188 "src/parse-gram.y"
+        { fputs (char_name (((*yyvaluep).character)), stderr); }
+/* Line 754 of yacc.c  */
+#line 1109 "src/parse-gram.c"
+        break;
+
+            case 44: // "epilogue"
+
+/* Line 754 of yacc.c  */
+#line 196 "src/parse-gram.y"
+        { fprintf (stderr, "{\n%s\n}", ((*yyvaluep).chars)); }
+/* Line 754 of yacc.c  */
+#line 1118 "src/parse-gram.c"
+        break;
+
+            case 46: // "identifier"
+
+/* Line 754 of yacc.c  */
+#line 200 "src/parse-gram.y"
+        { fputs (((*yyvaluep).uniqstr), stderr); }
+/* Line 754 of yacc.c  */
+#line 1127 "src/parse-gram.c"
+        break;
+
+            case 47: // "identifier:"
+
+/* Line 754 of yacc.c  */
+#line 202 "src/parse-gram.y"
+        { fprintf (stderr, "%s:", ((*yyvaluep).uniqstr)); }
+/* Line 754 of yacc.c  */
+#line 1136 "src/parse-gram.c"
+        break;
+
+            case 50: // "%{...%}"
+
+/* Line 754 of yacc.c  */
+#line 196 "src/parse-gram.y"
+        { fprintf (stderr, "{\n%s\n}", ((*yyvaluep).chars)); }
+/* Line 754 of yacc.c  */
+#line 1145 "src/parse-gram.c"
+        break;
+
+            case 52: // "<tag>"
+
+/* Line 754 of yacc.c  */
+#line 204 "src/parse-gram.y"
+        { fprintf (stderr, "<%s>", ((*yyvaluep).uniqstr)); }
+/* Line 754 of yacc.c  */
+#line 1154 "src/parse-gram.c"
+        break;
+
+            case 55: // "%param"
+
+/* Line 754 of yacc.c  */
+#line 250 "src/parse-gram.y"
+        {
+  switch (((*yyvaluep).param))
+    {
+#define CASE(In, Out)                                           \
+      case param_ ## In: fputs ("%" #Out, stderr); break
+      CASE(lex,   lex-param);
+      CASE(parse, parse-param);
+      CASE(both,  param);
+#undef CASE
+      case param_none: aver (false); break;
+    }
+}
+/* Line 754 of yacc.c  */
+#line 1174 "src/parse-gram.c"
+        break;
+
+            case 72: // symbol.prec
+
+/* Line 754 of yacc.c  */
+#line 210 "src/parse-gram.y"
+        { fprintf (stderr, "%s", ((*yyvaluep).symbol)->tag); }
+/* Line 754 of yacc.c  */
+#line 1183 "src/parse-gram.c"
+        break;
+
+            case 85: // variable
+
+/* Line 754 of yacc.c  */
+#line 200 "src/parse-gram.y"
+        { fputs (((*yyvaluep).uniqstr), stderr); }
+/* Line 754 of yacc.c  */
+#line 1192 "src/parse-gram.c"
+        break;
+
+            case 86: // content.opt
+
+/* Line 754 of yacc.c  */
+#line 196 "src/parse-gram.y"
+        { fprintf (stderr, "{\n%s\n}", ((*yyvaluep).chars)); }
+/* Line 754 of yacc.c  */
+#line 1201 "src/parse-gram.c"
+        break;
+
+            case 87: // braceless
+
+/* Line 754 of yacc.c  */
+#line 196 "src/parse-gram.y"
+        { fprintf (stderr, "{\n%s\n}", ((*yyvaluep).chars)); }
+/* Line 754 of yacc.c  */
+#line 1210 "src/parse-gram.c"
+        break;
+
+            case 88: // id
+
+/* Line 754 of yacc.c  */
+#line 210 "src/parse-gram.y"
+        { fprintf (stderr, "%s", ((*yyvaluep).symbol)->tag); }
+/* Line 754 of yacc.c  */
+#line 1219 "src/parse-gram.c"
+        break;
+
+            case 89: // id_colon
+
+/* Line 754 of yacc.c  */
+#line 211 "src/parse-gram.y"
+        { fprintf (stderr, "%s:", ((*yyvaluep).symbol)->tag); }
+/* Line 754 of yacc.c  */
+#line 1228 "src/parse-gram.c"
+        break;
+
+            case 90: // symbol
+
+/* Line 754 of yacc.c  */
+#line 210 "src/parse-gram.y"
+        { fprintf (stderr, "%s", ((*yyvaluep).symbol)->tag); }
+/* Line 754 of yacc.c  */
+#line 1237 "src/parse-gram.c"
+        break;
+
+            case 91: // string_as_id
+
+/* Line 754 of yacc.c  */
+#line 210 "src/parse-gram.y"
+        { fprintf (stderr, "%s", ((*yyvaluep).symbol)->tag); }
+/* Line 754 of yacc.c  */
+#line 1246 "src/parse-gram.c"
+        break;
+

       default:
       default:

-       break;
+        break;

     }
 }
 
     }
 }
 


@@ -1054,14 +1258,14 @@ yy_symbol_value_print (yyoutput, yytype, yyvaluep, yylocationp)
 #if (defined __STDC__ || defined __C99__FUNC__ \
      || defined __cplusplus || defined _MSC_VER)
 static void
 #if (defined __STDC__ || defined __C99__FUNC__ \
      || defined __cplusplus || defined _MSC_VER)
 static void

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

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

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

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


@@ -1083,24 +1287,27 @@ yy_symbol_print (yyoutput, yytype, yyvaluep, yylocationp)
 #if (defined __STDC__ || defined __C99__FUNC__ \
      || defined __cplusplus || defined _MSC_VER)
 static void
 #if (defined __STDC__ || defined __C99__FUNC__ \
      || defined __cplusplus || defined _MSC_VER)
 static void

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

 #else
 static void
 #else
 static void

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

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

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

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

-# define YY_STACK_PRINT(Bottom, Top)                           \
-do {                                                           \
-  if (yydebug)                                                 \
-    yy_stack_print ((Bottom), (Top));                          \
+# define YY_STACK_PRINT(Bottom, Top)                            \
+do {                                                            \
+  if (yydebug)                                                  \
+    yy_stack_print ((Bottom), (Top));                           \

 } while (YYID (0))
 
 
 } while (YYID (0))
 
 


@@ -1111,36 +1318,37 @@ do {                                                            \
 #if (defined __STDC__ || defined __C99__FUNC__ \
      || defined __cplusplus || defined _MSC_VER)
 static void
 #if (defined __STDC__ || defined __C99__FUNC__ \
      || defined __cplusplus || defined _MSC_VER)
 static void

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

 #else
 static void
 #else
 static void

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

     YYSTYPE *yyvsp;
     YYLTYPE *yylsp;
     int yyrule;
 #endif
 {
     YYSTYPE *yyvsp;
     YYLTYPE *yylsp;
     int yyrule;
 #endif
 {

+  unsigned long int yylno = yyrline[yyrule];

   int yynrhs = yyr2[yyrule];
   int yyi;
   int yynrhs = yyr2[yyrule];
   int yyi;

-  unsigned long int yylno = yyrline[yyrule];

   YYFPRINTF (stderr, "Reducing stack by rule %d (line %lu):\n",
   YYFPRINTF (stderr, "Reducing stack by rule %d (line %lu):\n",

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

   /* The symbols being reduced.  */
   for (yyi = 0; yyi < yynrhs; yyi++)
     {
   /* The symbols being reduced.  */
   for (yyi = 0; yyi < yynrhs; yyi++)
     {

-      fprintf (stderr, "   $%d = ", yyi + 1);
-      yy_symbol_print (stderr, yyrhs[yyprhs[yyrule] + yyi],
-                      &(yyvsp[(yyi + 1) - (yynrhs)])
-                      , &(yylsp[(yyi + 1) - (yynrhs)])                );
-      fprintf (stderr, "\n");
+      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)                         \
-    yy_reduce_print (yyvsp, yylsp, Rule); \
+# define YY_REDUCE_PRINT(Rule)          \
+do {                                    \
+  if (yydebug)                          \
+    yy_reduce_print (yyssp, yyvsp, yylsp, Rule); \

 } while (YYID (0))
 
 /* Nonzero means print parse trace.  It is left uninitialized so that
 } while (YYID (0))
 
 /* Nonzero means print parse trace.  It is left uninitialized so that


@@ -1155,7 +1363,7 @@ int yydebug;
 
 
 /* YYINITDEPTH -- initial size of the parser's stacks.  */
 
 
 /* YYINITDEPTH -- initial size of the parser's stacks.  */

-#ifndef        YYINITDEPTH
+#ifndef YYINITDEPTH

 # define YYINITDEPTH 200
 #endif
 
 # define YYINITDEPTH 200
 #endif
 


@@ -1170,7 +1378,239 @@ int yydebug;
 # define YYMAXDEPTH 10000
 #endif
 
 # define YYMAXDEPTH 10000
 #endif
 

-\f
+/* Given a state stack such that *YYBOTTOM is its bottom, such that
+   *YYTOP is either its top or is YYTOP_EMPTY to indicate an empty
+   stack, and such that *YYCAPACITY is the maximum number of elements it
+   can hold without a reallocation, make sure there is enough room to
+   store YYADD more elements.  If not, allocate a new stack using
+   YYSTACK_ALLOC, copy the existing elements, and adjust *YYBOTTOM,
+   *YYTOP, and *YYCAPACITY to reflect the new capacity and memory
+   location.  If *YYBOTTOM != YYBOTTOM_NO_FREE, then free the old stack
+   using YYSTACK_FREE.  Return 0 if successful or if no reallocation is
+   required.  Return 1 if memory is exhausted.  */
+static int
+yy_lac_stack_realloc (YYSIZE_T *yycapacity, YYSIZE_T yyadd,
+#if YYDEBUG
+                      char const *yydebug_prefix,
+                      char const *yydebug_suffix,
+#endif
+                      yytype_int16 **yybottom,
+                      yytype_int16 *yybottom_no_free,
+                      yytype_int16 **yytop, yytype_int16 *yytop_empty)
+{
+  YYSIZE_T yysize_old =
+    *yytop == yytop_empty ? 0 : *yytop - *yybottom + 1;
+  YYSIZE_T yysize_new = yysize_old + yyadd;
+  if (*yycapacity < yysize_new)
+    {
+      YYSIZE_T yyalloc = 2 * yysize_new;
+      yytype_int16 *yybottom_new;
+      /* Use YYMAXDEPTH for maximum stack size given that the stack
+         should never need to grow larger than the main state stack
+         needs to grow without LAC.  */
+      if (YYMAXDEPTH < yysize_new)
+        {
+          YYDPRINTF ((stderr, "%smax size exceeded%s", yydebug_prefix,
+                      yydebug_suffix));
+          return 1;
+        }
+      if (YYMAXDEPTH < yyalloc)
+        yyalloc = YYMAXDEPTH;
+      yybottom_new =
+        (yytype_int16*) YYSTACK_ALLOC (yyalloc * sizeof *yybottom_new);
+      if (!yybottom_new)
+        {
+          YYDPRINTF ((stderr, "%srealloc failed%s", yydebug_prefix,
+                      yydebug_suffix));
+          return 1;
+        }
+      if (*yytop != yytop_empty)
+        {
+          YYCOPY (yybottom_new, *yybottom, yysize_old);
+          *yytop = yybottom_new + (yysize_old - 1);
+        }
+      if (*yybottom != yybottom_no_free)
+        YYSTACK_FREE (*yybottom);
+      *yybottom = yybottom_new;
+      *yycapacity = yyalloc;
+    }
+  return 0;
+}
+
+/* Establish the initial context for the current lookahead if no initial
+   context is currently established.
+
+   We define a context as a snapshot of the parser stacks.  We define
+   the initial context for a lookahead as the context in which the
+   parser initially examines that lookahead in order to select a
+   syntactic action.  Thus, if the lookahead eventually proves
+   syntactically unacceptable (possibly in a later context reached via a
+   series of reductions), the initial context can be used to determine
+   the exact set of tokens that would be syntactically acceptable in the
+   lookahead's place.  Moreover, it is the context after which any
+   further semantic actions would be erroneous because they would be
+   determined by a syntactically unacceptable token.
+
+   YY_LAC_ESTABLISH should be invoked when a reduction is about to be
+   performed in an inconsistent state (which, for the purposes of LAC,
+   includes consistent states that don't know they're consistent because
+   their default reductions have been disabled).  Iff there is a
+   lookahead token, it should also be invoked before reporting a syntax
+   error.  This latter case is for the sake of the debugging output.
+
+   For parse.lac=full, the implementation of YY_LAC_ESTABLISH is as
+   follows.  If no initial context is currently established for the
+   current lookahead, then check if that lookahead can eventually be
+   shifted if syntactic actions continue from the current context.
+   Report a syntax error if it cannot.  */
+#define YY_LAC_ESTABLISH                                         \
+do {                                                             \
+  if (!yy_lac_established)                                       \
+    {                                                            \
+      YYDPRINTF ((stderr,                                        \
+                  "LAC: initial context established for %s\n",   \
+                  yytname[yytoken]));                            \
+      yy_lac_established = 1;                                    \
+      {                                                          \
+        int yy_lac_status =                                      \
+          yy_lac (yyesa, &yyes, &yyes_capacity, yyssp, yytoken); \
+        if (yy_lac_status == 2)                                  \
+          goto yyexhaustedlab;                                   \
+        if (yy_lac_status == 1)                                  \
+          goto yyerrlab;                                         \
+      }                                                          \
+    }                                                            \
+} while (YYID (0))
+
+/* Discard any previous initial lookahead context because of Event,
+   which may be a lookahead change or an invalidation of the currently
+   established initial context for the current lookahead.
+
+   The most common example of a lookahead change is a shift.  An example
+   of both cases is syntax error recovery.  That is, a syntax error
+   occurs when the lookahead is syntactically erroneous for the
+   currently established initial context, so error recovery manipulates
+   the parser stacks to try to find a new initial context in which the
+   current lookahead is syntactically acceptable.  If it fails to find
+   such a context, it discards the lookahead.  */
+#if YYDEBUG
+# define YY_LAC_DISCARD(Event)                                           \
+do {                                                                     \
+  if (yy_lac_established)                                                \
+    {                                                                    \
+      if (yydebug)                                                       \
+        YYFPRINTF (stderr, "LAC: initial context discarded due to "      \
+                   Event "\n");                                          \
+      yy_lac_established = 0;                                            \
+    }                                                                    \
+} while (YYID (0))
+#else
+# define YY_LAC_DISCARD(Event) yy_lac_established = 0
+#endif
+
+/* Given the stack whose top is *YYSSP, return 0 iff YYTOKEN can
+   eventually (after perhaps some reductions) be shifted, return 1 if
+   not, or return 2 if memory is exhausted.  As preconditions and
+   postconditions: *YYES_CAPACITY is the allocated size of the array to
+   which *YYES points, and either *YYES = YYESA or *YYES points to an
+   array allocated with YYSTACK_ALLOC.  yy_lac may overwrite the
+   contents of either array, alter *YYES and *YYES_CAPACITY, and free
+   any old *YYES other than YYESA.  */
+static int
+yy_lac (yytype_int16 *yyesa, yytype_int16 **yyes,
+        YYSIZE_T *yyes_capacity, yytype_int16 *yyssp, int yytoken)
+{
+  yytype_int16 *yyes_prev = yyssp;
+  yytype_int16 *yyesp = yyes_prev;
+  YYDPRINTF ((stderr, "LAC: checking lookahead %s:", yytname[yytoken]));
+  if (yytoken == YYUNDEFTOK)
+    {
+      YYDPRINTF ((stderr, " Always Err\n"));
+      return 1;
+    }
+  while (1)
+    {
+      int yyrule = yypact[*yyesp];
+      if (yypact_value_is_default (yyrule)
+          || (yyrule += yytoken) < 0 || YYLAST < yyrule
+          || yycheck[yyrule] != yytoken)
+        {
+          yyrule = yydefact[*yyesp];
+          if (yyrule == 0)
+            {
+              YYDPRINTF ((stderr, " Err\n"));
+              return 1;
+            }
+        }
+      else
+        {
+          yyrule = yytable[yyrule];
+          if (yytable_value_is_error (yyrule))
+            {
+              YYDPRINTF ((stderr, " Err\n"));
+              return 1;
+            }
+          if (0 < yyrule)
+            {
+              YYDPRINTF ((stderr, " S%d\n", yyrule));
+              return 0;
+            }
+          yyrule = -yyrule;
+        }
+      {
+        YYSIZE_T yylen = yyr2[yyrule];
+        YYDPRINTF ((stderr, " R%d", yyrule - 1));
+        if (yyesp != yyes_prev)
+          {
+            YYSIZE_T yysize = yyesp - *yyes + 1;
+            if (yylen < yysize)
+              {
+                yyesp -= yylen;
+                yylen = 0;
+              }
+            else
+              {
+                yylen -= yysize;
+                yyesp = yyes_prev;
+              }
+          }
+        if (yylen)
+          yyesp = yyes_prev -= yylen;
+      }
+      {
+        int yystate;
+        {
+          int yylhs = yyr1[yyrule] - YYNTOKENS;
+          yystate = yypgoto[yylhs] + *yyesp;
+          if (yystate < 0 || YYLAST < yystate
+              || yycheck[yystate] != *yyesp)
+            yystate = yydefgoto[yylhs];
+          else
+            yystate = yytable[yystate];
+        }
+        if (yyesp == yyes_prev)
+          {
+            yyesp = *yyes;
+            *yyesp = yystate;
+          }
+        else
+          {
+            if (yy_lac_stack_realloc (yyes_capacity, 1,
+#if YYDEBUG
+                                      " (", ")",
+#endif
+                                      yyes, yyesa, &yyesp, yyes_prev))
+              {
+                YYDPRINTF ((stderr, "\n"));
+                return 2;
+              }
+            *++yyesp = yystate;
+          }
+        YYDPRINTF ((stderr, " G%d", yystate));
+      }
+    }
+}
+

 
 #if YYERROR_VERBOSE
 
 
 #if YYERROR_VERBOSE
 


@@ -1238,31 +1678,31 @@ yytnamerr (char *yyres, const char *yystr)
 {
   if (*yystr == '"')
     {
 {
   if (*yystr == '"')
     {

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

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

-       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;
-         }
+        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: ;
     }
 
     do_not_strip_quotes: ;
     }
 


@@ -1273,115 +1713,147 @@ yytnamerr (char *yyres, const char *yystr)
 }
 # endif
 
 }
 # endif
 

-/* Copy into YYRESULT an error message about the unexpected token
-   YYCHAR while in state YYSTATE.  Return the number of bytes copied,
-   including the terminating null byte.  If YYRESULT is null, do not
-   copy anything; just return the number of bytes that would be
-   copied.  As a special case, return 0 if an ordinary "syntax error"
-   message will do.  Return YYSIZE_MAXIMUM if overflow occurs during
-   size calculation.  */
-static YYSIZE_T
-yysyntax_error (char *yyresult, int yystate, int yychar)
-{
-  int yyn = yypact[yystate];
+/* Copy into *YYMSG, which is of size *YYMSG_ALLOC, an error message
+   about the unexpected token YYTOKEN for the state stack whose top is
+   YYSSP.  In order to see if a particular token T is a
+   valid looakhead, invoke yy_lac (YYESA, YYES, YYES_CAPACITY, YYSSP, T).

 
 

-  if (! (YYPACT_NINF < yyn && yyn < YYLAST))
-    return 0;
-  else
+   Return 0 if *YYMSG was successfully written.  Return 1 if *YYMSG is
+   not large enough to hold the message.  In that case, also set
+   *YYMSG_ALLOC to the required number of bytes.  Return 2 if the
+   required number of bytes is too large to store or if
+   yy_lac returned 2.  */
+static int
+yysyntax_error (YYSIZE_T *yymsg_alloc, char **yymsg,
+                yytype_int16 *yyesa, yytype_int16 **yyes,
+                YYSIZE_T *yyes_capacity, yytype_int16 *yyssp, int yytoken)
+{
+  YYSIZE_T yysize0 = yytnamerr (YY_NULL, yytname[yytoken]);
+  YYSIZE_T yysize = yysize0;
+  YYSIZE_T yysize1;
+  enum { YYERROR_VERBOSE_ARGS_MAXIMUM = 5 };
+  /* Internationalized format string. */
+  const char *yyformat = YY_NULL;
+  /* Arguments of yyformat. */
+  char const *yyarg[YYERROR_VERBOSE_ARGS_MAXIMUM];
+  /* Number of reported tokens (one for the "unexpected", one per
+     "expected"). */
+  int yycount = 0;
+
+  /* There are many possibilities here to consider:
+     - Assume YYFAIL is not used.  It's too flawed to consider.  See
+       <http://lists.gnu.org/archive/html/bison-patches/2009-12/msg00024.html>
+       for details.  YYERROR is fine as it does not invoke this
+       function.
+     - If this state is a consistent state with a default action, then
+       the only way this function was invoked is if the default action
+       is an error action.  In that case, don't check for expected
+       tokens because there are none.
+     - The only way there can be no lookahead present (in yychar) is if
+       this state is a consistent state with a default action.  Thus,
+       detecting the absence of a lookahead is sufficient to determine
+       that there is no unexpected or expected token to report.  In that
+       case, just report a simple "syntax error".
+     - Don't assume there isn't a lookahead just because this state is a
+       consistent state with a default action.  There might have been a
+       previous inconsistent state, consistent state with a non-default
+       action, or user semantic action that manipulated yychar.
+       In the first two cases, it might appear that the current syntax
+       error should have been detected in the previous state when yy_lac
+       was invoked.  However, at that time, there might have been a
+       different syntax error that discarded a different initial context
+       during error recovery, leaving behind the current lookahead.
+  */
+  if (yytoken != YYEMPTY)

     {
     {

-      int yytype = YYTRANSLATE (yychar);
-      YYSIZE_T yysize0 = yytnamerr (0, yytname[yytype]);
-      YYSIZE_T yysize = yysize0;
-      YYSIZE_T yysize1;
-      int yysize_overflow = 0;
-      enum { YYERROR_VERBOSE_ARGS_MAXIMUM = 5 };
-      char const *yyarg[YYERROR_VERBOSE_ARGS_MAXIMUM];
-      int yyx;
-
-# if 0
-      /* This is so xgettext sees the translatable formats that are
-        constructed on the fly.  */
-      YY_("syntax error, unexpected %s");
-      YY_("syntax error, unexpected %s, expecting %s");
-      YY_("syntax error, unexpected %s, expecting %s or %s");
-      YY_("syntax error, unexpected %s, expecting %s or %s or %s");
-      YY_("syntax error, unexpected %s, expecting %s or %s or %s or %s");
+      int yyn = yypact[*yyssp];
+      YYDPRINTF ((stderr, "Constructing syntax error message\n"));
+      yyarg[yycount++] = yytname[yytoken];
+      if (!yypact_value_is_default (yyn))
+        {
+          int yyx;
+
+          for (yyx = 0; yyx < YYNTOKENS; ++yyx)
+            if (yyx != YYTERROR && yyx != YYUNDEFTOK)
+              {
+                {
+                  int yy_lac_status = yy_lac (yyesa, yyes, yyes_capacity,
+                                              yyssp, yyx);
+                  if (yy_lac_status == 2)
+                    return 2;
+                  if (yy_lac_status == 1)
+                    continue;
+                }
+                if (yycount == YYERROR_VERBOSE_ARGS_MAXIMUM)
+                  {
+                    yycount = 1;
+                    yysize = yysize0;
+                    break;
+                  }
+                yyarg[yycount++] = yytname[yyx];
+                yysize1 = yysize + yytnamerr (YY_NULL, yytname[yyx]);
+                if (! (yysize <= yysize1
+                       && yysize1 <= YYSTACK_ALLOC_MAXIMUM))
+                  return 2;
+                yysize = yysize1;
+              }
+        }
+# if YYDEBUG
+      else if (yydebug)
+        YYFPRINTF (stderr, "No expected tokens.\n");

 # endif
 # endif

-      char *yyfmt;
-      char const *yyf;
-      static char const yyunexpected[] = "syntax error, unexpected %s";
-      static char const yyexpecting[] = ", expecting %s";
-      static char const yyor[] = " or %s";
-      char yyformat[sizeof yyunexpected
-                   + sizeof yyexpecting - 1
-                   + ((YYERROR_VERBOSE_ARGS_MAXIMUM - 2)
-                      * (sizeof yyor - 1))];
-      char const *yyprefix = yyexpecting;
-
-      /* Start YYX at -YYN if negative to avoid negative indexes in
-        YYCHECK.  */
-      int yyxbegin = yyn < 0 ? -yyn : 0;
-
-      /* Stay within bounds of both yycheck and yytname.  */
-      int yychecklim = YYLAST - yyn;
-      int yyxend = yychecklim < YYNTOKENS ? yychecklim : YYNTOKENS;
-      int yycount = 1;
-
-      yyarg[0] = yytname[yytype];
-      yyfmt = yystpcpy (yyformat, yyunexpected);
-
-      for (yyx = yyxbegin; yyx < yyxend; ++yyx)
-       if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR)
-         {
-           if (yycount == YYERROR_VERBOSE_ARGS_MAXIMUM)
-             {
-               yycount = 1;
-               yysize = yysize0;
-               yyformat[sizeof yyunexpected - 1] = '\0';
-               break;
-             }
-           yyarg[yycount++] = yytname[yyx];
-           yysize1 = yysize + yytnamerr (0, yytname[yyx]);
-           yysize_overflow |= (yysize1 < yysize);
-           yysize = yysize1;
-           yyfmt = yystpcpy (yyfmt, yyprefix);
-           yyprefix = yyor;
-         }
-
-      yyf = YY_(yyformat);
-      yysize1 = yysize + yystrlen (yyf);
-      yysize_overflow |= (yysize1 < yysize);
-      yysize = yysize1;
-
-      if (yysize_overflow)
-       return YYSIZE_MAXIMUM;
-
-      if (yyresult)
-       {
-         /* Avoid sprintf, as that infringes on the user's name space.
-            Don't have undefined behavior even if the translation
-            produced a string with the wrong number of "%s"s.  */
-         char *yyp = yyresult;
-         int yyi = 0;
-         while ((*yyp = *yyf) != '\0')
-           {
-             if (*yyp == '%' && yyf[1] == 's' && yyi < yycount)
-               {
-                 yyp += yytnamerr (yyp, yyarg[yyi++]);
-                 yyf += 2;
-               }
-             else
-               {
-                 yyp++;
-                 yyf++;
-               }
-           }
-       }
-      return yysize;

     }
     }

+
+  switch (yycount)
+    {
+# define YYCASE_(N, S)                      \
+      case N:                               \
+        yyformat = S;                       \
+      break
+      YYCASE_(0, YY_("syntax error"));
+      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);
+  if (! (yysize <= yysize1 && yysize1 <= YYSTACK_ALLOC_MAXIMUM))
+    return 2;
+  yysize = yysize1;
+
+  if (*yymsg_alloc < yysize)
+    {
+      *yymsg_alloc = 2 * yysize;
+      if (! (yysize <= *yymsg_alloc
+             && *yymsg_alloc <= YYSTACK_ALLOC_MAXIMUM))
+        *yymsg_alloc = YYSTACK_ALLOC_MAXIMUM;
+      return 1;
+    }
+
+  /* Avoid sprintf, as that infringes on the user's name space.
+     Don't have undefined behavior even if the translation
+     produced a string with the wrong number of "%s"s.  */
+  {
+    char *yyp = *yymsg;
+    int yyi = 0;
+    while ((*yyp = *yyformat) != '\0')
+      if (*yyp == '%' && yyformat[1] == 's' && yyi < yycount)
+        {
+          yyp += yytnamerr (yyp, yyarg[yyi++]);
+          yyformat += 2;
+        }
+      else
+        {
+          yyp++;
+          yyformat++;
+        }
+  }
+  return 0;

 }
 #endif /* YYERROR_VERBOSE */
 }
 #endif /* YYERROR_VERBOSE */

-\f

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


@@ -1401,39 +1873,18 @@ yydestruct (yymsg, yytype, yyvaluep, yylocationp)
     YYLTYPE *yylocationp;
 #endif
 {
     YYLTYPE *yylocationp;
 #endif
 {

-  YYUSE (yyvaluep);
+  YYUSE(yyvaluep);

   YYUSE (yylocationp);
   YYUSE (yylocationp);

-

   if (!yymsg)
     yymsg = "Deleting";
   YY_SYMBOL_PRINT (yymsg, yytype, yyvaluep, yylocationp);
 
   switch (yytype)
     {
   if (!yymsg)
     yymsg = "Deleting";
   YY_SYMBOL_PRINT (yymsg, yytype, yyvaluep, yylocationp);
 
   switch (yytype)
     {

-

       default:
       default:

-       break;
+        break;

     }
 }
     }
 }

-\f
-
-/* Prevent warnings from -Wmissing-prototypes.  */
-
-#ifdef YYPARSE_PARAM
-#if defined __STDC__ || defined __cplusplus
-int yyparse (void *YYPARSE_PARAM);
-#else
-int yyparse ();
-#endif
-#else /* ! YYPARSE_PARAM */
-#if defined __STDC__ || defined __cplusplus
-int yyparse (void);
-#else
-int yyparse ();
-#endif
-#endif /* ! YYPARSE_PARAM */
-
-

 
 
 
 
 
 


@@ -1464,103 +1915,122 @@ yyparse ()
 #endif
 #endif
 {
 #endif
 #endif
 {

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

 int yychar;
 
 int yychar;
 

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

 YYSTYPE yylval;
 
 YYSTYPE yylval;
 

-/* Number of syntax errors so far.  */
-int yynerrs;
-/* Location data for the look-ahead symbol.  */
+/* Location data for the lookahead symbol.  */

 YYLTYPE yylloc;
 
 YYLTYPE yylloc;
 

-  int yystate;
-  int yyn;
-  int yyresult;
-  /* Number of tokens to shift before error messages enabled.  */
-  int yyerrstatus;
-  /* Look-ahead token as an internal (translated) token number.  */
-  int yytoken = 0;
-#if YYERROR_VERBOSE
-  /* Buffer for error messages, and its allocated size.  */
-  char yymsgbuf[128];
-  char *yymsg = yymsgbuf;
-  YYSIZE_T yymsg_alloc = sizeof yymsgbuf;
-#endif
+    /* 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.  */
-  yytype_int16 yyssa[YYINITDEPTH];
-  yytype_int16 *yyss = yyssa;
-  yytype_int16 *yyssp;
+       Refer to the stacks through separate pointers, to allow yyoverflow
+       to reallocate them elsewhere.  */

 
 

-  /* The semantic value stack.  */
-  YYSTYPE yyvsa[YYINITDEPTH];
-  YYSTYPE *yyvs = yyvsa;
-  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 locations where the error started and ended.  */
-  YYLTYPE yyerror_range[2];
+    /* The semantic value stack.  */
+    YYSTYPE yyvsa[YYINITDEPTH];
+    YYSTYPE *yyvs;
+    YYSTYPE *yyvsp;

 
 

-#define YYPOPSTACK(N)   (yyvsp -= (N), yyssp -= (N), yylsp -= (N))
+    /* 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[3];

 
 

+    YYSIZE_T yystacksize;
+
+    yytype_int16 yyesa[20];
+    yytype_int16 *yyes;
+    YYSIZE_T yyes_capacity;
+
+  int yy_lac_established = 0;
+  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;
 

+#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;
 
   /* 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;
+
+  yyes = yyesa;
+  yyes_capacity = sizeof yyesa / sizeof *yyes;
+  if (YYMAXDEPTH < yyes_capacity)
+    yyes_capacity = YYMAXDEPTH;
+

   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
+
+#if defined YYLTYPE_IS_TRIVIAL && YYLTYPE_IS_TRIVIAL

   /* Initialize the default location before parsing starts.  */
   yylloc.first_line   = yylloc.last_line   = 1;
   /* Initialize the default location before parsing starts.  */
   yylloc.first_line   = yylloc.last_line   = 1;

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

 #endif
 
 #endif
 

-
-  /* User initialization code.  */
-#line 85 "parse-gram.y"
+/* User initialization code.  */
+/* Line 1519 of yacc.c  */
+#line 99 "src/parse-gram.y"

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

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

 }
 }

-/* Line 1081 of yacc.c.  */
-#line 1563 "parse-gram.c"
+/* Line 1519 of yacc.c  */
+#line 2032 "src/parse-gram.c"

   yylsp[0] = yylloc;
   yylsp[0] = yylloc;

+

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


@@ -1581,25 +2051,26 @@ YYLTYPE yylloc;
 
 #ifdef yyoverflow
       {
 
 #ifdef yyoverflow
       {

-       /* 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;
-       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.  */
-       yyoverflow (YY_("memory exhausted"),
-                   &yyss1, yysize * sizeof (*yyssp),
-                   &yyvs1, yysize * sizeof (*yyvsp),
-                   &yyls1, yysize * sizeof (*yylsp),
-                   &yystacksize);
-       yyls = yyls1;
-       yyss = yyss1;
-       yyvs = yyvs1;
+        /* 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;
+        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.  */
+        yyoverflow (YY_("memory exhausted"),
+                    &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
       }
 #else /* no yyoverflow */
 # ifndef YYSTACK_RELOCATE


@@ -1607,23 +2078,23 @@ YYLTYPE yylloc;
 # else
       /* Extend the stack our own way.  */
       if (YYMAXDEPTH <= yystacksize)
 # else
       /* Extend the stack our own way.  */
       if (YYMAXDEPTH <= yystacksize)

-       goto yyexhaustedlab;
+        goto yyexhaustedlab;

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

-       yystacksize = YYMAXDEPTH;
+        yystacksize = YYMAXDEPTH;

 
       {
 
       {

-       yytype_int16 *yyss1 = yyss;
-       union yyalloc *yyptr =
-         (union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize));
-       if (! yyptr)
-         goto yyexhaustedlab;
-       YYSTACK_RELOCATE (yyss);
-       YYSTACK_RELOCATE (yyvs);
-       YYSTACK_RELOCATE (yyls);
+        yytype_int16 *yyss1 = yyss;
+        union yyalloc *yyptr =
+          (union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize));
+        if (! yyptr)
+          goto yyexhaustedlab;
+        YYSTACK_RELOCATE (yyss_alloc, yyss);
+        YYSTACK_RELOCATE (yyvs_alloc, yyvs);
+        YYSTACK_RELOCATE (yyls_alloc, yyls);

 #  undef YYSTACK_RELOCATE
 #  undef YYSTACK_RELOCATE

-       if (yyss1 != yyssa)
-         YYSTACK_FREE (yyss1);
+        if (yyss1 != yyssa)
+          YYSTACK_FREE (yyss1);

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


@@ -1633,14 +2104,17 @@ YYLTYPE yylloc;
       yylsp = yyls + yysize - 1;
 
       YYDPRINTF ((stderr, "Stack size increased to %lu\n",
       yylsp = yyls + yysize - 1;
 
       YYDPRINTF ((stderr, "Stack size increased to %lu\n",

-                 (unsigned long int) yystacksize));
+                  (unsigned long int) yystacksize));

 
       if (yyss + yystacksize - 1 <= yyssp)
 
       if (yyss + yystacksize - 1 <= yyssp)

-       YYABORT;
+        YYABORT;

     }
 
   YYDPRINTF ((stderr, "Entering state %d\n", yystate));
 
     }
 
   YYDPRINTF ((stderr, "Entering state %d\n", yystate));
 

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

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


@@ -1649,16 +2123,16 @@ YYLTYPE yylloc;
 yybackup:
 
   /* Do appropriate processing given the current state.  Read a
 yybackup:
 
   /* Do appropriate processing given the current state.  Read a

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

 
 

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

   yyn = yypact[yystate];
   yyn = yypact[yystate];

-  if (yyn == YYPACT_NINF)
+  if (yypact_value_is_default (yyn))

     goto yydefault;
 
     goto yydefault;
 

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

 
 

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

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


@@ -1680,30 +2154,31 @@ yybackup:
      detect an error, take that action.  */
   yyn += yytoken;
   if (yyn < 0 || YYLAST < yyn || yycheck[yyn] != yytoken)
      detect an error, take that action.  */
   yyn += yytoken;
   if (yyn < 0 || YYLAST < yyn || yycheck[yyn] != yytoken)

-    goto yydefault;
+    {
+      YY_LAC_ESTABLISH;
+      goto yydefault;
+    }

   yyn = yytable[yyn];
   if (yyn <= 0)
     {
   yyn = yytable[yyn];
   if (yyn <= 0)
     {

-      if (yyn == 0 || yyn == YYTABLE_NINF)
-       goto yyerrlab;
+      if (yytable_value_is_error (yyn))
+        goto yyerrlab;
+      YY_LAC_ESTABLISH;

       yyn = -yyn;
       goto yyreduce;
     }
 
       yyn = -yyn;
       goto yyreduce;
     }
 

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

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

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

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

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

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


@@ -1741,413 +2216,896 @@ yyreduce:
   /* Default location.  */
   YYLLOC_DEFAULT (yyloc, (yylsp - yylen), yylen);
   YY_REDUCE_PRINT (yyn);
   /* Default location.  */
   YYLLOC_DEFAULT (yyloc, (yylsp - yylen), yylen);
   YY_REDUCE_PRINT (yyn);

-  switch (yyn)
+  {
+    int yychar_backup = yychar;
+    switch (yyn)
+      {
+          case 6:
+/* Line 1735 of yacc.c  */
+#line 286 "src/parse-gram.y"

     {
     {

-        case 6:
-#line 218 "parse-gram.y"
-    { prologue_augment ((yyvsp[(1) - (1)].chars), (yylsp[(1) - (1)])); }
+      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 1735 of yacc.c  */
+#line 2237 "src/parse-gram.c"

     break;
 
   case 7:
     break;
 
   case 7:

-#line 219 "parse-gram.y"
-    { debug_flag = true; }
+/* Line 1735 of yacc.c  */
+#line 296 "src/parse-gram.y"
+    {
+      muscle_percent_define_ensure ((yyvsp[0].uniqstr), (yylsp[0]), true);
+    }
+/* Line 1735 of yacc.c  */
+#line 2247 "src/parse-gram.c"

     break;
 
   case 8:
     break;
 
   case 8:

-#line 221 "parse-gram.y"
+/* Line 1735 of yacc.c  */
+#line 300 "src/parse-gram.y"

     {
     {

-      static char one[] = "1";
-      muscle_insert ((yyvsp[(2) - (2)].chars), one);
+      muscle_percent_define_insert ((yyvsp[-1].uniqstr), (yylsp[-1]), (yyvsp[0].chars),
+                                    MUSCLE_PERCENT_DEFINE_GRAMMAR_FILE);

     }
     }

+/* Line 1735 of yacc.c  */
+#line 2258 "src/parse-gram.c"

     break;
 
   case 9:
     break;
 
   case 9:

-#line 225 "parse-gram.y"
-    { muscle_insert ((yyvsp[(2) - (3)].chars), (yyvsp[(3) - (3)].chars)); }
+/* Line 1735 of yacc.c  */
+#line 304 "src/parse-gram.y"
+    { defines_flag = true; }
+/* Line 1735 of yacc.c  */
+#line 2266 "src/parse-gram.c"

     break;
 
   case 10:
     break;
 
   case 10:

-#line 226 "parse-gram.y"
-    { defines_flag = true; }
+/* Line 1735 of yacc.c  */
+#line 306 "src/parse-gram.y"
+    {
+      defines_flag = true;
+      spec_defines_file = xstrdup ((yyvsp[0].chars));
+    }
+/* Line 1735 of yacc.c  */
+#line 2277 "src/parse-gram.c"

     break;
 
   case 11:
     break;
 
   case 11:

-#line 227 "parse-gram.y"
-    { error_verbose = true; }
+/* Line 1735 of yacc.c  */
+#line 311 "src/parse-gram.y"
+    {
+      muscle_percent_define_insert ("parse.error", (yylsp[0]), "verbose",
+                                    MUSCLE_PERCENT_DEFINE_GRAMMAR_FILE);
+    }
+/* Line 1735 of yacc.c  */
+#line 2288 "src/parse-gram.c"

     break;
 
   case 12:
     break;
 
   case 12:

-#line 228 "parse-gram.y"
-    { expected_sr_conflicts = (yyvsp[(2) - (2)].integer); }
+/* Line 1735 of yacc.c  */
+#line 315 "src/parse-gram.y"
+    { expected_sr_conflicts = (yyvsp[0].integer); }
+/* Line 1735 of yacc.c  */
+#line 2296 "src/parse-gram.c"

     break;
 
   case 13:
     break;
 
   case 13:

-#line 229 "parse-gram.y"
-    { expected_rr_conflicts = (yyvsp[(2) - (2)].integer); }
+/* Line 1735 of yacc.c  */
+#line 316 "src/parse-gram.y"
+    { expected_rr_conflicts = (yyvsp[0].integer); }
+/* Line 1735 of yacc.c  */
+#line 2304 "src/parse-gram.c"

     break;
 
   case 14:
     break;
 
   case 14:

-#line 230 "parse-gram.y"
-    { spec_file_prefix = (yyvsp[(3) - (3)].chars); }
+/* Line 1735 of yacc.c  */
+#line 317 "src/parse-gram.y"
+    { spec_file_prefix = (yyvsp[0].chars); }
+/* Line 1735 of yacc.c  */
+#line 2312 "src/parse-gram.c"

     break;
 
   case 15:
     break;
 
   case 15:

-#line 232 "parse-gram.y"
-    {
-      nondeterministic_parser = true;
-      glr_parser = true;
-    }
+/* Line 1735 of yacc.c  */
+#line 318 "src/parse-gram.y"
+    { spec_file_prefix = (yyvsp[0].chars); }
+/* Line 1735 of yacc.c  */
+#line 2320 "src/parse-gram.c"

     break;
 
   case 16:
     break;
 
   case 16:

-#line 237 "parse-gram.y"
+/* Line 1735 of yacc.c  */
+#line 320 "src/parse-gram.y"

     {
     {

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

     }
     }

+/* Line 1735 of yacc.c  */
+#line 2331 "src/parse-gram.c"

     break;
 
   case 17:
     break;
 
   case 17:

-#line 240 "parse-gram.y"
-    { add_param ("lex_param", (yyvsp[(1) - (1)].chars), (yylsp[(1) - (1)])); }
+/* Line 1735 of yacc.c  */
+#line 325 "src/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 1735 of yacc.c  */
+#line 2346 "src/parse-gram.c"

     break;
 
   case 18:
     break;
 
   case 18:

-#line 241 "parse-gram.y"
-    { locations_flag = true; }
+/* Line 1735 of yacc.c  */
+#line 333 "src/parse-gram.y"
+    { language_argmatch ((yyvsp[0].chars), grammar_prio, (yylsp[-1])); }
+/* Line 1735 of yacc.c  */
+#line 2354 "src/parse-gram.c"

     break;
 
   case 19:
     break;
 
   case 19:

-#line 242 "parse-gram.y"
-    { spec_name_prefix = (yyvsp[(3) - (3)].chars); }
+/* Line 1735 of yacc.c  */
+#line 334 "src/parse-gram.y"
+    { spec_name_prefix = (yyvsp[0].chars); }
+/* Line 1735 of yacc.c  */
+#line 2362 "src/parse-gram.c"

     break;
 
   case 20:
     break;
 
   case 20:

-#line 243 "parse-gram.y"
-    { no_lines_flag = true; }
+/* Line 1735 of yacc.c  */
+#line 335 "src/parse-gram.y"
+    { spec_name_prefix = (yyvsp[0].chars); }
+/* Line 1735 of yacc.c  */
+#line 2370 "src/parse-gram.c"

     break;
 
   case 21:
     break;
 
   case 21:

-#line 244 "parse-gram.y"
-    { nondeterministic_parser = true; }
+/* Line 1735 of yacc.c  */
+#line 336 "src/parse-gram.y"
+    { no_lines_flag = true; }
+/* Line 1735 of yacc.c  */
+#line 2378 "src/parse-gram.c"

     break;
 
   case 22:
     break;
 
   case 22:

-#line 245 "parse-gram.y"
-    { spec_outfile = (yyvsp[(3) - (3)].chars); }
+/* Line 1735 of yacc.c  */
+#line 337 "src/parse-gram.y"
+    { nondeterministic_parser = true; }
+/* Line 1735 of yacc.c  */
+#line 2386 "src/parse-gram.c"

     break;
 
   case 23:
     break;
 
   case 23:

-#line 246 "parse-gram.y"
-    { add_param ("parse_param", (yyvsp[(1) - (1)].chars), (yylsp[(1) - (1)])); }
+/* Line 1735 of yacc.c  */
+#line 338 "src/parse-gram.y"
+    { spec_outfile = (yyvsp[0].chars); }
+/* Line 1735 of yacc.c  */
+#line 2394 "src/parse-gram.c"

     break;
 
   case 24:
     break;
 
   case 24:

-#line 247 "parse-gram.y"
-    { pure_parser = true; }
+/* Line 1735 of yacc.c  */
+#line 339 "src/parse-gram.y"
+    { spec_outfile = (yyvsp[0].chars); }
+/* Line 1735 of yacc.c  */
+#line 2402 "src/parse-gram.c"

     break;
 
   case 25:
     break;
 
   case 25:

-#line 248 "parse-gram.y"
-    { version_check (&(yylsp[(2) - (2)]), (yyvsp[(2) - (2)].chars)); }
+/* Line 1735 of yacc.c  */
+#line 340 "src/parse-gram.y"
+    { current_param = (yyvsp[0].param); }
+/* Line 1735 of yacc.c  */
+#line 2410 "src/parse-gram.c"

     break;
 
   case 26:
     break;
 
   case 26:

-#line 249 "parse-gram.y"
-    { skeleton = (yyvsp[(2) - (2)].chars); }
+/* Line 1735 of yacc.c  */
+#line 340 "src/parse-gram.y"
+    { current_param = param_none; }
+/* Line 1735 of yacc.c  */
+#line 2418 "src/parse-gram.c"

     break;
 
   case 27:
     break;
 
   case 27:

-#line 250 "parse-gram.y"
-    { token_table_flag = true; }
+/* Line 1735 of yacc.c  */
+#line 341 "src/parse-gram.y"
+    { version_check (&(yylsp[0]), (yyvsp[0].chars)); }
+/* Line 1735 of yacc.c  */
+#line 2426 "src/parse-gram.c"

     break;
 
   case 28:
     break;
 
   case 28:

-#line 251 "parse-gram.y"
-    { report_flag = report_states; }
+/* Line 1735 of yacc.c  */
+#line 343 "src/parse-gram.y"
+    {
+      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)
+            {
+              memcpy (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 1735 of yacc.c  */
+#line 2456 "src/parse-gram.c"

     break;
 
   case 29:
     break;
 
   case 29:

-#line 252 "parse-gram.y"
+/* Line 1735 of yacc.c  */
+#line 366 "src/parse-gram.y"
+    { token_table_flag = true; }
+/* Line 1735 of yacc.c  */
+#line 2464 "src/parse-gram.c"
+    break;
+
+  case 30:
+/* Line 1735 of yacc.c  */
+#line 367 "src/parse-gram.y"
+    { report_flag |= report_states; }
+/* Line 1735 of yacc.c  */
+#line 2472 "src/parse-gram.c"
+    break;
+
+  case 31:
+/* Line 1735 of yacc.c  */
+#line 368 "src/parse-gram.y"

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

+/* Line 1735 of yacc.c  */
+#line 2480 "src/parse-gram.c"

     break;
 
   case 33:
     break;
 
   case 33:

-#line 260 "parse-gram.y"
-    {
-      grammar_start_symbol_set ((yyvsp[(2) - (2)].symbol), (yylsp[(2) - (2)]));
-    }
+/* Line 1735 of yacc.c  */
+#line 373 "src/parse-gram.y"
+    { add_param (current_param, (yyvsp[0].code), (yylsp[0])); }
+/* Line 1735 of yacc.c  */
+#line 2488 "src/parse-gram.c"

     break;
 
   case 34:
     break;
 
   case 34:

-#line 264 "parse-gram.y"
+/* Line 1735 of yacc.c  */
+#line 374 "src/parse-gram.y"
+    { add_param (current_param, (yyvsp[0].code), (yylsp[0])); }
+/* Line 1735 of yacc.c  */
+#line 2496 "src/parse-gram.c"
+    break;
+
+  case 37:
+/* Line 1735 of yacc.c  */
+#line 386 "src/parse-gram.y"

     {
     {

-      char const *body = (yyvsp[(1) - (1)].chars);
-
-      if (typed)
-       {
-         /* Concatenate the union bodies, turning the first one's
-            trailing '}' into '\n', and omitting the second one's '{'.  */
-         char *code = muscle_find ("stype");
-         code[strlen (code) - 1] = '\n';
-         body++;
-       }
-
-      typed = true;
-      muscle_code_grow ("stype", body, (yylsp[(1) - (1)]));
+      grammar_start_symbol_set ((yyvsp[0].symbol), (yylsp[0]));

     }
     }

+/* Line 1735 of yacc.c  */
+#line 2506 "src/parse-gram.c"

     break;
 
     break;
 

-  case 35:
-#line 280 "parse-gram.y"
+  case 38:
+/* Line 1735 of yacc.c  */
+#line 390 "src/parse-gram.y"

     {
       symbol_list *list;
     {
       symbol_list *list;

-      for (list = (yyvsp[(2) - (2)].list); list; list = list->next)
-       symbol_destructor_set (list->sym, (yyvsp[(1) - (2)].chars), (yylsp[(1) - (2)]));
-      symbol_list_free ((yyvsp[(2) - (2)].list));
+      for (list = (yyvsp[0].list); list; list = list->next)
+        symbol_list_code_props_set (list, destructor, (yylsp[-1]), (yyvsp[-1].code));
+      symbol_list_free ((yyvsp[0].list));

     }
     }

+/* Line 1735 of yacc.c  */
+#line 2519 "src/parse-gram.c"

     break;
 
     break;
 

-  case 36:
-#line 287 "parse-gram.y"
+  case 39:
+/* Line 1735 of yacc.c  */
+#line 397 "src/parse-gram.y"

     {
       symbol_list *list;
     {
       symbol_list *list;

-      for (list = (yyvsp[(2) - (2)].list); list; list = list->next)
-       symbol_printer_set (list->sym, (yyvsp[(1) - (2)].chars), list->location);
-      symbol_list_free ((yyvsp[(2) - (2)].list));
+      for (list = (yyvsp[0].list); list; list = list->next)
+        symbol_list_code_props_set (list, printer, (yylsp[-1]), (yyvsp[-1].code));
+      symbol_list_free ((yyvsp[0].list));

     }
     }

+/* Line 1735 of yacc.c  */
+#line 2532 "src/parse-gram.c"

     break;
 
     break;
 

-  case 37:
-#line 294 "parse-gram.y"
+  case 40:
+/* Line 1735 of yacc.c  */
+#line 404 "src/parse-gram.y"

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

+/* Line 1735 of yacc.c  */
+#line 2542 "src/parse-gram.c"

     break;
 
     break;
 

-  case 38:
-#line 298 "parse-gram.y"
+  case 41:
+/* Line 1735 of yacc.c  */
+#line 408 "src/parse-gram.y"

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

+/* Line 1735 of yacc.c  */
+#line 2552 "src/parse-gram.c"

     break;
 
     break;
 

-  case 39:
-#line 304 "parse-gram.y"
+  case 42:
+/* Line 1735 of yacc.c  */
+#line 412 "src/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 1735 of yacc.c  */
+#line 2565 "src/parse-gram.c"
+    break;
+
+  case 43:
+/* Line 1735 of yacc.c  */
+#line 419 "src/parse-gram.y"
+    {
+      muscle_percent_code_grow ((yyvsp[-1].uniqstr), (yylsp[-1]), (yyvsp[0].chars), (yylsp[0]));
+      code_scanner_last_string_free ();
+    }
+/* Line 1735 of yacc.c  */
+#line 2576 "src/parse-gram.c"
+    break;
+
+  case 44:
+/* Line 1735 of yacc.c  */
+#line 433 "src/parse-gram.y"
+    {}
+/* Line 1735 of yacc.c  */
+#line 2584 "src/parse-gram.c"
+    break;
+
+  case 45:
+/* Line 1735 of yacc.c  */
+#line 434 "src/parse-gram.y"
+    { muscle_code_grow ("union_name", (yyvsp[0].uniqstr), (yylsp[0])); }
+/* Line 1735 of yacc.c  */
+#line 2592 "src/parse-gram.c"
+    break;
+
+  case 46:
+/* Line 1735 of yacc.c  */
+#line 439 "src/parse-gram.y"
+    {
+      union_seen = true;
+      muscle_code_grow ("stype", (yyvsp[0].chars), (yylsp[0]));
+      code_scanner_last_string_free ();
+    }
+/* Line 1735 of yacc.c  */
+#line 2604 "src/parse-gram.c"
+    break;
+
+  case 47:
+/* Line 1735 of yacc.c  */
+#line 450 "src/parse-gram.y"

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

+/* Line 1735 of yacc.c  */
+#line 2612 "src/parse-gram.c"

     break;
 
     break;
 

-  case 40:
-#line 305 "parse-gram.y"
+  case 48:
+/* Line 1735 of yacc.c  */
+#line 451 "src/parse-gram.y"

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

+/* Line 1735 of yacc.c  */
+#line 2623 "src/parse-gram.c"

     break;
 
     break;
 

-  case 41:
-#line 309 "parse-gram.y"
+  case 49:
+/* Line 1735 of yacc.c  */
+#line 455 "src/parse-gram.y"

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

+/* Line 1735 of yacc.c  */
+#line 2631 "src/parse-gram.c"

     break;
 
     break;
 

-  case 42:
-#line 310 "parse-gram.y"
+  case 50:
+/* Line 1735 of yacc.c  */
+#line 456 "src/parse-gram.y"

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

+/* Line 1735 of yacc.c  */
+#line 2642 "src/parse-gram.c"

     break;
 
     break;
 

-  case 43:
-#line 315 "parse-gram.y"
+  case 51:
+/* Line 1735 of yacc.c  */
+#line 461 "src/parse-gram.y"

     {
       symbol_list *list;
     {
       symbol_list *list;

-      for (list = (yyvsp[(3) - (3)].list); list; list = list->next)
-       symbol_type_set (list->sym, (yyvsp[(2) - (3)].uniqstr), (yylsp[(2) - (3)]));
-      symbol_list_free ((yyvsp[(3) - (3)].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 1735 of yacc.c  */
+#line 2656 "src/parse-gram.c"

     break;
 
     break;
 

-  case 44:
-#line 325 "parse-gram.y"
+  case 52:
+/* Line 1735 of yacc.c  */
+#line 472 "src/parse-gram.y"

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

-      for (list = (yyvsp[(3) - (3)].list); list; list = list->next)
-       {
-         symbol_type_set (list->sym, current_type, (yylsp[(2) - (3)]));
-         symbol_precedence_set (list->sym, current_prec, (yyvsp[(1) - (3)].assoc), (yylsp[(1) - (3)]));
-       }
-      symbol_list_free ((yyvsp[(3) - (3)].list));
+      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;
     }
       current_type = NULL;
     }

+/* Line 1735 of yacc.c  */
+#line 2674 "src/parse-gram.c"

     break;
 
     break;
 

-  case 45:
-#line 339 "parse-gram.y"
+  case 53:
+/* Line 1735 of yacc.c  */
+#line 486 "src/parse-gram.y"

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

+/* Line 1735 of yacc.c  */
+#line 2682 "src/parse-gram.c"

     break;
 
     break;
 

-  case 46:
-#line 340 "parse-gram.y"
+  case 54:
+/* Line 1735 of yacc.c  */
+#line 487 "src/parse-gram.y"

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

+/* Line 1735 of yacc.c  */
+#line 2690 "src/parse-gram.c"

     break;
 
     break;
 

-  case 47:
-#line 341 "parse-gram.y"
+  case 55:
+/* Line 1735 of yacc.c  */
+#line 488 "src/parse-gram.y"

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

+/* Line 1735 of yacc.c  */
+#line 2698 "src/parse-gram.c"

     break;
 
     break;
 

-  case 48:
-#line 345 "parse-gram.y"
+  case 56:
+/* Line 1735 of yacc.c  */
+#line 489 "src/parse-gram.y"
+    { (yyval.assoc) = precedence_assoc; }
+/* Line 1735 of yacc.c  */
+#line 2706 "src/parse-gram.c"
+    break;
+
+  case 57:
+/* Line 1735 of yacc.c  */
+#line 493 "src/parse-gram.y"

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

+/* Line 1735 of yacc.c  */
+#line 2714 "src/parse-gram.c"

     break;
 
     break;
 

-  case 49:
-#line 346 "parse-gram.y"
-    { current_type = (yyvsp[(1) - (1)].uniqstr); }
+  case 58:
+/* Line 1735 of yacc.c  */
+#line 494 "src/parse-gram.y"
+    { current_type = (yyvsp[0].uniqstr); tag_seen = true; }
+/* Line 1735 of yacc.c  */
+#line 2722 "src/parse-gram.c"

     break;
 
     break;
 

-  case 50:
-#line 352 "parse-gram.y"
-    { (yyval.list) = symbol_list_new ((yyvsp[(1) - (1)].symbol), (yylsp[(1) - (1)])); }
+  case 59:
+/* Line 1735 of yacc.c  */
+#line 500 "src/parse-gram.y"
+    { (yyval.list) = symbol_list_sym_new ((yyvsp[0].symbol), (yylsp[0])); }
+/* Line 1735 of yacc.c  */
+#line 2730 "src/parse-gram.c"

     break;
 
     break;
 

-  case 51:
-#line 353 "parse-gram.y"
-    { (yyval.list) = symbol_list_prepend ((yyvsp[(1) - (2)].list), (yyvsp[(2) - (2)].symbol), (yylsp[(2) - (2)])); }
+  case 60:
+/* Line 1735 of yacc.c  */
+#line 502 "src/parse-gram.y"
+    { (yyval.list) = symbol_list_prepend ((yyvsp[-1].list), symbol_list_sym_new ((yyvsp[0].symbol), (yylsp[0]))); }
+/* Line 1735 of yacc.c  */
+#line 2738 "src/parse-gram.c"

     break;
 
     break;
 

-  case 52:
-#line 359 "parse-gram.y"
+  case 61:
+/* Line 1735 of yacc.c  */
+#line 506 "src/parse-gram.y"
+    { (yyval.symbol) = (yyvsp[0].symbol); }
+/* Line 1735 of yacc.c  */
+#line 2746 "src/parse-gram.c"
+    break;
+
+  case 62:
+/* Line 1735 of yacc.c  */
+#line 507 "src/parse-gram.y"
+    { (yyval.symbol) = (yyvsp[-1].symbol); symbol_user_token_number_set ((yyvsp[-1].symbol), (yyvsp[0].integer), (yylsp[0])); }
+/* Line 1735 of yacc.c  */
+#line 2754 "src/parse-gram.c"
+    break;
+
+  case 63:
+/* Line 1735 of yacc.c  */
+#line 513 "src/parse-gram.y"
+    { (yyval.list) = symbol_list_sym_new ((yyvsp[0].symbol), (yylsp[0])); }
+/* Line 1735 of yacc.c  */
+#line 2762 "src/parse-gram.c"
+    break;
+
+  case 64:
+/* Line 1735 of yacc.c  */
+#line 515 "src/parse-gram.y"
+    { (yyval.list) = symbol_list_prepend ((yyvsp[-1].list), symbol_list_sym_new ((yyvsp[0].symbol), (yylsp[0]))); }
+/* Line 1735 of yacc.c  */
+#line 2770 "src/parse-gram.c"
+    break;
+
+  case 65:
+/* Line 1735 of yacc.c  */
+#line 519 "src/parse-gram.y"
+    { (yyval.list) = (yyvsp[0].list); }
+/* Line 1735 of yacc.c  */
+#line 2778 "src/parse-gram.c"
+    break;
+
+  case 66:
+/* Line 1735 of yacc.c  */
+#line 520 "src/parse-gram.y"
+    { (yyval.list) = symbol_list_prepend ((yyvsp[-1].list), (yyvsp[0].list)); }
+/* Line 1735 of yacc.c  */
+#line 2786 "src/parse-gram.c"
+    break;
+
+  case 67:
+/* Line 1735 of yacc.c  */
+#line 524 "src/parse-gram.y"
+    { (yyval.list) = symbol_list_sym_new ((yyvsp[0].symbol), (yylsp[0])); }
+/* Line 1735 of yacc.c  */
+#line 2794 "src/parse-gram.c"
+    break;
+
+  case 68:
+/* Line 1735 of yacc.c  */
+#line 525 "src/parse-gram.y"
+    { (yyval.list) = symbol_list_type_new ((yyvsp[0].uniqstr), (yylsp[0])); }
+/* Line 1735 of yacc.c  */
+#line 2802 "src/parse-gram.c"
+    break;
+
+  case 69:
+/* Line 1735 of yacc.c  */
+#line 526 "src/parse-gram.y"
+    { (yyval.list) = symbol_list_default_tagged_new ((yylsp[0])); }
+/* Line 1735 of yacc.c  */
+#line 2810 "src/parse-gram.c"
+    break;
+
+  case 70:
+/* Line 1735 of yacc.c  */
+#line 527 "src/parse-gram.y"
+    { (yyval.list) = symbol_list_default_tagless_new ((yylsp[0])); }
+/* Line 1735 of yacc.c  */
+#line 2818 "src/parse-gram.c"
+    break;
+
+  case 71:
+/* Line 1735 of yacc.c  */
+#line 533 "src/parse-gram.y"

     {
     {

-       current_type = (yyvsp[(1) - (1)].uniqstr);
+       current_type = (yyvsp[0].uniqstr);
+       tag_seen = true;

      }
      }

+/* Line 1735 of yacc.c  */
+#line 2829 "src/parse-gram.c"

     break;
 
     break;
 

-  case 53:
-#line 363 "parse-gram.y"
+  case 72:
+/* Line 1735 of yacc.c  */
+#line 538 "src/parse-gram.y"

     {
     {

-       symbol_class_set ((yyvsp[(1) - (1)].symbol), current_class, (yylsp[(1) - (1)]), true);
-       symbol_type_set ((yyvsp[(1) - (1)].symbol), current_type, (yylsp[(1) - (1)]));
+       symbol_class_set ((yyvsp[0].symbol), current_class, (yylsp[0]), true);
+       symbol_type_set ((yyvsp[0].symbol), current_type, (yylsp[0]));

      }
      }

+/* Line 1735 of yacc.c  */
+#line 2840 "src/parse-gram.c"

     break;
 
     break;
 

-  case 54:
-#line 368 "parse-gram.y"
+  case 73:
+/* Line 1735 of yacc.c  */
+#line 543 "src/parse-gram.y"

     {
     {

-      symbol_class_set ((yyvsp[(1) - (2)].symbol), current_class, (yylsp[(1) - (2)]), true);
-      symbol_type_set ((yyvsp[(1) - (2)].symbol), current_type, (yylsp[(1) - (2)]));
-      symbol_user_token_number_set ((yyvsp[(1) - (2)].symbol), (yyvsp[(2) - (2)].integer), (yylsp[(2) - (2)]));
+      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 1735 of yacc.c  */
+#line 2852 "src/parse-gram.c"

     break;
 
     break;
 

-  case 55:
-#line 374 "parse-gram.y"
+  case 74:
+/* Line 1735 of yacc.c  */
+#line 549 "src/parse-gram.y"

     {
     {

-      symbol_class_set ((yyvsp[(1) - (2)].symbol), current_class, (yylsp[(1) - (2)]), true);
-      symbol_type_set ((yyvsp[(1) - (2)].symbol), current_type, (yylsp[(1) - (2)]));
-      symbol_make_alias ((yyvsp[(1) - (2)].symbol), (yyvsp[(2) - (2)].symbol), (yyloc));
+      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 1735 of yacc.c  */
+#line 2864 "src/parse-gram.c"

     break;
 
     break;
 

-  case 56:
-#line 380 "parse-gram.y"
+  case 75:
+/* Line 1735 of yacc.c  */
+#line 555 "src/parse-gram.y"

     {
     {

-      symbol_class_set ((yyvsp[(1) - (3)].symbol), current_class, (yylsp[(1) - (3)]), true);
-      symbol_type_set ((yyvsp[(1) - (3)].symbol), current_type, (yylsp[(1) - (3)]));
-      symbol_user_token_number_set ((yyvsp[(1) - (3)].symbol), (yyvsp[(2) - (3)].integer), (yylsp[(2) - (3)]));
-      symbol_make_alias ((yyvsp[(1) - (3)].symbol), (yyvsp[(3) - (3)].symbol), (yyloc));
+      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 1735 of yacc.c  */
+#line 2877 "src/parse-gram.c"

     break;
 
     break;
 

-  case 63:
-#line 410 "parse-gram.y"
+  case 82:
+/* Line 1735 of yacc.c  */
+#line 585 "src/parse-gram.y"

     {
       yyerrok;
     }
     {
       yyerrok;
     }

+/* Line 1735 of yacc.c  */
+#line 2887 "src/parse-gram.c"

     break;
 
     break;
 

-  case 64:
-#line 416 "parse-gram.y"
-    { current_lhs = (yyvsp[(1) - (1)].symbol); current_lhs_location = (yylsp[(1) - (1)]); }
+  case 83:
+/* Line 1735 of yacc.c  */
+#line 591 "src/parse-gram.y"
+    { current_lhs ((yyvsp[-1].symbol), (yylsp[-1]), (yyvsp[0].named_ref)); }
+/* Line 1735 of yacc.c  */
+#line 2895 "src/parse-gram.c"

     break;
 
     break;
 

-  case 66:
-#line 420 "parse-gram.y"
-    { grammar_current_rule_end ((yylsp[(1) - (1)])); }
+  case 84:
+/* Line 1735 of yacc.c  */
+#line 592 "src/parse-gram.y"
+    {
+    /* Free the current lhs. */
+    current_lhs (0, (yylsp[-3]), 0);
+  }
+/* Line 1735 of yacc.c  */
+#line 2906 "src/parse-gram.c"

     break;
 
     break;
 

-  case 67:
-#line 421 "parse-gram.y"
-    { grammar_current_rule_end ((yylsp[(3) - (3)])); }
+  case 85:
+/* Line 1735 of yacc.c  */
+#line 599 "src/parse-gram.y"
+    { grammar_current_rule_end ((yylsp[0])); }
+/* Line 1735 of yacc.c  */
+#line 2914 "src/parse-gram.c"

     break;
 
     break;
 

-  case 69:
-#line 427 "parse-gram.y"
-    { grammar_current_rule_begin (current_lhs, current_lhs_location); }
+  case 86:
+/* Line 1735 of yacc.c  */
+#line 600 "src/parse-gram.y"
+    { grammar_current_rule_end ((yylsp[0])); }
+/* Line 1735 of yacc.c  */
+#line 2922 "src/parse-gram.c"

     break;
 
     break;
 

-  case 70:
-#line 429 "parse-gram.y"
-    { grammar_current_rule_symbol_append ((yyvsp[(2) - (2)].symbol), (yylsp[(2) - (2)])); }
+  case 88:
+/* Line 1735 of yacc.c  */
+#line 606 "src/parse-gram.y"
+    { grammar_current_rule_begin (current_lhs_symbol, current_lhs_location,
+                                  current_lhs_named_ref); }
+/* Line 1735 of yacc.c  */
+#line 2931 "src/parse-gram.c"

     break;
 
     break;
 

-  case 72:
-#line 432 "parse-gram.y"
-    { grammar_current_rule_prec_set ((yyvsp[(3) - (3)].symbol), (yylsp[(3) - (3)])); }
+  case 89:
+/* Line 1735 of yacc.c  */
+#line 609 "src/parse-gram.y"
+    { grammar_current_rule_symbol_append ((yyvsp[-1].symbol), (yylsp[-1]), (yyvsp[0].named_ref)); }
+/* Line 1735 of yacc.c  */
+#line 2939 "src/parse-gram.c"

     break;
 
     break;
 

-  case 73:
-#line 434 "parse-gram.y"
-    { grammar_current_rule_dprec_set ((yyvsp[(3) - (3)].integer), (yylsp[(3) - (3)])); }
+  case 90:
+/* Line 1735 of yacc.c  */
+#line 611 "src/parse-gram.y"
+    { grammar_current_rule_action_append ((yyvsp[-1].code), (yylsp[-1]), (yyvsp[0].named_ref), false); }
+/* Line 1735 of yacc.c  */
+#line 2947 "src/parse-gram.c"

     break;
 
     break;
 

-  case 74:
-#line 436 "parse-gram.y"
-    { grammar_current_rule_merge_set ((yyvsp[(3) - (3)].uniqstr), (yylsp[(3) - (3)])); }
+  case 91:
+/* Line 1735 of yacc.c  */
+#line 613 "src/parse-gram.y"
+    { grammar_current_rule_action_append ((yyvsp[0].code), (yylsp[0]), NULL, true); }
+/* Line 1735 of yacc.c  */
+#line 2955 "src/parse-gram.c"

     break;
 
     break;
 

-  case 75:
-#line 440 "parse-gram.y"
-    { (yyval.symbol) = (yyvsp[(1) - (1)].symbol); }
+  case 92:
+/* Line 1735 of yacc.c  */
+#line 615 "src/parse-gram.y"
+    { grammar_current_rule_prec_set ((yyvsp[0].symbol), (yylsp[0])); }
+/* Line 1735 of yacc.c  */
+#line 2963 "src/parse-gram.c"
+    break;
+
+  case 93:
+/* Line 1735 of yacc.c  */
+#line 617 "src/parse-gram.y"
+    { grammar_current_rule_dprec_set ((yyvsp[0].integer), (yylsp[0])); }
+/* Line 1735 of yacc.c  */
+#line 2971 "src/parse-gram.c"
+    break;
+
+  case 94:
+/* Line 1735 of yacc.c  */
+#line 619 "src/parse-gram.y"
+    { grammar_current_rule_merge_set ((yyvsp[0].uniqstr), (yylsp[0])); }
+/* Line 1735 of yacc.c  */
+#line 2979 "src/parse-gram.c"
+    break;
+
+  case 95:
+/* Line 1735 of yacc.c  */
+#line 623 "src/parse-gram.y"
+    { (yyval.named_ref) = 0; }
+/* Line 1735 of yacc.c  */
+#line 2987 "src/parse-gram.c"
+    break;
+
+  case 96:
+/* Line 1735 of yacc.c  */
+#line 625 "src/parse-gram.y"
+    { (yyval.named_ref) = named_ref_new((yyvsp[0].uniqstr), (yylsp[0])); }
+/* Line 1735 of yacc.c  */
+#line 2995 "src/parse-gram.c"
+    break;
+
+  case 98:
+/* Line 1735 of yacc.c  */
+#line 636 "src/parse-gram.y"
+    { (yyval.uniqstr) = uniqstr_new ((yyvsp[0].chars)); }
+/* Line 1735 of yacc.c  */
+#line 3003 "src/parse-gram.c"

     break;
 
     break;
 

-  case 76:
-#line 441 "parse-gram.y"
-    { (yyval.symbol) = (yyvsp[(1) - (1)].symbol); }
+  case 99:
+/* Line 1735 of yacc.c  */
+#line 641 "src/parse-gram.y"
+    { (yyval.chars) = ""; }
+/* Line 1735 of yacc.c  */
+#line 3011 "src/parse-gram.c"

     break;
 
     break;
 

-  case 77:
-#line 457 "parse-gram.y"
-    { grammar_current_rule_action_append (last_string, last_braced_code_loc); }
+  case 100:
+/* Line 1735 of yacc.c  */
+#line 642 "src/parse-gram.y"
+    { (yyval.chars) = (yyvsp[0].uniqstr); }
+/* Line 1735 of yacc.c  */
+#line 3019 "src/parse-gram.c"

     break;
 
     break;
 

-  case 79:
-#line 464 "parse-gram.y"
+  case 102:
+/* Line 1735 of yacc.c  */
+#line 653 "src/parse-gram.y"

     {
     {

-      (yyval.symbol) = symbol_get (quotearg_style (c_quoting_style, (yyvsp[(1) - (1)].chars)), (yylsp[(1) - (1)]));
-      symbol_class_set ((yyval.symbol), token_sym, (yylsp[(1) - (1)]), false);
+      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 1735 of yacc.c  */
+#line 3034 "src/parse-gram.c"

     break;
 
     break;
 

-  case 80:
-#line 473 "parse-gram.y"
-    { (yyval.chars) = (yyvsp[(1) - (1)].chars); }
+  case 103:
+/* Line 1735 of yacc.c  */
+#line 673 "src/parse-gram.y"
+    { (yyval.symbol) = symbol_from_uniqstr ((yyvsp[0].uniqstr), (yylsp[0])); }
+/* Line 1735 of yacc.c  */
+#line 3042 "src/parse-gram.c"

     break;
 
     break;
 

-  case 82:
-#line 480 "parse-gram.y"
+  case 104:
+/* Line 1735 of yacc.c  */
+#line 675 "src/parse-gram.y"

     {
     {

-      muscle_code_grow ("epilogue", (yyvsp[(2) - (2)].chars), (yylsp[(2) - (2)]));
-      scanner_last_string_free ();
+      (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 1735 of yacc.c  */
+#line 3054 "src/parse-gram.c"
+    break;
+
+  case 105:
+/* Line 1735 of yacc.c  */
+#line 683 "src/parse-gram.y"
+    { (yyval.symbol) = symbol_from_uniqstr ((yyvsp[0].uniqstr), (yylsp[0])); }
+/* Line 1735 of yacc.c  */
+#line 3062 "src/parse-gram.c"

     break;
 
     break;
 

+  case 108:
+/* Line 1735 of yacc.c  */
+#line 695 "src/parse-gram.y"
+    {
+      (yyval.symbol) = symbol_get (quotearg_style (c_quoting_style, (yyvsp[0].chars)), (yylsp[0]));
+      symbol_class_set ((yyval.symbol), token_sym, (yylsp[0]), false);
+    }
+/* Line 1735 of yacc.c  */
+#line 3073 "src/parse-gram.c"
+    break;

 
 

-/* Line 1270 of yacc.c.  */
-#line 2149 "parse-gram.c"
-      default: break;
+  case 110:
+/* Line 1735 of yacc.c  */
+#line 704 "src/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 1735 of yacc.c  */
+#line 3088 "src/parse-gram.c"
+    break;
+
+
+/* Line 1735 of yacc.c  */
+#line 3093 "src/parse-gram.c"
+        default: break;
+      }
+    if (yychar_backup != yychar)
+      YY_LAC_DISCARD ("yychar change");
+  }
+  /* User semantic actions sometimes alter yychar, and that requires
+     that yytoken be updated with the new translation.  We take the
+     approach of translating immediately before every use of yytoken.
+     One alternative is translating here after every semantic action,
+     but that translation would be missed if the semantic action invokes
+     YYABORT, YYACCEPT, or YYERROR immediately after altering yychar or
+     if it invokes YYBACKUP.  In the case of YYABORT or YYACCEPT, an
+     incorrect destructor might then be invoked immediately.  In the
+     case of YYERROR or YYBACKUP, subsequent parser actions might lead
+     to an incorrect destructor call or verbose syntax error message
+     before the lookahead is translated.  */

   YY_SYMBOL_PRINT ("-> $$ =", yyr1[yyn], &yyval, &yyloc);
 
   YYPOPSTACK (yylen);
   YY_SYMBOL_PRINT ("-> $$ =", yyr1[yyn], &yyval, &yyloc);
 
   YYPOPSTACK (yylen);


@@ -2176,6 +3134,10 @@ yyreduce:
 | yyerrlab -- here on detecting error |
 `------------------------------------*/
 yyerrlab:
 | yyerrlab -- here on detecting error |
 `------------------------------------*/
 yyerrlab:

+  /* Make sure we have latest lookahead translation.  See comments at
+     user semantic actions for why this is necessary.  */
+  yytoken = yychar == YYEMPTY ? YYEMPTY : YYTRANSLATE (yychar);
+

   /* If not already recovering from an error, report this error.  */
   if (!yyerrstatus)
     {
   /* If not already recovering from an error, report this error.  */
   if (!yyerrstatus)
     {


@@ -2183,62 +3145,64 @@ yyerrlab:
 #if ! YYERROR_VERBOSE
       yyerror (YY_("syntax error"));
 #else
 #if ! YYERROR_VERBOSE
       yyerror (YY_("syntax error"));
 #else

+# define YYSYNTAX_ERROR yysyntax_error (&yymsg_alloc, &yymsg, \
+                                        yyesa, &yyes, &yyes_capacity, \
+                                        yyssp, yytoken)

       {
       {

-       YYSIZE_T yysize = yysyntax_error (0, yystate, yychar);
-       if (yymsg_alloc < yysize && yymsg_alloc < YYSTACK_ALLOC_MAXIMUM)
-         {
-           YYSIZE_T yyalloc = 2 * yysize;
-           if (! (yysize <= yyalloc && yyalloc <= YYSTACK_ALLOC_MAXIMUM))
-             yyalloc = YYSTACK_ALLOC_MAXIMUM;
-           if (yymsg != yymsgbuf)
-             YYSTACK_FREE (yymsg);
-           yymsg = (char *) YYSTACK_ALLOC (yyalloc);
-           if (yymsg)
-             yymsg_alloc = yyalloc;
-           else
-             {
-               yymsg = yymsgbuf;
-               yymsg_alloc = sizeof yymsgbuf;
-             }
-         }
-
-       if (0 < yysize && yysize <= yymsg_alloc)
-         {
-           (void) yysyntax_error (yymsg, yystate, yychar);
-           yyerror (yymsg);
-         }
-       else
-         {
-           yyerror (YY_("syntax error"));
-           if (yysize != 0)
-             goto yyexhaustedlab;
-         }
+        char const *yymsgp = YY_("syntax error");
+        int yysyntax_error_status;
+        if (yychar != YYEMPTY)
+          YY_LAC_ESTABLISH;
+        yysyntax_error_status = YYSYNTAX_ERROR;
+        if (yysyntax_error_status == 0)
+          yymsgp = yymsg;
+        else if (yysyntax_error_status == 1)
+          {
+            if (yymsg != yymsgbuf)
+              YYSTACK_FREE (yymsg);
+            yymsg = (char *) YYSTACK_ALLOC (yymsg_alloc);
+            if (!yymsg)
+              {
+                yymsg = yymsgbuf;
+                yymsg_alloc = sizeof yymsgbuf;
+                yysyntax_error_status = 2;
+              }
+            else
+              {
+                yysyntax_error_status = YYSYNTAX_ERROR;
+                yymsgp = yymsg;
+              }
+          }
+        yyerror (yymsgp);
+        if (yysyntax_error_status == 2)
+          goto yyexhaustedlab;

       }
       }

+# undef YYSYNTAX_ERROR

 #endif
     }
 
 #endif
     }
 

-  yyerror_range[0] = yylloc;
+  yyerror_range[1] = yylloc;

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

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

 
       if (yychar <= YYEOF)
 
       if (yychar <= YYEOF)

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

       else
       else

-       {
-         yydestruct ("Error: discarding",
-                     yytoken, &yylval, &yylloc);
-         yychar = YYEMPTY;
-       }
+        {
+          yydestruct ("Error: discarding",
+                      yytoken, &yylval, &yylloc);
+          yychar = YYEMPTY;
+        }

     }
 
     }
 

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

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


@@ -2254,7 +3218,7 @@ yyerrorlab:
   if (/*CONSTCOND*/ 0)
      goto yyerrorlab;
 
   if (/*CONSTCOND*/ 0)
      goto yyerrorlab;
 

-  yyerror_range[0] = yylsp[1-yylen];
+  yyerror_range[1] = yylsp[1-yylen];

   /* Do not reclaim the symbols of the rule which action triggered
      this YYERROR.  */
   YYPOPSTACK (yylen);
   /* Do not reclaim the symbols of the rule which action triggered
      this YYERROR.  */
   YYPOPSTACK (yylen);


@@ -2268,43 +3232,44 @@ yyerrorlab:
 | yyerrlab1 -- common code for both syntax error and YYERROR.  |
 `-------------------------------------------------------------*/
 yyerrlab1:
 | yyerrlab1 -- common code for both syntax error and YYERROR.  |
 `-------------------------------------------------------------*/
 yyerrlab1:

-  yyerrstatus = 3;     /* Each real token shifted decrements this.  */
+  yyerrstatus = 3;      /* Each real token shifted decrements this.  */

 
   for (;;)
     {
       yyn = yypact[yystate];
 
   for (;;)
     {
       yyn = yypact[yystate];

-      if (yyn != YYPACT_NINF)
-       {
-         yyn += YYTERROR;
-         if (0 <= yyn && yyn <= YYLAST && yycheck[yyn] == YYTERROR)
-           {
-             yyn = yytable[yyn];
-             if (0 < yyn)
-               break;
-           }
-       }
+      if (!yypact_value_is_default (yyn))
+        {
+          yyn += YYTERROR;
+          if (0 <= yyn && yyn <= YYLAST && yycheck[yyn] == YYTERROR)
+            {
+              yyn = yytable[yyn];
+              if (0 < yyn)
+                break;
+            }
+        }

 
       /* Pop the current state because it cannot handle the error token.  */
       if (yyssp == yyss)
 
       /* Pop the current state because it cannot handle the error token.  */
       if (yyssp == yyss)

-       YYABORT;
+        YYABORT;

 
 

-      yyerror_range[0] = *yylsp;
+      yyerror_range[1] = *yylsp;

       yydestruct ("Error: popping",
       yydestruct ("Error: popping",

-                 yystos[yystate], yyvsp, yylsp);
+                  yystos[yystate], yyvsp, yylsp);

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

-  if (yyn == YYFINAL)
-    YYACCEPT;
+  /* If the stack popping above didn't lose the initial context for the
+     current lookahead token, the shift below will for sure.  */
+  YY_LAC_DISCARD ("error recovery");

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

-  yyerror_range[1] = yylloc;
+  yyerror_range[2] = yylloc;

   /* Using YYLLOC is tempting, but would change the location of
   /* Using YYLLOC is tempting, but would change the location of

-     the look-ahead.  YYLOC is available though.  */
-  YYLLOC_DEFAULT (yyloc, (yyerror_range - 1), 2);
+     the lookahead.  YYLOC is available though.  */
+  YYLLOC_DEFAULT (yyloc, yyerror_range, 2);

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


@@ -2328,7 +3293,7 @@ yyabortlab:
   yyresult = 1;
   goto yyreturn;
 
   yyresult = 1;
   goto yyreturn;
 

-#ifndef yyoverflow
+#if 1

 /*-------------------------------------------------.
 | yyexhaustedlab -- memory exhaustion comes here.  |
 `-------------------------------------------------*/
 /*-------------------------------------------------.
 | yyexhaustedlab -- memory exhaustion comes here.  |
 `-------------------------------------------------*/


@@ -2339,9 +3304,14 @@ yyexhaustedlab:
 #endif
 
 yyreturn:
 #endif
 
 yyreturn:

-  if (yychar != YYEOF && yychar != YYEMPTY)
-     yydestruct ("Cleanup: discarding lookahead",
-                yytoken, &yylval, &yylloc);
+  if (yychar != YYEMPTY)
+    {
+      /* Make sure we have latest lookahead translation.  See comments at
+         user semantic actions for why this is necessary.  */
+      yytoken = YYTRANSLATE (yychar);
+      yydestruct ("Cleanup: discarding lookahead",
+                  yytoken, &yylval, &yylloc);
+    }

   /* Do not reclaim the symbols of the rule which action triggered
      this YYABORT or YYACCEPT.  */
   YYPOPSTACK (yylen);
   /* Do not reclaim the symbols of the rule which action triggered
      this YYABORT or YYACCEPT.  */
   YYPOPSTACK (yylen);


@@ -2349,22 +3319,25 @@ yyreturn:
   while (yyssp != yyss)
     {
       yydestruct ("Cleanup: popping",
   while (yyssp != yyss)
     {
       yydestruct ("Cleanup: popping",

-                 yystos[*yyssp], yyvsp, yylsp);
+                  yystos[*yyssp], yyvsp, yylsp);

       YYPOPSTACK (1);
     }
 #ifndef yyoverflow
   if (yyss != yyssa)
     YYSTACK_FREE (yyss);
 #endif
       YYPOPSTACK (1);
     }
 #ifndef yyoverflow
   if (yyss != yyssa)
     YYSTACK_FREE (yyss);
 #endif

+  if (yyes != yyesa)
+    YYSTACK_FREE (yyes);

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

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

 }
 
 }
 

-
-#line 486 "parse-gram.y"
+/* Line 1995 of yacc.c  */
+#line 714 "src/parse-gram.y"

 
 
 
 
 
 


@@ -2384,86 +3357,80 @@ lloc_default (YYLTYPE const *rhs, int n)
   loc.start = rhs[n].end;
   loc.end = rhs[n].end;
 
   loc.start = rhs[n].end;
   loc.end = rhs[n].end;
 

-  /* Ignore empty nonterminals the start of the the right-hand side.
+  /* Ignore empty nonterminals the start of the right-hand side.

      Do not bother to ignore them at the end of the right-hand side,
      since empty nonterminals have the same end as their predecessors.  */
   for (i = 1; i <= n; i++)
     if (! equal_boundaries (rhs[i].start, rhs[i].end))
       {
      Do not bother to ignore them at the end of the right-hand side,
      since empty nonterminals have the same end as their predecessors.  */
   for (i = 1; i <= n; i++)
     if (! equal_boundaries (rhs[i].start, rhs[i].end))
       {

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

       }
 
   return loc;
 }
 
 
       }
 
   return loc;
 }
 
 

-/* Add a lex-param or a parse-param (depending on TYPE) with
-   declaration DECL and location LOC.  */
-

 static void
 static void

-add_param (char const *type, char *decl, location loc)
+add_param (param_type type, char *decl, location loc)

 {
   static char const alphanum[26 + 26 + 1 + 10] =
     "abcdefghijklmnopqrstuvwxyz"
     "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
     "_"
     "0123456789";
 {
   static char const alphanum[26 + 26 + 1 + 10] =
     "abcdefghijklmnopqrstuvwxyz"
     "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
     "_"
     "0123456789";

+

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

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

-    complain_at (loc, _("missing identifier in parameter declaration"));
+    complain_at (loc, complaint,
+                 _("missing identifier in parameter declaration"));

   else
     {
   else
     {

-      char *name;
-      size_t name_len;
-
-      for (name_len = 1;
-          memchr (alphanum, name_start[name_len], sizeof alphanum);
-          name_len++)
-       continue;
-
-      name = xmalloc (name_len + 1);
-      memcpy (name, name_start, name_len);
-      name[name_len] = '\0';
-      muscle_pair_list_grow (type, decl, name);
+      char *name = xmemdup0 (name_start, strspn (name_start, alphanum));
+      if (type & param_lex)
+        muscle_pair_list_grow ("lex_param", decl, name);
+      if (type & param_parse)
+        muscle_pair_list_grow ("parse_param", decl, name);

       free (name);
     }
 
       free (name);
     }
 

-  scanner_last_string_free ();
+  gram_scanner_last_string_free ();

 }
 
 }
 

+

 static void
 version_check (location const *loc, char const *version)
 {
   if (strverscmp (version, PACKAGE_VERSION) > 0)
     {
 static void
 version_check (location const *loc, char const *version)
 {
   if (strverscmp (version, PACKAGE_VERSION) > 0)
     {

-      complain_at (*loc, "require bison %s, but have %s",
-                  version, PACKAGE_VERSION);
-      exit (63);
+      complain_at (*loc, complaint, "require bison %s, but have %s",
+                   version, PACKAGE_VERSION);
+      exit (EX_MISMATCH);

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

-  complain_at (*loc, "%s", msg);
+  complain_at (*loc, complaint, "%s", msg);

 }
 
 char const *
 }
 
 char const *


@@ -2472,3 +3439,15 @@ token_name (int type)
   return yytname[YYTRANSLATE (type)];
 }
 
   return yytname[YYTRANSLATE (type)];
 }
 

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