Minor code cleanup.

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

diff --git a/src/parse-gram.c b/src/parse-gram.c
index 1f4dfbbae22886ef3bd856faa4b011a632c3617a..4b6d55906aa54c6583396af0cf4e3b4a4f275015 100644 (file)
--- a/src/parse-gram.c
+++ b/src/parse-gram.c
@@ -1,14 +1,14 @@
-/* A Bison parser, made by GNU Bison 2.3+.  */
+/* A Bison parser, made by GNU Bison 2.4.434-7439c.  */

 
 

-/* Skeleton implementation for Bison's Yacc-like parsers in C
+/* Implementation for Bison's Yacc-like parsers in C

 
 

-   Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006
-   Free Software Foundation, Inc.
+   Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
+   2007, 2008, 2009 Free Software Foundation, Inc.

 
 

-   This program is free software; you can redistribute it and/or modify
+   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


@@ -16,9 +16,7 @@
    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, you may create a larger work that contains
    part or all of the Bison parser skeleton and distribute that work
 
 /* As a special exception, you may create a larger work that contains
    part or all of the Bison parser skeleton and distribute that work


@@ -47,7 +45,7 @@
 #define YYBISON 1
 
 /* Bison version.  */
 #define YYBISON 1
 
 /* Bison version.  */

-#define YYBISON_VERSION "2.3+"
+#define YYBISON_VERSION "2.4.434-7439c"

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


@@ -55,31 +53,38 @@
 /* Pure parsers.  */
 #define YYPURE 1
 
 /* Pure parsers.  */
 #define YYPURE 1
 

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

 /* Using locations.  */
 #define YYLSP_NEEDED 1
 
 /* Substitute the variable and function names.  */
 /* Using locations.  */
 #define YYLSP_NEEDED 1
 
 /* 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.  */
 
 /* Copy the first part of user declarations.  */

-/* Line 164 of yacc.c.  */
-#line 1 "parse-gram.y"
+/* Line 253 of yacc.c  */
+#line 1 "src/parse-gram.y"

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

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

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

-   This program is free software; you can redistribute it and/or modify
+   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 of the License, or
+   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,
    (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,


@@ -88,22 +93,18 @@
    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/>.  */

 
 #include <config.h>
 #include "system.h"
 
 
 #include <config.h>
 #include "system.h"
 

-#include <strverscmp.h>
-

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

-#include "muscle_tab.h"
+#include "muscle-tab.h"
+#include "named-ref.h"

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


@@ -127,19 +128,8 @@ static void gram_error (location const *, char const *);
 
 static char const *char_name (char);
 
 
 static char const *char_name (char);
 

-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;
-
-#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 253 of yacc.c  */
+#line 133 "src/parse-gram.c"

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


@@ -159,6 +149,24 @@ static int current_prec = 0;
 # define YYTOKEN_TABLE 0
 #endif
 
 # define YYTOKEN_TABLE 0
 #endif
 

+/* "%code requires" blocks.  */
+/* Line 273 of yacc.c  */
+#line 202 "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 273 of yacc.c  */
+#line 170 "src/parse-gram.c"

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


@@ -177,74 +185,138 @@ static int current_prec = 0;
      PERCENT_LEFT = 265,
      PERCENT_RIGHT = 266,
      PERCENT_NONASSOC = 267,
      PERCENT_LEFT = 265,
      PERCENT_RIGHT = 266,
      PERCENT_NONASSOC = 267,

-     PERCENT_PREC = 268,
-     PERCENT_DPREC = 269,
-     PERCENT_MERGE = 270,
-     PERCENT_AFTER_HEADER = 271,
-     PERCENT_BEFORE_HEADER = 272,
-     PERCENT_DEBUG = 273,
-     PERCENT_DEFAULT_PREC = 274,
-     PERCENT_DEFINE = 275,
-     PERCENT_DEFINES = 276,
-     PERCENT_END_HEADER = 277,
-     PERCENT_ERROR_VERBOSE = 278,
-     PERCENT_EXPECT = 279,
-     PERCENT_EXPECT_RR = 280,
-     PERCENT_FILE_PREFIX = 281,
-     PERCENT_GLR_PARSER = 282,
-     PERCENT_INITIAL_ACTION = 283,
-     PERCENT_LEX_PARAM = 284,
-     PERCENT_LOCATIONS = 285,
-     PERCENT_NAME_PREFIX = 286,
-     PERCENT_NO_DEFAULT_PREC = 287,
-     PERCENT_NO_LINES = 288,
-     PERCENT_NONDETERMINISTIC_PARSER = 289,
-     PERCENT_OUTPUT = 290,
-     PERCENT_PARSE_PARAM = 291,
-     PERCENT_PURE_PARSER = 292,
-     PERCENT_REQUIRE = 293,
-     PERCENT_SKELETON = 294,
-     PERCENT_START = 295,
-     PERCENT_START_HEADER = 296,
-     PERCENT_TOKEN_TABLE = 297,
-     PERCENT_VERBOSE = 298,
-     PERCENT_YACC = 299,
-     BRACED_CODE = 300,
-     CHAR = 301,
-     EPILOGUE = 302,
-     EQUAL = 303,
-     ID = 304,
-     ID_COLON = 305,
-     PERCENT_PERCENT = 306,
-     PIPE = 307,
-     PROLOGUE = 308,
-     SEMICOLON = 309,
-     TYPE = 310,
-     PERCENT_UNION = 311
+     PERCENT_PRECEDENCE = 268,
+     PERCENT_PREC = 269,
+     PERCENT_DPREC = 270,
+     PERCENT_MERGE = 271,
+     PERCENT_CODE = 272,
+     PERCENT_DEFAULT_PREC = 273,
+     PERCENT_DEFINE = 274,
+     PERCENT_DEFINES = 275,
+     PERCENT_ERROR_VERBOSE = 276,
+     PERCENT_EXPECT = 277,
+     PERCENT_EXPECT_RR = 278,
+     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_REQUIRE = 289,
+     PERCENT_SKELETON = 290,
+     PERCENT_START = 291,
+     PERCENT_TOKEN_TABLE = 292,
+     PERCENT_VERBOSE = 293,
+     PERCENT_YACC = 294,
+     BRACED_CODE = 295,
+     BRACKETED_ID = 296,
+     CHAR = 297,
+     EPILOGUE = 298,
+     EQUAL = 299,
+     ID = 300,
+     ID_COLON = 301,
+     PERCENT_PERCENT = 302,
+     PIPE = 303,
+     PROLOGUE = 304,
+     SEMICOLON = 305,
+     TAG = 306,
+     TAG_ANY = 307,
+     TAG_NONE = 308,
+     PERCENT_PARAM = 309,
+     PERCENT_UNION = 310

    };
 #endif
    };
 #endif

+/* Tokens.  */
+#define GRAM_EOF 0
+#define STRING 258
+#define INT 259
+#define PERCENT_TOKEN 260
+#define PERCENT_NTERM 261
+#define PERCENT_TYPE 262
+#define PERCENT_DESTRUCTOR 263
+#define PERCENT_PRINTER 264
+#define PERCENT_LEFT 265
+#define PERCENT_RIGHT 266
+#define PERCENT_NONASSOC 267
+#define PERCENT_PRECEDENCE 268
+#define PERCENT_PREC 269
+#define PERCENT_DPREC 270
+#define PERCENT_MERGE 271
+#define PERCENT_CODE 272
+#define PERCENT_DEFAULT_PREC 273
+#define PERCENT_DEFINE 274
+#define PERCENT_DEFINES 275
+#define PERCENT_ERROR_VERBOSE 276
+#define PERCENT_EXPECT 277
+#define PERCENT_EXPECT_RR 278
+#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_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 BRACKETED_ID 296
+#define CHAR 297
+#define EPILOGUE 298
+#define EQUAL 299
+#define ID 300
+#define ID_COLON 301
+#define PERCENT_PERCENT 302
+#define PIPE 303
+#define PROLOGUE 304
+#define SEMICOLON 305
+#define TAG 306
+#define TAG_ANY 307
+#define TAG_NONE 308
+#define PERCENT_PARAM 309
+#define PERCENT_UNION 310
+

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

-/* Line 195 of yacc.c.  */
-#line 90 "parse-gram.y"

 {
 {

+/* Line 278 of yacc.c  */
+#line 88 "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;
   unsigned char character;
   uniqstr uniqstr;
   unsigned char character;

-}
-/* Line 195 of yacc.c.  */
-#line 244 "parse-gram.c"
-       YYSTYPE;
+
+/* Line 278 of yacc.c  */
+#line 226 "src/parse-gram.y"
+
+  param_type param;
+
+
+/* Line 278 of yacc.c  */
+#line 316 "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


@@ -263,8 +335,39 @@ typedef struct YYLTYPE
 
 /* Copy the second part of user declarations.  */
 
 
 /* Copy the second part of user declarations.  */
 

-/* Line 219 of yacc.c.  */
-#line 268 "parse-gram.c"
+/* Line 328 of yacc.c  */
+#line 340 "src/parse-gram.c"
+/* Unqualified %code blocks.  */
+/* Line 329 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;
+  static symbol_class current_class = unknown_sym;
+  static uniqstr current_type = NULL;
+
+  #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 329 of yacc.c  */
+#line 215 "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 329 of yacc.c  */
+#line 371 "src/parse-gram.c"

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


@@ -428,9 +531,9 @@ void free (void *); /* INFRINGES ON USER NAME SPACE */
 /* 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.  */


@@ -465,12 +568,12 @@ union yyalloc
    elements in the stack, and YYPTR gives the new location of the
    stack.  Advance YYPTR to a properly aligned location for the next
    stack.  */
    elements in the stack, and YYPTR gives the new location of the
    stack.  Advance YYPTR to a properly aligned location for the next
    stack.  */

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

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

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

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


@@ -481,25 +584,27 @@ union yyalloc
 /* YYFINAL -- State number of the termination state.  */
 #define YYFINAL  3
 /* YYLAST -- Last index in YYTABLE.  */
 /* YYFINAL -- State number of the termination state.  */
 #define YYFINAL  3
 /* YYLAST -- Last index in YYTABLE.  */

-#define YYLAST   192
+#define YYLAST   162

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

-#define YYNTOKENS  57
+#define YYNTOKENS  56

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

-#define YYNNTS  27
+#define YYNNTS  36

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

-#define YYNRULES  89
-/* YYNRULES -- Number of states.  */
-#define YYNSTATES  128
+#define YYNRULES  109
+/* YYNSTATES -- Number of states.  */
+#define YYNSTATES  148

 
 

-/* 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   311
+#define YYMAXUTOK   310

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


@@ -533,66 +638,24 @@ static const yytype_uint8 yytranslate[] =
       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,    52,    53,    54,
       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,    52,    53,    54,

-      55,    56
+      55

 };
 
 #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,    19,    22,
-      24,    27,    31,    33,    36,    38,    41,    44,    48,    50,
-      53,    56,    58,    62,    64,    66,    70,    73,    75,    78,
-      81,    84,    86,    88,    90,    92,    94,    96,    99,   103,
-     107,   109,   111,   112,   114,   118,   119,   123,   124,   128,
-     132,   136,   138,   140,   142,   143,   145,   147,   150,   152,
-     154,   157,   160,   164,   166,   169,   171,   174,   176,   179,
-     182,   183,   187,   189,   193,   196,   197,   200,   203,   207,
-     211,   215,   217,   219,   221,   223,   225,   227,   229,   230
-};
-
-/* YYRHS -- A `-1'-separated list of the rules' RHS.  */
-static const yytype_int8 yyrhs[] =
-{
-      58,     0,    -1,    59,    51,    72,    83,    -1,    -1,    59,
-      60,    -1,    61,    -1,    53,    -1,    16,    45,    -1,    17,
-      45,    -1,    18,    -1,    20,    82,    -1,    20,    82,    82,
-      -1,    21,    -1,    22,    45,    -1,    23,    -1,    24,     4,
-      -1,    25,     4,    -1,    26,    48,    82,    -1,    27,    -1,
-      28,    45,    -1,    29,    45,    -1,    30,    -1,    31,    48,
-      82,    -1,    33,    -1,    34,    -1,    35,    48,    82,    -1,
-      36,    45,    -1,    37,    -1,    38,    82,    -1,    39,    82,
-      -1,    41,    45,    -1,    42,    -1,    43,    -1,    44,    -1,
-      54,    -1,    66,    -1,    63,    -1,    40,    80,    -1,     8,
-      45,    69,    -1,     9,    45,    69,    -1,    19,    -1,    32,
-      -1,    -1,    49,    -1,    56,    62,    45,    -1,    -1,     6,
-      64,    71,    -1,    -1,     5,    65,    71,    -1,     7,    55,
-      69,    -1,    67,    68,    69,    -1,    10,    -1,    11,    -1,
-      12,    -1,    -1,    55,    -1,    80,    -1,    69,    80,    -1,
-      55,    -1,    78,    -1,    78,     4,    -1,    78,    81,    -1,
-      78,     4,    81,    -1,    70,    -1,    71,    70,    -1,    73,
-      -1,    72,    73,    -1,    74,    -1,    61,    54,    -1,     1,
-      54,    -1,    -1,    79,    75,    76,    -1,    77,    -1,    76,
-      52,    77,    -1,    76,    54,    -1,    -1,    77,    80,    -1,
-      77,    45,    -1,    77,    13,    80,    -1,    77,    14,     4,
-      -1,    77,    15,    55,    -1,    49,    -1,    46,    -1,    50,
-      -1,    78,    -1,    81,    -1,     3,    -1,     3,    -1,    -1,
-      51,    47,    -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,   195,   195,   203,   205,   209,   210,   214,   220,   226,
-     227,   232,   233,   234,   240,   241,   242,   243,   244,   249,
-     253,   254,   255,   256,   257,   258,   259,   260,   261,   262,
-     263,   269,   270,   271,   272,   276,   277,   278,   282,   290,
-     298,   302,   316,   317,   321,   343,   343,   348,   348,   353,
-     363,   378,   379,   380,   384,   385,   390,   391,   396,   400,
-     405,   411,   417,   428,   429,   438,   439,   445,   446,   447,
-     454,   454,   458,   459,   460,   465,   466,   468,   470,   472,
-     474,   487,   489,   498,   503,   504,   509,   518,   523,   525
+       0,   251,   251,   259,   261,   265,   266,   276,   280,   285,
+     286,   291,   296,   297,   298,   299,   300,   305,   314,   315,
+     316,   317,   318,   319,   320,   321,   321,   322,   323,   347,
+     348,   349,   350,   354,   355,   364,   365,   366,   370,   377,
+     384,   388,   392,   399,   414,   415,   419,   431,   431,   436,
+     436,   441,   452,   467,   468,   469,   470,   474,   475,   480,
+     482,   487,   488,   493,   495,   500,   501,   505,   506,   507,
+     508,   513,   518,   523,   529,   535,   546,   547,   556,   557,
+     563,   564,   565,   572,   572,   577,   578,   579,   584,   586,
+     588,   590,   592,   594,   599,   601,   612,   613,   618,   619,
+     620,   629,   649,   651,   660,   665,   666,   671,   678,   680

 };
 #endif
 
 };
 #endif
 


@@ -603,30 +666,32 @@ static const char *const yytname[] =
 {
   "\"end of file\"", "error", "$undefined", "\"string\"", "\"integer\"",
   "\"%token\"", "\"%nterm\"", "\"%type\"", "\"%destructor\"",
 {
   "\"end of file\"", "error", "$undefined", "\"string\"", "\"integer\"",
   "\"%token\"", "\"%nterm\"", "\"%type\"", "\"%destructor\"",

-  "\"%printer\"", "\"%left\"", "\"%right\"", "\"%nonassoc\"", "\"%prec\"",
-  "\"%dprec\"", "\"%merge\"", "\"%after-header\"", "\"%before-header\"",
-  "\"%debug\"", "\"%default-prec\"", "\"%define\"", "\"%defines\"",
-  "\"%end-header\"", "\"%error-verbose\"", "\"%expect\"", "\"%expect-rr\"",
-  "\"%file-prefix\"", "\"%glr-parser\"", "\"%initial-action\"",
-  "\"%lex-param\"", "\"%locations\"", "\"%name-prefix\"",
-  "\"%no-default-prec\"", "\"%no-lines\"", "\"%nondeterministic-parser\"",
-  "\"%output\"", "\"%parse-param\"", "\"%pure-parser\"", "\"%require\"",
-  "\"%skeleton\"", "\"%start\"", "\"%start-header\"", "\"%token-table\"",
-  "\"%verbose\"", "\"%yacc\"", "\"{...}\"", "\"char\"", "\"epilogue\"",
+  "\"%printer\"", "\"%left\"", "\"%right\"", "\"%nonassoc\"",
+  "\"%precedence\"", "\"%prec\"", "\"%dprec\"", "\"%merge\"", "\"%code\"",
+  "\"%default-prec\"", "\"%define\"", "\"%defines\"", "\"%error-verbose\"",
+  "\"%expect\"", "\"%expect-rr\"", "\"%<flag>\"", "\"%file-prefix\"",
+  "\"%glr-parser\"", "\"%initial-action\"", "\"%language\"",
+  "\"%name-prefix\"", "\"%no-default-prec\"", "\"%no-lines\"",
+  "\"%nondeterministic-parser\"", "\"%output\"", "\"%require\"",
+  "\"%skeleton\"", "\"%start\"", "\"%token-table\"", "\"%verbose\"",
+  "\"%yacc\"", "\"{...}\"", "\"[identifier]\"", "\"char\"", "\"epilogue\"",

   "\"=\"", "\"identifier\"", "\"identifier:\"", "\"%%\"", "\"|\"",
   "\"=\"", "\"identifier\"", "\"identifier:\"", "\"%%\"", "\"|\"",

-  "\"%{...%}\"", "\";\"", "\"type\"", "\"%union\"", "$accept", "input",
-  "declarations", "declaration", "grammar_declaration", "union_name",
-  "symbol_declaration", "@1", "@2", "precedence_declaration",
-  "precedence_declarator", "type.opt", "symbols.1", "symbol_def",
-  "symbol_defs.1", "grammar", "rules_or_grammar_declaration", "rules",
-  "@3", "rhses.1", "rhs", "id", "id_colon", "symbol", "string_as_id",
-  "string_content", "epilogue.opt", 0
+  "\"%{...%}\"", "\";\"", "\"<tag>\"", "\"<*>\"", "\"<>\"", "\"%param\"",
+  "\"%union\"", "$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", 0

 };
 #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,


@@ -634,166 +699,180 @@ 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,   307,   308,   309,   310,   311
+     305,   306,   307,   308,   309,   310

 };
 # endif
 
 };
 # endif
 

-/* YYR1[YYN] -- Symbol number of symbol that rule YYN derives.  */
-static const yytype_uint8 yyr1[] =
-{
-       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,    60,    60,    60,    60,    60,
-      60,    60,    60,    60,    60,    61,    61,    61,    61,    61,
-      61,    61,    62,    62,    61,    64,    63,    65,    63,    63,
-      66,    67,    67,    67,    68,    68,    69,    69,    70,    70,
-      70,    70,    70,    71,    71,    72,    72,    73,    73,    73,
-      75,    74,    76,    76,    76,    77,    77,    77,    77,    77,
-      77,    78,    78,    79,    80,    80,    81,    82,    83,    83
-};
+#define YYPACT_NINF -137

 
 

-/* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN.  */
-static const yytype_uint8 yyr2[] =
+#define yypact_value_is_default(yystate) \
+  ((yystate) == (-137))
+
+#define YYTABLE_NINF -109
+
+#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,     2,     4,     0,     2,     1,     1,     2,     2,     1,
-       2,     3,     1,     2,     1,     2,     2,     3,     1,     2,
-       2,     1,     3,     1,     1,     3,     2,     1,     2,     2,
-       2,     1,     1,     1,     1,     1,     1,     2,     3,     3,
-       1,     1,     0,     1,     3,     0,     3,     0,     3,     3,
-       3,     1,     1,     1,     0,     1,     1,     2,     1,     1,
-       2,     2,     3,     1,     2,     1,     2,     1,     2,     2,
-       0,     3,     1,     3,     2,     0,     2,     2,     3,     3,
-       3,     1,     1,     1,     1,     1,     1,     1,     0,     2
+    -137,    20,   106,  -137,  -137,  -137,    19,    -1,    36,  -137,
+    -137,  -137,  -137,    13,  -137,     0,    79,  -137,    89,    90,
+    -137,    41,  -137,    55,    93,    46,  -137,  -137,  -137,    47,
+      94,    95,    35,  -137,  -137,  -137,    16,  -137,  -137,  -137,
+      54,  -137,  -137,  -137,  -137,    49,    33,    33,    35,    12,
+      12,  -137,    61,  -137,  -137,  -137,    29,  -137,  -137,  -137,
+    -137,   100,  -137,  -137,  -137,   101,  -137,   103,  -137,  -137,
+    -137,  -137,  -137,  -137,  -137,  -137,    57,  -137,    58,     1,
+    -137,  -137,    68,    80,  -137,    61,  -137,    35,  -137,  -137,
+      33,    56,    33,    35,  -137,  -137,  -137,  -137,    12,  -137,
+    -137,    12,  -137,  -137,  -137,  -137,  -137,  -137,  -137,  -137,
+    -137,    78,  -137,  -137,  -137,  -137,  -137,    82,  -137,    35,
+    -137,   142,  -137,   144,  -137,  -137,  -137,  -137,  -137,  -137,
+    -137,  -137,  -137,    18,    27,  -137,  -137,    35,   145,    97,
+      68,    68,    27,  -137,  -137,  -137,  -137,  -137

 };
 
 };
 

-/* 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.  */
+  /* 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[] =
 {
 static const yytype_uint8 yydefact[] =
 {

-       3,     0,     0,     1,    47,    45,     0,     0,     0,    51,
-      52,    53,     0,     0,     9,    40,     0,    12,     0,    14,
-       0,     0,     0,    18,     0,     0,    21,     0,    41,    23,
-      24,     0,     0,    27,     0,     0,     0,     0,    31,    32,
-      33,     0,     6,    34,    42,     4,     5,    36,    35,    54,
-       0,     0,     0,     0,     0,     7,     8,    87,    10,    13,
-      15,    16,     0,    19,    20,     0,     0,    26,    28,    29,
-      86,    82,    81,    84,    37,    85,    30,     0,    83,     0,
-       0,    65,    67,    70,    43,     0,    55,     0,    58,    63,
-      48,    59,    46,    49,    56,    38,    39,    11,    17,    22,
-      25,    69,    68,     0,    66,     2,    75,    44,    50,    64,
-      60,    61,    57,    89,    71,    72,    62,    75,    74,     0,
-       0,     0,    77,    76,    73,    78,    79,    80
+       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,   101,     0,    42,    97,    96,    98,    10,    12,    13,
+      14,     0,    17,    18,    19,     0,    23,     0,    27,    28,
+     107,   103,   102,   105,    37,   106,     0,   104,     0,     0,
+      78,    80,    94,     0,    45,     0,    58,     0,    71,    76,
+      50,    72,    48,    51,    63,    68,    69,    70,    38,    65,
+      67,    39,    43,   100,    99,     8,    15,    20,    24,    82,
+      81,     0,    79,     2,    95,    83,    34,    26,    46,    52,
+      59,    61,    77,    73,    74,    64,    66,   109,    88,    33,
+      60,    62,    75,    84,    85,    88,    87,     0,     0,     0,
+      94,    94,    86,    91,    92,    93,    90,    89

 };
 
 };
 

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

 {
 {

-      -1,     1,     2,    45,    79,    85,    47,    51,    50,    48,
-      49,    87,    93,    89,    90,    80,    81,    82,   106,   114,
-     115,    73,    83,    94,    75,    58,   105
+    -137,  -137,  -137,  -137,  -137,  -137,   148,  -137,  -137,  -137,
+    -137,  -137,  -137,  -137,  -137,    32,  -137,   102,    -9,    -4,
+     107,  -137,    83,  -137,  -137,  -137,    22,  -136,  -137,  -137,
+     -12,   -11,  -137,   -32,   -40,  -137

 };
 
 };
 

-/* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing
-   STATE-NUM.  */
-#define YYPACT_NINF -76
-static const yytype_int16 yypact[] =
+  /* YYDEFGOTO[NTERM-NUM].    */
+static const yytype_int16 yydefgoto[] =

 {
 {

-     -76,     6,   136,   -76,   -76,   -76,   -40,   -12,    -9,   -76,
-     -76,   -76,    -5,     1,   -76,   -76,    40,   -76,     5,   -76,
-      47,    50,     7,   -76,    11,    18,   -76,    19,   -76,   -76,
-     -76,    20,    25,   -76,    40,    40,    -2,    26,   -76,   -76,
-     -76,    84,   -76,   -76,    27,   -76,   -76,   -76,   -76,    14,
-     -23,   -23,    -2,    -2,    -2,   -76,   -76,   -76,    40,   -76,
-     -76,   -76,    40,   -76,   -76,    40,    40,   -76,   -76,   -76,
-     -76,   -76,   -76,   -76,   -76,   -76,   -76,    21,   -76,    23,
-       2,   -76,   -76,   -76,   -76,    28,   -76,    -2,   -76,   -76,
-     -23,    24,   -23,    -2,   -76,    -2,    -2,   -76,   -76,   -76,
-     -76,   -76,   -76,    31,   -76,   -76,   -76,   -76,    -2,   -76,
-      71,   -76,   -76,   -76,   -32,    16,   -76,   -76,   -76,    -2,
-      76,    29,   -76,   -76,    16,   -76,   -76,   -76
+      -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

 };
 
 };
 

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

 {
 {

-     -76,   -76,   -76,   -76,    79,   -76,   -76,   -76,   -76,   -76,
-     -76,   -76,   -49,   -53,    35,   -76,    17,   -76,   -76,   -76,
-     -35,   -26,   -76,   -36,   -75,   -17,   -76
-};
-
-/* 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 -89
-static const yytype_int8 yytable[] =
-{
-      74,    70,   -88,    77,    95,    96,     3,     4,     5,     6,
-       7,     8,     9,    10,    11,    52,   111,    68,    69,    70,
-     117,    15,   118,    71,    91,    91,    72,    70,   110,   119,
-     120,   121,    88,    53,    28,   116,    54,   109,   108,   109,
-      55,    97,    36,    57,    71,    98,    56,    72,    99,   100,
-      59,    60,    78,   103,    61,    62,    63,   112,    44,   112,
-     112,   122,    71,    64,    91,    72,    91,    65,    66,    86,
-      67,    76,   112,   107,    70,   101,    84,   102,   113,   123,
-     126,    46,   124,   125,   127,    77,    92,     0,   123,     4,
-       5,     6,     7,     8,     9,    10,    11,   104,     0,     0,
-       0,     0,     0,    15,     0,     0,     0,     0,     0,     0,
-       0,     0,     0,     0,     0,     0,    28,     0,     0,     0,
-       0,     0,     0,     0,    36,     0,     0,     0,     0,     0,
-       0,     0,     0,     0,    78,     0,     0,     0,     0,     0,
-      44,     4,     5,     6,     7,     8,     9,    10,    11,     0,
-       0,     0,    12,    13,    14,    15,    16,    17,    18,    19,
+      74,  -108,    76,    54,   146,   147,     4,     5,     6,     7,
+       8,     9,    10,    11,    12,    70,    94,    76,    13,    14,
+       3,     4,     5,     6,     7,     8,     9,    10,    11,    12,
+      70,    26,   103,    13,    14,    91,    91,    32,    70,    49,
+     102,   137,   138,   139,    60,    55,    26,    77,   111,    64,
+      66,   124,    32,    51,    71,   121,    40,    72,    52,    70,
+     123,   125,    77,    95,    96,    97,   135,   140,   136,    71,
+      48,    40,    72,   118,   104,    71,    50,    71,    72,    91,
+      72,    91,    57,   132,    88,    61,   122,   121,   122,   126,
+      65,    67,   126,    58,    59,    62,    63,    68,    69,    84,
+      86,    51,   141,   106,   107,   143,   108,   109,   110,   114,
+     141,     4,     5,     6,     7,     8,     9,    10,    11,    12,
+     116,   127,   129,    13,    14,    15,    16,    17,    18,    19,

       20,    21,    22,    23,    24,    25,    26,    27,    28,    29,
       20,    21,    22,    23,    24,    25,    26,    27,    28,    29,

-      30,    31,    32,    33,    34,    35,    36,    37,    38,    39,
-      40,     0,     0,     0,     0,     0,     0,    41,     0,    42,
-      43,     0,    44
+      30,    31,    32,    33,    34,    35,   131,    70,   145,   144,
+      42,   130,   101,    36,    92,    37,    38,   142,     0,     0,
+      39,    40,   112

 };
 
 };
 

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

 {
 {

-      36,     3,     0,     1,    53,    54,     0,     5,     6,     7,
-       8,     9,    10,    11,    12,    55,    91,    34,    35,     3,
-      52,    19,    54,    46,    50,    51,    49,     3,     4,    13,
-      14,    15,    55,    45,    32,   110,    45,    90,    87,    92,
-      45,    58,    40,     3,    46,    62,    45,    49,    65,    66,
-      45,     4,    50,    51,     4,    48,    45,    93,    56,    95,
-      96,    45,    46,    45,    90,    49,    92,    48,    48,    55,
-      45,    45,   108,    45,     3,    54,    49,    54,    47,   115,
-       4,     2,   117,   119,    55,     1,    51,    -1,   124,     5,
-       6,     7,     8,     9,    10,    11,    12,    80,    -1,    -1,
-      -1,    -1,    -1,    19,    -1,    -1,    -1,    -1,    -1,    -1,
-      -1,    -1,    -1,    -1,    -1,    -1,    32,    -1,    -1,    -1,
-      -1,    -1,    -1,    -1,    40,    -1,    -1,    -1,    -1,    -1,
-      -1,    -1,    -1,    -1,    50,    -1,    -1,    -1,    -1,    -1,
-      56,     5,     6,     7,     8,     9,    10,    11,    12,    -1,
-      -1,    -1,    16,    17,    18,    19,    20,    21,    22,    23,
+      32,     0,     1,     3,   140,   141,     5,     6,     7,     8,
+       9,    10,    11,    12,    13,     3,    48,     1,    17,    18,
+       0,     5,     6,     7,     8,     9,    10,    11,    12,    13,
+       3,    30,     3,    17,    18,    46,    47,    36,     3,    40,
+      52,    14,    15,    16,     3,    45,    30,    46,    47,     3,
+       3,    91,    36,    40,    42,    87,    55,    45,    45,     3,
+       4,    93,    46,    51,    52,    53,    48,    40,    50,    42,
+      51,    55,    45,    85,    45,    42,    40,    42,    45,    90,
+      45,    92,     3,   123,    51,    44,    90,   119,    92,    98,
+      44,    44,   101,     4,     4,    40,     3,     3,     3,    45,
+      51,    40,   134,     3,     3,   137,     3,    50,    50,    41,
+     142,     5,     6,     7,     8,     9,    10,    11,    12,    13,
+      40,    43,    40,    17,    18,    19,    20,    21,    22,    23,

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

-      34,    35,    36,    37,    38,    39,    40,    41,    42,    43,
-      44,    -1,    -1,    -1,    -1,    -1,    -1,    51,    -1,    53,
-      54,    -1,    56
+      34,    35,    36,    37,    38,    39,     4,     3,    51,     4,
+       2,   119,    50,    47,    47,    49,    50,   135,    -1,    -1,
+      54,    55,    79

 };
 
 };
 

-/* YYSTOS[STATE-NUM] -- The (internal number of the) accessing
-   symbol of state STATE-NUM.  */
+  /* STOS_[STATE-NUM] -- The (internal number of the) accessing
+     symbol of state STATE-NUM.    */

 static const yytype_uint8 yystos[] =
 {
 static const yytype_uint8 yystos[] =
 {

-       0,    58,    59,     0,     5,     6,     7,     8,     9,    10,
-      11,    12,    16,    17,    18,    19,    20,    21,    22,    23,
+       0,    57,    58,     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,    38,    39,    40,    41,    42,    43,
-      44,    51,    53,    54,    56,    60,    61,    63,    66,    67,
-      65,    64,    55,    45,    45,    45,    45,     3,    82,    45,
-       4,     4,    48,    45,    45,    48,    48,    45,    82,    82,
-       3,    46,    49,    78,    80,    81,    45,     1,    50,    61,
-      72,    73,    74,    79,    49,    62,    55,    68,    55,    70,
-      71,    78,    71,    69,    80,    69,    69,    82,    82,    82,
-      82,    54,    54,    51,    73,    83,    75,    45,    69,    70,
-       4,    81,    80,    47,    76,    77,    81,    52,    54,    13,
-      14,    15,    45,    80,    77,    80,     4,    55
+      34,    35,    36,    37,    38,    39,    47,    49,    50,    54,
+      55,    59,    62,    64,    67,    68,    66,    65,    51,    40,
+      40,    40,    45,    86,     3,    45,    84,     3,     4,     4,
+       3,    44,    40,     3,     3,    44,     3,    44,     3,     3,
+       3,    42,    45,    87,    89,    90,     1,    46,    62,    77,
+      78,    79,    88,    60,    45,    63,    51,    69,    51,    75,
+      76,    87,    76,    72,    89,    51,    52,    53,    73,    74,
+      89,    73,    86,     3,    45,    85,     3,     3,     3,    50,
+      50,    47,    78,    91,    41,    83,    40,    61,    86,    70,
+      71,    89,    75,     4,    90,    89,    74,    43,    80,    40,
+      71,     4,    90,    81,    82,    48,    50,    14,    15,    16,
+      40,    89,    82,    89,     4,    51,    83,    83
+};
+
+  /* YYR1[YYN] -- Symbol number of symbol that rule YYN derives.    */
+static const yytype_uint8 yyr1[] =
+{
+       0,    56,    57,    58,    58,    59,    59,    59,    59,    59,
+      59,    59,    59,    59,    59,    59,    59,    59,    59,    59,
+      59,    59,    59,    59,    59,    60,    59,    59,    59,    59,
+      59,    59,    59,    61,    61,    62,    62,    62,    62,    62,
+      62,    62,    62,    62,    63,    63,    62,    65,    64,    66,
+      64,    64,    67,    68,    68,    68,    68,    69,    69,    70,
+      70,    71,    71,    72,    72,    73,    73,    74,    74,    74,
+      74,    75,    75,    75,    75,    75,    76,    76,    77,    77,
+      78,    78,    78,    80,    79,    81,    81,    81,    82,    82,
+      82,    82,    82,    82,    83,    83,    84,    84,    85,    85,
+      85,    86,    87,    87,    88,    89,    89,    90,    91,    91
+};
+
+  /* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN.    */
+static const yytype_uint8 yyr2[] =
+{
+       0,     2,     4,     0,     2,     1,     1,     1,     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,     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 yyerrok                (yyerrstatus = 0)
 #define yyclearin      (yychar = YYEMPTY)
 #define YYEMPTY                (-2)


@@ -939,104 +1018,197 @@ yy_symbol_value_print (yyoutput, yytype, yyvaluep, yylocationp)
 # endif
   switch (yytype)
     {
 # endif
   switch (yytype)
     {

-      case 3: /* "\"string\"" */
-/* Line 668 of yacc.c.  */
-#line 174 "parse-gram.y"
-       { fputs (quotearg_style (c_quoting_style, (yyvaluep->chars)), stderr); };
-/* Line 668 of yacc.c.  */
-#line 948 "parse-gram.c"
-       break;
-      case 4: /* "\"integer\"" */
-/* Line 668 of yacc.c.  */
-#line 184 "parse-gram.y"
-       { fprintf (stderr, "%d", (yyvaluep->integer)); };
-/* Line 668 of yacc.c.  */
-#line 955 "parse-gram.c"
-       break;
-      case 45: /* "\"{...}\"" */
-/* Line 668 of yacc.c.  */
-#line 176 "parse-gram.y"
-       { fprintf (stderr, "{\n%s\n}", (yyvaluep->chars)); };
-/* Line 668 of yacc.c.  */
-#line 962 "parse-gram.c"
-       break;
-      case 46: /* "\"char\"" */
-/* Line 668 of yacc.c.  */
-#line 171 "parse-gram.y"
-       { fputs (char_name ((yyvaluep->character)), stderr); };
-/* Line 668 of yacc.c.  */
-#line 969 "parse-gram.c"
-       break;
-      case 47: /* "\"epilogue\"" */
-/* Line 668 of yacc.c.  */
-#line 176 "parse-gram.y"
-       { fprintf (stderr, "{\n%s\n}", (yyvaluep->chars)); };
-/* Line 668 of yacc.c.  */
-#line 976 "parse-gram.c"
-       break;
-      case 49: /* "\"identifier\"" */
-/* Line 668 of yacc.c.  */
-#line 180 "parse-gram.y"
-       { fputs ((yyvaluep->uniqstr), stderr); };
-/* Line 668 of yacc.c.  */
-#line 983 "parse-gram.c"
-       break;
-      case 50: /* "\"identifier:\"" */
-/* Line 668 of yacc.c.  */
-#line 181 "parse-gram.y"
-       { fprintf (stderr, "%s:", (yyvaluep->uniqstr)); };
-/* Line 668 of yacc.c.  */
-#line 990 "parse-gram.c"
-       break;
-      case 53: /* "\"%{...%}\"" */
-/* Line 668 of yacc.c.  */
-#line 176 "parse-gram.y"
-       { fprintf (stderr, "{\n%s\n}", (yyvaluep->chars)); };
-/* Line 668 of yacc.c.  */
-#line 997 "parse-gram.c"
-       break;
-      case 55: /* "\"type\"" */
-/* Line 668 of yacc.c.  */
-#line 179 "parse-gram.y"
-       { fprintf (stderr, "<%s>", (yyvaluep->uniqstr)); };
-/* Line 668 of yacc.c.  */
-#line 1004 "parse-gram.c"
-       break;
-      case 78: /* "id" */
-/* Line 668 of yacc.c.  */
-#line 187 "parse-gram.y"
-       { fprintf (stderr, "%s", (yyvaluep->symbol)->tag); };
-/* Line 668 of yacc.c.  */
-#line 1011 "parse-gram.c"
-       break;
-      case 79: /* "id_colon" */
-/* Line 668 of yacc.c.  */
-#line 188 "parse-gram.y"
-       { fprintf (stderr, "%s:", (yyvaluep->symbol)->tag); };
-/* Line 668 of yacc.c.  */
-#line 1018 "parse-gram.c"
-       break;
-      case 80: /* "symbol" */
-/* Line 668 of yacc.c.  */
-#line 187 "parse-gram.y"
-       { fprintf (stderr, "%s", (yyvaluep->symbol)->tag); };
-/* Line 668 of yacc.c.  */
-#line 1025 "parse-gram.c"
-       break;
-      case 81: /* "string_as_id" */
-/* Line 668 of yacc.c.  */
-#line 187 "parse-gram.y"
-       { fprintf (stderr, "%s", (yyvaluep->symbol)->tag); };
-/* Line 668 of yacc.c.  */
-#line 1032 "parse-gram.c"
-       break;
-      case 82: /* "string_content" */
-/* Line 668 of yacc.c.  */
-#line 174 "parse-gram.y"
-       { fputs (quotearg_style (c_quoting_style, (yyvaluep->chars)), stderr); };
-/* Line 668 of yacc.c.  */
-#line 1039 "parse-gram.c"
-       break;
+            case 3: // "string"
+
+/* Line 715 of yacc.c  */
+#line 175 "src/parse-gram.y"
+        { fputs (quotearg_style (c_quoting_style, ((*yyvaluep).chars)), stderr); }
+/* Line 715 of yacc.c  */
+#line 1028 "src/parse-gram.c"
+        break;
+
+            case 4: // "integer"
+
+/* Line 715 of yacc.c  */
+#line 188 "src/parse-gram.y"
+        { fprintf (stderr, "%d", ((*yyvaluep).integer)); }
+/* Line 715 of yacc.c  */
+#line 1037 "src/parse-gram.c"
+        break;
+
+            case 24: // "%<flag>"
+
+/* Line 715 of yacc.c  */
+#line 184 "src/parse-gram.y"
+        { fprintf (stderr, "%%%s", ((*yyvaluep).uniqstr)); }
+/* Line 715 of yacc.c  */
+#line 1046 "src/parse-gram.c"
+        break;
+
+            case 40: // "{...}"
+
+/* Line 715 of yacc.c  */
+#line 177 "src/parse-gram.y"
+        { fprintf (stderr, "{\n%s\n}", ((*yyvaluep).code)); }
+/* Line 715 of yacc.c  */
+#line 1055 "src/parse-gram.c"
+        break;
+
+            case 41: // "[identifier]"
+
+/* Line 715 of yacc.c  */
+#line 182 "src/parse-gram.y"
+        { fprintf (stderr, "[%s]", ((*yyvaluep).uniqstr)); }
+/* Line 715 of yacc.c  */
+#line 1064 "src/parse-gram.c"
+        break;
+
+            case 42: // "char"
+
+/* Line 715 of yacc.c  */
+#line 169 "src/parse-gram.y"
+        { fputs (char_name (((*yyvaluep).character)), stderr); }
+/* Line 715 of yacc.c  */
+#line 1073 "src/parse-gram.c"
+        break;
+
+            case 43: // "epilogue"
+
+/* Line 715 of yacc.c  */
+#line 177 "src/parse-gram.y"
+        { fprintf (stderr, "{\n%s\n}", ((*yyvaluep).chars)); }
+/* Line 715 of yacc.c  */
+#line 1082 "src/parse-gram.c"
+        break;
+
+            case 45: // "identifier"
+
+/* Line 715 of yacc.c  */
+#line 181 "src/parse-gram.y"
+        { fputs (((*yyvaluep).uniqstr), stderr); }
+/* Line 715 of yacc.c  */
+#line 1091 "src/parse-gram.c"
+        break;
+
+            case 46: // "identifier:"
+
+/* Line 715 of yacc.c  */
+#line 183 "src/parse-gram.y"
+        { fprintf (stderr, "%s:", ((*yyvaluep).uniqstr)); }
+/* Line 715 of yacc.c  */
+#line 1100 "src/parse-gram.c"
+        break;
+
+            case 49: // "%{...%}"
+
+/* Line 715 of yacc.c  */
+#line 177 "src/parse-gram.y"
+        { fprintf (stderr, "{\n%s\n}", ((*yyvaluep).chars)); }
+/* Line 715 of yacc.c  */
+#line 1109 "src/parse-gram.c"
+        break;
+
+            case 51: // "<tag>"
+
+/* Line 715 of yacc.c  */
+#line 185 "src/parse-gram.y"
+        { fprintf (stderr, "<%s>", ((*yyvaluep).uniqstr)); }
+/* Line 715 of yacc.c  */
+#line 1118 "src/parse-gram.c"
+        break;
+
+            case 54: // "%param"
+
+/* Line 715 of yacc.c  */
+#line 231 "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 715 of yacc.c  */
+#line 1138 "src/parse-gram.c"
+        break;
+
+            case 71: // symbol.prec
+
+/* Line 715 of yacc.c  */
+#line 191 "src/parse-gram.y"
+        { fprintf (stderr, "%s", ((*yyvaluep).symbol)->tag); }
+/* Line 715 of yacc.c  */
+#line 1147 "src/parse-gram.c"
+        break;
+
+            case 84: // variable
+
+/* Line 715 of yacc.c  */
+#line 181 "src/parse-gram.y"
+        { fputs (((*yyvaluep).uniqstr), stderr); }
+/* Line 715 of yacc.c  */
+#line 1156 "src/parse-gram.c"
+        break;
+
+            case 85: // content.opt
+
+/* Line 715 of yacc.c  */
+#line 177 "src/parse-gram.y"
+        { fprintf (stderr, "{\n%s\n}", ((*yyvaluep).chars)); }
+/* Line 715 of yacc.c  */
+#line 1165 "src/parse-gram.c"
+        break;
+
+            case 86: // braceless
+
+/* Line 715 of yacc.c  */
+#line 177 "src/parse-gram.y"
+        { fprintf (stderr, "{\n%s\n}", ((*yyvaluep).chars)); }
+/* Line 715 of yacc.c  */
+#line 1174 "src/parse-gram.c"
+        break;
+
+            case 87: // id
+
+/* Line 715 of yacc.c  */
+#line 191 "src/parse-gram.y"
+        { fprintf (stderr, "%s", ((*yyvaluep).symbol)->tag); }
+/* Line 715 of yacc.c  */
+#line 1183 "src/parse-gram.c"
+        break;
+
+            case 88: // id_colon
+
+/* Line 715 of yacc.c  */
+#line 192 "src/parse-gram.y"
+        { fprintf (stderr, "%s:", ((*yyvaluep).symbol)->tag); }
+/* Line 715 of yacc.c  */
+#line 1192 "src/parse-gram.c"
+        break;
+
+            case 89: // symbol
+
+/* Line 715 of yacc.c  */
+#line 191 "src/parse-gram.y"
+        { fprintf (stderr, "%s", ((*yyvaluep).symbol)->tag); }
+/* Line 715 of yacc.c  */
+#line 1201 "src/parse-gram.c"
+        break;
+
+            case 90: // string_as_id
+
+/* Line 715 of yacc.c  */
+#line 191 "src/parse-gram.y"
+        { fprintf (stderr, "%s", ((*yyvaluep).symbol)->tag); }
+/* Line 715 of yacc.c  */
+#line 1210 "src/parse-gram.c"
+        break;
+

       default:
        break;
     }
       default:
        break;
     }


@@ -1110,35 +1282,37 @@ 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)                         \
     }
 }
 
 # define YY_REDUCE_PRINT(Rule)         \
 do {                                   \
   if (yydebug)                         \

-    yy_reduce_print (yyvsp, yylsp, Rule); \
+    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


@@ -1271,111 +1445,121 @@ 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)
+/* Copy into *YYMSG, which is of size *YYMSG_ALLOC, an error message
+   about the unexpected token YYTOKEN while in state YYSTATE.
+
+   Return 0 if *YYMSG was successfully written.  Return 1 if an ordinary
+   "syntax error" message will suffice instead.  Return 2 if *YYMSG is
+   not large enough to hold the message.  In the last case, also set
+   *YYMSG_ALLOC to either (a) the required number of bytes or (b) zero
+   if the required number of bytes is too large to store.  */
+static int
+yysyntax_error (YYSIZE_T *yymsg_alloc, char **yymsg,
+                int yystate, int yytoken)

 {
   int yyn = yypact[yystate];
 
   if (! (YYPACT_NINF < yyn && yyn <= YYLAST))
 {
   int yyn = yypact[yystate];
 
   if (! (YYPACT_NINF < yyn && yyn <= YYLAST))

-    return 0;
+    return 1;

   else
     {
   else
     {

-      int yytype = YYTRANSLATE (yychar);
-      YYSIZE_T yysize0 = yytnamerr (0, yytname[yytype]);
+      YYSIZE_T yysize0 = yytnamerr (0, yytname[yytoken]);

       YYSIZE_T yysize = yysize0;
       YYSIZE_T yysize1;
       YYSIZE_T yysize = yysize0;
       YYSIZE_T yysize1;

-      int yysize_overflow = 0;

       enum { YYERROR_VERBOSE_ARGS_MAXIMUM = 5 };
       enum { YYERROR_VERBOSE_ARGS_MAXIMUM = 5 };

+      /* Internationalized format string. */
+      const char *yyformat = 0;
+      /* Arguments of yyformat. */

       char const *yyarg[YYERROR_VERBOSE_ARGS_MAXIMUM];
       char const *yyarg[YYERROR_VERBOSE_ARGS_MAXIMUM];

-      int yyx;
-
-# if 0
-      /* This is so xgettext sees the translatable formats that are
-        constructed on the fly.  */
-      YY_("syntax error, unexpected %s");
-      YY_("syntax error, unexpected %s, expecting %s");
-      YY_("syntax error, unexpected %s, expecting %s or %s");
-      YY_("syntax error, unexpected %s, expecting %s or %s or %s");
-      YY_("syntax error, unexpected %s, expecting %s or %s or %s or %s");
-# endif
-      char *yyfmt;
-      char const *yyf;
-      static char const yyunexpected[] = "syntax error, unexpected %s";
-      static char const yyexpecting[] = ", expecting %s";
-      static char const yyor[] = " or %s";
-      char yyformat[sizeof yyunexpected
-                   + sizeof yyexpecting - 1
-                   + ((YYERROR_VERBOSE_ARGS_MAXIMUM - 2)
-                      * (sizeof yyor - 1))];
-      char const *yyprefix = yyexpecting;

 
       /* Start YYX at -YYN if negative to avoid negative indexes in
 
       /* Start YYX at -YYN if negative to avoid negative indexes in

-        YYCHECK.  */
+        YYCHECK.  In other words, skip the first -YYN actions for this
+        state because they are default actions.  */

       int yyxbegin = yyn < 0 ? -yyn : 0;
 
       /* Stay within bounds of both yycheck and yytname.  */
       int yychecklim = YYLAST - yyn + 1;
       int yyxend = yychecklim < YYNTOKENS ? yychecklim : YYNTOKENS;
       int yyxbegin = yyn < 0 ? -yyn : 0;
 
       /* Stay within bounds of both yycheck and yytname.  */
       int yychecklim = YYLAST - yyn + 1;
       int yyxend = yychecklim < YYNTOKENS ? yychecklim : YYNTOKENS;

-      int yycount = 1;
+      /* Number of reported tokens (one for the "unexpected", one per
+         "expected"). */
+      int yycount = 0;
+      int yyx;

 
 

-      yyarg[0] = yytname[yytype];
-      yyfmt = yystpcpy (yyformat, yyunexpected);
+      yyarg[yycount++] = yytname[yytoken];

 
       for (yyx = yyxbegin; yyx < yyxend; ++yyx)
 
       for (yyx = yyxbegin; yyx < yyxend; ++yyx)

-       if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR)
+       if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR
+           && !yytable_value_is_error (yytable[yyx + yyn]))

          {
            if (yycount == YYERROR_VERBOSE_ARGS_MAXIMUM)
              {
                yycount = 1;
                yysize = yysize0;
          {
            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]);
                break;
              }
            yyarg[yycount++] = yytname[yyx];
            yysize1 = yysize + yytnamerr (0, yytname[yyx]);

-           yysize_overflow |= (yysize1 < yysize);
+           if (! (yysize <= yysize1
+                  && yysize1 <= YYSTACK_ALLOC_MAXIMUM))
+             {
+               /* Overflow.  */
+               *yymsg_alloc = 0;
+               return 2;
+             }

            yysize = yysize1;
            yysize = yysize1;

-           yyfmt = yystpcpy (yyfmt, yyprefix);
-           yyprefix = yyor;

          }
 
          }
 

-      yyf = YY_(yyformat);
-      yysize1 = yysize + yystrlen (yyf);
-      yysize_overflow |= (yysize1 < yysize);
+      switch (yycount)
+        {
+#define YYCASE_(N, S)                           \
+          case N:                               \
+            yyformat = S;                       \
+          break
+          YYCASE_(1, YY_("syntax error, unexpected %s"));
+          YYCASE_(2, YY_("syntax error, unexpected %s, expecting %s"));
+          YYCASE_(3, YY_("syntax error, unexpected %s, expecting %s or %s"));
+          YYCASE_(4, YY_("syntax error, unexpected %s, expecting %s or %s or %s"));
+          YYCASE_(5, YY_("syntax error, unexpected %s, expecting %s or %s or %s or %s"));
+#undef YYCASE_
+        }
+
+      yysize1 = yysize + yystrlen (yyformat);
+      if (! (yysize <= yysize1 && yysize1 <= YYSTACK_ALLOC_MAXIMUM))
+        {
+          /* Overflow.  */
+          *yymsg_alloc = 0;
+          return 2;
+        }

       yysize = yysize1;
 
       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;
+      if (*yymsg_alloc < yysize)
+        {
+          *yymsg_alloc = 2 * yysize;
+          if (! (yysize <= *yymsg_alloc
+                 && *yymsg_alloc <= YYSTACK_ALLOC_MAXIMUM))
+            *yymsg_alloc = YYSTACK_ALLOC_MAXIMUM;
+          return 2;
+        }
+
+      /* 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 */


@@ -1408,23 +1592,23 @@ yydestruct (yymsg, yytype, yyvaluep, yylocationp)
 
   switch (yytype)
     {
 
   switch (yytype)
     {

-

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

-\f

 
 

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

 
 

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

 #ifdef YYPARSE_PARAM
 #ifdef YYPARSE_PARAM

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

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

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

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


@@ -1432,10 +1616,6 @@ int yyparse ();
 #endif /* ! YYPARSE_PARAM */
 
 
 #endif /* ! YYPARSE_PARAM */
 
 

-
-
-
-

 /*----------.
 | yyparse.  |
 `----------*/
 /*----------.
 | yyparse.  |
 `----------*/


@@ -1462,103 +1642,112 @@ yyparse ()
 #endif
 #endif
 {
 #endif
 #endif
 {

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

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

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

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

-  int yystate;
-  int yyn;
-  int yyresult;
-  /* Number of tokens to shift before error messages enabled.  */
-  int yyerrstatus;
-  /* Lookahead token as an internal (translated) token number.  */
-  int yytoken = 0;
-#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 thru 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;
+
+    /* The locations where the error started and ended.  */
+    YYLTYPE yyerror_range[2];

 
 

-  YYSIZE_T yystacksize = YYINITDEPTH;
+    YYSIZE_T yystacksize;

 
 

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

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

+#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;
+

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

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

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

-

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

+

 #if YYLTYPE_IS_TRIVIAL
   /* Initialize the default location before parsing starts.  */
   yylloc.first_line   = yylloc.last_line   = 1;
   yylloc.first_column = yylloc.last_column = 1;
 #endif
 
 #if YYLTYPE_IS_TRIVIAL
   /* Initialize the default location before parsing starts.  */
   yylloc.first_line   = yylloc.last_line   = 1;
   yylloc.first_column = yylloc.last_column = 1;
 #endif
 

-
-  /* User initialization code.  */
-  /* Line 1080 of yacc.c.  */
-#line 81 "parse-gram.y"
+/* User initialization code.  */
+/* Line 1200 of yacc.c  */
+#line 80 "src/parse-gram.y"

 {
   /* Bison's grammar can initial empty locations, hence a default
      location is needed. */
   boundary_set (&yylloc.start, current_file, 1, 1);
   boundary_set (&yylloc.end, current_file, 1, 1);
 }
 {
   /* Bison's grammar can initial empty locations, hence a default
      location is needed. */
   boundary_set (&yylloc.start, current_file, 1, 1);
   boundary_set (&yylloc.end, current_file, 1, 1);
 }

-/* Line 1080 of yacc.c.  */
-#line 1561 "parse-gram.c"
+/* Line 1200 of yacc.c  */
+#line 1749 "src/parse-gram.c"

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

+

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


@@ -1595,6 +1784,7 @@ YYLTYPE yylloc;
                    &yyvs1, yysize * sizeof (*yyvsp),
                    &yyls1, yysize * sizeof (*yylsp),
                    &yystacksize);
                    &yyvs1, yysize * sizeof (*yyvsp),
                    &yyls1, yysize * sizeof (*yylsp),
                    &yystacksize);

+

        yyls = yyls1;
        yyss = yyss1;
        yyvs = yyvs1;
        yyls = yyls1;
        yyss = yyss1;
        yyvs = yyvs1;


@@ -1616,9 +1806,9 @@ YYLTYPE yylloc;
          (union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize));
        if (! yyptr)
          goto yyexhaustedlab;
          (union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize));
        if (! yyptr)
          goto yyexhaustedlab;

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

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


@@ -1639,6 +1829,9 @@ YYLTYPE yylloc;
 
   YYDPRINTF ((stderr, "Entering state %d\n", yystate));
 
 
   YYDPRINTF ((stderr, "Entering state %d\n", yystate));
 

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

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


@@ -1651,7 +1844,7 @@ yybackup:
 
   /* First try to decide what to do without reference to lookahead token.  */
   yyn = yypact[yystate];
 
   /* First try to decide what to do without reference to lookahead token.  */
   yyn = yypact[yystate];

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

     goto yydefault;
 
   /* Not known => get a lookahead token if don't already have one.  */
     goto yydefault;
 
   /* Not known => get a lookahead token if don't already have one.  */


@@ -1682,15 +1875,12 @@ yybackup:
   yyn = yytable[yyn];
   if (yyn <= 0)
     {
   yyn = yytable[yyn];
   if (yyn <= 0)
     {

-      if (yyn == 0 || yyn == YYTABLE_NINF)
+      if (yytable_value_is_error (yyn))

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

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

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


@@ -1699,9 +1889,8 @@ yybackup:
   /* Shift the lookahead token.  */
   YY_SYMBOL_PRINT ("Shifting", yytoken, &yylval, &yylloc);
 
   /* Shift the lookahead token.  */
   YY_SYMBOL_PRINT ("Shifting", yytoken, &yylval, &yylloc);
 

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

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


@@ -1742,537 +1931,857 @@ yyreduce:
   switch (yyn)
     {
         case 6:
   switch (yyn)
     {
         case 6:

-/* Line 1268 of yacc.c.  */
-#line 211 "parse-gram.y"
+/* Line 1413 of yacc.c  */
+#line 267 "src/parse-gram.y"

     {
     {

-      prologue_augment (translate_code ((yyvsp[(1) - (1)].chars), (yylsp[(1) - (1)])), (yylsp[(1) - (1)]), typed);
+      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 1413 of yacc.c  */
+#line 1947 "src/parse-gram.c"

     break;
 
   case 7:
     break;
 
   case 7:

-/* Line 1268 of yacc.c.  */
-#line 215 "parse-gram.y"
+/* Line 1413 of yacc.c  */
+#line 277 "src/parse-gram.y"

     {
     {

-      /* Remove the '{', and replace the '}' with '\n'.  */
-      (yyvsp[(2) - (2)].chars)[strlen ((yyvsp[(2) - (2)].chars)) - 1] = '\n';
-      prologue_augment (translate_code ((yyvsp[(2) - (2)].chars)+1, (yylsp[(2) - (2)])), (yylsp[(2) - (2)]), true);
+      muscle_percent_define_ensure ((yyvsp[0].uniqstr), (yylsp[0]), true);

     }
     }

+/* Line 1413 of yacc.c  */
+#line 1957 "src/parse-gram.c"

     break;
 
   case 8:
     break;
 
   case 8:

-/* Line 1268 of yacc.c.  */
-#line 221 "parse-gram.y"
+/* Line 1413 of yacc.c  */
+#line 281 "src/parse-gram.y"

     {
     {

-      /* Remove the '{', and replace the '}' with '\n'.  */
-      (yyvsp[(2) - (2)].chars)[strlen ((yyvsp[(2) - (2)].chars)) - 1] = '\n';
-      prologue_augment (translate_code ((yyvsp[(2) - (2)].chars)+1, (yylsp[(2) - (2)])), (yylsp[(2) - (2)]), false);
+      muscle_percent_define_insert ((yyvsp[-1].uniqstr), (yylsp[-1]), (yyvsp[0].chars),
+                                    MUSCLE_PERCENT_DEFINE_GRAMMAR_FILE);

     }
     }

+/* Line 1413 of yacc.c  */
+#line 1968 "src/parse-gram.c"

     break;
 
   case 9:
     break;
 
   case 9:

-/* Line 1268 of yacc.c.  */
-#line 226 "parse-gram.y"
-    { debug_flag = true; }
+/* Line 1413 of yacc.c  */
+#line 285 "src/parse-gram.y"
+    { defines_flag = true; }
+/* Line 1413 of yacc.c  */
+#line 1976 "src/parse-gram.c"

     break;
 
   case 10:
     break;
 
   case 10:

-/* Line 1268 of yacc.c.  */
-#line 228 "parse-gram.y"
+/* Line 1413 of yacc.c  */
+#line 287 "src/parse-gram.y"

     {
     {

-      static char one[] = "1";
-      muscle_insert ((yyvsp[(2) - (2)].chars), one);
+      defines_flag = true;
+      spec_defines_file = xstrdup ((yyvsp[0].chars));

     }
     }

+/* Line 1413 of yacc.c  */
+#line 1987 "src/parse-gram.c"

     break;
 
   case 11:
     break;
 
   case 11:

-/* Line 1268 of yacc.c.  */
-#line 232 "parse-gram.y"
-    { muscle_insert ((yyvsp[(2) - (3)].chars), (yyvsp[(3) - (3)].chars)); }
+/* Line 1413 of yacc.c  */
+#line 292 "src/parse-gram.y"
+    {
+      muscle_percent_define_insert ("parse.error", (yylsp[0]), "verbose",
+                                    MUSCLE_PERCENT_DEFINE_GRAMMAR_FILE);
+    }
+/* Line 1413 of yacc.c  */
+#line 1998 "src/parse-gram.c"

     break;
 
   case 12:
     break;
 
   case 12:

-/* Line 1268 of yacc.c.  */
-#line 233 "parse-gram.y"
-    { defines_flag = true; }
+/* Line 1413 of yacc.c  */
+#line 296 "src/parse-gram.y"
+    { expected_sr_conflicts = (yyvsp[0].integer); }
+/* Line 1413 of yacc.c  */
+#line 2006 "src/parse-gram.c"

     break;
 
   case 13:
     break;
 
   case 13:

-/* Line 1268 of yacc.c.  */
-#line 235 "parse-gram.y"
-    {
-      /* Remove the '{', and replace the '}' with '\n'.  */
-      (yyvsp[(2) - (2)].chars)[strlen ((yyvsp[(2) - (2)].chars)) - 1] = '\n';
-      muscle_code_grow ("end_header", translate_code ((yyvsp[(2) - (2)].chars)+1, (yylsp[(2) - (2)])), (yylsp[(2) - (2)]));
-    }
+/* Line 1413 of yacc.c  */
+#line 297 "src/parse-gram.y"
+    { expected_rr_conflicts = (yyvsp[0].integer); }
+/* Line 1413 of yacc.c  */
+#line 2014 "src/parse-gram.c"

     break;
 
   case 14:
     break;
 
   case 14:

-/* Line 1268 of yacc.c.  */
-#line 240 "parse-gram.y"
-    { error_verbose = true; }
+/* Line 1413 of yacc.c  */
+#line 298 "src/parse-gram.y"
+    { spec_file_prefix = (yyvsp[0].chars); }
+/* Line 1413 of yacc.c  */
+#line 2022 "src/parse-gram.c"

     break;
 
   case 15:
     break;
 
   case 15:

-/* Line 1268 of yacc.c.  */
-#line 241 "parse-gram.y"
-    { expected_sr_conflicts = (yyvsp[(2) - (2)].integer); }
+/* Line 1413 of yacc.c  */
+#line 299 "src/parse-gram.y"
+    { spec_file_prefix = (yyvsp[0].chars); }
+/* Line 1413 of yacc.c  */
+#line 2030 "src/parse-gram.c"

     break;
 
   case 16:
     break;
 
   case 16:

-/* Line 1268 of yacc.c.  */
-#line 242 "parse-gram.y"
-    { expected_rr_conflicts = (yyvsp[(2) - (2)].integer); }
+/* Line 1413 of yacc.c  */
+#line 301 "src/parse-gram.y"
+    {
+      nondeterministic_parser = true;
+      glr_parser = true;
+    }
+/* Line 1413 of yacc.c  */
+#line 2041 "src/parse-gram.c"

     break;
 
   case 17:
     break;
 
   case 17:

-/* Line 1268 of yacc.c.  */
-#line 243 "parse-gram.y"
-    { spec_file_prefix = (yyvsp[(3) - (3)].chars); }
+/* Line 1413 of yacc.c  */
+#line 306 "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 1413 of yacc.c  */
+#line 2056 "src/parse-gram.c"

     break;
 
   case 18:
     break;
 
   case 18:

-/* Line 1268 of yacc.c.  */
-#line 245 "parse-gram.y"
-    {
-      nondeterministic_parser = true;
-      glr_parser = true;
-    }
+/* Line 1413 of yacc.c  */
+#line 314 "src/parse-gram.y"
+    { language_argmatch ((yyvsp[0].chars), grammar_prio, (yylsp[-1])); }
+/* Line 1413 of yacc.c  */
+#line 2064 "src/parse-gram.c"

     break;
 
   case 19:
     break;
 
   case 19:

-/* Line 1268 of yacc.c.  */
-#line 250 "parse-gram.y"
-    {
-      muscle_code_grow ("initial_action", translate_symbol_action ((yyvsp[(2) - (2)].chars), (yylsp[(2) - (2)])), (yylsp[(2) - (2)]));
-    }
+/* Line 1413 of yacc.c  */
+#line 315 "src/parse-gram.y"
+    { spec_name_prefix = (yyvsp[0].chars); }
+/* Line 1413 of yacc.c  */
+#line 2072 "src/parse-gram.c"

     break;
 
   case 20:
     break;
 
   case 20:

-/* Line 1268 of yacc.c.  */
-#line 253 "parse-gram.y"
-    { add_param ("lex_param", (yyvsp[(2) - (2)].chars), (yylsp[(2) - (2)])); }
+/* Line 1413 of yacc.c  */
+#line 316 "src/parse-gram.y"
+    { spec_name_prefix = (yyvsp[0].chars); }
+/* Line 1413 of yacc.c  */
+#line 2080 "src/parse-gram.c"

     break;
 
   case 21:
     break;
 
   case 21:

-/* Line 1268 of yacc.c.  */
-#line 254 "parse-gram.y"
-    { locations_flag = true; }
+/* Line 1413 of yacc.c  */
+#line 317 "src/parse-gram.y"
+    { no_lines_flag = true; }
+/* Line 1413 of yacc.c  */
+#line 2088 "src/parse-gram.c"

     break;
 
   case 22:
     break;
 
   case 22:

-/* Line 1268 of yacc.c.  */
-#line 255 "parse-gram.y"
-    { spec_name_prefix = (yyvsp[(3) - (3)].chars); }
+/* Line 1413 of yacc.c  */
+#line 318 "src/parse-gram.y"
+    { nondeterministic_parser = true; }
+/* Line 1413 of yacc.c  */
+#line 2096 "src/parse-gram.c"

     break;
 
   case 23:
     break;
 
   case 23:

-/* Line 1268 of yacc.c.  */
-#line 256 "parse-gram.y"
-    { no_lines_flag = true; }
+/* Line 1413 of yacc.c  */
+#line 319 "src/parse-gram.y"
+    { spec_outfile = (yyvsp[0].chars); }
+/* Line 1413 of yacc.c  */
+#line 2104 "src/parse-gram.c"

     break;
 
   case 24:
     break;
 
   case 24:

-/* Line 1268 of yacc.c.  */
-#line 257 "parse-gram.y"
-    { nondeterministic_parser = true; }
+/* Line 1413 of yacc.c  */
+#line 320 "src/parse-gram.y"
+    { spec_outfile = (yyvsp[0].chars); }
+/* Line 1413 of yacc.c  */
+#line 2112 "src/parse-gram.c"

     break;
 
   case 25:
     break;
 
   case 25:

-/* Line 1268 of yacc.c.  */
-#line 258 "parse-gram.y"
-    { spec_outfile = (yyvsp[(3) - (3)].chars); }
+/* Line 1413 of yacc.c  */
+#line 321 "src/parse-gram.y"
+    { current_param = (yyvsp[0].param); }
+/* Line 1413 of yacc.c  */
+#line 2120 "src/parse-gram.c"

     break;
 
   case 26:
     break;
 
   case 26:

-/* Line 1268 of yacc.c.  */
-#line 259 "parse-gram.y"
-    { add_param ("parse_param", (yyvsp[(2) - (2)].chars), (yylsp[(2) - (2)])); }
+/* Line 1413 of yacc.c  */
+#line 321 "src/parse-gram.y"
+    { current_param = param_none; }
+/* Line 1413 of yacc.c  */
+#line 2128 "src/parse-gram.c"

     break;
 
   case 27:
     break;
 
   case 27:

-/* Line 1268 of yacc.c.  */
-#line 260 "parse-gram.y"
-    { pure_parser = true; }
+/* Line 1413 of yacc.c  */
+#line 322 "src/parse-gram.y"
+    { version_check (&(yylsp[0]), (yyvsp[0].chars)); }
+/* Line 1413 of yacc.c  */
+#line 2136 "src/parse-gram.c"

     break;
 
   case 28:
     break;
 
   case 28:

-/* Line 1268 of yacc.c.  */
-#line 261 "parse-gram.y"
-    { version_check (&(yylsp[(2) - (2)]), (yyvsp[(2) - (2)].chars)); }
+/* Line 1413 of yacc.c  */
+#line 324 "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)
+            {
+              strncpy (skeleton_build, current_file, dir_length);
+              skeleton_build[dir_length++] = '/';
+            }
+          strcpy (skeleton_build + dir_length, skeleton_user);
+          skeleton_user = uniqstr_new (skeleton_build);
+          free (skeleton_build);
+        }
+      skeleton_arg (skeleton_user, grammar_prio, (yylsp[-1]));
+    }
+/* Line 1413 of yacc.c  */
+#line 2166 "src/parse-gram.c"

     break;
 
   case 29:
     break;
 
   case 29:

-/* Line 1268 of yacc.c.  */
-#line 262 "parse-gram.y"
-    { skeleton = (yyvsp[(2) - (2)].chars); }
+/* Line 1413 of yacc.c  */
+#line 347 "src/parse-gram.y"
+    { token_table_flag = true; }
+/* Line 1413 of yacc.c  */
+#line 2174 "src/parse-gram.c"

     break;
 
   case 30:
     break;
 
   case 30:

-/* Line 1268 of yacc.c.  */
-#line 264 "parse-gram.y"
-    {
-      /* Remove the '{', and replace the '}' with '\n'.  */
-      (yyvsp[(2) - (2)].chars)[strlen ((yyvsp[(2) - (2)].chars)) - 1] = '\n';
-      muscle_code_grow ("start_header", translate_code ((yyvsp[(2) - (2)].chars)+1, (yylsp[(2) - (2)])), (yylsp[(2) - (2)]));
-    }
+/* Line 1413 of yacc.c  */
+#line 348 "src/parse-gram.y"
+    { report_flag |= report_states; }
+/* Line 1413 of yacc.c  */
+#line 2182 "src/parse-gram.c"

     break;
 
   case 31:
     break;
 
   case 31:

-/* Line 1268 of yacc.c.  */
-#line 269 "parse-gram.y"
-    { token_table_flag = true; }
+/* Line 1413 of yacc.c  */
+#line 349 "src/parse-gram.y"
+    { yacc_flag = true; }
+/* Line 1413 of yacc.c  */
+#line 2190 "src/parse-gram.c"

     break;
 
     break;
 

-  case 32:
-/* Line 1268 of yacc.c.  */
-#line 270 "parse-gram.y"
-    { report_flag = report_states; }
+  case 33:
+/* Line 1413 of yacc.c  */
+#line 354 "src/parse-gram.y"
+    { add_param (current_param, (yyvsp[0].code), (yylsp[0])); }
+/* Line 1413 of yacc.c  */
+#line 2198 "src/parse-gram.c"

     break;
 
     break;
 

-  case 33:
-/* Line 1268 of yacc.c.  */
-#line 271 "parse-gram.y"
-    { yacc_flag = true; }
+  case 34:
+/* Line 1413 of yacc.c  */
+#line 355 "src/parse-gram.y"
+    { add_param (current_param, (yyvsp[0].code), (yylsp[0])); }
+/* Line 1413 of yacc.c  */
+#line 2206 "src/parse-gram.c"

     break;
 
   case 37:
     break;
 
   case 37:

-/* Line 1268 of yacc.c.  */
-#line 279 "parse-gram.y"
+/* Line 1413 of yacc.c  */
+#line 367 "src/parse-gram.y"

     {
     {

-      grammar_start_symbol_set ((yyvsp[(2) - (2)].symbol), (yylsp[(2) - (2)]));
+      grammar_start_symbol_set ((yyvsp[0].symbol), (yylsp[0]));

     }
     }

+/* Line 1413 of yacc.c  */
+#line 2216 "src/parse-gram.c"

     break;
 
   case 38:
     break;
 
   case 38:

-/* Line 1268 of yacc.c.  */
-#line 283 "parse-gram.y"
+/* Line 1413 of yacc.c  */
+#line 371 "src/parse-gram.y"

     {
       symbol_list *list;
     {
       symbol_list *list;

-      const char *action = translate_symbol_action ((yyvsp[(2) - (3)].chars), (yylsp[(2) - (3)]));
-      for (list = (yyvsp[(3) - (3)].list); list; list = list->next)
-       symbol_destructor_set (list->sym, action, (yylsp[(2) - (3)]));
-      symbol_list_free ((yyvsp[(3) - (3)].list));
+      for (list = (yyvsp[0].list); list; list = list->next)
+       symbol_list_destructor_set (list, (yyvsp[-1].code), (yylsp[-1]));
+      symbol_list_free ((yyvsp[0].list));

     }
     }

+/* Line 1413 of yacc.c  */
+#line 2229 "src/parse-gram.c"

     break;
 
   case 39:
     break;
 
   case 39:

-/* Line 1268 of yacc.c.  */
-#line 291 "parse-gram.y"
+/* Line 1413 of yacc.c  */
+#line 378 "src/parse-gram.y"

     {
       symbol_list *list;
     {
       symbol_list *list;

-      const char *action = translate_symbol_action ((yyvsp[(2) - (3)].chars), (yylsp[(2) - (3)]));
-      for (list = (yyvsp[(3) - (3)].list); list; list = list->next)
-       symbol_printer_set (list->sym, action, (yylsp[(2) - (3)]));
-      symbol_list_free ((yyvsp[(3) - (3)].list));
+      for (list = (yyvsp[0].list); list; list = list->next)
+       symbol_list_printer_set (list, (yyvsp[-1].code), (yylsp[-1]));
+      symbol_list_free ((yyvsp[0].list));

     }
     }

+/* Line 1413 of yacc.c  */
+#line 2242 "src/parse-gram.c"

     break;
 
   case 40:
     break;
 
   case 40:

-/* Line 1268 of yacc.c.  */
-#line 299 "parse-gram.y"
+/* Line 1413 of yacc.c  */
+#line 385 "src/parse-gram.y"

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

+/* Line 1413 of yacc.c  */
+#line 2252 "src/parse-gram.c"

     break;
 
   case 41:
     break;
 
   case 41:

-/* Line 1268 of yacc.c.  */
-#line 303 "parse-gram.y"
+/* Line 1413 of yacc.c  */
+#line 389 "src/parse-gram.y"

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

+/* Line 1413 of yacc.c  */
+#line 2262 "src/parse-gram.c"

     break;
 
   case 42:
     break;
 
   case 42:

-/* Line 1268 of yacc.c.  */
-#line 316 "parse-gram.y"
-    {}
+/* Line 1413 of yacc.c  */
+#line 393 "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 1413 of yacc.c  */
+#line 2275 "src/parse-gram.c"

     break;
 
   case 43:
     break;
 
   case 43:

-/* Line 1268 of yacc.c.  */
-#line 317 "parse-gram.y"
-    { muscle_code_grow ("union_name", (yyvsp[(1) - (1)].uniqstr), (yylsp[(1) - (1)])); }
+/* Line 1413 of yacc.c  */
+#line 400 "src/parse-gram.y"
+    {
+      muscle_percent_code_grow ((yyvsp[-1].uniqstr), (yylsp[-1]), (yyvsp[0].chars), (yylsp[0]));
+      code_scanner_last_string_free ();
+    }
+/* Line 1413 of yacc.c  */
+#line 2286 "src/parse-gram.c"

     break;
 
   case 44:
     break;
 
   case 44:

-/* Line 1268 of yacc.c.  */
-#line 322 "parse-gram.y"
-    {
-      char const *body = (yyvsp[(3) - (3)].chars);
+/* Line 1413 of yacc.c  */
+#line 414 "src/parse-gram.y"
+    {}
+/* Line 1413 of yacc.c  */
+#line 2294 "src/parse-gram.c"
+    break;

 
 

-      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++;
-       }
+  case 45:
+/* Line 1413 of yacc.c  */
+#line 415 "src/parse-gram.y"
+    { muscle_code_grow ("union_name", (yyvsp[0].uniqstr), (yylsp[0])); }
+/* Line 1413 of yacc.c  */
+#line 2302 "src/parse-gram.c"
+    break;

 
 

-      typed = true;
-      muscle_code_grow ("stype", body, (yylsp[(3) - (3)]));
+  case 46:
+/* Line 1413 of yacc.c  */
+#line 420 "src/parse-gram.y"
+    {
+      union_seen = true;
+      muscle_code_grow ("stype", (yyvsp[0].chars), (yylsp[0]));
+      code_scanner_last_string_free ();

     }
     }

+/* Line 1413 of yacc.c  */
+#line 2314 "src/parse-gram.c"

     break;
 
     break;
 

-  case 45:
-/* Line 1268 of yacc.c.  */
-#line 343 "parse-gram.y"
+  case 47:
+/* Line 1413 of yacc.c  */
+#line 431 "src/parse-gram.y"

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

+/* Line 1413 of yacc.c  */
+#line 2322 "src/parse-gram.c"

     break;
 
     break;
 

-  case 46:
-/* Line 1268 of yacc.c.  */
-#line 344 "parse-gram.y"
+  case 48:
+/* Line 1413 of yacc.c  */
+#line 432 "src/parse-gram.y"

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

+/* Line 1413 of yacc.c  */
+#line 2333 "src/parse-gram.c"

     break;
 
     break;
 

-  case 47:
-/* Line 1268 of yacc.c.  */
-#line 348 "parse-gram.y"
+  case 49:
+/* Line 1413 of yacc.c  */
+#line 436 "src/parse-gram.y"

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

+/* Line 1413 of yacc.c  */
+#line 2341 "src/parse-gram.c"

     break;
 
     break;
 

-  case 48:
-/* Line 1268 of yacc.c.  */
-#line 349 "parse-gram.y"
+  case 50:
+/* Line 1413 of yacc.c  */
+#line 437 "src/parse-gram.y"

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

+/* Line 1413 of yacc.c  */
+#line 2352 "src/parse-gram.c"

     break;
 
     break;
 

-  case 49:
-/* Line 1268 of yacc.c.  */
-#line 354 "parse-gram.y"
+  case 51:
+/* Line 1413 of yacc.c  */
+#line 442 "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 1413 of yacc.c  */
+#line 2366 "src/parse-gram.c"

     break;
 
     break;
 

-  case 50:
-/* Line 1268 of yacc.c.  */
-#line 364 "parse-gram.y"
+  case 52:
+/* Line 1413 of yacc.c  */
+#line 453 "src/parse-gram.y"

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

-      for (list = (yyvsp[(3) - (3)].list); list; list = list->next)
+      for (list = (yyvsp[0].list); list; list = list->next)

        {
        {

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

        }
        }

-      symbol_list_free ((yyvsp[(3) - (3)].list));
+      symbol_list_free ((yyvsp[0].list));

       current_type = NULL;
     }
       current_type = NULL;
     }

+/* Line 1413 of yacc.c  */
+#line 2384 "src/parse-gram.c"

     break;
 
     break;
 

-  case 51:
-/* Line 1268 of yacc.c.  */
-#line 378 "parse-gram.y"
+  case 53:
+/* Line 1413 of yacc.c  */
+#line 467 "src/parse-gram.y"

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

+/* Line 1413 of yacc.c  */
+#line 2392 "src/parse-gram.c"

     break;
 
     break;
 

-  case 52:
-/* Line 1268 of yacc.c.  */
-#line 379 "parse-gram.y"
+  case 54:
+/* Line 1413 of yacc.c  */
+#line 468 "src/parse-gram.y"

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

+/* Line 1413 of yacc.c  */
+#line 2400 "src/parse-gram.c"

     break;
 
     break;
 

-  case 53:
-/* Line 1268 of yacc.c.  */
-#line 380 "parse-gram.y"
+  case 55:
+/* Line 1413 of yacc.c  */
+#line 469 "src/parse-gram.y"

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

+/* Line 1413 of yacc.c  */
+#line 2408 "src/parse-gram.c"

     break;
 
     break;
 

-  case 54:
-/* Line 1268 of yacc.c.  */
-#line 384 "parse-gram.y"
+  case 56:
+/* Line 1413 of yacc.c  */
+#line 470 "src/parse-gram.y"
+    { (yyval.assoc) = precedence_assoc; }
+/* Line 1413 of yacc.c  */
+#line 2416 "src/parse-gram.c"
+    break;
+
+  case 57:
+/* Line 1413 of yacc.c  */
+#line 474 "src/parse-gram.y"

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

+/* Line 1413 of yacc.c  */
+#line 2424 "src/parse-gram.c"

     break;
 
     break;
 

-  case 55:
-/* Line 1268 of yacc.c.  */
-#line 385 "parse-gram.y"
-    { current_type = (yyvsp[(1) - (1)].uniqstr); }
+  case 58:
+/* Line 1413 of yacc.c  */
+#line 475 "src/parse-gram.y"
+    { current_type = (yyvsp[0].uniqstr); tag_seen = true; }
+/* Line 1413 of yacc.c  */
+#line 2432 "src/parse-gram.c"

     break;
 
     break;
 

-  case 56:
-/* Line 1268 of yacc.c.  */
-#line 390 "parse-gram.y"
-    { (yyval.list) = symbol_list_new ((yyvsp[(1) - (1)].symbol), (yylsp[(1) - (1)])); }
+  case 59:
+/* Line 1413 of yacc.c  */
+#line 481 "src/parse-gram.y"
+    { (yyval.list) = symbol_list_sym_new ((yyvsp[0].symbol), (yylsp[0])); }
+/* Line 1413 of yacc.c  */
+#line 2440 "src/parse-gram.c"

     break;
 
     break;
 

-  case 57:
-/* Line 1268 of yacc.c.  */
-#line 391 "parse-gram.y"
-    { (yyval.list) = symbol_list_prepend ((yyvsp[(1) - (2)].list), (yyvsp[(2) - (2)].symbol), (yylsp[(2) - (2)])); }
+  case 60:
+/* Line 1413 of yacc.c  */
+#line 483 "src/parse-gram.y"
+    { (yyval.list) = symbol_list_prepend ((yyvsp[-1].list), symbol_list_sym_new ((yyvsp[0].symbol), (yylsp[0]))); }
+/* Line 1413 of yacc.c  */
+#line 2448 "src/parse-gram.c"

     break;
 
     break;
 

-  case 58:
-/* Line 1268 of yacc.c.  */
-#line 397 "parse-gram.y"
+  case 61:
+/* Line 1413 of yacc.c  */
+#line 487 "src/parse-gram.y"
+    { (yyval.symbol) = (yyvsp[0].symbol); }
+/* Line 1413 of yacc.c  */
+#line 2456 "src/parse-gram.c"
+    break;
+
+  case 62:
+/* Line 1413 of yacc.c  */
+#line 488 "src/parse-gram.y"
+    { (yyval.symbol) = (yyvsp[-1].symbol); symbol_user_token_number_set ((yyvsp[-1].symbol), (yyvsp[0].integer), (yylsp[0])); }
+/* Line 1413 of yacc.c  */
+#line 2464 "src/parse-gram.c"
+    break;
+
+  case 63:
+/* Line 1413 of yacc.c  */
+#line 494 "src/parse-gram.y"
+    { (yyval.list) = symbol_list_sym_new ((yyvsp[0].symbol), (yylsp[0])); }
+/* Line 1413 of yacc.c  */
+#line 2472 "src/parse-gram.c"
+    break;
+
+  case 64:
+/* Line 1413 of yacc.c  */
+#line 496 "src/parse-gram.y"
+    { (yyval.list) = symbol_list_prepend ((yyvsp[-1].list), symbol_list_sym_new ((yyvsp[0].symbol), (yylsp[0]))); }
+/* Line 1413 of yacc.c  */
+#line 2480 "src/parse-gram.c"
+    break;
+
+  case 65:
+/* Line 1413 of yacc.c  */
+#line 500 "src/parse-gram.y"
+    { (yyval.list) = (yyvsp[0].list); }
+/* Line 1413 of yacc.c  */
+#line 2488 "src/parse-gram.c"
+    break;
+
+  case 66:
+/* Line 1413 of yacc.c  */
+#line 501 "src/parse-gram.y"
+    { (yyval.list) = symbol_list_prepend ((yyvsp[-1].list), (yyvsp[0].list)); }
+/* Line 1413 of yacc.c  */
+#line 2496 "src/parse-gram.c"
+    break;
+
+  case 67:
+/* Line 1413 of yacc.c  */
+#line 505 "src/parse-gram.y"
+    { (yyval.list) = symbol_list_sym_new ((yyvsp[0].symbol), (yylsp[0])); }
+/* Line 1413 of yacc.c  */
+#line 2504 "src/parse-gram.c"
+    break;
+
+  case 68:
+/* Line 1413 of yacc.c  */
+#line 506 "src/parse-gram.y"
+    { (yyval.list) = symbol_list_type_new ((yyvsp[0].uniqstr), (yylsp[0])); }
+/* Line 1413 of yacc.c  */
+#line 2512 "src/parse-gram.c"
+    break;
+
+  case 69:
+/* Line 1413 of yacc.c  */
+#line 507 "src/parse-gram.y"
+    { (yyval.list) = symbol_list_default_tagged_new ((yylsp[0])); }
+/* Line 1413 of yacc.c  */
+#line 2520 "src/parse-gram.c"
+    break;
+
+  case 70:
+/* Line 1413 of yacc.c  */
+#line 508 "src/parse-gram.y"
+    { (yyval.list) = symbol_list_default_tagless_new ((yylsp[0])); }
+/* Line 1413 of yacc.c  */
+#line 2528 "src/parse-gram.c"
+    break;
+
+  case 71:
+/* Line 1413 of yacc.c  */
+#line 514 "src/parse-gram.y"

     {
     {

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

      }
      }

+/* Line 1413 of yacc.c  */
+#line 2539 "src/parse-gram.c"

     break;
 
     break;
 

-  case 59:
-/* Line 1268 of yacc.c.  */
-#line 401 "parse-gram.y"
+  case 72:
+/* Line 1413 of yacc.c  */
+#line 519 "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 1413 of yacc.c  */
+#line 2550 "src/parse-gram.c"

     break;
 
     break;
 

-  case 60:
-/* Line 1268 of yacc.c.  */
-#line 406 "parse-gram.y"
+  case 73:
+/* Line 1413 of yacc.c  */
+#line 524 "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 1413 of yacc.c  */
+#line 2562 "src/parse-gram.c"

     break;
 
     break;
 

-  case 61:
-/* Line 1268 of yacc.c.  */
-#line 412 "parse-gram.y"
+  case 74:
+/* Line 1413 of yacc.c  */
+#line 530 "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 1413 of yacc.c  */
+#line 2574 "src/parse-gram.c"

     break;
 
     break;
 

-  case 62:
-/* Line 1268 of yacc.c.  */
-#line 418 "parse-gram.y"
+  case 75:
+/* Line 1413 of yacc.c  */
+#line 536 "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 1413 of yacc.c  */
+#line 2587 "src/parse-gram.c"

     break;
 
     break;
 

-  case 69:
-/* Line 1268 of yacc.c.  */
-#line 448 "parse-gram.y"
+  case 82:
+/* Line 1413 of yacc.c  */
+#line 566 "src/parse-gram.y"

     {
       yyerrok;
     }
     {
       yyerrok;
     }

+/* Line 1413 of yacc.c  */
+#line 2597 "src/parse-gram.c"

     break;
 
     break;
 

-  case 70:
-/* Line 1268 of yacc.c.  */
-#line 454 "parse-gram.y"
-    { current_lhs = (yyvsp[(1) - (1)].symbol); current_lhs_location = (yylsp[(1) - (1)]); }
+  case 83:
+/* Line 1413 of yacc.c  */
+#line 572 "src/parse-gram.y"
+    { current_lhs = (yyvsp[-1].symbol); current_lhs_location = (yylsp[-1]);
+    current_lhs_named_ref = (yyvsp[0].named_ref); }
+/* Line 1413 of yacc.c  */
+#line 2606 "src/parse-gram.c"

     break;
 
     break;
 

-  case 72:
-/* Line 1268 of yacc.c.  */
-#line 458 "parse-gram.y"
-    { grammar_current_rule_end ((yylsp[(1) - (1)])); }
+  case 85:
+/* Line 1413 of yacc.c  */
+#line 577 "src/parse-gram.y"
+    { grammar_current_rule_end ((yylsp[0])); }
+/* Line 1413 of yacc.c  */
+#line 2614 "src/parse-gram.c"

     break;
 
     break;
 

-  case 73:
-/* Line 1268 of yacc.c.  */
-#line 459 "parse-gram.y"
-    { grammar_current_rule_end ((yylsp[(3) - (3)])); }
+  case 86:
+/* Line 1413 of yacc.c  */
+#line 578 "src/parse-gram.y"
+    { grammar_current_rule_end ((yylsp[0])); }
+/* Line 1413 of yacc.c  */
+#line 2622 "src/parse-gram.c"

     break;
 
     break;
 

-  case 75:
-/* Line 1268 of yacc.c.  */
-#line 465 "parse-gram.y"
-    { grammar_current_rule_begin (current_lhs, current_lhs_location); }
+  case 88:
+/* Line 1413 of yacc.c  */
+#line 584 "src/parse-gram.y"
+    { grammar_current_rule_begin (current_lhs, current_lhs_location,
+                                 current_lhs_named_ref); }
+/* Line 1413 of yacc.c  */
+#line 2631 "src/parse-gram.c"

     break;
 
     break;
 

-  case 76:
-/* Line 1268 of yacc.c.  */
-#line 467 "parse-gram.y"
-    { grammar_current_rule_symbol_append ((yyvsp[(2) - (2)].symbol), (yylsp[(2) - (2)])); }
+  case 89:
+/* Line 1413 of yacc.c  */
+#line 587 "src/parse-gram.y"
+    { grammar_current_rule_symbol_append ((yyvsp[-1].symbol), (yylsp[-1]), (yyvsp[0].named_ref)); }
+/* Line 1413 of yacc.c  */
+#line 2639 "src/parse-gram.c"

     break;
 
     break;
 

-  case 77:
-/* Line 1268 of yacc.c.  */
-#line 469 "parse-gram.y"
-    { grammar_current_rule_action_append ((yyvsp[(2) - (2)].chars), (yylsp[(2) - (2)])); }
+  case 90:
+/* Line 1413 of yacc.c  */
+#line 589 "src/parse-gram.y"
+    { grammar_current_rule_action_append ((yyvsp[-1].code), (yylsp[-1]), (yyvsp[0].named_ref)); }
+/* Line 1413 of yacc.c  */
+#line 2647 "src/parse-gram.c"

     break;
 
     break;
 

-  case 78:
-/* Line 1268 of yacc.c.  */
-#line 471 "parse-gram.y"
-    { grammar_current_rule_prec_set ((yyvsp[(3) - (3)].symbol), (yylsp[(3) - (3)])); }
+  case 91:
+/* Line 1413 of yacc.c  */
+#line 591 "src/parse-gram.y"
+    { grammar_current_rule_prec_set ((yyvsp[0].symbol), (yylsp[0])); }
+/* Line 1413 of yacc.c  */
+#line 2655 "src/parse-gram.c"

     break;
 
     break;
 

-  case 79:
-/* Line 1268 of yacc.c.  */
-#line 473 "parse-gram.y"
-    { grammar_current_rule_dprec_set ((yyvsp[(3) - (3)].integer), (yylsp[(3) - (3)])); }
+  case 92:
+/* Line 1413 of yacc.c  */
+#line 593 "src/parse-gram.y"
+    { grammar_current_rule_dprec_set ((yyvsp[0].integer), (yylsp[0])); }
+/* Line 1413 of yacc.c  */
+#line 2663 "src/parse-gram.c"

     break;
 
     break;
 

-  case 80:
-/* Line 1268 of yacc.c.  */
-#line 475 "parse-gram.y"
-    { grammar_current_rule_merge_set ((yyvsp[(3) - (3)].uniqstr), (yylsp[(3) - (3)])); }
+  case 93:
+/* Line 1413 of yacc.c  */
+#line 595 "src/parse-gram.y"
+    { grammar_current_rule_merge_set ((yyvsp[0].uniqstr), (yylsp[0])); }
+/* Line 1413 of yacc.c  */
+#line 2671 "src/parse-gram.c"

     break;
 
     break;
 

-  case 81:
-/* Line 1268 of yacc.c.  */
-#line 488 "parse-gram.y"
-    { (yyval.symbol) = symbol_from_uniqstr ((yyvsp[(1) - (1)].uniqstr), (yylsp[(1) - (1)])); }
+  case 94:
+/* Line 1413 of yacc.c  */
+#line 599 "src/parse-gram.y"
+    { (yyval.named_ref) = 0; }
+/* Line 1413 of yacc.c  */
+#line 2679 "src/parse-gram.c"

     break;
 
     break;
 

-  case 82:
-/* Line 1268 of yacc.c.  */
-#line 490 "parse-gram.y"
+  case 95:
+/* Line 1413 of yacc.c  */
+#line 601 "src/parse-gram.y"
+    { (yyval.named_ref) = named_ref_new((yyvsp[0].uniqstr), (yylsp[0])); }
+/* Line 1413 of yacc.c  */
+#line 2687 "src/parse-gram.c"
+    break;
+
+  case 97:
+/* Line 1413 of yacc.c  */
+#line 613 "src/parse-gram.y"
+    { (yyval.uniqstr) = uniqstr_new ((yyvsp[0].chars)); }
+/* Line 1413 of yacc.c  */
+#line 2695 "src/parse-gram.c"
+    break;
+
+  case 98:
+/* Line 1413 of yacc.c  */
+#line 618 "src/parse-gram.y"
+    { (yyval.chars) = ""; }
+/* Line 1413 of yacc.c  */
+#line 2703 "src/parse-gram.c"
+    break;
+
+  case 99:
+/* Line 1413 of yacc.c  */
+#line 619 "src/parse-gram.y"
+    { (yyval.chars) = (yyvsp[0].uniqstr); }
+/* Line 1413 of yacc.c  */
+#line 2711 "src/parse-gram.c"
+    break;
+
+  case 101:
+/* Line 1413 of yacc.c  */
+#line 630 "src/parse-gram.y"

     {
     {

-      (yyval.symbol) = symbol_get (char_name ((yyvsp[(1) - (1)].character)), (yylsp[(1) - (1)]));
-      symbol_class_set ((yyval.symbol), token_sym, (yylsp[(1) - (1)]), false);
-      symbol_user_token_number_set ((yyval.symbol), (yyvsp[(1) - (1)].character), (yylsp[(1) - (1)]));
+      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 1413 of yacc.c  */
+#line 2726 "src/parse-gram.c"

     break;
 
     break;
 

-  case 83:
-/* Line 1268 of yacc.c.  */
-#line 498 "parse-gram.y"
-    { (yyval.symbol) = symbol_from_uniqstr ((yyvsp[(1) - (1)].uniqstr), (yylsp[(1) - (1)])); }
+  case 102:
+/* Line 1413 of yacc.c  */
+#line 650 "src/parse-gram.y"
+    { (yyval.symbol) = symbol_from_uniqstr ((yyvsp[0].uniqstr), (yylsp[0])); }
+/* Line 1413 of yacc.c  */
+#line 2734 "src/parse-gram.c"

     break;
 
     break;
 

-  case 86:
-/* Line 1268 of yacc.c.  */
-#line 510 "parse-gram.y"
+  case 103:
+/* Line 1413 of yacc.c  */
+#line 652 "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);
+      (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 1413 of yacc.c  */
+#line 2746 "src/parse-gram.c"

     break;
 
     break;
 

-  case 87:
-/* Line 1268 of yacc.c.  */
-#line 519 "parse-gram.y"
-    { (yyval.chars) = (yyvsp[(1) - (1)].chars); }
+  case 104:
+/* Line 1413 of yacc.c  */
+#line 660 "src/parse-gram.y"
+    { (yyval.symbol) = symbol_from_uniqstr ((yyvsp[0].uniqstr), (yylsp[0])); }
+/* Line 1413 of yacc.c  */
+#line 2754 "src/parse-gram.c"

     break;
 
     break;
 

-  case 89:
-/* Line 1268 of yacc.c.  */
-#line 526 "parse-gram.y"
+  case 107:
+/* Line 1413 of yacc.c  */
+#line 672 "src/parse-gram.y"

     {
     {

-      muscle_code_grow ("epilogue", translate_code ((yyvsp[(2) - (2)].chars), (yylsp[(2) - (2)])), (yylsp[(2) - (2)]));
+      (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 1413 of yacc.c  */
+#line 2765 "src/parse-gram.c"
+    break;
+
+  case 109:
+/* Line 1413 of yacc.c  */
+#line 681 "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 ();
       gram_scanner_last_string_free ();

+      muscle_code_grow ("epilogue", plain_code.code, (yylsp[0]));
+      code_scanner_last_string_free ();

     }
     }

+/* Line 1413 of yacc.c  */
+#line 2780 "src/parse-gram.c"

     break;
 
 
     break;
 
 

-/* Line 1268 of yacc.c.  */
-#line 2276 "parse-gram.c"
+/* Line 1413 of yacc.c  */
+#line 2785 "src/parse-gram.c"

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


@@ -2310,37 +2819,28 @@ yyerrlab:
 #if ! YYERROR_VERBOSE
       yyerror (YY_("syntax error"));
 #else
 #if ! YYERROR_VERBOSE
       yyerror (YY_("syntax error"));
 #else

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

 #endif
     }
 
 #endif
     }
 


@@ -2400,7 +2900,7 @@ yyerrlab1:
   for (;;)
     {
       yyn = yypact[yystate];
   for (;;)
     {
       yyn = yypact[yystate];

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

        {
          yyn += YYTERROR;
          if (0 <= yyn && yyn <= YYLAST && yycheck[yyn] == YYTERROR)
        {
          yyn += YYTERROR;
          if (0 <= yyn && yyn <= YYLAST && yycheck[yyn] == YYTERROR)


@@ -2423,9 +2923,6 @@ yyerrlab1:
       YY_STACK_PRINT (yyss, yyssp);
     }
 
       YY_STACK_PRINT (yyss, yyssp);
     }
 

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

   *++yyvsp = yylval;
 
   yyerror_range[1] = yylloc;
   *++yyvsp = yylval;
 
   yyerror_range[1] = yylloc;


@@ -2455,7 +2952,7 @@ yyabortlab:
   yyresult = 1;
   goto yyreturn;
 
   yyresult = 1;
   goto yyreturn;
 

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

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


@@ -2466,7 +2963,7 @@ yyexhaustedlab:
 #endif
 
 yyreturn:
 #endif
 
 yyreturn:

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

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


@@ -2491,9 +2988,8 @@ yyreturn:
   return YYID (yyresult);
 }
 
   return YYID (yyresult);
 }
 

-
-/* Line 1488 of yacc.c.  */
-#line 532 "parse-gram.y"
+/* Line 1623 of yacc.c  */
+#line 691 "src/parse-gram.y"

 
 
 
 
 
 


@@ -2527,34 +3023,33 @@ lloc_default (YYLTYPE const *rhs, int n)
 }
 
 
 }
 
 

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


@@ -2571,13 +3066,17 @@ add_param (char const *type, char *decl, location loc)
       name = xmalloc (name_len + 1);
       memcpy (name, name_start, name_len);
       name[name_len] = '\0';
       name = xmalloc (name_len + 1);
       memcpy (name, name_start, name_len);
       name[name_len] = '\0';

-      muscle_pair_list_grow (type, decl, name);
+      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);
     }
 
   gram_scanner_last_string_free ();
 }
 
       free (name);
     }
 
   gram_scanner_last_string_free ();
 }
 

+

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


@@ -2613,4 +3112,3 @@ char_name (char c)
       return quotearg_style (escape_quoting_style, buf);
     }
 }
       return quotearg_style (escape_quoting_style, buf);
     }
 }

-