X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/4a678af8c6f178b797e42a60d7ee3774afbdc14e..eb1b07409f0ccad9970c8a60ded9f2a56d205b9c:/src/parse-gram.c

diff --git a/src/parse-gram.c b/src/parse-gram.c
index a896d5eb..a0a24f2e 100644
--- a/src/parse-gram.c
+++ b/src/parse-gram.c
@@ -1,20 +1,21 @@
-/* A Bison parser, made by GNU Bison 2.3+.  */
 
-/* Skeleton implementation for Bison's Yacc-like parsers in C
+/* A Bison parser, made by GNU Bison 2.3a+.  */
 
-   Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006
+/* Skeleton implementation for Bison's Yacc-like parsers in C
+   
+      Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006
    Free Software Foundation, Inc.
-
+   
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2, or (at your option)
    any later version.
-
+   
    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
-
+   
    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 51 Franklin Street, Fifth Floor,
@@ -29,7 +30,7 @@
    special exception, which will cause the skeleton and the resulting
    Bison output files to be licensed under the GNU General Public
    License without this special exception.
-
+   
    This special exception was added by the Free Software Foundation in
    version 2.2 of Bison.  */
 
@@ -47,7 +48,7 @@
 #define YYBISON 1
 
 /* Bison version.  */
-#define YYBISON_VERSION "2.3+"
+#define YYBISON_VERSION "2.3a+"
 
 /* Skeleton name.  */
 #define YYSKELETON_NAME "yacc.c"
@@ -55,6 +56,12 @@
 /* Pure parsers.  */
 #define YYPURE 1
 
+/* Push parsers.  */
+#define YYPUSH 0
+
+/* Pull parsers.  */
+#define YYPULL 1
+
 /* Using locations.  */
 #define YYLSP_NEEDED 1
 
@@ -69,10 +76,13 @@
 #define yylloc gram_lloc
 
 /* Copy the first part of user declarations.  */
+
+/* Line 1537 of yacc.c  */
 #line 1 "parse-gram.y"
 /* Bison Grammar Parser                             -*- C -*-
 
-   Copyright (C) 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007 Free Software Foundation,
+   Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
 
@@ -95,6 +105,8 @@
 #include <config.h>
 #include "system.h"
 
+#include <strverscmp.h>
+
 #include "complain.h"
 #include "conflicts.h"
 #include "files.h"
@@ -106,7 +118,6 @@
 #include "symlist.h"
 #include "scan-gram.h"
 #include "scan-code.h"
-#include "strverscmp.h"
 
 #define YYLLOC_DEFAULT(Current, Rhs, N)  (Current) = lloc_default (Rhs, N)
 static YYLTYPE lloc_default (YYLTYPE const *, int);
@@ -125,28 +136,30 @@ static void gram_error (location const *, char const *);
 
 static char const *char_name (char);
 
-static void add_param (char const *, char *, location);
+/** Add a lex-param or a parse-param.
+ *
+ * \param type  \a lex_param or \a parse_param
+ * \param decl  the formal argument
+ * \param loc   the location in the source.
+ */
+static void add_param (char const *type, char *decl, location loc);
+
 
 static symbol_class current_class = unknown_sym;
-static uniqstr current_type = 0;
+static uniqstr current_type = NULL;
 static symbol *current_lhs;
 static location current_lhs_location;
 static int current_prec = 0;
 
-#ifdef UINT_FAST8_MAX
-# define YYTYPE_UINT8 uint_fast8_t
-#endif
-#ifdef INT_FAST8_MAX
-# define YYTYPE_INT8 int_fast8_t
-#endif
-#ifdef UINT_FAST16_MAX
-# define YYTYPE_UINT16 uint_fast16_t
-#endif
-#ifdef INT_FAST16_MAX
-# define YYTYPE_INT16 int_fast16_t
-#endif
+#define YYTYPE_INT16 int_fast16_t
+#define YYTYPE_INT8 int_fast8_t
+#define YYTYPE_UINT16 uint_fast16_t
+#define YYTYPE_UINT8 uint_fast8_t
 
 
+/* Line 1537 of yacc.c  */
+#line 162 "parse-gram.c"
+
 /* Enabling traces.  */
 #ifndef YYDEBUG
 # define YYDEBUG 1
@@ -186,32 +199,32 @@ static int current_prec = 0;
      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_CODE = 271,
+     PERCENT_DEBUG = 272,
+     PERCENT_DEFAULT_PREC = 273,
+     PERCENT_DEFINE = 274,
+     PERCENT_DEFINES = 275,
+     PERCENT_ERROR_VERBOSE = 276,
+     PERCENT_EXPECT = 277,
+     PERCENT_EXPECT_RR = 278,
+     PERCENT_FILE_PREFIX = 279,
+     PERCENT_GLR_PARSER = 280,
+     PERCENT_INITIAL_ACTION = 281,
+     PERCENT_LANGUAGE = 282,
+     PERCENT_LEX_PARAM = 283,
+     PERCENT_LOCATIONS = 284,
+     PERCENT_NAME_PREFIX = 285,
+     PERCENT_NO_DEFAULT_PREC = 286,
+     PERCENT_NO_LINES = 287,
+     PERCENT_NONDETERMINISTIC_PARSER = 288,
+     PERCENT_OUTPUT = 289,
+     PERCENT_PARSE_PARAM = 290,
+     PERCENT_PURE_PARSER = 291,
+     PERCENT_PUSH_PARSER = 292,
+     PERCENT_PUSH_PULL_PARSER = 293,
+     PERCENT_REQUIRE = 294,
+     PERCENT_SKELETON = 295,
+     PERCENT_START = 296,
      PERCENT_TOKEN_TABLE = 297,
      PERCENT_VERBOSE = 298,
      PERCENT_YACC = 299,
@@ -226,7 +239,9 @@ static int current_prec = 0;
      PROLOGUE = 308,
      SEMICOLON = 309,
      TYPE = 310,
-     PERCENT_UNION = 311
+     TYPE_TAG_ANY = 311,
+     TYPE_TAG_NONE = 312,
+     PERCENT_UNION = 313
    };
 #endif
 /* Tokens.  */
@@ -244,32 +259,32 @@ static int current_prec = 0;
 #define PERCENT_PREC 268
 #define PERCENT_DPREC 269
 #define PERCENT_MERGE 270
-#define PERCENT_AFTER_HEADER 271
-#define PERCENT_BEFORE_HEADER 272
-#define PERCENT_DEBUG 273
-#define PERCENT_DEFAULT_PREC 274
-#define PERCENT_DEFINE 275
-#define PERCENT_DEFINES 276
-#define PERCENT_END_HEADER 277
-#define PERCENT_ERROR_VERBOSE 278
-#define PERCENT_EXPECT 279
-#define PERCENT_EXPECT_RR 280
-#define PERCENT_FILE_PREFIX 281
-#define PERCENT_GLR_PARSER 282
-#define PERCENT_INITIAL_ACTION 283
-#define PERCENT_LEX_PARAM 284
-#define PERCENT_LOCATIONS 285
-#define PERCENT_NAME_PREFIX 286
-#define PERCENT_NO_DEFAULT_PREC 287
-#define PERCENT_NO_LINES 288
-#define PERCENT_NONDETERMINISTIC_PARSER 289
-#define PERCENT_OUTPUT 290
-#define PERCENT_PARSE_PARAM 291
-#define PERCENT_PURE_PARSER 292
-#define PERCENT_REQUIRE 293
-#define PERCENT_SKELETON 294
-#define PERCENT_START 295
-#define PERCENT_START_HEADER 296
+#define PERCENT_CODE 271
+#define PERCENT_DEBUG 272
+#define PERCENT_DEFAULT_PREC 273
+#define PERCENT_DEFINE 274
+#define PERCENT_DEFINES 275
+#define PERCENT_ERROR_VERBOSE 276
+#define PERCENT_EXPECT 277
+#define PERCENT_EXPECT_RR 278
+#define PERCENT_FILE_PREFIX 279
+#define PERCENT_GLR_PARSER 280
+#define PERCENT_INITIAL_ACTION 281
+#define PERCENT_LANGUAGE 282
+#define PERCENT_LEX_PARAM 283
+#define PERCENT_LOCATIONS 284
+#define PERCENT_NAME_PREFIX 285
+#define PERCENT_NO_DEFAULT_PREC 286
+#define PERCENT_NO_LINES 287
+#define PERCENT_NONDETERMINISTIC_PARSER 288
+#define PERCENT_OUTPUT 289
+#define PERCENT_PARSE_PARAM 290
+#define PERCENT_PURE_PARSER 291
+#define PERCENT_PUSH_PARSER 292
+#define PERCENT_PUSH_PULL_PARSER 293
+#define PERCENT_REQUIRE 294
+#define PERCENT_SKELETON 295
+#define PERCENT_START 296
 #define PERCENT_TOKEN_TABLE 297
 #define PERCENT_VERBOSE 298
 #define PERCENT_YACC 299
@@ -284,29 +299,37 @@ static int current_prec = 0;
 #define PROLOGUE 308
 #define SEMICOLON 309
 #define TYPE 310
-#define PERCENT_UNION 311
+#define TYPE_TAG_ANY 311
+#define TYPE_TAG_NONE 312
+#define PERCENT_UNION 313
 
 
 
 
 #if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED
 typedef union YYSTYPE
-#line 97 "parse-gram.y"
 {
+
+/* Line 1537 of yacc.c  */
+#line 97 "parse-gram.y"
+
   symbol *symbol;
   symbol_list *list;
   int integer;
-  char *chars;
+  char const *chars;
+  char *code;
   assoc assoc;
   uniqstr uniqstr;
   unsigned char character;
-}
-/* Line 197 of yacc.c.  */
-#line 306 "parse-gram.c"
-	YYSTYPE;
+
+
+
+/* Line 1537 of yacc.c  */
+#line 329 "parse-gram.c"
+} YYSTYPE;
+# define YYSTYPE_IS_TRIVIAL 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
@@ -326,8 +349,8 @@ typedef struct YYLTYPE
 /* Copy the second part of user declarations.  */
 
 
-/* Line __line__ of yacc.c.  */
-#line 331 "parse-gram.c"
+/* Line 1537 of yacc.c  */
+#line 354 "parse-gram.c"
 
 #ifdef short
 # undef short
@@ -402,14 +425,14 @@ typedef short int yytype_int16;
 #if (defined __STDC__ || defined __C99__FUNC__ \
      || defined __cplusplus || defined _MSC_VER)
 static int
-YYID (int i)
+YYID (int yyi)
 #else
 static int
-YYID (i)
-    int i;
+YYID (yyi)
+    int yyi;
 #endif
 {
-  return i;
+  return yyi;
 }
 #endif
 
@@ -544,20 +567,20 @@ union yyalloc
 /* YYFINAL -- State number of the termination state.  */
 #define YYFINAL  3
 /* YYLAST -- Last index in YYTABLE.  */
-#define YYLAST   192
+#define YYLAST   158
 
 /* YYNTOKENS -- Number of terminals.  */
-#define YYNTOKENS  57
+#define YYNTOKENS  59
 /* YYNNTS -- Number of nonterminals.  */
-#define YYNNTS  27
+#define YYNNTS  31
 /* YYNRULES -- Number of rules.  */
-#define YYNRULES  89
+#define YYNRULES  103
 /* YYNRULES -- Number of states.  */
-#define YYNSTATES  128
+#define YYNSTATES  141
 
 /* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX.  */
 #define YYUNDEFTOK  2
-#define YYMAXUTOK   311
+#define YYMAXUTOK   313
 
 #define YYTRANSLATE(YYX)						\
   ((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK)
@@ -596,66 +619,73 @@ 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,
-      55,    56
+      55,    56,    57,    58
 };
 
 #if YYDEBUG
 /* YYPRHS[YYN] -- Index of the first RHS symbol of rule number YYN in
    YYRHS.  */
-static const yytype_uint8 yyprhs[] =
+static const yytype_uint16 yyprhs[] =
 {
-       0,     0,     3,     8,     9,    12,    14,    16,    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
+       0,     0,     3,     8,     9,    12,    14,    16,    18,    22,
+      24,    27,    29,    32,    35,    38,    42,    44,    47,    50,
+      53,    55,    58,    62,    64,    66,    69,    73,    76,    78,
+      80,    82,    85,    88,    90,    92,    94,    96,    98,   100,
+     103,   107,   111,   113,   115,   118,   122,   123,   125,   129,
+     130,   134,   135,   139,   143,   147,   149,   151,   153,   154,
+     156,   158,   161,   163,   166,   168,   170,   172,   174,   176,
+     178,   181,   184,   188,   190,   193,   195,   198,   200,   203,
+     206,   207,   211,   213,   217,   220,   221,   224,   227,   231,
+     235,   239,   241,   243,   244,   246,   248,   250,   252,   254,
+     256,   258,   260,   261
 };
 
 /* YYRHS -- A `-1'-separated list of the rules' RHS.  */
 static const yytype_int8 yyrhs[] =
 {
-      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
+      60,     0,    -1,    61,    51,    76,    89,    -1,    -1,    61,
+      62,    -1,    63,    -1,    53,    -1,    17,    -1,    19,    82,
+      83,    -1,    20,    -1,    20,     3,    -1,    21,    -1,    22,
+       4,    -1,    23,     4,    -1,    24,     3,    -1,    24,    48,
+       3,    -1,    25,    -1,    26,    45,    -1,    27,     3,    -1,
+      28,    45,    -1,    29,    -1,    30,     3,    -1,    30,    48,
+       3,    -1,    32,    -1,    33,    -1,    34,     3,    -1,    34,
+      48,     3,    -1,    35,    45,    -1,    36,    -1,    37,    -1,
+      38,    -1,    39,     3,    -1,    40,     3,    -1,    42,    -1,
+      43,    -1,    44,    -1,    54,    -1,    68,    -1,    65,    -1,
+      41,    87,    -1,     8,    45,    72,    -1,     9,    45,    72,
+      -1,    18,    -1,    31,    -1,    16,    84,    -1,    16,    49,
+      84,    -1,    -1,    49,    -1,    58,    64,    84,    -1,    -1,
+       6,    66,    75,    -1,    -1,     5,    67,    75,    -1,     7,
+      55,    71,    -1,    69,    70,    71,    -1,    10,    -1,    11,
+      -1,    12,    -1,    -1,    55,    -1,    87,    -1,    71,    87,
+      -1,    73,    -1,    72,    73,    -1,    87,    -1,    55,    -1,
+      56,    -1,    57,    -1,    55,    -1,    85,    -1,    85,     4,
+      -1,    85,    88,    -1,    85,     4,    88,    -1,    74,    -1,
+      75,    74,    -1,    77,    -1,    76,    77,    -1,    78,    -1,
+      63,    54,    -1,     1,    54,    -1,    -1,    86,    79,    80,
+      -1,    81,    -1,    80,    52,    81,    -1,    80,    54,    -1,
+      -1,    81,    87,    -1,    81,    45,    -1,    81,    13,    87,
+      -1,    81,    14,     4,    -1,    81,    15,    55,    -1,    49,
+      -1,     3,    -1,    -1,     3,    -1,    45,    -1,    49,    -1,
+      46,    -1,    50,    -1,    85,    -1,    88,    -1,     3,    -1,
+      -1,    51,    47,    -1
 };
 
 /* YYRLINE[YYN] -- source line where rule number YYN was defined.  */
 static const yytype_uint16 yyrline[] =
 {
-       0,   202,   202,   210,   212,   216,   217,   221,   227,   233,
-     234,   239,   240,   241,   247,   248,   249,   250,   251,   256,
-     260,   261,   262,   263,   264,   265,   266,   267,   268,   269,
-     270,   276,   277,   278,   279,   283,   284,   285,   289,   297,
-     305,   309,   323,   324,   328,   350,   350,   355,   355,   360,
-     370,   385,   386,   387,   391,   392,   397,   398,   403,   407,
-     412,   418,   424,   435,   436,   445,   446,   452,   453,   454,
-     461,   461,   465,   466,   467,   472,   473,   475,   477,   479,
-     481,   494,   496,   505,   510,   511,   516,   525,   530,   532
+       0,   210,   210,   218,   220,   224,   225,   235,   236,   240,
+     241,   246,   247,   248,   249,   250,   251,   256,   265,   266,
+     267,   268,   269,   270,   271,   272,   273,   274,   275,   276,
+     277,   278,   279,   303,   304,   305,   306,   310,   311,   312,
+     316,   323,   330,   334,   338,   345,   360,   361,   365,   377,
+     377,   382,   382,   387,   398,   413,   414,   415,   419,   420,
+     425,   427,   432,   433,   437,   438,   439,   440,   445,   450,
+     455,   461,   467,   478,   479,   488,   489,   495,   496,   497,
+     504,   504,   508,   509,   510,   515,   516,   518,   520,   522,
+     524,   534,   535,   541,   544,   553,   573,   575,   584,   589,
+     590,   595,   602,   604
 };
 #endif
 
@@ -667,23 +697,25 @@ static const char *const yytname[] =
   "\"end of file\"", "error", "$undefined", "\"string\"", "\"integer\"",
   "\"%token\"", "\"%nterm\"", "\"%type\"", "\"%destructor\"",
   "\"%printer\"", "\"%left\"", "\"%right\"", "\"%nonassoc\"", "\"%prec\"",
-  "\"%dprec\"", "\"%merge\"", "\"%after-header\"", "\"%before-header\"",
-  "\"%debug\"", "\"%default-prec\"", "\"%define\"", "\"%defines\"",
-  "\"%end-header\"", "\"%error-verbose\"", "\"%expect\"", "\"%expect-rr\"",
-  "\"%file-prefix\"", "\"%glr-parser\"", "\"%initial-action\"",
-  "\"%lex-param\"", "\"%locations\"", "\"%name-prefix\"",
-  "\"%no-default-prec\"", "\"%no-lines\"", "\"%nondeterministic-parser\"",
-  "\"%output\"", "\"%parse-param\"", "\"%pure-parser\"", "\"%require\"",
-  "\"%skeleton\"", "\"%start\"", "\"%start-header\"", "\"%token-table\"",
-  "\"%verbose\"", "\"%yacc\"", "\"{...}\"", "\"char\"", "\"epilogue\"",
-  "\"=\"", "\"identifier\"", "\"identifier:\"", "\"%%\"", "\"|\"",
-  "\"%{...%}\"", "\";\"", "\"type\"", "\"%union\"", "$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
+  "\"%dprec\"", "\"%merge\"", "\"%code\"", "\"%debug\"",
+  "\"%default-prec\"", "\"%define\"", "\"%defines\"", "\"%error-verbose\"",
+  "\"%expect\"", "\"%expect-rr\"", "\"%file-prefix\"", "\"%glr-parser\"",
+  "\"%initial-action\"", "\"%language\"", "\"%lex-param\"",
+  "\"%locations\"", "\"%name-prefix\"", "\"%no-default-prec\"",
+  "\"%no-lines\"", "\"%nondeterministic-parser\"", "\"%output\"",
+  "\"%parse-param\"", "\"%pure-parser\"", "\"%push-parser\"",
+  "\"%push-pull-parser\"", "\"%require\"", "\"%skeleton\"", "\"%start\"",
+  "\"%token-table\"", "\"%verbose\"", "\"%yacc\"", "\"{...}\"", "\"char\"",
+  "\"epilogue\"", "\"=\"", "\"identifier\"", "\"identifier:\"", "\"%%\"",
+  "\"|\"", "\"%{...%}\"", "\";\"", "\"type\"", "\"<*>\"", "\"<>\"",
+  "\"%union\"", "$accept", "input", "prologue_declarations",
+  "prologue_declaration", "grammar_declaration", "union_name",
+  "symbol_declaration", "$@1", "$@2", "precedence_declaration",
+  "precedence_declarator", "type.opt", "symbols.1", "generic_symlist",
+  "generic_symlist_item", "symbol_def", "symbol_defs.1", "grammar",
+  "rules_or_grammar_declaration", "rules", "$@3", "rhses.1", "rhs",
+  "variable", "content.opt", "braceless", "id", "id_colon", "symbol",
+  "string_as_id", "epilogue.opt", 0
 };
 #endif
 
@@ -697,36 +729,40 @@ static const yytype_uint16 yytoknum[] =
      275,   276,   277,   278,   279,   280,   281,   282,   283,   284,
      285,   286,   287,   288,   289,   290,   291,   292,   293,   294,
      295,   296,   297,   298,   299,   300,   301,   302,   303,   304,
-     305,   306,   307,   308,   309,   310,   311
+     305,   306,   307,   308,   309,   310,   311,   312,   313
 };
 # endif
 
 /* YYR1[YYN] -- Symbol number of symbol that rule YYN derives.  */
 static const yytype_uint8 yyr1[] =
 {
-       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
+       0,    59,    60,    61,    61,    62,    62,    62,    62,    62,
+      62,    62,    62,    62,    62,    62,    62,    62,    62,    62,
+      62,    62,    62,    62,    62,    62,    62,    62,    62,    62,
+      62,    62,    62,    62,    62,    62,    62,    63,    63,    63,
+      63,    63,    63,    63,    63,    63,    64,    64,    63,    66,
+      65,    67,    65,    65,    68,    69,    69,    69,    70,    70,
+      71,    71,    72,    72,    73,    73,    73,    73,    74,    74,
+      74,    74,    74,    75,    75,    76,    76,    77,    77,    77,
+      79,    78,    80,    80,    80,    81,    81,    81,    81,    81,
+      81,    82,    82,    83,    83,    84,    85,    85,    86,    87,
+      87,    88,    89,    89
 };
 
 /* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN.  */
 static const yytype_uint8 yyr2[] =
 {
-       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,
+       0,     2,     4,     0,     2,     1,     1,     1,     3,     1,
+       2,     1,     2,     2,     2,     3,     1,     2,     2,     2,
+       1,     2,     3,     1,     1,     2,     3,     2,     1,     1,
+       1,     2,     2,     1,     1,     1,     1,     1,     1,     2,
+       3,     3,     1,     1,     2,     3,     0,     1,     3,     0,
+       3,     0,     3,     3,     3,     1,     1,     1,     0,     1,
+       1,     2,     1,     2,     1,     1,     1,     1,     1,     1,
        2,     2,     3,     1,     2,     1,     2,     1,     2,     2,
        0,     3,     1,     3,     2,     0,     2,     2,     3,     3,
-       3,     1,     1,     1,     1,     1,     1,     1,     0,     2
+       3,     1,     1,     0,     1,     1,     1,     1,     1,     1,
+       1,     1,     0,     2
 };
 
 /* YYDEFACT[STATE-NAME] -- Default rule to reduce with in state
@@ -734,127 +770,127 @@ static const yytype_uint8 yyr2[] =
    means the default is an error.  */
 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,    51,    49,     0,     0,     0,    55,
+      56,    57,     0,     7,    42,     0,     9,    11,     0,     0,
+       0,    16,     0,     0,     0,    20,     0,    43,    23,    24,
+       0,     0,    28,    29,    30,     0,     0,     0,    33,    34,
+      35,     0,     6,    36,    46,     4,     5,    38,    37,    58,
+       0,     0,     0,     0,     0,    95,     0,    44,    92,    91,
+      93,    10,    12,    13,    14,     0,    17,    18,    19,    21,
+       0,    25,     0,    27,    31,    32,   101,    97,    96,    99,
+      39,   100,     0,    98,     0,     0,    75,    77,    80,    47,
+       0,    59,     0,    68,    73,    52,    69,    50,    53,    60,
+      65,    66,    67,    40,    62,    64,    41,    45,    94,     8,
+      15,    22,    26,    79,    78,     0,    76,     2,    85,    48,
+      54,    74,    70,    71,    61,    63,   103,    81,    82,    72,
+      85,    84,     0,     0,     0,    87,    86,    83,    88,    89,
+      90
 };
 
 /* YYDEFGOTO[NTERM-NUM].  */
-static const yytype_int8 yydefgoto[] =
+static const yytype_int16 yydefgoto[] =
 {
-      -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
+      -1,     1,     2,    45,    84,    90,    47,    51,    50,    48,
+      49,    92,    98,   103,   104,    94,    95,    85,    86,    87,
+     118,   127,   128,    60,   109,    57,    79,    88,   105,    81,
+     117
 };
 
 /* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing
    STATE-NUM.  */
-#define YYPACT_NINF -76
+#define YYPACT_NINF -79
 static const yytype_int16 yypact[] =
 {
-     -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
+     -79,     5,    96,   -79,   -79,   -79,    -6,    13,    18,   -79,
+     -79,   -79,    -8,   -79,   -79,    27,    66,   -79,    74,    82,
+      31,   -79,    43,    86,    45,   -79,    32,   -79,   -79,   -79,
+      33,    47,   -79,   -79,   -79,    91,    93,    26,   -79,   -79,
+     -79,    15,   -79,   -79,    48,   -79,   -79,   -79,   -79,    44,
+      38,    38,    26,    11,    11,   -79,    53,   -79,   -79,   -79,
+     106,   -79,   -79,   -79,   -79,   107,   -79,   -79,   -79,   -79,
+     108,   -79,   138,   -79,   -79,   -79,   -79,   -79,   -79,   -79,
+     -79,   -79,    88,   -79,    89,     1,   -79,   -79,   -79,   -79,
+      53,   -79,    26,   -79,   -79,    38,    50,    38,    26,   -79,
+     -79,   -79,   -79,    11,   -79,   -79,    11,   -79,   -79,   -79,
+     -79,   -79,   -79,   -79,   -79,    97,   -79,   -79,   -79,   -79,
+      26,   -79,   142,   -79,   -79,   -79,   -79,    -7,    25,   -79,
+     -79,   -79,    26,   144,    98,   -79,   -79,    25,   -79,   -79,
+     -79
 };
 
 /* YYPGOTO[NTERM-NUM].  */
-static const yytype_int8 yypgoto[] =
+static const yytype_int16 yypgoto[] =
 {
-     -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
+     -79,   -79,   -79,   -79,   149,   -79,   -79,   -79,   -79,   -79,
+     -79,   -79,    54,   101,   -21,   -33,   105,   -79,    67,   -79,
+     -79,   -79,    28,   -79,   -79,   -13,   -47,   -79,   -37,   -78,
+     -79
 };
 
 /* YYTABLE[YYPACT[STATE-NUM]].  What to do in state STATE-NUM.  If
    positive, shift that token.  If negative, reduce the rule which
    number is the opposite.  If zero, do what YYDEFACT says.
    If YYTABLE_NINF, syntax error.  */
-#define YYTABLE_NINF -89
-static const yytype_int8 yytable[] =
+#define YYTABLE_NINF -103
+static const yytype_int16 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,
+      80,  -102,    82,    96,    96,     3,     4,     5,     6,     7,
+       8,     9,    10,    11,    76,    99,    82,    12,   123,    14,
+       4,     5,     6,     7,     8,     9,    10,    11,    76,    76,
+      58,    12,    27,    14,    64,    69,    71,    55,   132,   133,
+     134,    56,    37,   107,   129,   130,    27,   131,    96,    52,
+      96,    83,   115,    76,   122,    99,    37,    77,    53,    44,
+      78,   124,   121,    54,   121,    83,   100,   101,   102,    61,
+     135,    77,    77,    44,    78,    78,    59,   119,    62,    65,
+      70,    72,   125,   124,    77,   125,    63,    78,    66,    67,
+      68,   136,    73,    93,    74,   138,    75,    89,    55,    91,
+     136,     4,     5,     6,     7,     8,     9,    10,    11,   108,
+     110,   111,    12,    13,    14,    15,    16,    17,    18,    19,
       20,    21,    22,    23,    24,    25,    26,    27,    28,    29,
       30,    31,    32,    33,    34,    35,    36,    37,    38,    39,
-      40,     0,     0,     0,     0,     0,     0,    41,     0,    42,
-      43,     0,    44
+      40,   112,   113,   114,   126,    76,   120,    41,   139,    42,
+      43,    46,   116,   140,    44,   106,    97,     0,   137
 };
 
-static const yytype_int8 yycheck[] =
+static const yytype_int16 yycheck[] =
 {
-      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,
+      37,     0,     1,    50,    51,     0,     5,     6,     7,     8,
+       9,    10,    11,    12,     3,    52,     1,    16,    96,    18,
+       5,     6,     7,     8,     9,    10,    11,    12,     3,     3,
+       3,    16,    31,    18,     3,     3,     3,    45,    13,    14,
+      15,    49,    41,    56,   122,    52,    31,    54,    95,    55,
+      97,    50,    51,     3,     4,    92,    41,    46,    45,    58,
+      49,    98,    95,    45,    97,    50,    55,    56,    57,     3,
+      45,    46,    46,    58,    49,    49,    49,    90,     4,    48,
+      48,    48,   103,   120,    46,   106,     4,    49,    45,     3,
+      45,   128,    45,    55,     3,   132,     3,    49,    45,    55,
+     137,     5,     6,     7,     8,     9,    10,    11,    12,     3,
+       3,     3,    16,    17,    18,    19,    20,    21,    22,    23,
       24,    25,    26,    27,    28,    29,    30,    31,    32,    33,
       34,    35,    36,    37,    38,    39,    40,    41,    42,    43,
-      44,    -1,    -1,    -1,    -1,    -1,    -1,    51,    -1,    53,
-      54,    -1,    56
+      44,     3,    54,    54,    47,     3,    92,    51,     4,    53,
+      54,     2,    85,    55,    58,    54,    51,    -1,   130
 };
 
 /* YYSTOS[STATE-NUM] -- The (internal number of the) accessing
    symbol of state STATE-NUM.  */
 static const yytype_uint8 yystos[] =
 {
-       0,    58,    59,     0,     5,     6,     7,     8,     9,    10,
+       0,    60,    61,     0,     5,     6,     7,     8,     9,    10,
       11,    12,    16,    17,    18,    19,    20,    21,    22,    23,
       24,    25,    26,    27,    28,    29,    30,    31,    32,    33,
       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
+      44,    51,    53,    54,    58,    62,    63,    65,    68,    69,
+      67,    66,    55,    45,    45,    45,    49,    84,     3,    49,
+      82,     3,     4,     4,     3,    48,    45,     3,    45,     3,
+      48,     3,    48,    45,     3,     3,     3,    46,    49,    85,
+      87,    88,     1,    50,    63,    76,    77,    78,    86,    49,
+      64,    55,    70,    55,    74,    75,    85,    75,    71,    87,
+      55,    56,    57,    72,    73,    87,    72,    84,     3,    83,
+       3,     3,     3,    54,    54,    51,    77,    89,    79,    84,
+      71,    74,     4,    88,    87,    73,    47,    80,    81,    88,
+      52,    54,    13,    14,    15,    45,    87,    81,    87,     4,
+      55
 };
 
 #define yyerrok		(yyerrstatus = 0)
@@ -1003,74 +1039,148 @@ yy_symbol_value_print (yyoutput, yytype, yyvaluep, yylocationp)
   switch (yytype)
     {
       case 3: /* "\"string\"" */
-#line 181 "parse-gram.y"
+
+/* Line 1537 of yacc.c  */
+#line 188 "parse-gram.y"
 	{ fputs (quotearg_style (c_quoting_style, (yyvaluep->chars)), stderr); };
-#line 1009 "parse-gram.c"
+
+/* Line 1537 of yacc.c  */
+#line 1049 "parse-gram.c"
 	break;
       case 4: /* "\"integer\"" */
-#line 191 "parse-gram.y"
+
+/* Line 1537 of yacc.c  */
+#line 199 "parse-gram.y"
 	{ fprintf (stderr, "%d", (yyvaluep->integer)); };
-#line 1014 "parse-gram.c"
+
+/* Line 1537 of yacc.c  */
+#line 1058 "parse-gram.c"
 	break;
       case 45: /* "\"{...}\"" */
-#line 183 "parse-gram.y"
-	{ fprintf (stderr, "{\n%s\n}", (yyvaluep->chars)); };
-#line 1019 "parse-gram.c"
+
+/* Line 1537 of yacc.c  */
+#line 190 "parse-gram.y"
+	{ fprintf (stderr, "{\n%s\n}", (yyvaluep->code)); };
+
+/* Line 1537 of yacc.c  */
+#line 1067 "parse-gram.c"
 	break;
       case 46: /* "\"char\"" */
-#line 178 "parse-gram.y"
+
+/* Line 1537 of yacc.c  */
+#line 182 "parse-gram.y"
 	{ fputs (char_name ((yyvaluep->character)), stderr); };
-#line 1024 "parse-gram.c"
+
+/* Line 1537 of yacc.c  */
+#line 1076 "parse-gram.c"
 	break;
       case 47: /* "\"epilogue\"" */
-#line 183 "parse-gram.y"
+
+/* Line 1537 of yacc.c  */
+#line 190 "parse-gram.y"
 	{ fprintf (stderr, "{\n%s\n}", (yyvaluep->chars)); };
-#line 1029 "parse-gram.c"
+
+/* Line 1537 of yacc.c  */
+#line 1085 "parse-gram.c"
 	break;
       case 49: /* "\"identifier\"" */
-#line 187 "parse-gram.y"
+
+/* Line 1537 of yacc.c  */
+#line 195 "parse-gram.y"
 	{ fputs ((yyvaluep->uniqstr), stderr); };
-#line 1034 "parse-gram.c"
+
+/* Line 1537 of yacc.c  */
+#line 1094 "parse-gram.c"
 	break;
       case 50: /* "\"identifier:\"" */
-#line 188 "parse-gram.y"
+
+/* Line 1537 of yacc.c  */
+#line 196 "parse-gram.y"
 	{ fprintf (stderr, "%s:", (yyvaluep->uniqstr)); };
-#line 1039 "parse-gram.c"
+
+/* Line 1537 of yacc.c  */
+#line 1103 "parse-gram.c"
 	break;
       case 53: /* "\"%{...%}\"" */
-#line 183 "parse-gram.y"
+
+/* Line 1537 of yacc.c  */
+#line 190 "parse-gram.y"
 	{ fprintf (stderr, "{\n%s\n}", (yyvaluep->chars)); };
-#line 1044 "parse-gram.c"
+
+/* Line 1537 of yacc.c  */
+#line 1112 "parse-gram.c"
 	break;
       case 55: /* "\"type\"" */
-#line 186 "parse-gram.y"
+
+/* Line 1537 of yacc.c  */
+#line 194 "parse-gram.y"
 	{ fprintf (stderr, "<%s>", (yyvaluep->uniqstr)); };
-#line 1049 "parse-gram.c"
+
+/* Line 1537 of yacc.c  */
+#line 1121 "parse-gram.c"
 	break;
-      case 78: /* "id" */
-#line 194 "parse-gram.y"
+      case 82: /* "variable" */
+
+/* Line 1537 of yacc.c  */
+#line 195 "parse-gram.y"
+	{ fputs ((yyvaluep->uniqstr), stderr); };
+
+/* Line 1537 of yacc.c  */
+#line 1130 "parse-gram.c"
+	break;
+      case 83: /* "content.opt" */
+
+/* Line 1537 of yacc.c  */
+#line 190 "parse-gram.y"
+	{ fprintf (stderr, "{\n%s\n}", (yyvaluep->chars)); };
+
+/* Line 1537 of yacc.c  */
+#line 1139 "parse-gram.c"
+	break;
+      case 84: /* "braceless" */
+
+/* Line 1537 of yacc.c  */
+#line 190 "parse-gram.y"
+	{ fprintf (stderr, "{\n%s\n}", (yyvaluep->chars)); };
+
+/* Line 1537 of yacc.c  */
+#line 1148 "parse-gram.c"
+	break;
+      case 85: /* "id" */
+
+/* Line 1537 of yacc.c  */
+#line 202 "parse-gram.y"
 	{ fprintf (stderr, "%s", (yyvaluep->symbol)->tag); };
-#line 1054 "parse-gram.c"
+
+/* Line 1537 of yacc.c  */
+#line 1157 "parse-gram.c"
 	break;
-      case 79: /* "id_colon" */
-#line 195 "parse-gram.y"
+      case 86: /* "id_colon" */
+
+/* Line 1537 of yacc.c  */
+#line 203 "parse-gram.y"
 	{ fprintf (stderr, "%s:", (yyvaluep->symbol)->tag); };
-#line 1059 "parse-gram.c"
+
+/* Line 1537 of yacc.c  */
+#line 1166 "parse-gram.c"
 	break;
-      case 80: /* "symbol" */
-#line 194 "parse-gram.y"
+      case 87: /* "symbol" */
+
+/* Line 1537 of yacc.c  */
+#line 202 "parse-gram.y"
 	{ fprintf (stderr, "%s", (yyvaluep->symbol)->tag); };
-#line 1064 "parse-gram.c"
+
+/* Line 1537 of yacc.c  */
+#line 1175 "parse-gram.c"
 	break;
-      case 81: /* "string_as_id" */
-#line 194 "parse-gram.y"
+      case 88: /* "string_as_id" */
+
+/* Line 1537 of yacc.c  */
+#line 202 "parse-gram.y"
 	{ fprintf (stderr, "%s", (yyvaluep->symbol)->tag); };
-#line 1069 "parse-gram.c"
-	break;
-      case 82: /* "string_content" */
-#line 181 "parse-gram.y"
-	{ fputs (quotearg_style (c_quoting_style, (yyvaluep->chars)), stderr); };
-#line 1074 "parse-gram.c"
+
+/* Line 1537 of yacc.c  */
+#line 1184 "parse-gram.c"
 	break;
       default:
 	break;
@@ -1114,17 +1224,20 @@ yy_symbol_print (yyoutput, yytype, yyvaluep, yylocationp)
 #if (defined __STDC__ || defined __C99__FUNC__ \
      || defined __cplusplus || defined _MSC_VER)
 static void
-yy_stack_print (yytype_int16 *bottom, yytype_int16 *top)
+yy_stack_print (yytype_int16 *yybottom, yytype_int16 *yytop)
 #else
 static void
-yy_stack_print (bottom, top)
-    yytype_int16 *bottom;
-    yytype_int16 *top;
+yy_stack_print (yybottom, yytop)
+    yytype_int16 *yybottom;
+    yytype_int16 *yytop;
 #endif
 {
   YYFPRINTF (stderr, "Stack now");
-  for (; bottom <= top; ++bottom)
-    YYFPRINTF (stderr, " %d", *bottom);
+  for (; yybottom <= yytop; yybottom++)
+    {
+      int yybot = *yybottom;
+      YYFPRINTF (stderr, " %d", yybot);
+    }
   YYFPRINTF (stderr, "\n");
 }
 
@@ -1159,11 +1272,11 @@ yy_reduce_print (yyvsp, yylsp, yyrule)
   /* The symbols being reduced.  */
   for (yyi = 0; yyi < yynrhs; yyi++)
     {
-      fprintf (stderr, "   $%d = ", yyi + 1);
+      YYFPRINTF (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, "\n");
     }
 }
 
@@ -1575,20 +1688,23 @@ YYLTYPE yylloc;
 #if YYLTYPE_IS_TRIVIAL
   /* Initialize the default location before parsing starts.  */
   yylloc.first_line   = yylloc.last_line   = 1;
-  yylloc.first_column = yylloc.last_column = 0;
+  yylloc.first_column = yylloc.last_column = 1;
 #endif
 
 
   /* User initialization code.  */
-#line 88 "parse-gram.y"
+  
+/* Line 1537 of yacc.c  */
+#line 89 "parse-gram.y"
 {
   /* Bison's grammar can initial empty locations, hence a default
      location is needed. */
   boundary_set (&yylloc.start, current_file, 1, 1);
   boundary_set (&yylloc.end, current_file, 1, 1);
 }
-/* Line 1085 of yacc.c.  */
-#line 1592 "parse-gram.c"
+
+/* Line 1537 of yacc.c  */
+#line 1708 "parse-gram.c"
   yylsp[0] = yylloc;
   goto yysetstate;
 
@@ -1670,6 +1786,9 @@ YYLTYPE yylloc;
 
   YYDPRINTF ((stderr, "Entering state %d\n", yystate));
 
+  if (yystate == YYFINAL)
+    YYACCEPT;
+
   goto yybackup;
 
 /*-----------.
@@ -1719,9 +1838,6 @@ yybackup:
       goto yyreduce;
     }
 
-  if (yyn == YYFINAL)
-    YYACCEPT;
-
   /* Count tokens shifted since error; after three, turn off error
      status.  */
   if (yyerrstatus)
@@ -1730,9 +1846,8 @@ yybackup:
   /* 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;
@@ -1773,83 +1888,91 @@ yyreduce:
   switch (yyn)
     {
         case 6:
-#line 218 "parse-gram.y"
+
+/* Line 1537 of yacc.c  */
+#line 226 "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[(1) - (1)].chars), (yylsp[(1) - (1)]));
+      code_props_translate_code (&plain_code);
+      gram_scanner_last_string_free ();
+      muscle_code_grow (union_seen ? "post_prologue" : "pre_prologue",
+                        plain_code.code, (yylsp[(1) - (1)]));
+      code_scanner_last_string_free ();
     }
     break;
 
   case 7:
-#line 222 "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);
-    }
+
+/* Line 1537 of yacc.c  */
+#line 235 "parse-gram.y"
+    { debug_flag = true; }
     break;
 
   case 8:
-#line 228 "parse-gram.y"
+
+/* Line 1537 of yacc.c  */
+#line 237 "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[(2) - (3)].uniqstr), (yylsp[(2) - (3)]), (yyvsp[(3) - (3)].chars));
     }
     break;
 
   case 9:
-#line 233 "parse-gram.y"
-    { debug_flag = true; }
+
+/* Line 1537 of yacc.c  */
+#line 240 "parse-gram.y"
+    { defines_flag = true; }
     break;
 
   case 10:
-#line 235 "parse-gram.y"
+
+/* Line 1537 of yacc.c  */
+#line 242 "parse-gram.y"
     {
-      static char one[] = "1";
-      muscle_insert ((yyvsp[(2) - (2)].chars), one);
+      defines_flag = true;
+      spec_defines_file = xstrdup ((yyvsp[(2) - (2)].chars));
     }
     break;
 
   case 11:
-#line 239 "parse-gram.y"
-    { muscle_insert ((yyvsp[(2) - (3)].chars), (yyvsp[(3) - (3)].chars)); }
-    break;
 
-  case 12:
-#line 240 "parse-gram.y"
-    { defines_flag = true; }
+/* Line 1537 of yacc.c  */
+#line 246 "parse-gram.y"
+    { error_verbose = true; }
     break;
 
-  case 13:
-#line 242 "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)]));
-    }
-    break;
+  case 12:
 
-  case 14:
+/* Line 1537 of yacc.c  */
 #line 247 "parse-gram.y"
-    { error_verbose = true; }
+    { expected_sr_conflicts = (yyvsp[(2) - (2)].integer); }
     break;
 
-  case 15:
+  case 13:
+
+/* Line 1537 of yacc.c  */
 #line 248 "parse-gram.y"
-    { expected_sr_conflicts = (yyvsp[(2) - (2)].integer); }
+    { expected_rr_conflicts = (yyvsp[(2) - (2)].integer); }
     break;
 
-  case 16:
+  case 14:
+
+/* Line 1537 of yacc.c  */
 #line 249 "parse-gram.y"
-    { expected_rr_conflicts = (yyvsp[(2) - (2)].integer); }
+    { spec_file_prefix = (yyvsp[(2) - (2)].chars); }
     break;
 
-  case 17:
+  case 15:
+
+/* Line 1537 of yacc.c  */
 #line 250 "parse-gram.y"
     { spec_file_prefix = (yyvsp[(3) - (3)].chars); }
     break;
 
-  case 18:
+  case 16:
+
+/* Line 1537 of yacc.c  */
 #line 252 "parse-gram.y"
     {
       nondeterministic_parser = true;
@@ -1857,262 +1980,445 @@ yyreduce:
     }
     break;
 
-  case 19:
+  case 17:
+
+/* Line 1537 of yacc.c  */
 #line 257 "parse-gram.y"
     {
-      muscle_code_grow ("initial_action", translate_symbol_action ((yyvsp[(2) - (2)].chars), (yylsp[(2) - (2)])), (yylsp[(2) - (2)]));
+      code_props action;
+      code_props_symbol_action_init (&action, (yyvsp[(2) - (2)].code), (yylsp[(2) - (2)]));
+      code_props_translate_code (&action);
+      gram_scanner_last_string_free ();
+      muscle_code_grow ("initial_action", action.code, (yylsp[(2) - (2)]));
+      code_scanner_last_string_free ();
     }
     break;
 
+  case 18:
+
+/* Line 1537 of yacc.c  */
+#line 265 "parse-gram.y"
+    { language_argmatch ((yyvsp[(2) - (2)].chars), 1, &(yylsp[(1) - (2)])); }
+    break;
+
+  case 19:
+
+/* Line 1537 of yacc.c  */
+#line 266 "parse-gram.y"
+    { add_param ("lex_param", (yyvsp[(2) - (2)].code), (yylsp[(2) - (2)])); }
+    break;
+
   case 20:
-#line 260 "parse-gram.y"
-    { add_param ("lex_param", (yyvsp[(2) - (2)].chars), (yylsp[(2) - (2)])); }
+
+/* Line 1537 of yacc.c  */
+#line 267 "parse-gram.y"
+    { locations_flag = true; }
     break;
 
   case 21:
-#line 261 "parse-gram.y"
-    { locations_flag = true; }
+
+/* Line 1537 of yacc.c  */
+#line 268 "parse-gram.y"
+    { spec_name_prefix = (yyvsp[(2) - (2)].chars); }
     break;
 
   case 22:
-#line 262 "parse-gram.y"
+
+/* Line 1537 of yacc.c  */
+#line 269 "parse-gram.y"
     { spec_name_prefix = (yyvsp[(3) - (3)].chars); }
     break;
 
   case 23:
-#line 263 "parse-gram.y"
+
+/* Line 1537 of yacc.c  */
+#line 270 "parse-gram.y"
     { no_lines_flag = true; }
     break;
 
   case 24:
-#line 264 "parse-gram.y"
+
+/* Line 1537 of yacc.c  */
+#line 271 "parse-gram.y"
     { nondeterministic_parser = true; }
     break;
 
   case 25:
-#line 265 "parse-gram.y"
-    { spec_outfile = (yyvsp[(3) - (3)].chars); }
+
+/* Line 1537 of yacc.c  */
+#line 272 "parse-gram.y"
+    { spec_outfile = (yyvsp[(2) - (2)].chars); }
     break;
 
   case 26:
-#line 266 "parse-gram.y"
-    { add_param ("parse_param", (yyvsp[(2) - (2)].chars), (yylsp[(2) - (2)])); }
+
+/* Line 1537 of yacc.c  */
+#line 273 "parse-gram.y"
+    { spec_outfile = (yyvsp[(3) - (3)].chars); }
     break;
 
   case 27:
-#line 267 "parse-gram.y"
-    { pure_parser = true; }
+
+/* Line 1537 of yacc.c  */
+#line 274 "parse-gram.y"
+    { add_param ("parse_param", (yyvsp[(2) - (2)].code), (yylsp[(2) - (2)])); }
     break;
 
   case 28:
-#line 268 "parse-gram.y"
-    { version_check (&(yylsp[(2) - (2)]), (yyvsp[(2) - (2)].chars)); }
+
+/* Line 1537 of yacc.c  */
+#line 275 "parse-gram.y"
+    { pure_parser = true; }
     break;
 
   case 29:
-#line 269 "parse-gram.y"
-    { skeleton = (yyvsp[(2) - (2)].chars); }
+
+/* Line 1537 of yacc.c  */
+#line 276 "parse-gram.y"
+    { push_parser = true; pull_parser = false; }
     break;
 
   case 30:
-#line 271 "parse-gram.y"
+
+/* Line 1537 of yacc.c  */
+#line 277 "parse-gram.y"
+    { push_parser = true; pull_parser = true; }
+    break;
+
+  case 31:
+
+/* Line 1537 of yacc.c  */
+#line 278 "parse-gram.y"
+    { version_check (&(yylsp[(2) - (2)]), (yyvsp[(2) - (2)].chars)); }
+    break;
+
+  case 32:
+
+/* Line 1537 of yacc.c  */
+#line 280 "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)]));
+      char const *skeleton_user = (yyvsp[(2) - (2)].chars);
+      if (strchr (skeleton_user, '/'))
+        {
+          size_t dir_length = strlen (current_file);
+          char *skeleton_build;
+          while (dir_length && current_file[dir_length - 1] != '/')
+            --dir_length;
+          while (dir_length && current_file[dir_length - 1] == '/')
+            --dir_length;
+          skeleton_build =
+            xmalloc (dir_length + 1 + strlen (skeleton_user) + 1);
+          if (dir_length > 0)
+            {
+              strncpy (skeleton_build, current_file, dir_length);
+              skeleton_build[dir_length++] = '/';
+            }
+          strcpy (skeleton_build + dir_length, skeleton_user);
+          skeleton_user = uniqstr_new (skeleton_build);
+          free (skeleton_build);
+        }
+      skeleton_arg (skeleton_user, 1, &(yylsp[(1) - (2)]));
     }
     break;
 
-  case 31:
-#line 276 "parse-gram.y"
+  case 33:
+
+/* Line 1537 of yacc.c  */
+#line 303 "parse-gram.y"
     { token_table_flag = true; }
     break;
 
-  case 32:
-#line 277 "parse-gram.y"
+  case 34:
+
+/* Line 1537 of yacc.c  */
+#line 304 "parse-gram.y"
     { report_flag = report_states; }
     break;
 
-  case 33:
-#line 278 "parse-gram.y"
+  case 35:
+
+/* Line 1537 of yacc.c  */
+#line 305 "parse-gram.y"
     { yacc_flag = true; }
     break;
 
-  case 37:
-#line 286 "parse-gram.y"
+  case 39:
+
+/* Line 1537 of yacc.c  */
+#line 313 "parse-gram.y"
     {
       grammar_start_symbol_set ((yyvsp[(2) - (2)].symbol), (yylsp[(2) - (2)]));
     }
     break;
 
-  case 38:
-#line 290 "parse-gram.y"
+  case 40:
+
+/* Line 1537 of yacc.c  */
+#line 317 "parse-gram.y"
     {
       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_destructor_set (list, (yyvsp[(2) - (3)].code), (yylsp[(2) - (3)]));
       symbol_list_free ((yyvsp[(3) - (3)].list));
     }
     break;
 
-  case 39:
-#line 298 "parse-gram.y"
+  case 41:
+
+/* Line 1537 of yacc.c  */
+#line 324 "parse-gram.y"
     {
       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_printer_set (list, (yyvsp[(2) - (3)].code), (yylsp[(2) - (3)]));
       symbol_list_free ((yyvsp[(3) - (3)].list));
     }
     break;
 
-  case 40:
-#line 306 "parse-gram.y"
+  case 42:
+
+/* Line 1537 of yacc.c  */
+#line 331 "parse-gram.y"
     {
       default_prec = true;
     }
     break;
 
-  case 41:
-#line 310 "parse-gram.y"
+  case 43:
+
+/* Line 1537 of yacc.c  */
+#line 335 "parse-gram.y"
     {
       default_prec = false;
     }
     break;
 
-  case 42:
-#line 323 "parse-gram.y"
+  case 44:
+
+/* Line 1537 of yacc.c  */
+#line 339 "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[(2) - (2)].chars), (yylsp[(2) - (2)]));
+      code_scanner_last_string_free ();
+    }
+    break;
+
+  case 45:
+
+/* Line 1537 of yacc.c  */
+#line 346 "parse-gram.y"
+    {
+      muscle_percent_code_grow ((yyvsp[(2) - (3)].uniqstr), (yylsp[(2) - (3)]), (yyvsp[(3) - (3)].chars), (yylsp[(3) - (3)]));
+      code_scanner_last_string_free ();
+    }
+    break;
+
+  case 46:
+
+/* Line 1537 of yacc.c  */
+#line 360 "parse-gram.y"
     {}
     break;
 
-  case 43:
-#line 324 "parse-gram.y"
+  case 47:
+
+/* Line 1537 of yacc.c  */
+#line 361 "parse-gram.y"
     { muscle_code_grow ("union_name", (yyvsp[(1) - (1)].uniqstr), (yylsp[(1) - (1)])); }
     break;
 
-  case 44:
-#line 329 "parse-gram.y"
-    {
-      char const *body = (yyvsp[(3) - (3)].chars);
-
-      if (typed)
-	{
-	  /* Concatenate the union bodies, turning the first one's
-	     trailing '}' into '\n', and omitting the second one's '{'.  */
-	  char *code = muscle_find ("stype");
-	  code[strlen (code) - 1] = '\n';
-	  body++;
-	}
+  case 48:
 
-      typed = true;
-      muscle_code_grow ("stype", body, (yylsp[(3) - (3)]));
+/* Line 1537 of yacc.c  */
+#line 366 "parse-gram.y"
+    {
+      union_seen = true;
+      muscle_code_grow ("stype", (yyvsp[(3) - (3)].chars), (yylsp[(3) - (3)]));
+      code_scanner_last_string_free ();
     }
     break;
 
-  case 45:
-#line 350 "parse-gram.y"
+  case 49:
+
+/* Line 1537 of yacc.c  */
+#line 377 "parse-gram.y"
     { current_class = nterm_sym; }
     break;
 
-  case 46:
-#line 351 "parse-gram.y"
+  case 50:
+
+/* Line 1537 of yacc.c  */
+#line 378 "parse-gram.y"
     {
       current_class = unknown_sym;
       current_type = NULL;
     }
     break;
 
-  case 47:
-#line 355 "parse-gram.y"
+  case 51:
+
+/* Line 1537 of yacc.c  */
+#line 382 "parse-gram.y"
     { current_class = token_sym; }
     break;
 
-  case 48:
-#line 356 "parse-gram.y"
+  case 52:
+
+/* Line 1537 of yacc.c  */
+#line 383 "parse-gram.y"
     {
       current_class = unknown_sym;
       current_type = NULL;
     }
     break;
 
-  case 49:
-#line 361 "parse-gram.y"
+  case 53:
+
+/* Line 1537 of yacc.c  */
+#line 388 "parse-gram.y"
     {
       symbol_list *list;
+      tag_seen = true;
       for (list = (yyvsp[(3) - (3)].list); list; list = list->next)
-	symbol_type_set (list->sym, (yyvsp[(2) - (3)].uniqstr), (yylsp[(2) - (3)]));
+	symbol_type_set (list->content.sym, (yyvsp[(2) - (3)].uniqstr), (yylsp[(2) - (3)]));
       symbol_list_free ((yyvsp[(3) - (3)].list));
     }
     break;
 
-  case 50:
-#line 371 "parse-gram.y"
+  case 54:
+
+/* Line 1537 of yacc.c  */
+#line 399 "parse-gram.y"
     {
       symbol_list *list;
       ++current_prec;
       for (list = (yyvsp[(3) - (3)].list); list; list = list->next)
 	{
-	  symbol_type_set (list->sym, current_type, (yylsp[(2) - (3)]));
-	  symbol_precedence_set (list->sym, current_prec, (yyvsp[(1) - (3)].assoc), (yylsp[(1) - (3)]));
+	  symbol_type_set (list->content.sym, current_type, (yylsp[(2) - (3)]));
+	  symbol_precedence_set (list->content.sym, current_prec, (yyvsp[(1) - (3)].assoc), (yylsp[(1) - (3)]));
 	}
       symbol_list_free ((yyvsp[(3) - (3)].list));
       current_type = NULL;
     }
     break;
 
-  case 51:
-#line 385 "parse-gram.y"
+  case 55:
+
+/* Line 1537 of yacc.c  */
+#line 413 "parse-gram.y"
     { (yyval.assoc) = left_assoc; }
     break;
 
-  case 52:
-#line 386 "parse-gram.y"
+  case 56:
+
+/* Line 1537 of yacc.c  */
+#line 414 "parse-gram.y"
     { (yyval.assoc) = right_assoc; }
     break;
 
-  case 53:
-#line 387 "parse-gram.y"
+  case 57:
+
+/* Line 1537 of yacc.c  */
+#line 415 "parse-gram.y"
     { (yyval.assoc) = non_assoc; }
     break;
 
-  case 54:
-#line 391 "parse-gram.y"
+  case 58:
+
+/* Line 1537 of yacc.c  */
+#line 419 "parse-gram.y"
     { current_type = NULL; }
     break;
 
-  case 55:
-#line 392 "parse-gram.y"
-    { current_type = (yyvsp[(1) - (1)].uniqstr); }
+  case 59:
+
+/* Line 1537 of yacc.c  */
+#line 420 "parse-gram.y"
+    { current_type = (yyvsp[(1) - (1)].uniqstr); tag_seen = true; }
     break;
 
-  case 56:
-#line 397 "parse-gram.y"
-    { (yyval.list) = symbol_list_new ((yyvsp[(1) - (1)].symbol), (yylsp[(1) - (1)])); }
+  case 60:
+
+/* Line 1537 of yacc.c  */
+#line 426 "parse-gram.y"
+    { (yyval.list) = symbol_list_sym_new ((yyvsp[(1) - (1)].symbol), (yylsp[(1) - (1)])); }
     break;
 
-  case 57:
-#line 398 "parse-gram.y"
-    { (yyval.list) = symbol_list_prepend ((yyvsp[(1) - (2)].list), (yyvsp[(2) - (2)].symbol), (yylsp[(2) - (2)])); }
+  case 61:
+
+/* Line 1537 of yacc.c  */
+#line 428 "parse-gram.y"
+    { (yyval.list) = symbol_list_prepend ((yyvsp[(1) - (2)].list), symbol_list_sym_new ((yyvsp[(2) - (2)].symbol), (yylsp[(2) - (2)]))); }
     break;
 
-  case 58:
-#line 404 "parse-gram.y"
+  case 62:
+
+/* Line 1537 of yacc.c  */
+#line 432 "parse-gram.y"
+    { (yyval.list) = (yyvsp[(1) - (1)].list); }
+    break;
+
+  case 63:
+
+/* Line 1537 of yacc.c  */
+#line 433 "parse-gram.y"
+    { (yyval.list) = symbol_list_prepend ((yyvsp[(1) - (2)].list), (yyvsp[(2) - (2)].list)); }
+    break;
+
+  case 64:
+
+/* Line 1537 of yacc.c  */
+#line 437 "parse-gram.y"
+    { (yyval.list) = symbol_list_sym_new ((yyvsp[(1) - (1)].symbol), (yylsp[(1) - (1)])); }
+    break;
+
+  case 65:
+
+/* Line 1537 of yacc.c  */
+#line 438 "parse-gram.y"
+    { (yyval.list) = symbol_list_type_new ((yyvsp[(1) - (1)].uniqstr), (yylsp[(1) - (1)])); }
+    break;
+
+  case 66:
+
+/* Line 1537 of yacc.c  */
+#line 439 "parse-gram.y"
+    { (yyval.list) = symbol_list_default_tagged_new ((yylsp[(1) - (1)])); }
+    break;
+
+  case 67:
+
+/* Line 1537 of yacc.c  */
+#line 440 "parse-gram.y"
+    { (yyval.list) = symbol_list_default_tagless_new ((yylsp[(1) - (1)])); }
+    break;
+
+  case 68:
+
+/* Line 1537 of yacc.c  */
+#line 446 "parse-gram.y"
     {
        current_type = (yyvsp[(1) - (1)].uniqstr);
+       tag_seen = true;
      }
     break;
 
-  case 59:
-#line 408 "parse-gram.y"
+  case 69:
+
+/* Line 1537 of yacc.c  */
+#line 451 "parse-gram.y"
     {
        symbol_class_set ((yyvsp[(1) - (1)].symbol), current_class, (yylsp[(1) - (1)]), true);
        symbol_type_set ((yyvsp[(1) - (1)].symbol), current_type, (yylsp[(1) - (1)]));
      }
     break;
 
-  case 60:
-#line 413 "parse-gram.y"
+  case 70:
+
+/* Line 1537 of yacc.c  */
+#line 456 "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)]));
@@ -2120,8 +2426,10 @@ yyreduce:
     }
     break;
 
-  case 61:
-#line 419 "parse-gram.y"
+  case 71:
+
+/* Line 1537 of yacc.c  */
+#line 462 "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)]));
@@ -2129,8 +2437,10 @@ yyreduce:
     }
     break;
 
-  case 62:
-#line 425 "parse-gram.y"
+  case 72:
+
+/* Line 1537 of yacc.c  */
+#line 468 "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)]));
@@ -2139,65 +2449,119 @@ yyreduce:
     }
     break;
 
-  case 69:
-#line 455 "parse-gram.y"
+  case 79:
+
+/* Line 1537 of yacc.c  */
+#line 498 "parse-gram.y"
     {
       yyerrok;
     }
     break;
 
-  case 70:
-#line 461 "parse-gram.y"
+  case 80:
+
+/* Line 1537 of yacc.c  */
+#line 504 "parse-gram.y"
     { current_lhs = (yyvsp[(1) - (1)].symbol); current_lhs_location = (yylsp[(1) - (1)]); }
     break;
 
-  case 72:
-#line 465 "parse-gram.y"
+  case 82:
+
+/* Line 1537 of yacc.c  */
+#line 508 "parse-gram.y"
     { grammar_current_rule_end ((yylsp[(1) - (1)])); }
     break;
 
-  case 73:
-#line 466 "parse-gram.y"
+  case 83:
+
+/* Line 1537 of yacc.c  */
+#line 509 "parse-gram.y"
     { grammar_current_rule_end ((yylsp[(3) - (3)])); }
     break;
 
-  case 75:
-#line 472 "parse-gram.y"
+  case 85:
+
+/* Line 1537 of yacc.c  */
+#line 515 "parse-gram.y"
     { grammar_current_rule_begin (current_lhs, current_lhs_location); }
     break;
 
-  case 76:
-#line 474 "parse-gram.y"
+  case 86:
+
+/* Line 1537 of yacc.c  */
+#line 517 "parse-gram.y"
     { grammar_current_rule_symbol_append ((yyvsp[(2) - (2)].symbol), (yylsp[(2) - (2)])); }
     break;
 
-  case 77:
-#line 476 "parse-gram.y"
-    { grammar_current_rule_action_append ((yyvsp[(2) - (2)].chars), (yylsp[(2) - (2)])); }
+  case 87:
+
+/* Line 1537 of yacc.c  */
+#line 519 "parse-gram.y"
+    { grammar_current_rule_action_append ((yyvsp[(2) - (2)].code), (yylsp[(2) - (2)])); }
     break;
 
-  case 78:
-#line 478 "parse-gram.y"
+  case 88:
+
+/* Line 1537 of yacc.c  */
+#line 521 "parse-gram.y"
     { grammar_current_rule_prec_set ((yyvsp[(3) - (3)].symbol), (yylsp[(3) - (3)])); }
     break;
 
-  case 79:
-#line 480 "parse-gram.y"
+  case 89:
+
+/* Line 1537 of yacc.c  */
+#line 523 "parse-gram.y"
     { grammar_current_rule_dprec_set ((yyvsp[(3) - (3)].integer), (yylsp[(3) - (3)])); }
     break;
 
-  case 80:
-#line 482 "parse-gram.y"
+  case 90:
+
+/* Line 1537 of yacc.c  */
+#line 525 "parse-gram.y"
     { grammar_current_rule_merge_set ((yyvsp[(3) - (3)].uniqstr), (yylsp[(3) - (3)])); }
     break;
 
-  case 81:
-#line 495 "parse-gram.y"
+  case 92:
+
+/* Line 1537 of yacc.c  */
+#line 535 "parse-gram.y"
+    { (yyval.uniqstr) = uniqstr_new ((yyvsp[(1) - (1)].chars)); }
+    break;
+
+  case 93:
+
+/* Line 1537 of yacc.c  */
+#line 541 "parse-gram.y"
+    {
+      (yyval.chars) = "";
+    }
+    break;
+
+  case 95:
+
+/* Line 1537 of yacc.c  */
+#line 554 "parse-gram.y"
+    {
+      code_props plain_code;
+      (yyvsp[(1) - (1)].code)[strlen ((yyvsp[(1) - (1)].code)) - 1] = '\n';
+      code_props_plain_init (&plain_code, (yyvsp[(1) - (1)].code)+1, (yylsp[(1) - (1)]));
+      code_props_translate_code (&plain_code);
+      gram_scanner_last_string_free ();
+      (yyval.chars) = plain_code.code;
+    }
+    break;
+
+  case 96:
+
+/* Line 1537 of yacc.c  */
+#line 574 "parse-gram.y"
     { (yyval.symbol) = symbol_from_uniqstr ((yyvsp[(1) - (1)].uniqstr), (yylsp[(1) - (1)])); }
     break;
 
-  case 82:
-#line 497 "parse-gram.y"
+  case 97:
+
+/* Line 1537 of yacc.c  */
+#line 576 "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);
@@ -2205,35 +2569,41 @@ yyreduce:
     }
     break;
 
-  case 83:
-#line 505 "parse-gram.y"
+  case 98:
+
+/* Line 1537 of yacc.c  */
+#line 584 "parse-gram.y"
     { (yyval.symbol) = symbol_from_uniqstr ((yyvsp[(1) - (1)].uniqstr), (yylsp[(1) - (1)])); }
     break;
 
-  case 86:
-#line 517 "parse-gram.y"
+  case 101:
+
+/* Line 1537 of yacc.c  */
+#line 596 "parse-gram.y"
     {
       (yyval.symbol) = symbol_get (quotearg_style (c_quoting_style, (yyvsp[(1) - (1)].chars)), (yylsp[(1) - (1)]));
       symbol_class_set ((yyval.symbol), token_sym, (yylsp[(1) - (1)]), false);
     }
     break;
 
-  case 87:
-#line 526 "parse-gram.y"
-    { (yyval.chars) = (yyvsp[(1) - (1)].chars); }
-    break;
+  case 103:
 
-  case 89:
-#line 533 "parse-gram.y"
+/* Line 1537 of yacc.c  */
+#line 605 "parse-gram.y"
     {
-      muscle_code_grow ("epilogue", translate_code ((yyvsp[(2) - (2)].chars), (yylsp[(2) - (2)])), (yylsp[(2) - (2)]));
+      code_props plain_code;
+      code_props_plain_init (&plain_code, (yyvsp[(2) - (2)].chars), (yylsp[(2) - (2)]));
+      code_props_translate_code (&plain_code);
       gram_scanner_last_string_free ();
+      muscle_code_grow ("epilogue", plain_code.code, (yylsp[(2) - (2)]));
+      code_scanner_last_string_free ();
     }
     break;
 
 
-/* Line 1274 of yacc.c.  */
-#line 2237 "parse-gram.c"
+
+/* Line 1537 of yacc.c  */
+#line 2607 "parse-gram.c"
       default: break;
     }
   YY_SYMBOL_PRINT ("-> $$ =", yyr1[yyn], &yyval, &yyloc);
@@ -2384,9 +2754,6 @@ yyerrlab1:
       YY_STACK_PRINT (yyss, yyssp);
     }
 
-  if (yyn == YYFINAL)
-    YYACCEPT;
-
   *++yyvsp = yylval;
 
   yyerror_range[1] = yylloc;
@@ -2427,7 +2794,7 @@ yyexhaustedlab:
 #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
@@ -2453,7 +2820,9 @@ yyreturn:
 }
 
 
-#line 539 "parse-gram.y"
+
+/* Line 1537 of yacc.c  */
+#line 615 "parse-gram.y"
 
 
 
@@ -2538,6 +2907,7 @@ add_param (char const *type, char *decl, location loc)
   gram_scanner_last_string_free ();
 }
 
+
 static void
 version_check (location const *loc, char const *version)
 {