Change @dircategory from "GNU programming tools" to "Software development".

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

diff --git a/src/parse-gram.c b/src/parse-gram.c
index 2170ea23203e1b9ab2858e3a66ac0e3d88ba723d..19a0252db8278f49d8398e68841e122b8a9eee15 100644 (file)
--- a/src/parse-gram.c
+++ b/src/parse-gram.c
@@ -1,4 +1,4 @@
-/* A Bison parser, made by GNU Bison 1.875c.  */
+/* A Bison parser, made by GNU Bison 2.0a.  */

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


@@ -45,8 +45,7 @@
 /* Using locations.  */
 #define YYLSP_NEEDED 1
 
 /* Using locations.  */
 #define YYLSP_NEEDED 1
 

-/* If NAME_PREFIX is specified substitute the variables and functions
-   names.  */
+/* Substitute the variable and function names.  */

 #define yyparse gram_parse
 #define yylex   gram_lex
 #define yyerror gram_error
 #define yyparse gram_parse
 #define yylex   gram_lex
 #define yyerror gram_error


@@ -167,7 +166,28 @@
 
 
 /* Copy the first part of user declarations.  */
 
 
 /* Copy the first part of user declarations.  */

-#line 32 "parse-gram.y"
+#line 1 "parse-gram.y"
+/* Bison Grammar Parser                             -*- C -*-
+
+   Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
+
+   This file is part of Bison, the GNU Compiler Compiler.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307  USA
+*/

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


@@ -184,6 +204,9 @@
 #define YYLLOC_DEFAULT(Current, Rhs, N)  (Current) = lloc_default (Rhs, N)
 static YYLTYPE lloc_default (YYLTYPE const *, int);
 
 #define YYLLOC_DEFAULT(Current, Rhs, N)  (Current) = lloc_default (Rhs, N)
 static YYLTYPE lloc_default (YYLTYPE const *, int);
 

+#define YY_LOCATION_PRINT(File, Loc) \
+          location_print (File, Loc)
+

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


@@ -219,7 +242,7 @@ int current_prec = 0;
 #endif
 
 #if ! defined (YYSTYPE) && ! defined (YYSTYPE_IS_DECLARED)
 #endif
 
 #if ! defined (YYSTYPE) && ! defined (YYSTYPE_IS_DECLARED)

-#line 80 "parse-gram.y"
+#line 81 "parse-gram.y"

 typedef union YYSTYPE {
   symbol *symbol;
   symbol_list *list;
 typedef union YYSTYPE {
   symbol *symbol;
   symbol_list *list;


@@ -229,7 +252,7 @@ typedef union YYSTYPE {
   uniqstr uniqstr;
 } YYSTYPE;
 /* Line 191 of yacc.c.  */
   uniqstr uniqstr;
 } YYSTYPE;
 /* Line 191 of yacc.c.  */

-#line 233 "parse-gram.c"
+#line 256 "parse-gram.c"

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


@@ -253,7 +276,7 @@ typedef struct YYLTYPE
 
 
 /* Line 214 of yacc.c.  */
 
 
 /* Line 214 of yacc.c.  */

-#line 257 "parse-gram.c"
+#line 280 "parse-gram.c"

 
 #if ! defined (yyoverflow) || YYERROR_VERBOSE
 
 
 #if ! defined (yyoverflow) || YYERROR_VERBOSE
 


@@ -268,14 +291,10 @@ typedef struct YYLTYPE
 
 # ifdef YYSTACK_USE_ALLOCA
 #  if YYSTACK_USE_ALLOCA
 
 # ifdef YYSTACK_USE_ALLOCA
 #  if YYSTACK_USE_ALLOCA

-#   define YYSTACK_ALLOC alloca
-#  endif
-# else
-#  if defined (alloca) || defined (_ALLOCA_H)
-#   define YYSTACK_ALLOC alloca
-#  else

 #   ifdef __GNUC__
 #    define YYSTACK_ALLOC __builtin_alloca
 #   ifdef __GNUC__
 #    define YYSTACK_ALLOC __builtin_alloca

+#   else
+#    define YYSTACK_ALLOC alloca

 #   endif
 #  endif
 # endif
 #   endif
 #  endif
 # endif


@@ -326,7 +345,7 @@ union yyalloc
 #   define YYCOPY(To, From, Count)             \
       do                                       \
        {                                       \
 #   define YYCOPY(To, From, Count)             \
       do                                       \
        {                                       \

-         register YYSIZE_T yyi;                \
+         YYSIZE_T yyi;                         \

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


@@ -459,14 +478,14 @@ static const yysigned_char yyrhs[] =
 /* YYRLINE[YYN] -- source line where rule number YYN was defined.  */
 static const unsigned short int yyrline[] =
 {
 /* YYRLINE[YYN] -- source line where rule number YYN was defined.  */
 static const unsigned short int yyrline[] =
 {

-       0,   173,   173,   181,   183,   187,   188,   189,   190,   191,
-     192,   193,   194,   195,   196,   201,   205,   206,   207,   208,
-     209,   210,   211,   212,   213,   214,   215,   216,   217,   221,
-     222,   223,   227,   233,   240,   247,   251,   258,   258,   263,
-     263,   268,   278,   293,   294,   295,   299,   300,   306,   307,
-     312,   316,   321,   327,   333,   344,   345,   354,   355,   361,
-     362,   367,   374,   374,   378,   379,   380,   385,   386,   388,
-     390,   392,   394,   399,   400,   404,   410,   419,   426,   428
+       0,   174,   174,   182,   184,   188,   189,   190,   191,   192,
+     193,   194,   195,   196,   197,   202,   206,   207,   208,   209,
+     210,   211,   212,   213,   214,   215,   216,   217,   218,   222,
+     223,   224,   228,   234,   241,   248,   252,   259,   259,   264,
+     264,   269,   279,   294,   295,   296,   300,   301,   307,   308,
+     313,   317,   322,   328,   334,   345,   346,   355,   356,   362,
+     363,   368,   375,   375,   379,   380,   381,   386,   387,   389,
+     391,   393,   395,   400,   401,   405,   411,   420,   427,   429

 };
 #endif
 
 };
 #endif
 


@@ -701,20 +720,53 @@ do                                                                \
     }                                                          \
 while (0)
 
     }                                                          \
 while (0)
 

+

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

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

 
 

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

 #ifndef YYLLOC_DEFAULT
 #ifndef YYLLOC_DEFAULT

-# define YYLLOC_DEFAULT(Current, Rhs, N)               \
-   ((Current).first_line   = (Rhs)[1].first_line,      \
-    (Current).first_column = (Rhs)[1].first_column,    \
-    (Current).last_line    = (Rhs)[N].last_line,       \
-    (Current).last_column  = (Rhs)[N].last_column)
+# define YYLLOC_DEFAULT(Current, Rhs, N)                               \
+    do                                                                 \
+      if (N)                                                           \
+       {                                                               \
+         (Current).first_line   = YYRHSLOC (Rhs, 1).first_line;        \
+         (Current).first_column = YYRHSLOC (Rhs, 1).first_column;      \
+         (Current).last_line    = YYRHSLOC (Rhs, N).last_line;         \
+         (Current).last_column  = YYRHSLOC (Rhs, N).last_column;       \
+       }                                                               \
+      else                                                             \
+       {                                                               \
+         (Current).first_line   = (Current).last_line   =              \
+           YYRHSLOC (Rhs, 0).last_line;                                \
+         (Current).first_column = (Current).last_column =              \
+           YYRHSLOC (Rhs, 0).last_column;                              \
+       }                                                               \
+    while (0)
+#endif
+
+
+/* YY_LOCATION_PRINT -- Print the location on the stream.
+   This macro was not mandated originally: define only if we know
+   we won't break user code: when these are the locations we know.  */
+
+#ifndef YY_LOCATION_PRINT
+# if YYLTYPE_IS_TRIVIAL
+#  define YY_LOCATION_PRINT(File, Loc)                 \
+     fprintf (File, "%d.%d-%d.%d",                     \
+              (Loc).first_line, (Loc).first_column,    \
+              (Loc).last_line,  (Loc).last_column)
+# else
+#  define YY_LOCATION_PRINT(File, Loc) ((void) 0)
+# endif

 #endif
 
 #endif
 

+

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


@@ -737,19 +789,13 @@ do {                                              \
     YYFPRINTF Args;                            \
 } while (0)
 
     YYFPRINTF Args;                            \
 } while (0)
 

-# define YYDSYMPRINT(Args)                     \
-do {                                           \
-  if (yydebug)                                 \
-    yysymprint Args;                           \
-} while (0)
-
-# define YYDSYMPRINTF(Title, Token, Value, Location)           \
+# define YY_SYMBOL_PRINT(Title, Type, Value, Location)         \

 do {                                                           \
   if (yydebug)                                                 \
     {                                                          \
       YYFPRINTF (stderr, "%s ", Title);                                \
       yysymprint (stderr,                                      \
 do {                                                           \
   if (yydebug)                                                 \
     {                                                          \
       YYFPRINTF (stderr, "%s ", Title);                                \
       yysymprint (stderr,                                      \

-                  Token, Value, Location);     \
+                  Type, Value, Location);      \

       YYFPRINTF (stderr, "\n");                                        \
     }                                                          \
 } while (0)
       YYFPRINTF (stderr, "\n");                                        \
     }                                                          \
 } while (0)


@@ -816,8 +862,7 @@ do {                                        \
 int yydebug;
 #else /* !YYDEBUG */
 # define YYDPRINTF(Args)
 int yydebug;
 #else /* !YYDEBUG */
 # define YYDPRINTF(Args)

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

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


@@ -835,10 +880,6 @@ int yydebug;
    SIZE_MAX < YYSTACK_BYTES (YYMAXDEPTH)
    evaluated with infinite-precision integer arithmetic.  */
 
    SIZE_MAX < YYSTACK_BYTES (YYMAXDEPTH)
    evaluated with infinite-precision integer arithmetic.  */
 

-#if defined (YYMAXDEPTH) && YYMAXDEPTH == 0
-# undef YYMAXDEPTH
-#endif
-

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


@@ -860,7 +901,7 @@ yystrlen (yystr)
      const char *yystr;
 #   endif
 {
      const char *yystr;
 #   endif
 {

-  register const char *yys = yystr;
+  const char *yys = yystr;

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


@@ -885,8 +926,8 @@ yystpcpy (yydest, yysrc)
      const char *yysrc;
 #   endif
 {
      const char *yysrc;
 #   endif
 {

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

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


@@ -922,15 +963,17 @@ yysymprint (yyoutput, yytype, yyvaluep, yylocationp)
   (void) yylocationp;
 
   if (yytype < YYNTOKENS)
   (void) yylocationp;
 
   if (yytype < YYNTOKENS)

-    {
-      YYFPRINTF (yyoutput, "token %s (", yytname[yytype]);
-# ifdef YYPRINT
-      YYPRINT (yyoutput, yytoknum[yytype], *yyvaluep);
-# endif
-    }
+    YYFPRINTF (yyoutput, "token %s (", yytname[yytype]);

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

+  YY_LOCATION_PRINT (yyoutput, *yylocationp);
+  fprintf (yyoutput, ": ");
+
+# ifdef YYPRINT
+  if (yytype < YYNTOKENS)
+    YYPRINT (yyoutput, yytoknum[yytype], *yyvaluep);
+# endif

   switch (yytype)
     {
       default:
   switch (yytype)
     {
       default:


@@ -946,10 +989,11 @@ yysymprint (yyoutput, yytype, yyvaluep, yylocationp)
 
 #if defined (__STDC__) || defined (__cplusplus)
 static void
 
 #if defined (__STDC__) || defined (__cplusplus)
 static void

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

 #else
 static void
 #else
 static void

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

     int yytype;
     YYSTYPE *yyvaluep;
     YYLTYPE *yylocationp;
     int yytype;
     YYSTYPE *yyvaluep;
     YYLTYPE *yylocationp;


@@ -959,6 +1003,10 @@ yydestruct (yytype, yyvaluep, yylocationp)
   (void) yyvaluep;
   (void) yylocationp;
 
   (void) yyvaluep;
   (void) yylocationp;
 

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

   switch (yytype)
     {
 
   switch (yytype)
     {
 


@@ -1011,23 +1059,23 @@ yyparse ()
 #endif
 #endif
 {
 #endif
 #endif
 {

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

 int yychar;
 
 int yychar;
 

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

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

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

 YYLTYPE yylloc;
 
 YYLTYPE yylloc;
 

-  register int yystate;
-  register int yyn;
+  int yystate;
+  int yyn;

   int yyresult;
   /* Number of tokens to shift before error messages enabled.  */
   int yyerrstatus;
   int yyresult;
   /* Number of tokens to shift before error messages enabled.  */
   int yyerrstatus;

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

   int yytoken = 0;
 
   /* Three stacks and their tools:
   int yytoken = 0;
 
   /* Three stacks and their tools:


@@ -1041,18 +1089,19 @@ YYLTYPE yylloc;
   /* The state stack.  */
   short int yyssa[YYINITDEPTH];
   short int *yyss = yyssa;
   /* The state stack.  */
   short int yyssa[YYINITDEPTH];
   short int *yyss = yyssa;

-  register short int *yyssp;
+  short int *yyssp;

 
   /* The semantic value stack.  */
   YYSTYPE yyvsa[YYINITDEPTH];
   YYSTYPE *yyvs = yyvsa;
 
   /* The semantic value stack.  */
   YYSTYPE yyvsa[YYINITDEPTH];
   YYSTYPE *yyvs = yyvsa;

-  register YYSTYPE *yyvsp;
+  YYSTYPE *yyvsp;

 
   /* The location stack.  */
   YYLTYPE yylsa[YYINITDEPTH];
   YYLTYPE *yyls = yylsa;
   YYLTYPE *yylsp;
 
   /* The location stack.  */
   YYLTYPE yylsa[YYINITDEPTH];
   YYLTYPE *yyls = yylsa;
   YYLTYPE *yylsp;

-  YYLTYPE *yylerrsp;
+  /* The locations where the error started and ended. */
+  YYLTYPE yyerror_range[2];

 
 #define YYPOPSTACK   (yyvsp--, yyssp--, yylsp--)
 
 
 #define YYPOPSTACK   (yyvsp--, yyssp--, yylsp--)
 


@@ -1082,18 +1131,27 @@ YYLTYPE yylloc;
   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 = 0;
+#endif
+

 
   /* User initialization code. */
 
   /* User initialization code. */

-  #line 70 "parse-gram.y"
+  #line 71 "parse-gram.y"

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

-  (*yylsp).start.file   = (*yylsp).end.file   = current_file;
-  (*yylsp).start.line   = (*yylsp).end.line   = 1;
-  (*yylsp).start.column = (*yylsp).end.column = 0;
+  yylloc.start.file   = yylloc.end.file   = current_file;
+  yylloc.start.line   = yylloc.end.line   = 1;
+  yylloc.start.column = yylloc.end.column = 0;

 }
 }

-/* Line 818 of yacc.c.  */
-#line 1097 "parse-gram.c"
+/* Line 843 of yacc.c.  */
+#line 1152 "parse-gram.c"
+  yyvsp[0] = yylval;
+    yylsp[0] = yylloc;
+

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


@@ -1183,18 +1241,18 @@ YYLTYPE yylloc;
 yybackup:
 
 /* Do appropriate processing given the current state.  */
 yybackup:
 
 /* Do appropriate processing given the current state.  */

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

 /* yyresume: */
 
 /* yyresume: */
 

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

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

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

 
 

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

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


@@ -1209,7 +1267,7 @@ yybackup:
   else
     {
       yytoken = YYTRANSLATE (yychar);
   else
     {
       yytoken = YYTRANSLATE (yychar);

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

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


@@ -1229,8 +1287,8 @@ yybackup:
   if (yyn == YYFINAL)
     YYACCEPT;
 
   if (yyn == YYFINAL)
     YYACCEPT;
 

-  /* Shift the lookahead token.  */
-  YYDPRINTF ((stderr, "Shifting token %s, ", yytname[yytoken]));
+  /* Shift the look-ahead token.  */
+  YY_SYMBOL_PRINT ("Shifting", yytoken, &yylval, &yylloc);

 
   /* Discard the token being shifted unless it is eof.  */
   if (yychar != YYEOF)
 
   /* Discard the token being shifted unless it is eof.  */
   if (yychar != YYEOF)


@@ -1281,47 +1339,47 @@ yyreduce:
   switch (yyn)
     {
         case 6:
   switch (yyn)
     {
         case 6:

-#line 188 "parse-gram.y"
-    { prologue_augment (yyvsp[0].chars, yylsp[0]); }
+#line 189 "parse-gram.y"
+    { prologue_augment ((yyvsp[0].chars), (yylsp[0])); }

     break;
 
   case 7:
     break;
 
   case 7:

-#line 189 "parse-gram.y"
+#line 190 "parse-gram.y"

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

-#line 190 "parse-gram.y"
-    { muscle_insert (yyvsp[-1].chars, yyvsp[0].chars); }
+#line 191 "parse-gram.y"
+    { muscle_insert ((yyvsp[-1].chars), (yyvsp[0].chars)); }

     break;
 
   case 9:
     break;
 
   case 9:

-#line 191 "parse-gram.y"
+#line 192 "parse-gram.y"

     { defines_flag = true; }
     break;
 
   case 10:
     { defines_flag = true; }
     break;
 
   case 10:

-#line 192 "parse-gram.y"
+#line 193 "parse-gram.y"

     { error_verbose = true; }
     break;
 
   case 11:
     { error_verbose = true; }
     break;
 
   case 11:

-#line 193 "parse-gram.y"
-    { expected_sr_conflicts = yyvsp[0].integer; }
+#line 194 "parse-gram.y"
+    { expected_sr_conflicts = (yyvsp[0].integer); }

     break;
 
   case 12:
     break;
 
   case 12:

-#line 194 "parse-gram.y"
-    { expected_rr_conflicts = yyvsp[0].integer; }
+#line 195 "parse-gram.y"
+    { expected_rr_conflicts = (yyvsp[0].integer); }

     break;
 
   case 13:
     break;
 
   case 13:

-#line 195 "parse-gram.y"
-    { spec_file_prefix = yyvsp[0].chars; }
+#line 196 "parse-gram.y"
+    { spec_file_prefix = (yyvsp[0].chars); }

     break;
 
   case 14:
     break;
 
   case 14:

-#line 197 "parse-gram.y"
+#line 198 "parse-gram.y"

     {
     nondeterministic_parser = true;
     glr_parser = true;
     {
     nondeterministic_parser = true;
     glr_parser = true;


@@ -1329,129 +1387,129 @@ yyreduce:
     break;
 
   case 15:
     break;
 
   case 15:

-#line 202 "parse-gram.y"
+#line 203 "parse-gram.y"

     {
     {

-    muscle_code_grow ("initial_action", yyvsp[0].chars, yylsp[0]);
+    muscle_code_grow ("initial_action", (yyvsp[0].chars), (yylsp[0]));

   }
     break;
 
   case 16:
   }
     break;
 
   case 16:

-#line 205 "parse-gram.y"
-    { add_param ("lex_param", yyvsp[0].chars, yylsp[0]); }
+#line 206 "parse-gram.y"
+    { add_param ("lex_param", (yyvsp[0].chars), (yylsp[0])); }

     break;
 
   case 17:
     break;
 
   case 17:

-#line 206 "parse-gram.y"
+#line 207 "parse-gram.y"

     { locations_flag = true; }
     break;
 
   case 18:
     { locations_flag = true; }
     break;
 
   case 18:

-#line 207 "parse-gram.y"
-    { spec_name_prefix = yyvsp[0].chars; }
+#line 208 "parse-gram.y"
+    { spec_name_prefix = (yyvsp[0].chars); }

     break;
 
   case 19:
     break;
 
   case 19:

-#line 208 "parse-gram.y"
+#line 209 "parse-gram.y"

     { no_lines_flag = true; }
     break;
 
   case 20:
     { no_lines_flag = true; }
     break;
 
   case 20:

-#line 209 "parse-gram.y"
+#line 210 "parse-gram.y"

     { nondeterministic_parser = true; }
     break;
 
   case 21:
     { nondeterministic_parser = true; }
     break;
 
   case 21:

-#line 210 "parse-gram.y"
-    { spec_outfile = yyvsp[0].chars; }
+#line 211 "parse-gram.y"
+    { spec_outfile = (yyvsp[0].chars); }

     break;
 
   case 22:
     break;
 
   case 22:

-#line 211 "parse-gram.y"
-    { add_param ("parse_param", yyvsp[0].chars, yylsp[0]); }
+#line 212 "parse-gram.y"
+    { add_param ("parse_param", (yyvsp[0].chars), (yylsp[0])); }

     break;
 
   case 23:
     break;
 
   case 23:

-#line 212 "parse-gram.y"
+#line 213 "parse-gram.y"

     { pure_parser = true; }
     break;
 
   case 24:
     { pure_parser = true; }
     break;
 
   case 24:

-#line 213 "parse-gram.y"
-    { skeleton = yyvsp[0].chars; }
+#line 214 "parse-gram.y"
+    { skeleton = (yyvsp[0].chars); }

     break;
 
   case 25:
     break;
 
   case 25:

-#line 214 "parse-gram.y"
+#line 215 "parse-gram.y"

     { token_table_flag = true; }
     break;
 
   case 26:
     { token_table_flag = true; }
     break;
 
   case 26:

-#line 215 "parse-gram.y"
+#line 216 "parse-gram.y"

     { report_flag = report_states; }
     break;
 
   case 27:
     { report_flag = report_states; }
     break;
 
   case 27:

-#line 216 "parse-gram.y"
+#line 217 "parse-gram.y"

     { yacc_flag = true; }
     break;
 
   case 31:
     { yacc_flag = true; }
     break;
 
   case 31:

-#line 224 "parse-gram.y"
+#line 225 "parse-gram.y"

     {
     {

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

     }
     break;
 
   case 32:
     }
     break;
 
   case 32:

-#line 228 "parse-gram.y"
+#line 229 "parse-gram.y"

     {
       typed = true;
     {
       typed = true;

-      MUSCLE_INSERT_INT ("stype_line", yylsp[0].start.line);
-      muscle_insert ("stype", yyvsp[0].chars);
+      MUSCLE_INSERT_INT ("stype_line", (yylsp[0]).start.line);
+      muscle_insert ("stype", (yyvsp[0].chars));

     }
     break;
 
   case 33:
     }
     break;
 
   case 33:

-#line 234 "parse-gram.y"
+#line 235 "parse-gram.y"

     {
       symbol_list *list;
     {
       symbol_list *list;

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

     }
     break;
 
   case 34:
     }
     break;
 
   case 34:

-#line 241 "parse-gram.y"
+#line 242 "parse-gram.y"

     {
       symbol_list *list;
     {
       symbol_list *list;

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

     }
     break;
 
   case 35:
     }
     break;
 
   case 35:

-#line 248 "parse-gram.y"
+#line 249 "parse-gram.y"

     {
       default_prec = true;
     }
     break;
 
   case 36:
     {
       default_prec = true;
     }
     break;
 
   case 36:

-#line 252 "parse-gram.y"
+#line 253 "parse-gram.y"

     {
       default_prec = false;
     }
     break;
 
   case 37:
     {
       default_prec = false;
     }
     break;
 
   case 37:

-#line 258 "parse-gram.y"
+#line 259 "parse-gram.y"

     { current_class = nterm_sym; }
     break;
 
   case 38:
     { current_class = nterm_sym; }
     break;
 
   case 38:

-#line 259 "parse-gram.y"
+#line 260 "parse-gram.y"

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


@@ -1459,12 +1517,12 @@ yyreduce:
     break;
 
   case 39:
     break;
 
   case 39:

-#line 263 "parse-gram.y"
+#line 264 "parse-gram.y"

     { current_class = token_sym; }
     break;
 
   case 40:
     { current_class = token_sym; }
     break;
 
   case 40:

-#line 264 "parse-gram.y"
+#line 265 "parse-gram.y"

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


@@ -1472,212 +1530,213 @@ yyreduce:
     break;
 
   case 41:
     break;
 
   case 41:

-#line 269 "parse-gram.y"
+#line 270 "parse-gram.y"

     {
       symbol_list *list;
     {
       symbol_list *list;

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

     }
     break;
 
   case 42:
     }
     break;
 
   case 42:

-#line 279 "parse-gram.y"
+#line 280 "parse-gram.y"

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

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

        {
        {

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

        }
        }

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

       current_type = NULL;
     }
     break;
 
   case 43:
       current_type = NULL;
     }
     break;
 
   case 43:

-#line 293 "parse-gram.y"
-    { yyval.assoc = left_assoc; }
+#line 294 "parse-gram.y"
+    { (yyval.assoc) = left_assoc; }

     break;
 
   case 44:
     break;
 
   case 44:

-#line 294 "parse-gram.y"
-    { yyval.assoc = right_assoc; }
+#line 295 "parse-gram.y"
+    { (yyval.assoc) = right_assoc; }

     break;
 
   case 45:
     break;
 
   case 45:

-#line 295 "parse-gram.y"
-    { yyval.assoc = non_assoc; }
+#line 296 "parse-gram.y"
+    { (yyval.assoc) = non_assoc; }

     break;
 
   case 46:
     break;
 
   case 46:

-#line 299 "parse-gram.y"
+#line 300 "parse-gram.y"

     { current_type = NULL; }
     break;
 
   case 47:
     { current_type = NULL; }
     break;
 
   case 47:

-#line 300 "parse-gram.y"
-    { current_type = yyvsp[0].uniqstr; }
+#line 301 "parse-gram.y"
+    { current_type = (yyvsp[0].uniqstr); }

     break;
 
   case 48:
     break;
 
   case 48:

-#line 306 "parse-gram.y"
-    { yyval.list = symbol_list_new (yyvsp[0].symbol, yylsp[0]); }
+#line 307 "parse-gram.y"
+    { (yyval.list) = symbol_list_new ((yyvsp[0].symbol), (yylsp[0])); }

     break;
 
   case 49:
     break;
 
   case 49:

-#line 307 "parse-gram.y"
-    { yyval.list = symbol_list_prepend (yyvsp[-1].list, yyvsp[0].symbol, yylsp[0]); }
+#line 308 "parse-gram.y"
+    { (yyval.list) = symbol_list_prepend ((yyvsp[-1].list), (yyvsp[0].symbol), (yylsp[0])); }

     break;
 
   case 50:
     break;
 
   case 50:

-#line 313 "parse-gram.y"
+#line 314 "parse-gram.y"

     {
     {

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

      }
     break;
 
   case 51:
      }
     break;
 
   case 51:

-#line 317 "parse-gram.y"
+#line 318 "parse-gram.y"

     {
     {

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

      }
     break;
 
   case 52:
      }
     break;
 
   case 52:

-#line 322 "parse-gram.y"
+#line 323 "parse-gram.y"

     {
     {

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

     }
     break;
 
   case 53:
     }
     break;
 
   case 53:

-#line 328 "parse-gram.y"
+#line 329 "parse-gram.y"

     {
     {

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

     }
     break;
 
   case 54:
     }
     break;
 
   case 54:

-#line 334 "parse-gram.y"
+#line 335 "parse-gram.y"

     {
     {

-      symbol_class_set (yyvsp[-2].symbol, current_class, yylsp[-2]);
-      symbol_type_set (yyvsp[-2].symbol, current_type, yylsp[-2]);
-      symbol_user_token_number_set (yyvsp[-2].symbol, yyvsp[-1].integer, yylsp[-1]);
-      symbol_make_alias (yyvsp[-2].symbol, yyvsp[0].symbol, yyloc);
+      symbol_class_set ((yyvsp[-2].symbol), current_class, (yylsp[-2]));
+      symbol_type_set ((yyvsp[-2].symbol), current_type, (yylsp[-2]));
+      symbol_user_token_number_set ((yyvsp[-2].symbol), (yyvsp[-1].integer), (yylsp[-1]));
+      symbol_make_alias ((yyvsp[-2].symbol), (yyvsp[0].symbol), (yyloc));

     }
     break;
 
   case 60:
     }
     break;
 
   case 60:

-#line 363 "parse-gram.y"
+#line 364 "parse-gram.y"

     {
       if (yacc_flag)
     {
       if (yacc_flag)

-       complain_at (yyloc, _("POSIX forbids declarations in the grammar"));
+       complain_at ((yyloc), _("POSIX forbids declarations in the grammar"));

     }
     break;
 
   case 61:
     }
     break;
 
   case 61:

-#line 368 "parse-gram.y"
+#line 369 "parse-gram.y"

     {
       yyerrok;
     }
     break;
 
   case 62:
     {
       yyerrok;
     }
     break;
 
   case 62:

-#line 374 "parse-gram.y"
-    { current_lhs = yyvsp[0].symbol; current_lhs_location = yylsp[0]; }
+#line 375 "parse-gram.y"
+    { current_lhs = (yyvsp[0].symbol); current_lhs_location = (yylsp[0]); }

     break;
 
   case 64:
     break;
 
   case 64:

-#line 378 "parse-gram.y"
-    { grammar_rule_end (yylsp[0]); }
+#line 379 "parse-gram.y"
+    { grammar_rule_end ((yylsp[0])); }

     break;
 
   case 65:
     break;
 
   case 65:

-#line 379 "parse-gram.y"
-    { grammar_rule_end (yylsp[0]); }
+#line 380 "parse-gram.y"
+    { grammar_rule_end ((yylsp[0])); }

     break;
 
   case 67:
     break;
 
   case 67:

-#line 385 "parse-gram.y"
+#line 386 "parse-gram.y"

     { grammar_rule_begin (current_lhs, current_lhs_location); }
     break;
 
   case 68:
     { grammar_rule_begin (current_lhs, current_lhs_location); }
     break;
 
   case 68:

-#line 387 "parse-gram.y"
-    { grammar_current_rule_symbol_append (yyvsp[0].symbol, yylsp[0]); }
+#line 388 "parse-gram.y"
+    { grammar_current_rule_symbol_append ((yyvsp[0].symbol), (yylsp[0])); }

     break;
 
   case 69:
     break;
 
   case 69:

-#line 389 "parse-gram.y"
-    { grammar_current_rule_action_append (yyvsp[0].chars, yylsp[0]); }
+#line 390 "parse-gram.y"
+    { grammar_current_rule_action_append ((yyvsp[0].chars), (yylsp[0])); }

     break;
 
   case 70:
     break;
 
   case 70:

-#line 391 "parse-gram.y"
-    { grammar_current_rule_prec_set (yyvsp[0].symbol, yylsp[0]); }
+#line 392 "parse-gram.y"
+    { grammar_current_rule_prec_set ((yyvsp[0].symbol), (yylsp[0])); }

     break;
 
   case 71:
     break;
 
   case 71:

-#line 393 "parse-gram.y"
-    { grammar_current_rule_dprec_set (yyvsp[0].integer, yylsp[0]); }
+#line 394 "parse-gram.y"
+    { grammar_current_rule_dprec_set ((yyvsp[0].integer), (yylsp[0])); }

     break;
 
   case 72:
     break;
 
   case 72:

-#line 395 "parse-gram.y"
-    { grammar_current_rule_merge_set (yyvsp[0].uniqstr, yylsp[0]); }
+#line 396 "parse-gram.y"
+    { grammar_current_rule_merge_set ((yyvsp[0].uniqstr), (yylsp[0])); }

     break;
 
   case 73:
     break;
 
   case 73:

-#line 399 "parse-gram.y"
-    { yyval.symbol = yyvsp[0].symbol; }
+#line 400 "parse-gram.y"
+    { (yyval.symbol) = (yyvsp[0].symbol); }

     break;
 
   case 74:
     break;
 
   case 74:

-#line 400 "parse-gram.y"
-    { yyval.symbol = yyvsp[0].symbol; }
+#line 401 "parse-gram.y"
+    { (yyval.symbol) = (yyvsp[0].symbol); }

     break;
 
   case 75:
     break;
 
   case 75:

-#line 405 "parse-gram.y"
-    { yyval.chars = yyvsp[0].chars; }
+#line 406 "parse-gram.y"
+    { (yyval.chars) = (yyvsp[0].chars); }

     break;
 
   case 76:
     break;
 
   case 76:

-#line 411 "parse-gram.y"
+#line 412 "parse-gram.y"

     {
     {

-      yyval.symbol = symbol_get (yyvsp[0].chars, yylsp[0]);
-      symbol_class_set (yyval.symbol, token_sym, yylsp[0]);
+      (yyval.symbol) = symbol_get ((yyvsp[0].chars), (yylsp[0]));
+      symbol_class_set ((yyval.symbol), token_sym, (yylsp[0]));

     }
     break;
 
   case 77:
     }
     break;
 
   case 77:

-#line 420 "parse-gram.y"
+#line 421 "parse-gram.y"

     {
     {

-      yyval.chars = yyvsp[0].chars + 1;
-      yyval.chars[strlen (yyval.chars) - 1] = '\0';
+      (yyval.chars) = (yyvsp[0].chars) + 1;
+      (yyval.chars)[strlen ((yyval.chars)) - 1] = '\0';

     }
     break;
 
   case 79:
     }
     break;
 
   case 79:

-#line 429 "parse-gram.y"
+#line 430 "parse-gram.y"

     {
     {

-      muscle_code_grow ("epilogue", yyvsp[0].chars, yylsp[0]);
+      muscle_code_grow ("epilogue", (yyvsp[0].chars), (yylsp[0]));

       scanner_last_string_free ();
     }
     break;
 
 
       scanner_last_string_free ();
     }
     break;
 
 

+      default: break;

     }
 
     }
 

-/* Line 1010 of yacc.c.  */
-#line 1681 "parse-gram.c"
+/* Line 1039 of yacc.c.  */
+#line 1740 "parse-gram.c"

 \f
   yyvsp -= yylen;
   yyssp -= yylen;
 \f
   yyvsp -= yylen;
   yyssp -= yylen;


@@ -1773,11 +1832,11 @@ yyerrlab:
        yyerror ("syntax error");
     }
 
        yyerror ("syntax error");
     }
 

-  yylerrsp = yylsp;
+  yyerror_range[0] = yylloc;

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

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

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


@@ -1787,23 +1846,22 @@ yyerrlab:
          if (yychar == YYEOF)
             for (;;)
               {
          if (yychar == YYEOF)
             for (;;)
               {

+                 yyerror_range[0] = *yylsp;

                 YYPOPSTACK;
                 if (yyssp == yyss)
                   YYABORT;
                 YYPOPSTACK;
                 if (yyssp == yyss)
                   YYABORT;

-                YYDSYMPRINTF ("Error: popping", yystos[*yyssp], yyvsp, yylsp);
-                yydestruct (yystos[*yyssp], yyvsp, yylsp);
+                yydestruct ("Error: popping",
+                             yystos[*yyssp], yyvsp, yylsp);

               }
         }
       else
        {
               }
         }
       else
        {

-         YYDSYMPRINTF ("Error: discarding", yytoken, &yylval, &yylloc);
-         yydestruct (yytoken, &yylval, &yylloc);
+         yydestruct ("Error: discarding", yytoken, &yylval, &yylloc);

          yychar = YYEMPTY;
          yychar = YYEMPTY;

-         *++yylerrsp = yylloc;

        }
     }
 
        }
     }
 

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

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


@@ -1813,19 +1871,17 @@ yyerrlab:
 `---------------------------------------------------*/
 yyerrorlab:
 
 `---------------------------------------------------*/
 yyerrorlab:
 

-#ifdef __GNUC__
-  /* Pacify GCC when the user code never invokes YYERROR and the label
-     yyerrorlab therefore never appears in user code.  */
+  /* Pacify compilers like GCC when the user code never invokes
+     YYERROR and the label yyerrorlab therefore never appears in user
+     code.  */

   if (0)
      goto yyerrorlab;
   if (0)
      goto yyerrorlab;

-#endif

 
 

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

   yyvsp -= yylen;
   yyssp -= yylen;
   yystate = *yyssp;
   yyvsp -= yylen;
   yyssp -= yylen;
   yystate = *yyssp;

-  yylerrsp = yylsp;
-  *++yylerrsp = yyloc;
-  yylsp -= yylen;

   goto yyerrlab1;
 
 
   goto yyerrlab1;
 
 


@@ -1853,8 +1909,8 @@ yyerrlab1:
       if (yyssp == yyss)
        YYABORT;
 
       if (yyssp == yyss)
        YYABORT;
 

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

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


@@ -1863,12 +1919,17 @@ yyerrlab1:
   if (yyn == YYFINAL)
     YYACCEPT;
 
   if (yyn == YYFINAL)
     YYACCEPT;
 

-  YYDPRINTF ((stderr, "Shifting error token, "));
-

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

-  YYLLOC_DEFAULT (yyloc, yylsp, yylerrsp - yylsp);
+
+  yyerror_range[1] = yylloc;
+  /* Using YYLLOC is tempting, but would change the location of
+     the look-ahead.  YYLOC is available though. */
+  YYLLOC_DEFAULT (yyloc, yyerror_range - 1, 2);

   *++yylsp = yyloc;
 
   *++yylsp = yyloc;
 

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

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


@@ -1884,6 +1945,9 @@ yyacceptlab:
 | yyabortlab -- YYABORT comes here.  |
 `-----------------------------------*/
 yyabortlab:
 | yyabortlab -- YYABORT comes here.  |
 `-----------------------------------*/
 yyabortlab:

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

   yyresult = 1;
   goto yyreturn;
 
   yyresult = 1;
   goto yyreturn;
 


@@ -1906,7 +1970,7 @@ yyreturn:
 }
 
 
 }
 
 

-#line 435 "parse-gram.y"
+#line 436 "parse-gram.y"

 
 
 
 
 
 


@@ -1920,7 +1984,11 @@ lloc_default (YYLTYPE const *rhs, int n)
 {
   int i;
   YYLTYPE loc;
 {
   int i;
   YYLTYPE loc;

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

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


@@ -1942,22 +2010,28 @@ lloc_default (YYLTYPE const *rhs, int n)
 static void
 add_param (char const *type, char *decl, location loc)
 {
 static void
 add_param (char const *type, char *decl, location loc)
 {

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

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

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

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

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

       name_start = p;
 
       name_start = p;
 

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

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


@@ -1967,7 +2041,7 @@ add_param (char const *type, char *decl, location loc)
       size_t name_len;
 
       for (name_len = 1;
       size_t name_len;
 
       for (name_len = 1;

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

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