* data/glr.c: Use b4_token_enums, not b4_token_enums_defines.

[bison.git] / data / glr.c

diff --git a/data/glr.c b/data/glr.c
index 3ce4703d5e56f68306ae1d985f3567441b7faf61..0f466131a11595722fc948bca665821be20947da 100644 (file)
--- a/data/glr.c
+++ b/data/glr.c
@@ -154,7 +154,7 @@ m4_if(b4_prefix[], [yy], [],
 #define yynerrs b4_prefix[]nerrs
 #define yylloc b4_prefix[]lloc])
 
 #define yynerrs b4_prefix[]nerrs
 #define yylloc b4_prefix[]lloc])
 

-b4_token_defines(b4_tokens)
+b4_token_enums(b4_tokens)

 
 /* Copy the first part of user declarations.  */
 b4_pre_prologue[
 
 /* Copy the first part of user declarations.  */
 b4_pre_prologue[


@@ -179,7 +179,7 @@ b4_pre_prologue[
 
 #if ! defined (YYSTYPE) && ! defined (YYSTYPE_IS_DECLARED)
 ]m4_ifdef([b4_stype],
 
 #if ! defined (YYSTYPE) && ! defined (YYSTYPE_IS_DECLARED)
 ]m4_ifdef([b4_stype],

-[b4_syncline([b4_stype_line], [b4_filename])
+[b4_syncline([b4_stype_line], [b4_file_name])

 typedef union m4_bregexp(b4_stype, [^{], [YYSTYPE ])b4_stype YYSTYPE;
 /* Line __line__ of glr.c.  */
 b4_syncline([@oline@], [@ofile@])],
 typedef union m4_bregexp(b4_stype, [^{], [YYSTYPE ])b4_stype YYSTYPE;
 /* Line __line__ of glr.c.  */
 b4_syncline([@oline@], [@ofile@])],


@@ -221,7 +221,6 @@ b4_syncline([@oline@], [@ofile@])
 #include <stdlib.h>
 #include <string.h>
 #include <stdarg.h>
 #include <stdlib.h>
 #include <string.h>
 #include <stdarg.h>

-#include <setjmp.h>

 
 #ifndef YY_
 # if YYENABLE_NLS
 
 #ifndef YY_
 # if YYENABLE_NLS


@@ -255,25 +254,32 @@ b4_syncline([@oline@], [@ofile@])
 #define yytrue 1
 #define yyfalse 0
 
 #define yytrue 1
 #define yyfalse 0
 

+#ifndef YYSETJMP
+# include <setjmp.h>
+# define YYJMP_BUF jmp_buf
+# define YYSETJMP(env) setjmp (env)
+# define YYLONGJMP(env, val) longjmp (env, val)
+#endif
+

 /*-----------------.
 | GCC extensions.  |
 `-----------------*/
 
 #ifndef __attribute__
 /* This feature is available in gcc versions 2.5 and later.  */
 /*-----------------.
 | GCC extensions.  |
 `-----------------*/
 
 #ifndef __attribute__
 /* This feature is available in gcc versions 2.5 and later.  */

-# if !defined (__GNUC__) || __GNUC__ < 2 || \
-(__GNUC__ == 2 && __GNUC_MINOR__ < 5) || __STRICT_ANSI__
+# if (!defined (__GNUC__) || __GNUC__ < 2 \
+      || (__GNUC__ == 2 && __GNUC_MINOR__ < 5) || __STRICT_ANSI__)

 #  define __attribute__(Spec) /* empty */
 #  define __attribute__(Spec) /* empty */

-# else
-]b4_location_if([#  define YYOPTIONAL_LOC(Name) Name],[
-#  if defined (__cplusplus)
-#   define YYOPTIONAL_LOC(Name) /* empty */
-#  else
-#   define YYOPTIONAL_LOC(Name) Name __attribute__ ((__unused__))
-#  endif])[

 # endif
 #endif
 
 # endif
 #endif
 

+]b4_location_if([#define YYOPTIONAL_LOC(Name) Name],[
+#ifdef __cplusplus
+# define YYOPTIONAL_LOC(Name) /* empty */
+#else
+# define YYOPTIONAL_LOC(Name) Name __attribute__ ((__unused__))
+#endif])[
+

 #ifndef YYASSERT
 # define YYASSERT(condition) ((void) ((condition) || (abort (), 0)))
 #endif
 #ifndef YYASSERT
 # define YYASSERT(condition) ((void) ((condition) || (abort (), 0)))
 #endif


@@ -532,6 +538,7 @@ do {                                                                \
       YYFPRINTF (stderr, "%s ", Title);                                \
       yysymprint (stderr,                                      \
                   Type, Value]b4_location_if([, Location])[);  \
       YYFPRINTF (stderr, "%s ", Title);                                \
       yysymprint (stderr,                                      \
                   Type, Value]b4_location_if([, Location])[);  \

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

     }                                                          \
 } while (0)
 
     }                                                          \
 } while (0)
 


@@ -727,7 +734,7 @@ struct yyGLRStack {
   int yyrawchar;
 ])[
   yySymbol* yytokenp;
   int yyrawchar;
 ])[
   yySymbol* yytokenp;

-  jmp_buf yyexception_buffer;
+  YYJMP_BUF yyexception_buffer;

   yyGLRStackItem* yyitems;
   yyGLRStackItem* yynextFree;
   size_t yyspaceLeft;
   yyGLRStackItem* yyitems;
   yyGLRStackItem* yynextFree;
   size_t yyspaceLeft;


@@ -745,7 +752,7 @@ yyFail (yyGLRStack* yystack]b4_pure_formals[, const char* yymsg)
 {
   if (yymsg != NULL)
     yyerror (]b4_yyerror_args[yymsg);
 {
   if (yymsg != NULL)
     yyerror (]b4_yyerror_args[yymsg);

-  longjmp (yystack->yyexception_buffer, 1);
+  YYLONGJMP (yystack->yyexception_buffer, 1);

 }
 
 static void yyMemoryExhausted (yyGLRStack* yystack)
 }
 
 static void yyMemoryExhausted (yyGLRStack* yystack)


@@ -753,7 +760,7 @@ static void yyMemoryExhausted (yyGLRStack* yystack)
 static void
 yyMemoryExhausted (yyGLRStack* yystack)
 {
 static void
 yyMemoryExhausted (yyGLRStack* yystack)
 {

-  longjmp (yystack->yyexception_buffer, 2);
+  YYLONGJMP (yystack->yyexception_buffer, 2);

 }
 
 #if YYDEBUG || YYERROR_VERBOSE
 }
 
 #if YYDEBUG || YYERROR_VERBOSE


@@ -885,13 +892,44 @@ yyuserMerge (int yyn, YYSTYPE* yy0, YYSTYPE* yy1)
 
 ]b4_yydestruct_generate([b4_c_ansi_function_def])[
 
 
 ]b4_yydestruct_generate([b4_c_ansi_function_def])[
 

-/** Number of symbols composing the right hand side of rule #RULE. */
+/** Number of symbols composing the right hand side of rule #RULE.  */

 static inline int
 yyrhsLength (yyRuleNum yyrule)
 {
   return yyr2[yyrule];
 }
 
 static inline int
 yyrhsLength (yyRuleNum yyrule)
 {
   return yyr2[yyrule];
 }
 

+static void
+yydestroyGLRState (char const *yymsg, yyGLRState *yys)
+{
+  if (yys->yyresolved)
+    yydestruct (yymsg, yystos[yys->yylrState],
+               &yys->yysemantics.yysval]b4_location_if([, &yys->yyloc])[);
+  else
+    {
+#if YYDEBUG
+      if (yydebug)
+       {
+         YYFPRINTF (stderr, "%s unresolved ", yymsg);
+         yysymprint (stderr, yystos[yys->yylrState],
+                     &yys->yysemantics.yysval]b4_location_if([, &yys->yyloc])[);
+         YYFPRINTF (stderr, "\n");
+       }
+#endif
+
+      if (yys->yysemantics.yyfirstVal)
+        {
+          yySemanticOption *yyoption = yys->yysemantics.yyfirstVal;
+          yyGLRState *yyrh;
+          int yyn;
+          for (yyrh = yyoption->yystate, yyn = yyrhsLength (yyoption->yyrule);
+               yyn > 0;
+               yyrh = yyrh->yypred, yyn -= 1)
+            yydestroyGLRState (yymsg, yyrh);
+        }
+    }
+}
+

 /** Left-hand-side symbol for rule #RULE. */
 static inline yySymbol
 yylhsNonterm (yyRuleNum yyrule)
 /** Left-hand-side symbol for rule #RULE. */
 static inline yySymbol
 yylhsNonterm (yyRuleNum yyrule)


@@ -1606,35 +1644,49 @@ yyresolveValue (yySemanticOption* yyoptionList, yyGLRStack* yystack,
                YYSTYPE* yyvalp, YYLTYPE* yylocp]b4_user_formals[)
 {
   yySemanticOption* yybest;
                YYSTYPE* yyvalp, YYLTYPE* yylocp]b4_user_formals[)
 {
   yySemanticOption* yybest;

-  yySemanticOption* yyp;
+  yySemanticOption** yypp;

   yybool yymerge;
 
   yybest = yyoptionList;
   yymerge = yyfalse;
   yybool yymerge;
 
   yybest = yyoptionList;
   yymerge = yyfalse;

-  for (yyp = yyoptionList->yynext; yyp != NULL; yyp = yyp->yynext)
+  for (yypp = &yyoptionList->yynext; *yypp != NULL; )

     {
     {

+      yySemanticOption* yyp = *yypp;
+

       if (yyidenticalOptions (yybest, yyp))
       if (yyidenticalOptions (yybest, yyp))

-       yymergeOptionSets (yybest, yyp);
+       {
+         yymergeOptionSets (yybest, yyp);
+         *yypp = yyp->yynext;
+       }

       else
       else

-       switch (yypreference (yybest, yyp))
-         {
-         case 0:
-           yyreportAmbiguity (yybest, yyp, yystack]b4_pure_args[);
-           break;
-         case 1:
-           yymerge = yytrue;
-           break;
-         case 2:
-           break;
-         case 3:
-           yybest = yyp;
-           yymerge = yyfalse;
-           break;
-         }
+       {
+         switch (yypreference (yybest, yyp))
+           {
+           case 0:
+             yyreportAmbiguity (yybest, yyp, yystack]b4_pure_args[);
+             break;
+           case 1:
+             yymerge = yytrue;
+             break;
+           case 2:
+             break;
+           case 3:
+             yybest = yyp;
+             yymerge = yyfalse;
+             break;
+           default:
+             /* This cannot happen so it is not worth a YYASSERT (yyfalse),
+                but some compilers complain if the default case is
+                omitted.  */
+             break;
+           }
+         yypp = &yyp->yynext;
+       }

     }
 
   if (yymerge)
     {
     }
 
   if (yymerge)
     {

+      yySemanticOption* yyp;

       int yyprec = yydprec[yybest->yyrule];
       YYCHK (yyresolveAction (yybest, yystack, yyvalp, yylocp]b4_user_args[));
       for (yyp = yybest->yynext; yyp != NULL; yyp = yyp->yynext)
       int yyprec = yydprec[yybest->yyrule];
       YYCHK (yyresolveAction (yybest, yystack, yyvalp, yylocp]b4_user_args[));
       for (yyp = yybest->yynext; yyp != NULL; yyp = yyp->yynext)


@@ -1739,7 +1791,6 @@ yyprocessOneStack (yyGLRStack* yystack, size_t yyk,
              yychar = YYLEX;
              *yytokenp = YYTRANSLATE (yychar);
              YY_SYMBOL_PRINT ("Next token is", *yytokenp, yylvalp, yyllocp);
              yychar = YYLEX;
              *yytokenp = YYTRANSLATE (yychar);
              YY_SYMBOL_PRINT ("Next token is", *yytokenp, yylvalp, yyllocp);

-             YYDPRINTF ((stderr, "\n"));

            }
          yygetLRActions (yystate, *yytokenp, &yyaction, &yyconflicts);
 
            }
          yygetLRActions (yystate, *yytokenp, &yyaction, &yyconflicts);
 


@@ -1762,7 +1813,8 @@ yyprocessOneStack (yyGLRStack* yystack, size_t yyk,
              YY_SYMBOL_PRINT ("shifting", *yytokenp, yylvalp, yyllocp);
              yyglrShift (yystack, yyk, yyaction, yyposn+1,
                          *yylvalp, yyllocp);
              YY_SYMBOL_PRINT ("shifting", *yytokenp, yylvalp, yyllocp);
              yyglrShift (yystack, yyk, yyaction, yyposn+1,
                          *yylvalp, yyllocp);

-             YYDPRINTF ((stderr, ", now in state #%d\n",
+             YYDPRINTF ((stderr, "Stack %lu now in state #%d\n",
+                         (unsigned long int) yyk,

                          yystack->yytops.yystates[yyk]->yylrState));
              break;
            }
                          yystack->yytops.yystates[yyk]->yylrState));
              break;
            }


@@ -1922,7 +1974,6 @@ yyrecoverSyntaxError (yyGLRStack* yystack,
        yychar = YYLEX;
        *yytokenp = YYTRANSLATE (yychar);
        YY_SYMBOL_PRINT ("Next token is", *yytokenp, yylvalp, yyllocp);
        yychar = YYLEX;
        *yytokenp = YYTRANSLATE (yychar);
        YY_SYMBOL_PRINT ("Next token is", *yytokenp, yylvalp, yyllocp);

-       YYDPRINTF ((stderr, "\n"));

        yyj = yypact[yystack->yytops.yystates[0]->yylrState];
        if (yyis_pact_ninf (yyj))
          return;
        yyj = yypact[yystack->yytops.yystates[0]->yylrState];
        if (yyis_pact_ninf (yyj))
          return;


@@ -1965,7 +2016,6 @@ yyrecoverSyntaxError (yyGLRStack* yystack,
              YYLLOC_DEFAULT (yyerrloc, yystack->yyerror_range, 2);]])[
              YY_SYMBOL_PRINT ("Shifting", yystos[yytable[yyj]],
                               yylvalp, &yyerrloc);
              YYLLOC_DEFAULT (yyerrloc, yystack->yyerror_range, 2);]])[
              YY_SYMBOL_PRINT ("Shifting", yystos[yytable[yyj]],
                               yylvalp, &yyerrloc);

-             YYDPRINTF ((stderr, "\n"));

              yyglrShift (yystack, 0, yytable[yyj],
                          yys->yyposn, *yylvalp, &yyerrloc);
              yys = yystack->yytops.yystates[0];
              yyglrShift (yystack, 0, yytable[yyj],
                          yys->yyposn, *yylvalp, &yyerrloc);
              yys = yystack->yytops.yystates[0];


@@ -1973,9 +2023,7 @@ yyrecoverSyntaxError (yyGLRStack* yystack,
            }
        }
 ]b4_location_if([[      yystack->yyerror_range[1].yystate.yyloc = yys->yyloc;]])[
            }
        }
 ]b4_location_if([[      yystack->yyerror_range[1].yystate.yyloc = yys->yyloc;]])[

-      yydestruct ("Error: popping",
-                 yystos[yys->yylrState],
-                 &yys->yysemantics.yysval]b4_location_if([, &yys->yyloc])[);
+      yydestroyGLRState ("Error: popping", yys);

       yystack->yytops.yystates[0] = yys->yypred;
       yystack->yynextFree -= 1;
       yystack->yyspaceLeft += 1;
       yystack->yytops.yystates[0] = yys->yypred;
       yystack->yynextFree -= 1;
       yystack->yyspaceLeft += 1;


@@ -1987,7 +2035,7 @@ yyrecoverSyntaxError (yyGLRStack* yystack,
 #define YYCHK1(YYE)                                                         \
   do {                                                                      \
     switch (YYE) {                                                          \
 #define YYCHK1(YYE)                                                         \
   do {                                                                      \
     switch (YYE) {                                                          \

-    default:                                                                \
+    case yyok:                                                              \

       break;                                                                \
     case yyabort:                                                           \
       goto yyabortlab;                                                      \
       break;                                                                \
     case yyabort:                                                           \
       goto yyabortlab;                                                      \


@@ -1995,6 +2043,8 @@ yyrecoverSyntaxError (yyGLRStack* yystack,
       goto yyacceptlab;                                                             \
     case yyerr:                                                                     \
       goto yyuser_error;                                                    \
       goto yyacceptlab;                                                             \
     case yyerr:                                                                     \
       goto yyuser_error;                                                    \

+    default:                                                                \
+      goto yybuglab;                                                        \

     }                                                                       \
   } while (0)
 
     }                                                                       \
   } while (0)
 


@@ -2042,10 +2092,12 @@ b4_syncline([@oline@], [@ofile@])])dnl
 [
   if (! yyinitGLRStack (&yystack, YYINITDEPTH))
     goto yyexhaustedlab;
 [
   if (! yyinitGLRStack (&yystack, YYINITDEPTH))
     goto yyexhaustedlab;

-  switch (setjmp (yystack.yyexception_buffer))
+  switch (YYSETJMP (yystack.yyexception_buffer))

     {
     {

+    case 0: break;

     case 1: goto yyabortlab;
     case 2: goto yyexhaustedlab;
     case 1: goto yyabortlab;
     case 2: goto yyexhaustedlab;

+    default: goto yybuglab;

     }
   yystack.yytokenp = &yytoken;
   yyglrShift (&yystack, 0, 0, 0, yylval, &yylloc);
     }
   yystack.yytokenp = &yytoken;
   yyglrShift (&yystack, 0, 0, 0, yylval, &yylloc);


@@ -2086,7 +2138,6 @@ b4_syncline([@oline@], [@ofile@])])dnl
                  yychar = YYLEX;
                  yytoken = YYTRANSLATE (yychar);
                   YY_SYMBOL_PRINT ("Next token is", yytoken, yylvalp, yyllocp);
                  yychar = YYLEX;
                  yytoken = YYTRANSLATE (yychar);
                   YY_SYMBOL_PRINT ("Next token is", yytoken, yylvalp, yyllocp);

-                  YYDPRINTF ((stderr, "\n"));

                }
              yygetLRActions (yystate, yytoken, &yyaction, &yyconflicts);
              if (*yyconflicts != 0)
                }
              yygetLRActions (yystate, yytoken, &yyaction, &yyconflicts);
              if (*yyconflicts != 0)


@@ -2094,7 +2145,6 @@ b4_syncline([@oline@], [@ofile@])])dnl
              if (yyisShiftAction (yyaction))
                {
                  YY_SYMBOL_PRINT ("Shifting", yytoken, yylvalp, yyllocp);
              if (yyisShiftAction (yyaction))
                {
                  YY_SYMBOL_PRINT ("Shifting", yytoken, yylvalp, yyllocp);

-                 YYDPRINTF ((stderr, "\n"));

                  if (yytoken != YYEOF)
                    yytoken = YYEMPTY;
                  yyposn += 1;
                  if (yytoken != YYEOF)
                    yytoken = YYEMPTY;
                  yyposn += 1;


@@ -2152,6 +2202,10 @@ b4_syncline([@oline@], [@ofile@])])dnl
   yyresult = 0;
   goto yyreturn;
 
   yyresult = 0;
   goto yyreturn;
 

+ yybuglab:
+  YYASSERT (yyfalse);
+  /* Fall through.  */
+

  yyabortlab:
   yyresult = 1;
   goto yyreturn;
  yyabortlab:
   yyresult = 1;
   goto yyreturn;


@@ -2163,7 +2217,7 @@ b4_syncline([@oline@], [@ofile@])])dnl
 
  yyreturn:
   if (yytoken != YYEOF && yytoken != YYEMPTY)
 
  yyreturn:
   if (yytoken != YYEOF && yytoken != YYEMPTY)

-    yydestruct ("Error: discarding lookahead",
+    yydestruct ("Cleanup: discarding lookahead",

                 yytoken, yylvalp]b4_location_if([, yyllocp])[);
 
   /* If the stack is well-formed, pop the stack until it is empty,
                 yytoken, yylvalp]b4_location_if([, yyllocp])[);
 
   /* If the stack is well-formed, pop the stack until it is empty,


@@ -2177,9 +2231,7 @@ b4_syncline([@oline@], [@ofile@])])dnl
          {
            yyGLRState *yys = yystates[0];
 ]b4_location_if([[       yystack.yyerror_range[1].yystate.yyloc = yys->yyloc;]]
          {
            yyGLRState *yys = yystates[0];
 ]b4_location_if([[       yystack.yyerror_range[1].yystate.yyloc = yys->yyloc;]]

-)[         yydestruct ("Error: popping",
-                       yystos[yys->yylrState],
-                       &yys->yysemantics.yysval]b4_location_if([, &yys->yyloc])[);
+)[         yydestroyGLRState ("Cleanup: popping", yys);

            yystates[0] = yys->yypred;
            yystack.yynextFree -= 1;
            yystack.yyspaceLeft += 1;
            yystates[0] = yys->yypred;
            yystack.yynextFree -= 1;
            yystack.yyspaceLeft += 1;


@@ -2269,11 +2321,11 @@ m4_if(b4_defines_flag, 0, [],
 b4_copyright([Skeleton parser for GLR parsing with Bison],
   [2002, 2003, 2004, 2005])
 
 b4_copyright([Skeleton parser for GLR parsing with Bison],
   [2002, 2003, 2004, 2005])
 

-b4_token_defines(b4_tokens)
+b4_token_enums(b4_tokens)

 
 #if ! defined (YYSTYPE) && ! defined (YYSTYPE_IS_DECLARED)
 m4_ifdef([b4_stype],
 
 #if ! defined (YYSTYPE) && ! defined (YYSTYPE_IS_DECLARED)
 m4_ifdef([b4_stype],

-[b4_syncline([b4_stype_line], [b4_filename])
+[b4_syncline([b4_stype_line], [b4_file_name])

 typedef union m4_bregexp(b4_stype, [^{], [YYSTYPE ])b4_stype YYSTYPE;
 /* Line __line__ of glr.c.  */
 b4_syncline([@oline@], [@ofile@])],
 typedef union m4_bregexp(b4_stype, [^{], [YYSTYPE ])b4_stype YYSTYPE;
 /* Line __line__ of glr.c.  */
 b4_syncline([@oline@], [@ofile@])],