* bootstrap (gnulib_modules): Add strverscmp.

[bison.git] / data / glr.c

diff --git a/data/glr.c b/data/glr.c
index 6faa86d3ef65232e4c830a4daa6d4844dadc5a6d..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])
 
-b4_token_defines(b4_tokens)
+b4_token_enums(b4_tokens)
 
 /* Copy the first part of user declarations.  */
 b4_pre_prologue[
@@ -221,7 +221,6 @@ b4_syncline([@oline@], [@ofile@])
 #include <stdlib.h>
 #include <string.h>
 #include <stdarg.h>
-#include <setjmp.h>
 
 #ifndef YY_
 # if YYENABLE_NLS
@@ -255,6 +254,13 @@ b4_syncline([@oline@], [@ofile@])
 #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.  |
 `-----------------*/
@@ -728,7 +734,7 @@ struct yyGLRStack {
   int yyrawchar;
 ])[
   yySymbol* yytokenp;
-  jmp_buf yyexception_buffer;
+  YYJMP_BUF yyexception_buffer;
   yyGLRStackItem* yyitems;
   yyGLRStackItem* yynextFree;
   size_t yyspaceLeft;
@@ -746,7 +752,7 @@ yyFail (yyGLRStack* yystack]b4_pure_formals[, const char* yymsg)
 {
   if (yymsg != NULL)
     yyerror (]b4_yyerror_args[yymsg);
-  longjmp (yystack->yyexception_buffer, 1);
+  YYLONGJMP (yystack->yyexception_buffer, 1);
 }
 
 static void yyMemoryExhausted (yyGLRStack* yystack)
@@ -754,7 +760,7 @@ static void yyMemoryExhausted (yyGLRStack* yystack)
 static void
 yyMemoryExhausted (yyGLRStack* yystack)
 {
-  longjmp (yystack->yyexception_buffer, 2);
+  YYLONGJMP (yystack->yyexception_buffer, 2);
 }
 
 #if YYDEBUG || YYERROR_VERBOSE
@@ -914,12 +920,12 @@ yydestroyGLRState (char const *yymsg, yyGLRState *yys)
       if (yys->yysemantics.yyfirstVal)
         {
           yySemanticOption *yyoption = yys->yysemantics.yyfirstVal;
-          yyGLRState *yyrhs;
+          yyGLRState *yyrh;
           int yyn;
-          for (yyrhs = yyoption->yystate, yyn = yyrhsLength (yyoption->yyrule);
+          for (yyrh = yyoption->yystate, yyn = yyrhsLength (yyoption->yyrule);
                yyn > 0;
-               yyrhs = yyrhs->yypred, yyn -= 1)
-            yydestroyGLRState (yymsg, yyrhs);
+               yyrh = yyrh->yypred, yyn -= 1)
+            yydestroyGLRState (yymsg, yyrh);
         }
     }
 }
@@ -1668,6 +1674,11 @@ yyresolveValue (yySemanticOption* yyoptionList, yyGLRStack* yystack,
              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;
        }
@@ -2024,7 +2035,7 @@ yyrecoverSyntaxError (yyGLRStack* yystack,
 #define YYCHK1(YYE)                                                         \
   do {                                                                      \
     switch (YYE) {                                                          \
-    default:                                                                \
+    case yyok:                                                              \
       break;                                                                \
     case yyabort:                                                           \
       goto yyabortlab;                                                      \
@@ -2032,6 +2043,8 @@ yyrecoverSyntaxError (yyGLRStack* yystack,
       goto yyacceptlab;                                                             \
     case yyerr:                                                                     \
       goto yyuser_error;                                                    \
+    default:                                                                \
+      goto yybuglab;                                                        \
     }                                                                       \
   } while (0)
 
@@ -2079,10 +2092,12 @@ b4_syncline([@oline@], [@ofile@])])dnl
 [
   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;
+    default: goto yybuglab;
     }
   yystack.yytokenp = &yytoken;
   yyglrShift (&yystack, 0, 0, 0, yylval, &yylloc);
@@ -2187,6 +2202,10 @@ b4_syncline([@oline@], [@ofile@])])dnl
   yyresult = 0;
   goto yyreturn;
 
+ yybuglab:
+  YYASSERT (yyfalse);
+  /* Fall through.  */
+
  yyabortlab:
   yyresult = 1;
   goto yyreturn;
@@ -2302,7 +2321,7 @@ m4_if(b4_defines_flag, 0, [],
 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],