Handles several --enable-gcc-warnings.

[bison.git] / data / glr.c

diff --git a/data/glr.c b/data/glr.c
index 5a40a3133b36c84230d099788659fe7759757ecc..f8a32a82293deb3063ee60c18a4352e0ff3c56e8 100644 (file)
--- a/data/glr.c
+++ b/data/glr.c
@@ -1,30 +1,25 @@
                                                                     -*- C -*-
 
 # GLR skeleton for Bison
                                                                     -*- C -*-
 
 # GLR skeleton for Bison

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

 # Inc.
 
 # Inc.
 

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

 # it under the terms of the GNU General Public License as published by
 # it under the terms of the GNU General Public License as published by

-# the Free Software Foundation; either version 2 of the License, or
+# the Free Software Foundation, either version 3 of the License, or

 # (at your option) any later version.
 # (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.
 # 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
 # You should have received a copy of the GNU General Public License

-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
-# 02110-1301  USA
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.

 
 
 m4_include(b4_pkgdatadir/[c.m4])
 
 
 
 m4_include(b4_pkgdatadir/[c.m4])
 

-b4_push_if([
-b4_complain([[non-deterministic push parsers are not yet supported]])])
-

 ## ---------------- ##
 ## Default values.  ##
 ## ---------------- ##
 ## ---------------- ##
 ## Default values.  ##
 ## ---------------- ##


@@ -39,6 +34,13 @@ m4_define_default([b4_stack_depth_init],  [200])
 ## Pure/impure interfaces.  ##
 ## ------------------------ ##
 
 ## Pure/impure interfaces.  ##
 ## ------------------------ ##
 

+b4_define_flag_if([pure])
+# If glr.cc is including this file and thus has already set b4_pure_flag, don't
+# change the value of b4_pure_flag, and don't record a use of api.pure.
+m4_ifndef([b4_pure_flag],
+[b4_percent_define_default([[api.pure]], [[false]])
+ m4_define([b4_pure_flag],
+           [b4_percent_define_flag_if([[api.pure]], [[1]], [[0]])])])

 
 # b4_user_formals
 # ---------------
 
 # b4_user_formals
 # ---------------


@@ -107,7 +109,15 @@ m4_define([b4_pure_formals],
 # --------------------
 # Expansion of $<TYPE>$.
 m4_define([b4_lhs_value],
 # --------------------
 # Expansion of $<TYPE>$.
 m4_define([b4_lhs_value],

-[((*yyvalp)[]m4_ifval([$1], [.$1]))])
+[b4_symbol_value([(*yyvalp)], [$1])])
+
+
+# b4_rhs_data(RULE-LENGTH, NUM)
+# -----------------------------
+# Expand to the semantic stack place that contains value and location
+# of symbol number NUM in a rule of length RULE-LENGTH.
+m4_define([b4_rhs_data],
+[((yyGLRStackItem const *)yyvsp)@{YYFILL (($2) - ($1))@}.yystate])

 
 
 # b4_rhs_value(RULE-LENGTH, NUM, [TYPE])
 
 
 # b4_rhs_value(RULE-LENGTH, NUM, [TYPE])


@@ -115,7 +125,7 @@ m4_define([b4_lhs_value],
 # Expansion of $<TYPE>NUM, where the current rule has RULE-LENGTH
 # symbols on RHS.
 m4_define([b4_rhs_value],
 # Expansion of $<TYPE>NUM, where the current rule has RULE-LENGTH
 # symbols on RHS.
 m4_define([b4_rhs_value],

-[(((yyGLRStackItem const *)yyvsp)@{YYFILL (($2) - ($1))@}.yystate.yysemantics.yysval[]m4_ifval([$3], [.$3]))])
+[b4_symbol_value([b4_rhs_data([$1], [$2]).yysemantics.yysval], [$3])])

 
 
 
 
 
 


@@ -135,7 +145,7 @@ m4_define([b4_lhs_location],
 # Expansion of @NUM, where the current rule has RULE-LENGTH symbols
 # on RHS.
 m4_define([b4_rhs_location],
 # Expansion of @NUM, where the current rule has RULE-LENGTH symbols
 # on RHS.
 m4_define([b4_rhs_location],

-[(((yyGLRStackItem const *)yyvsp)@{YYFILL (($2) - ($1))@}.yystate.yyloc)])
+[(b4_rhs_data([$1], [$2]).yyloc)])

 
 
 
 
 
 


@@ -146,7 +156,7 @@ m4_define([b4_rhs_location],
 # We do want M4 expansion after # for CPP macros.
 m4_changecom()
 m4_divert_push(0)dnl
 # We do want M4 expansion after # for CPP macros.
 m4_changecom()
 m4_divert_push(0)dnl

-@output(b4_parser_file_name@)
+@output(b4_parser_file_name@)@

 b4_copyright([Skeleton implementation for Bison GLR parsers in C],
   [2002, 2003, 2004, 2005, 2006])
 [
 b4_copyright([Skeleton implementation for Bison GLR parsers in C],
   [2002, 2003, 2004, 2005, 2006])
 [


@@ -1442,12 +1452,12 @@ yy_reduce_print (yyGLRStack* yystackp, size_t yyk, yyRuleNum yyrule,
   /* The symbols being reduced.  */
   for (yyi = 0; yyi < yynrhs; yyi++)
     {
   /* The symbols being reduced.  */
   for (yyi = 0; yyi < yynrhs; yyi++)
     {

-      fprintf (stderr, "   $%d = ", yyi + 1);
+      YYFPRINTF (stderr, "   $%d = ", yyi + 1);

       yy_symbol_print (stderr, yyrhs[yyprhs[yyrule] + yyi],
                       &]b4_rhs_value(yynrhs, yyi + 1)[
                       ]b4_locations_if([, &]b4_rhs_location(yynrhs, yyi + 1))[]dnl
                       b4_user_args[);
       yy_symbol_print (stderr, yyrhs[yyprhs[yyrule] + yyi],
                       &]b4_rhs_value(yynrhs, yyi + 1)[
                       ]b4_locations_if([, &]b4_rhs_location(yynrhs, yyi + 1))[]dnl
                       b4_user_args[);

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

     }
 }
 #endif
     }
 }
 #endif


@@ -2554,7 +2564,7 @@ m4_popdef([b4_at_dollar])])dnl
 }
 
 /* DEBUGGING ONLY */
 }
 
 /* DEBUGGING ONLY */

-#ifdef YYDEBUG
+#if YYDEBUG

 static void yypstack (yyGLRStack* yystackp, size_t yyk)
   __attribute__ ((__unused__));
 static void yypdumpstack (yyGLRStack* yystackp) __attribute__ ((__unused__));
 static void yypstack (yyGLRStack* yystackp, size_t yyk)
   __attribute__ ((__unused__));
 static void yypdumpstack (yyGLRStack* yystackp) __attribute__ ((__unused__));


@@ -2565,19 +2575,20 @@ yy_yypstack (yyGLRState* yys)
   if (yys->yypred)
     {
       yy_yypstack (yys->yypred);
   if (yys->yypred)
     {
       yy_yypstack (yys->yypred);

-      fprintf (stderr, " -> ");
+      YYFPRINTF (stderr, " -> ");

     }
     }

-  fprintf (stderr, "%d@@%lu", yys->yylrState, (unsigned long int) yys->yyposn);
+  YYFPRINTF (stderr, "%d@@%lu", yys->yylrState,
+             (unsigned long int) yys->yyposn);

 }
 
 static void
 yypstates (yyGLRState* yyst)
 {
   if (yyst == NULL)
 }
 
 static void
 yypstates (yyGLRState* yyst)
 {
   if (yyst == NULL)

-    fprintf (stderr, "<null>");
+    YYFPRINTF (stderr, "<null>");

   else
     yy_yypstack (yyst);
   else
     yy_yypstack (yyst);

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

 }
 
 static void
 }
 
 static void


@@ -2597,31 +2608,33 @@ yypdumpstack (yyGLRStack* yystackp)
   size_t yyi;
   for (yyp = yystackp->yyitems; yyp < yystackp->yynextFree; yyp += 1)
     {
   size_t yyi;
   for (yyp = yystackp->yyitems; yyp < yystackp->yynextFree; yyp += 1)
     {

-      fprintf (stderr, "%3lu. ", (unsigned long int) (yyp - yystackp->yyitems));
+      YYFPRINTF (stderr, "%3lu. ",
+                 (unsigned long int) (yyp - yystackp->yyitems));

       if (*(yybool *) yyp)
        {
       if (*(yybool *) yyp)
        {

-         fprintf (stderr, "Res: %d, LR State: %d, posn: %lu, pred: %ld",
-                  yyp->yystate.yyresolved, yyp->yystate.yylrState,
-                  (unsigned long int) yyp->yystate.yyposn,
-                  (long int) YYINDEX (yyp->yystate.yypred));
+         YYFPRINTF (stderr, "Res: %d, LR State: %d, posn: %lu, pred: %ld",
+                    yyp->yystate.yyresolved, yyp->yystate.yylrState,
+                    (unsigned long int) yyp->yystate.yyposn,
+                    (long int) YYINDEX (yyp->yystate.yypred));

          if (! yyp->yystate.yyresolved)
          if (! yyp->yystate.yyresolved)

-           fprintf (stderr, ", firstVal: %ld",
-                    (long int) YYINDEX (yyp->yystate.yysemantics.yyfirstVal));
+           YYFPRINTF (stderr, ", firstVal: %ld",
+                      (long int) YYINDEX (yyp->yystate
+                                             .yysemantics.yyfirstVal));

        }
       else
        {
        }
       else
        {

-         fprintf (stderr, "Option. rule: %d, state: %ld, next: %ld",
-                  yyp->yyoption.yyrule - 1,
-                  (long int) YYINDEX (yyp->yyoption.yystate),
-                  (long int) YYINDEX (yyp->yyoption.yynext));
+         YYFPRINTF (stderr, "Option. rule: %d, state: %ld, next: %ld",
+                    yyp->yyoption.yyrule - 1,
+                    (long int) YYINDEX (yyp->yyoption.yystate),
+                    (long int) YYINDEX (yyp->yyoption.yynext));

        }
        }

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

     }
     }

-  fprintf (stderr, "Tops:");
+  YYFPRINTF (stderr, "Tops:");

   for (yyi = 0; yyi < yystackp->yytops.yysize; yyi += 1)
   for (yyi = 0; yyi < yystackp->yytops.yysize; yyi += 1)

-    fprintf (stderr, "%lu: %ld; ", (unsigned long int) yyi,
-            (long int) YYINDEX (yystackp->yytops.yystates[yyi]));
-  fprintf (stderr, "\n");
+    YYFPRINTF (stderr, "%lu: %ld; ", (unsigned long int) yyi,
+              (long int) YYINDEX (yystackp->yytops.yystates[yyi]));
+  YYFPRINTF (stderr, "\n");

 }
 #endif
 ]
 }
 #endif
 ]


@@ -2632,13 +2645,14 @@ dnl glr.cc produces its own header.
 dnl
 m4_if(b4_skeleton, ["glr.c"],
 [b4_defines_if(
 dnl
 m4_if(b4_skeleton, ["glr.c"],
 [b4_defines_if(

-[@output(b4_spec_defines_file@)
+[@output(b4_spec_defines_file@)@

 b4_copyright([Skeleton interface for Bison GLR parsers in C],
   [2002, 2003, 2004, 2005, 2006])
 
 b4_shared_declarations
 
 b4_copyright([Skeleton interface for Bison GLR parsers in C],
   [2002, 2003, 2004, 2005, 2006])
 
 b4_shared_declarations
 

-extern YYSTYPE b4_prefix[]lval;
+b4_pure_if([],
+[[extern YYSTYPE b4_prefix][lval;]])

 
 b4_locations_if([b4_pure_if([],
 [extern YYLTYPE b4_prefix[]lloc;])
 
 b4_locations_if([b4_pure_if([],
 [extern YYLTYPE b4_prefix[]lloc;])