accept is both an API and a variable.

[Jonathan Ward]

POSIX.1 defines accept as a C API, several of the files are using it as a 
global 
variable.  The resulting behavior on SYSV environments is undefined.  I have 
included changes against the CVS source below.  

Index: reader.c
===================================================================
RCS file: /cvsroot/bison/bison/src/reader.c,v
retrieving revision 1.231
diff -u -r1.231 reader.c
--- reader.c    3 Feb 2003 15:35:56 -0000       1.231
+++ reader.c    15 May 2003 19:38:28 -0000
@@ -472,10 +472,10 @@
   /* Initialize the symbol table.  */
   symbols_new ();
 
-  /* Construct the accept symbol. */
-  accept = symbol_get ("$accept", empty_location);
-  accept->class = nterm_sym;
-  accept->number = nvars++;
+  /* Construct the accept_token symbol. */
+  accept_token = symbol_get ("$accept", empty_location);
+  accept_token->class = nterm_sym;
+  accept_token->number = nvars++;
 
   /* Construct the error token */
   errtoken = symbol_get ("error", empty_location);
@@ -527,7 +527,7 @@
 
      accept: %start EOF.  */
   {
-    symbol_list *p = symbol_list_new (accept, empty_location);
+    symbol_list *p = symbol_list_new (accept_token, empty_location);
     p->location = grammar->location;
     p->next = symbol_list_new (startsymbol, empty_location);
     p->next->next = symbol_list_new (endtoken, empty_location);
Index: reduce.c
===================================================================
RCS file: /cvsroot/bison/bison/src/reduce.c,v
retrieving revision 1.82
diff -u -r1.82 reduce.c
--- reduce.c    3 Feb 2003 15:35:57 -0000       1.82
+++ reduce.c    15 May 2003 19:38:28 -0000
@@ -164,9 +164,9 @@
   Pp = bitset_create (nrules, BITSET_FIXED);
 
   /* If the start symbol isn't useful, then nothing will be useful. */
-  if (bitset_test (N, accept->number - ntokens))
+  if (bitset_test (N, accept_token->number - ntokens))
     {
-      bitset_set (V, accept->number);
+      bitset_set (V, accept_token->number);
 
       while (1)
        {
@@ -328,7 +328,7 @@
            *rhsp =  symbol_number_as_item_number (nontermmap[*rhsp
                                                              - ntokens]);
       }
-    accept->number = nontermmap[accept->number - ntokens];
+    accept_token->number = nontermmap[accept_token->number - ntokens];
   }
 
   nsyms -= nuseless_nonterminals;
@@ -431,7 +431,7 @@
 
   reduce_print ();
 
-  if (!bitset_test (N, accept->number - ntokens))
+  if (!bitset_test (N, accept_token->number - ntokens))
     fatal_at (startsymbol_location,
              _("start symbol %s does not derive any sentence"),
              startsymbol->tag);
Index: symtab.c
===================================================================
RCS file: /cvsroot/bison/bison/src/symtab.c,v
retrieving revision 1.55
diff -u -r1.55 symtab.c
--- symtab.c    29 Dec 2002 04:30:18 -0000      1.55
+++ symtab.c    15 May 2003 19:38:28 -0000
@@ -36,7 +36,7 @@
 symbol *errtoken = NULL;
 symbol *undeftoken = NULL;
 symbol *endtoken = NULL;
-symbol *accept = NULL;
+symbol *accept_token = NULL;
 symbol *startsymbol = NULL;
 location startsymbol_location;
 
Index: symtab.h
===================================================================
RCS file: /cvsroot/bison/bison/src/symtab.h,v
retrieving revision 1.51
diff -u -r1.51 symtab.h
--- symtab.h    13 Dec 2002 08:43:01 -0000      1.51
+++ symtab.h    15 May 2003 19:38:28 -0000
@@ -122,7 +122,7 @@
 extern symbol *errtoken;
 extern symbol *undeftoken;
 extern symbol *endtoken;
-extern symbol *accept;
+extern symbol *accept_token;
 extern symbol *startsymbol;
 extern location startsymbol_location;
 



-- 
Jonathan Ward
Partner Technology Access Center MA
Hewlett-Packard Company
550 King St, LKG2A-X2
Littleton, MA 01460
978.506.5338