output: do not generate source files when early errors are caught

[bison.git] / src / print.c

diff --git a/src/print.c b/src/print.c
index 2eecae4c00f672f8bd0294682744f93a66909aa9..53779defa266200ce977828597420e4736c13343 100644 (file)
--- a/src/print.c
+++ b/src/print.c
@@ -1,6 +1,6 @@
 /* Print information on generated parser, for bison,
 
-   Copyright (C) 1984, 1986, 1989, 2000-2005, 2007, 2009-2012 Free
+   Copyright (C) 1984, 1986, 1989, 2000-2005, 2007, 2009-2013 Free
    Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
@@ -106,8 +106,11 @@ print_core (FILE *out, state *s)
       for (sp = rules[r].rhs; sp < sp1; sp++)
         fprintf (out, " %s", symbols[*sp]->tag);
       fputs (" .", out);
-      for (/* Nothing */; *sp >= 0; ++sp)
-        fprintf (out, " %s", symbols[*sp]->tag);
+      if (0 <= *rules[r].rhs)
+        for (/* Nothing */; 0 <= *sp; ++sp)
+          fprintf (out, " %s", symbols[*sp]->tag);
+      else
+        fprintf (out, " %%empty");
 
       /* Display the lookahead tokens?  */
       if (report_flag & report_lookahead_tokens
@@ -206,7 +209,7 @@ print_errs (FILE *out, state *s)
 
 
 /*-------------------------------------------------------------------------.
-| Report a reduction of RULE on LOOKAHEAD_TOKEN (which can be `default').  |
+| Report a reduction of RULE on LOOKAHEAD_TOKEN (which can be 'default').  |
 | If not ENABLED, the rule is masked by a shift or a reduce (S/R and       |
 | R/R conflicts).                                                          |
 `-------------------------------------------------------------------------*/
@@ -514,7 +517,7 @@ print_results (void)
   print_grammar (out);
 
   /* If the whole state item sets, not only the kernels, are wanted,
-     `closure' will be run, which needs memory allocation/deallocation.   */
+     'closure' will be run, which needs memory allocation/deallocation.   */
   if (report_flag & report_itemsets)
     new_closure (nritems);
   /* Storage for print_reductions.  */