X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/4bc30f78dc54b245896dd04724019b9b767a7b33..d2d1b42b0730316f4f70eb416dcc767ffaaa2019:/src/print.c?ds=sidebyside

diff --git a/src/print.c b/src/print.c
index 2c2b8420..977be596 100644
--- a/src/print.c
+++ b/src/print.c
@@ -87,16 +87,10 @@ print_actions (FILE *out, int state)
 {
   int i;
   int k;
-  int state1;
-  int symbol;
-  shifts *shiftp;
-  errs *errp;
-  reductions *redp;
-  int rule;
 
-  shiftp = state_table[state].shift_table;
-  redp = state_table[state].reduction_table;
-  errp = err_table[state];
+  shifts   *shiftp = state_table[state].shift_table;
+  reductions *redp = state_table[state].reduction_table;
+  errs       *errp = err_table[state];
 
   if (!shiftp && !redp)
     {
@@ -113,9 +107,10 @@ print_actions (FILE *out, int state)
 
       for (i = 0; i < k; i++)
 	{
-	  if (!shiftp->shifts[i])
+	  int symbol;
+	  int state1 = shiftp->shifts[i];
+	  if (!state1)
 	    continue;
-	  state1 = shiftp->shifts[i];
 	  symbol = state_table[state1].accessing_symbol;
 	  /* The following line used to be turned off.  */
 	  if (ISVAR (symbol))
@@ -140,15 +135,12 @@ print_actions (FILE *out, int state)
 
   if (errp)
     {
-      int j, nerrs;
-
-      nerrs = errp->nerrs;
-
-      for (j = 0; j < nerrs; j++)
+      int j;
+      for (j = 0; j < errp->nerrs; j++)
 	{
-	  if (!errp->errs[j])
+	  int symbol = errp->errs[j];
+	  if (!symbol)
 	    continue;
-	  symbol = errp->errs[j];
 	  fprintf (out, _("    %-4s\terror (nonassociative)\n"),
 		   tags[symbol]);
 	}
@@ -159,8 +151,8 @@ print_actions (FILE *out, int state)
 
   if (state_table[state].consistent && redp)
     {
-      rule = redp->rules[0];
-      symbol = rule_table[rule].lhs;
+      int rule = redp->rules[0];
+      int symbol = rule_table[rule].lhs;
       fprintf (out, _("    $default\treduce using rule %d (%s)\n\n"),
 	       rule, tags[symbol]);
     }
@@ -173,9 +165,10 @@ print_actions (FILE *out, int state)
     {
       for (; i < k; i++)
 	{
-	  if (!shiftp->shifts[i])
+	  int symbol;
+	  int state1 = shiftp->shifts[i];
+	  if (!state1)
 	    continue;
-	  state1 = shiftp->shifts[i];
 	  symbol = state_table[state1].accessing_symbol;
 	  fprintf (out, _("    %-4s\tgo to state %d\n"),
 		   tags[symbol], state1);
@@ -188,11 +181,11 @@ print_actions (FILE *out, int state)
 static void
 print_state (FILE *out, int state)
 {
-  fputs ("\n\n", out);
   fprintf (out, _("state %d"), state);
   fputs ("\n\n", out);
   print_core (out, state);
   print_actions (out, state);
+  fputs ("\n\n", out);
 }
 
 /*-----------------------------------------.
@@ -219,23 +212,27 @@ print_grammar (FILE *out)
   int column = 0;
 
   /* rule # : LHS -> RHS */
-  fprintf (out, "\n%s\n\n", _("Grammar"));
+  fprintf (out, "%s\n\n", _("Grammar"));
+  fprintf (out, "  %s\n", _("Number, Line, Rule"));
   for (i = 1; i <= nrules; i++)
     /* Don't print rules disabled in reduce_grammar_tables.  */
     if (rule_table[i].lhs >= 0)
       {
-	fprintf (out, _("rule %-4d %s ->"), i, tags[rule_table[i].lhs]);
+	fprintf (out, _("  %3d %3d %s ->"),
+		 i, rule_table[i].line, tags[rule_table[i].lhs]);
 	rule = &ritem[rule_table[i].rhs];
 	if (*rule > 0)
 	  while (*rule > 0)
 	    fprintf (out, " %s", tags[*rule++]);
 	else
-	  fprintf (out, "		/* %s */", _("empty"));
+	  fprintf (out, " /* %s */", _("empty"));
 	fputc ('\n', out);
       }
+  fputs ("\n\n", out);
+
 
   /* TERMINAL (type #) : rule #s terminal is on RHS */
-  fprintf (out, "\n%s\n\n", _("Terminals, with rules where they appear"));
+  fprintf (out, "%s\n\n", _("Terminals, with rules where they appear"));
   fprintf (out, "%s (-1)\n", tags[0]);
 
   for (i = 0; i <= max_user_token_number; i++)
@@ -257,9 +254,10 @@ print_grammar (FILE *out)
 	      }
 	fprintf (out, "%s\n", buffer);
       }
+  fputs ("\n\n", out);
 
-  fprintf (out, "\n%s\n\n",
-	   _("Nonterminals, with rules where they appear"));
+
+  fprintf (out, "%s\n\n", _("Nonterminals, with rules where they appear"));
   for (i = ntokens; i <= nsyms - 1; i++)
     {
       int left_count = 0, right_count = 0;
@@ -314,6 +312,7 @@ print_grammar (FILE *out)
 	}
       fprintf (out, "%s\n", buffer);
     }
+  fputs ("\n\n", out);
 }
 
 void
@@ -329,6 +328,8 @@ print_results (void)
 
       size_t size = obstack_object_size (&output_obstack);
       fwrite (obstack_finish (&output_obstack), 1, size, out);
+      if (size)
+	fputs ("\n\n", out);
 
       reduce_output (out);
       conflicts_output (out);