* configure.ac (AC_GNU_SOURCE): Use it instead of hand written code.

[bison.git] / src / print_graph.c

diff --git a/src/print_graph.c b/src/print_graph.c
index 8e6cdb3df9cda93e4db79a343c6a943feef02350..fe0ee76d9d52b3faa98b54dad40e0c7c223d8ff0 100644 (file)
--- a/src/print_graph.c
+++ b/src/print_graph.c
@@ -70,46 +70,39 @@ print_core (struct obstack *oout, state_t *state)
       while (*sp >= 0)
        sp++;
 
-      rule = rule_number_of_item_number (*sp);
+      rule = item_number_as_rule_number (*sp);
 
       if (i)
        obstack_1grow (oout, '\n');
       obstack_fgrow1 (oout, " %s -> ",
-                     symbol_tag_get (rules[rule].lhs));
+                     rules[rule].lhs->tag);
 
       for (sp = rules[rule].rhs; sp < sp1; sp++)
-       obstack_fgrow1 (oout, "%s ", symbol_tag_get (symbols[*sp]));
+       obstack_fgrow1 (oout, "%s ", symbols[*sp]->tag);
 
       obstack_1grow (oout, '.');
 
       for (/* Nothing */; *sp >= 0; ++sp)
-       obstack_fgrow1 (oout, " %s", symbol_tag_get (symbols[*sp]));
+       obstack_fgrow1 (oout, " %s", symbols[*sp]->tag);
 
       /* Experimental feature: display the lookaheads. */
-      if ((report_flag & report_lookaheads)
-         && state->nlookaheads)
+      if (report_flag & report_lookaheads)
        {
-         int j, k;
-         int nlookaheads = 0;
-         /* Look for lookaheads corresponding to this rule. */
-         for (j = 0; j < state->nlookaheads; ++j)
-           BITSET_EXECUTE (state->lookaheads[j], 0, k,
-           {
-             if (state->lookaheads_rule[j]->number == rule)
-               nlookaheads++;
-           });
+         /* Find the reduction we are handling.  */
+         reductions_t *reds = state->reductions;
+         int redno = state_reduction_find (state, &rules[rule]);
 
-         if (nlookaheads)
+         /* Print them if there are.  */
+         if (reds->lookaheads && redno != -1)
            {
-             obstack_sgrow (oout, "  [");
-             for (j = 0; j < state->nlookaheads; ++j)
-               BITSET_EXECUTE (state->lookaheads[j], 0, k,
-               {
-                 if (state->lookaheads_rule[j]->number == rule)
-                   obstack_fgrow2 (oout, "%s%s",
-                                   symbol_tag_get (symbols[k]),
-                                   --nlookaheads ? ", " : "");
-               });
+             bitset_iterator biter;
+             int k;
+             int not_first = 0;
+             obstack_sgrow (oout, "[");
+             BITSET_FOR_EACH (biter, reds->lookaheads[redno], k, 0)
+               obstack_fgrow2 (oout, "%s%s",
+                               not_first++ ? ", " : "",
+                               symbols[k]->tag);
              obstack_sgrow (oout, "]");
            }
        }
@@ -127,7 +120,7 @@ print_actions (state_t *state, const char *node_name)
 {
   int i;
 
-  transitions_t     *transitions = state->shifts;
+  transitions_t     *transitions = state->transitions;
   reductions_t *redp = state->reductions;
 
   static char buff[10];
@@ -139,24 +132,24 @@ print_actions (state_t *state, const char *node_name)
   for (i = 0; i < transitions->num; i++)
     if (!TRANSITION_IS_DISABLED (transitions, i))
       {
-       state_number_t state1 = transitions->states[i];
-       symbol_number_t symbol = states[state1]->accessing_symbol;
+       state_t *state1 = transitions->states[i];
+       symbol_number_t symbol = state1->accessing_symbol;
 
        new_edge (&edge);
 
-       if (state->number > state1)
+       if (state->number > state1->number)
          edge.type = back_edge;
        open_edge (&edge, fgraph);
        /* The edge source is the current node.  */
        edge.sourcename = node_name;
-       sprintf (buff, "%d", state1);
+       sprintf (buff, "%d", state1->number);
        edge.targetname = buff;
        /* Shifts are blue, gotos are green, and error is red. */
        if (TRANSITION_IS_ERROR (transitions, i))
          edge.color = red;
        else
          edge.color = TRANSITION_IS_SHIFT(transitions, i) ? blue : green;
-       edge.label = symbol_tag_get (symbols[symbol]);
+       edge.label = symbols[symbol]->tag;
        output_edge (&edge, fgraph);
        close_edge (fgraph);
       }