* src/bison.hairy: Formatting/comment changes.

[bison.git] / src / print_graph.c

diff --git a/src/print_graph.c b/src/print_graph.c
index 74dc93a6bd2d22e6e1f2673e2e96043f1cf8c46f..d187480ce0ce6e6aa6601b272e44ed1477b0036b 100644 (file)
--- a/src/print_graph.c
+++ b/src/print_graph.c
@@ -28,6 +28,7 @@
 #include "getargs.h"
 #include "state.h"
 #include "reader.h"
+#include "closure.h"
 #include "obstack.h"
 #include "print_graph.h"
 #include "vcg.h"
@@ -40,18 +41,22 @@ static void
 print_core (int state, struct obstack *node_obstack)
 {
   int i;
-  state_t *statep = state_table[state];
+  short *sitems = state_table[state]->items;
+  int snitems   = state_table[state]->nitems;
 
-  if (!statep->nitems)
-    return;
+  /* Output all the items of a state, not only its kernel.  */
+  closure (sitems, snitems);
+  sitems = itemset;
+  snitems = nitemset;
 
-  for (i = 0; i < statep->nitems; i++)
+  obstack_fgrow1 (node_obstack, "%2d: ", state);
+  for (i = 0; i < snitems; i++)
     {
       short *sp;
       short *sp1;
       int rule;
 
-      sp1 = sp = ritem + statep->items[i];
+      sp1 = sp = ritem + sitems[i];
 
       while (*sp > 0)
        sp++;
@@ -59,8 +64,7 @@ print_core (int state, struct obstack *node_obstack)
       rule = -(*sp);
 
       if (i)
-       obstack_1grow (node_obstack, '\n');
-      obstack_fgrow1 (node_obstack, "%d: ", rule);
+       obstack_sgrow (node_obstack, "\n    ");
       obstack_fgrow1 (node_obstack, " %s  ->  ",
                      tags[rule_table[rule].lhs]);
 
@@ -120,7 +124,8 @@ print_actions (int state, const char *node_name)
        edge.sourcename = node_name;
        sprintf (buff, "%d", state1);
        edge.targetname = buff;
-       edge.color = (symbol == 0) ? red : blue;
+       /* Shifts are blue, gotos are red. */
+       edge.color = SHIFT_IS_SHIFT(shiftp, i) ? blue : red;
        edge.label = tags[symbol];
        output_edge (&edge, fgraph);
        close_edge (fgraph);
@@ -162,24 +167,6 @@ print_actions (int state, const char *node_name)
                      rule, tags[symbol]);
     }
 #endif
-
-  if (i < shiftp->nshifts)
-    for (; i < shiftp->nshifts; i++)
-      if (!SHIFT_IS_DISABLED (shiftp, i))
-       {
-         int state1 = shiftp->shifts[i];
-         int symbol = state_table[state1]->accessing_symbol;
-
-         new_edge (&edge);
-         open_edge (&edge, fgraph);
-         edge.sourcename = node_name;
-         sprintf (buff, "%d", state1);
-         edge.targetname = buff;
-         edge.color = red;
-         edge.label = tags[symbol];
-         output_edge (&edge, fgraph);
-         close_edge (fgraph);
-       }
 }
 
 
@@ -220,9 +207,6 @@ print_graph (void)
 {
   int i;
 
-  if (!graph_flag)
-    return;
-
   /* Output file.  */
   fgraph = xfopen (spec_graph_file, "w");
 
@@ -249,8 +233,10 @@ print_graph (void)
   output_graph (&graph, fgraph);
 
   /* Output nodes and edges. */
+  new_closure (nitems);
   for (i = 0; i < nstates; i++)
     print_state (i);
+  free_closure ();
 
   /* Close graph. */
   close_graph (&graph, fgraph);