* src/vcg.c (open_edge, close_edge, open_node, close_node): Change

[bison.git] / src / print_graph.c

diff --git a/src/print_graph.c b/src/print_graph.c
index a021a7c7e1e53c820d5aa6170cbf17c0dfca00a3..e326341a2351e6e758eb127ca2a44c0ad8b1c0be 100644 (file)
--- a/src/print_graph.c
+++ b/src/print_graph.c
@@ -35,6 +35,7 @@
 #include "quotearg.h"
 
 static graph_t graph;
 #include "quotearg.h"
 
 static graph_t graph;

+static FILE *fgraph = NULL;

 
 static size_t node_output_size = 0;
 
 
 static size_t node_output_size = 0;
 


@@ -136,7 +137,7 @@ print_actions (int state, const char *node_name, struct obstack *node_obstack)
 
            if (state > state1)
              edge.type = back_edge;
 
            if (state > state1)
              edge.type = back_edge;

-           open_edge (&edge, &graph_obstack);
+           open_edge (&edge, fgraph);

            /* The edge source is the current node.  */
            edge.sourcename = node_name;
            sprintf (buff, "%d", state1);
            /* The edge source is the current node.  */
            edge.sourcename = node_name;
            sprintf (buff, "%d", state1);


@@ -145,8 +146,8 @@ print_actions (int state, const char *node_name, struct obstack *node_obstack)
            /* FIXME: Be aware that quote uses static memory.  The string
               must be output immediately (which is the case here). */
            edge.label = tags[symbol] ? quote (tags[symbol]) : NULL;
            /* FIXME: Be aware that quote uses static memory.  The string
               must be output immediately (which is the case here). */
            edge.label = tags[symbol] ? quote (tags[symbol]) : NULL;

-           output_edge (&edge, &graph_obstack);
-           close_edge (&graph_obstack);
+           output_edge (&edge, fgraph);
+           close_edge (fgraph);

          }
        }
     }
          }
        }
     }


@@ -198,14 +199,14 @@ print_actions (int state, const char *node_name, struct obstack *node_obstack)
          symbol = accessing_symbol[state1];
 
          new_edge (&edge);
          symbol = accessing_symbol[state1];
 
          new_edge (&edge);

-         open_edge (&edge, &graph_obstack);
+         open_edge (&edge, fgraph);

          edge.sourcename = node_name;
          sprintf (buff, "%d", state1);
          edge.targetname = buff;
          edge.color = red;
          edge.label = tags[symbol] ? quote (tags[symbol]) : NULL;
          edge.sourcename = node_name;
          sprintf (buff, "%d", state1);
          edge.targetname = buff;
          edge.color = red;
          edge.label = tags[symbol] ? quote (tags[symbol]) : NULL;

-         output_edge (&edge, &graph_obstack);
-         close_edge (&graph_obstack);
+         output_edge (&edge, fgraph);
+         close_edge (fgraph);

        }
     }
 }
        }
     }
 }


@@ -223,9 +224,6 @@ print_state (int state)
   new_node (&node);    /* Set node attributs default value.  */
   sprintf (name, "%d", state);
   node.title = name;   /* Give a name to the node.  */
   new_node (&node);    /* Set node attributs default value.  */
   sprintf (name, "%d", state);
   node.title = name;   /* Give a name to the node.  */

-  open_node (&node_obstack);
-  /* Output a VCG formatted attributs list.  */
-  output_node (&node, &node_obstack);

   
   { 
     /* Here we begin to compute the node label. */  
   
   { 
     /* Here we begin to compute the node label. */  


@@ -241,20 +239,17 @@ print_state (int state)
     print_actions (state, node.title, &node_obstack);
     
     obstack_sgrow (&node_obstack, "\"\n");             /* Close Label.  */
     print_actions (state, node.title, &node_obstack);
     
     obstack_sgrow (&node_obstack, "\"\n");             /* Close Label.  */

-    
-    close_node (&node_obstack);
-  }
-  
-  /* `obstack_cat' NODE_OBSTACK to GRAPH_OBSTACK.  */
-  {
-    size_t obs_size;
-
-    obs_size = obstack_object_size (&node_obstack);
-    obstack_grow (&graph_obstack, 
-                 obstack_base (&node_obstack), 
-                 obs_size);
-    obstack_free (&node_obstack, 0);
-  }
+  }    
+
+  open_node (fgraph);
+  /* Output a VCG formatted attributs list.  */
+  output_node (&node, fgraph);
+  /* Save the node label.  */
+  fwrite (obstack_base (&node_obstack), 
+         obstack_object_size (&node_obstack), 1, fgraph);
+  close_node (fgraph);
+
+  obstack_free (&node_obstack, 0);

 }
 \f
 
 }
 \f
 


@@ -262,9 +257,13 @@ void
 print_graph (void)
 {
   int i;
 print_graph (void)
 {
   int i;

-
+  

   if (!graph_flag)
     return;
   if (!graph_flag)
     return;

+
+  /* Output file.  */
+  fgraph = xfopen (spec_graph_file, "w");
+

   new_graph (&graph);
 
 #if 0
   new_graph (&graph);
 
 #if 0


@@ -284,13 +283,14 @@ print_graph (void)
   graph.crossing_weight = median;
 
   /* Output graph options. */
   graph.crossing_weight = median;
 
   /* Output graph options. */

-  open_graph (&graph_obstack);
-  output_graph (&graph, &graph_obstack);
+  open_graph (fgraph);
+  output_graph (&graph, fgraph);

 
   for (i = 0; i < nstates; i++)
     /* Output nodes & edges. */
     print_state (i);
 
   /* Close graph. */
 
   for (i = 0; i < nstates; i++)
     /* Output nodes & edges. */
     print_state (i);
 
   /* Close graph. */

-  close_graph (&graph, &graph_obstack);
+  close_graph (&graph, fgraph);
+  xfclose (fgraph);

 }
 }