Add %define lr.keep_unreachable_states.

[bison.git] / src / main.c

diff --git a/src/main.c b/src/main.c
index 4c66c36703d82e386958619f417407780a0b9581..2b30829846e7d9394e3f1090bae51d94e423ca3c 100644 (file)
--- a/src/main.c
+++ b/src/main.c
@@ -40,6 +40,7 @@
 #include "output.h"
 #include "print.h"
 #include "print_graph.h"
+#include "print-xml.h"
 #include "reader.h"
 #include "reduce.h"
 #include "scan-code.h"
@@ -113,14 +114,16 @@ main (int argc, char *argv[])
      declarations.  */
   timevar_push (TV_CONFLICTS);
   conflicts_solve ();
-  {
-    state_number *old_to_new = xnmalloc (nstates, sizeof *old_to_new);
-    state_number nstates_old = nstates;
-    state_remove_unreachable_states (old_to_new);
-    lalr_update_state_numbers (old_to_new, nstates_old);
-    conflicts_update_state_numbers (old_to_new, nstates_old);
-    free (old_to_new);
-  }
+  muscle_percent_define_default ("lr.keep_unreachable_states", "false");
+  if (!muscle_percent_define_flag_if ("lr.keep_unreachable_states"))
+    {
+      state_number *old_to_new = xnmalloc (nstates, sizeof *old_to_new);
+      state_number nstates_old = nstates;
+      state_remove_unreachable_states (old_to_new);
+      lalr_update_state_numbers (old_to_new, nstates_old);
+      conflicts_update_state_numbers (old_to_new, nstates_old);
+      free (old_to_new);
+    }
   conflicts_print ();
   timevar_pop (TV_CONFLICTS);
 
@@ -151,6 +154,14 @@ main (int argc, char *argv[])
       timevar_pop (TV_GRAPH);
     }
 
+  /* Output xml.  */
+  if (xml_flag)
+    {
+      timevar_push (TV_XML);
+      print_xml ();
+      timevar_pop (TV_XML);
+    }
+
   /* Stop if there were errors, to avoid trashing previous output
      files.  */
   if (complaint_issued)