* src/state.h, src/state.c (transitions_t): Holds state_t*'s, not

[bison.git] / src / main.c

diff --git a/src/main.c b/src/main.c
index 9421df913f9d3dc553431a3975ca6fb6e043eee7..a4a9871fdbe6dc62695fbba89d22b56d06de39e4 100644 (file)
--- a/src/main.c
+++ b/src/main.c
@@ -21,6 +21,7 @@
 
 
 #include "system.h"
+#include "bitset_stats.h"
 #include "bitset.h"
 #include "getargs.h"
 #include "symtab.h"
@@ -38,10 +39,24 @@
 #include "conflicts.h"
 #include "print_graph.h"
 #include "muscle_tab.h"
+#include <malloc.h>
+#include <sys/times.h>
 
 /* The name this program was run with, for messages.  */
 char *program_name;
 
+static void
+stage (const char *title)
+{
+  struct mallinfo minfo = mallinfo ();
+  struct tms tinfo;
+  times (&tinfo);
+  fprintf (stderr, "STAGE: %30s: %9d (%9d): %ldu %lds\n",
+          title,
+          minfo.uordblks, minfo.arena,
+          tinfo.tms_utime, tinfo.tms_stime);
+}
+
 int
 main (int argc, char *argv[])
 {
@@ -50,23 +65,30 @@ main (int argc, char *argv[])
   bindtextdomain (PACKAGE, LOCALEDIR);
   textdomain (PACKAGE);
 
-  bitset_stats_init ();
-
-  lineno = 0;
   getargs (argc, argv);
 
+  if (trace_flag)
+    bitset_stats_enable ();
+
   muscle_init ();
 
+  stage ("initialized muscles");
+
   /* Read the input.  Copy some parts of it to FGUARD, FACTION, FTABLE
      and FATTRS.  In file reader.c.  The other parts are recorded in
      the grammar; see gram.h.  */
   reader ();
+
+  stage ("reader");
+
   if (complain_message_count)
     exit (1);
 
   /* Find useless nonterminals and productions and reduce the grammar. */
   reduce_grammar ();
 
+  stage ("reduced grammar");
+
   /* Record other info about the grammar.  In files derives and
      nullable.  */
   set_derives ();
@@ -76,9 +98,11 @@ main (int argc, char *argv[])
      See state.h for more info.  */
   generate_states ();
 
+  stage ("generated states");
   /* make it deterministic.  In file lalr.  */
   lalr ();
 
+  stage ("lalred");
   /* Find and record any conflicts: places where one token of
      lookahead is not enough to disambiguate the parsing.  In file
      conflicts.  Also resolve s/r conflicts based on precedence
@@ -86,6 +110,7 @@ main (int argc, char *argv[])
   conflicts_solve ();
   conflicts_print ();
 
+  stage ("solved conflicts");
   /* Output file names. */
   compute_output_file_names ();
 
@@ -93,6 +118,7 @@ main (int argc, char *argv[])
   if (report_flag)
     print_results ();
 
+  stage ("printed results");
   /* Stop if there were errors, to avoid trashing previous output
      files.  */
   if (complain_message_count)
@@ -104,18 +130,35 @@ main (int argc, char *argv[])
 
   /* Output the tables and the parser to ftable.  In file output.  */
   output ();
+  stage ("made output");
 
+  states_free ();
+  stage ("freed states");
   reduce_free ();
+  stage ("freed reduce");
   conflicts_free ();
+  stage ("freed conflicts");
   free_nullable ();
+  stage ("freed nullable");
   free_derives ();
+  stage ("freed derives");
   grammar_free ();
-
+  stage ("freed grammar");
+
+  /* The scanner memory cannot be released right after parsing, as it
+     contains things such as user actions, prologue, epilogue etc.  */
+  scanner_free ();
+  stage ("freed scanner");
+  muscle_free ();
+  stage ("freed muscles");
   /* If using alloca.c, flush the alloca'ed memory for the benefit of
      people running Bison as a library in IDEs.  */
 #if C_ALLOCA
-    alloca (0);
+  alloca (0);
 #endif
 
+  if (trace_flag)
+    bitset_stats_dump (stderr);
+
   return complain_message_count ? EXIT_FAILURE : EXIT_SUCCESS;
 }