Add support for hex token numbers.

[bison.git] / src / main.c

diff --git a/src/main.c b/src/main.c
index 674c56d5fd7634763dc33643a820a9fdfcb1115e..87ecbaba43eb5cad3f871b86fa4a8701d409b329 100644 (file)
--- a/src/main.c
+++ b/src/main.c
@@ -1,5 +1,6 @@
-/* Top level entry point of bison,
-   Copyright 1984, 1986, 1989, 1992, 1995, 2000, 2001
+/* Top level entry point of Bison.
+
+   Copyright (C) 1984, 1986, 1989, 1992, 1995, 2000, 2001, 2002

    Free Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
    Free Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.


@@ -21,112 +22,173 @@
 
 
 #include "system.h"
 
 
 #include "system.h"

-#include "getargs.h"
-#include "files.h"
+
+#include <bitset_stats.h>
+#include <bitset.h>
+#include <timevar.h>
+
+#include "LR0.h"

 #include "complain.h"
 #include "complain.h"

+#include "conflicts.h"

 #include "derives.h"
 #include "derives.h"

-#include "output.h"
-#include "reader.h"
+#include "files.h"
+#include "getargs.h"
+#include "gram.h"

 #include "lalr.h"
 #include "lalr.h"

-#include "reduce.h"
+#include "muscle_tab.h"

 #include "nullable.h"
 #include "nullable.h"

+#include "output.h"

 #include "print.h"
 #include "print.h"

-#include "LR0.h"
-#include "conflicts.h"

 #include "print_graph.h"
 #include "print_graph.h"

-#include "muscle_tab.h"
+#include "reader.h"
+#include "reduce.h"

 #include "symtab.h"
 #include "symtab.h"

-#include "lex.h"
+#include "tables.h"
+#include "uniqstr.h"

 
 /* The name this program was run with, for messages.  */
 char *program_name;
 
 
 /* The name this program was run with, for messages.  */
 char *program_name;
 

-extern void berror PARAMS((const char *));
+

 
 int
 main (int argc, char *argv[])
 {
   program_name = argv[0];
   setlocale (LC_ALL, "");
 
 int
 main (int argc, char *argv[])
 {
   program_name = argv[0];
   setlocale (LC_ALL, "");

-  bindtextdomain (PACKAGE, LOCALEDIR);
-  textdomain (PACKAGE);
+  (void) bindtextdomain (PACKAGE, LOCALEDIR);
+  (void) textdomain (PACKAGE);
+
+  uniqstrs_new ();

 
 

-  lineno = 0;

   getargs (argc, argv);
 
   getargs (argc, argv);
 

+  timevar_report = trace_flag & trace_time;
+  init_timevar ();
+  timevar_start (TV_TOTAL);
+
+  if (trace_flag & trace_bitsets)
+    bitset_stats_enable ();
+

   muscle_init ();
   muscle_init ();

-  open_files ();

 
   /* 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.  */
 
   /* 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.  */

+
+  timevar_push (TV_READER);

   reader ();
   reader ();

-  if (complain_message_count)
-    exit (1);
+  timevar_pop (TV_READER);

 
 

-  /* Find useless nonterminals and productions and reduce the grammar.
-     In file reduce.c.  */
+  if (complaint_issued)
+    goto finish;
+
+  /* Find useless nonterminals and productions and reduce the grammar. */
+  timevar_push (TV_REDUCE);

   reduce_grammar ();
   reduce_grammar ();

+  timevar_pop (TV_REDUCE);

 
   /* Record other info about the grammar.  In files derives and
      nullable.  */
 
   /* Record other info about the grammar.  In files derives and
      nullable.  */

-  set_derives ();
-  set_nullable ();
+  timevar_push (TV_SETS);
+  derives_compute ();
+  nullable_compute ();
+  timevar_pop (TV_SETS);

 
   /* Convert to nondeterministic finite state machine.  In file LR0.
      See state.h for more info.  */
 
   /* Convert to nondeterministic finite state machine.  In file LR0.
      See state.h for more info.  */

+  timevar_push (TV_LR0);

   generate_states ();
   generate_states ();

+  timevar_pop (TV_LR0);

 
   /* make it deterministic.  In file lalr.  */
 
   /* make it deterministic.  In file lalr.  */

+  timevar_push (TV_LALR);

   lalr ();
   lalr ();

+  timevar_pop (TV_LALR);

 
   /* 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
      declarations.  */
 
   /* 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
      declarations.  */

-  solve_conflicts ();
+  timevar_push (TV_CONFLICTS);
+  conflicts_solve ();

   conflicts_print ();
   conflicts_print ();

+  timevar_pop (TV_CONFLICTS);
+
+  /* Compute the parser tables.  */
+  timevar_push (TV_ACTIONS);
+  tables_generate ();
+  timevar_pop (TV_ACTIONS);
+
+  grammar_rules_never_reduced_report
+    (_("rule never reduced because of conflicts"));

 
   /* Output file names. */
   compute_output_file_names ();
 
 
   /* Output file names. */
   compute_output_file_names ();
 

-  /* Stop if there were errors, to avoid trashing previous output
-     files.  */
-  if (complain_message_count)
-    exit (1);
-

   /* Output the detailed report on the grammar.  */
   /* Output the detailed report on the grammar.  */

-  print_results ();
+  if (report_flag)
+    {
+      timevar_push (TV_REPORT);
+      print_results ();
+      timevar_pop (TV_REPORT);
+    }

 
   /* Output the VCG graph.  */
 
   /* Output the VCG graph.  */

-  print_graph ();
+  if (graph_flag)
+    {
+      timevar_push (TV_GRAPH);
+      print_graph ();
+      timevar_pop (TV_GRAPH);
+    }

 
 

-  /* Output the tables and the parser to ftable.  In file output.  */
-  output ();
-
-  /* Close the input files. */
-  close_files ();
+  /* Stop if there were errors, to avoid trashing previous output
+     files.  */
+  if (complaint_issued)
+    goto finish;

 
 

-  /* Free the symbol table data structure.  */
-  free_symtab ();
+  /* Lookaheads are no longer needed. */
+  timevar_push (TV_FREE);
+  lalr_free ();
+  timevar_pop (TV_FREE);

 
 

-  lex_free ();
+  /* Output the tables and the parser to ftable.  In file output.  */
+  timevar_push (TV_PARSER);
+  output ();
+  timevar_pop (TV_PARSER);

 
 

+  timevar_push (TV_FREE);
+  nullable_free ();
+  derives_free ();
+  tables_free ();
+  states_free ();

   reduce_free ();
   reduce_free ();

-  free_conflicts ();
-  free_nullable ();
-  free_derives ();
-
-  output_files ();
-
-  exit (complain_message_count ? 1 : 0);
-}
-\f
-/* Abort for an internal error denoted by string S.  */
-
-void
-berror (const char *s)
-{
-  fprintf (stderr, _("%s: internal error: %s\n"), program_name, s);
-  abort ();
+  conflicts_free ();
+  grammar_free ();
+
+  /* The scanner memory cannot be released right after parsing, as it
+     contains things such as user actions, prologue, epilogue etc.  */
+  scanner_free ();
+  muscle_free ();
+  uniqstrs_free ();
+  /* If using alloca.c, flush the alloca'ed memory for the benefit of
+     people running Bison as a library in IDEs.  */
+#if C_ALLOCA
+  {
+    extern void *alloca (size_t);
+    alloca (0);
+  }
+#endif
+  timevar_pop (TV_FREE);
+
+  if (trace_flag & trace_bitsets)
+    bitset_stats_dump (stderr);
+
+ finish:
+
+  /* Stop timing and print the times.  */
+  timevar_stop (TV_TOTAL);
+  timevar_print (stderr);
+
+  return complaint_issued ? EXIT_FAILURE : EXIT_SUCCESS;

 }
 }