Add.

[bison.git] / src / main.c

diff --git a/src/main.c b/src/main.c
index 9cea3ff4da44e8acb5b5a08c2f2c0116aa890a66..c0faa97ab4db2214bffb2b85175f8eaab4dac83d 100644 (file)
--- a/src/main.c
+++ b/src/main.c
@@ -1,5 +1,5 @@
 /* Top level entry point of bison,
 /* Top level entry point of bison,

-   Copyright 1984, 1986, 1989, 1992, 1995, 2000, 2001
+   Copyright 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.


@@ -21,7 +21,10 @@
 
 
 #include "system.h"
 
 
 #include "system.h"

+#include "bitset.h"

 #include "getargs.h"
 #include "getargs.h"

+#include "symtab.h"
+#include "gram.h"

 #include "files.h"
 #include "complain.h"
 #include "derives.h"
 #include "files.h"
 #include "complain.h"
 #include "derives.h"


@@ -35,14 +38,11 @@
 #include "conflicts.h"
 #include "print_graph.h"
 #include "muscle_tab.h"
 #include "conflicts.h"
 #include "print_graph.h"
 #include "muscle_tab.h"

-#include "symtab.h"

 #include "lex.h"
 
 /* The name this program was run with, for messages.  */
 char *program_name;
 
 #include "lex.h"
 
 /* The name this program was run with, for messages.  */
 char *program_name;
 

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

 int
 main (int argc, char *argv[])
 {
 int
 main (int argc, char *argv[])
 {


@@ -51,11 +51,12 @@ main (int argc, char *argv[])
   bindtextdomain (PACKAGE, LOCALEDIR);
   textdomain (PACKAGE);
 
   bindtextdomain (PACKAGE, LOCALEDIR);
   textdomain (PACKAGE);
 

+  bitset_stats_init ();
+

   lineno = 0;
   getargs (argc, argv);
 
   muscle_init ();
   lineno = 0;
   getargs (argc, argv);
 
   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
 
   /* Read the input.  Copy some parts of it to FGUARD, FACTION, FTABLE
      and FATTRS.  In file reader.c.  The other parts are recorded in


@@ -64,15 +65,15 @@ main (int argc, char *argv[])
   if (complain_message_count)
     exit (1);
 
   if (complain_message_count)
     exit (1);
 

-  /* find useless nonterminals and productions and reduce the grammar.  In
-     file reduce.c */
+  /* Find useless nonterminals and productions and reduce the grammar. */

   reduce_grammar ();
 
   reduce_grammar ();
 

-  /* 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 ();
 
   set_derives ();
   set_nullable ();
 

-  /* convert to nondeterministic finite state machine.  In file LR0.
+  /* Convert to nondeterministic finite state machine.  In file LR0.

      See state.h for more info.  */
   generate_states ();
 
      See state.h for more info.  */
   generate_states ();
 


@@ -83,47 +84,39 @@ main (int argc, char *argv[])
      lookahead is not enough to disambiguate the parsing.  In file
      conflicts.  Also resolve s/r conflicts based on precedence
      declarations.  */
      lookahead is not enough to disambiguate the parsing.  In file
      conflicts.  Also resolve s/r conflicts based on precedence
      declarations.  */

-  solve_conflicts ();
+  conflicts_solve ();
+  conflicts_print ();

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

+  /* Output the detailed report on the grammar.  */
+  if (report_flag)
+    print_results ();
+

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

-  /* Print information about results, if requested.  */
-  print_results ();
-

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

-  print_graph ();
+  if (graph_flag)
+    print_graph ();

 
   /* Output the tables and the parser to ftable.  In file output.  */
   output ();
 
 
   /* Output the tables and the parser to ftable.  In file output.  */
   output ();
 

-  /* Free the symbol table data structure.  */
-  free_symtab ();
-
-  lex_free ();
-
-  /* Close the input files. */
-  close_files ();
-
-  free_conflicts ();
+  reduce_free ();
+  conflicts_free ();

   free_nullable ();
   free_derives ();
   free_nullable ();
   free_derives ();

+  grammar_free ();

 
 

-  output_files ();
+  /* 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);
+#endif

 
 

-  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 ();
+  return complain_message_count ? EXIT_FAILURE : EXIT_SUCCESS;

 }
 }