New file: skeleton for GLR (Generalized LR) parser.

[bison.git] / src / main.c

diff --git a/src/main.c b/src/main.c
index 76caf7a0242b58b0e6c4d360b26aa609d0001f75..2eb8f1500a7e3bf0cfdc4f44c76ad2ec4ef28950 100644 (file)
--- a/src/main.c
+++ b/src/main.c
@@ -1,5 +1,5 @@
 /* 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.
@@ -21,7 +21,10 @@
 
 
 #include "system.h"
+#include "bitset.h"
 #include "getargs.h"
+#include "symtab.h"
+#include "gram.h"
 #include "files.h"
 #include "complain.h"
 #include "derives.h"
@@ -35,14 +38,10 @@
 #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;
 
-extern void berror PARAMS((const char *));
-
 int
 main (int argc, char *argv[])
 {
@@ -51,11 +50,12 @@ main (int argc, char *argv[])
   bindtextdomain (PACKAGE, LOCALEDIR);
   textdomain (PACKAGE);
 
+  bitset_stats_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
@@ -83,41 +83,38 @@ 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.  */
-  solve_conflicts ();
+  conflicts_solve ();
   conflicts_print ();
 
   /* 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);
 
-  /* Output the detailed report on the grammar.  */
-  print_results ();
-
   /* Output the VCG graph.  */
-  print_graph ();
+  if (graph_flag)
+    print_graph ();
 
   /* Output the tables and the parser to ftable.  In file output.  */
   output ();
 
-  /* Close the input files. */
-  close_files ();
-
-  /* Free the symbol table data structure.  */
-  free_symtab ();
-
-  lex_free ();
-
   reduce_free ();
-  free_conflicts ();
+  conflicts_free ();
   free_nullable ();
   free_derives ();
+  grammar_free ();
 
-  output_files ();
-
+  /* The scanner memory cannot be released right after parsing, as it
+     contains things such as user actions, prologue, epilogue etc.  */
+  scanner_free ();
+  muscle_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
@@ -126,12 +123,3 @@ main (int argc, char *argv[])
 
   return complain_message_count ? EXIT_FAILURE : EXIT_SUCCESS;
 }
-\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 ();
-}