* doc/refcard.tex: Update.

[bison.git] / src / main.c

diff --git a/src/main.c b/src/main.c
index 309e7fc5e2867508c0f2ccf140485f9dd20154ca..9cea3ff4da44e8acb5b5a08c2f2c0116aa890a66 100644 (file)
--- a/src/main.c
+++ b/src/main.c
@@ -1,5 +1,5 @@
 /* Top level entry point of bison,
-   Copyright (C) 1984, 1986, 1989, 1992, 1995, 2000
+   Copyright 1984, 1986, 1989, 1992, 1995, 2000, 2001
    Free Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
@@ -26,34 +26,23 @@
 #include "complain.h"
 #include "derives.h"
 #include "output.h"
-
-#if 0                          /* XXX currently unused.  */
-/* Nonzero means failure has been detected; don't write a parser file.  */
-static int failure;
-#endif
+#include "reader.h"
+#include "lalr.h"
+#include "reduce.h"
+#include "nullable.h"
+#include "print.h"
+#include "LR0.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;
 
 extern void berror PARAMS((const char *));
 
-extern char *printable_version PARAMS ((int));
-
-extern void openfiles PARAMS ((void));
-extern void reader PARAMS ((void));
-extern void reduce_grammar PARAMS ((void));
-extern void set_nullable PARAMS ((void));
-extern void free_nullable PARAMS ((void));
-extern void generate_states PARAMS ((void));
-extern void lalr PARAMS ((void));
-extern void initialize_conflicts PARAMS ((void));
-extern void finalize_conflicts PARAMS ((void));
-extern void verbose PARAMS ((void));
-extern void terse PARAMS ((void));
-
-
-/* VMS complained about using `int'.  */
-
 int
 main (int argc, char *argv[])
 {
@@ -65,10 +54,8 @@ main (int argc, char *argv[])
   lineno = 0;
   getargs (argc, argv);
 
-  /* Be ready to clean up if we exit. */
-  atexit (done);
-
-  openfiles ();
+  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
@@ -96,42 +83,42 @@ 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.  */
-  initialize_conflicts ();
+  solve_conflicts ();
+
+  /* Output file names. */
+  compute_output_file_names ();
+
+  /* Stop if there were errors, to avoid trashing previous output
+     files.  */
+  if (complain_message_count)
+    exit (1);
 
-  /* Print information about results, if requested.  In file print.
-     */
-  if (verboseflag)
-    verbose ();
-  else
-    terse ();
+  /* Print information about results, if requested.  */
+  print_results ();
+
+  /* Output the VCG graph.  */
+  print_graph ();
 
   /* Output the tables and the parser to ftable.  In file output.  */
   output ();
 
-  finalize_conflicts ();
+  /* Free the symbol table data structure.  */
+  free_symtab ();
+
+  lex_free ();
+
+  /* Close the input files. */
+  close_files ();
+
+  free_conflicts ();
   free_nullable ();
   free_derives ();
 
+  output_files ();
+
   exit (complain_message_count ? 1 : 0);
 }
 \f
-/* Return a string containing a printable version of C:
-   either C itself, or the corresponding \DDD code.  */
-
-char *
-printable_version (int c)
-{
-  static char buf[10];
-  if (c < ' ' || c >= '\177')
-    sprintf (buf, "\\%o", c);
-  else
-    {
-      buf[0] = c;
-      buf[1] = '\0';
-    }
-  return buf;
-}
-
 /* Abort for an internal error denoted by string S.  */
 
 void