/* Top level entry point of bison,
- Copyright (C) 1984, 1986, 1989, 1992, 1995, 2000
+ Copyright 1984, 1986, 1989, 1992, 1995, 2000
Free Software Foundation, Inc.
This file is part of Bison, the GNU Compiler Compiler.
#include "files.h"
#include "complain.h"
#include "derives.h"
-
-#if 0 /* XXX currently unused. */
-/* Nonzero means failure has been detected; don't write a parser file. */
-static int failure;
-#endif
+#include "output.h"
+#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"
/* The name this program was run with, for messages. */
char *program_name;
-extern char *printable_version PARAMS ((int));
-extern void berror PARAMS ((const char *));
-
-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));
-extern void output PARAMS ((void));
-
-
-/* VMS complained about using `int'. */
+extern void berror PARAMS((const char *));
int
main (int argc, char *argv[])
lineno = 0;
getargs (argc, argv);
- /* Be ready to clean up if we exit. */
- atexit (done);
-
- openfiles ();
+ 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
declarations. */
initialize_conflicts ();
- /* 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 ();
free_nullable ();
free_derives ();
+ if (!complain_message_count)
+ 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