/* The name this program was run with, for messages. */
char *program_name;
-extern void berror PARAMS((const char *));
-
int
main (int argc, char *argv[])
{
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
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 ();
/* Record other info about the grammar. In files derives and
/* Output file names. */
compute_output_file_names ();
+ /* Output the detailed report on the grammar. */
+ if (verbose_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 ();
free_nullable ();
free_derives ();
- 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
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 ();
-}