X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/cc84fd5dc79495429d3406f9088d01f477b52a7b..6468d18e5c07df6d5db7527e684a251da006fcb6:/src/main.c?ds=sidebyside diff --git a/src/main.c b/src/main.c index d53d105f..9cea3ff4 100644 --- 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. @@ -25,33 +25,23 @@ #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" +#include "muscle_tab.h" +#include "symtab.h" +#include "lex.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[]) @@ -64,10 +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 @@ -95,42 +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); } -/* 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