X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/bbb5bcc6f85b9ae3f951ab062455767318b827ad..b49717356495d8150abc7806b3380b273a864ce2:/src/main.c diff --git a/src/main.c b/src/main.c index fb62ff2d..10d5e0a8 100644 --- 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 + Copyright 1984, 1986, 1989, 1992, 1995, 2000, 2001 Free Software Foundation, Inc. This file is part of Bison, the GNU Compiler Compiler. @@ -34,6 +34,9 @@ #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; @@ -51,6 +54,7 @@ main (int argc, char *argv[]) lineno = 0; getargs (argc, argv); + muscle_init (); open_files (); /* Read the input. Copy some parts of it to FGUARD, FACTION, FTABLE @@ -60,15 +64,16 @@ main (int argc, char *argv[]) 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. + In file reduce.c. */ reduce_grammar (); - /* record other info about the grammar. In files derives and nullable. */ + /* Record other info about the grammar. In files derives and + nullable. */ set_derives (); set_nullable (); - /* convert to nondeterministic finite state machine. In file LR0. + /* Convert to nondeterministic finite state machine. In file LR0. See state.h for more info. */ generate_states (); @@ -79,25 +84,42 @@ 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 (); + conflicts_print (); - /* Print information about results, if requested. */ + /* Output file names. */ + compute_output_file_names (); + + /* 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. */ + /* Output the VCG graph. */ print_graph (); /* Output the tables and the parser to ftable. In file output. */ output (); - finalize_conflicts (); + /* Close the input files. */ + close_files (); + + /* Free the symbol table data structure. */ + free_symtab (); + + lex_free (); + + reduce_free (); + free_conflicts (); free_nullable (); free_derives (); - if (!complain_message_count) - output_files (); + output_files (); - exit (complain_message_count ? 1 : 0); + return complain_message_count ? EXIT_FAILURE : EXIT_SUCCESS; } /* Abort for an internal error denoted by string S. */