X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/722c4bfec27f80609a197337ae42bf5d88c31322..4f25ebb043fdb762ce4c1a2564cd7056d957ed87:/src/main.c diff --git a/src/main.c b/src/main.c index 80704466..2eb8f150 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, 2001 + Copyright 1984, 1986, 1989, 1992, 1995, 2000, 2001, 2002 Free Software Foundation, Inc. This file is part of Bison, the GNU Compiler Compiler. @@ -21,7 +21,10 @@ #include "system.h" +#include "bitset.h" #include "getargs.h" +#include "symtab.h" +#include "gram.h" #include "files.h" #include "complain.h" #include "derives.h" @@ -35,14 +38,10 @@ #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 *)); - int main (int argc, char *argv[]) { @@ -51,11 +50,12 @@ main (int argc, char *argv[]) bindtextdomain (PACKAGE, LOCALEDIR); textdomain (PACKAGE); + bitset_stats_init (); + lineno = 0; 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 @@ -64,8 +64,7 @@ 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. */ reduce_grammar (); /* Record other info about the grammar. In files derives and @@ -84,41 +83,38 @@ 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. */ - solve_conflicts (); + conflicts_solve (); conflicts_print (); /* Output file names. */ compute_output_file_names (); + /* Output the detailed report on the grammar. */ + if (report_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 (); + conflicts_free (); free_nullable (); free_derives (); + grammar_free (); - output_files (); - + /* The scanner memory cannot be released right after parsing, as it + contains things such as user actions, prologue, epilogue etc. */ + scanner_free (); + muscle_free (); /* If using alloca.c, flush the alloca'ed memory for the benefit of people running Bison as a library in IDEs. */ #if C_ALLOCA @@ -127,12 +123,3 @@ main (int argc, char *argv[]) return complain_message_count ? EXIT_FAILURE : EXIT_SUCCESS; } - -/* 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 (); -}