Index: bison/src/bison/2.4.1/bison-2.4.1-src/src/main.c |
=================================================================== |
--- bison/src/bison/2.4.1/bison-2.4.1-src/src/main.c (revision 0) |
+++ bison/src/bison/2.4.1/bison-2.4.1-src/src/main.c (revision 0) |
@@ -0,0 +1,210 @@ |
+/* Top level entry point of Bison. |
+ |
+ Copyright (C) 1984, 1986, 1989, 1992, 1995, 2000, 2001, 2002, 2004, |
+ 2005, 2006, 2007 Free Software Foundation, Inc. |
+ |
+ This file is part of Bison, the GNU Compiler Compiler. |
+ |
+ This program is free software: you can redistribute it and/or modify |
+ it under the terms of the GNU General Public License as published by |
+ the Free Software Foundation, either version 3 of the License, or |
+ (at your option) any later version. |
+ |
+ This program is distributed in the hope that it will be useful, |
+ but WITHOUT ANY WARRANTY; without even the implied warranty of |
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
+ GNU General Public License for more details. |
+ |
+ You should have received a copy of the GNU General Public License |
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
+ |
+#include <config.h> |
+#include "system.h" |
+ |
+#include <bitset_stats.h> |
+#include <bitset.h> |
+#include <configmake.h> |
+#include <quotearg.h> |
+#include <timevar.h> |
+ |
+#include "LR0.h" |
+#include "complain.h" |
+#include "conflicts.h" |
+#include "derives.h" |
+#include "files.h" |
+#include "getargs.h" |
+#include "gram.h" |
+#include "lalr.h" |
+#include "muscle_tab.h" |
+#include "nullable.h" |
+#include "output.h" |
+#include "print.h" |
+#include "print_graph.h" |
+#include "print-xml.h" |
+#include "reader.h" |
+#include "reduce.h" |
+#include "scan-code.h" |
+#include "scan-gram.h" |
+#include "scan-skel.h" |
+#include "symtab.h" |
+#include "tables.h" |
+#include "uniqstr.h" |
+ |
+ |
+ |
+int |
+main (int argc, char *argv[]) |
+{ |
+ set_program_name (argv[0]); |
+ setlocale (LC_ALL, ""); |
+ (void) bindtextdomain (PACKAGE, LOCALEDIR); |
+ (void) bindtextdomain ("bison-runtime", LOCALEDIR); |
+ (void) textdomain (PACKAGE); |
+ |
+ uniqstrs_new (); |
+ |
+ getargs (argc, argv); |
+ |
+ timevar_report = trace_flag & trace_time; |
+ init_timevar (); |
+ timevar_start (TV_TOTAL); |
+ |
+ if (trace_flag & trace_bitsets) |
+ bitset_stats_enable (); |
+ |
+ muscle_init (); |
+ |
+ /* Read the input. Copy some parts of it to FGUARD, FACTION, FTABLE |
+ and FATTRS. In file reader.c. The other parts are recorded in |
+ the grammar; see gram.h. */ |
+ |
+ timevar_push (TV_READER); |
+ reader (); |
+ timevar_pop (TV_READER); |
+ |
+ if (complaint_issued) |
+ goto finish; |
+ |
+ /* Find useless nonterminals and productions and reduce the grammar. */ |
+ timevar_push (TV_REDUCE); |
+ reduce_grammar (); |
+ timevar_pop (TV_REDUCE); |
+ |
+ /* Record other info about the grammar. In files derives and |
+ nullable. */ |
+ timevar_push (TV_SETS); |
+ derives_compute (); |
+ nullable_compute (); |
+ timevar_pop (TV_SETS); |
+ |
+ /* Convert to nondeterministic finite state machine. In file LR0. |
+ See state.h for more info. */ |
+ timevar_push (TV_LR0); |
+ generate_states (); |
+ timevar_pop (TV_LR0); |
+ |
+ /* make it deterministic. In file lalr. */ |
+ timevar_push (TV_LALR); |
+ lalr (); |
+ timevar_pop (TV_LALR); |
+ |
+ /* Find and record any conflicts: places where one token of |
+ lookahead is not enough to disambiguate the parsing. In file |
+ conflicts. Also resolve s/r conflicts based on precedence |
+ declarations. */ |
+ timevar_push (TV_CONFLICTS); |
+ conflicts_solve (); |
+ muscle_percent_define_default ("lr.keep_unreachable_states", "false"); |
+ if (!muscle_percent_define_flag_if ("lr.keep_unreachable_states")) |
+ { |
+ state_number *old_to_new = xnmalloc (nstates, sizeof *old_to_new); |
+ state_number nstates_old = nstates; |
+ state_remove_unreachable_states (old_to_new); |
+ lalr_update_state_numbers (old_to_new, nstates_old); |
+ conflicts_update_state_numbers (old_to_new, nstates_old); |
+ free (old_to_new); |
+ } |
+ conflicts_print (); |
+ timevar_pop (TV_CONFLICTS); |
+ |
+ /* Compute the parser tables. */ |
+ timevar_push (TV_ACTIONS); |
+ tables_generate (); |
+ timevar_pop (TV_ACTIONS); |
+ |
+ grammar_rules_useless_report |
+ (_("rule useless in parser due to conflicts")); |
+ |
+ /* Output file names. */ |
+ compute_output_file_names (); |
+ |
+ /* Output the detailed report on the grammar. */ |
+ if (report_flag) |
+ { |
+ timevar_push (TV_REPORT); |
+ print_results (); |
+ timevar_pop (TV_REPORT); |
+ } |
+ |
+ /* Output the graph. */ |
+ if (graph_flag) |
+ { |
+ timevar_push (TV_GRAPH); |
+ print_graph (); |
+ timevar_pop (TV_GRAPH); |
+ } |
+ |
+ /* Output xml. */ |
+ if (xml_flag) |
+ { |
+ timevar_push (TV_XML); |
+ print_xml (); |
+ timevar_pop (TV_XML); |
+ } |
+ |
+ /* Stop if there were errors, to avoid trashing previous output |
+ files. */ |
+ if (complaint_issued) |
+ goto finish; |
+ |
+ /* Lookahead tokens are no longer needed. */ |
+ timevar_push (TV_FREE); |
+ lalr_free (); |
+ timevar_pop (TV_FREE); |
+ |
+ /* Output the tables and the parser to ftable. In file output. */ |
+ timevar_push (TV_PARSER); |
+ output (); |
+ timevar_pop (TV_PARSER); |
+ |
+ timevar_push (TV_FREE); |
+ nullable_free (); |
+ derives_free (); |
+ tables_free (); |
+ states_free (); |
+ reduce_free (); |
+ conflicts_free (); |
+ grammar_free (); |
+ output_file_names_free (); |
+ |
+ /* The scanner memory cannot be released right after parsing, as it |
+ contains things such as user actions, prologue, epilogue etc. */ |
+ gram_scanner_free (); |
+ muscle_free (); |
+ uniqstrs_free (); |
+ code_scanner_free (); |
+ skel_scanner_free (); |
+ quotearg_free (); |
+ timevar_pop (TV_FREE); |
+ |
+ if (trace_flag & trace_bitsets) |
+ bitset_stats_dump (stderr); |
+ |
+ finish: |
+ |
+ /* Stop timing and print the times. */ |
+ timevar_stop (TV_TOTAL); |
+ timevar_print (stderr); |
+ |
+ return complaint_issued ? EXIT_FAILURE : EXIT_SUCCESS; |
+} |
Property changes on: bison\src\bison\2.4.1\bison-2.4.1-src\src\main.c |
___________________________________________________________________ |
Added: svn:eol-style |
+ LF |