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Unified Diff: bison/src/bison/2.4.1/bison-2.4.1-src/src/main.c

Issue 10807020: Add native Windows binary for bison. (Closed) Base URL: svn://chrome-svn/chrome/trunk/deps/third_party/
Patch Set: Created 8 years, 5 months ago
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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
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