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tests: check token numbers.
[bison.git]
/
src
/
main.c
diff --git
a/src/main.c
b/src/main.c
index ba594b47f1303a2f7784f2098c26e6d8defc6f99..c8dc696efceb7cdcb262f24255785a2984c61fb7 100644
(file)
--- a/
src/main.c
+++ b/
src/main.c
@@
-1,30
+1,30
@@
/* Top level entry point of Bison.
/* Top level entry point of Bison.
- Copyright (C) 1984, 1986, 1989, 1992, 1995, 2000, 2001, 2002, 2004
- Free Software Foundation, Inc.
+ Copyright (C) 1984, 1986, 1989, 1992, 1995, 2000, 2001, 2002, 2004
,
+
2005, 2006, 2007, 2008, 2009
Free Software Foundation, Inc.
This file is part of Bison, the GNU Compiler Compiler.
This file is part of Bison, the GNU Compiler Compiler.
-
Bison is free software;
you can redistribute it and/or modify
+
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
it under the terms of the GNU General Public License as published by
- the Free Software Foundation
; either version 2, or (at your option)
- any later version.
+ the Free Software Foundation
, either version 3 of the License, or
+
(at your option)
any later version.
-
Bison
is distributed in the hope that it will be useful,
+
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
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 Bison; see the file COPYING. If not, write to
- the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
- Boston, MA 02110-1301, USA. */
-
+ 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 "system.h"
#include <bitset_stats.h>
#include <bitset.h>
+#include <configmake.h>
+#include <quotearg.h>
#include <timevar.h>
#include "LR0.h"
#include <timevar.h>
#include "LR0.h"
@@
-35,20
+35,22
@@
#include "getargs.h"
#include "gram.h"
#include "lalr.h"
#include "getargs.h"
#include "gram.h"
#include "lalr.h"
-#include "muscle_tab.h"
+#include "ielr.h"
+#include "muscle-tab.h"
#include "nullable.h"
#include "output.h"
#include "print.h"
#include "print_graph.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 "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"
#include "symtab.h"
#include "tables.h"
#include "uniqstr.h"
-/* The name this program was run with, for messages. */
-char *program_name;
-
int
int
@@
-61,6
+63,7
@@
main (int argc, char *argv[])
(void) textdomain (PACKAGE);
uniqstrs_new ();
(void) textdomain (PACKAGE);
uniqstrs_new ();
+ muscle_init ();
getargs (argc, argv);
getargs (argc, argv);
@@
-71,8
+74,6
@@
main (int argc, char *argv[])
if (trace_flag & trace_bitsets)
bitset_stats_enable ();
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. */
/* 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. */
@@
-102,17
+103,26
@@
main (int argc, char *argv[])
generate_states ();
timevar_pop (TV_LR0);
generate_states ();
timevar_pop (TV_LR0);
- /*
make it deterministic. In file lalr. */
- timevar_push (TV_LALR);
- lalr ();
-
timevar_pop (TV_LALR
);
+ /*
Make it deterministic by computing lookahead sets. Except when LALR(1) is
+ requested, split states to eliminate LR(1)-relative inadequacies. In file
+ lalr and ielr. */
+
ielr (
);
/* Find and record any conflicts: places where one token of
/* Find and record any conflicts: places where one token of
- look
-
ahead is not enough to disambiguate the parsing. In file
+ 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 ();
conflicts. Also resolve s/r conflicts based on precedence
declarations. */
timevar_push (TV_CONFLICTS);
conflicts_solve ();
+ 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);
conflicts_print ();
timevar_pop (TV_CONFLICTS);
@@
-121,8
+131,8
@@
main (int argc, char *argv[])
tables_generate ();
timevar_pop (TV_ACTIONS);
tables_generate ();
timevar_pop (TV_ACTIONS);
- grammar_rules_
never_reduced
_report
- (_("rule
never reduced because of
conflicts"));
+ grammar_rules_
useless
_report
+ (_("rule
useless in parser due to
conflicts"));
/* Output file names. */
compute_output_file_names ();
/* Output file names. */
compute_output_file_names ();
@@
-135,7
+145,7
@@
main (int argc, char *argv[])
timevar_pop (TV_REPORT);
}
timevar_pop (TV_REPORT);
}
- /* Output the
VCG
graph. */
+ /* Output the graph. */
if (graph_flag)
{
timevar_push (TV_GRAPH);
if (graph_flag)
{
timevar_push (TV_GRAPH);
@@
-143,12
+153,20
@@
main (int argc, char *argv[])
timevar_pop (TV_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;
/* Stop if there were errors, to avoid trashing previous output
files. */
if (complaint_issued)
goto finish;
- /* Look
-
ahead tokens are no longer needed. */
+ /* Lookahead tokens are no longer needed. */
timevar_push (TV_FREE);
lalr_free ();
timevar_pop (TV_FREE);
timevar_push (TV_FREE);
lalr_free ();
timevar_pop (TV_FREE);
@@
-166,20
+184,16
@@
main (int argc, char *argv[])
reduce_free ();
conflicts_free ();
grammar_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. */
/* The scanner memory cannot be released right after parsing, as it
contains things such as user actions, prologue, epilogue etc. */
- scanner_free ();
+
gram_
scanner_free ();
muscle_free ();
uniqstrs_free ();
muscle_free ();
uniqstrs_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
- {
- extern void *alloca (size_t);
- alloca (0);
- }
-#endif
+ code_scanner_free ();
+ skel_scanner_free ();
+ quotearg_free ();
timevar_pop (TV_FREE);
if (trace_flag & trace_bitsets)
timevar_pop (TV_FREE);
if (trace_flag & trace_bitsets)