X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/bb0027a9aca454a80f737e0c49df0a231c50b996..47671055438197794c88a6f7fb90acbc19fe413b:/src/main.c diff --git a/src/main.c b/src/main.c index c695ae5f..8769fef8 100644 --- a/src/main.c +++ b/src/main.c @@ -1,5 +1,6 @@ -/* Top level entry point of bison, - Copyright (C) 1984, 1986, 1989, 1992, 1995, 2000, 2001, 2002 +/* Top level entry point of Bison. + + Copyright (C) 1984, 1986, 1989, 1992, 1995, 2000, 2001, 2002, 2004, 2005 Free Software Foundation, Inc. This file is part of Bison, the GNU Compiler Compiler. @@ -16,30 +17,34 @@ 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., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ - + the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + Boston, MA 02110-1301, USA. */ +#include #include "system.h" -#include "bitset_stats.h" -#include "bitset.h" -#include "getargs.h" -#include "symtab.h" -#include "gram.h" -#include "files.h" + +#include +#include +#include + +#include "LR0.h" #include "complain.h" +#include "conflicts.h" #include "derives.h" -#include "tables.h" -#include "output.h" -#include "reader.h" +#include "files.h" +#include "getargs.h" +#include "gram.h" #include "lalr.h" -#include "reduce.h" +#include "muscle_tab.h" #include "nullable.h" +#include "output.h" #include "print.h" -#include "LR0.h" -#include "conflicts.h" #include "print_graph.h" -#include "muscle_tab.h" +#include "reader.h" +#include "reduce.h" +#include "symtab.h" +#include "tables.h" +#include "uniqstr.h" /* The name this program was run with, for messages. */ char *program_name; @@ -51,12 +56,15 @@ main (int argc, char *argv[]) { program_name = argv[0]; setlocale (LC_ALL, ""); - bindtextdomain (PACKAGE, LOCALEDIR); - textdomain (PACKAGE); + (void) bindtextdomain (PACKAGE, LOCALEDIR); + (void) bindtextdomain ("bison-runtime", LOCALEDIR); + (void) textdomain (PACKAGE); + + uniqstrs_new (); getargs (argc, argv); - time_report = trace_flag & trace_time; + timevar_report = trace_flag & trace_time; init_timevar (); timevar_start (TV_TOTAL); @@ -73,8 +81,8 @@ main (int argc, char *argv[]) reader (); timevar_pop (TV_READER); - if (complain_message_count) - exit (1); + if (complaint_issued) + goto finish; /* Find useless nonterminals and productions and reduce the grammar. */ timevar_push (TV_REDUCE); @@ -99,13 +107,8 @@ main (int argc, char *argv[]) lalr (); timevar_pop (TV_LALR); - timevar_push (TV_FREE); - nullable_free (); - derives_free (); - timevar_pop (TV_FREE); - /* Find and record any conflicts: places where one token of - lookahead is not enough to disambiguate the parsing. In file + look-ahead is not enough to disambiguate the parsing. In file conflicts. Also resolve s/r conflicts based on precedence declarations. */ timevar_push (TV_CONFLICTS); @@ -113,6 +116,14 @@ main (int argc, char *argv[]) conflicts_print (); timevar_pop (TV_CONFLICTS); + /* Compute the parser tables. */ + timevar_push (TV_ACTIONS); + tables_generate (); + timevar_pop (TV_ACTIONS); + + grammar_rules_never_reduced_report + (_("rule never reduced because of conflicts")); + /* Output file names. */ compute_output_file_names (); @@ -124,11 +135,6 @@ main (int argc, char *argv[]) timevar_pop (TV_REPORT); } - /* Stop if there were errors, to avoid trashing previous output - files. */ - if (complain_message_count) - exit (1); - /* Output the VCG graph. */ if (graph_flag) { @@ -137,12 +143,12 @@ main (int argc, char *argv[]) timevar_pop (TV_GRAPH); } - /* Compute the parser tables. */ - timevar_push (TV_ACTIONS); - tables_generate (); - timevar_pop (TV_ACTIONS); + /* Stop if there were errors, to avoid trashing previous output + files. */ + if (complaint_issued) + goto finish; - /* Lookaheads are no longer needed. */ + /* Look-ahead tokens are no longer needed. */ timevar_push (TV_FREE); lalr_free (); timevar_pop (TV_FREE); @@ -153,6 +159,8 @@ main (int argc, char *argv[]) timevar_pop (TV_PARSER); timevar_push (TV_FREE); + nullable_free (); + derives_free (); tables_free (); states_free (); reduce_free (); @@ -163,19 +171,17 @@ main (int argc, char *argv[]) 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 - alloca (0); -#endif + uniqstrs_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 complain_message_count ? EXIT_FAILURE : EXIT_SUCCESS; + return complaint_issued ? EXIT_FAILURE : EXIT_SUCCESS; }