X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/5ca3209b44b086e21ba82f038e8b82b40c6f33cc..2cbd078f5153288a39cbf046231a3870df8170cb:/src/main.c?ds=sidebyside diff --git a/src/main.c b/src/main.c index dc28693f..cd68c903 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 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 "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; @@ -54,9 +59,11 @@ main (int argc, char *argv[]) (void) bindtextdomain (PACKAGE, 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); @@ -74,7 +81,7 @@ main (int argc, char *argv[]) timevar_pop (TV_READER); if (complaint_issued) - exit (EXIT_FAILURE); + goto finish; /* Find useless nonterminals and productions and reduce the grammar. */ timevar_push (TV_REDUCE); @@ -100,7 +107,7 @@ main (int argc, char *argv[]) timevar_pop (TV_LALR); /* 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); @@ -138,9 +145,9 @@ main (int argc, char *argv[]) /* Stop if there were errors, to avoid trashing previous output files. */ if (complaint_issued) - exit (EXIT_FAILURE); + goto finish; - /* Lookaheads are no longer needed. */ + /* Look-ahead tokens are no longer needed. */ timevar_push (TV_FREE); lalr_free (); timevar_pop (TV_FREE); @@ -163,24 +170,25 @@ main (int argc, char *argv[]) contains things such as user actions, prologue, epilogue etc. */ scanner_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 - alloca (0); + { + extern void *alloca (size_t); + alloca (0); + } #endif 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); - /* Some ancient SunOS versions exit (0) if main returns, so use - `exit' to exit with nonzero status. */ - if (complaint_issued) - exit (EXIT_FAILURE); - - return EXIT_SUCCESS; + return complaint_issued ? EXIT_FAILURE : EXIT_SUCCESS; }