Port to SunOS 4.1.4, which lacks strtoul and strerror.

[bison.git] / src / main.c

diff --git a/src/main.c b/src/main.c
index b59e2978561c5c6846af3697b9615a51e516f2bc..65db7ca1bcf19d63c6cbbc8e0e50fc8a2f3b9838 100644 (file)
--- a/src/main.c
+++ b/src/main.c
@@ -1,5 +1,6 @@
-/* Top level entry point of bison,
-   Copyright 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.
    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
 
    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 "system.h"

-#include "bitset_stats.h"
-#include "bitset.h"
-#include "getargs.h"
-#include "symtab.h"
-#include "gram.h"
-#include "files.h"
+
+#include <bitset_stats.h>
+#include <bitset.h>
+#include <timevar.h>
+
+#include "LR0.h"

 #include "complain.h"
 #include "complain.h"

+#include "conflicts.h"

 #include "derives.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 "lalr.h"

-#include "reduce.h"
+#include "muscle_tab.h"

 #include "nullable.h"
 #include "nullable.h"

+#include "output.h"

 #include "print.h"
 #include "print.h"

-#include "LR0.h"
-#include "conflicts.h"

 #include "print_graph.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;
 
 /* 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, "");
 {
   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);
 
 
   getargs (argc, argv);
 

-  time_report = trace_flag & trace_time;
+  timevar_report = trace_flag & trace_time;

   init_timevar ();
   timevar_start (TV_TOTAL);
 
   init_timevar ();
   timevar_start (TV_TOTAL);
 


@@ -73,8 +81,8 @@ main (int argc, char *argv[])
   reader ();
   timevar_pop (TV_READER);
 
   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);
 
   /* Find useless nonterminals and productions and reduce the grammar. */
   timevar_push (TV_REDUCE);


@@ -84,8 +92,8 @@ main (int argc, char *argv[])
   /* Record other info about the grammar.  In files derives and
      nullable.  */
   timevar_push (TV_SETS);
   /* Record other info about the grammar.  In files derives and
      nullable.  */
   timevar_push (TV_SETS);

-  set_derives ();
-  set_nullable ();
+  derives_compute ();
+  nullable_compute ();

   timevar_pop (TV_SETS);
 
   /* Convert to nondeterministic finite state machine.  In file LR0.
   timevar_pop (TV_SETS);
 
   /* Convert to nondeterministic finite state machine.  In file LR0.


@@ -100,7 +108,7 @@ main (int argc, char *argv[])
   timevar_pop (TV_LALR);
 
   /* Find and record any conflicts: places where one token of
   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);
      conflicts.  Also resolve s/r conflicts based on precedence
      declarations.  */
   timevar_push (TV_CONFLICTS);


@@ -108,6 +116,14 @@ main (int argc, char *argv[])
   conflicts_print ();
   timevar_pop (TV_CONFLICTS);
 
   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 ();
 
   /* Output file names. */
   compute_output_file_names ();
 


@@ -119,11 +135,6 @@ main (int argc, char *argv[])
       timevar_pop (TV_REPORT);
     }
 
       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)
     {
   /* Output the VCG graph.  */
   if (graph_flag)
     {


@@ -132,12 +143,12 @@ main (int argc, char *argv[])
       timevar_pop (TV_GRAPH);
     }
 
       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);
   timevar_push (TV_FREE);
   lalr_free ();
   timevar_pop (TV_FREE);


@@ -148,31 +159,29 @@ main (int argc, char *argv[])
   timevar_pop (TV_PARSER);
 
   timevar_push (TV_FREE);
   timevar_pop (TV_PARSER);
 
   timevar_push (TV_FREE);

+  nullable_free ();
+  derives_free ();

   tables_free ();
   states_free ();
   reduce_free ();
   conflicts_free ();
   tables_free ();
   states_free ();
   reduce_free ();
   conflicts_free ();

-  free_nullable ();
-  free_derives ();

   grammar_free ();
 
   /* The scanner memory cannot be released right after parsing, as it
      contains things such as user actions, prologue, epilogue etc.  */
   scanner_free ();
   muscle_free ();
   grammar_free ();
 
   /* The scanner memory cannot be released right after parsing, as it
      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);
 
   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);
 
   /* 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;

 }
 }