(Type Clashes): Expect warnings, not complaints.

[bison.git] / src / main.c

diff --git a/src/main.c b/src/main.c
index 6b73f9eb67bb37c962f74fd624f1c8981d36549f..ce470f3a1c7d21195e821ee10905e7d4015bfec5 100644 (file)
--- a/src/main.c
+++ b/src/main.c
@@ -1,5 +1,5 @@
 /* Top level entry point of bison,
 /* Top level entry point of bison,

-   Copyright 1984, 1986, 1989, 1992, 1995, 2000, 2001, 2002
+   Copyright (C) 1984, 1986, 1989, 1992, 1995, 2000, 2001, 2002

    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.


@@ -24,6 +24,7 @@
 #include "bitset_stats.h"
 #include "bitset.h"
 #include "getargs.h"
 #include "bitset_stats.h"
 #include "bitset.h"
 #include "getargs.h"

+#include "struniq.h"

 #include "symtab.h"
 #include "gram.h"
 #include "files.h"
 #include "symtab.h"
 #include "gram.h"
 #include "files.h"


@@ -51,8 +52,10 @@ 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) textdomain (PACKAGE);
+
+  struniqs_new ();

 
   getargs (argc, argv);
 
 
   getargs (argc, argv);
 


@@ -73,8 +76,8 @@ 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 +87,8 @@ 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.


@@ -108,6 +111,14 @@ 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 +130,6 @@ 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)
     {


@@ -132,10 +138,15 @@ 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. */
+  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 the tables and the parser to ftable.  In file output.  */
   timevar_push (TV_PARSER);


@@ -143,18 +154,19 @@ 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 ();

+  struniqs_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
   /* If using alloca.c, flush the alloca'ed memory for the benefit of
      people running Bison as a library in IDEs.  */
 #if C_ALLOCA


@@ -165,9 +177,11 @@ main (int argc, char *argv[])
   if (trace_flag & trace_bitsets)
     bitset_stats_dump (stderr);
 
   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;

 }
 }