Pacify "gcc -Wunused" for the input function from Flex.

[bison.git] / src / main.c

diff --git a/src/main.c b/src/main.c
index 9b472f1e9e538f7b2f780cccf30b61c4f62664ef..c8dc696efceb7cdcb262f24255785a2984c61fb7 100644 (file)
--- a/src/main.c
+++ b/src/main.c
@@ -1,7 +1,7 @@
 /* Top level entry point of Bison.
 
    Copyright (C) 1984, 1986, 1989, 1992, 1995, 2000, 2001, 2002, 2004,
-   2005, 2006, 2007 Free Software Foundation, Inc.
+   2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
 
@@ -35,7 +35,8 @@
 #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"
@@ -62,6 +63,7 @@ main (int argc, char *argv[])
   (void) textdomain (PACKAGE);
 
   uniqstrs_new ();
+  muscle_init ();
 
   getargs (argc, argv);
 
@@ -72,8 +74,6 @@ main (int argc, char *argv[])
   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.  */
@@ -103,10 +103,10 @@ main (int argc, char *argv[])
   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
      lookahead is not enough to disambiguate the parsing.  In file
@@ -114,8 +114,7 @@ main (int argc, char *argv[])
      declarations.  */
   timevar_push (TV_CONFLICTS);
   conflicts_solve ();
-  muscle_percent_define_default ("lr.keep_unreachable_states", "false");
-  if (!muscle_percent_define_flag_if ("lr.keep_unreachable_states"))
+  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;