b4_args is more general than only C++.

[bison.git] / src / lalr.h

diff --git a/src/lalr.h b/src/lalr.h
index fe148d035fdabd64a5672188d83404f697ed6463..c65c9b48803ad79d079d2c0cb8f11ffaabf0e8af 100644 (file)
--- a/src/lalr.h
+++ b/src/lalr.h
@@ -1,24 +1,22 @@
 /* Compute lookahead criteria for bison,
 
 /* Compute lookahead criteria for bison,
 

-   Copyright (C) 1984, 1986, 1989, 2000, 2002, 2004, 2006 Free Software
+   Copyright (C) 1984, 1986, 1989, 2000, 2002, 2004, 2006, 2007 Free Software

    Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
 
    Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
 

-   Bison is free software; you can redistribute it and/or modify
+   This program is free software: you can redistribute it and/or modify

    it under the terms of the GNU General Public License as published by
    it under the terms of the GNU General Public License as published by

-   the Free Software Foundation; either version 2, or (at your option)
-   any later version.
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.

 
 

-   Bison is distributed in the hope that it will be useful,
+   This program is distributed in the hope that it will be useful,

    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
 
    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., 51 Franklin Street, Fifth Floor,
-   Boston, MA 02110-1301, USA.  */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */

 
 #ifndef LALR_H_
 # define LALR_H_
 
 #ifndef LALR_H_
 # define LALR_H_


@@ -46,6 +44,18 @@
 */
 void lalr (void);
 
 */
 void lalr (void);
 

+/**
+ * Update state numbers recorded in #goto_map, #from_state, and #to_state such
+ * that:
+ *   - \c nstates_old is the old number of states.
+ *   - Where \c i is the old state number, <tt>old_to_new[i]</tt> is either:
+ *     - \c nstates_old if state \c i is removed because it is unreachable.
+ *       Thus, remove all goto entries involving this state.
+ *     - The new state number.
+ */
+void lalr_update_state_numbers (state_number old_to_new[],
+                                state_number nstates_old);
+

 
 /** Release the information related to lookahead tokens.
 
 
 /** Release the information related to lookahead tokens.