Merge branch 'maint'

[bison.git] / src / closure.h

diff --git a/src/closure.h b/src/closure.h
index fdf4cc5e8fd7b462ad03df14ba47e4b93b519655..0f96a8b2f60db174f93564bb6204177fb016cd89 100644 (file)
--- a/src/closure.h
+++ b/src/closure.h
@@ -1,57 +1,57 @@
 /* Subroutines for bison
 /* Subroutines for bison

-   Copyright 1984, 1989, 2000, 2001  Free Software Foundation, Inc.
+
+   Copyright (C) 1984, 1989, 2000-2002, 2007, 2009-2012 Free Software
+   Foundation, Inc.

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

-   Bison is free software; you can redistribute it and/or modify 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.
+   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
+   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, 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.
+   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
 
    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.  */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */

 
 #ifndef CLOSURE_H_
 # define CLOSURE_H_
 
 
 #ifndef CLOSURE_H_
 # define CLOSURE_H_
 

-/* Subroutines of file LR0.c. */
+# include "gram.h"

 
 /* Allocates the itemset and ruleset vectors, and precomputes useful
    data so that closure can be called.  n is the number of elements to
    allocate for itemset.  */
 
 
 /* Allocates the itemset and ruleset vectors, and precomputes useful
    data so that closure can be called.  n is the number of elements to
    allocate for itemset.  */
 

-void new_closure PARAMS ((int n));
+void new_closure (unsigned int n);

 
 
 
 

-/* Given the kernel (aka core) of a state (a vector of item numbers
-   ITEMS, of length N), set up ruleset and itemset to indicate what
+/* Given the kernel (aka core) of a state (a sorted vector of item numbers
+   ITEMS, of length N), set up RULESET and ITEMSET to indicate what

    rules could be run and which items could be accepted when those
    items are the active ones.
 
    rules could be run and which items could be accepted when those
    items are the active ones.
 

-   ruleset contains a bit for each rule.  closure sets the bits for
+   RULESET contains a bit for each rule.  CLOSURE sets the bits for

    all rules which could potentially describe the next input to be
    read.
 
    all rules which could potentially describe the next input to be
    read.
 

-   ITEMSET is a vector of item numbers; NITEMSET is its size
-   9actually, points to just beyond the end of the part of it that is
-   significant).  closure places there the indices of all items which
+   ITEMSET is a sorted vector of item numbers; NITEMSET is its size
+   (actually, points to just beyond the end of the part of it that is
+   significant).  CLOSURE places there the indices of all items which

    represent units of input that could arrive next.  */
 
    represent units of input that could arrive next.  */
 

-void closure PARAMS ((short *items, int n));
+void closure (item_number *items, size_t n);

 
 
 
 

-/* Frees itemset, ruleset and internal data.  */
+/* Frees ITEMSET, RULESET and internal data.  */

 
 

-void free_closure PARAMS ((void));
+void free_closure (void);

 
 

-extern short *itemset;
-extern int nitemset;
+extern item_number *itemset;
+extern size_t nitemset;

 
 #endif /* !CLOSURE_H_ */
 
 #endif /* !CLOSURE_H_ */