Merge branch 'maint'

[bison.git] / lib / bbitset.h

diff --git a/lib/bbitset.h b/lib/bbitset.h
index 956fc5c6db371622f5ade957fac62da9c16b8d14..c4a74cf3755d7c811fd3d9a21ee5377129d2133d 100644 (file)
--- a/lib/bbitset.h
+++ b/lib/bbitset.h
@@ -1,20 +1,22 @@
 /* Base bitset stuff.
-   Copyright (C) 2002, 2003, 2004, 2006 Free Software Foundation, Inc.
+
+   Copyright (C) 2002-2004, 2006, 2009-2012 Free Software Foundation,
+   Inc.
+
    Contributed by Michael Hayes (m.hayes@elec.canterbury.ac.nz).
 
-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 2 of the License, 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.
 
-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.
+   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
-along with this program; if not, write to the Free Software
-Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #ifndef _BBITSET_H
 #define _BBITSET_H
@@ -30,9 +32,9 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
                   Memory for bit array and bitset structure allocated
                   contiguously.
    BITSET_LIST:   Linked list of arrays of bits (variable size, least storage
-                 for large very sparse sets).
+                  for large very sparse sets).
    BITSET_TABLE:  Expandable table of pointers to arrays of bits
-                 (variable size, less storage for large sparse sets).
+                  (variable size, less storage for large sparse sets).
                   Faster than BITSET_LIST for random access.
    BITSET_VARRAY: Variable array of bits (variable size, fast for
                   dense bitsets).
@@ -40,7 +42,7 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
                   statistics and/or better run-time checking.
 */
 enum bitset_type {BITSET_ARRAY, BITSET_LIST, BITSET_TABLE, BITSET_VARRAY,
-                 BITSET_TYPE_NUM, BITSET_STATS};
+                  BITSET_TYPE_NUM, BITSET_STATS};
 #define BITSET_TYPE_NAMES {"abitset", "lbitset", "ebitset", "vbitset"}
 
 extern const char * const bitset_type_names[];
@@ -76,19 +78,19 @@ typedef size_t bitset_windex;
 #define BITSET_LIST_SIZE 1024
 
 enum bitset_ops {BITSET_OP_ZERO, BITSET_OP_ONES,
-                BITSET_OP_COPY, BITSET_OP_NOT,
-                BITSET_OP_EMPTY_P, BITSET_OP_EQUAL_P,
-                BITSET_OP_SUBSET_P, BITSET_OP_DISJOINT_P,
-                BITSET_OP_AND, BITSET_OP_OR, BITSET_OP_XOR, BITSET_OP_ANDN,
-                BITSET_OP_OR_AND, BITSET_OP_AND_OR, BITSET_OP_ANDN_OR};
+                 BITSET_OP_COPY, BITSET_OP_NOT,
+                 BITSET_OP_EMPTY_P, BITSET_OP_EQUAL_P,
+                 BITSET_OP_SUBSET_P, BITSET_OP_DISJOINT_P,
+                 BITSET_OP_AND, BITSET_OP_OR, BITSET_OP_XOR, BITSET_OP_ANDN,
+                 BITSET_OP_OR_AND, BITSET_OP_AND_OR, BITSET_OP_ANDN_OR};
 
 struct bbitset_struct
 {
   const struct bitset_vtable *vtable;
-  bitset_windex cindex;                /* Cache word index.  */
-  bitset_windex csize;         /* Cache size in words.  */
-  bitset_word *cdata;          /* Cache data pointer.  */
-  bitset_bindex n_bits;                /* Number of bits.  */
+  bitset_windex cindex;         /* Cache word index.  */
+  bitset_windex csize;          /* Cache size in words.  */
+  bitset_word *cdata;           /* Cache data pointer.  */
+  bitset_bindex n_bits;         /* Number of bits.  */
   /* Perhaps we could sacrifice another word to indicate
      that the bitset is known to be zero, that a bit has been set
      in the cache, and that a bit has been cleared in the cache.
@@ -146,9 +148,9 @@ struct bitset_vtable
   bool (*or_and_cmp) (bitset, bitset, bitset, bitset);
 
   bitset_bindex (*list) (bitset, bitset_bindex *, bitset_bindex,
-                        bitset_bindex *);
+                         bitset_bindex *);
   bitset_bindex (*list_reverse) (bitset, bitset_bindex *, bitset_bindex,
-                                bitset_bindex *);
+                                 bitset_bindex *);
   void (*free) (bitset);
   enum bitset_type type;
 };