X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/5beedd9b5893e470464830e733f3e0d8eb00c158..1c0c3e955d14f01df1089eb575b79058a1d08d37:/lib/bbitset.h

diff --git a/lib/bbitset.h b/lib/bbitset.h
index 455fbbcb..ff93b219 100644
--- a/lib/bbitset.h
+++ b/lib/bbitset.h
@@ -28,9 +28,9 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 /* Currently we support three flavours of bitsets:
    BITSET_ARRAY:  Array of bits (fixed size, fast for dense bitsets).
    BITSET_LIST:   Linked list of array of bits (variable size, least storage
-                  for large very sparse sets). 
-   BITSET_TABLE:  Expandable table of pointers to array of bits 
-                  (variable size, less storage for large sparse sets). 
+		  for large very sparse sets).
+   BITSET_TABLE:  Expandable table of pointers to array of bits
+		  (variable size, less storage for large sparse sets).
 
    BITSET_STATS:  Wrapper bitset for internal use only.
 */
@@ -73,11 +73,11 @@ 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, 
+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_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
@@ -94,65 +94,51 @@ struct bbitset_struct
 };
 
 
-typedef struct bitset_struct *bitset;
+typedef union bitset_union *bitset;
 
 
 /* The contents of this structure should be considered private.  */
 struct bitset_vtable
 {
-  void (*set) PARAMS ((struct bitset_struct *, bitset_bindex));
-  void (*reset) PARAMS ((struct bitset_struct *, bitset_bindex));
-  int (*toggle) PARAMS ((struct bitset_struct *, bitset_bindex));
-  int (*test) PARAMS ((struct bitset_struct *, bitset_bindex));
-  bitset_bindex (*size) PARAMS ((struct bitset_struct *));
-  bitset_bindex (*count) PARAMS ((struct bitset_struct *));
-
-  int (*empty_p) PARAMS ((struct bitset_struct *));
-  void (*ones) PARAMS ((struct bitset_struct *));
-  void (*zero) PARAMS ((struct bitset_struct *));
-
-  void (*copy) PARAMS ((struct bitset_struct *, struct bitset_struct *));
-  int (*disjoint_p) PARAMS ((struct bitset_struct *, struct bitset_struct *));
-  int (*equal_p) PARAMS ((struct bitset_struct *, struct bitset_struct *));
-  void (*not) PARAMS ((struct bitset_struct *, struct bitset_struct *));
-  int (*subset_p) PARAMS ((struct bitset_struct *, struct bitset_struct *));
-
-  void (*and) PARAMS ((struct bitset_struct *, struct bitset_struct *,
-		       struct bitset_struct *));
-  int (*and_cmp) PARAMS ((struct bitset_struct *, struct bitset_struct *,
-			  struct bitset_struct *));
-  void (*andn) PARAMS ((struct bitset_struct *, struct bitset_struct *,
-		       struct bitset_struct *));
-  int (*andn_cmp) PARAMS ((struct bitset_struct *, struct bitset_struct *,
-			   struct bitset_struct *));
-  void (*or) PARAMS ((struct bitset_struct *, struct bitset_struct *,
-		      struct bitset_struct *));
-  int (*or_cmp) PARAMS ((struct bitset_struct *, struct bitset_struct *,
-			 struct bitset_struct *));
-  void (*xor) PARAMS ((struct bitset_struct *, struct bitset_struct *,
-		      struct bitset_struct *));
-  int (*xor_cmp) PARAMS ((struct bitset_struct *, struct bitset_struct *,
-			  struct bitset_struct *));
-
-  void (*and_or) PARAMS ((struct bitset_struct *, struct bitset_struct *,
-			  struct bitset_struct *, struct bitset_struct *));
-  int (*and_or_cmp) PARAMS ((struct bitset_struct *, struct bitset_struct *,
-			 struct bitset_struct *, struct bitset_struct *));
-  void (*andn_or) PARAMS ((struct bitset_struct *, struct bitset_struct *,
-			  struct bitset_struct *, struct bitset_struct *));
-  int (*andn_or_cmp) PARAMS ((struct bitset_struct *, struct bitset_struct *,
-			      struct bitset_struct *, struct bitset_struct *));
-  void (*or_and) PARAMS ((struct bitset_struct *, struct bitset_struct *,
-			  struct bitset_struct *, struct bitset_struct *));
-  int (*or_and_cmp) PARAMS ((struct bitset_struct *, struct bitset_struct *,
-			     struct bitset_struct *, struct bitset_struct *));
-
-  bitset_bindex (*list) PARAMS ((struct bitset_struct *, bitset_bindex *,
+  void (*set) PARAMS ((bitset, bitset_bindex));
+  void (*reset) PARAMS ((bitset, bitset_bindex));
+  int (*toggle) PARAMS ((bitset, bitset_bindex));
+  int (*test) PARAMS ((bitset, bitset_bindex));
+  bitset_bindex (*size) PARAMS ((bitset));
+  bitset_bindex (*count) PARAMS ((bitset));
+
+  int (*empty_p) PARAMS ((bitset));
+  void (*ones) PARAMS ((bitset));
+  void (*zero) PARAMS ((bitset));
+
+  void (*copy) PARAMS ((bitset, bitset));
+  int (*disjoint_p) PARAMS ((bitset, bitset));
+  int (*equal_p) PARAMS ((bitset, bitset));
+  void (*not) PARAMS ((bitset, bitset));
+  int (*subset_p) PARAMS ((bitset, bitset));
+
+  void (*and) PARAMS ((bitset, bitset, bitset));
+  int (*and_cmp) PARAMS ((bitset, bitset, bitset));
+  void (*andn) PARAMS ((bitset, bitset, bitset));
+  int (*andn_cmp) PARAMS ((bitset, bitset, bitset));
+  void (*or) PARAMS ((bitset, bitset, bitset));
+  int (*or_cmp) PARAMS ((bitset, bitset, bitset));
+  void (*xor) PARAMS ((bitset, bitset, bitset));
+  int (*xor_cmp) PARAMS ((bitset, bitset, bitset));
+
+  void (*and_or) PARAMS ((bitset, bitset, bitset, bitset));
+  int (*and_or_cmp) PARAMS ((bitset, bitset, bitset, bitset));
+  void (*andn_or) PARAMS ((bitset, bitset, bitset, bitset));
+  int (*andn_or_cmp) PARAMS ((bitset, bitset, bitset, bitset));
+  void (*or_and) PARAMS ((bitset, bitset, bitset, bitset));
+  int (*or_and_cmp) PARAMS ((bitset, bitset, bitset, bitset));
+
+  bitset_bindex (*list) PARAMS ((bitset, bitset_bindex *,
 				 bitset_bindex, bitset_bindex *));
-  bitset_bindex (*list_reverse) PARAMS ((struct bitset_struct *,
+  bitset_bindex (*list_reverse) PARAMS ((bitset,
 					 bitset_bindex *, bitset_bindex,
 					 bitset_bindex *));
-  void (*free) PARAMS ((struct bitset_struct *));
+  void (*free) PARAMS ((bitset));
   enum bitset_type type;
 };
 
@@ -171,25 +157,25 @@ if (!BITSET_COMPATIBLE_ (DST, SRC1) || !BITSET_COMPATIBLE_ (DST, SRC2) \
 
 
 /* Return size in bits of bitset SRC.  */
-#define BITSET_SIZE_(SRC) (SRC)->b.vtable->size (SRC) 
+#define BITSET_SIZE_(SRC) (SRC)->b.vtable->size (SRC)
 
 /* Return number of bits set in bitset SRC.  */
-#define BITSET_COUNT_(SRC) (SRC)->b.vtable->count (SRC) 
+#define BITSET_COUNT_(SRC) (SRC)->b.vtable->count (SRC)
 
 /* Return type of bitset SRC.  */
-#define BITSET_TYPE_(DST) (DST)->b.vtable->type 
+#define BITSET_TYPE_(DST) (DST)->b.vtable->type
 
 /* Set bit BITNO in bitset DST.  */
-#define BITSET_SET_(DST, BITNO) (DST)->b.vtable->set (DST, BITNO) 
+#define BITSET_SET_(DST, BITNO) (DST)->b.vtable->set (DST, BITNO)
 
 /* Reset bit BITNO in bitset DST.  */
-#define BITSET_RESET_(DST, BITNO) (DST)->b.vtable->reset (DST, BITNO) 
+#define BITSET_RESET_(DST, BITNO) (DST)->b.vtable->reset (DST, BITNO)
 
 /* Toggle bit BITNO in bitset DST.  */
-#define BITSET_TOGGLE_(DST, BITNO) (DST)->b.vtable->toggle (DST, BITNO) 
+#define BITSET_TOGGLE_(DST, BITNO) (DST)->b.vtable->toggle (DST, BITNO)
 
 /* Return non-zero if bit BITNO in bitset SRC is set.  */
-#define BITSET_TEST_(SRC, BITNO) (SRC)->b.vtable->test (SRC, BITNO) 
+#define BITSET_TEST_(SRC, BITNO) (SRC)->b.vtable->test (SRC, BITNO)
 
 /* Free bitset SRC.  */
 #define BITSET_FREE_(SRC)\
@@ -263,31 +249,37 @@ if (!BITSET_COMPATIBLE_ (DST, SRC1) || !BITSET_COMPATIBLE_ (DST, SRC2) \
  (SRC1)->b.vtable->or_and_cmp (DST, SRC1, SRC2, SRC3)
 
 
-/* Find list of up to NUM bits set in BSET starting from and including 
+/* Find list of up to NUM bits set in BSET starting from and including
    *NEXT.  Return with actual number of bits found and with *NEXT
    indicating where search stopped.  */
 #define BITSET_LIST_(BSET, LIST, NUM, NEXT) \
- (BSET)->b.vtable->list (BSET, LIST, NUM, NEXT) 
+ (BSET)->b.vtable->list (BSET, LIST, NUM, NEXT)
 
 /* Find reverse list of up to NUM bits set in BSET starting from and
    including NEXT.  Return with actual number of bits found and with
    *NEXT indicating where search stopped.  */
 #define BITSET_LIST_REVERSE_(BSET, LIST, NUM, NEXT) \
- (BSET)->b.vtable->list_reverse (BSET, LIST, NUM, NEXT) 
+ (BSET)->b.vtable->list_reverse (BSET, LIST, NUM, NEXT)
 
 
 /* Private functions for bitset implementations.  */
- 
+
 extern int bitset_toggle_ PARAMS ((bitset, bitset_bindex));
 
 extern bitset_bindex bitset_count_ PARAMS ((bitset));
 
 extern int bitset_copy_ PARAMS ((bitset, bitset));
 
+extern void bitset_and_or_ PARAMS ((bitset, bitset, bitset, bitset));
+
 extern int bitset_and_or_cmp_ PARAMS ((bitset, bitset, bitset, bitset));
 
+extern void bitset_andn_or_ PARAMS ((bitset, bitset, bitset, bitset));
+
 extern int bitset_andn_or_cmp_ PARAMS ((bitset, bitset, bitset, bitset));
 
+extern void bitset_or_and_ PARAMS ((bitset, bitset, bitset, bitset));
+
 extern int bitset_or_and_cmp_ PARAMS ((bitset, bitset, bitset, bitset));
 
 #endif /* _BBITSET_H  */