#include <glib.h>
-typedef struct MonoBitSet MonoBitSet;
+/*
+ * When embedding, you have to define MONO_ZERO_LEN_ARRAY before including any
+ * other Mono header file if you use a different compiler from the one used to
+ * build Mono.
+ */
+#ifndef MONO_ZERO_LEN_ARRAY
+#ifdef __GNUC__
+#define MONO_ZERO_LEN_ARRAY 0
+#else
+#define MONO_ZERO_LEN_ARRAY 1
+#endif
+#endif
+
+#define MONO_BITSET_BITS_PER_CHUNK (8 * sizeof (gsize))
+
+typedef struct {
+ gsize size;
+ gsize flags;
+ gsize data [MONO_ZERO_LEN_ARRAY];
+} MonoBitSet;
+
typedef void (*MonoBitSetFunc) (guint idx, gpointer data);
enum {
MONO_BITSET_DONT_FREE = 1
};
-#define MONO_BITSET_BITS_PER_CHUNK (8 * sizeof (gsize))
-
/* Fast access to bits which depends on the implementation of the bitset */
-#define mono_bitset_test_fast(set,n) (((gsize*)set)[2+(n)/MONO_BITSET_BITS_PER_CHUNK] & ((gsize)1 << ((n) % MONO_BITSET_BITS_PER_CHUNK)))
-#define mono_bitset_set_fast(set,n) do { ((gsize*)set)[2+(n)/MONO_BITSET_BITS_PER_CHUNK] |= ((gsize)1 << ((n) % MONO_BITSET_BITS_PER_CHUNK)); } while (0)
-#define mono_bitset_clear_fast(set,n) do { ((gsize*)set)[2+(n)/MONO_BITSET_BITS_PER_CHUNK] &= ~((gsize)1 << ((n) % MONO_BITSET_BITS_PER_CHUNK)); } while (0)
-#define mono_bitset_get_fast(set,n) (((gsize*)set)[2+(n)])
+#define mono_bitset_test_fast(set,n) ((set)->data [(n)/MONO_BITSET_BITS_PER_CHUNK] & ((gsize)1 << ((n) % MONO_BITSET_BITS_PER_CHUNK)))
+#define mono_bitset_test_fast(set,n) ((set)->data [(n)/MONO_BITSET_BITS_PER_CHUNK] & ((gsize)1 << ((n) % MONO_BITSET_BITS_PER_CHUNK)))
+#define mono_bitset_set_fast(set,n) do { (set)->data [(n)/MONO_BITSET_BITS_PER_CHUNK] |= ((gsize)1 << ((n) % MONO_BITSET_BITS_PER_CHUNK)); } while (0)
+#define mono_bitset_clear_fast(set,n) do { (set)->data [(n)/MONO_BITSET_BITS_PER_CHUNK] &= ~((gsize)1 << ((n) % MONO_BITSET_BITS_PER_CHUNK)); } while (0)
+#define mono_bitset_get_fast(set,n) ((set)->data[(n)])
+
+#define mono_bitset_copyto_fast(src,dest) do { memcpy (&(dest)->data, &(src)->data, (dest)->size / 8); } while (0)
+
+#define mono_bitset_union_fast(dest,src) do { \
+ MonoBitSet *tmp_src = (src); \
+ MonoBitSet *tmp_dest = (dest); \
+ int i, size; \
+ size = tmp_dest->size / MONO_BITSET_BITS_PER_CHUNK; \
+ for (i = 0; i < size; ++i) \
+ tmp_dest->data [i] |= tmp_src->data [i]; \
+} while (0)
+
+#define mono_bitset_sub_fast(dest,src) do { \
+ MonoBitSet *tmp_src = (src); \
+ MonoBitSet *tmp_dest = (dest); \
+ int i, size; \
+ size = tmp_dest->size / MONO_BITSET_BITS_PER_CHUNK; \
+ for (i = 0; i < size; ++i) \
+ tmp_dest->data [i] &= ~tmp_src->data [i]; \
+} while (0)
/*
* Interface documentation can be found in the c-file.