const char * const bitset_type_names[] = BITSET_TYPE_NAMES;
-static void bitset_print PARAMS ((FILE *, bitset, int));
-
/* Return number of bytes required to create a N_BIT bitset
of TYPE. The bitset may grow to require more bytes than this. */
size_t
-bitset_bytes (type, n_bits)
- enum bitset_type type;
- bitset_bindex n_bits;
+bitset_bytes (enum bitset_type type, bitset_bindex n_bits)
{
size_t bytes;
/* Initialise bitset BSET of TYPE for N_BITS. */
bitset
-bitset_init (bset, n_bits, type)
- bitset bset;
- bitset_bindex n_bits;
- enum bitset_type type;
+bitset_init (bitset bset, bitset_bindex n_bits, enum bitset_type type)
{
if (bitset_stats_enabled)
return bitset_stats_init (bset, n_bits, type);
-
+
switch (type)
{
case BITSET_ARRAY:
specified by ATTR. For variable size bitsets, N_BITS is only a
hint and may be zero. */
enum bitset_type
-bitset_type_choose (n_bits, attr)
- bitset_bindex n_bits ATTRIBUTE_UNUSED;
- unsigned int attr;
+bitset_type_choose (bitset_bindex n_bits ATTRIBUTE_UNUSED, unsigned int attr)
{
enum bitset_type type;
/* Create a bitset of N_BITS of type TYPE. */
bitset
-bitset_alloc (n_bits, type)
- bitset_bindex n_bits;
- enum bitset_type type;
+bitset_alloc (bitset_bindex n_bits, enum bitset_type type)
{
size_t bytes;
bitset bset;
/* Create a bitset of N_BITS of type TYPE. */
bitset
-bitset_obstack_alloc (bobstack, n_bits, type)
- struct obstack *bobstack;
- bitset_bindex n_bits;
- enum bitset_type type;
+bitset_obstack_alloc (struct obstack *bobstack,
+ bitset_bindex n_bits, enum bitset_type type)
{
size_t bytes;
bitset bset;
/* Create a bitset of N_BITS and with attribute hints specified by
ATTR. */
bitset
-bitset_create (n_bits, attr)
- bitset_bindex n_bits;
- unsigned int attr;
+bitset_create (bitset_bindex n_bits, unsigned int attr)
{
enum bitset_type type;
/* Free bitset BSET. */
void
-bitset_free (bset)
- bitset bset;
+bitset_free (bitset bset)
{
BITSET_FREE_ (bset);
free (bset);
/* Free bitset BSET allocated on obstack. */
void
-bitset_obstack_free (bset)
- bitset bset;
+bitset_obstack_free (bitset bset)
{
BITSET_FREE_ (bset);
}
/* Return bitset type. */
enum bitset_type
-bitset_type_get (bset)
- bitset bset;
+bitset_type_get (bitset bset)
{
enum bitset_type type;
type = BITSET_TYPE_ (bset);
if (type != BITSET_STATS)
return type;
-
+
return bitset_stats_type_get (bset);
}
/* Return name of bitset type. */
const char *
-bitset_type_name_get (bset)
- bitset bset;
+bitset_type_name_get (bitset bset)
{
enum bitset_type type;
/* Find next bit set in SRC starting from and including BITNO.
Return BITSET_BINDEX_MAX if SRC empty. */
bitset_bindex
-bitset_next (src, bitno)
- bitset src;
- bitset_bindex bitno;
+bitset_next (bitset src, bitset_bindex bitno)
{
bitset_bindex val;
bitset_bindex next = bitno;
/* Find previous bit set in SRC starting from and including BITNO.
Return BITSET_BINDEX_MAX if SRC empty. */
bitset_bindex
-bitset_prev (src, bitno)
- bitset src;
- bitset_bindex bitno;
+bitset_prev (bitset src, bitset_bindex bitno)
{
bitset_bindex val;
bitset_bindex next = bitno;
/* Find first set bit. */
bitset_bindex
-bitset_first (src)
- bitset src;
+bitset_first (bitset src)
{
return bitset_next (src, 0);
}
/* Find last set bit. */
bitset_bindex
-bitset_last (src)
- bitset src;
+bitset_last (bitset src)
{
return bitset_prev (src, 0);
}
/* Return non-zero if BITNO in SRC is the only set bit. */
int
-bitset_only_set_p (src, bitno)
- bitset src;
- bitset_bindex bitno;
+bitset_only_set_p (bitset src, bitset_bindex bitno)
{
bitset_bindex val[2];
bitset_bindex next = 0;
/* Print contents of bitset BSET to FILE. */
static void
-bitset_print (file, bset, verbose)
- FILE *file;
- bitset bset;
- int verbose;
+bitset_print (FILE *file, bitset bset, int verbose)
{
unsigned int pos;
bitset_bindex i;
/* Dump bitset BSET to FILE. */
void
-bitset_dump (file, bset)
- FILE *file;
- bitset bset;
+bitset_dump (FILE *file, bitset bset)
{
bitset_print (file, bset, 0);
}
/* Release memory associated with bitsets. */
void
-bitset_release_memory ()
+bitset_release_memory (void)
{
lbitset_release_memory ();
ebitset_release_memory ();
/* Toggle bit BITNO in bitset BSET and return non-zero if not set. */
int
-bitset_toggle_ (bset, bitno)
- bitset bset;
- bitset_bindex bitno;
+bitset_toggle_ (bitset bset, bitset_bindex bitno)
{
/* This routine is for completeness. It could be optimized if
required. */
/* Return number of bits set in bitset SRC. */
bitset_bindex
-bitset_count_ (src)
- bitset src;
+bitset_count_ (bitset src)
{
bitset_bindex list[BITSET_LIST_SIZE];
bitset_bindex next;
bitset_bindex num;
bitset_bindex count;
-
+
/* This could be greatly sped up by adding a count method for each
bitset implementation that uses a direct technique (based on
masks) for counting the number of bits set in a word. */
for (count = 0; (num = bitset_list (src, list, BITSET_LIST_SIZE, &next));
count += num)
continue;
-
+
return count;
}
-/* DST = SRC. Return non-zero if DST != SRC.
+/* DST = SRC. Return non-zero if DST != SRC.
This is a fallback for the case where SRC and DST are different
bitset types. */
int
-bitset_copy_ (dst, src)
- bitset dst;
- bitset src;
+bitset_copy_ (bitset dst, bitset src)
{
bitset_bindex i;
bitset_iterator iter;
/* This is a fallback for implementations that do not support
four operand operations. */
static inline int
-bitset_op4_cmp (dst, src1, src2, src3, op)
- bitset dst;
- bitset src1;
- bitset src2;
- bitset src3;
- enum bitset_ops op;
+bitset_op4_cmp (bitset dst, bitset src1, bitset src2, bitset src3,
+ enum bitset_ops op)
{
int changed = 0;
int stats_enabled_save;
}
+/* DST = (SRC1 & SRC2) | SRC3. */
+void
+bitset_and_or_ (bitset dst, bitset src1, bitset src2, bitset src3)
+{
+ bitset_and_or_cmp_ (dst, src1, src2, src3);
+}
+
+
/* DST = (SRC1 & SRC2) | SRC3. Return non-zero if
DST != (SRC1 & SRC2) | SRC3. */
int
-bitset_and_or_cmp_ (dst, src1, src2, src3)
- bitset dst;
- bitset src1;
- bitset src2;
- bitset src3;
+bitset_and_or_cmp_ (bitset dst, bitset src1, bitset src2, bitset src3)
{
return bitset_op4_cmp (dst, src1, src2, src3, BITSET_OP_AND_OR);
}
+/* DST = (SRC1 & ~SRC2) | SRC3. */
+void
+bitset_andn_or_ (bitset dst, bitset src1, bitset src2, bitset src3)
+{
+ bitset_andn_or_cmp_ (dst, src1, src2, src3);
+}
+
+
/* DST = (SRC1 & ~SRC2) | SRC3. Return non-zero if
DST != (SRC1 & ~SRC2) | SRC3. */
int
-bitset_andn_or_cmp_ (dst, src1, src2, src3)
- bitset dst;
- bitset src1;
- bitset src2;
- bitset src3;
+bitset_andn_or_cmp_ (bitset dst, bitset src1, bitset src2, bitset src3)
{
return bitset_op4_cmp (dst, src1, src2, src3, BITSET_OP_ANDN_OR);
}
+/* DST = (SRC1 | SRC2) & SRC3. */
+void
+bitset_or_and_ (bitset dst, bitset src1, bitset src2, bitset src3)
+{
+ bitset_or_and_cmp_ (dst, src1, src2, src3);
+}
+
+
/* DST = (SRC1 | SRC2) & SRC3. Return non-zero if
DST != (SRC1 | SRC2) & SRC3. */
int
-bitset_or_and_cmp_ (dst, src1, src2, src3)
- bitset dst;
- bitset src1;
- bitset src2;
- bitset src3;
+bitset_or_and_cmp_ (bitset dst, bitset src1, bitset src2, bitset src3)
{
return bitset_op4_cmp (dst, src1, src2, src3, BITSET_OP_OR_AND);
}
/* Function to be called from debugger to print bitset. */
void
-debug_bitset (bset)
- bitset bset;
+debug_bitset (bitset bset)
{
if (bset)
bitset_print (stderr, bset, 1);
projects / bison.git / blobdiff