contrib/flex/tables.c

60 static flex_int32_t yytbl_data_geti (const struct yytbl_data *tbl, int i);
62 static flex_int32_t yytbl_data_getijk (const struct yytbl_data *tbl, int i,
100  *  @param tbl a pointer to an uninitialized table
339  * @param tbl data table
345 static flex_int32_t yytbl_data_getijk (const struct yytbl_data *tbl, int i,
351 	lo = tbl->td_lolen;
353 	switch (YYTDFLAGS2BYTES (tbl->td_flags)) {
355 		return ((flex_int8_t *) (tbl->td_data))[(i * lo + j) * (k + 1) +
358 		return ((flex_int16_t *) (tbl->td_data))[(i * lo + j) * (k +
362 		return ((flex_int32_t *) (tbl->td_data))[(i * lo + j) * (k +
377  * @param tbl data table
381 static flex_int32_t yytbl_data_geti (const struct yytbl_data *tbl, int i)
384 	switch (YYTDFLAGS2BYTES (tbl->td_flags)) {
386 		return ((flex_int8_t *) (tbl->td_data))[i];
388 		return ((flex_int16_t *) (tbl->td_data))[i];
390 		return ((flex_int32_t *) (tbl->td_data))[i];
401  * @param tbl data table
405 static void yytbl_data_seti (const struct yytbl_data *tbl, int i,
409 	switch (YYTDFLAGS2BYTES (tbl->td_flags)) {
411 		((flex_int8_t *) (tbl->td_data))[i] = (flex_int8_t) newval;
414 		((flex_int16_t *) (tbl->td_data))[i] = (flex_int16_t) newval;
417 		((flex_int32_t *) (tbl->td_data))[i] = (flex_int32_t) newval;
427  *  @param tbl  the data table
430 static size_t min_int_size (struct yytbl_data *tbl)
435 	total_len = yytbl_calc_total_len (tbl);
440 		n = abs (yytbl_data_geti (tbl, i));
461  * @param tbl the table to be compressed
463 void yytbl_data_compress (struct yytbl_data *tbl)
468 	yytbl_data_init (&newtbl, tbl->td_id);
469 	newtbl.td_hilen = tbl->td_hilen;
470 	newtbl.td_lolen = tbl->td_lolen;
471 	newtbl.td_flags = tbl->td_flags;
473 	newsz = min_int_size (tbl);
476 	if (newsz == (int) YYTDFLAGS2BYTES (tbl->td_flags))
480 	if (newsz > (int) YYTDFLAGS2BYTES (tbl->td_flags)) {
485 	total_len = yytbl_calc_total_len (tbl);
493 		g = yytbl_data_geti (tbl, i);
499 	free (tbl->td_data);
500 	*tbl = newtbl;