if (pos < 0)
goto error;
if (pos >= n) {
+ vars_drop(v, v->n - n);
isl_stream_error(s, tok, "unknown identifier");
goto error;
}
list = isl_pw_aff_list_concat(list,
isl_pw_aff_list_from_pw_aff(pwaff));
if (!list)
- return NULL;
+ goto error;
}
isl_space_free(dim);
new_name = p >= n;
}
- if (new_name) {
+ if (tok->type == '*') {
+ if (vars_add_anon(v) < 0)
+ goto error;
+ isl_token_free(tok);
+ } else if (new_name) {
res = tuple_set_dim_name(res, i, v->v->name);
isl_token_free(tok);
if (isl_stream_eat_if_available(s, '='))
n = isl_multi_pw_aff_dim(tuple, isl_dim_out);
space = isl_space_range(isl_multi_pw_aff_get_space(tuple));
+ if (!space)
+ goto error;
if (type == isl_dim_param) {
if (isl_space_has_tuple_name(space, isl_dim_set) ||
{
isl_set *cond;
+ left = isl_pw_aff_list_copy(left);
+ right = isl_pw_aff_list_copy(right);
if (rational) {
left = isl_pw_aff_list_set_rational(left);
right = isl_pw_aff_list_set_rational(right);
}
if (type == ISL_TOKEN_LE)
- cond = isl_pw_aff_list_le_set(isl_pw_aff_list_copy(left),
- isl_pw_aff_list_copy(right));
+ cond = isl_pw_aff_list_le_set(left, right);
else if (type == ISL_TOKEN_GE)
- cond = isl_pw_aff_list_ge_set(isl_pw_aff_list_copy(left),
- isl_pw_aff_list_copy(right));
+ cond = isl_pw_aff_list_ge_set(left, right);
else if (type == ISL_TOKEN_LT)
- cond = isl_pw_aff_list_lt_set(isl_pw_aff_list_copy(left),
- isl_pw_aff_list_copy(right));
+ cond = isl_pw_aff_list_lt_set(left, right);
else if (type == ISL_TOKEN_GT)
- cond = isl_pw_aff_list_gt_set(isl_pw_aff_list_copy(left),
- isl_pw_aff_list_copy(right));
+ cond = isl_pw_aff_list_gt_set(left, right);
else if (type == ISL_TOKEN_NE)
- cond = isl_pw_aff_list_ne_set(isl_pw_aff_list_copy(left),
- isl_pw_aff_list_copy(right));
+ cond = isl_pw_aff_list_ne_set(left, right);
else
- cond = isl_pw_aff_list_eq_set(isl_pw_aff_list_copy(left),
- isl_pw_aff_list_copy(right));
+ cond = isl_pw_aff_list_eq_set(left, right);
return isl_set_intersect(set, cond);
}
if (negate)
res = isl_map_subtract(isl_map_copy(map), res);
- while (isl_stream_eat_if_available(s, ISL_TOKEN_AND)) {
+ while (res && isl_stream_eat_if_available(s, ISL_TOKEN_AND)) {
isl_map *res_i;
negate = isl_stream_eat_if_available(s, ISL_TOKEN_NOT);
error:
if (tok)
isl_stream_push_token(s, tok);
- vars_free(v);
isl_set_free(dom);
return NULL;
}
return pma;
}
+/* Read an isl_union_pw_multi_aff from "s".
+ * We currently read a generic object and if it turns out to be a set or
+ * a map, we convert that to an isl_union_pw_multi_aff.
+ * It would be more efficient if we were to construct
+ * the isl_union_pw_multi_aff directly.
+ */
+__isl_give isl_union_pw_multi_aff *isl_stream_read_union_pw_multi_aff(
+ struct isl_stream *s)
+{
+ struct isl_obj obj;
+
+ obj = obj_read(s);
+ if (!obj.v)
+ return NULL;
+
+ if (obj.type == isl_obj_map || obj.type == isl_obj_set)
+ obj = to_union(s->ctx, obj);
+ if (obj.type == isl_obj_union_map)
+ return isl_union_pw_multi_aff_from_union_map(obj.v);
+ if (obj.type == isl_obj_union_set)
+ return isl_union_pw_multi_aff_from_union_set(obj.v);
+
+ obj.type->free(obj.v);
+ isl_die(s->ctx, isl_error_invalid, "unexpected object type",
+ return NULL);
+}
+
+/* Read an isl_union_pw_multi_aff from "str".
+ */
+__isl_give isl_union_pw_multi_aff *isl_union_pw_multi_aff_read_from_str(
+ isl_ctx *ctx, const char *str)
+{
+ isl_union_pw_multi_aff *upma;
+ struct isl_stream *s = isl_stream_new_str(ctx, str);
+ if (!s)
+ return NULL;
+ upma = isl_stream_read_union_pw_multi_aff(s);
+ isl_stream_free(s);
+ return upma;
+}
+
/* Assuming "pa" represents a single affine expression defined on a universe
* domain, extract this affine expression.
*/