return pos;
}
-static struct vars *read_var_list(struct isl_stream *s, struct vars *v)
+static __isl_give isl_basic_map *set_name(__isl_take isl_basic_map *bmap,
+ enum isl_dim_type type, unsigned pos, char *name)
{
- struct isl_token *tok;
-
- while ((tok = isl_stream_next_token(s)) != NULL) {
- int p;
- int n = v->n;
+ char *prime;
- if (tok->type != ISL_TOKEN_IDENT)
- break;
+ if (!bmap)
+ return NULL;
+ if (!name)
+ return bmap;
- p = vars_pos(v, tok->u.s, -1);
- if (p < 0)
- goto error;
- if (p < n) {
- isl_stream_error(s, tok, "expecting unique identifier");
- goto error;
- }
- isl_token_free(tok);
- tok = isl_stream_next_token(s);
- if (!tok || tok->type != ',')
- break;
+ prime = strchr(name, '\'');
+ if (prime)
+ *prime = '\0';
+ bmap->dim = isl_dim_set_name(bmap->dim, type, pos, name);
+ if (prime)
+ *prime = '\'';
- isl_token_free(tok);
- }
- if (tok)
- isl_stream_push_token(s, tok);
+ if (!bmap->dim)
+ goto error;
- return v;
+ return bmap;
error:
- isl_token_free(tok);
- vars_free(v);
+ isl_basic_map_free(bmap);
return NULL;
}
return NULL;
}
+static __isl_give isl_basic_map *read_var_list(struct isl_stream *s,
+ __isl_take isl_basic_map *bmap, enum isl_dim_type type, struct vars *v)
+{
+ int i = 0;
+ struct isl_token *tok;
+
+ while ((tok = isl_stream_next_token(s)) != NULL) {
+ int new_name = 0;
+
+ if (tok->type == ISL_TOKEN_IDENT) {
+ int n = v->n;
+ int p = vars_pos(v, tok->u.s, -1);
+ if (p < 0)
+ goto error;
+ new_name = p >= n;
+ }
+
+ if (new_name) {
+ bmap = isl_basic_map_add(bmap, type, 1);
+ bmap = set_name(bmap, type, i, v->v->name);
+ isl_token_free(tok);
+ } else if (tok->type == ISL_TOKEN_IDENT ||
+ tok->type == ISL_TOKEN_VALUE) {
+ struct isl_vec *vec;
+ int k;
+ if (type == isl_dim_param) {
+ isl_stream_error(s, tok,
+ "expecting unique identifier");
+ goto error;
+ }
+ isl_stream_push_token(s, tok);
+ tok = NULL;
+ vec = accept_affine(s, v);
+ if (!vec)
+ goto error;
+ v->v = variable_new(v, "", 0, v->n);
+ if (!v->v)
+ goto error;
+ v->n++;
+ bmap = isl_basic_map_add(bmap, type, 1);
+ bmap = isl_basic_map_extend_constraints(bmap, 1, 0);
+ k = isl_basic_map_alloc_equality(bmap);
+ if (k >= 0) {
+ isl_seq_cpy(bmap->eq[k], vec->el, vec->size);
+ isl_int_set_si(bmap->eq[k][vec->size], -1);
+ }
+ isl_vec_free(vec);
+ if (k < 0)
+ goto error;
+ } else
+ break;
+
+ tok = isl_stream_next_token(s);
+ if (!tok || tok->type != ',')
+ break;
+
+ isl_token_free(tok);
+ i++;
+ }
+ if (tok)
+ isl_stream_push_token(s, tok);
+
+ return bmap;
+error:
+ isl_token_free(tok);
+ isl_basic_map_free(bmap);
+ return NULL;
+}
+
static __isl_give isl_mat *accept_affine_list(struct isl_stream *s,
struct vars *v)
{
return NULL;
}
-static struct vars *read_tuple(struct isl_stream *s, struct vars *v)
+static __isl_give isl_basic_map *read_tuple(struct isl_stream *s,
+ __isl_take isl_basic_map *bmap, enum isl_dim_type type, struct vars *v)
{
struct isl_token *tok;
goto error;
}
isl_token_free(tok);
- v = read_var_list(s, v);
+ bmap = read_var_list(s, bmap, type, v);
tok = isl_stream_next_token(s);
if (!tok || tok->type != ']') {
isl_stream_error(s, tok, "expecting ']'");
}
isl_token_free(tok);
- return v;
+ return bmap;
error:
if (tok)
isl_token_free(tok);
- vars_free(v);
+ isl_basic_map_free(bmap);
return NULL;
}
return NULL;
}
+static int is_comparator(struct isl_token *tok)
+{
+ if (!tok)
+ return 0;
+
+ switch (tok->type) {
+ case ISL_TOKEN_LT:
+ case ISL_TOKEN_GT:
+ case ISL_TOKEN_LE:
+ case ISL_TOKEN_GE:
+ case '=':
+ return 1;
+ default:
+ return 0;
+ }
+}
+
static struct isl_basic_map *add_constraint(struct isl_stream *s,
struct vars *v, struct isl_basic_map *bmap)
{
if (!aff1)
goto error;
tok = isl_stream_next_token(s);
- switch (tok->type) {
- case ISL_TOKEN_LT:
- case ISL_TOKEN_GT:
- case ISL_TOKEN_LE:
- case ISL_TOKEN_GE:
- case '=':
- break;
- default:
+ if (!is_comparator(tok)) {
isl_stream_error(s, tok, "missing operator");
- isl_stream_push_token(s, tok);
+ if (tok)
+ isl_stream_push_token(s, tok);
tok = NULL;
goto error;
}
- aff2 = accept_affine_list(s, v);
- if (!aff2)
- goto error;
isl_assert(aff1->ctx, aff1->n_col == 1 + total, goto error);
- isl_assert(aff2->ctx, aff2->n_col == 1 + total, goto error);
+ for (;;) {
+ aff2 = accept_affine_list(s, v);
+ if (!aff2)
+ goto error;
+ isl_assert(aff2->ctx, aff2->n_col == 1 + total, goto error);
- bmap = isl_basic_map_extend_constraints(bmap, 0, aff1->n_row * aff2->n_row);
- for (i = 0; i < aff1->n_row; ++i)
- for (j = 0; j < aff2->n_row; ++j)
- bmap = construct_constraint(bmap, tok->type,
+ bmap = isl_basic_map_extend_constraints(bmap, 0,
+ aff1->n_row * aff2->n_row);
+ for (i = 0; i < aff1->n_row; ++i)
+ for (j = 0; j < aff2->n_row; ++j)
+ bmap = construct_constraint(bmap, tok->type,
aff1->row[i], aff2->row[j]);
- isl_token_free(tok);
+ isl_token_free(tok);
+ isl_mat_free(aff1);
+ aff1 = aff2;
+
+ tok = isl_stream_next_token(s);
+ if (!is_comparator(tok)) {
+ if (tok)
+ isl_stream_push_token(s, tok);
+ break;
+ }
+ }
isl_mat_free(aff1);
- isl_mat_free(aff2);
return bmap;
error:
static struct isl_basic_map *read_disjunct(struct isl_stream *s,
struct vars *v, __isl_take isl_dim *dim)
{
+ int seen_paren = 0;
+ struct isl_token *tok;
struct isl_basic_map *bmap;
bmap = isl_basic_map_alloc_dim(dim, 0, 0, 0);
if (!bmap)
return NULL;
+ tok = isl_stream_next_token(s);
+ if (!tok)
+ goto error;
+ if (tok->type == '(') {
+ seen_paren = 1;
+ isl_token_free(tok);
+ } else
+ isl_stream_push_token(s, tok);
+
bmap = add_constraints(s, v, bmap);
bmap = isl_basic_map_simplify(bmap);
bmap = isl_basic_map_finalize(bmap);
+
+ if (seen_paren && isl_stream_eat(s, ')'))
+ goto error;
+
return bmap;
+error:
+ isl_basic_map_free(bmap);
+ return NULL;
}
static struct isl_map *read_disjuncts(struct isl_stream *s,
return map;
}
-static struct isl_dim *set_names(struct isl_dim *dim, struct vars *vars,
- enum isl_dim_type type, int offset, int n)
+static struct isl_map *map_read_body(struct isl_stream *s,
+ __isl_take isl_basic_map *bmap, struct vars *v)
{
- int i;
- struct variable *v;
-
- for (i = 0, v = vars->v; i < offset; ++i, v = v->next)
- ;
- for (i = n - 1; i >= 0; --i, v = v->next)
- dim = isl_dim_set_name(dim, type, i, v->name);
-
- return dim;
-}
+ struct isl_map *map = NULL;
+ struct isl_token *tok;
+ int n = v->n;
-static struct isl_dim *dim_from_vars(struct vars *vars,
- int nparam, int n_in, int n_out)
-{
- struct isl_dim *dim;
+ bmap = read_tuple(s, bmap, isl_dim_in, v);
+ if (!bmap)
+ goto error;
+ tok = isl_stream_next_token(s);
+ if (tok && tok->type == ISL_TOKEN_TO) {
+ isl_token_free(tok);
+ bmap = read_tuple(s, bmap, isl_dim_out, v);
+ if (!bmap)
+ goto error;
+ } else {
+ bmap = isl_basic_map_reverse(bmap);
+ if (tok)
+ isl_stream_push_token(s, tok);
+ }
+ tok = isl_stream_next_token(s);
+ if (!tok) {
+ isl_stream_error(s, NULL, "unexpected EOF");
+ goto error;
+ }
+ map = isl_map_from_basic_map(isl_basic_map_copy(bmap));
+ if (tok->type == ':') {
+ isl_token_free(tok);
+ map = isl_map_intersect(map,
+ read_disjuncts(s, v, isl_basic_map_get_dim(bmap)));
+ } else
+ isl_stream_push_token(s, tok);
- dim = isl_dim_alloc(vars->ctx, nparam, n_in, n_out);
- dim = set_names(dim, vars, isl_dim_param, n_out + n_in, nparam);
- dim = set_names(dim, vars, isl_dim_in, n_out, n_in);
- dim = set_names(dim, vars, isl_dim_out, 0, n_out);
+ vars_drop(v, v->n - n);
- return dim;
+ isl_basic_map_free(bmap);
+ return map;
+error:
+ isl_basic_map_free(bmap);
+ return NULL;
}
static struct isl_map *map_read(struct isl_stream *s, int nparam)
{
- struct isl_dim *dim = NULL;
+ struct isl_basic_map *bmap = NULL;
struct isl_map *map = NULL;
struct isl_token *tok;
struct vars *v = NULL;
- int n1;
- int n2;
tok = isl_stream_next_token(s);
if (!tok) {
return map_read_polylib(s, nparam);
}
v = vars_new(s->ctx);
+ bmap = isl_basic_map_alloc(s->ctx, 0, 0, 0, 0, 0, 0);
if (tok->type == '[') {
isl_stream_push_token(s, tok);
- v = read_tuple(s, v);
- if (!v)
- return NULL;
+ bmap = read_tuple(s, bmap, isl_dim_param, v);
+ if (!bmap)
+ goto error;
if (nparam >= 0)
isl_assert(s->ctx, nparam == v->n, goto error);
- nparam = v->n;
tok = isl_stream_next_token(s);
if (!tok || tok->type != ISL_TOKEN_TO) {
isl_stream_error(s, tok, "expecting '->'");
}
isl_token_free(tok);
tok = isl_stream_next_token(s);
- }
- if (nparam < 0)
- nparam = 0;
+ } if (nparam > 0)
+ bmap = isl_basic_map_add(bmap, isl_dim_param, nparam);
if (!tok || tok->type != '{') {
isl_stream_error(s, tok, "expecting '{'");
if (tok)
goto error;
}
isl_token_free(tok);
- v = read_tuple(s, v);
- if (!v)
- return NULL;
- n1 = v->n - nparam;
- tok = isl_stream_next_token(s);
- if (tok && tok->type == ISL_TOKEN_TO) {
+
+ for (;;) {
+ isl_map *m = map_read_body(s, isl_basic_map_copy(bmap), v);
+ if (!m)
+ break;
+ if (map)
+ map = isl_map_union(map, m);
+ else
+ map = m;
+ tok = isl_stream_next_token(s);
+ if (!tok || tok->type != ';')
+ break;
isl_token_free(tok);
- v = read_tuple(s, v);
- if (!v)
- return NULL;
- n2 = v->n - n1 - nparam;
- } else {
- if (tok)
- isl_stream_push_token(s, tok);
- n2 = n1;
- n1 = 0;
}
- dim = dim_from_vars(v, nparam, n1, n2);
- tok = isl_stream_next_token(s);
- if (!tok) {
- isl_stream_error(s, NULL, "unexpected EOF");
- goto error;
- }
- if (tok->type == ':') {
- isl_token_free(tok);
- map = read_disjuncts(s, v, isl_dim_copy(dim));
- tok = isl_stream_next_token(s);
- } else
- map = isl_map_universe(isl_dim_copy(dim));
+
if (tok && tok->type == '}') {
isl_token_free(tok);
} else {
goto error;
}
vars_free(v);
- isl_dim_free(dim);
+ isl_basic_map_free(bmap);
return map;
error:
- isl_dim_free(dim);
+ isl_basic_map_free(bmap);
isl_map_free(map);
if (v)
vars_free(v);
projects / platform / upstream / isl.git / blobdiff