#include <isl_map_private.h>
#include <isl/set.h>
#include <isl/seq.h>
-#include <isl/div.h>
#include <isl_stream_private.h>
#include <isl/obj.h>
#include "isl_polynomial_private.h"
goto error;
}
- aff = isl_aff_zero(isl_local_space_from_space(isl_space_copy(dim)));
+ aff = isl_aff_zero_on_domain(isl_local_space_from_space(isl_space_copy(dim)));
if (!aff)
goto error;
isl_int_set_si(aff->v->el[2 + pos], 1);
isl_local_space *ls;
isl_aff *aff;
ls = isl_local_space_from_space(isl_space_copy(dim));
- aff = isl_aff_zero(ls);
+ aff = isl_aff_zero_on_domain(ls);
aff = isl_aff_add_constant(aff, tok->u.v);
res = isl_pw_aff_from_aff(aff);
}
static __isl_give isl_pw_aff *add_cst(__isl_take isl_pw_aff *pwaff, isl_int v)
{
isl_aff *aff;
+ isl_space *space;
- aff = isl_aff_zero(isl_local_space_from_space(isl_pw_aff_get_space(pwaff)));
+ space = isl_pw_aff_get_domain_space(pwaff);
+ aff = isl_aff_zero_on_domain(isl_local_space_from_space(space));
aff = isl_aff_add_constant(aff, v);
return isl_pw_aff_add(pwaff, isl_pw_aff_from_aff(aff));
int sign = 1;
ls = isl_local_space_from_space(isl_space_copy(dim));
- res = isl_pw_aff_from_aff(isl_aff_zero(ls));
+ res = isl_pw_aff_from_aff(isl_aff_zero_on_domain(ls));
if (!res)
goto error;
__isl_take isl_map *cond, struct vars *v)
{
isl_space *dim;
- isl_pw_aff *pwaff1 = NULL, *pwaff2 = NULL;
+ isl_pw_aff *pwaff1 = NULL, *pwaff2 = NULL, *pa_cond;
if (!cond)
return NULL;
if (isl_stream_eat(s, ':'))
goto error;
- pwaff2 = accept_extended_affine(s, isl_pw_aff_get_space(pwaff1), v);
+ dim = isl_pw_aff_get_domain_space(pwaff1);
+ pwaff2 = accept_extended_affine(s, dim, v);
if (!pwaff1)
goto error;
- return isl_pw_aff_cond(isl_map_wrap(cond), pwaff1, pwaff2);
+ pa_cond = isl_set_indicator_function(isl_map_wrap(cond));
+ return isl_pw_aff_cond(pa_cond, pwaff1, pwaff2);
error:
isl_map_free(cond);
isl_pw_aff_free(pwaff1);
static __isl_give isl_pw_aff *accept_extended_affine(struct isl_stream *s,
__isl_take isl_space *dim, struct vars *v)
{
+ isl_space *space;
isl_map *cond;
isl_pw_aff *pwaff;
struct isl_token *tok;
tok->type = ISL_TOKEN_AFF;
tok->u.pwaff = pwaff;
- cond = isl_map_universe(isl_space_unwrap(isl_pw_aff_get_space(pwaff)));
+ space = isl_pw_aff_get_domain_space(pwaff);
+ cond = isl_map_universe(isl_space_unwrap(space));
isl_stream_push_token(s, tok);
struct isl_token *tok;
if (isl_stream_next_token_is(s, ']'))
- return map;
+ return isl_map_add_dims(map, type, 0);
while ((tok = next_token(s)) != NULL) {
int new_name = 0;
static __isl_give isl_map *read_tuple(struct isl_stream *s,
__isl_take isl_map *map, enum isl_dim_type type, struct vars *v);
-static __isl_give isl_map *read_nested_tuple(struct isl_stream *s,
+static __isl_give isl_set *read_nested_tuple(struct isl_stream *s,
__isl_take isl_map *map, struct vars *v)
{
map = read_tuple(s, map, isl_dim_in, v);
if (isl_stream_eat(s, ISL_TOKEN_TO))
goto error;
map = read_tuple(s, map, isl_dim_out, v);
- map = isl_map_from_range(isl_map_wrap(map));
- return map;
+ return isl_map_wrap(map);
error:
isl_map_free(map);
return NULL;
isl_space *dim = isl_map_get_space(map);
int nparam = isl_space_dim(dim, isl_dim_param);
int n_in = isl_space_dim(dim, isl_dim_in);
- isl_map *nested;
- if (type == isl_dim_out)
+ isl_set *nested;
+ if (type == isl_dim_out) {
dim = isl_space_move_dims(dim, isl_dim_param, nparam,
isl_dim_in, 0, n_in);
- nested = isl_map_universe(dim);
- nested = read_nested_tuple(s, nested, v);
+ dim = isl_space_params(dim);
+ }
+ nested = read_nested_tuple(s, isl_map_universe(dim), v);
if (type == isl_dim_in) {
nested = isl_map_reverse(nested);
- map = isl_map_intersect(nested, map);
+ map = isl_map_intersect_params(nested, map);
} else {
isl_set *set;
- dim = isl_space_range(isl_map_get_space(nested));
+ dim = isl_set_get_space(nested);
dim = isl_space_drop_dims(dim, isl_dim_param, nparam, n_in);
dim = isl_space_join(isl_map_get_space(map), dim);
set = isl_map_domain(map);
if (!tok || tok->type != '(')
goto error;
+ if (isl_stream_next_token_is(s, '('))
+ if (resolve_paren_expr(s, v, isl_map_copy(map)))
+ goto error;
+
if (isl_stream_next_token_is(s, ISL_TOKEN_EXISTS) ||
+ isl_stream_next_token_is(s, ISL_TOKEN_NOT) ||
isl_stream_next_token_is(s, ISL_TOKEN_TRUE) ||
- isl_stream_next_token_is(s, ISL_TOKEN_FALSE)) {
+ isl_stream_next_token_is(s, ISL_TOKEN_FALSE) ||
+ isl_stream_next_token_is(s, ISL_TOKEN_MAP)) {
map = read_disjuncts(s, v, map);
if (isl_stream_eat(s, ')'))
goto error;
return NULL;
}
-static __isl_give isl_basic_map *basic_map_read_polylib(struct isl_stream *s,
- int nparam)
+static __isl_give isl_basic_map *basic_map_read_polylib(struct isl_stream *s)
{
int i;
struct isl_token *tok;
int on_new_line;
unsigned in = 0, out, local = 0;
struct isl_basic_map *bmap = NULL;
-
- if (nparam < 0)
- nparam = 0;
+ int nparam = 0;
tok = isl_stream_next_token(s);
if (!tok) {
return NULL;
}
-static struct isl_map *map_read_polylib(struct isl_stream *s, int nparam)
+static struct isl_map *map_read_polylib(struct isl_stream *s)
{
struct isl_token *tok;
struct isl_token *tok2;
if (tok2 && tok2->type == ISL_TOKEN_VALUE) {
isl_stream_push_token(s, tok2);
isl_stream_push_token(s, tok);
- return isl_map_from_basic_map(basic_map_read_polylib(s, nparam));
+ return isl_map_from_basic_map(basic_map_read_polylib(s));
}
if (tok2) {
isl_stream_error(s, tok2, "unexpected token");
isl_assert(s->ctx, n >= 1, return NULL);
- map = isl_map_from_basic_map(basic_map_read_polylib(s, nparam));
+ map = isl_map_from_basic_map(basic_map_read_polylib(s));
for (i = 1; map && i < n; ++i)
map = isl_map_union(map,
- isl_map_from_basic_map(basic_map_read_polylib(s, nparam)));
+ isl_map_from_basic_map(basic_map_read_polylib(s)));
return map;
}
isl_token_free(tok2);
return NULL;
}
- qp = isl_qpolynomial_rat_cst(isl_map_get_space(map),
+ qp = isl_qpolynomial_rat_cst_on_domain(isl_map_get_space(map),
tok->u.v, tok2->u.v);
isl_token_free(tok2);
} else {
isl_stream_push_token(s, tok2);
- qp = isl_qpolynomial_cst(isl_map_get_space(map),
+ qp = isl_qpolynomial_cst_on_domain(isl_map_get_space(map),
tok->u.v);
}
isl_token_free(tok);
} else if (tok->type == ISL_TOKEN_INFTY) {
isl_qpolynomial *qp;
isl_token_free(tok);
- qp = isl_qpolynomial_infty(isl_map_get_space(map));
+ qp = isl_qpolynomial_infty_on_domain(isl_map_get_space(map));
pwqp = isl_pw_qpolynomial_from_qpolynomial(qp);
} else if (tok->type == ISL_TOKEN_NAN) {
isl_qpolynomial *qp;
isl_token_free(tok);
- qp = isl_qpolynomial_nan(isl_map_get_space(map));
+ qp = isl_qpolynomial_nan_on_domain(isl_map_get_space(map));
pwqp = isl_pw_qpolynomial_from_qpolynomial(qp);
} else if (tok->type == ISL_TOKEN_IDENT) {
int n = v->n;
}
isl_token_free(tok);
pow = optional_power(s);
- qp = isl_qpolynomial_var_pow(isl_map_get_space(map), pos, pow);
+ qp = isl_qpolynomial_var_pow_on_domain(isl_map_get_space(map), pos, pow);
pwqp = isl_pw_qpolynomial_from_qpolynomial(qp);
} else if (tok->type == '[') {
isl_pw_aff *pwaff;
int pow;
isl_stream_push_token(s, tok);
- pwaff = accept_affine(s, isl_map_get_space(map), v);
+ pwaff = accept_div(s, isl_map_get_space(map), v);
pow = optional_power(s);
pwqp = isl_pw_qpolynomial_from_pw_aff(pwaff);
pwqp = isl_pw_qpolynomial_pow(pwqp, pow);
return obj1;
}
-static struct isl_obj obj_read(struct isl_stream *s, int nparam)
+static struct isl_obj obj_read(struct isl_stream *s)
{
isl_map *map = NULL;
struct isl_token *tok;
}
isl_stream_push_token(s, tok2);
isl_stream_push_token(s, tok);
- map = map_read_polylib(s, nparam);
+ map = map_read_polylib(s);
if (!map)
goto error;
- if (isl_map_dim(map, isl_dim_in) > 0)
+ if (isl_map_may_be_set(map))
+ obj.v = isl_map_range(map);
+ else {
obj.type = isl_obj_map;
- obj.v = map;
+ obj.v = map;
+ }
return obj;
}
v = vars_new(s->ctx);
isl_stream_push_token(s, tok);
goto error;
}
- map = isl_map_universe(isl_space_alloc(s->ctx, 0, 0, 0));
+ map = isl_map_universe(isl_space_params_alloc(s->ctx, 0));
if (tok->type == '[') {
isl_stream_push_token(s, tok);
map = read_tuple(s, map, isl_dim_param, v);
if (!map)
goto error;
- if (nparam >= 0)
- isl_assert(s->ctx, nparam == v->n, goto error);
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);
- } else if (nparam > 0)
- map = isl_map_add_dims(map, isl_dim_param, nparam);
+ }
if (!tok || tok->type != '{') {
isl_stream_error(s, tok, "expecting '{'");
if (tok)
map = read_tuple(s, map, isl_dim_param, v);
if (!map)
goto error;
- if (nparam >= 0)
- isl_assert(s->ctx, nparam == v->n, goto error);
} else if (tok->type == '}') {
obj.type = isl_obj_union_set;
obj.v = isl_union_set_empty(isl_map_get_space(map));
struct isl_obj isl_stream_read_obj(struct isl_stream *s)
{
- return obj_read(s, -1);
+ return obj_read(s);
}
-__isl_give isl_map *isl_stream_read_map(struct isl_stream *s, int nparam)
+__isl_give isl_map *isl_stream_read_map(struct isl_stream *s)
{
struct isl_obj obj;
- obj = obj_read(s, nparam);
+ obj = obj_read(s);
if (obj.v)
isl_assert(s->ctx, obj.type == isl_obj_map ||
obj.type == isl_obj_set, goto error);
return NULL;
}
-__isl_give isl_set *isl_stream_read_set(struct isl_stream *s, int nparam)
+__isl_give isl_set *isl_stream_read_set(struct isl_stream *s)
{
struct isl_obj obj;
- obj = obj_read(s, nparam);
- if (obj.v)
+ obj = obj_read(s);
+ if (obj.v) {
+ if (obj.type == isl_obj_map && isl_map_may_be_set(obj.v)) {
+ obj.v = isl_map_range(obj.v);
+ obj.type = isl_obj_set;
+ }
isl_assert(s->ctx, obj.type == isl_obj_set, goto error);
+ }
return obj.v;
error:
{
struct isl_obj obj;
- obj = obj_read(s, -1);
+ obj = obj_read(s);
if (obj.type == isl_obj_map) {
obj.type = isl_obj_union_map;
obj.v = isl_union_map_from_map(obj.v);
{
struct isl_obj obj;
- obj = obj_read(s, -1);
+ obj = obj_read(s);
if (obj.type == isl_obj_set) {
obj.type = isl_obj_union_set;
obj.v = isl_union_set_from_set(obj.v);
return NULL;
}
-static struct isl_basic_map *basic_map_read(struct isl_stream *s, int nparam)
+static __isl_give isl_basic_map *basic_map_read(struct isl_stream *s)
{
struct isl_obj obj;
struct isl_map *map;
struct isl_basic_map *bmap;
- obj = obj_read(s, nparam);
+ obj = obj_read(s);
map = obj.v;
if (!map)
return NULL;
return NULL;
}
+static __isl_give isl_basic_set *basic_set_read(struct isl_stream *s)
+{
+ isl_basic_map *bmap;
+ bmap = basic_map_read(s);
+ if (!bmap)
+ return NULL;
+ if (!isl_basic_map_may_be_set(bmap))
+ isl_die(s->ctx, isl_error_invalid,
+ "input is not a set", goto error);
+ return isl_basic_map_range(bmap);
+error:
+ isl_basic_map_free(bmap);
+ return NULL;
+}
+
__isl_give isl_basic_map *isl_basic_map_read_from_file(isl_ctx *ctx,
- FILE *input, int nparam)
+ FILE *input)
{
struct isl_basic_map *bmap;
struct isl_stream *s = isl_stream_new_file(ctx, input);
if (!s)
return NULL;
- bmap = basic_map_read(s, nparam);
+ bmap = basic_map_read(s);
isl_stream_free(s);
return bmap;
}
__isl_give isl_basic_set *isl_basic_set_read_from_file(isl_ctx *ctx,
- FILE *input, int nparam)
+ FILE *input)
{
- struct isl_basic_map *bmap;
- bmap = isl_basic_map_read_from_file(ctx, input, nparam);
- if (!bmap)
+ isl_basic_set *bset;
+ struct isl_stream *s = isl_stream_new_file(ctx, input);
+ if (!s)
return NULL;
- isl_assert(ctx, isl_basic_map_n_in(bmap) == 0, goto error);
- return (struct isl_basic_set *)bmap;
-error:
- isl_basic_map_free(bmap);
- return NULL;
+ bset = basic_set_read(s);
+ isl_stream_free(s);
+ return bset;
}
struct isl_basic_map *isl_basic_map_read_from_str(struct isl_ctx *ctx,
- const char *str, int nparam)
+ const char *str)
{
struct isl_basic_map *bmap;
struct isl_stream *s = isl_stream_new_str(ctx, str);
if (!s)
return NULL;
- bmap = basic_map_read(s, nparam);
+ bmap = basic_map_read(s);
isl_stream_free(s);
return bmap;
}
struct isl_basic_set *isl_basic_set_read_from_str(struct isl_ctx *ctx,
- const char *str, int nparam)
+ const char *str)
{
- struct isl_basic_map *bmap;
- bmap = isl_basic_map_read_from_str(ctx, str, nparam);
- if (!bmap)
+ isl_basic_set *bset;
+ struct isl_stream *s = isl_stream_new_str(ctx, str);
+ if (!s)
return NULL;
- isl_assert(ctx, isl_basic_map_n_in(bmap) == 0, goto error);
- return (struct isl_basic_set *)bmap;
-error:
- isl_basic_map_free(bmap);
- return NULL;
+ bset = basic_set_read(s);
+ isl_stream_free(s);
+ return bset;
}
__isl_give isl_map *isl_map_read_from_file(struct isl_ctx *ctx,
- FILE *input, int nparam)
+ FILE *input)
{
struct isl_map *map;
struct isl_stream *s = isl_stream_new_file(ctx, input);
if (!s)
return NULL;
- map = isl_stream_read_map(s, nparam);
+ map = isl_stream_read_map(s);
isl_stream_free(s);
return map;
}
__isl_give isl_map *isl_map_read_from_str(struct isl_ctx *ctx,
- const char *str, int nparam)
+ const char *str)
{
struct isl_map *map;
struct isl_stream *s = isl_stream_new_str(ctx, str);
if (!s)
return NULL;
- map = isl_stream_read_map(s, nparam);
+ map = isl_stream_read_map(s);
isl_stream_free(s);
return map;
}
__isl_give isl_set *isl_set_read_from_file(struct isl_ctx *ctx,
- FILE *input, int nparam)
+ FILE *input)
{
- struct isl_map *map;
- map = isl_map_read_from_file(ctx, input, nparam);
- if (!map)
+ isl_set *set;
+ struct isl_stream *s = isl_stream_new_file(ctx, input);
+ if (!s)
return NULL;
- isl_assert(ctx, isl_map_n_in(map) == 0, goto error);
- return (struct isl_set *)map;
-error:
- isl_map_free(map);
- return NULL;
+ set = isl_stream_read_set(s);
+ isl_stream_free(s);
+ return set;
}
struct isl_set *isl_set_read_from_str(struct isl_ctx *ctx,
- const char *str, int nparam)
+ const char *str)
{
- struct isl_map *map;
- map = isl_map_read_from_str(ctx, str, nparam);
- if (!map)
+ isl_set *set;
+ struct isl_stream *s = isl_stream_new_str(ctx, str);
+ if (!s)
return NULL;
- isl_assert(ctx, isl_map_n_in(map) == 0, goto error);
- return (struct isl_set *)map;
-error:
- isl_map_free(map);
- return NULL;
+ set = isl_stream_read_set(s);
+ isl_stream_free(s);
+ return set;
}
__isl_give isl_union_map *isl_union_map_read_from_file(isl_ctx *ctx,
{
struct isl_obj obj;
- obj = obj_read(s, -1);
+ obj = obj_read(s);
if (obj.v)
isl_assert(s->ctx, obj.type == isl_obj_pw_qpolynomial,
goto error);
isl_stream_free(s);
return pwqp;
}
+
+/* Read an affine expression from "s" with domain (space) "dom".
+ * We call accept_affine to parse a possibly piecewise affine expression
+ * and then check that the result is a single affine expression on
+ * a universe domain.
+ */
+static __isl_give isl_aff *read_aff_with_dom(struct isl_stream *s,
+ __isl_take isl_set *dom, struct vars *v)
+{
+ isl_aff *aff = NULL;
+ isl_pw_aff *pwaff = NULL;
+
+ if (!isl_set_plain_is_universe(dom))
+ isl_die(s->ctx, isl_error_invalid,
+ "expecting universe domain", goto error);
+
+ if (!isl_set_is_params(dom) && isl_stream_eat(s, ISL_TOKEN_TO))
+ goto error;
+
+ if (isl_stream_eat(s, '['))
+ goto error;
+
+ pwaff = accept_affine(s, isl_set_get_space(dom), v);
+
+ if (isl_stream_eat(s, ']'))
+ goto error;
+ if (isl_stream_eat(s, '}'))
+ goto error;
+
+ if (!pwaff)
+ goto error;
+
+ if (pwaff->n != 1)
+ isl_die(s->ctx, isl_error_invalid,
+ "expecting single affine expression", goto error);
+ if (!isl_set_plain_is_universe(pwaff->p[0].set))
+ isl_die(s->ctx, isl_error_invalid,
+ "expecting universe domain", goto error);
+
+ aff = isl_aff_copy(pwaff->p[0].aff);
+
+ vars_free(v);
+ isl_pw_aff_free(pwaff);
+ isl_set_free(dom);
+ return aff;
+error:
+ vars_free(v);
+ isl_pw_aff_free(pwaff);
+ isl_set_free(dom);
+ return NULL;
+}
+
+/* Is the next token an identifer not in "v"?
+ */
+static int next_is_fresh_ident(struct isl_stream *s, struct vars *v)
+{
+ int n = v->n;
+ int fresh;
+ struct isl_token *tok;
+
+ tok = isl_stream_next_token(s);
+ if (!tok)
+ return 0;
+ fresh = tok->type == ISL_TOKEN_IDENT && vars_pos(v, tok->u.s, -1) >= n;
+ isl_stream_push_token(s, tok);
+
+ vars_drop(v, v->n - n);
+
+ return fresh;
+}
+
+/* First read the domain of the affine expression, which may be
+ * a parameter space or a set.
+ * The tricky part is that we don't know if the domain is a set or not,
+ * so when we are trying to read the domain, we may actually be reading
+ * the affine expression itself (defined on a parameter domains)
+ * If the tuple we are reading is named, we assume it's the domain.
+ * Also, if inside the tuple, the first thing we find is a nested tuple
+ * or a new identifier, we again assume it's the domain.
+ * Otherwise, we assume we are reading an affine expression.
+ */
+static __isl_give isl_set *read_aff_domain(struct isl_stream *s,
+ __isl_take isl_set *dom, struct vars *v)
+{
+ struct isl_token *tok;
+
+ tok = isl_stream_next_token(s);
+ if (tok && (tok->type == ISL_TOKEN_IDENT || tok->is_keyword)) {
+ isl_stream_push_token(s, tok);
+ return read_tuple(s, dom, isl_dim_set, v);
+ }
+ if (!tok || tok->type != '[') {
+ isl_stream_error(s, tok, "expecting '['");
+ goto error;
+ }
+ if (next_is_tuple(s) || next_is_fresh_ident(s, v)) {
+ isl_stream_push_token(s, tok);
+ dom = read_tuple(s, dom, isl_dim_set, v);
+ } else
+ isl_stream_push_token(s, tok);
+
+ return dom;
+error:
+ if (tok)
+ isl_stream_push_token(s, tok);
+ vars_free(v);
+ isl_set_free(dom);
+ return NULL;
+}
+
+/* Read an affine expression from "s".
+ * We first read the domain of the affine expression, which may be
+ * a parameter space or a set, and then call read_aff_with_dom.
+ */
+__isl_give isl_aff *isl_stream_read_aff(struct isl_stream *s)
+{
+ struct vars *v;
+ isl_set *dom = NULL;
+
+ v = vars_new(s->ctx);
+ if (!v)
+ return NULL;
+
+ dom = isl_set_universe(isl_space_params_alloc(s->ctx, 0));
+ if (next_is_tuple(s)) {
+ dom = read_tuple(s, dom, isl_dim_param, v);
+ if (isl_stream_eat(s, ISL_TOKEN_TO))
+ goto error;
+ }
+ if (isl_stream_eat(s, '{'))
+ goto error;
+
+ dom = read_aff_domain(s, dom, v);
+ return read_aff_with_dom(s, dom, v);
+error:
+ vars_free(v);
+ isl_set_free(dom);
+ return NULL;
+}
+
+/* Read a piecewise affine expression from "s" with domain (space) "dom".
+ */
+static __isl_give isl_pw_aff *read_pw_aff_with_dom(struct isl_stream *s,
+ __isl_take isl_set *dom, struct vars *v)
+{
+ isl_pw_aff *pwaff = NULL;
+
+ if (!isl_set_is_params(dom) && isl_stream_eat(s, ISL_TOKEN_TO))
+ goto error;
+
+ if (isl_stream_eat(s, '['))
+ goto error;
+
+ pwaff = accept_affine(s, isl_set_get_space(dom), v);
+
+ if (isl_stream_eat(s, ']'))
+ goto error;
+
+ dom = read_optional_disjuncts(s, dom, v);
+ pwaff = isl_pw_aff_intersect_domain(pwaff, dom);
+
+ return pwaff;
+error:
+ isl_set_free(dom);
+ isl_pw_aff_free(pwaff);
+ return NULL;
+}
+
+__isl_give isl_pw_aff *isl_stream_read_pw_aff(struct isl_stream *s)
+{
+ struct vars *v;
+ isl_set *dom = NULL;
+ isl_set *aff_dom;
+ isl_pw_aff *pa = NULL;
+ int n;
+
+ v = vars_new(s->ctx);
+ if (!v)
+ return NULL;
+
+ dom = isl_set_universe(isl_space_params_alloc(s->ctx, 0));
+ if (next_is_tuple(s)) {
+ dom = read_tuple(s, dom, isl_dim_param, v);
+ if (isl_stream_eat(s, ISL_TOKEN_TO))
+ goto error;
+ }
+ if (isl_stream_eat(s, '{'))
+ goto error;
+
+ n = v->n;
+ aff_dom = read_aff_domain(s, isl_set_copy(dom), v);
+ pa = read_pw_aff_with_dom(s, aff_dom, v);
+ vars_drop(v, v->n - n);
+
+ while (isl_stream_eat_if_available(s, ';')) {
+ isl_pw_aff *pa_i;
+
+ n = v->n;
+ aff_dom = read_aff_domain(s, isl_set_copy(dom), v);
+ pa_i = read_pw_aff_with_dom(s, aff_dom, v);
+ vars_drop(v, v->n - n);
+
+ pa = isl_pw_aff_union_add(pa, pa_i);
+ }
+
+ if (isl_stream_eat(s, '}'))
+ goto error;
+
+ vars_free(v);
+ isl_set_free(dom);
+ return pa;
+error:
+ vars_free(v);
+ isl_set_free(dom);
+ isl_pw_aff_free(pa);
+ return NULL;
+}
+
+__isl_give isl_aff *isl_aff_read_from_str(isl_ctx *ctx, const char *str)
+{
+ isl_aff *aff;
+ struct isl_stream *s = isl_stream_new_str(ctx, str);
+ if (!s)
+ return NULL;
+ aff = isl_stream_read_aff(s);
+ isl_stream_free(s);
+ return aff;
+}
+
+__isl_give isl_pw_aff *isl_pw_aff_read_from_str(isl_ctx *ctx, const char *str)
+{
+ isl_pw_aff *pa;
+ struct isl_stream *s = isl_stream_new_str(ctx, str);
+ if (!s)
+ return NULL;
+ pa = isl_stream_read_pw_aff(s);
+ isl_stream_free(s);
+ return pa;
+}
+
+/* Read an isl_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_pw_multi_aff.
+ * It would be more efficient if we were to construct the isl_pw_multi_aff
+ * directly.
+ */
+__isl_give isl_pw_multi_aff *isl_stream_read_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)
+ return isl_pw_multi_aff_from_map(obj.v);
+ if (obj.type == isl_obj_set)
+ return isl_pw_multi_aff_from_set(obj.v);
+
+ obj.type->free(obj.v);
+ isl_die(s->ctx, isl_error_invalid, "unexpected object type",
+ return NULL);
+}
+
+__isl_give isl_pw_multi_aff *isl_pw_multi_aff_read_from_str(isl_ctx *ctx,
+ const char *str)
+{
+ isl_pw_multi_aff *pma;
+ struct isl_stream *s = isl_stream_new_str(ctx, str);
+ if (!s)
+ return NULL;
+ pma = isl_stream_read_pw_multi_aff(s);
+ isl_stream_free(s);
+ return pma;
+}
+
+/* Read a multi-affine expression from "s".
+ * We call isl_stream_read_pw_multi_aff to parse a possibly piecewise
+ * multi-affine expression and then check that the result is
+ * a single multi-affine expression on a universe domain.
+ */
+__isl_give isl_multi_aff *isl_stream_read_multi_aff(struct isl_stream *s)
+{
+ isl_pw_multi_aff *pma;
+ isl_multi_aff *maff;
+
+ pma = isl_stream_read_pw_multi_aff(s);
+ if (!pma)
+ return NULL;
+ if (pma->n != 1)
+ isl_die(s->ctx, isl_error_invalid,
+ "expecting single list of affine expressions",
+ return isl_pw_multi_aff_free(pma));
+ if (!isl_set_plain_is_universe(pma->p[0].set))
+ isl_die(s->ctx, isl_error_invalid, "expecting universe domain",
+ return isl_pw_multi_aff_free(pma));
+ maff = isl_multi_aff_copy(pma->p[0].maff);
+ isl_pw_multi_aff_free(pma);
+ return maff;
+}
+
+__isl_give isl_multi_aff *isl_multi_aff_read_from_str(isl_ctx *ctx,
+ const char *str)
+{
+ isl_multi_aff *maff;
+ struct isl_stream *s = isl_stream_new_str(ctx, str);
+ if (!s)
+ return NULL;
+ maff = isl_stream_read_multi_aff(s);
+ isl_stream_free(s);
+ return maff;
+}
+
+__isl_give isl_union_pw_qpolynomial *isl_stream_read_union_pw_qpolynomial(
+ struct isl_stream *s)
+{
+ struct isl_obj obj;
+
+ obj = obj_read(s);
+ if (obj.type == isl_obj_pw_qpolynomial) {
+ obj.type = isl_obj_union_pw_qpolynomial;
+ obj.v = isl_union_pw_qpolynomial_from_pw_qpolynomial(obj.v);
+ }
+ if (obj.v)
+ isl_assert(s->ctx, obj.type == isl_obj_union_pw_qpolynomial,
+ goto error);
+
+ return obj.v;
+error:
+ obj.type->free(obj.v);
+ return NULL;
+}
+
+__isl_give isl_union_pw_qpolynomial *isl_union_pw_qpolynomial_read_from_str(
+ isl_ctx *ctx, const char *str)
+{
+ isl_union_pw_qpolynomial *upwqp;
+ struct isl_stream *s = isl_stream_new_str(ctx, str);
+ if (!s)
+ return NULL;
+ upwqp = isl_stream_read_union_pw_qpolynomial(s);
+ isl_stream_free(s);
+ return upwqp;
+}
projects / platform / upstream / isl.git / blobdiff