2 * Copyright 2008-2009 Katholieke Universiteit Leuven
3 * Copyright 2010 INRIA Saclay
5 * Use of this software is governed by the GNU LGPLv2.1 license
7 * Written by Sven Verdoolaege, K.U.Leuven, Departement
8 * Computerwetenschappen, Celestijnenlaan 200A, B-3001 Leuven, Belgium
9 * and INRIA Saclay - Ile-de-France, Parc Club Orsay Universite,
10 * ZAC des vignes, 4 rue Jacques Monod, 91893 Orsay, France
16 #include <isl_ctx_private.h>
17 #include <isl_map_private.h>
20 #include <isl_stream_private.h>
22 #include "isl_polynomial_private.h"
23 #include <isl/union_map.h>
24 #include <isl_mat_private.h>
25 #include <isl_aff_private.h>
31 struct variable
*next
;
40 static struct vars
*vars_new(struct isl_ctx
*ctx
)
43 v
= isl_alloc_type(ctx
, struct vars
);
52 static void variable_free(struct variable
*var
)
55 struct variable
*next
= var
->next
;
62 static void vars_free(struct vars
*v
)
70 static void vars_drop(struct vars
*v
, int n
)
81 struct variable
*next
= var
->next
;
89 static struct variable
*variable_new(struct vars
*v
, const char *name
, int len
,
93 var
= isl_calloc_type(v
->ctx
, struct variable
);
96 var
->name
= strdup(name
);
97 var
->name
[len
] = '\0';
106 static int vars_pos(struct vars
*v
, const char *s
, int len
)
113 for (q
= v
->v
; q
; q
= q
->next
) {
114 if (strncmp(q
->name
, s
, len
) == 0 && q
->name
[len
] == '\0')
121 v
->v
= variable_new(v
, s
, len
, v
->n
);
129 static int vars_add_anon(struct vars
*v
)
131 v
->v
= variable_new(v
, "", 0, v
->n
);
140 static __isl_give isl_map
*set_name(__isl_take isl_map
*map
,
141 enum isl_dim_type type
, unsigned pos
, char *name
)
150 prime
= strchr(name
, '\'');
153 map
= isl_map_set_dim_name(map
, type
, pos
, name
);
160 /* Obtain next token, with some preprocessing.
161 * In particular, evaluate expressions of the form x^y,
162 * with x and y values.
164 static struct isl_token
*next_token(struct isl_stream
*s
)
166 struct isl_token
*tok
, *tok2
;
168 tok
= isl_stream_next_token(s
);
169 if (!tok
|| tok
->type
!= ISL_TOKEN_VALUE
)
171 if (!isl_stream_eat_if_available(s
, '^'))
173 tok2
= isl_stream_next_token(s
);
174 if (!tok2
|| tok2
->type
!= ISL_TOKEN_VALUE
) {
175 isl_stream_error(s
, tok2
, "expecting constant value");
179 isl_int_pow_ui(tok
->u
.v
, tok
->u
.v
, isl_int_get_ui(tok2
->u
.v
));
181 isl_token_free(tok2
);
185 isl_token_free(tok2
);
189 static int accept_cst_factor(struct isl_stream
*s
, isl_int
*f
)
191 struct isl_token
*tok
;
194 if (!tok
|| tok
->type
!= ISL_TOKEN_VALUE
) {
195 isl_stream_error(s
, tok
, "expecting constant value");
199 isl_int_mul(*f
, *f
, tok
->u
.v
);
203 if (isl_stream_eat_if_available(s
, '*'))
204 return accept_cst_factor(s
, f
);
212 /* Given an affine expression aff, return an affine expression
213 * for aff % d, with d the next token on the stream, which is
214 * assumed to be a constant.
216 * We introduce an integer division q = [aff/d] and the result
217 * is set to aff - d q.
219 static __isl_give isl_pw_aff
*affine_mod(struct isl_stream
*s
,
220 struct vars
*v
, __isl_take isl_pw_aff
*aff
)
222 struct isl_token
*tok
;
226 if (!tok
|| tok
->type
!= ISL_TOKEN_VALUE
) {
227 isl_stream_error(s
, tok
, "expecting constant value");
231 q
= isl_pw_aff_copy(aff
);
232 q
= isl_pw_aff_scale_down(q
, tok
->u
.v
);
233 q
= isl_pw_aff_floor(q
);
234 q
= isl_pw_aff_scale(q
, tok
->u
.v
);
236 aff
= isl_pw_aff_sub(aff
, q
);
241 isl_pw_aff_free(aff
);
246 static __isl_give isl_pw_aff
*accept_affine(struct isl_stream
*s
,
247 __isl_take isl_space
*dim
, struct vars
*v
);
248 static __isl_give isl_pw_aff_list
*accept_affine_list(struct isl_stream
*s
,
249 __isl_take isl_space
*dim
, struct vars
*v
);
251 static __isl_give isl_pw_aff
*accept_minmax(struct isl_stream
*s
,
252 __isl_take isl_space
*dim
, struct vars
*v
)
254 struct isl_token
*tok
;
255 isl_pw_aff_list
*list
= NULL
;
258 tok
= isl_stream_next_token(s
);
261 min
= tok
->type
== ISL_TOKEN_MIN
;
264 if (isl_stream_eat(s
, '('))
267 list
= accept_affine_list(s
, isl_space_copy(dim
), v
);
271 if (isl_stream_eat(s
, ')'))
275 return min
? isl_pw_aff_list_min(list
) : isl_pw_aff_list_max(list
);
278 isl_pw_aff_list_free(list
);
282 static __isl_give isl_pw_aff
*accept_div(struct isl_stream
*s
,
283 __isl_take isl_space
*dim
, struct vars
*v
)
285 struct isl_token
*tok
;
289 isl_pw_aff
*pwaff
= NULL
;
291 if (isl_stream_eat_if_available(s
, ISL_TOKEN_FLOORD
))
293 else if (isl_stream_eat_if_available(s
, ISL_TOKEN_CEILD
))
296 if (isl_stream_eat(s
, '('))
299 if (isl_stream_eat(s
, '['))
301 if (isl_stream_eat_if_available(s
, '('))
305 pwaff
= accept_affine(s
, isl_space_copy(dim
), v
);
308 if (isl_stream_eat(s
, ','))
311 if (seen_paren
&& isl_stream_eat(s
, ')'))
313 if (isl_stream_eat(s
, '/'))
320 if (tok
->type
!= ISL_TOKEN_VALUE
) {
321 isl_stream_error(s
, tok
, "expected denominator");
322 isl_stream_push_token(s
, tok
);
325 isl_pw_aff_scale_down(pwaff
, tok
->u
.v
);
329 pwaff
= isl_pw_aff_ceil(pwaff
);
331 pwaff
= isl_pw_aff_floor(pwaff
);
334 if (isl_stream_eat(s
, ')'))
337 if (isl_stream_eat(s
, ']'))
345 isl_pw_aff_free(pwaff
);
349 static __isl_give isl_pw_aff
*accept_affine_factor(struct isl_stream
*s
,
350 __isl_take isl_space
*dim
, struct vars
*v
)
352 struct isl_token
*tok
= NULL
;
353 isl_pw_aff
*res
= NULL
;
357 isl_stream_error(s
, NULL
, "unexpected EOF");
361 if (tok
->type
== ISL_TOKEN_AFF
) {
362 res
= isl_pw_aff_copy(tok
->u
.pwaff
);
364 } else if (tok
->type
== ISL_TOKEN_IDENT
) {
366 int pos
= vars_pos(v
, tok
->u
.s
, -1);
372 isl_stream_error(s
, tok
, "unknown identifier");
376 aff
= isl_aff_zero_on_domain(isl_local_space_from_space(isl_space_copy(dim
)));
379 isl_int_set_si(aff
->v
->el
[2 + pos
], 1);
380 res
= isl_pw_aff_from_aff(aff
);
382 } else if (tok
->type
== ISL_TOKEN_VALUE
) {
383 if (isl_stream_eat_if_available(s
, '*')) {
384 res
= accept_affine_factor(s
, isl_space_copy(dim
), v
);
385 res
= isl_pw_aff_scale(res
, tok
->u
.v
);
389 ls
= isl_local_space_from_space(isl_space_copy(dim
));
390 aff
= isl_aff_zero_on_domain(ls
);
391 aff
= isl_aff_add_constant(aff
, tok
->u
.v
);
392 res
= isl_pw_aff_from_aff(aff
);
395 } else if (tok
->type
== '(') {
398 res
= accept_affine(s
, isl_space_copy(dim
), v
);
401 if (isl_stream_eat(s
, ')'))
403 } else if (tok
->type
== '[' ||
404 tok
->type
== ISL_TOKEN_FLOORD
||
405 tok
->type
== ISL_TOKEN_CEILD
) {
406 isl_stream_push_token(s
, tok
);
408 res
= accept_div(s
, isl_space_copy(dim
), v
);
409 } else if (tok
->type
== ISL_TOKEN_MIN
|| tok
->type
== ISL_TOKEN_MAX
) {
410 isl_stream_push_token(s
, tok
);
412 res
= accept_minmax(s
, isl_space_copy(dim
), v
);
414 isl_stream_error(s
, tok
, "expecting factor");
417 if (isl_stream_eat_if_available(s
, '%') ||
418 isl_stream_eat_if_available(s
, ISL_TOKEN_MOD
)) {
420 return affine_mod(s
, v
, res
);
422 if (isl_stream_eat_if_available(s
, '*')) {
425 isl_int_set_si(f
, 1);
426 if (accept_cst_factor(s
, &f
) < 0) {
430 res
= isl_pw_aff_scale(res
, f
);
439 isl_pw_aff_free(res
);
444 static __isl_give isl_pw_aff
*add_cst(__isl_take isl_pw_aff
*pwaff
, isl_int v
)
449 space
= isl_pw_aff_get_domain_space(pwaff
);
450 aff
= isl_aff_zero_on_domain(isl_local_space_from_space(space
));
451 aff
= isl_aff_add_constant(aff
, v
);
453 return isl_pw_aff_add(pwaff
, isl_pw_aff_from_aff(aff
));
456 static __isl_give isl_pw_aff
*accept_affine(struct isl_stream
*s
,
457 __isl_take isl_space
*dim
, struct vars
*v
)
459 struct isl_token
*tok
= NULL
;
464 ls
= isl_local_space_from_space(isl_space_copy(dim
));
465 res
= isl_pw_aff_from_aff(isl_aff_zero_on_domain(ls
));
472 isl_stream_error(s
, NULL
, "unexpected EOF");
475 if (tok
->type
== '-') {
480 if (tok
->type
== '(' || tok
->type
== '[' ||
481 tok
->type
== ISL_TOKEN_MIN
|| tok
->type
== ISL_TOKEN_MAX
||
482 tok
->type
== ISL_TOKEN_FLOORD
||
483 tok
->type
== ISL_TOKEN_CEILD
||
484 tok
->type
== ISL_TOKEN_IDENT
||
485 tok
->type
== ISL_TOKEN_AFF
) {
487 isl_stream_push_token(s
, tok
);
489 term
= accept_affine_factor(s
, isl_space_copy(dim
), v
);
491 res
= isl_pw_aff_sub(res
, term
);
493 res
= isl_pw_aff_add(res
, term
);
497 } else if (tok
->type
== ISL_TOKEN_VALUE
) {
499 isl_int_neg(tok
->u
.v
, tok
->u
.v
);
500 if (isl_stream_eat_if_available(s
, '*') ||
501 isl_stream_next_token_is(s
, ISL_TOKEN_IDENT
)) {
503 term
= accept_affine_factor(s
,
504 isl_space_copy(dim
), v
);
505 term
= isl_pw_aff_scale(term
, tok
->u
.v
);
506 res
= isl_pw_aff_add(res
, term
);
510 res
= add_cst(res
, tok
->u
.v
);
514 isl_stream_error(s
, tok
, "unexpected isl_token");
515 isl_stream_push_token(s
, tok
);
516 isl_pw_aff_free(res
);
523 if (tok
&& tok
->type
== '-') {
526 } else if (tok
&& tok
->type
== '+') {
529 } else if (tok
&& tok
->type
== ISL_TOKEN_VALUE
&&
530 isl_int_is_neg(tok
->u
.v
)) {
531 isl_stream_push_token(s
, tok
);
534 isl_stream_push_token(s
, tok
);
544 isl_pw_aff_free(res
);
548 static int is_comparator(struct isl_token
*tok
)
566 static struct isl_map
*read_disjuncts(struct isl_stream
*s
,
567 struct vars
*v
, __isl_take isl_map
*map
);
568 static __isl_give isl_pw_aff
*accept_extended_affine(struct isl_stream
*s
,
569 __isl_take isl_space
*dim
, struct vars
*v
);
571 /* Accept a ternary operator, given the first argument.
573 static __isl_give isl_pw_aff
*accept_ternary(struct isl_stream
*s
,
574 __isl_take isl_map
*cond
, struct vars
*v
)
577 isl_pw_aff
*pwaff1
= NULL
, *pwaff2
= NULL
, *pa_cond
;
582 if (isl_stream_eat(s
, '?'))
585 dim
= isl_space_wrap(isl_map_get_space(cond
));
586 pwaff1
= accept_extended_affine(s
, dim
, v
);
590 if (isl_stream_eat(s
, ':'))
593 dim
= isl_pw_aff_get_domain_space(pwaff1
);
594 pwaff2
= accept_extended_affine(s
, dim
, v
);
598 pa_cond
= isl_set_indicator_function(isl_map_wrap(cond
));
599 return isl_pw_aff_cond(pa_cond
, pwaff1
, pwaff2
);
602 isl_pw_aff_free(pwaff1
);
603 isl_pw_aff_free(pwaff2
);
607 /* Accept an affine expression that may involve ternary operators.
608 * We first read an affine expression.
609 * If it is not followed by a comparison operator, we simply return it.
610 * Otherwise, we assume the affine epxression is part of the first
611 * argument of a ternary operator and try to parse that.
613 static __isl_give isl_pw_aff
*accept_extended_affine(struct isl_stream
*s
,
614 __isl_take isl_space
*dim
, struct vars
*v
)
619 struct isl_token
*tok
;
620 int line
= -1, col
= -1;
623 tok
= isl_stream_next_token(s
);
627 isl_stream_push_token(s
, tok
);
630 pwaff
= accept_affine(s
, dim
, v
);
634 tok
= isl_stream_next_token(s
);
636 return isl_pw_aff_free(pwaff
);
638 is_comp
= is_comparator(tok
);
639 isl_stream_push_token(s
, tok
);
643 tok
= isl_token_new(s
->ctx
, line
, col
, 0);
645 return isl_pw_aff_free(pwaff
);
646 tok
->type
= ISL_TOKEN_AFF
;
647 tok
->u
.pwaff
= pwaff
;
649 space
= isl_pw_aff_get_domain_space(pwaff
);
650 cond
= isl_map_universe(isl_space_unwrap(space
));
652 isl_stream_push_token(s
, tok
);
654 cond
= read_disjuncts(s
, v
, cond
);
656 return accept_ternary(s
, cond
, v
);
659 static __isl_give isl_map
*read_var_def(struct isl_stream
*s
,
660 __isl_take isl_map
*map
, enum isl_dim_type type
, struct vars
*v
)
666 if (type
== isl_dim_param
)
667 pos
= isl_map_dim(map
, isl_dim_param
);
669 pos
= isl_map_dim(map
, isl_dim_in
);
670 if (type
== isl_dim_out
)
671 pos
+= isl_map_dim(map
, isl_dim_out
);
676 def
= accept_extended_affine(s
, isl_space_wrap(isl_map_get_space(map
)), v
);
677 def_map
= isl_map_from_pw_aff(def
);
678 def_map
= isl_map_equate(def_map
, type
, pos
, isl_dim_out
, 0);
679 def_map
= isl_set_unwrap(isl_map_domain(def_map
));
681 map
= isl_map_intersect(map
, def_map
);
686 static __isl_give isl_map
*read_var_list(struct isl_stream
*s
,
687 __isl_take isl_map
*map
, enum isl_dim_type type
, struct vars
*v
)
690 struct isl_token
*tok
;
692 if (isl_stream_next_token_is(s
, ']'))
693 return isl_map_add_dims(map
, type
, 0);
695 while ((tok
= next_token(s
)) != NULL
) {
698 if (tok
->type
== ISL_TOKEN_IDENT
) {
700 int p
= vars_pos(v
, tok
->u
.s
, -1);
707 map
= isl_map_add_dims(map
, type
, 1);
708 map
= set_name(map
, type
, i
, v
->v
->name
);
710 if (isl_stream_eat_if_available(s
, '='))
711 map
= read_var_def(s
, map
, type
, v
);
713 if (type
== isl_dim_param
) {
714 isl_stream_error(s
, tok
,
715 "expecting unique identifier");
718 isl_stream_push_token(s
, tok
);
720 if (vars_add_anon(v
) < 0)
722 map
= isl_map_add_dims(map
, type
, 1);
723 map
= read_var_def(s
, map
, type
, v
);
726 tok
= isl_stream_next_token(s
);
727 if (tok
&& tok
->type
== ']' &&
728 isl_stream_next_token_is(s
, '[')) {
730 tok
= isl_stream_next_token(s
);
731 } else if (!tok
|| tok
->type
!= ',')
738 isl_stream_push_token(s
, tok
);
747 static __isl_give isl_pw_aff_list
*accept_affine_list(struct isl_stream
*s
,
748 __isl_take isl_space
*dim
, struct vars
*v
)
751 isl_pw_aff_list
*list
;
752 struct isl_token
*tok
= NULL
;
754 pwaff
= accept_affine(s
, isl_space_copy(dim
), v
);
755 list
= isl_pw_aff_list_from_pw_aff(pwaff
);
760 tok
= isl_stream_next_token(s
);
762 isl_stream_error(s
, NULL
, "unexpected EOF");
765 if (tok
->type
!= ',') {
766 isl_stream_push_token(s
, tok
);
771 pwaff
= accept_affine(s
, isl_space_copy(dim
), v
);
772 list
= isl_pw_aff_list_concat(list
,
773 isl_pw_aff_list_from_pw_aff(pwaff
));
782 isl_pw_aff_list_free(list
);
786 static __isl_give isl_map
*read_defined_var_list(struct isl_stream
*s
,
787 struct vars
*v
, __isl_take isl_map
*map
)
789 struct isl_token
*tok
;
791 while ((tok
= isl_stream_next_token(s
)) != NULL
) {
795 if (tok
->type
!= ISL_TOKEN_IDENT
)
798 p
= vars_pos(v
, tok
->u
.s
, -1);
802 isl_stream_error(s
, tok
, "expecting unique identifier");
806 map
= isl_map_add_dims(map
, isl_dim_out
, 1);
809 tok
= isl_stream_next_token(s
);
810 if (tok
&& tok
->type
== '=') {
812 map
= read_var_def(s
, map
, isl_dim_out
, v
);
813 tok
= isl_stream_next_token(s
);
816 if (!tok
|| tok
->type
!= ',')
822 isl_stream_push_token(s
, tok
);
831 static int next_is_tuple(struct isl_stream
*s
)
833 struct isl_token
*tok
;
836 tok
= isl_stream_next_token(s
);
839 if (tok
->type
== '[') {
840 isl_stream_push_token(s
, tok
);
843 if (tok
->type
!= ISL_TOKEN_IDENT
&& !tok
->is_keyword
) {
844 isl_stream_push_token(s
, tok
);
848 is_tuple
= isl_stream_next_token_is(s
, '[');
850 isl_stream_push_token(s
, tok
);
855 static __isl_give isl_map
*read_tuple(struct isl_stream
*s
,
856 __isl_take isl_map
*map
, enum isl_dim_type type
, struct vars
*v
);
858 static __isl_give isl_set
*read_nested_tuple(struct isl_stream
*s
,
859 __isl_take isl_map
*map
, struct vars
*v
)
861 map
= read_tuple(s
, map
, isl_dim_in
, v
);
862 if (isl_stream_eat(s
, ISL_TOKEN_TO
))
864 map
= read_tuple(s
, map
, isl_dim_out
, v
);
865 return isl_map_wrap(map
);
871 static __isl_give isl_map
*read_tuple(struct isl_stream
*s
,
872 __isl_take isl_map
*map
, enum isl_dim_type type
, struct vars
*v
)
874 struct isl_token
*tok
;
877 tok
= isl_stream_next_token(s
);
878 if (tok
&& (tok
->type
== ISL_TOKEN_IDENT
|| tok
->is_keyword
)) {
879 name
= strdup(tok
->u
.s
);
883 tok
= isl_stream_next_token(s
);
885 if (!tok
|| tok
->type
!= '[') {
886 isl_stream_error(s
, tok
, "expecting '['");
890 if (type
!= isl_dim_param
&& next_is_tuple(s
)) {
891 isl_space
*dim
= isl_map_get_space(map
);
892 int nparam
= isl_space_dim(dim
, isl_dim_param
);
893 int n_in
= isl_space_dim(dim
, isl_dim_in
);
895 if (type
== isl_dim_out
) {
896 dim
= isl_space_move_dims(dim
, isl_dim_param
, nparam
,
897 isl_dim_in
, 0, n_in
);
898 dim
= isl_space_params(dim
);
900 nested
= read_nested_tuple(s
, isl_map_universe(dim
), v
);
901 if (type
== isl_dim_in
) {
902 nested
= isl_map_reverse(nested
);
903 map
= isl_map_intersect_params(nested
, map
);
906 dim
= isl_set_get_space(nested
);
907 dim
= isl_space_drop_dims(dim
, isl_dim_param
, nparam
, n_in
);
908 dim
= isl_space_join(isl_map_get_space(map
), dim
);
909 set
= isl_map_domain(map
);
910 nested
= isl_map_reset_space(nested
, dim
);
911 map
= isl_map_intersect_domain(nested
, set
);
914 map
= read_var_list(s
, map
, type
, v
);
915 tok
= isl_stream_next_token(s
);
916 if (!tok
|| tok
->type
!= ']') {
917 isl_stream_error(s
, tok
, "expecting ']'");
923 map
= isl_map_set_tuple_name(map
, type
, name
);
935 static __isl_give isl_set
*construct_constraints(
936 __isl_take isl_set
*set
, enum isl_token_type type
,
937 __isl_keep isl_pw_aff_list
*left
, __isl_keep isl_pw_aff_list
*right
)
941 if (type
== ISL_TOKEN_LE
)
942 cond
= isl_pw_aff_list_le_set(isl_pw_aff_list_copy(left
),
943 isl_pw_aff_list_copy(right
));
944 else if (type
== ISL_TOKEN_GE
)
945 cond
= isl_pw_aff_list_ge_set(isl_pw_aff_list_copy(left
),
946 isl_pw_aff_list_copy(right
));
947 else if (type
== ISL_TOKEN_LT
)
948 cond
= isl_pw_aff_list_lt_set(isl_pw_aff_list_copy(left
),
949 isl_pw_aff_list_copy(right
));
950 else if (type
== ISL_TOKEN_GT
)
951 cond
= isl_pw_aff_list_gt_set(isl_pw_aff_list_copy(left
),
952 isl_pw_aff_list_copy(right
));
953 else if (type
== ISL_TOKEN_NE
)
954 cond
= isl_pw_aff_list_ne_set(isl_pw_aff_list_copy(left
),
955 isl_pw_aff_list_copy(right
));
957 cond
= isl_pw_aff_list_eq_set(isl_pw_aff_list_copy(left
),
958 isl_pw_aff_list_copy(right
));
960 return isl_set_intersect(set
, cond
);
963 static __isl_give isl_map
*add_constraint(struct isl_stream
*s
,
964 struct vars
*v
, __isl_take isl_map
*map
)
966 struct isl_token
*tok
= NULL
;
967 isl_pw_aff_list
*list1
= NULL
, *list2
= NULL
;
970 set
= isl_map_wrap(map
);
971 list1
= accept_affine_list(s
, isl_set_get_space(set
), v
);
974 tok
= isl_stream_next_token(s
);
975 if (!is_comparator(tok
)) {
976 isl_stream_error(s
, tok
, "missing operator");
978 isl_stream_push_token(s
, tok
);
983 list2
= accept_affine_list(s
, isl_set_get_space(set
), v
);
987 set
= construct_constraints(set
, tok
->type
, list1
, list2
);
989 isl_pw_aff_list_free(list1
);
992 tok
= isl_stream_next_token(s
);
993 if (!is_comparator(tok
)) {
995 isl_stream_push_token(s
, tok
);
999 isl_pw_aff_list_free(list1
);
1001 return isl_set_unwrap(set
);
1004 isl_token_free(tok
);
1005 isl_pw_aff_list_free(list1
);
1006 isl_pw_aff_list_free(list2
);
1011 static __isl_give isl_map
*read_exists(struct isl_stream
*s
,
1012 struct vars
*v
, __isl_take isl_map
*map
)
1015 int seen_paren
= isl_stream_eat_if_available(s
, '(');
1017 map
= isl_map_from_domain(isl_map_wrap(map
));
1018 map
= read_defined_var_list(s
, v
, map
);
1020 if (isl_stream_eat(s
, ':'))
1023 map
= read_disjuncts(s
, v
, map
);
1024 map
= isl_set_unwrap(isl_map_domain(map
));
1026 vars_drop(v
, v
->n
- n
);
1027 if (seen_paren
&& isl_stream_eat(s
, ')'))
1036 /* Parse an expression between parentheses and push the result
1037 * back on the stream.
1039 * The parsed expression may be either an affine expression
1040 * or a condition. The first type is pushed onto the stream
1041 * as an isl_pw_aff, while the second is pushed as an isl_map.
1043 * If the initial token indicates the start of a condition,
1044 * we parse it as such.
1045 * Otherwise, we first parse an affine expression and push
1046 * that onto the stream. If the affine expression covers the
1047 * entire expression between parentheses, we return.
1048 * Otherwise, we assume that the affine expression is the
1049 * start of a condition and continue parsing.
1051 static int resolve_paren_expr(struct isl_stream
*s
,
1052 struct vars
*v
, __isl_take isl_map
*map
)
1054 struct isl_token
*tok
, *tok2
;
1058 tok
= isl_stream_next_token(s
);
1059 if (!tok
|| tok
->type
!= '(')
1062 if (isl_stream_next_token_is(s
, '('))
1063 if (resolve_paren_expr(s
, v
, isl_map_copy(map
)))
1066 if (isl_stream_next_token_is(s
, ISL_TOKEN_EXISTS
) ||
1067 isl_stream_next_token_is(s
, ISL_TOKEN_NOT
) ||
1068 isl_stream_next_token_is(s
, ISL_TOKEN_TRUE
) ||
1069 isl_stream_next_token_is(s
, ISL_TOKEN_FALSE
) ||
1070 isl_stream_next_token_is(s
, ISL_TOKEN_MAP
)) {
1071 map
= read_disjuncts(s
, v
, map
);
1072 if (isl_stream_eat(s
, ')'))
1074 tok
->type
= ISL_TOKEN_MAP
;
1076 isl_stream_push_token(s
, tok
);
1080 tok2
= isl_stream_next_token(s
);
1085 isl_stream_push_token(s
, tok2
);
1087 pwaff
= accept_affine(s
, isl_space_wrap(isl_map_get_space(map
)), v
);
1091 tok2
= isl_token_new(s
->ctx
, line
, col
, 0);
1094 tok2
->type
= ISL_TOKEN_AFF
;
1095 tok2
->u
.pwaff
= pwaff
;
1097 if (isl_stream_eat_if_available(s
, ')')) {
1098 isl_stream_push_token(s
, tok2
);
1099 isl_token_free(tok
);
1104 isl_stream_push_token(s
, tok2
);
1106 map
= read_disjuncts(s
, v
, map
);
1107 if (isl_stream_eat(s
, ')'))
1110 tok
->type
= ISL_TOKEN_MAP
;
1112 isl_stream_push_token(s
, tok
);
1116 isl_pw_aff_free(pwaff
);
1118 isl_token_free(tok
);
1123 static __isl_give isl_map
*read_conjunct(struct isl_stream
*s
,
1124 struct vars
*v
, __isl_take isl_map
*map
)
1126 if (isl_stream_next_token_is(s
, '('))
1127 if (resolve_paren_expr(s
, v
, isl_map_copy(map
)))
1130 if (isl_stream_next_token_is(s
, ISL_TOKEN_MAP
)) {
1131 struct isl_token
*tok
;
1132 tok
= isl_stream_next_token(s
);
1136 map
= isl_map_copy(tok
->u
.map
);
1137 isl_token_free(tok
);
1141 if (isl_stream_eat_if_available(s
, ISL_TOKEN_EXISTS
))
1142 return read_exists(s
, v
, map
);
1144 if (isl_stream_eat_if_available(s
, ISL_TOKEN_TRUE
))
1147 if (isl_stream_eat_if_available(s
, ISL_TOKEN_FALSE
)) {
1148 isl_space
*dim
= isl_map_get_space(map
);
1150 return isl_map_empty(dim
);
1153 return add_constraint(s
, v
, map
);
1159 static __isl_give isl_map
*read_conjuncts(struct isl_stream
*s
,
1160 struct vars
*v
, __isl_take isl_map
*map
)
1165 negate
= isl_stream_eat_if_available(s
, ISL_TOKEN_NOT
);
1166 res
= read_conjunct(s
, v
, isl_map_copy(map
));
1168 res
= isl_map_subtract(isl_map_copy(map
), res
);
1170 while (isl_stream_eat_if_available(s
, ISL_TOKEN_AND
)) {
1173 negate
= isl_stream_eat_if_available(s
, ISL_TOKEN_NOT
);
1174 res_i
= read_conjunct(s
, v
, isl_map_copy(map
));
1176 res
= isl_map_subtract(res
, res_i
);
1178 res
= isl_map_intersect(res
, res_i
);
1185 static struct isl_map
*read_disjuncts(struct isl_stream
*s
,
1186 struct vars
*v
, __isl_take isl_map
*map
)
1190 if (isl_stream_next_token_is(s
, '}')) {
1191 isl_space
*dim
= isl_map_get_space(map
);
1193 return isl_map_universe(dim
);
1196 res
= read_conjuncts(s
, v
, isl_map_copy(map
));
1197 while (isl_stream_eat_if_available(s
, ISL_TOKEN_OR
)) {
1200 res_i
= read_conjuncts(s
, v
, isl_map_copy(map
));
1201 res
= isl_map_union(res
, res_i
);
1208 static int polylib_pos_to_isl_pos(__isl_keep isl_basic_map
*bmap
, int pos
)
1210 if (pos
< isl_basic_map_dim(bmap
, isl_dim_out
))
1211 return 1 + isl_basic_map_dim(bmap
, isl_dim_param
) +
1212 isl_basic_map_dim(bmap
, isl_dim_in
) + pos
;
1213 pos
-= isl_basic_map_dim(bmap
, isl_dim_out
);
1215 if (pos
< isl_basic_map_dim(bmap
, isl_dim_in
))
1216 return 1 + isl_basic_map_dim(bmap
, isl_dim_param
) + pos
;
1217 pos
-= isl_basic_map_dim(bmap
, isl_dim_in
);
1219 if (pos
< isl_basic_map_dim(bmap
, isl_dim_div
))
1220 return 1 + isl_basic_map_dim(bmap
, isl_dim_param
) +
1221 isl_basic_map_dim(bmap
, isl_dim_in
) +
1222 isl_basic_map_dim(bmap
, isl_dim_out
) + pos
;
1223 pos
-= isl_basic_map_dim(bmap
, isl_dim_div
);
1225 if (pos
< isl_basic_map_dim(bmap
, isl_dim_param
))
1231 static __isl_give isl_basic_map
*basic_map_read_polylib_constraint(
1232 struct isl_stream
*s
, __isl_take isl_basic_map
*bmap
)
1235 struct isl_token
*tok
;
1245 nparam
= isl_basic_map_dim(bmap
, isl_dim_param
);
1246 dim
= isl_basic_map_dim(bmap
, isl_dim_out
);
1248 tok
= isl_stream_next_token(s
);
1249 if (!tok
|| tok
->type
!= ISL_TOKEN_VALUE
) {
1250 isl_stream_error(s
, tok
, "expecting coefficient");
1252 isl_stream_push_token(s
, tok
);
1255 if (!tok
->on_new_line
) {
1256 isl_stream_error(s
, tok
, "coefficient should appear on new line");
1257 isl_stream_push_token(s
, tok
);
1261 type
= isl_int_get_si(tok
->u
.v
);
1262 isl_token_free(tok
);
1264 isl_assert(s
->ctx
, type
== 0 || type
== 1, goto error
);
1266 k
= isl_basic_map_alloc_equality(bmap
);
1269 k
= isl_basic_map_alloc_inequality(bmap
);
1275 for (j
= 0; j
< 1 + isl_basic_map_total_dim(bmap
); ++j
) {
1277 tok
= isl_stream_next_token(s
);
1278 if (!tok
|| tok
->type
!= ISL_TOKEN_VALUE
) {
1279 isl_stream_error(s
, tok
, "expecting coefficient");
1281 isl_stream_push_token(s
, tok
);
1284 if (tok
->on_new_line
) {
1285 isl_stream_error(s
, tok
,
1286 "coefficient should not appear on new line");
1287 isl_stream_push_token(s
, tok
);
1290 pos
= polylib_pos_to_isl_pos(bmap
, j
);
1291 isl_int_set(c
[pos
], tok
->u
.v
);
1292 isl_token_free(tok
);
1297 isl_basic_map_free(bmap
);
1301 static __isl_give isl_basic_map
*basic_map_read_polylib(struct isl_stream
*s
)
1304 struct isl_token
*tok
;
1305 struct isl_token
*tok2
;
1308 unsigned in
= 0, out
, local
= 0;
1309 struct isl_basic_map
*bmap
= NULL
;
1312 tok
= isl_stream_next_token(s
);
1314 isl_stream_error(s
, NULL
, "unexpected EOF");
1317 tok2
= isl_stream_next_token(s
);
1319 isl_token_free(tok
);
1320 isl_stream_error(s
, NULL
, "unexpected EOF");
1323 if (tok
->type
!= ISL_TOKEN_VALUE
|| tok2
->type
!= ISL_TOKEN_VALUE
) {
1324 isl_stream_push_token(s
, tok2
);
1325 isl_stream_push_token(s
, tok
);
1326 isl_stream_error(s
, NULL
,
1327 "expecting constraint matrix dimensions");
1330 n_row
= isl_int_get_si(tok
->u
.v
);
1331 n_col
= isl_int_get_si(tok2
->u
.v
);
1332 on_new_line
= tok2
->on_new_line
;
1333 isl_token_free(tok2
);
1334 isl_token_free(tok
);
1335 isl_assert(s
->ctx
, !on_new_line
, return NULL
);
1336 isl_assert(s
->ctx
, n_row
>= 0, return NULL
);
1337 isl_assert(s
->ctx
, n_col
>= 2 + nparam
, return NULL
);
1338 tok
= isl_stream_next_token_on_same_line(s
);
1340 if (tok
->type
!= ISL_TOKEN_VALUE
) {
1341 isl_stream_error(s
, tok
,
1342 "expecting number of output dimensions");
1343 isl_stream_push_token(s
, tok
);
1346 out
= isl_int_get_si(tok
->u
.v
);
1347 isl_token_free(tok
);
1349 tok
= isl_stream_next_token_on_same_line(s
);
1350 if (!tok
|| tok
->type
!= ISL_TOKEN_VALUE
) {
1351 isl_stream_error(s
, tok
,
1352 "expecting number of input dimensions");
1354 isl_stream_push_token(s
, tok
);
1357 in
= isl_int_get_si(tok
->u
.v
);
1358 isl_token_free(tok
);
1360 tok
= isl_stream_next_token_on_same_line(s
);
1361 if (!tok
|| tok
->type
!= ISL_TOKEN_VALUE
) {
1362 isl_stream_error(s
, tok
,
1363 "expecting number of existentials");
1365 isl_stream_push_token(s
, tok
);
1368 local
= isl_int_get_si(tok
->u
.v
);
1369 isl_token_free(tok
);
1371 tok
= isl_stream_next_token_on_same_line(s
);
1372 if (!tok
|| tok
->type
!= ISL_TOKEN_VALUE
) {
1373 isl_stream_error(s
, tok
,
1374 "expecting number of parameters");
1376 isl_stream_push_token(s
, tok
);
1379 nparam
= isl_int_get_si(tok
->u
.v
);
1380 isl_token_free(tok
);
1381 if (n_col
!= 1 + out
+ in
+ local
+ nparam
+ 1) {
1382 isl_stream_error(s
, NULL
,
1383 "dimensions don't match");
1387 out
= n_col
- 2 - nparam
;
1388 bmap
= isl_basic_map_alloc(s
->ctx
, nparam
, in
, out
, local
, n_row
, n_row
);
1392 for (i
= 0; i
< local
; ++i
) {
1393 int k
= isl_basic_map_alloc_div(bmap
);
1396 isl_seq_clr(bmap
->div
[k
], 1 + 1 + nparam
+ in
+ out
+ local
);
1399 for (i
= 0; i
< n_row
; ++i
)
1400 bmap
= basic_map_read_polylib_constraint(s
, bmap
);
1402 tok
= isl_stream_next_token_on_same_line(s
);
1404 isl_stream_error(s
, tok
, "unexpected extra token on line");
1405 isl_stream_push_token(s
, tok
);
1409 bmap
= isl_basic_map_simplify(bmap
);
1410 bmap
= isl_basic_map_finalize(bmap
);
1413 isl_basic_map_free(bmap
);
1417 static struct isl_map
*map_read_polylib(struct isl_stream
*s
)
1419 struct isl_token
*tok
;
1420 struct isl_token
*tok2
;
1422 struct isl_map
*map
;
1424 tok
= isl_stream_next_token(s
);
1426 isl_stream_error(s
, NULL
, "unexpected EOF");
1429 tok2
= isl_stream_next_token_on_same_line(s
);
1430 if (tok2
&& tok2
->type
== ISL_TOKEN_VALUE
) {
1431 isl_stream_push_token(s
, tok2
);
1432 isl_stream_push_token(s
, tok
);
1433 return isl_map_from_basic_map(basic_map_read_polylib(s
));
1436 isl_stream_error(s
, tok2
, "unexpected token");
1437 isl_stream_push_token(s
, tok2
);
1438 isl_stream_push_token(s
, tok
);
1441 n
= isl_int_get_si(tok
->u
.v
);
1442 isl_token_free(tok
);
1444 isl_assert(s
->ctx
, n
>= 1, return NULL
);
1446 map
= isl_map_from_basic_map(basic_map_read_polylib(s
));
1448 for (i
= 1; map
&& i
< n
; ++i
)
1449 map
= isl_map_union(map
,
1450 isl_map_from_basic_map(basic_map_read_polylib(s
)));
1455 static int optional_power(struct isl_stream
*s
)
1458 struct isl_token
*tok
;
1460 tok
= isl_stream_next_token(s
);
1463 if (tok
->type
!= '^') {
1464 isl_stream_push_token(s
, tok
);
1467 isl_token_free(tok
);
1468 tok
= isl_stream_next_token(s
);
1469 if (!tok
|| tok
->type
!= ISL_TOKEN_VALUE
) {
1470 isl_stream_error(s
, tok
, "expecting exponent");
1472 isl_stream_push_token(s
, tok
);
1475 pow
= isl_int_get_si(tok
->u
.v
);
1476 isl_token_free(tok
);
1480 static __isl_give isl_pw_qpolynomial
*read_term(struct isl_stream
*s
,
1481 __isl_keep isl_map
*map
, struct vars
*v
);
1483 static __isl_give isl_pw_qpolynomial
*read_factor(struct isl_stream
*s
,
1484 __isl_keep isl_map
*map
, struct vars
*v
)
1486 isl_pw_qpolynomial
*pwqp
;
1487 struct isl_token
*tok
;
1489 tok
= next_token(s
);
1491 isl_stream_error(s
, NULL
, "unexpected EOF");
1494 if (tok
->type
== '(') {
1497 isl_token_free(tok
);
1498 pwqp
= read_term(s
, map
, v
);
1501 if (isl_stream_eat(s
, ')'))
1503 pow
= optional_power(s
);
1504 pwqp
= isl_pw_qpolynomial_pow(pwqp
, pow
);
1505 } else if (tok
->type
== ISL_TOKEN_VALUE
) {
1506 struct isl_token
*tok2
;
1507 tok2
= isl_stream_next_token(s
);
1508 isl_qpolynomial
*qp
;
1509 if (tok2
&& tok2
->type
== '/') {
1510 isl_token_free(tok2
);
1511 tok2
= next_token(s
);
1512 if (!tok2
|| tok2
->type
!= ISL_TOKEN_VALUE
) {
1513 isl_stream_error(s
, tok2
, "expected denominator");
1514 isl_token_free(tok
);
1515 isl_token_free(tok2
);
1518 qp
= isl_qpolynomial_rat_cst_on_domain(isl_map_get_space(map
),
1519 tok
->u
.v
, tok2
->u
.v
);
1520 isl_token_free(tok2
);
1522 isl_stream_push_token(s
, tok2
);
1523 qp
= isl_qpolynomial_cst_on_domain(isl_map_get_space(map
),
1526 isl_token_free(tok
);
1527 pwqp
= isl_pw_qpolynomial_from_qpolynomial(qp
);
1528 } else if (tok
->type
== ISL_TOKEN_INFTY
) {
1529 isl_qpolynomial
*qp
;
1530 isl_token_free(tok
);
1531 qp
= isl_qpolynomial_infty_on_domain(isl_map_get_space(map
));
1532 pwqp
= isl_pw_qpolynomial_from_qpolynomial(qp
);
1533 } else if (tok
->type
== ISL_TOKEN_NAN
) {
1534 isl_qpolynomial
*qp
;
1535 isl_token_free(tok
);
1536 qp
= isl_qpolynomial_nan_on_domain(isl_map_get_space(map
));
1537 pwqp
= isl_pw_qpolynomial_from_qpolynomial(qp
);
1538 } else if (tok
->type
== ISL_TOKEN_IDENT
) {
1540 int pos
= vars_pos(v
, tok
->u
.s
, -1);
1542 isl_qpolynomial
*qp
;
1544 isl_token_free(tok
);
1548 vars_drop(v
, v
->n
- n
);
1549 isl_stream_error(s
, tok
, "unknown identifier");
1550 isl_token_free(tok
);
1553 isl_token_free(tok
);
1554 pow
= optional_power(s
);
1555 qp
= isl_qpolynomial_var_pow_on_domain(isl_map_get_space(map
), pos
, pow
);
1556 pwqp
= isl_pw_qpolynomial_from_qpolynomial(qp
);
1557 } else if (tok
->type
== '[') {
1561 isl_stream_push_token(s
, tok
);
1562 pwaff
= accept_div(s
, isl_map_get_space(map
), v
);
1563 pow
= optional_power(s
);
1564 pwqp
= isl_pw_qpolynomial_from_pw_aff(pwaff
);
1565 pwqp
= isl_pw_qpolynomial_pow(pwqp
, pow
);
1566 } else if (tok
->type
== '-') {
1567 isl_token_free(tok
);
1568 pwqp
= read_factor(s
, map
, v
);
1569 pwqp
= isl_pw_qpolynomial_neg(pwqp
);
1571 isl_stream_error(s
, tok
, "unexpected isl_token");
1572 isl_stream_push_token(s
, tok
);
1576 if (isl_stream_eat_if_available(s
, '*') ||
1577 isl_stream_next_token_is(s
, ISL_TOKEN_IDENT
)) {
1578 isl_pw_qpolynomial
*pwqp2
;
1580 pwqp2
= read_factor(s
, map
, v
);
1581 pwqp
= isl_pw_qpolynomial_mul(pwqp
, pwqp2
);
1586 isl_pw_qpolynomial_free(pwqp
);
1590 static __isl_give isl_pw_qpolynomial
*read_term(struct isl_stream
*s
,
1591 __isl_keep isl_map
*map
, struct vars
*v
)
1593 struct isl_token
*tok
;
1594 isl_pw_qpolynomial
*pwqp
;
1596 pwqp
= read_factor(s
, map
, v
);
1599 tok
= next_token(s
);
1603 if (tok
->type
== '+') {
1604 isl_pw_qpolynomial
*pwqp2
;
1606 isl_token_free(tok
);
1607 pwqp2
= read_factor(s
, map
, v
);
1608 pwqp
= isl_pw_qpolynomial_add(pwqp
, pwqp2
);
1609 } else if (tok
->type
== '-') {
1610 isl_pw_qpolynomial
*pwqp2
;
1612 isl_token_free(tok
);
1613 pwqp2
= read_factor(s
, map
, v
);
1614 pwqp
= isl_pw_qpolynomial_sub(pwqp
, pwqp2
);
1615 } else if (tok
->type
== ISL_TOKEN_VALUE
&&
1616 isl_int_is_neg(tok
->u
.v
)) {
1617 isl_pw_qpolynomial
*pwqp2
;
1619 isl_stream_push_token(s
, tok
);
1620 pwqp2
= read_factor(s
, map
, v
);
1621 pwqp
= isl_pw_qpolynomial_add(pwqp
, pwqp2
);
1623 isl_stream_push_token(s
, tok
);
1631 static __isl_give isl_map
*read_optional_disjuncts(struct isl_stream
*s
,
1632 __isl_take isl_map
*map
, struct vars
*v
)
1634 struct isl_token
*tok
;
1636 tok
= isl_stream_next_token(s
);
1638 isl_stream_error(s
, NULL
, "unexpected EOF");
1641 if (tok
->type
== ':' ||
1642 (tok
->type
== ISL_TOKEN_OR
&& !strcmp(tok
->u
.s
, "|"))) {
1643 isl_token_free(tok
);
1644 map
= read_disjuncts(s
, v
, map
);
1646 isl_stream_push_token(s
, tok
);
1654 static struct isl_obj
obj_read_poly(struct isl_stream
*s
,
1655 __isl_take isl_map
*map
, struct vars
*v
, int n
)
1657 struct isl_obj obj
= { isl_obj_pw_qpolynomial
, NULL
};
1658 isl_pw_qpolynomial
*pwqp
;
1659 struct isl_set
*set
;
1661 pwqp
= read_term(s
, map
, v
);
1662 map
= read_optional_disjuncts(s
, map
, v
);
1663 set
= isl_map_range(map
);
1665 pwqp
= isl_pw_qpolynomial_intersect_domain(pwqp
, set
);
1667 vars_drop(v
, v
->n
- n
);
1673 static struct isl_obj
obj_read_poly_or_fold(struct isl_stream
*s
,
1674 __isl_take isl_set
*set
, struct vars
*v
, int n
)
1676 struct isl_obj obj
= { isl_obj_pw_qpolynomial_fold
, NULL
};
1677 isl_pw_qpolynomial
*pwqp
;
1678 isl_pw_qpolynomial_fold
*pwf
= NULL
;
1680 if (!isl_stream_eat_if_available(s
, ISL_TOKEN_MAX
))
1681 return obj_read_poly(s
, set
, v
, n
);
1683 if (isl_stream_eat(s
, '('))
1686 pwqp
= read_term(s
, set
, v
);
1687 pwf
= isl_pw_qpolynomial_fold_from_pw_qpolynomial(isl_fold_max
, pwqp
);
1689 while (isl_stream_eat_if_available(s
, ',')) {
1690 isl_pw_qpolynomial_fold
*pwf_i
;
1691 pwqp
= read_term(s
, set
, v
);
1692 pwf_i
= isl_pw_qpolynomial_fold_from_pw_qpolynomial(isl_fold_max
,
1694 pwf
= isl_pw_qpolynomial_fold_fold(pwf
, pwf_i
);
1697 if (isl_stream_eat(s
, ')'))
1700 set
= read_optional_disjuncts(s
, set
, v
);
1701 pwf
= isl_pw_qpolynomial_fold_intersect_domain(pwf
, set
);
1703 vars_drop(v
, v
->n
- n
);
1709 isl_pw_qpolynomial_fold_free(pwf
);
1710 obj
.type
= isl_obj_none
;
1714 static int is_rational(struct isl_stream
*s
)
1716 struct isl_token
*tok
;
1718 tok
= isl_stream_next_token(s
);
1721 if (tok
->type
== ISL_TOKEN_RAT
&& isl_stream_next_token_is(s
, ':')) {
1722 isl_token_free(tok
);
1723 isl_stream_eat(s
, ':');
1727 isl_stream_push_token(s
, tok
);
1732 static struct isl_obj
obj_read_body(struct isl_stream
*s
,
1733 __isl_take isl_map
*map
, struct vars
*v
)
1735 struct isl_token
*tok
;
1736 struct isl_obj obj
= { isl_obj_set
, NULL
};
1740 map
= isl_map_set_rational(map
);
1742 if (isl_stream_next_token_is(s
, ':')) {
1743 obj
.type
= isl_obj_set
;
1744 obj
.v
= read_optional_disjuncts(s
, map
, v
);
1748 if (!next_is_tuple(s
))
1749 return obj_read_poly_or_fold(s
, map
, v
, n
);
1751 map
= read_tuple(s
, map
, isl_dim_in
, v
);
1754 tok
= isl_stream_next_token(s
);
1755 if (tok
&& tok
->type
== ISL_TOKEN_TO
) {
1756 obj
.type
= isl_obj_map
;
1757 isl_token_free(tok
);
1758 if (!next_is_tuple(s
)) {
1759 isl_set
*set
= isl_map_domain(map
);
1760 return obj_read_poly_or_fold(s
, set
, v
, n
);
1762 map
= read_tuple(s
, map
, isl_dim_out
, v
);
1766 map
= isl_map_reverse(map
);
1768 isl_stream_push_token(s
, tok
);
1771 map
= read_optional_disjuncts(s
, map
, v
);
1773 vars_drop(v
, v
->n
- n
);
1779 obj
.type
= isl_obj_none
;
1783 static struct isl_obj
to_union(isl_ctx
*ctx
, struct isl_obj obj
)
1785 if (obj
.type
== isl_obj_map
) {
1786 obj
.v
= isl_union_map_from_map(obj
.v
);
1787 obj
.type
= isl_obj_union_map
;
1788 } else if (obj
.type
== isl_obj_set
) {
1789 obj
.v
= isl_union_set_from_set(obj
.v
);
1790 obj
.type
= isl_obj_union_set
;
1791 } else if (obj
.type
== isl_obj_pw_qpolynomial
) {
1792 obj
.v
= isl_union_pw_qpolynomial_from_pw_qpolynomial(obj
.v
);
1793 obj
.type
= isl_obj_union_pw_qpolynomial
;
1794 } else if (obj
.type
== isl_obj_pw_qpolynomial_fold
) {
1795 obj
.v
= isl_union_pw_qpolynomial_fold_from_pw_qpolynomial_fold(obj
.v
);
1796 obj
.type
= isl_obj_union_pw_qpolynomial_fold
;
1798 isl_assert(ctx
, 0, goto error
);
1801 obj
.type
->free(obj
.v
);
1802 obj
.type
= isl_obj_none
;
1806 static struct isl_obj
obj_add(struct isl_ctx
*ctx
,
1807 struct isl_obj obj1
, struct isl_obj obj2
)
1809 if (obj1
.type
== isl_obj_set
&& obj2
.type
== isl_obj_union_set
)
1810 obj1
= to_union(ctx
, obj1
);
1811 if (obj1
.type
== isl_obj_union_set
&& obj2
.type
== isl_obj_set
)
1812 obj2
= to_union(ctx
, obj2
);
1813 if (obj1
.type
== isl_obj_map
&& obj2
.type
== isl_obj_union_map
)
1814 obj1
= to_union(ctx
, obj1
);
1815 if (obj1
.type
== isl_obj_union_map
&& obj2
.type
== isl_obj_map
)
1816 obj2
= to_union(ctx
, obj2
);
1817 if (obj1
.type
== isl_obj_pw_qpolynomial
&&
1818 obj2
.type
== isl_obj_union_pw_qpolynomial
)
1819 obj1
= to_union(ctx
, obj1
);
1820 if (obj1
.type
== isl_obj_union_pw_qpolynomial
&&
1821 obj2
.type
== isl_obj_pw_qpolynomial
)
1822 obj2
= to_union(ctx
, obj2
);
1823 if (obj1
.type
== isl_obj_pw_qpolynomial_fold
&&
1824 obj2
.type
== isl_obj_union_pw_qpolynomial_fold
)
1825 obj1
= to_union(ctx
, obj1
);
1826 if (obj1
.type
== isl_obj_union_pw_qpolynomial_fold
&&
1827 obj2
.type
== isl_obj_pw_qpolynomial_fold
)
1828 obj2
= to_union(ctx
, obj2
);
1829 isl_assert(ctx
, obj1
.type
== obj2
.type
, goto error
);
1830 if (obj1
.type
== isl_obj_map
&& !isl_map_has_equal_space(obj1
.v
, obj2
.v
)) {
1831 obj1
= to_union(ctx
, obj1
);
1832 obj2
= to_union(ctx
, obj2
);
1834 if (obj1
.type
== isl_obj_set
&& !isl_set_has_equal_space(obj1
.v
, obj2
.v
)) {
1835 obj1
= to_union(ctx
, obj1
);
1836 obj2
= to_union(ctx
, obj2
);
1838 if (obj1
.type
== isl_obj_pw_qpolynomial
&&
1839 !isl_pw_qpolynomial_has_equal_space(obj1
.v
, obj2
.v
)) {
1840 obj1
= to_union(ctx
, obj1
);
1841 obj2
= to_union(ctx
, obj2
);
1843 if (obj1
.type
== isl_obj_pw_qpolynomial_fold
&&
1844 !isl_pw_qpolynomial_fold_has_equal_space(obj1
.v
, obj2
.v
)) {
1845 obj1
= to_union(ctx
, obj1
);
1846 obj2
= to_union(ctx
, obj2
);
1848 obj1
.v
= obj1
.type
->add(obj1
.v
, obj2
.v
);
1851 obj1
.type
->free(obj1
.v
);
1852 obj2
.type
->free(obj2
.v
);
1853 obj1
.type
= isl_obj_none
;
1858 static struct isl_obj
obj_read(struct isl_stream
*s
)
1860 isl_map
*map
= NULL
;
1861 struct isl_token
*tok
;
1862 struct vars
*v
= NULL
;
1863 struct isl_obj obj
= { isl_obj_set
, NULL
};
1865 tok
= next_token(s
);
1867 isl_stream_error(s
, NULL
, "unexpected EOF");
1870 if (tok
->type
== ISL_TOKEN_VALUE
) {
1871 struct isl_token
*tok2
;
1872 struct isl_map
*map
;
1874 tok2
= isl_stream_next_token(s
);
1875 if (!tok2
|| tok2
->type
!= ISL_TOKEN_VALUE
||
1876 isl_int_is_neg(tok2
->u
.v
)) {
1878 isl_stream_push_token(s
, tok2
);
1879 obj
.type
= isl_obj_int
;
1880 obj
.v
= isl_int_obj_alloc(s
->ctx
, tok
->u
.v
);
1881 isl_token_free(tok
);
1884 isl_stream_push_token(s
, tok2
);
1885 isl_stream_push_token(s
, tok
);
1886 map
= map_read_polylib(s
);
1889 if (isl_map_may_be_set(map
))
1890 obj
.v
= isl_map_range(map
);
1892 obj
.type
= isl_obj_map
;
1897 v
= vars_new(s
->ctx
);
1899 isl_stream_push_token(s
, tok
);
1902 map
= isl_map_universe(isl_space_params_alloc(s
->ctx
, 0));
1903 if (tok
->type
== '[') {
1904 isl_stream_push_token(s
, tok
);
1905 map
= read_tuple(s
, map
, isl_dim_param
, v
);
1908 tok
= isl_stream_next_token(s
);
1909 if (!tok
|| tok
->type
!= ISL_TOKEN_TO
) {
1910 isl_stream_error(s
, tok
, "expecting '->'");
1912 isl_stream_push_token(s
, tok
);
1915 isl_token_free(tok
);
1916 tok
= isl_stream_next_token(s
);
1918 if (!tok
|| tok
->type
!= '{') {
1919 isl_stream_error(s
, tok
, "expecting '{'");
1921 isl_stream_push_token(s
, tok
);
1924 isl_token_free(tok
);
1926 tok
= isl_stream_next_token(s
);
1929 else if (tok
->type
== ISL_TOKEN_IDENT
&& !strcmp(tok
->u
.s
, "Sym")) {
1930 isl_token_free(tok
);
1931 if (isl_stream_eat(s
, '='))
1933 map
= read_tuple(s
, map
, isl_dim_param
, v
);
1936 } else if (tok
->type
== '}') {
1937 obj
.type
= isl_obj_union_set
;
1938 obj
.v
= isl_union_set_empty(isl_map_get_space(map
));
1939 isl_token_free(tok
);
1942 isl_stream_push_token(s
, tok
);
1947 o
= obj_read_body(s
, isl_map_copy(map
), v
);
1948 if (o
.type
== isl_obj_none
|| !o
.v
)
1953 obj
= obj_add(s
->ctx
, obj
, o
);
1954 if (obj
.type
== isl_obj_none
|| !obj
.v
)
1957 tok
= isl_stream_next_token(s
);
1958 if (!tok
|| tok
->type
!= ';')
1960 isl_token_free(tok
);
1961 if (isl_stream_next_token_is(s
, '}')) {
1962 tok
= isl_stream_next_token(s
);
1967 if (tok
&& tok
->type
== '}') {
1968 isl_token_free(tok
);
1970 isl_stream_error(s
, tok
, "unexpected isl_token");
1972 isl_token_free(tok
);
1982 obj
.type
->free(obj
.v
);
1989 struct isl_obj
isl_stream_read_obj(struct isl_stream
*s
)
1994 __isl_give isl_map
*isl_stream_read_map(struct isl_stream
*s
)
2000 isl_assert(s
->ctx
, obj
.type
== isl_obj_map
||
2001 obj
.type
== isl_obj_set
, goto error
);
2005 obj
.type
->free(obj
.v
);
2009 __isl_give isl_set
*isl_stream_read_set(struct isl_stream
*s
)
2015 if (obj
.type
== isl_obj_map
&& isl_map_may_be_set(obj
.v
)) {
2016 obj
.v
= isl_map_range(obj
.v
);
2017 obj
.type
= isl_obj_set
;
2019 isl_assert(s
->ctx
, obj
.type
== isl_obj_set
, goto error
);
2024 obj
.type
->free(obj
.v
);
2028 __isl_give isl_union_map
*isl_stream_read_union_map(struct isl_stream
*s
)
2033 if (obj
.type
== isl_obj_map
) {
2034 obj
.type
= isl_obj_union_map
;
2035 obj
.v
= isl_union_map_from_map(obj
.v
);
2037 if (obj
.type
== isl_obj_set
) {
2038 obj
.type
= isl_obj_union_set
;
2039 obj
.v
= isl_union_set_from_set(obj
.v
);
2042 isl_assert(s
->ctx
, obj
.type
== isl_obj_union_map
||
2043 obj
.type
== isl_obj_union_set
, goto error
);
2047 obj
.type
->free(obj
.v
);
2051 __isl_give isl_union_set
*isl_stream_read_union_set(struct isl_stream
*s
)
2056 if (obj
.type
== isl_obj_set
) {
2057 obj
.type
= isl_obj_union_set
;
2058 obj
.v
= isl_union_set_from_set(obj
.v
);
2061 isl_assert(s
->ctx
, obj
.type
== isl_obj_union_set
, goto error
);
2065 obj
.type
->free(obj
.v
);
2069 static __isl_give isl_basic_map
*basic_map_read(struct isl_stream
*s
)
2072 struct isl_map
*map
;
2073 struct isl_basic_map
*bmap
;
2080 isl_assert(map
->ctx
, map
->n
<= 1, goto error
);
2083 bmap
= isl_basic_map_empty_like_map(map
);
2085 bmap
= isl_basic_map_copy(map
->p
[0]);
2095 static __isl_give isl_basic_set
*basic_set_read(struct isl_stream
*s
)
2097 isl_basic_map
*bmap
;
2098 bmap
= basic_map_read(s
);
2101 if (!isl_basic_map_may_be_set(bmap
))
2102 isl_die(s
->ctx
, isl_error_invalid
,
2103 "input is not a set", goto error
);
2104 return isl_basic_map_range(bmap
);
2106 isl_basic_map_free(bmap
);
2110 __isl_give isl_basic_map
*isl_basic_map_read_from_file(isl_ctx
*ctx
,
2113 struct isl_basic_map
*bmap
;
2114 struct isl_stream
*s
= isl_stream_new_file(ctx
, input
);
2117 bmap
= basic_map_read(s
);
2122 __isl_give isl_basic_set
*isl_basic_set_read_from_file(isl_ctx
*ctx
,
2125 isl_basic_set
*bset
;
2126 struct isl_stream
*s
= isl_stream_new_file(ctx
, input
);
2129 bset
= basic_set_read(s
);
2134 struct isl_basic_map
*isl_basic_map_read_from_str(struct isl_ctx
*ctx
,
2137 struct isl_basic_map
*bmap
;
2138 struct isl_stream
*s
= isl_stream_new_str(ctx
, str
);
2141 bmap
= basic_map_read(s
);
2146 struct isl_basic_set
*isl_basic_set_read_from_str(struct isl_ctx
*ctx
,
2149 isl_basic_set
*bset
;
2150 struct isl_stream
*s
= isl_stream_new_str(ctx
, str
);
2153 bset
= basic_set_read(s
);
2158 __isl_give isl_map
*isl_map_read_from_file(struct isl_ctx
*ctx
,
2161 struct isl_map
*map
;
2162 struct isl_stream
*s
= isl_stream_new_file(ctx
, input
);
2165 map
= isl_stream_read_map(s
);
2170 __isl_give isl_map
*isl_map_read_from_str(struct isl_ctx
*ctx
,
2173 struct isl_map
*map
;
2174 struct isl_stream
*s
= isl_stream_new_str(ctx
, str
);
2177 map
= isl_stream_read_map(s
);
2182 __isl_give isl_set
*isl_set_read_from_file(struct isl_ctx
*ctx
,
2186 struct isl_stream
*s
= isl_stream_new_file(ctx
, input
);
2189 set
= isl_stream_read_set(s
);
2194 struct isl_set
*isl_set_read_from_str(struct isl_ctx
*ctx
,
2198 struct isl_stream
*s
= isl_stream_new_str(ctx
, str
);
2201 set
= isl_stream_read_set(s
);
2206 __isl_give isl_union_map
*isl_union_map_read_from_file(isl_ctx
*ctx
,
2209 isl_union_map
*umap
;
2210 struct isl_stream
*s
= isl_stream_new_file(ctx
, input
);
2213 umap
= isl_stream_read_union_map(s
);
2218 __isl_give isl_union_map
*isl_union_map_read_from_str(struct isl_ctx
*ctx
,
2221 isl_union_map
*umap
;
2222 struct isl_stream
*s
= isl_stream_new_str(ctx
, str
);
2225 umap
= isl_stream_read_union_map(s
);
2230 __isl_give isl_union_set
*isl_union_set_read_from_file(isl_ctx
*ctx
,
2233 isl_union_set
*uset
;
2234 struct isl_stream
*s
= isl_stream_new_file(ctx
, input
);
2237 uset
= isl_stream_read_union_set(s
);
2242 __isl_give isl_union_set
*isl_union_set_read_from_str(struct isl_ctx
*ctx
,
2245 isl_union_set
*uset
;
2246 struct isl_stream
*s
= isl_stream_new_str(ctx
, str
);
2249 uset
= isl_stream_read_union_set(s
);
2254 static __isl_give isl_vec
*isl_vec_read_polylib(struct isl_stream
*s
)
2256 struct isl_vec
*vec
= NULL
;
2257 struct isl_token
*tok
;
2261 tok
= isl_stream_next_token(s
);
2262 if (!tok
|| tok
->type
!= ISL_TOKEN_VALUE
) {
2263 isl_stream_error(s
, tok
, "expecting vector length");
2267 size
= isl_int_get_si(tok
->u
.v
);
2268 isl_token_free(tok
);
2270 vec
= isl_vec_alloc(s
->ctx
, size
);
2272 for (j
= 0; j
< size
; ++j
) {
2273 tok
= isl_stream_next_token(s
);
2274 if (!tok
|| tok
->type
!= ISL_TOKEN_VALUE
) {
2275 isl_stream_error(s
, tok
, "expecting constant value");
2278 isl_int_set(vec
->el
[j
], tok
->u
.v
);
2279 isl_token_free(tok
);
2284 isl_token_free(tok
);
2289 static __isl_give isl_vec
*vec_read(struct isl_stream
*s
)
2291 return isl_vec_read_polylib(s
);
2294 __isl_give isl_vec
*isl_vec_read_from_file(isl_ctx
*ctx
, FILE *input
)
2297 struct isl_stream
*s
= isl_stream_new_file(ctx
, input
);
2305 __isl_give isl_pw_qpolynomial
*isl_stream_read_pw_qpolynomial(
2306 struct isl_stream
*s
)
2312 isl_assert(s
->ctx
, obj
.type
== isl_obj_pw_qpolynomial
,
2317 obj
.type
->free(obj
.v
);
2321 __isl_give isl_pw_qpolynomial
*isl_pw_qpolynomial_read_from_str(isl_ctx
*ctx
,
2324 isl_pw_qpolynomial
*pwqp
;
2325 struct isl_stream
*s
= isl_stream_new_str(ctx
, str
);
2328 pwqp
= isl_stream_read_pw_qpolynomial(s
);
2333 __isl_give isl_pw_qpolynomial
*isl_pw_qpolynomial_read_from_file(isl_ctx
*ctx
,
2336 isl_pw_qpolynomial
*pwqp
;
2337 struct isl_stream
*s
= isl_stream_new_file(ctx
, input
);
2340 pwqp
= isl_stream_read_pw_qpolynomial(s
);
2345 /* Read an affine expression from "s" with domain (space) "dom".
2346 * We call accept_affine to parse a possibly piecewise affine expression
2347 * and then check that the result is a single affine expression on
2348 * a universe domain.
2350 static __isl_give isl_aff
*read_aff_with_dom(struct isl_stream
*s
,
2351 __isl_take isl_set
*dom
, struct vars
*v
)
2353 isl_aff
*aff
= NULL
;
2354 isl_pw_aff
*pwaff
= NULL
;
2356 if (!isl_set_plain_is_universe(dom
))
2357 isl_die(s
->ctx
, isl_error_invalid
,
2358 "expecting universe domain", goto error
);
2360 if (!isl_set_is_params(dom
) && isl_stream_eat(s
, ISL_TOKEN_TO
))
2363 if (isl_stream_eat(s
, '['))
2366 pwaff
= accept_affine(s
, isl_set_get_space(dom
), v
);
2368 if (isl_stream_eat(s
, ']'))
2370 if (isl_stream_eat(s
, '}'))
2377 isl_die(s
->ctx
, isl_error_invalid
,
2378 "expecting single affine expression", goto error
);
2379 if (!isl_set_plain_is_universe(pwaff
->p
[0].set
))
2380 isl_die(s
->ctx
, isl_error_invalid
,
2381 "expecting universe domain", goto error
);
2383 aff
= isl_aff_copy(pwaff
->p
[0].aff
);
2386 isl_pw_aff_free(pwaff
);
2391 isl_pw_aff_free(pwaff
);
2396 /* Is the next token an identifer not in "v"?
2398 static int next_is_fresh_ident(struct isl_stream
*s
, struct vars
*v
)
2402 struct isl_token
*tok
;
2404 tok
= isl_stream_next_token(s
);
2407 fresh
= tok
->type
== ISL_TOKEN_IDENT
&& vars_pos(v
, tok
->u
.s
, -1) >= n
;
2408 isl_stream_push_token(s
, tok
);
2410 vars_drop(v
, v
->n
- n
);
2415 /* First read the domain of the affine expression, which may be
2416 * a parameter space or a set.
2417 * The tricky part is that we don't know if the domain is a set or not,
2418 * so when we are trying to read the domain, we may actually be reading
2419 * the affine expression itself (defined on a parameter domains)
2420 * If the tuple we are reading is named, we assume it's the domain.
2421 * Also, if inside the tuple, the first thing we find is a nested tuple
2422 * or a new identifier, we again assume it's the domain.
2423 * Otherwise, we assume we are reading an affine expression.
2425 static __isl_give isl_set
*read_aff_domain(struct isl_stream
*s
,
2426 __isl_take isl_set
*dom
, struct vars
*v
)
2428 struct isl_token
*tok
;
2430 tok
= isl_stream_next_token(s
);
2431 if (tok
&& (tok
->type
== ISL_TOKEN_IDENT
|| tok
->is_keyword
)) {
2432 isl_stream_push_token(s
, tok
);
2433 return read_tuple(s
, dom
, isl_dim_set
, v
);
2435 if (!tok
|| tok
->type
!= '[') {
2436 isl_stream_error(s
, tok
, "expecting '['");
2439 if (next_is_tuple(s
) || next_is_fresh_ident(s
, v
)) {
2440 isl_stream_push_token(s
, tok
);
2441 dom
= read_tuple(s
, dom
, isl_dim_set
, v
);
2443 isl_stream_push_token(s
, tok
);
2448 isl_stream_push_token(s
, tok
);
2454 /* Read an affine expression from "s".
2455 * We first read the domain of the affine expression, which may be
2456 * a parameter space or a set, and then call read_aff_with_dom.
2458 __isl_give isl_aff
*isl_stream_read_aff(struct isl_stream
*s
)
2461 isl_set
*dom
= NULL
;
2463 v
= vars_new(s
->ctx
);
2467 dom
= isl_set_universe(isl_space_params_alloc(s
->ctx
, 0));
2468 if (next_is_tuple(s
)) {
2469 dom
= read_tuple(s
, dom
, isl_dim_param
, v
);
2470 if (isl_stream_eat(s
, ISL_TOKEN_TO
))
2473 if (isl_stream_eat(s
, '{'))
2476 dom
= read_aff_domain(s
, dom
, v
);
2477 return read_aff_with_dom(s
, dom
, v
);
2484 /* Read a piecewise affine expression from "s" with domain (space) "dom".
2486 static __isl_give isl_pw_aff
*read_pw_aff_with_dom(struct isl_stream
*s
,
2487 __isl_take isl_set
*dom
, struct vars
*v
)
2489 isl_pw_aff
*pwaff
= NULL
;
2491 if (!isl_set_is_params(dom
) && isl_stream_eat(s
, ISL_TOKEN_TO
))
2494 if (isl_stream_eat(s
, '['))
2497 pwaff
= accept_affine(s
, isl_set_get_space(dom
), v
);
2499 if (isl_stream_eat(s
, ']'))
2502 dom
= read_optional_disjuncts(s
, dom
, v
);
2503 pwaff
= isl_pw_aff_intersect_domain(pwaff
, dom
);
2508 isl_pw_aff_free(pwaff
);
2512 __isl_give isl_pw_aff
*isl_stream_read_pw_aff(struct isl_stream
*s
)
2515 isl_set
*dom
= NULL
;
2517 isl_pw_aff
*pa
= NULL
;
2520 v
= vars_new(s
->ctx
);
2524 dom
= isl_set_universe(isl_space_params_alloc(s
->ctx
, 0));
2525 if (next_is_tuple(s
)) {
2526 dom
= read_tuple(s
, dom
, isl_dim_param
, v
);
2527 if (isl_stream_eat(s
, ISL_TOKEN_TO
))
2530 if (isl_stream_eat(s
, '{'))
2534 aff_dom
= read_aff_domain(s
, isl_set_copy(dom
), v
);
2535 pa
= read_pw_aff_with_dom(s
, aff_dom
, v
);
2536 vars_drop(v
, v
->n
- n
);
2538 while (isl_stream_eat_if_available(s
, ';')) {
2542 aff_dom
= read_aff_domain(s
, isl_set_copy(dom
), v
);
2543 pa_i
= read_pw_aff_with_dom(s
, aff_dom
, v
);
2544 vars_drop(v
, v
->n
- n
);
2546 pa
= isl_pw_aff_union_add(pa
, pa_i
);
2549 if (isl_stream_eat(s
, '}'))
2558 isl_pw_aff_free(pa
);
2562 __isl_give isl_aff
*isl_aff_read_from_str(isl_ctx
*ctx
, const char *str
)
2565 struct isl_stream
*s
= isl_stream_new_str(ctx
, str
);
2568 aff
= isl_stream_read_aff(s
);
2573 __isl_give isl_pw_aff
*isl_pw_aff_read_from_str(isl_ctx
*ctx
, const char *str
)
2576 struct isl_stream
*s
= isl_stream_new_str(ctx
, str
);
2579 pa
= isl_stream_read_pw_aff(s
);
2584 /* Read an isl_pw_multi_aff from "s".
2585 * We currently read a generic object and if it turns out to be a set or
2586 * a map, we convert that to an isl_pw_multi_aff.
2587 * It would be more efficient if we were to construct the isl_pw_multi_aff
2590 __isl_give isl_pw_multi_aff
*isl_stream_read_pw_multi_aff(struct isl_stream
*s
)
2598 if (obj
.type
== isl_obj_map
)
2599 return isl_pw_multi_aff_from_map(obj
.v
);
2600 if (obj
.type
== isl_obj_set
)
2601 return isl_pw_multi_aff_from_set(obj
.v
);
2603 obj
.type
->free(obj
.v
);
2604 isl_die(s
->ctx
, isl_error_invalid
, "unexpected object type",
2608 __isl_give isl_pw_multi_aff
*isl_pw_multi_aff_read_from_str(isl_ctx
*ctx
,
2611 isl_pw_multi_aff
*pma
;
2612 struct isl_stream
*s
= isl_stream_new_str(ctx
, str
);
2615 pma
= isl_stream_read_pw_multi_aff(s
);
2620 /* Read a multi-affine expression from "s".
2621 * We call isl_stream_read_pw_multi_aff to parse a possibly piecewise
2622 * multi-affine expression and then check that the result is
2623 * a single multi-affine expression on a universe domain.
2625 __isl_give isl_multi_aff
*isl_stream_read_multi_aff(struct isl_stream
*s
)
2627 isl_pw_multi_aff
*pma
;
2628 isl_multi_aff
*maff
;
2630 pma
= isl_stream_read_pw_multi_aff(s
);
2634 isl_die(s
->ctx
, isl_error_invalid
,
2635 "expecting single list of affine expressions",
2636 return isl_pw_multi_aff_free(pma
));
2637 if (!isl_set_plain_is_universe(pma
->p
[0].set
))
2638 isl_die(s
->ctx
, isl_error_invalid
, "expecting universe domain",
2639 return isl_pw_multi_aff_free(pma
));
2640 maff
= isl_multi_aff_copy(pma
->p
[0].maff
);
2641 isl_pw_multi_aff_free(pma
);
2645 __isl_give isl_multi_aff
*isl_multi_aff_read_from_str(isl_ctx
*ctx
,
2648 isl_multi_aff
*maff
;
2649 struct isl_stream
*s
= isl_stream_new_str(ctx
, str
);
2652 maff
= isl_stream_read_multi_aff(s
);
2657 __isl_give isl_union_pw_qpolynomial
*isl_stream_read_union_pw_qpolynomial(
2658 struct isl_stream
*s
)
2663 if (obj
.type
== isl_obj_pw_qpolynomial
) {
2664 obj
.type
= isl_obj_union_pw_qpolynomial
;
2665 obj
.v
= isl_union_pw_qpolynomial_from_pw_qpolynomial(obj
.v
);
2668 isl_assert(s
->ctx
, obj
.type
== isl_obj_union_pw_qpolynomial
,
2673 obj
.type
->free(obj
.v
);
2677 __isl_give isl_union_pw_qpolynomial
*isl_union_pw_qpolynomial_read_from_str(
2678 isl_ctx
*ctx
, const char *str
)
2680 isl_union_pw_qpolynomial
*upwqp
;
2681 struct isl_stream
*s
= isl_stream_new_str(ctx
, str
);
2684 upwqp
= isl_stream_read_union_pw_qpolynomial(s
);