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
19 #include "isl_stream.h"
20 #include "isl_map_private.h"
25 struct variable
*next
;
34 static struct vars
*vars_new(struct isl_ctx
*ctx
)
37 v
= isl_alloc_type(ctx
, struct vars
);
46 static void variable_free(struct variable
*var
)
49 struct variable
*next
= var
->next
;
56 static void vars_free(struct vars
*v
)
64 static void vars_drop(struct vars
*v
, int n
)
75 struct variable
*next
= var
->next
;
83 static struct variable
*variable_new(struct vars
*v
, const char *name
, int len
,
87 var
= isl_alloc_type(v
->ctx
, struct variable
);
90 var
->name
= strdup(name
);
91 var
->name
[len
] = '\0';
100 static int vars_pos(struct vars
*v
, const char *s
, int len
)
107 for (q
= v
->v
; q
; q
= q
->next
) {
108 if (strncmp(q
->name
, s
, len
) == 0 && q
->name
[len
] == '\0')
115 v
->v
= variable_new(v
, s
, len
, v
->n
);
123 static __isl_give isl_basic_map
*set_name(__isl_take isl_basic_map
*bmap
,
124 enum isl_dim_type type
, unsigned pos
, char *name
)
133 prime
= strchr(name
, '\'');
136 bmap
->dim
= isl_dim_set_name(bmap
->dim
, type
, pos
, name
);
145 isl_basic_map_free(bmap
);
149 static struct isl_vec
*accept_affine(struct isl_stream
*s
, struct vars
*v
)
151 struct isl_token
*tok
= NULL
;
155 aff
= isl_vec_alloc(v
->ctx
, 1 + v
->n
);
156 isl_seq_clr(aff
->el
, aff
->size
);
161 tok
= isl_stream_next_token(s
);
163 isl_stream_error(s
, NULL
, "unexpected EOF");
166 if (tok
->type
== ISL_TOKEN_IDENT
) {
168 int pos
= vars_pos(v
, tok
->u
.s
, -1);
172 isl_stream_error(s
, tok
, "unknown identifier");
177 isl_int_add_ui(aff
->el
[1 + pos
],
178 aff
->el
[1 + pos
], 1);
180 isl_int_sub_ui(aff
->el
[1 + pos
],
181 aff
->el
[1 + pos
], 1);
183 } else if (tok
->type
== ISL_TOKEN_VALUE
) {
184 struct isl_token
*tok2
;
187 tok2
= isl_stream_next_token(s
);
188 if (tok2
&& tok2
->type
== ISL_TOKEN_IDENT
) {
189 pos
= vars_pos(v
, tok2
->u
.s
, -1);
193 isl_stream_error(s
, tok2
,
194 "unknown identifier");
196 isl_token_free(tok2
);
199 isl_token_free(tok2
);
201 isl_stream_push_token(s
, tok2
);
203 isl_int_neg(tok
->u
.v
, tok
->u
.v
);
204 isl_int_add(aff
->el
[1 + pos
],
205 aff
->el
[1 + pos
], tok
->u
.v
);
207 } else if (tok
->type
== '-') {
209 } else if (tok
->type
== '+') {
212 isl_stream_push_token(s
, tok
);
224 static __isl_give isl_basic_map
*read_var_list(struct isl_stream
*s
,
225 __isl_take isl_basic_map
*bmap
, enum isl_dim_type type
, struct vars
*v
)
228 struct isl_token
*tok
;
230 while ((tok
= isl_stream_next_token(s
)) != NULL
) {
233 if (tok
->type
== ISL_TOKEN_IDENT
) {
235 int p
= vars_pos(v
, tok
->u
.s
, -1);
242 bmap
= isl_basic_map_add(bmap
, type
, 1);
243 bmap
= set_name(bmap
, type
, i
, v
->v
->name
);
245 } else if (tok
->type
== ISL_TOKEN_IDENT
||
246 tok
->type
== ISL_TOKEN_VALUE
) {
249 if (type
== isl_dim_param
) {
250 isl_stream_error(s
, tok
,
251 "expecting unique identifier");
254 isl_stream_push_token(s
, tok
);
256 vec
= accept_affine(s
, v
);
259 v
->v
= variable_new(v
, "", 0, v
->n
);
263 bmap
= isl_basic_map_add(bmap
, type
, 1);
264 bmap
= isl_basic_map_extend_constraints(bmap
, 1, 0);
265 k
= isl_basic_map_alloc_equality(bmap
);
267 isl_seq_cpy(bmap
->eq
[k
], vec
->el
, vec
->size
);
268 isl_int_set_si(bmap
->eq
[k
][vec
->size
], -1);
276 tok
= isl_stream_next_token(s
);
277 if (!tok
|| tok
->type
!= ',')
284 isl_stream_push_token(s
, tok
);
289 isl_basic_map_free(bmap
);
293 static __isl_give isl_mat
*accept_affine_list(struct isl_stream
*s
,
298 struct isl_token
*tok
= NULL
;
300 vec
= accept_affine(s
, v
);
301 mat
= isl_mat_from_row_vec(vec
);
306 tok
= isl_stream_next_token(s
);
308 isl_stream_error(s
, NULL
, "unexpected EOF");
311 if (tok
->type
!= ',') {
312 isl_stream_push_token(s
, tok
);
317 vec
= accept_affine(s
, v
);
318 mat
= isl_mat_vec_concat(mat
, vec
);
329 static struct isl_basic_map
*add_div_definition(struct isl_stream
*s
,
330 struct vars
*v
, struct isl_basic_map
*bmap
, int k
)
332 struct isl_token
*tok
;
336 if (isl_stream_eat(s
, '['))
339 tok
= isl_stream_next_token(s
);
342 if (tok
->type
== '(') {
346 isl_stream_push_token(s
, tok
);
348 aff
= accept_affine(s
, v
);
352 isl_seq_cpy(bmap
->div
[k
] + 1, aff
->el
, aff
->size
);
356 if (seen_paren
&& isl_stream_eat(s
, ')'))
358 if (isl_stream_eat(s
, '/'))
361 tok
= isl_stream_next_token(s
);
364 if (tok
->type
!= ISL_TOKEN_VALUE
) {
365 isl_stream_error(s
, tok
, "expected denominator");
366 isl_stream_push_token(s
, tok
);
369 isl_int_set(bmap
->div
[k
][0], tok
->u
.v
);
372 if (isl_stream_eat(s
, ']'))
375 if (isl_basic_map_add_div_constraints(bmap
, k
) < 0)
380 isl_basic_map_free(bmap
);
384 static struct isl_basic_map
*read_defined_var_list(struct isl_stream
*s
,
385 struct vars
*v
, struct isl_basic_map
*bmap
)
387 struct isl_token
*tok
;
389 while ((tok
= isl_stream_next_token(s
)) != NULL
) {
393 unsigned total
= isl_basic_map_total_dim(bmap
);
395 if (tok
->type
!= ISL_TOKEN_IDENT
)
398 p
= vars_pos(v
, tok
->u
.s
, -1);
402 isl_stream_error(s
, tok
, "expecting unique identifier");
407 bmap
= isl_basic_map_cow(bmap
);
408 bmap
= isl_basic_map_extend_dim(bmap
, isl_dim_copy(bmap
->dim
),
411 if ((k
= isl_basic_map_alloc_div(bmap
)) < 0)
413 isl_seq_clr(bmap
->div
[k
], 1 + 1 + total
);
415 tok
= isl_stream_next_token(s
);
416 if (tok
&& tok
->type
== '=') {
418 bmap
= add_div_definition(s
, v
, bmap
, k
);
419 tok
= isl_stream_next_token(s
);
422 if (!tok
|| tok
->type
!= ',')
428 isl_stream_push_token(s
, tok
);
433 isl_basic_map_free(bmap
);
437 static __isl_give isl_basic_map
*read_tuple(struct isl_stream
*s
,
438 __isl_take isl_basic_map
*bmap
, enum isl_dim_type type
, struct vars
*v
)
440 struct isl_token
*tok
;
442 tok
= isl_stream_next_token(s
);
443 if (!tok
|| tok
->type
!= '[') {
444 isl_stream_error(s
, tok
, "expecting '['");
448 bmap
= read_var_list(s
, bmap
, type
, v
);
449 tok
= isl_stream_next_token(s
);
450 if (!tok
|| tok
->type
!= ']') {
451 isl_stream_error(s
, tok
, "expecting ']'");
460 isl_basic_map_free(bmap
);
464 static struct isl_basic_map
*add_constraints(struct isl_stream
*s
,
465 struct vars
*v
, struct isl_basic_map
*bmap
);
467 static struct isl_basic_map
*add_exists(struct isl_stream
*s
,
468 struct vars
*v
, struct isl_basic_map
*bmap
)
470 struct isl_token
*tok
;
477 tok
= isl_stream_next_token(s
);
480 if (tok
->type
== '(') {
484 isl_stream_push_token(s
, tok
);
486 bmap
= read_defined_var_list(s
, v
, bmap
);
490 if (isl_stream_eat(s
, ':'))
492 bmap
= add_constraints(s
, v
, bmap
);
493 if (seen_paren
&& isl_stream_eat(s
, ')'))
497 isl_basic_map_free(bmap
);
501 static __isl_give isl_basic_map
*construct_constraint(
502 __isl_take isl_basic_map
*bmap
, enum isl_token_type type
,
503 isl_int
*left
, isl_int
*right
)
511 len
= 1 + isl_basic_map_total_dim(bmap
);
514 k
= isl_basic_map_alloc_inequality(bmap
);
517 if (type
== ISL_TOKEN_LE
)
518 isl_seq_combine(bmap
->ineq
[k
], ctx
->negone
, left
,
521 else if (type
== ISL_TOKEN_GE
)
522 isl_seq_combine(bmap
->ineq
[k
], ctx
->one
, left
,
525 else if (type
== ISL_TOKEN_LT
) {
526 isl_seq_combine(bmap
->ineq
[k
], ctx
->negone
, left
,
529 isl_int_sub_ui(bmap
->ineq
[k
][0], bmap
->ineq
[k
][0], 1);
530 } else if (type
== ISL_TOKEN_GT
) {
531 isl_seq_combine(bmap
->ineq
[k
], ctx
->one
, left
,
534 isl_int_sub_ui(bmap
->ineq
[k
][0], bmap
->ineq
[k
][0], 1);
536 isl_seq_combine(bmap
->ineq
[k
], ctx
->one
, left
,
539 isl_basic_map_inequality_to_equality(bmap
, k
);
544 isl_basic_map_free(bmap
);
548 static int is_comparator(struct isl_token
*tok
)
565 static struct isl_basic_map
*add_constraint(struct isl_stream
*s
,
566 struct vars
*v
, struct isl_basic_map
*bmap
)
569 unsigned total
= isl_basic_map_total_dim(bmap
);
570 struct isl_token
*tok
= NULL
;
571 struct isl_mat
*aff1
= NULL
, *aff2
= NULL
;
573 tok
= isl_stream_next_token(s
);
576 if (tok
->type
== ISL_TOKEN_EXISTS
) {
578 return add_exists(s
, v
, bmap
);
580 isl_stream_push_token(s
, tok
);
583 bmap
= isl_basic_map_cow(bmap
);
585 aff1
= accept_affine_list(s
, v
);
588 tok
= isl_stream_next_token(s
);
589 if (!is_comparator(tok
)) {
590 isl_stream_error(s
, tok
, "missing operator");
592 isl_stream_push_token(s
, tok
);
596 isl_assert(aff1
->ctx
, aff1
->n_col
== 1 + total
, goto error
);
598 aff2
= accept_affine_list(s
, v
);
601 isl_assert(aff2
->ctx
, aff2
->n_col
== 1 + total
, goto error
);
603 bmap
= isl_basic_map_extend_constraints(bmap
, 0,
604 aff1
->n_row
* aff2
->n_row
);
605 for (i
= 0; i
< aff1
->n_row
; ++i
)
606 for (j
= 0; j
< aff2
->n_row
; ++j
)
607 bmap
= construct_constraint(bmap
, tok
->type
,
608 aff1
->row
[i
], aff2
->row
[j
]);
613 tok
= isl_stream_next_token(s
);
614 if (!is_comparator(tok
)) {
616 isl_stream_push_token(s
, tok
);
628 isl_basic_map_free(bmap
);
632 static struct isl_basic_map
*add_constraints(struct isl_stream
*s
,
633 struct vars
*v
, struct isl_basic_map
*bmap
)
635 struct isl_token
*tok
;
638 bmap
= add_constraint(s
, v
, bmap
);
641 tok
= isl_stream_next_token(s
);
643 isl_stream_error(s
, NULL
, "unexpected EOF");
646 if (tok
->type
!= ISL_TOKEN_AND
)
650 isl_stream_push_token(s
, tok
);
656 isl_basic_map_free(bmap
);
660 static struct isl_basic_map
*read_disjunct(struct isl_stream
*s
,
661 struct vars
*v
, __isl_take isl_dim
*dim
)
664 struct isl_token
*tok
;
665 struct isl_basic_map
*bmap
;
667 bmap
= isl_basic_map_alloc_dim(dim
, 0, 0, 0);
671 tok
= isl_stream_next_token(s
);
674 if (tok
->type
== '(') {
678 isl_stream_push_token(s
, tok
);
680 bmap
= add_constraints(s
, v
, bmap
);
681 bmap
= isl_basic_map_simplify(bmap
);
682 bmap
= isl_basic_map_finalize(bmap
);
684 if (seen_paren
&& isl_stream_eat(s
, ')'))
689 isl_basic_map_free(bmap
);
693 static struct isl_map
*read_disjuncts(struct isl_stream
*s
,
694 struct vars
*v
, __isl_take isl_dim
*dim
)
696 struct isl_token
*tok
;
699 tok
= isl_stream_next_token(s
);
701 isl_stream_error(s
, NULL
, "unexpected EOF");
704 if (tok
->type
== '}') {
705 isl_stream_push_token(s
, tok
);
706 return isl_map_universe(dim
);
708 isl_stream_push_token(s
, tok
);
710 map
= isl_map_empty(isl_dim_copy(dim
));
712 struct isl_basic_map
*bmap
;
715 bmap
= read_disjunct(s
, v
, isl_dim_copy(dim
));
716 map
= isl_map_union(map
, isl_map_from_basic_map(bmap
));
718 vars_drop(v
, v
->n
- n
);
720 tok
= isl_stream_next_token(s
);
721 if (!tok
|| tok
->type
!= ISL_TOKEN_OR
)
726 isl_stream_push_token(s
, tok
);
735 static int polylib_pos_to_isl_pos(__isl_keep isl_basic_map
*bmap
, int pos
)
737 if (pos
< isl_basic_map_dim(bmap
, isl_dim_out
))
738 return 1 + isl_basic_map_dim(bmap
, isl_dim_param
) +
739 isl_basic_map_dim(bmap
, isl_dim_in
) + pos
;
740 pos
-= isl_basic_map_dim(bmap
, isl_dim_out
);
742 if (pos
< isl_basic_map_dim(bmap
, isl_dim_in
))
743 return 1 + isl_basic_map_dim(bmap
, isl_dim_param
) + pos
;
744 pos
-= isl_basic_map_dim(bmap
, isl_dim_in
);
746 if (pos
< isl_basic_map_dim(bmap
, isl_dim_div
))
747 return 1 + isl_basic_map_dim(bmap
, isl_dim_param
) +
748 isl_basic_map_dim(bmap
, isl_dim_in
) +
749 isl_basic_map_dim(bmap
, isl_dim_out
) + pos
;
750 pos
-= isl_basic_map_dim(bmap
, isl_dim_div
);
752 if (pos
< isl_basic_map_dim(bmap
, isl_dim_param
))
758 static __isl_give isl_basic_map
*basic_map_read_polylib_constraint(
759 struct isl_stream
*s
, __isl_take isl_basic_map
*bmap
)
762 struct isl_token
*tok
;
772 nparam
= isl_basic_map_dim(bmap
, isl_dim_param
);
773 dim
= isl_basic_map_dim(bmap
, isl_dim_out
);
775 tok
= isl_stream_next_token(s
);
776 if (!tok
|| tok
->type
!= ISL_TOKEN_VALUE
) {
777 isl_stream_error(s
, tok
, "expecting coefficient");
779 isl_stream_push_token(s
, tok
);
782 if (!tok
->on_new_line
) {
783 isl_stream_error(s
, tok
, "coefficient should appear on new line");
784 isl_stream_push_token(s
, tok
);
788 type
= isl_int_get_si(tok
->u
.v
);
791 isl_assert(s
->ctx
, type
== 0 || type
== 1, goto error
);
793 k
= isl_basic_map_alloc_equality(bmap
);
796 k
= isl_basic_map_alloc_inequality(bmap
);
802 for (j
= 0; j
< 1 + isl_basic_map_total_dim(bmap
); ++j
) {
804 tok
= isl_stream_next_token(s
);
805 if (!tok
|| tok
->type
!= ISL_TOKEN_VALUE
) {
806 isl_stream_error(s
, tok
, "expecting coefficient");
808 isl_stream_push_token(s
, tok
);
811 if (tok
->on_new_line
) {
812 isl_stream_error(s
, tok
,
813 "coefficient should not appear on new line");
814 isl_stream_push_token(s
, tok
);
817 pos
= polylib_pos_to_isl_pos(bmap
, j
);
818 isl_int_set(c
[pos
], tok
->u
.v
);
824 isl_basic_map_free(bmap
);
828 static __isl_give isl_basic_map
*basic_map_read_polylib(struct isl_stream
*s
,
832 struct isl_token
*tok
;
833 struct isl_token
*tok2
;
836 unsigned in
= 0, out
, local
= 0;
837 struct isl_basic_map
*bmap
= NULL
;
842 tok
= isl_stream_next_token(s
);
844 isl_stream_error(s
, NULL
, "unexpected EOF");
847 tok2
= isl_stream_next_token(s
);
850 isl_stream_error(s
, NULL
, "unexpected EOF");
853 n_row
= isl_int_get_si(tok
->u
.v
);
854 n_col
= isl_int_get_si(tok2
->u
.v
);
855 on_new_line
= tok2
->on_new_line
;
856 isl_token_free(tok2
);
858 isl_assert(s
->ctx
, !on_new_line
, return NULL
);
859 isl_assert(s
->ctx
, n_row
>= 0, return NULL
);
860 isl_assert(s
->ctx
, n_col
>= 2 + nparam
, return NULL
);
861 tok
= isl_stream_next_token_on_same_line(s
);
863 if (tok
->type
!= ISL_TOKEN_VALUE
) {
864 isl_stream_error(s
, tok
,
865 "expecting number of output dimensions");
866 isl_stream_push_token(s
, tok
);
869 out
= isl_int_get_si(tok
->u
.v
);
872 tok
= isl_stream_next_token_on_same_line(s
);
873 if (!tok
|| tok
->type
!= ISL_TOKEN_VALUE
) {
874 isl_stream_error(s
, tok
,
875 "expecting number of input dimensions");
877 isl_stream_push_token(s
, tok
);
880 in
= isl_int_get_si(tok
->u
.v
);
883 tok
= isl_stream_next_token_on_same_line(s
);
884 if (!tok
|| tok
->type
!= ISL_TOKEN_VALUE
) {
885 isl_stream_error(s
, tok
,
886 "expecting number of existentials");
888 isl_stream_push_token(s
, tok
);
891 local
= isl_int_get_si(tok
->u
.v
);
894 tok
= isl_stream_next_token_on_same_line(s
);
895 if (!tok
|| tok
->type
!= ISL_TOKEN_VALUE
) {
896 isl_stream_error(s
, tok
,
897 "expecting number of parameters");
899 isl_stream_push_token(s
, tok
);
902 nparam
= isl_int_get_si(tok
->u
.v
);
904 if (n_col
!= 1 + out
+ in
+ local
+ nparam
+ 1) {
905 isl_stream_error(s
, NULL
,
906 "dimensions don't match");
910 out
= n_col
- 2 - nparam
;
911 bmap
= isl_basic_map_alloc(s
->ctx
, nparam
, in
, out
, local
, n_row
, n_row
);
915 for (i
= 0; i
< local
; ++i
) {
916 int k
= isl_basic_map_alloc_div(bmap
);
921 for (i
= 0; i
< n_row
; ++i
)
922 bmap
= basic_map_read_polylib_constraint(s
, bmap
);
924 tok
= isl_stream_next_token_on_same_line(s
);
926 isl_stream_error(s
, tok
, "unexpected extra token on line");
927 isl_stream_push_token(s
, tok
);
931 bmap
= isl_basic_map_simplify(bmap
);
932 bmap
= isl_basic_map_finalize(bmap
);
935 isl_basic_map_free(bmap
);
939 static struct isl_map
*map_read_polylib(struct isl_stream
*s
, int nparam
)
941 struct isl_token
*tok
;
942 struct isl_token
*tok2
;
946 tok
= isl_stream_next_token(s
);
948 isl_stream_error(s
, NULL
, "unexpected EOF");
951 tok2
= isl_stream_next_token_on_same_line(s
);
953 isl_stream_push_token(s
, tok2
);
954 isl_stream_push_token(s
, tok
);
955 return isl_map_from_basic_map(basic_map_read_polylib(s
, nparam
));
957 n
= isl_int_get_si(tok
->u
.v
);
960 isl_assert(s
->ctx
, n
>= 1, return NULL
);
962 map
= isl_map_from_basic_map(basic_map_read_polylib(s
, nparam
));
964 for (i
= 1; i
< n
; ++i
)
965 map
= isl_map_union(map
,
966 isl_map_from_basic_map(basic_map_read_polylib(s
, nparam
)));
971 static struct isl_map
*map_read_body(struct isl_stream
*s
,
972 __isl_take isl_basic_map
*bmap
, struct vars
*v
)
974 struct isl_map
*map
= NULL
;
975 struct isl_token
*tok
;
978 bmap
= read_tuple(s
, bmap
, isl_dim_in
, v
);
981 tok
= isl_stream_next_token(s
);
982 if (tok
&& tok
->type
== ISL_TOKEN_TO
) {
984 bmap
= read_tuple(s
, bmap
, isl_dim_out
, v
);
988 bmap
= isl_basic_map_reverse(bmap
);
990 isl_stream_push_token(s
, tok
);
992 tok
= isl_stream_next_token(s
);
994 isl_stream_error(s
, NULL
, "unexpected EOF");
997 map
= isl_map_from_basic_map(isl_basic_map_copy(bmap
));
998 if (tok
->type
== ':') {
1000 map
= isl_map_intersect(map
,
1001 read_disjuncts(s
, v
, isl_basic_map_get_dim(bmap
)));
1003 isl_stream_push_token(s
, tok
);
1005 vars_drop(v
, v
->n
- n
);
1007 isl_basic_map_free(bmap
);
1010 isl_basic_map_free(bmap
);
1014 static struct isl_map
*map_read(struct isl_stream
*s
, int nparam
)
1016 struct isl_basic_map
*bmap
= NULL
;
1017 struct isl_map
*map
= NULL
;
1018 struct isl_token
*tok
;
1019 struct vars
*v
= NULL
;
1021 tok
= isl_stream_next_token(s
);
1023 isl_stream_error(s
, NULL
, "unexpected EOF");
1026 if (tok
->type
== ISL_TOKEN_VALUE
) {
1027 isl_stream_push_token(s
, tok
);
1028 return map_read_polylib(s
, nparam
);
1030 v
= vars_new(s
->ctx
);
1031 bmap
= isl_basic_map_alloc(s
->ctx
, 0, 0, 0, 0, 0, 0);
1032 if (tok
->type
== '[') {
1033 isl_stream_push_token(s
, tok
);
1034 bmap
= read_tuple(s
, bmap
, isl_dim_param
, v
);
1038 isl_assert(s
->ctx
, nparam
== v
->n
, goto error
);
1039 tok
= isl_stream_next_token(s
);
1040 if (!tok
|| tok
->type
!= ISL_TOKEN_TO
) {
1041 isl_stream_error(s
, tok
, "expecting '->'");
1043 isl_stream_push_token(s
, tok
);
1046 isl_token_free(tok
);
1047 tok
= isl_stream_next_token(s
);
1049 bmap
= isl_basic_map_add(bmap
, isl_dim_param
, nparam
);
1050 if (!tok
|| tok
->type
!= '{') {
1051 isl_stream_error(s
, tok
, "expecting '{'");
1053 isl_stream_push_token(s
, tok
);
1056 isl_token_free(tok
);
1059 isl_map
*m
= map_read_body(s
, isl_basic_map_copy(bmap
), v
);
1063 map
= isl_map_union(map
, m
);
1066 tok
= isl_stream_next_token(s
);
1067 if (!tok
|| tok
->type
!= ';')
1069 isl_token_free(tok
);
1072 if (tok
&& tok
->type
== '}') {
1073 isl_token_free(tok
);
1075 isl_stream_error(s
, tok
, "unexpected isl_token");
1077 isl_token_free(tok
);
1081 isl_basic_map_free(bmap
);
1085 isl_basic_map_free(bmap
);
1092 static struct isl_basic_map
*basic_map_read(struct isl_stream
*s
, int nparam
)
1094 struct isl_map
*map
;
1095 struct isl_basic_map
*bmap
;
1097 map
= map_read(s
, nparam
);
1101 isl_assert(map
->ctx
, map
->n
<= 1, goto error
);
1104 bmap
= isl_basic_map_empty_like_map(map
);
1106 bmap
= isl_basic_map_copy(map
->p
[0]);
1116 __isl_give isl_basic_map
*isl_basic_map_read_from_file(isl_ctx
*ctx
,
1117 FILE *input
, int nparam
)
1119 struct isl_basic_map
*bmap
;
1120 struct isl_stream
*s
= isl_stream_new_file(ctx
, input
);
1123 bmap
= basic_map_read(s
, nparam
);
1128 __isl_give isl_basic_set
*isl_basic_set_read_from_file(isl_ctx
*ctx
,
1129 FILE *input
, int nparam
)
1131 struct isl_basic_map
*bmap
;
1132 bmap
= isl_basic_map_read_from_file(ctx
, input
, nparam
);
1135 isl_assert(ctx
, isl_basic_map_n_in(bmap
) == 0, goto error
);
1136 return (struct isl_basic_set
*)bmap
;
1138 isl_basic_map_free(bmap
);
1142 struct isl_basic_map
*isl_basic_map_read_from_str(struct isl_ctx
*ctx
,
1143 const char *str
, int nparam
)
1145 struct isl_basic_map
*bmap
;
1146 struct isl_stream
*s
= isl_stream_new_str(ctx
, str
);
1149 bmap
= basic_map_read(s
, nparam
);
1154 struct isl_basic_set
*isl_basic_set_read_from_str(struct isl_ctx
*ctx
,
1155 const char *str
, int nparam
)
1157 struct isl_basic_map
*bmap
;
1158 bmap
= isl_basic_map_read_from_str(ctx
, str
, nparam
);
1161 isl_assert(ctx
, isl_basic_map_n_in(bmap
) == 0, goto error
);
1162 return (struct isl_basic_set
*)bmap
;
1164 isl_basic_map_free(bmap
);
1168 __isl_give isl_map
*isl_map_read_from_file(struct isl_ctx
*ctx
,
1169 FILE *input
, int nparam
)
1171 struct isl_map
*map
;
1172 struct isl_stream
*s
= isl_stream_new_file(ctx
, input
);
1175 map
= map_read(s
, nparam
);
1180 __isl_give isl_map
*isl_map_read_from_str(struct isl_ctx
*ctx
,
1181 const char *str
, int nparam
)
1183 struct isl_map
*map
;
1184 struct isl_stream
*s
= isl_stream_new_str(ctx
, str
);
1187 map
= map_read(s
, nparam
);
1192 __isl_give isl_set
*isl_set_read_from_file(struct isl_ctx
*ctx
,
1193 FILE *input
, int nparam
)
1195 struct isl_map
*map
;
1196 map
= isl_map_read_from_file(ctx
, input
, nparam
);
1199 isl_assert(ctx
, isl_map_n_in(map
) == 0, goto error
);
1200 return (struct isl_set
*)map
;
1206 struct isl_set
*isl_set_read_from_str(struct isl_ctx
*ctx
,
1207 const char *str
, int nparam
)
1209 struct isl_map
*map
;
1210 map
= isl_map_read_from_str(ctx
, str
, nparam
);
1213 isl_assert(ctx
, isl_map_n_in(map
) == 0, goto error
);
1214 return (struct isl_set
*)map
;
1220 static char *next_line(FILE *input
, char *line
, unsigned len
)
1225 if (!(p
= fgets(line
, len
, input
)))
1227 while (isspace(*p
) && *p
!= '\n')
1229 } while (*p
== '#' || *p
== '\n');
1234 static struct isl_vec
*isl_vec_read_from_file_polylib(struct isl_ctx
*ctx
,
1237 struct isl_vec
*vec
= NULL
;
1246 isl_assert(ctx
, next_line(input
, line
, sizeof(line
)), return NULL
);
1247 isl_assert(ctx
, sscanf(line
, "%u", &size
) == 1, return NULL
);
1249 vec
= isl_vec_alloc(ctx
, size
);
1251 p
= next_line(input
, line
, sizeof(line
));
1252 isl_assert(ctx
, p
, goto error
);
1254 for (j
= 0; j
< size
; ++j
) {
1255 n
= sscanf(p
, "%s%n", val
, &offset
);
1256 isl_assert(ctx
, n
!= 0, goto error
);
1257 isl_int_read(vec
->el
[j
], val
);
1267 struct isl_vec
*isl_vec_read_from_file(struct isl_ctx
*ctx
,
1268 FILE *input
, unsigned input_format
)
1270 if (input_format
== ISL_FORMAT_POLYLIB
)
1271 return isl_vec_read_from_file_polylib(ctx
, input
);
1273 isl_assert(ctx
, 0, return NULL
);