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");
176 isl_int_add_ui(aff
->el
[1 + pos
],
177 aff
->el
[1 + pos
], 1);
179 isl_int_sub_ui(aff
->el
[1 + pos
],
180 aff
->el
[1 + pos
], 1);
182 } else if (tok
->type
== ISL_TOKEN_VALUE
) {
183 struct isl_token
*tok2
;
186 tok2
= isl_stream_next_token(s
);
187 if (tok2
&& tok2
->type
== ISL_TOKEN_IDENT
) {
188 pos
= vars_pos(v
, tok2
->u
.s
, -1);
192 isl_stream_error(s
, tok2
,
193 "unknown identifier");
194 isl_token_free(tok2
);
197 isl_token_free(tok2
);
199 isl_stream_push_token(s
, tok2
);
201 isl_int_neg(tok
->u
.v
, tok
->u
.v
);
202 isl_int_add(aff
->el
[1 + pos
],
203 aff
->el
[1 + pos
], tok
->u
.v
);
205 } else if (tok
->type
== '-') {
207 } else if (tok
->type
== '+') {
210 isl_stream_push_token(s
, tok
);
222 static __isl_give isl_basic_map
*read_var_list(struct isl_stream
*s
,
223 __isl_take isl_basic_map
*bmap
, enum isl_dim_type type
, struct vars
*v
)
226 struct isl_token
*tok
;
228 while ((tok
= isl_stream_next_token(s
)) != NULL
) {
231 if (tok
->type
== ISL_TOKEN_IDENT
) {
233 int p
= vars_pos(v
, tok
->u
.s
, -1);
240 bmap
= isl_basic_map_add(bmap
, type
, 1);
241 bmap
= set_name(bmap
, type
, i
, v
->v
->name
);
243 } else if (tok
->type
== ISL_TOKEN_IDENT
||
244 tok
->type
== ISL_TOKEN_VALUE
) {
247 if (type
== isl_dim_param
) {
248 isl_stream_error(s
, tok
,
249 "expecting unique identifier");
252 isl_stream_push_token(s
, tok
);
254 vec
= accept_affine(s
, v
);
257 v
->v
= variable_new(v
, "", 0, v
->n
);
261 bmap
= isl_basic_map_add(bmap
, type
, 1);
262 bmap
= isl_basic_map_extend_constraints(bmap
, 1, 0);
263 k
= isl_basic_map_alloc_equality(bmap
);
265 isl_seq_cpy(bmap
->eq
[k
], vec
->el
, vec
->size
);
266 isl_int_set_si(bmap
->eq
[k
][vec
->size
], -1);
274 tok
= isl_stream_next_token(s
);
275 if (!tok
|| tok
->type
!= ',')
282 isl_stream_push_token(s
, tok
);
287 isl_basic_map_free(bmap
);
291 static __isl_give isl_mat
*accept_affine_list(struct isl_stream
*s
,
296 struct isl_token
*tok
= NULL
;
298 vec
= accept_affine(s
, v
);
299 mat
= isl_mat_from_row_vec(vec
);
304 tok
= isl_stream_next_token(s
);
306 isl_stream_error(s
, NULL
, "unexpected EOF");
309 if (tok
->type
!= ',') {
310 isl_stream_push_token(s
, tok
);
315 vec
= accept_affine(s
, v
);
316 mat
= isl_mat_vec_concat(mat
, vec
);
327 static struct isl_basic_map
*add_div_definition(struct isl_stream
*s
,
328 struct vars
*v
, struct isl_basic_map
*bmap
, int k
)
330 struct isl_token
*tok
;
334 if (isl_stream_eat(s
, '['))
337 tok
= isl_stream_next_token(s
);
340 if (tok
->type
== '(') {
344 isl_stream_push_token(s
, tok
);
346 aff
= accept_affine(s
, v
);
350 isl_seq_cpy(bmap
->div
[k
] + 1, aff
->el
, aff
->size
);
354 if (seen_paren
&& isl_stream_eat(s
, ')'))
356 if (isl_stream_eat(s
, '/'))
359 tok
= isl_stream_next_token(s
);
362 if (tok
->type
!= ISL_TOKEN_VALUE
) {
363 isl_stream_error(s
, tok
, "expected denominator");
364 isl_stream_push_token(s
, tok
);
367 isl_int_set(bmap
->div
[k
][0], tok
->u
.v
);
370 if (isl_stream_eat(s
, ']'))
373 if (isl_basic_map_add_div_constraints(bmap
, k
) < 0)
378 isl_basic_map_free(bmap
);
382 static struct isl_basic_map
*read_defined_var_list(struct isl_stream
*s
,
383 struct vars
*v
, struct isl_basic_map
*bmap
)
385 struct isl_token
*tok
;
387 while ((tok
= isl_stream_next_token(s
)) != NULL
) {
391 unsigned total
= isl_basic_map_total_dim(bmap
);
393 if (tok
->type
!= ISL_TOKEN_IDENT
)
396 p
= vars_pos(v
, tok
->u
.s
, -1);
400 isl_stream_error(s
, tok
, "expecting unique identifier");
405 bmap
= isl_basic_map_cow(bmap
);
406 bmap
= isl_basic_map_extend_dim(bmap
, isl_dim_copy(bmap
->dim
),
409 if ((k
= isl_basic_map_alloc_div(bmap
)) < 0)
411 isl_seq_clr(bmap
->div
[k
], 1 + 1 + total
);
413 tok
= isl_stream_next_token(s
);
414 if (tok
&& tok
->type
== '=') {
416 bmap
= add_div_definition(s
, v
, bmap
, k
);
417 tok
= isl_stream_next_token(s
);
420 if (!tok
|| tok
->type
!= ',')
426 isl_stream_push_token(s
, tok
);
431 isl_basic_map_free(bmap
);
435 static __isl_give isl_basic_map
*read_tuple(struct isl_stream
*s
,
436 __isl_take isl_basic_map
*bmap
, enum isl_dim_type type
, struct vars
*v
)
438 struct isl_token
*tok
;
440 tok
= isl_stream_next_token(s
);
441 if (!tok
|| tok
->type
!= '[') {
442 isl_stream_error(s
, tok
, "expecting '['");
446 bmap
= read_var_list(s
, bmap
, type
, v
);
447 tok
= isl_stream_next_token(s
);
448 if (!tok
|| tok
->type
!= ']') {
449 isl_stream_error(s
, tok
, "expecting ']'");
458 isl_basic_map_free(bmap
);
462 static struct isl_basic_map
*add_constraints(struct isl_stream
*s
,
463 struct vars
*v
, struct isl_basic_map
*bmap
);
465 static struct isl_basic_map
*add_exists(struct isl_stream
*s
,
466 struct vars
*v
, struct isl_basic_map
*bmap
)
468 struct isl_token
*tok
;
475 tok
= isl_stream_next_token(s
);
478 if (tok
->type
== '(') {
482 isl_stream_push_token(s
, tok
);
484 bmap
= read_defined_var_list(s
, v
, bmap
);
488 if (isl_stream_eat(s
, ':'))
490 bmap
= add_constraints(s
, v
, bmap
);
491 if (seen_paren
&& isl_stream_eat(s
, ')'))
495 isl_basic_map_free(bmap
);
499 static __isl_give isl_basic_map
*construct_constraint(
500 __isl_take isl_basic_map
*bmap
, enum isl_token_type type
,
501 isl_int
*left
, isl_int
*right
)
509 len
= 1 + isl_basic_map_total_dim(bmap
);
512 k
= isl_basic_map_alloc_inequality(bmap
);
515 if (type
== ISL_TOKEN_LE
)
516 isl_seq_combine(bmap
->ineq
[k
], ctx
->negone
, left
,
519 else if (type
== ISL_TOKEN_GE
)
520 isl_seq_combine(bmap
->ineq
[k
], ctx
->one
, left
,
523 else if (type
== ISL_TOKEN_LT
) {
524 isl_seq_combine(bmap
->ineq
[k
], ctx
->negone
, left
,
527 isl_int_sub_ui(bmap
->ineq
[k
][0], bmap
->ineq
[k
][0], 1);
528 } else if (type
== ISL_TOKEN_GT
) {
529 isl_seq_combine(bmap
->ineq
[k
], ctx
->one
, left
,
532 isl_int_sub_ui(bmap
->ineq
[k
][0], bmap
->ineq
[k
][0], 1);
534 isl_seq_combine(bmap
->ineq
[k
], ctx
->one
, left
,
537 isl_basic_map_inequality_to_equality(bmap
, k
);
542 isl_basic_map_free(bmap
);
546 static int is_comparator(struct isl_token
*tok
)
563 static struct isl_basic_map
*add_constraint(struct isl_stream
*s
,
564 struct vars
*v
, struct isl_basic_map
*bmap
)
567 unsigned total
= isl_basic_map_total_dim(bmap
);
568 struct isl_token
*tok
= NULL
;
569 struct isl_mat
*aff1
= NULL
, *aff2
= NULL
;
571 tok
= isl_stream_next_token(s
);
574 if (tok
->type
== ISL_TOKEN_EXISTS
) {
576 return add_exists(s
, v
, bmap
);
578 isl_stream_push_token(s
, tok
);
581 bmap
= isl_basic_map_cow(bmap
);
583 aff1
= accept_affine_list(s
, v
);
586 tok
= isl_stream_next_token(s
);
587 if (!is_comparator(tok
)) {
588 isl_stream_error(s
, tok
, "missing operator");
590 isl_stream_push_token(s
, tok
);
594 isl_assert(aff1
->ctx
, aff1
->n_col
== 1 + total
, goto error
);
596 aff2
= accept_affine_list(s
, v
);
599 isl_assert(aff2
->ctx
, aff2
->n_col
== 1 + total
, goto error
);
601 bmap
= isl_basic_map_extend_constraints(bmap
, 0,
602 aff1
->n_row
* aff2
->n_row
);
603 for (i
= 0; i
< aff1
->n_row
; ++i
)
604 for (j
= 0; j
< aff2
->n_row
; ++j
)
605 bmap
= construct_constraint(bmap
, tok
->type
,
606 aff1
->row
[i
], aff2
->row
[j
]);
611 tok
= isl_stream_next_token(s
);
612 if (!is_comparator(tok
)) {
614 isl_stream_push_token(s
, tok
);
626 isl_basic_map_free(bmap
);
630 static struct isl_basic_map
*add_constraints(struct isl_stream
*s
,
631 struct vars
*v
, struct isl_basic_map
*bmap
)
633 struct isl_token
*tok
;
636 bmap
= add_constraint(s
, v
, bmap
);
639 tok
= isl_stream_next_token(s
);
641 isl_stream_error(s
, NULL
, "unexpected EOF");
644 if (tok
->type
!= ISL_TOKEN_AND
)
648 isl_stream_push_token(s
, tok
);
654 isl_basic_map_free(bmap
);
658 static struct isl_basic_map
*read_disjunct(struct isl_stream
*s
,
659 struct vars
*v
, __isl_take isl_dim
*dim
)
662 struct isl_token
*tok
;
663 struct isl_basic_map
*bmap
;
665 bmap
= isl_basic_map_alloc_dim(dim
, 0, 0, 0);
669 tok
= isl_stream_next_token(s
);
672 if (tok
->type
== '(') {
676 isl_stream_push_token(s
, tok
);
678 bmap
= add_constraints(s
, v
, bmap
);
679 bmap
= isl_basic_map_simplify(bmap
);
680 bmap
= isl_basic_map_finalize(bmap
);
682 if (seen_paren
&& isl_stream_eat(s
, ')'))
687 isl_basic_map_free(bmap
);
691 static struct isl_map
*read_disjuncts(struct isl_stream
*s
,
692 struct vars
*v
, __isl_take isl_dim
*dim
)
694 struct isl_token
*tok
;
697 tok
= isl_stream_next_token(s
);
699 isl_stream_error(s
, NULL
, "unexpected EOF");
702 if (tok
->type
== '}') {
703 isl_stream_push_token(s
, tok
);
704 return isl_map_universe(dim
);
706 isl_stream_push_token(s
, tok
);
708 map
= isl_map_empty(isl_dim_copy(dim
));
710 struct isl_basic_map
*bmap
;
713 bmap
= read_disjunct(s
, v
, isl_dim_copy(dim
));
714 map
= isl_map_union(map
, isl_map_from_basic_map(bmap
));
716 vars_drop(v
, v
->n
- n
);
718 tok
= isl_stream_next_token(s
);
719 if (!tok
|| tok
->type
!= ISL_TOKEN_OR
)
724 isl_stream_push_token(s
, tok
);
733 static int polylib_pos_to_isl_pos(__isl_keep isl_basic_map
*bmap
, int pos
)
735 if (pos
< isl_basic_map_dim(bmap
, isl_dim_out
))
736 return 1 + isl_basic_map_dim(bmap
, isl_dim_param
) +
737 isl_basic_map_dim(bmap
, isl_dim_in
) + pos
;
738 pos
-= isl_basic_map_dim(bmap
, isl_dim_out
);
740 if (pos
< isl_basic_map_dim(bmap
, isl_dim_in
))
741 return 1 + isl_basic_map_dim(bmap
, isl_dim_param
) + pos
;
742 pos
-= isl_basic_map_dim(bmap
, isl_dim_in
);
744 if (pos
< isl_basic_map_dim(bmap
, isl_dim_div
))
745 return 1 + isl_basic_map_dim(bmap
, isl_dim_param
) +
746 isl_basic_map_dim(bmap
, isl_dim_in
) +
747 isl_basic_map_dim(bmap
, isl_dim_out
) + pos
;
748 pos
-= isl_basic_map_dim(bmap
, isl_dim_div
);
750 if (pos
< isl_basic_map_dim(bmap
, isl_dim_param
))
756 static __isl_give isl_basic_map
*basic_map_read_polylib_constraint(
757 struct isl_stream
*s
, __isl_take isl_basic_map
*bmap
)
760 struct isl_token
*tok
;
770 nparam
= isl_basic_map_dim(bmap
, isl_dim_param
);
771 dim
= isl_basic_map_dim(bmap
, isl_dim_out
);
773 tok
= isl_stream_next_token(s
);
774 if (!tok
|| tok
->type
!= ISL_TOKEN_VALUE
) {
775 isl_stream_error(s
, tok
, "expecting coefficient");
777 isl_stream_push_token(s
, tok
);
780 if (!tok
->on_new_line
) {
781 isl_stream_error(s
, tok
, "coefficient should appear on new line");
782 isl_stream_push_token(s
, tok
);
786 type
= isl_int_get_si(tok
->u
.v
);
789 isl_assert(s
->ctx
, type
== 0 || type
== 1, goto error
);
791 k
= isl_basic_map_alloc_equality(bmap
);
794 k
= isl_basic_map_alloc_inequality(bmap
);
800 for (j
= 0; j
< 1 + isl_basic_map_total_dim(bmap
); ++j
) {
802 tok
= isl_stream_next_token(s
);
803 if (!tok
|| tok
->type
!= ISL_TOKEN_VALUE
) {
804 isl_stream_error(s
, tok
, "expecting coefficient");
806 isl_stream_push_token(s
, tok
);
809 if (tok
->on_new_line
) {
810 isl_stream_error(s
, tok
,
811 "coefficient should not appear on new line");
812 isl_stream_push_token(s
, tok
);
815 pos
= polylib_pos_to_isl_pos(bmap
, j
);
816 isl_int_set(c
[pos
], tok
->u
.v
);
822 isl_basic_map_free(bmap
);
826 static __isl_give isl_basic_map
*basic_map_read_polylib(struct isl_stream
*s
,
830 struct isl_token
*tok
;
831 struct isl_token
*tok2
;
834 unsigned in
= 0, out
, local
= 0;
835 struct isl_basic_map
*bmap
= NULL
;
840 tok
= isl_stream_next_token(s
);
842 isl_stream_error(s
, NULL
, "unexpected EOF");
845 tok2
= isl_stream_next_token(s
);
848 isl_stream_error(s
, NULL
, "unexpected EOF");
851 n_row
= isl_int_get_si(tok
->u
.v
);
852 n_col
= isl_int_get_si(tok2
->u
.v
);
853 on_new_line
= tok2
->on_new_line
;
854 isl_token_free(tok2
);
856 isl_assert(s
->ctx
, !on_new_line
, return NULL
);
857 isl_assert(s
->ctx
, n_row
>= 0, return NULL
);
858 isl_assert(s
->ctx
, n_col
>= 2 + nparam
, return NULL
);
859 tok
= isl_stream_next_token_on_same_line(s
);
861 if (tok
->type
!= ISL_TOKEN_VALUE
) {
862 isl_stream_error(s
, tok
,
863 "expecting number of output dimensions");
864 isl_stream_push_token(s
, tok
);
867 out
= isl_int_get_si(tok
->u
.v
);
870 tok
= isl_stream_next_token_on_same_line(s
);
871 if (!tok
|| tok
->type
!= ISL_TOKEN_VALUE
) {
872 isl_stream_error(s
, tok
,
873 "expecting number of input dimensions");
875 isl_stream_push_token(s
, tok
);
878 in
= isl_int_get_si(tok
->u
.v
);
881 tok
= isl_stream_next_token_on_same_line(s
);
882 if (!tok
|| tok
->type
!= ISL_TOKEN_VALUE
) {
883 isl_stream_error(s
, tok
,
884 "expecting number of existentials");
886 isl_stream_push_token(s
, tok
);
889 local
= isl_int_get_si(tok
->u
.v
);
892 tok
= isl_stream_next_token_on_same_line(s
);
893 if (!tok
|| tok
->type
!= ISL_TOKEN_VALUE
) {
894 isl_stream_error(s
, tok
,
895 "expecting number of parameters");
897 isl_stream_push_token(s
, tok
);
900 nparam
= isl_int_get_si(tok
->u
.v
);
902 if (n_col
!= 1 + out
+ in
+ local
+ nparam
+ 1) {
903 isl_stream_error(s
, NULL
,
904 "dimensions don't match");
908 out
= n_col
- 2 - nparam
;
909 bmap
= isl_basic_map_alloc(s
->ctx
, nparam
, in
, out
, local
, n_row
, n_row
);
913 for (i
= 0; i
< local
; ++i
) {
914 int k
= isl_basic_map_alloc_div(bmap
);
919 for (i
= 0; i
< n_row
; ++i
)
920 bmap
= basic_map_read_polylib_constraint(s
, bmap
);
922 bmap
= isl_basic_map_simplify(bmap
);
923 bmap
= isl_basic_map_finalize(bmap
);
926 isl_basic_map_free(bmap
);
930 static struct isl_map
*map_read_polylib(struct isl_stream
*s
, int nparam
)
932 struct isl_token
*tok
;
933 struct isl_token
*tok2
;
937 tok
= isl_stream_next_token(s
);
939 isl_stream_error(s
, NULL
, "unexpected EOF");
942 tok2
= isl_stream_next_token(s
);
945 isl_stream_error(s
, NULL
, "unexpected EOF");
948 if (!tok2
->on_new_line
) {
949 isl_stream_push_token(s
, tok2
);
950 isl_stream_push_token(s
, tok
);
951 return isl_map_from_basic_map(basic_map_read_polylib(s
, nparam
));
953 isl_stream_push_token(s
, tok2
);
954 n
= isl_int_get_si(tok
->u
.v
);
957 isl_assert(s
->ctx
, n
>= 1, return NULL
);
959 map
= isl_map_from_basic_map(basic_map_read_polylib(s
, nparam
));
961 for (i
= 1; i
< n
; ++i
)
962 map
= isl_map_union(map
,
963 isl_map_from_basic_map(basic_map_read_polylib(s
, nparam
)));
968 static struct isl_map
*map_read_body(struct isl_stream
*s
,
969 __isl_take isl_basic_map
*bmap
, struct vars
*v
)
971 struct isl_map
*map
= NULL
;
972 struct isl_token
*tok
;
975 bmap
= read_tuple(s
, bmap
, isl_dim_in
, v
);
978 tok
= isl_stream_next_token(s
);
979 if (tok
&& tok
->type
== ISL_TOKEN_TO
) {
981 bmap
= read_tuple(s
, bmap
, isl_dim_out
, v
);
985 bmap
= isl_basic_map_reverse(bmap
);
987 isl_stream_push_token(s
, tok
);
989 tok
= isl_stream_next_token(s
);
991 isl_stream_error(s
, NULL
, "unexpected EOF");
994 map
= isl_map_from_basic_map(isl_basic_map_copy(bmap
));
995 if (tok
->type
== ':') {
997 map
= isl_map_intersect(map
,
998 read_disjuncts(s
, v
, isl_basic_map_get_dim(bmap
)));
1000 isl_stream_push_token(s
, tok
);
1002 vars_drop(v
, v
->n
- n
);
1004 isl_basic_map_free(bmap
);
1007 isl_basic_map_free(bmap
);
1011 static struct isl_map
*map_read(struct isl_stream
*s
, int nparam
)
1013 struct isl_basic_map
*bmap
= NULL
;
1014 struct isl_map
*map
= NULL
;
1015 struct isl_token
*tok
;
1016 struct vars
*v
= NULL
;
1018 tok
= isl_stream_next_token(s
);
1020 isl_stream_error(s
, NULL
, "unexpected EOF");
1023 if (tok
->type
== ISL_TOKEN_VALUE
) {
1024 isl_stream_push_token(s
, tok
);
1025 return map_read_polylib(s
, nparam
);
1027 v
= vars_new(s
->ctx
);
1028 bmap
= isl_basic_map_alloc(s
->ctx
, 0, 0, 0, 0, 0, 0);
1029 if (tok
->type
== '[') {
1030 isl_stream_push_token(s
, tok
);
1031 bmap
= read_tuple(s
, bmap
, isl_dim_param
, v
);
1035 isl_assert(s
->ctx
, nparam
== v
->n
, goto error
);
1036 tok
= isl_stream_next_token(s
);
1037 if (!tok
|| tok
->type
!= ISL_TOKEN_TO
) {
1038 isl_stream_error(s
, tok
, "expecting '->'");
1040 isl_stream_push_token(s
, tok
);
1043 isl_token_free(tok
);
1044 tok
= isl_stream_next_token(s
);
1046 bmap
= isl_basic_map_add(bmap
, isl_dim_param
, nparam
);
1047 if (!tok
|| tok
->type
!= '{') {
1048 isl_stream_error(s
, tok
, "expecting '{'");
1050 isl_stream_push_token(s
, tok
);
1053 isl_token_free(tok
);
1056 isl_map
*m
= map_read_body(s
, isl_basic_map_copy(bmap
), v
);
1060 map
= isl_map_union(map
, m
);
1063 tok
= isl_stream_next_token(s
);
1064 if (!tok
|| tok
->type
!= ';')
1066 isl_token_free(tok
);
1069 if (tok
&& tok
->type
== '}') {
1070 isl_token_free(tok
);
1072 isl_stream_error(s
, tok
, "unexpected isl_token");
1074 isl_token_free(tok
);
1078 isl_basic_map_free(bmap
);
1082 isl_basic_map_free(bmap
);
1089 static struct isl_basic_map
*basic_map_read(struct isl_stream
*s
, int nparam
)
1091 struct isl_map
*map
;
1092 struct isl_basic_map
*bmap
;
1094 map
= map_read(s
, nparam
);
1098 isl_assert(map
->ctx
, map
->n
<= 1, goto error
);
1101 bmap
= isl_basic_map_empty_like_map(map
);
1103 bmap
= isl_basic_map_copy(map
->p
[0]);
1113 __isl_give isl_basic_map
*isl_basic_map_read_from_file(isl_ctx
*ctx
,
1114 FILE *input
, int nparam
)
1116 struct isl_basic_map
*bmap
;
1117 struct isl_stream
*s
= isl_stream_new_file(ctx
, input
);
1120 bmap
= basic_map_read(s
, nparam
);
1125 __isl_give isl_basic_set
*isl_basic_set_read_from_file(isl_ctx
*ctx
,
1126 FILE *input
, int nparam
)
1128 struct isl_basic_map
*bmap
;
1129 bmap
= isl_basic_map_read_from_file(ctx
, input
, nparam
);
1132 isl_assert(ctx
, isl_basic_map_n_in(bmap
) == 0, goto error
);
1133 return (struct isl_basic_set
*)bmap
;
1135 isl_basic_map_free(bmap
);
1139 struct isl_basic_map
*isl_basic_map_read_from_str(struct isl_ctx
*ctx
,
1140 const char *str
, int nparam
)
1142 struct isl_basic_map
*bmap
;
1143 struct isl_stream
*s
= isl_stream_new_str(ctx
, str
);
1146 bmap
= basic_map_read(s
, nparam
);
1151 struct isl_basic_set
*isl_basic_set_read_from_str(struct isl_ctx
*ctx
,
1152 const char *str
, int nparam
)
1154 struct isl_basic_map
*bmap
;
1155 bmap
= isl_basic_map_read_from_str(ctx
, str
, nparam
);
1158 isl_assert(ctx
, isl_basic_map_n_in(bmap
) == 0, goto error
);
1159 return (struct isl_basic_set
*)bmap
;
1161 isl_basic_map_free(bmap
);
1165 __isl_give isl_map
*isl_map_read_from_file(struct isl_ctx
*ctx
,
1166 FILE *input
, int nparam
)
1168 struct isl_map
*map
;
1169 struct isl_stream
*s
= isl_stream_new_file(ctx
, input
);
1172 map
= map_read(s
, nparam
);
1177 __isl_give isl_map
*isl_map_read_from_str(struct isl_ctx
*ctx
,
1178 const char *str
, int nparam
)
1180 struct isl_map
*map
;
1181 struct isl_stream
*s
= isl_stream_new_str(ctx
, str
);
1184 map
= map_read(s
, nparam
);
1189 __isl_give isl_set
*isl_set_read_from_file(struct isl_ctx
*ctx
,
1190 FILE *input
, int nparam
)
1192 struct isl_map
*map
;
1193 map
= isl_map_read_from_file(ctx
, input
, nparam
);
1196 isl_assert(ctx
, isl_map_n_in(map
) == 0, goto error
);
1197 return (struct isl_set
*)map
;
1203 struct isl_set
*isl_set_read_from_str(struct isl_ctx
*ctx
,
1204 const char *str
, int nparam
)
1206 struct isl_map
*map
;
1207 map
= isl_map_read_from_str(ctx
, str
, nparam
);
1210 isl_assert(ctx
, isl_map_n_in(map
) == 0, goto error
);
1211 return (struct isl_set
*)map
;
1217 static char *next_line(FILE *input
, char *line
, unsigned len
)
1222 if (!(p
= fgets(line
, len
, input
)))
1224 while (isspace(*p
) && *p
!= '\n')
1226 } while (*p
== '#' || *p
== '\n');
1231 static struct isl_vec
*isl_vec_read_from_file_polylib(struct isl_ctx
*ctx
,
1234 struct isl_vec
*vec
= NULL
;
1243 isl_assert(ctx
, next_line(input
, line
, sizeof(line
)), return NULL
);
1244 isl_assert(ctx
, sscanf(line
, "%u", &size
) == 1, return NULL
);
1246 vec
= isl_vec_alloc(ctx
, size
);
1248 p
= next_line(input
, line
, sizeof(line
));
1249 isl_assert(ctx
, p
, goto error
);
1251 for (j
= 0; j
< size
; ++j
) {
1252 n
= sscanf(p
, "%s%n", val
, &offset
);
1253 isl_assert(ctx
, n
!= 0, goto error
);
1254 isl_int_read(vec
->el
[j
], val
);
1264 struct isl_vec
*isl_vec_read_from_file(struct isl_ctx
*ctx
,
1265 FILE *input
, unsigned input_format
)
1267 if (input_format
== ISL_FORMAT_POLYLIB
)
1268 return isl_vec_read_from_file_polylib(ctx
, input
);
1270 isl_assert(ctx
, 0, return NULL
);