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
20 #include <isl/stream.h>
21 #include "isl_map_private.h"
23 #include "isl_polynomial_private.h"
24 #include <isl/union_map.h>
25 #include <isl_mat_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
;
56 isl_vec_free(var
->def
);
63 static void vars_free(struct vars
*v
)
71 static void vars_drop(struct vars
*v
, int n
)
82 struct variable
*next
= var
->next
;
83 isl_vec_free(var
->def
);
91 static struct variable
*variable_new(struct vars
*v
, const char *name
, int len
,
95 var
= isl_alloc_type(v
->ctx
, struct variable
);
98 var
->name
= strdup(name
);
99 var
->name
[len
] = '\0';
109 static int vars_pos(struct vars
*v
, const char *s
, int len
)
116 for (q
= v
->v
; q
; q
= q
->next
) {
117 if (strncmp(q
->name
, s
, len
) == 0 && q
->name
[len
] == '\0')
124 v
->v
= variable_new(v
, s
, len
, v
->n
);
132 static int vars_add_anon(struct vars
*v
)
134 v
->v
= variable_new(v
, "", 0, v
->n
);
143 static __isl_give isl_basic_map
*set_name(__isl_take isl_basic_map
*bmap
,
144 enum isl_dim_type type
, unsigned pos
, char *name
)
153 prime
= strchr(name
, '\'');
156 bmap
= isl_basic_map_set_dim_name(bmap
, type
, pos
, name
);
163 static int accept_cst_factor(struct isl_stream
*s
, isl_int
*f
)
165 struct isl_token
*tok
;
167 tok
= isl_stream_next_token(s
);
168 if (!tok
|| tok
->type
!= ISL_TOKEN_VALUE
) {
169 isl_stream_error(s
, tok
, "expecting constant value");
173 isl_int_mul(*f
, *f
, tok
->u
.v
);
177 if (isl_stream_eat_if_available(s
, '*'))
178 return accept_cst_factor(s
, f
);
186 /* Given an affine expression aff, return an affine expression
187 * for aff % d, with d the next token on the stream, which is
188 * assumed to be a constant.
190 * We introduce an integer division q = [aff/d] and the result
191 * is set to aff - d q.
193 static __isl_give isl_vec
*affine_mod(struct isl_stream
*s
,
194 struct vars
*v
, __isl_take isl_vec
*aff
)
196 struct isl_token
*tok
;
197 struct variable
*var
;
200 tok
= isl_stream_next_token(s
);
201 if (!tok
|| tok
->type
!= ISL_TOKEN_VALUE
) {
202 isl_stream_error(s
, tok
, "expecting constant value");
206 if (vars_add_anon(v
) < 0)
211 var
->def
= isl_vec_alloc(s
->ctx
, 2 + v
->n
);
214 isl_seq_cpy(var
->def
->el
+ 1, aff
->el
, aff
->size
);
215 isl_int_set_si(var
->def
->el
[1 + aff
->size
], 0);
216 isl_int_set(var
->def
->el
[0], tok
->u
.v
);
218 mod
= isl_vec_alloc(v
->ctx
, 1 + v
->n
);
222 isl_seq_cpy(mod
->el
, aff
->el
, aff
->size
);
223 isl_int_neg(mod
->el
[aff
->size
], tok
->u
.v
);
234 static struct isl_vec
*accept_affine(struct isl_stream
*s
, struct vars
*v
);
235 static int read_div_definition(struct isl_stream
*s
, struct vars
*v
);
237 static __isl_give isl_vec
*accept_affine_factor(struct isl_stream
*s
,
240 struct isl_token
*tok
= NULL
;
243 tok
= isl_stream_next_token(s
);
245 isl_stream_error(s
, NULL
, "unexpected EOF");
248 if (tok
->type
== ISL_TOKEN_IDENT
) {
250 int pos
= vars_pos(v
, tok
->u
.s
, -1);
254 isl_stream_error(s
, tok
, "unknown identifier");
258 aff
= isl_vec_alloc(v
->ctx
, 1 + v
->n
);
261 isl_seq_clr(aff
->el
, aff
->size
);
262 isl_int_set_si(aff
->el
[1 + pos
], 1);
264 } else if (tok
->type
== ISL_TOKEN_VALUE
) {
265 if (isl_stream_eat_if_available(s
, '*')) {
266 aff
= accept_affine_factor(s
, v
);
267 aff
= isl_vec_scale(aff
, tok
->u
.v
);
269 aff
= isl_vec_alloc(v
->ctx
, 1 + v
->n
);
272 isl_seq_clr(aff
->el
, aff
->size
);
273 isl_int_set(aff
->el
[0], tok
->u
.v
);
276 } else if (tok
->type
== '(') {
279 aff
= accept_affine(s
, v
);
282 if (isl_stream_eat(s
, ')'))
284 } else if (tok
->type
== '[') {
285 if (vars_add_anon(v
) < 0)
287 aff
= isl_vec_alloc(v
->ctx
, 1 + v
->n
);
290 isl_seq_clr(aff
->el
, aff
->size
);
291 isl_int_set_si(aff
->el
[1 + v
->n
- 1], 1);
292 isl_stream_push_token(s
, tok
);
294 if (read_div_definition(s
, v
) < 0)
297 isl_stream_error(s
, tok
, "expecting factor");
300 if (isl_stream_eat_if_available(s
, '%'))
301 return affine_mod(s
, v
, aff
);
302 if (isl_stream_eat_if_available(s
, '*')) {
305 isl_int_set_si(f
, 1);
306 if (accept_cst_factor(s
, &f
) < 0) {
310 aff
= isl_vec_scale(aff
, f
);
322 static struct isl_vec
*accept_affine(struct isl_stream
*s
, struct vars
*v
)
324 struct isl_token
*tok
= NULL
;
328 aff
= isl_vec_alloc(v
->ctx
, 1 + v
->n
);
331 isl_seq_clr(aff
->el
, aff
->size
);
334 tok
= isl_stream_next_token(s
);
336 isl_stream_error(s
, NULL
, "unexpected EOF");
339 if (tok
->type
== '-') {
344 if (tok
->type
== '(' || tok
->type
== '[' ||
345 tok
->type
== ISL_TOKEN_IDENT
) {
347 isl_stream_push_token(s
, tok
);
349 aff2
= accept_affine_factor(s
, v
);
351 aff2
= isl_vec_scale(aff2
, s
->ctx
->negone
);
352 aff
= isl_vec_zero_extend(aff
, 1 + v
->n
);
353 aff
= isl_vec_add(aff
, aff2
);
357 } else if (tok
->type
== ISL_TOKEN_VALUE
) {
359 isl_int_neg(tok
->u
.v
, tok
->u
.v
);
360 if (isl_stream_eat_if_available(s
, '*') ||
361 isl_stream_next_token_is(s
, ISL_TOKEN_IDENT
)) {
363 aff2
= accept_affine_factor(s
, v
);
364 aff2
= isl_vec_scale(aff2
, tok
->u
.v
);
365 aff
= isl_vec_zero_extend(aff
, 1 + v
->n
);
366 aff
= isl_vec_add(aff
, aff2
);
370 isl_int_add(aff
->el
[0], aff
->el
[0], tok
->u
.v
);
374 isl_stream_error(s
, tok
, "unexpected isl_token");
375 isl_stream_push_token(s
, tok
);
381 tok
= isl_stream_next_token(s
);
382 if (tok
&& tok
->type
== '-') {
385 } else if (tok
&& tok
->type
== '+') {
388 } else if (tok
&& tok
->type
== ISL_TOKEN_VALUE
&&
389 isl_int_is_neg(tok
->u
.v
)) {
390 isl_stream_push_token(s
, tok
);
393 isl_stream_push_token(s
, tok
);
405 /* Add any variables in the variable list "v" that are not already in "bmap"
406 * as existentially quantified variables in "bmap".
408 static __isl_give isl_basic_map
*add_divs(__isl_take isl_basic_map
*bmap
,
413 struct variable
*var
;
415 extra
= v
->n
- isl_basic_map_total_dim(bmap
);
420 bmap
= isl_basic_map_extend_dim(bmap
, isl_basic_map_get_dim(bmap
),
421 extra
, 0, 2 * extra
);
423 for (i
= 0; i
< extra
; ++i
)
424 if (isl_basic_map_alloc_div(bmap
) < 0)
427 for (i
= 0, var
= v
->v
; i
< extra
; ++i
, var
= var
->next
) {
428 int k
= bmap
->n_div
- 1 - i
;
430 isl_seq_cpy(bmap
->div
[k
], var
->def
->el
, var
->def
->size
);
431 isl_seq_clr(bmap
->div
[k
] + var
->def
->size
,
432 2 + v
->n
- var
->def
->size
);
434 if (isl_basic_map_add_div_constraints(bmap
, k
) < 0)
440 isl_basic_map_free(bmap
);
444 static __isl_give isl_basic_map
*read_var_def(struct isl_stream
*s
,
445 __isl_take isl_basic_map
*bmap
, enum isl_dim_type type
, struct vars
*v
)
448 isl_basic_map
*def
= NULL
;
453 if (vars_add_anon(v
) < 0)
457 vec
= accept_affine(s
, v
);
461 dim
= isl_basic_map_get_dim(bmap
);
462 def
= isl_basic_map_universe(dim
);
463 def
= add_divs(def
, v
);
464 def
= isl_basic_map_extend_constraints(def
, 1, 0);
465 k
= isl_basic_map_alloc_equality(def
);
467 isl_seq_cpy(def
->eq
[k
], vec
->el
, vec
->size
);
468 isl_int_set_si(def
->eq
[k
][1 + n
- 1], -1);
474 vars_drop(v
, v
->n
- n
);
476 def
= isl_basic_map_simplify(def
);
477 def
= isl_basic_map_finalize(def
);
478 bmap
= isl_basic_map_intersect(bmap
, def
);
481 isl_basic_map_free(bmap
);
482 isl_basic_map_free(def
);
486 static __isl_give isl_basic_map
*read_var_list(struct isl_stream
*s
,
487 __isl_take isl_basic_map
*bmap
, enum isl_dim_type type
, struct vars
*v
)
490 struct isl_token
*tok
;
492 while ((tok
= isl_stream_next_token(s
)) != NULL
) {
495 if (tok
->type
== ISL_TOKEN_IDENT
) {
497 int p
= vars_pos(v
, tok
->u
.s
, -1);
504 bmap
= isl_basic_map_add(bmap
, type
, 1);
505 bmap
= set_name(bmap
, type
, i
, v
->v
->name
);
507 } else if (tok
->type
== ISL_TOKEN_IDENT
||
508 tok
->type
== ISL_TOKEN_VALUE
||
511 if (type
== isl_dim_param
) {
512 isl_stream_error(s
, tok
,
513 "expecting unique identifier");
516 isl_stream_push_token(s
, tok
);
518 bmap
= isl_basic_map_add(bmap
, type
, 1);
519 bmap
= read_var_def(s
, bmap
, type
, v
);
523 tok
= isl_stream_next_token(s
);
524 if (!tok
|| tok
->type
!= ',')
531 isl_stream_push_token(s
, tok
);
536 isl_basic_map_free(bmap
);
540 static __isl_give isl_mat
*accept_affine_list(struct isl_stream
*s
,
545 struct isl_token
*tok
= NULL
;
547 vec
= accept_affine(s
, v
);
548 mat
= isl_mat_from_row_vec(vec
);
553 tok
= isl_stream_next_token(s
);
555 isl_stream_error(s
, NULL
, "unexpected EOF");
558 if (tok
->type
!= ',') {
559 isl_stream_push_token(s
, tok
);
564 vec
= accept_affine(s
, v
);
565 mat
= isl_mat_add_zero_cols(mat
, 1 + v
->n
- isl_mat_cols(mat
));
566 mat
= isl_mat_vec_concat(mat
, vec
);
577 static int read_div_definition(struct isl_stream
*s
, struct vars
*v
)
579 struct isl_token
*tok
;
582 struct variable
*var
;
584 if (isl_stream_eat(s
, '['))
587 tok
= isl_stream_next_token(s
);
590 if (tok
->type
== '(') {
594 isl_stream_push_token(s
, tok
);
598 aff
= accept_affine(s
, v
);
602 var
->def
= isl_vec_alloc(s
->ctx
, 2 + v
->n
);
608 isl_seq_cpy(var
->def
->el
+ 1, aff
->el
, aff
->size
);
612 if (seen_paren
&& isl_stream_eat(s
, ')'))
614 if (isl_stream_eat(s
, '/'))
617 tok
= isl_stream_next_token(s
);
620 if (tok
->type
!= ISL_TOKEN_VALUE
) {
621 isl_stream_error(s
, tok
, "expected denominator");
622 isl_stream_push_token(s
, tok
);
625 isl_int_set(var
->def
->el
[0], tok
->u
.v
);
628 if (isl_stream_eat(s
, ']'))
634 static struct isl_basic_map
*add_div_definition(struct isl_stream
*s
,
635 struct vars
*v
, struct isl_basic_map
*bmap
, int k
)
637 struct variable
*var
= v
->v
;
639 if (read_div_definition(s
, v
) < 0)
642 isl_seq_cpy(bmap
->div
[k
], var
->def
->el
, 2 + v
->n
);
644 if (isl_basic_map_add_div_constraints(bmap
, k
) < 0)
649 isl_basic_map_free(bmap
);
653 static struct isl_basic_map
*read_defined_var_list(struct isl_stream
*s
,
654 struct vars
*v
, struct isl_basic_map
*bmap
)
656 struct isl_token
*tok
;
658 while ((tok
= isl_stream_next_token(s
)) != NULL
) {
662 unsigned total
= isl_basic_map_total_dim(bmap
);
664 if (tok
->type
!= ISL_TOKEN_IDENT
)
667 p
= vars_pos(v
, tok
->u
.s
, -1);
671 isl_stream_error(s
, tok
, "expecting unique identifier");
675 bmap
= isl_basic_map_cow(bmap
);
676 bmap
= isl_basic_map_extend_dim(bmap
, isl_dim_copy(bmap
->dim
),
679 if ((k
= isl_basic_map_alloc_div(bmap
)) < 0)
681 isl_seq_clr(bmap
->div
[k
], 1 + 1 + total
);
684 tok
= isl_stream_next_token(s
);
685 if (tok
&& tok
->type
== '=') {
687 bmap
= add_div_definition(s
, v
, bmap
, k
);
688 tok
= isl_stream_next_token(s
);
691 if (!tok
|| tok
->type
!= ',')
697 isl_stream_push_token(s
, tok
);
702 isl_basic_map_free(bmap
);
706 static int next_is_tuple(struct isl_stream
*s
)
708 struct isl_token
*tok
;
711 tok
= isl_stream_next_token(s
);
714 if (tok
->type
== '[') {
715 isl_stream_push_token(s
, tok
);
718 if (tok
->type
!= ISL_TOKEN_IDENT
&& !tok
->is_keyword
) {
719 isl_stream_push_token(s
, tok
);
723 is_tuple
= isl_stream_next_token_is(s
, '[');
725 isl_stream_push_token(s
, tok
);
730 static __isl_give isl_basic_map
*read_tuple(struct isl_stream
*s
,
731 __isl_take isl_basic_map
*bmap
, enum isl_dim_type type
, struct vars
*v
);
733 static __isl_give isl_basic_map
*read_nested_tuple(struct isl_stream
*s
,
734 __isl_take isl_basic_map
*bmap
, struct vars
*v
)
736 bmap
= read_tuple(s
, bmap
, isl_dim_in
, v
);
737 if (isl_stream_eat(s
, ISL_TOKEN_TO
))
739 bmap
= read_tuple(s
, bmap
, isl_dim_out
, v
);
740 bmap
= isl_basic_map_from_range(isl_basic_map_wrap(bmap
));
743 isl_basic_map_free(bmap
);
747 static __isl_give isl_basic_map
*read_tuple(struct isl_stream
*s
,
748 __isl_take isl_basic_map
*bmap
, enum isl_dim_type type
, struct vars
*v
)
750 struct isl_token
*tok
;
753 tok
= isl_stream_next_token(s
);
754 if (tok
&& (tok
->type
== ISL_TOKEN_IDENT
|| tok
->is_keyword
)) {
755 name
= strdup(tok
->u
.s
);
759 tok
= isl_stream_next_token(s
);
761 if (!tok
|| tok
->type
!= '[') {
762 isl_stream_error(s
, tok
, "expecting '['");
766 if (type
!= isl_dim_param
&& next_is_tuple(s
)) {
767 isl_dim
*dim
= isl_basic_map_get_dim(bmap
);
768 int nparam
= isl_dim_size(dim
, isl_dim_param
);
769 int n_in
= isl_dim_size(dim
, isl_dim_in
);
770 isl_basic_map
*nested
;
771 if (type
== isl_dim_out
)
772 dim
= isl_dim_move(dim
, isl_dim_param
, nparam
,
773 isl_dim_in
, 0, n_in
);
774 nested
= isl_basic_map_alloc_dim(dim
, 0, 0, 0);
775 nested
= read_nested_tuple(s
, nested
, v
);
776 if (type
== isl_dim_in
) {
777 nested
= isl_basic_map_reverse(nested
);
778 bmap
= isl_basic_map_intersect(nested
, bmap
);
781 dim
= isl_dim_range(isl_basic_map_get_dim(nested
));
782 dim
= isl_dim_drop(dim
, isl_dim_param
, nparam
, n_in
);
783 dim
= isl_dim_join(isl_basic_map_get_dim(bmap
), dim
);
784 bset
= isl_basic_map_domain(bmap
);
785 nested
= isl_basic_map_reset_dim(nested
, dim
);
786 bmap
= isl_basic_map_intersect_domain(nested
, bset
);
789 bmap
= read_var_list(s
, bmap
, type
, v
);
790 tok
= isl_stream_next_token(s
);
791 if (!tok
|| tok
->type
!= ']') {
792 isl_stream_error(s
, tok
, "expecting ']'");
798 bmap
= isl_basic_map_set_tuple_name(bmap
, type
, name
);
806 isl_basic_map_free(bmap
);
810 static struct isl_basic_map
*add_constraints(struct isl_stream
*s
,
811 struct vars
*v
, struct isl_basic_map
*bmap
);
813 static struct isl_basic_map
*add_exists(struct isl_stream
*s
,
814 struct vars
*v
, struct isl_basic_map
*bmap
)
816 struct isl_token
*tok
;
823 tok
= isl_stream_next_token(s
);
826 if (tok
->type
== '(') {
830 isl_stream_push_token(s
, tok
);
832 bmap
= read_defined_var_list(s
, v
, bmap
);
836 if (isl_stream_eat(s
, ':'))
838 bmap
= add_constraints(s
, v
, bmap
);
839 if (seen_paren
&& isl_stream_eat(s
, ')'))
843 isl_basic_map_free(bmap
);
847 static __isl_give isl_basic_map
*construct_constraint(
848 __isl_take isl_basic_map
*bmap
, enum isl_token_type type
,
849 isl_int
*left
, isl_int
*right
)
857 len
= 1 + isl_basic_map_total_dim(bmap
);
860 k
= isl_basic_map_alloc_inequality(bmap
);
863 if (type
== ISL_TOKEN_LE
)
864 isl_seq_combine(bmap
->ineq
[k
], ctx
->negone
, left
,
867 else if (type
== ISL_TOKEN_GE
)
868 isl_seq_combine(bmap
->ineq
[k
], ctx
->one
, left
,
871 else if (type
== ISL_TOKEN_LT
) {
872 isl_seq_combine(bmap
->ineq
[k
], ctx
->negone
, left
,
875 isl_int_sub_ui(bmap
->ineq
[k
][0], bmap
->ineq
[k
][0], 1);
876 } else if (type
== ISL_TOKEN_GT
) {
877 isl_seq_combine(bmap
->ineq
[k
], ctx
->one
, left
,
880 isl_int_sub_ui(bmap
->ineq
[k
][0], bmap
->ineq
[k
][0], 1);
882 isl_seq_combine(bmap
->ineq
[k
], ctx
->one
, left
,
885 isl_basic_map_inequality_to_equality(bmap
, k
);
890 isl_basic_map_free(bmap
);
894 static int is_comparator(struct isl_token
*tok
)
911 static struct isl_basic_map
*add_constraint(struct isl_stream
*s
,
912 struct vars
*v
, struct isl_basic_map
*bmap
)
915 struct isl_token
*tok
= NULL
;
916 struct isl_mat
*aff1
= NULL
, *aff2
= NULL
;
918 tok
= isl_stream_next_token(s
);
921 if (tok
->type
== ISL_TOKEN_EXISTS
) {
923 return add_exists(s
, v
, bmap
);
925 isl_stream_push_token(s
, tok
);
928 bmap
= isl_basic_map_cow(bmap
);
930 aff1
= accept_affine_list(s
, v
);
933 tok
= isl_stream_next_token(s
);
934 if (!is_comparator(tok
)) {
935 isl_stream_error(s
, tok
, "missing operator");
937 isl_stream_push_token(s
, tok
);
942 aff2
= accept_affine_list(s
, v
);
946 aff1
= isl_mat_add_zero_cols(aff1
, aff2
->n_col
- aff1
->n_col
);
949 bmap
= add_divs(bmap
, v
);
950 bmap
= isl_basic_map_extend_constraints(bmap
, 0,
951 aff1
->n_row
* aff2
->n_row
);
952 for (i
= 0; i
< aff1
->n_row
; ++i
)
953 for (j
= 0; j
< aff2
->n_row
; ++j
)
954 bmap
= construct_constraint(bmap
, tok
->type
,
955 aff1
->row
[i
], aff2
->row
[j
]);
960 tok
= isl_stream_next_token(s
);
961 if (!is_comparator(tok
)) {
963 isl_stream_push_token(s
, tok
);
975 isl_basic_map_free(bmap
);
979 static struct isl_basic_map
*add_constraints(struct isl_stream
*s
,
980 struct vars
*v
, struct isl_basic_map
*bmap
)
982 struct isl_token
*tok
;
985 bmap
= add_constraint(s
, v
, bmap
);
988 tok
= isl_stream_next_token(s
);
990 isl_stream_error(s
, NULL
, "unexpected EOF");
993 if (tok
->type
!= ISL_TOKEN_AND
)
997 isl_stream_push_token(s
, tok
);
1002 isl_token_free(tok
);
1003 isl_basic_map_free(bmap
);
1007 static struct isl_basic_map
*read_disjunct(struct isl_stream
*s
,
1008 struct vars
*v
, __isl_take isl_dim
*dim
)
1011 struct isl_token
*tok
;
1012 struct isl_basic_map
*bmap
;
1014 bmap
= isl_basic_map_alloc_dim(dim
, 0, 0, 0);
1018 tok
= isl_stream_next_token(s
);
1021 if (tok
->type
== '(') {
1023 isl_token_free(tok
);
1025 isl_stream_push_token(s
, tok
);
1027 bmap
= add_constraints(s
, v
, bmap
);
1028 bmap
= isl_basic_map_simplify(bmap
);
1029 bmap
= isl_basic_map_finalize(bmap
);
1031 if (seen_paren
&& isl_stream_eat(s
, ')'))
1036 isl_basic_map_free(bmap
);
1040 static struct isl_map
*read_disjuncts(struct isl_stream
*s
,
1041 struct vars
*v
, __isl_take isl_dim
*dim
)
1043 struct isl_token
*tok
;
1044 struct isl_map
*map
;
1046 tok
= isl_stream_next_token(s
);
1048 isl_stream_error(s
, NULL
, "unexpected EOF");
1051 if (tok
->type
== '}') {
1052 isl_stream_push_token(s
, tok
);
1053 return isl_map_universe(dim
);
1055 isl_stream_push_token(s
, tok
);
1057 map
= isl_map_empty(isl_dim_copy(dim
));
1059 struct isl_basic_map
*bmap
;
1062 bmap
= read_disjunct(s
, v
, isl_dim_copy(dim
));
1063 map
= isl_map_union(map
, isl_map_from_basic_map(bmap
));
1065 vars_drop(v
, v
->n
- n
);
1067 tok
= isl_stream_next_token(s
);
1068 if (!tok
|| tok
->type
!= ISL_TOKEN_OR
)
1070 isl_token_free(tok
);
1073 isl_stream_push_token(s
, tok
);
1082 static int polylib_pos_to_isl_pos(__isl_keep isl_basic_map
*bmap
, int pos
)
1084 if (pos
< isl_basic_map_dim(bmap
, isl_dim_out
))
1085 return 1 + isl_basic_map_dim(bmap
, isl_dim_param
) +
1086 isl_basic_map_dim(bmap
, isl_dim_in
) + pos
;
1087 pos
-= isl_basic_map_dim(bmap
, isl_dim_out
);
1089 if (pos
< isl_basic_map_dim(bmap
, isl_dim_in
))
1090 return 1 + isl_basic_map_dim(bmap
, isl_dim_param
) + pos
;
1091 pos
-= isl_basic_map_dim(bmap
, isl_dim_in
);
1093 if (pos
< isl_basic_map_dim(bmap
, isl_dim_div
))
1094 return 1 + isl_basic_map_dim(bmap
, isl_dim_param
) +
1095 isl_basic_map_dim(bmap
, isl_dim_in
) +
1096 isl_basic_map_dim(bmap
, isl_dim_out
) + pos
;
1097 pos
-= isl_basic_map_dim(bmap
, isl_dim_div
);
1099 if (pos
< isl_basic_map_dim(bmap
, isl_dim_param
))
1105 static __isl_give isl_basic_map
*basic_map_read_polylib_constraint(
1106 struct isl_stream
*s
, __isl_take isl_basic_map
*bmap
)
1109 struct isl_token
*tok
;
1119 nparam
= isl_basic_map_dim(bmap
, isl_dim_param
);
1120 dim
= isl_basic_map_dim(bmap
, isl_dim_out
);
1122 tok
= isl_stream_next_token(s
);
1123 if (!tok
|| tok
->type
!= ISL_TOKEN_VALUE
) {
1124 isl_stream_error(s
, tok
, "expecting coefficient");
1126 isl_stream_push_token(s
, tok
);
1129 if (!tok
->on_new_line
) {
1130 isl_stream_error(s
, tok
, "coefficient should appear on new line");
1131 isl_stream_push_token(s
, tok
);
1135 type
= isl_int_get_si(tok
->u
.v
);
1136 isl_token_free(tok
);
1138 isl_assert(s
->ctx
, type
== 0 || type
== 1, goto error
);
1140 k
= isl_basic_map_alloc_equality(bmap
);
1143 k
= isl_basic_map_alloc_inequality(bmap
);
1149 for (j
= 0; j
< 1 + isl_basic_map_total_dim(bmap
); ++j
) {
1151 tok
= isl_stream_next_token(s
);
1152 if (!tok
|| tok
->type
!= ISL_TOKEN_VALUE
) {
1153 isl_stream_error(s
, tok
, "expecting coefficient");
1155 isl_stream_push_token(s
, tok
);
1158 if (tok
->on_new_line
) {
1159 isl_stream_error(s
, tok
,
1160 "coefficient should not appear on new line");
1161 isl_stream_push_token(s
, tok
);
1164 pos
= polylib_pos_to_isl_pos(bmap
, j
);
1165 isl_int_set(c
[pos
], tok
->u
.v
);
1166 isl_token_free(tok
);
1171 isl_basic_map_free(bmap
);
1175 static __isl_give isl_basic_map
*basic_map_read_polylib(struct isl_stream
*s
,
1179 struct isl_token
*tok
;
1180 struct isl_token
*tok2
;
1183 unsigned in
= 0, out
, local
= 0;
1184 struct isl_basic_map
*bmap
= NULL
;
1189 tok
= isl_stream_next_token(s
);
1191 isl_stream_error(s
, NULL
, "unexpected EOF");
1194 tok2
= isl_stream_next_token(s
);
1196 isl_token_free(tok
);
1197 isl_stream_error(s
, NULL
, "unexpected EOF");
1200 if (tok
->type
!= ISL_TOKEN_VALUE
|| tok2
->type
!= ISL_TOKEN_VALUE
) {
1201 isl_stream_push_token(s
, tok2
);
1202 isl_stream_push_token(s
, tok
);
1203 isl_stream_error(s
, NULL
,
1204 "expecting constraint matrix dimensions");
1207 n_row
= isl_int_get_si(tok
->u
.v
);
1208 n_col
= isl_int_get_si(tok2
->u
.v
);
1209 on_new_line
= tok2
->on_new_line
;
1210 isl_token_free(tok2
);
1211 isl_token_free(tok
);
1212 isl_assert(s
->ctx
, !on_new_line
, return NULL
);
1213 isl_assert(s
->ctx
, n_row
>= 0, return NULL
);
1214 isl_assert(s
->ctx
, n_col
>= 2 + nparam
, return NULL
);
1215 tok
= isl_stream_next_token_on_same_line(s
);
1217 if (tok
->type
!= ISL_TOKEN_VALUE
) {
1218 isl_stream_error(s
, tok
,
1219 "expecting number of output dimensions");
1220 isl_stream_push_token(s
, tok
);
1223 out
= isl_int_get_si(tok
->u
.v
);
1224 isl_token_free(tok
);
1226 tok
= isl_stream_next_token_on_same_line(s
);
1227 if (!tok
|| tok
->type
!= ISL_TOKEN_VALUE
) {
1228 isl_stream_error(s
, tok
,
1229 "expecting number of input dimensions");
1231 isl_stream_push_token(s
, tok
);
1234 in
= isl_int_get_si(tok
->u
.v
);
1235 isl_token_free(tok
);
1237 tok
= isl_stream_next_token_on_same_line(s
);
1238 if (!tok
|| tok
->type
!= ISL_TOKEN_VALUE
) {
1239 isl_stream_error(s
, tok
,
1240 "expecting number of existentials");
1242 isl_stream_push_token(s
, tok
);
1245 local
= isl_int_get_si(tok
->u
.v
);
1246 isl_token_free(tok
);
1248 tok
= isl_stream_next_token_on_same_line(s
);
1249 if (!tok
|| tok
->type
!= ISL_TOKEN_VALUE
) {
1250 isl_stream_error(s
, tok
,
1251 "expecting number of parameters");
1253 isl_stream_push_token(s
, tok
);
1256 nparam
= isl_int_get_si(tok
->u
.v
);
1257 isl_token_free(tok
);
1258 if (n_col
!= 1 + out
+ in
+ local
+ nparam
+ 1) {
1259 isl_stream_error(s
, NULL
,
1260 "dimensions don't match");
1264 out
= n_col
- 2 - nparam
;
1265 bmap
= isl_basic_map_alloc(s
->ctx
, nparam
, in
, out
, local
, n_row
, n_row
);
1269 for (i
= 0; i
< local
; ++i
) {
1270 int k
= isl_basic_map_alloc_div(bmap
);
1273 isl_seq_clr(bmap
->div
[k
], 1 + 1 + nparam
+ in
+ out
+ local
);
1276 for (i
= 0; i
< n_row
; ++i
)
1277 bmap
= basic_map_read_polylib_constraint(s
, bmap
);
1279 tok
= isl_stream_next_token_on_same_line(s
);
1281 isl_stream_error(s
, tok
, "unexpected extra token on line");
1282 isl_stream_push_token(s
, tok
);
1286 bmap
= isl_basic_map_simplify(bmap
);
1287 bmap
= isl_basic_map_finalize(bmap
);
1290 isl_basic_map_free(bmap
);
1294 static struct isl_map
*map_read_polylib(struct isl_stream
*s
, int nparam
)
1296 struct isl_token
*tok
;
1297 struct isl_token
*tok2
;
1299 struct isl_map
*map
;
1301 tok
= isl_stream_next_token(s
);
1303 isl_stream_error(s
, NULL
, "unexpected EOF");
1306 tok2
= isl_stream_next_token_on_same_line(s
);
1307 if (tok2
&& tok2
->type
== ISL_TOKEN_VALUE
) {
1308 isl_stream_push_token(s
, tok2
);
1309 isl_stream_push_token(s
, tok
);
1310 return isl_map_from_basic_map(basic_map_read_polylib(s
, nparam
));
1313 isl_stream_error(s
, tok2
, "unexpected token");
1314 isl_stream_push_token(s
, tok2
);
1315 isl_stream_push_token(s
, tok
);
1318 n
= isl_int_get_si(tok
->u
.v
);
1319 isl_token_free(tok
);
1321 isl_assert(s
->ctx
, n
>= 1, return NULL
);
1323 map
= isl_map_from_basic_map(basic_map_read_polylib(s
, nparam
));
1325 for (i
= 1; map
&& i
< n
; ++i
)
1326 map
= isl_map_union(map
,
1327 isl_map_from_basic_map(basic_map_read_polylib(s
, nparam
)));
1332 static int optional_power(struct isl_stream
*s
)
1335 struct isl_token
*tok
;
1337 tok
= isl_stream_next_token(s
);
1340 if (tok
->type
!= '^') {
1341 isl_stream_push_token(s
, tok
);
1344 isl_token_free(tok
);
1345 tok
= isl_stream_next_token(s
);
1346 if (!tok
|| tok
->type
!= ISL_TOKEN_VALUE
) {
1347 isl_stream_error(s
, tok
, "expecting exponent");
1349 isl_stream_push_token(s
, tok
);
1352 pow
= isl_int_get_si(tok
->u
.v
);
1353 isl_token_free(tok
);
1357 static __isl_give isl_div
*read_div(struct isl_stream
*s
,
1358 __isl_take isl_dim
*dim
, struct vars
*v
)
1361 isl_basic_map
*bmap
;
1364 bmap
= isl_basic_map_universe(dim
);
1366 if (vars_add_anon(v
) < 0)
1368 if (read_div_definition(s
, v
) < 0)
1370 bmap
= add_divs(bmap
, v
);
1371 bmap
= isl_basic_map_order_divs(bmap
);
1374 vars_drop(v
, v
->n
- n
);
1376 return isl_basic_map_div(bmap
, bmap
->n_div
- 1);
1378 isl_basic_map_free(bmap
);
1382 static __isl_give isl_qpolynomial
*read_term(struct isl_stream
*s
,
1383 __isl_keep isl_basic_map
*bmap
, struct vars
*v
);
1385 static __isl_give isl_qpolynomial
*read_factor(struct isl_stream
*s
,
1386 __isl_keep isl_basic_map
*bmap
, struct vars
*v
)
1388 struct isl_qpolynomial
*qp
;
1389 struct isl_token
*tok
;
1391 tok
= isl_stream_next_token(s
);
1393 isl_stream_error(s
, NULL
, "unexpected EOF");
1396 if (tok
->type
== '(') {
1399 isl_token_free(tok
);
1400 qp
= read_term(s
, bmap
, v
);
1403 if (isl_stream_eat(s
, ')'))
1405 pow
= optional_power(s
);
1406 qp
= isl_qpolynomial_pow(qp
, pow
);
1407 } else if (tok
->type
== ISL_TOKEN_VALUE
) {
1408 struct isl_token
*tok2
;
1409 tok2
= isl_stream_next_token(s
);
1410 if (tok2
&& tok2
->type
== '/') {
1411 isl_token_free(tok2
);
1412 tok2
= isl_stream_next_token(s
);
1413 if (!tok2
|| tok2
->type
!= ISL_TOKEN_VALUE
) {
1414 isl_stream_error(s
, tok2
, "expected denominator");
1415 isl_token_free(tok
);
1416 isl_token_free(tok2
);
1419 qp
= isl_qpolynomial_rat_cst(isl_basic_map_get_dim(bmap
),
1420 tok
->u
.v
, tok2
->u
.v
);
1421 isl_token_free(tok2
);
1423 isl_stream_push_token(s
, tok2
);
1424 qp
= isl_qpolynomial_cst(isl_basic_map_get_dim(bmap
),
1427 isl_token_free(tok
);
1428 } else if (tok
->type
== ISL_TOKEN_INFTY
) {
1429 isl_token_free(tok
);
1430 qp
= isl_qpolynomial_infty(isl_basic_map_get_dim(bmap
));
1431 } else if (tok
->type
== ISL_TOKEN_NAN
) {
1432 isl_token_free(tok
);
1433 qp
= isl_qpolynomial_nan(isl_basic_map_get_dim(bmap
));
1434 } else if (tok
->type
== ISL_TOKEN_IDENT
) {
1436 int pos
= vars_pos(v
, tok
->u
.s
, -1);
1439 isl_token_free(tok
);
1443 vars_drop(v
, v
->n
- n
);
1444 isl_stream_error(s
, tok
, "unknown identifier");
1445 isl_token_free(tok
);
1448 isl_token_free(tok
);
1449 pow
= optional_power(s
);
1450 qp
= isl_qpolynomial_var_pow(isl_basic_map_get_dim(bmap
), pos
, pow
);
1451 } else if (tok
->type
== '[') {
1455 isl_stream_push_token(s
, tok
);
1456 div
= read_div(s
, isl_basic_map_get_dim(bmap
), v
);
1457 pow
= optional_power(s
);
1458 qp
= isl_qpolynomial_div_pow(div
, pow
);
1459 } else if (tok
->type
== '-') {
1460 struct isl_qpolynomial
*qp2
;
1462 isl_token_free(tok
);
1463 qp
= isl_qpolynomial_cst(isl_basic_map_get_dim(bmap
),
1465 qp2
= read_factor(s
, bmap
, v
);
1466 qp
= isl_qpolynomial_mul(qp
, qp2
);
1468 isl_stream_error(s
, tok
, "unexpected isl_token");
1469 isl_stream_push_token(s
, tok
);
1473 if (isl_stream_eat_if_available(s
, '*') ||
1474 isl_stream_next_token_is(s
, ISL_TOKEN_IDENT
)) {
1475 struct isl_qpolynomial
*qp2
;
1477 qp2
= read_factor(s
, bmap
, v
);
1478 qp
= isl_qpolynomial_mul(qp
, qp2
);
1483 isl_qpolynomial_free(qp
);
1487 static __isl_give isl_qpolynomial
*read_term(struct isl_stream
*s
,
1488 __isl_keep isl_basic_map
*bmap
, struct vars
*v
)
1490 struct isl_token
*tok
;
1491 struct isl_qpolynomial
*qp
;
1493 qp
= read_factor(s
, bmap
, v
);
1496 tok
= isl_stream_next_token(s
);
1500 if (tok
->type
== '+') {
1501 struct isl_qpolynomial
*qp2
;
1503 isl_token_free(tok
);
1504 qp2
= read_factor(s
, bmap
, v
);
1505 qp
= isl_qpolynomial_add(qp
, qp2
);
1506 } else if (tok
->type
== '-') {
1507 struct isl_qpolynomial
*qp2
;
1509 isl_token_free(tok
);
1510 qp2
= read_factor(s
, bmap
, v
);
1511 qp
= isl_qpolynomial_sub(qp
, qp2
);
1512 } else if (tok
->type
== ISL_TOKEN_VALUE
&&
1513 isl_int_is_neg(tok
->u
.v
)) {
1514 struct isl_qpolynomial
*qp2
;
1516 isl_stream_push_token(s
, tok
);
1517 qp2
= read_factor(s
, bmap
, v
);
1518 qp
= isl_qpolynomial_add(qp
, qp2
);
1520 isl_stream_push_token(s
, tok
);
1528 static __isl_give isl_map
*read_optional_disjuncts(struct isl_stream
*s
,
1529 __isl_take isl_basic_map
*bmap
, struct vars
*v
)
1531 struct isl_token
*tok
;
1532 struct isl_map
*map
;
1534 tok
= isl_stream_next_token(s
);
1536 isl_stream_error(s
, NULL
, "unexpected EOF");
1539 map
= isl_map_from_basic_map(isl_basic_map_copy(bmap
));
1540 if (tok
->type
== ':') {
1541 isl_token_free(tok
);
1542 map
= isl_map_intersect(map
,
1543 read_disjuncts(s
, v
, isl_basic_map_get_dim(bmap
)));
1545 isl_stream_push_token(s
, tok
);
1547 isl_basic_map_free(bmap
);
1551 isl_basic_map_free(bmap
);
1555 static struct isl_obj
obj_read_poly(struct isl_stream
*s
,
1556 __isl_take isl_basic_map
*bmap
, struct vars
*v
, int n
)
1558 struct isl_obj obj
= { isl_obj_pw_qpolynomial
, NULL
};
1559 struct isl_pw_qpolynomial
*pwqp
;
1560 struct isl_qpolynomial
*qp
;
1561 struct isl_map
*map
;
1562 struct isl_set
*set
;
1564 qp
= read_term(s
, bmap
, v
);
1565 map
= read_optional_disjuncts(s
, bmap
, v
);
1566 set
= isl_map_range(map
);
1568 pwqp
= isl_pw_qpolynomial_alloc(set
, qp
);
1570 vars_drop(v
, v
->n
- n
);
1576 static struct isl_obj
obj_read_poly_or_fold(struct isl_stream
*s
,
1577 __isl_take isl_basic_map
*bmap
, struct vars
*v
, int n
)
1579 struct isl_obj obj
= { isl_obj_pw_qpolynomial_fold
, NULL
};
1580 struct isl_obj obj_p
;
1581 isl_qpolynomial
*qp
;
1582 isl_qpolynomial_fold
*fold
= NULL
;
1583 isl_pw_qpolynomial_fold
*pwf
;
1587 if (!isl_stream_eat_if_available(s
, ISL_TOKEN_MAX
))
1588 return obj_read_poly(s
, bmap
, v
, n
);
1590 if (isl_stream_eat(s
, '('))
1593 qp
= read_term(s
, bmap
, v
);
1594 fold
= isl_qpolynomial_fold_alloc(isl_fold_max
, qp
);
1596 while (isl_stream_eat_if_available(s
, ',')) {
1597 isl_qpolynomial_fold
*fold_i
;
1598 qp
= read_term(s
, bmap
, v
);
1599 fold_i
= isl_qpolynomial_fold_alloc(isl_fold_max
, qp
);
1600 fold
= isl_qpolynomial_fold_fold(fold
, fold_i
);
1603 if (isl_stream_eat(s
, ')'))
1606 map
= read_optional_disjuncts(s
, bmap
, v
);
1607 set
= isl_map_range(map
);
1608 pwf
= isl_pw_qpolynomial_fold_alloc(isl_fold_max
, set
, fold
);
1610 vars_drop(v
, v
->n
- n
);
1615 isl_basic_map_free(bmap
);
1616 isl_qpolynomial_fold_free(fold
);
1617 obj
.type
= isl_obj_none
;
1621 static struct isl_obj
obj_read_body(struct isl_stream
*s
,
1622 __isl_take isl_basic_map
*bmap
, struct vars
*v
)
1624 struct isl_map
*map
= NULL
;
1625 struct isl_token
*tok
;
1626 struct isl_obj obj
= { isl_obj_set
, NULL
};
1629 if (!next_is_tuple(s
))
1630 return obj_read_poly_or_fold(s
, bmap
, v
, n
);
1632 bmap
= read_tuple(s
, bmap
, isl_dim_in
, v
);
1635 tok
= isl_stream_next_token(s
);
1636 if (tok
&& tok
->type
== ISL_TOKEN_TO
) {
1637 obj
.type
= isl_obj_map
;
1638 isl_token_free(tok
);
1639 if (!next_is_tuple(s
)) {
1640 bmap
= isl_basic_map_reverse(bmap
);
1641 return obj_read_poly_or_fold(s
, bmap
, v
, n
);
1643 bmap
= read_tuple(s
, bmap
, isl_dim_out
, v
);
1647 bmap
= isl_basic_map_reverse(bmap
);
1649 isl_stream_push_token(s
, tok
);
1652 map
= read_optional_disjuncts(s
, bmap
, v
);
1654 vars_drop(v
, v
->n
- n
);
1659 isl_basic_map_free(bmap
);
1660 obj
.type
= isl_obj_none
;
1664 static struct isl_obj
to_union(isl_ctx
*ctx
, struct isl_obj obj
)
1666 if (obj
.type
== isl_obj_map
) {
1667 obj
.v
= isl_union_map_from_map(obj
.v
);
1668 obj
.type
= isl_obj_union_map
;
1669 } else if (obj
.type
== isl_obj_set
) {
1670 obj
.v
= isl_union_set_from_set(obj
.v
);
1671 obj
.type
= isl_obj_union_set
;
1672 } else if (obj
.type
== isl_obj_pw_qpolynomial
) {
1673 obj
.v
= isl_union_pw_qpolynomial_from_pw_qpolynomial(obj
.v
);
1674 obj
.type
= isl_obj_union_pw_qpolynomial
;
1675 } else if (obj
.type
== isl_obj_pw_qpolynomial_fold
) {
1676 obj
.v
= isl_union_pw_qpolynomial_fold_from_pw_qpolynomial_fold(obj
.v
);
1677 obj
.type
= isl_obj_union_pw_qpolynomial_fold
;
1679 isl_assert(ctx
, 0, goto error
);
1682 obj
.type
->free(obj
.v
);
1683 obj
.type
= isl_obj_none
;
1687 static struct isl_obj
obj_add(struct isl_ctx
*ctx
,
1688 struct isl_obj obj1
, struct isl_obj obj2
)
1690 if (obj1
.type
== isl_obj_set
&& obj2
.type
== isl_obj_union_set
)
1691 obj1
= to_union(ctx
, obj1
);
1692 if (obj1
.type
== isl_obj_union_set
&& obj2
.type
== isl_obj_set
)
1693 obj2
= to_union(ctx
, obj2
);
1694 if (obj1
.type
== isl_obj_map
&& obj2
.type
== isl_obj_union_map
)
1695 obj1
= to_union(ctx
, obj1
);
1696 if (obj1
.type
== isl_obj_union_map
&& obj2
.type
== isl_obj_map
)
1697 obj2
= to_union(ctx
, obj2
);
1698 if (obj1
.type
== isl_obj_pw_qpolynomial
&&
1699 obj2
.type
== isl_obj_union_pw_qpolynomial
)
1700 obj1
= to_union(ctx
, obj1
);
1701 if (obj1
.type
== isl_obj_union_pw_qpolynomial
&&
1702 obj2
.type
== isl_obj_pw_qpolynomial
)
1703 obj2
= to_union(ctx
, obj2
);
1704 if (obj1
.type
== isl_obj_pw_qpolynomial_fold
&&
1705 obj2
.type
== isl_obj_union_pw_qpolynomial_fold
)
1706 obj1
= to_union(ctx
, obj1
);
1707 if (obj1
.type
== isl_obj_union_pw_qpolynomial_fold
&&
1708 obj2
.type
== isl_obj_pw_qpolynomial_fold
)
1709 obj2
= to_union(ctx
, obj2
);
1710 isl_assert(ctx
, obj1
.type
== obj2
.type
, goto error
);
1711 if (obj1
.type
== isl_obj_map
&& !isl_map_has_equal_dim(obj1
.v
, obj2
.v
)) {
1712 obj1
= to_union(ctx
, obj1
);
1713 obj2
= to_union(ctx
, obj2
);
1715 if (obj1
.type
== isl_obj_set
&& !isl_set_has_equal_dim(obj1
.v
, obj2
.v
)) {
1716 obj1
= to_union(ctx
, obj1
);
1717 obj2
= to_union(ctx
, obj2
);
1719 if (obj1
.type
== isl_obj_pw_qpolynomial
&&
1720 !isl_pw_qpolynomial_has_equal_dim(obj1
.v
, obj2
.v
)) {
1721 obj1
= to_union(ctx
, obj1
);
1722 obj2
= to_union(ctx
, obj2
);
1724 if (obj1
.type
== isl_obj_pw_qpolynomial_fold
&&
1725 !isl_pw_qpolynomial_fold_has_equal_dim(obj1
.v
, obj2
.v
)) {
1726 obj1
= to_union(ctx
, obj1
);
1727 obj2
= to_union(ctx
, obj2
);
1729 obj1
.v
= obj1
.type
->add(obj1
.v
, obj2
.v
);
1732 obj1
.type
->free(obj1
.v
);
1733 obj2
.type
->free(obj2
.v
);
1734 obj1
.type
= isl_obj_none
;
1739 static struct isl_obj
obj_read(struct isl_stream
*s
, int nparam
)
1741 isl_basic_map
*bmap
= NULL
;
1742 struct isl_token
*tok
;
1743 struct vars
*v
= NULL
;
1744 struct isl_obj obj
= { isl_obj_set
, NULL
};
1746 tok
= isl_stream_next_token(s
);
1748 isl_stream_error(s
, NULL
, "unexpected EOF");
1751 if (tok
->type
== ISL_TOKEN_VALUE
) {
1752 struct isl_map
*map
;
1753 isl_stream_push_token(s
, tok
);
1754 map
= map_read_polylib(s
, nparam
);
1757 if (isl_map_dim(map
, isl_dim_in
) > 0)
1758 obj
.type
= isl_obj_map
;
1762 v
= vars_new(s
->ctx
);
1764 isl_stream_push_token(s
, tok
);
1767 bmap
= isl_basic_map_alloc(s
->ctx
, 0, 0, 0, 0, 0, 0);
1768 if (tok
->type
== '[') {
1769 isl_stream_push_token(s
, tok
);
1770 bmap
= read_tuple(s
, bmap
, isl_dim_param
, v
);
1774 isl_assert(s
->ctx
, nparam
== v
->n
, goto error
);
1775 tok
= isl_stream_next_token(s
);
1776 if (!tok
|| tok
->type
!= ISL_TOKEN_TO
) {
1777 isl_stream_error(s
, tok
, "expecting '->'");
1779 isl_stream_push_token(s
, tok
);
1782 isl_token_free(tok
);
1783 tok
= isl_stream_next_token(s
);
1784 } else if (nparam
> 0)
1785 bmap
= isl_basic_map_add(bmap
, isl_dim_param
, nparam
);
1786 if (!tok
|| tok
->type
!= '{') {
1787 isl_stream_error(s
, tok
, "expecting '{'");
1789 isl_stream_push_token(s
, tok
);
1792 isl_token_free(tok
);
1794 tok
= isl_stream_next_token(s
);
1797 else if (tok
->type
== ISL_TOKEN_IDENT
&& !strcmp(tok
->u
.s
, "Sym")) {
1798 isl_token_free(tok
);
1799 if (isl_stream_eat(s
, '='))
1801 bmap
= read_tuple(s
, bmap
, isl_dim_param
, v
);
1805 isl_assert(s
->ctx
, nparam
== v
->n
, goto error
);
1806 } else if (tok
->type
== '}') {
1807 obj
.type
= isl_obj_union_set
;
1808 obj
.v
= isl_union_set_empty(isl_basic_map_get_dim(bmap
));
1809 isl_token_free(tok
);
1812 isl_stream_push_token(s
, tok
);
1817 o
= obj_read_body(s
, isl_basic_map_copy(bmap
), v
);
1818 if (o
.type
== isl_obj_none
|| !o
.v
)
1823 obj
= obj_add(s
->ctx
, obj
, o
);
1824 if (obj
.type
== isl_obj_none
|| !obj
.v
)
1827 tok
= isl_stream_next_token(s
);
1828 if (!tok
|| tok
->type
!= ';')
1830 isl_token_free(tok
);
1833 if (tok
&& tok
->type
== '}') {
1834 isl_token_free(tok
);
1836 isl_stream_error(s
, tok
, "unexpected isl_token");
1838 isl_token_free(tok
);
1843 isl_basic_map_free(bmap
);
1847 isl_basic_map_free(bmap
);
1848 obj
.type
->free(obj
.v
);
1855 struct isl_obj
isl_stream_read_obj(struct isl_stream
*s
)
1857 return obj_read(s
, -1);
1860 __isl_give isl_map
*isl_stream_read_map(struct isl_stream
*s
, int nparam
)
1863 struct isl_map
*map
;
1865 obj
= obj_read(s
, nparam
);
1867 isl_assert(s
->ctx
, obj
.type
== isl_obj_map
||
1868 obj
.type
== isl_obj_set
, goto error
);
1872 obj
.type
->free(obj
.v
);
1876 __isl_give isl_set
*isl_stream_read_set(struct isl_stream
*s
, int nparam
)
1879 struct isl_set
*set
;
1881 obj
= obj_read(s
, nparam
);
1883 isl_assert(s
->ctx
, obj
.type
== isl_obj_set
, goto error
);
1887 obj
.type
->free(obj
.v
);
1891 __isl_give isl_union_map
*isl_stream_read_union_map(struct isl_stream
*s
)
1894 isl_union_map
*umap
;
1896 obj
= obj_read(s
, -1);
1897 if (obj
.type
== isl_obj_map
) {
1898 obj
.type
= isl_obj_union_map
;
1899 obj
.v
= isl_union_map_from_map(obj
.v
);
1901 if (obj
.type
== isl_obj_set
) {
1902 obj
.type
= isl_obj_union_set
;
1903 obj
.v
= isl_union_set_from_set(obj
.v
);
1906 isl_assert(s
->ctx
, obj
.type
== isl_obj_union_map
||
1907 obj
.type
== isl_obj_union_set
, goto error
);
1911 obj
.type
->free(obj
.v
);
1915 __isl_give isl_union_set
*isl_stream_read_union_set(struct isl_stream
*s
)
1918 isl_union_set
*uset
;
1920 obj
= obj_read(s
, -1);
1921 if (obj
.type
== isl_obj_set
) {
1922 obj
.type
= isl_obj_union_set
;
1923 obj
.v
= isl_union_set_from_set(obj
.v
);
1926 isl_assert(s
->ctx
, obj
.type
== isl_obj_union_set
, goto error
);
1930 obj
.type
->free(obj
.v
);
1934 static struct isl_basic_map
*basic_map_read(struct isl_stream
*s
, int nparam
)
1937 struct isl_map
*map
;
1938 struct isl_basic_map
*bmap
;
1940 obj
= obj_read(s
, nparam
);
1945 isl_assert(map
->ctx
, map
->n
<= 1, goto error
);
1948 bmap
= isl_basic_map_empty_like_map(map
);
1950 bmap
= isl_basic_map_copy(map
->p
[0]);
1960 __isl_give isl_basic_map
*isl_basic_map_read_from_file(isl_ctx
*ctx
,
1961 FILE *input
, int nparam
)
1963 struct isl_basic_map
*bmap
;
1964 struct isl_stream
*s
= isl_stream_new_file(ctx
, input
);
1967 bmap
= basic_map_read(s
, nparam
);
1972 __isl_give isl_basic_set
*isl_basic_set_read_from_file(isl_ctx
*ctx
,
1973 FILE *input
, int nparam
)
1975 struct isl_basic_map
*bmap
;
1976 bmap
= isl_basic_map_read_from_file(ctx
, input
, nparam
);
1979 isl_assert(ctx
, isl_basic_map_n_in(bmap
) == 0, goto error
);
1980 return (struct isl_basic_set
*)bmap
;
1982 isl_basic_map_free(bmap
);
1986 struct isl_basic_map
*isl_basic_map_read_from_str(struct isl_ctx
*ctx
,
1987 const char *str
, int nparam
)
1989 struct isl_basic_map
*bmap
;
1990 struct isl_stream
*s
= isl_stream_new_str(ctx
, str
);
1993 bmap
= basic_map_read(s
, nparam
);
1998 struct isl_basic_set
*isl_basic_set_read_from_str(struct isl_ctx
*ctx
,
1999 const char *str
, int nparam
)
2001 struct isl_basic_map
*bmap
;
2002 bmap
= isl_basic_map_read_from_str(ctx
, str
, nparam
);
2005 isl_assert(ctx
, isl_basic_map_n_in(bmap
) == 0, goto error
);
2006 return (struct isl_basic_set
*)bmap
;
2008 isl_basic_map_free(bmap
);
2012 __isl_give isl_map
*isl_map_read_from_file(struct isl_ctx
*ctx
,
2013 FILE *input
, int nparam
)
2015 struct isl_map
*map
;
2016 struct isl_stream
*s
= isl_stream_new_file(ctx
, input
);
2019 map
= isl_stream_read_map(s
, nparam
);
2024 __isl_give isl_map
*isl_map_read_from_str(struct isl_ctx
*ctx
,
2025 const char *str
, int nparam
)
2027 struct isl_map
*map
;
2028 struct isl_stream
*s
= isl_stream_new_str(ctx
, str
);
2031 map
= isl_stream_read_map(s
, nparam
);
2036 __isl_give isl_set
*isl_set_read_from_file(struct isl_ctx
*ctx
,
2037 FILE *input
, int nparam
)
2039 struct isl_map
*map
;
2040 map
= isl_map_read_from_file(ctx
, input
, nparam
);
2043 isl_assert(ctx
, isl_map_n_in(map
) == 0, goto error
);
2044 return (struct isl_set
*)map
;
2050 struct isl_set
*isl_set_read_from_str(struct isl_ctx
*ctx
,
2051 const char *str
, int nparam
)
2053 struct isl_map
*map
;
2054 map
= isl_map_read_from_str(ctx
, str
, nparam
);
2057 isl_assert(ctx
, isl_map_n_in(map
) == 0, goto error
);
2058 return (struct isl_set
*)map
;
2064 __isl_give isl_union_map
*isl_union_map_read_from_str(struct isl_ctx
*ctx
,
2067 isl_union_map
*umap
;
2068 struct isl_stream
*s
= isl_stream_new_str(ctx
, str
);
2071 umap
= isl_stream_read_union_map(s
);
2076 __isl_give isl_union_set
*isl_union_set_read_from_str(struct isl_ctx
*ctx
,
2079 isl_union_set
*uset
;
2080 struct isl_stream
*s
= isl_stream_new_str(ctx
, str
);
2083 uset
= isl_stream_read_union_set(s
);
2088 static __isl_give isl_vec
*isl_vec_read_polylib(struct isl_stream
*s
)
2090 struct isl_vec
*vec
= NULL
;
2091 struct isl_token
*tok
;
2095 tok
= isl_stream_next_token(s
);
2096 if (!tok
|| tok
->type
!= ISL_TOKEN_VALUE
) {
2097 isl_stream_error(s
, tok
, "expecting vector length");
2101 size
= isl_int_get_si(tok
->u
.v
);
2102 isl_token_free(tok
);
2104 vec
= isl_vec_alloc(s
->ctx
, size
);
2106 for (j
= 0; j
< size
; ++j
) {
2107 tok
= isl_stream_next_token(s
);
2108 if (!tok
|| tok
->type
!= ISL_TOKEN_VALUE
) {
2109 isl_stream_error(s
, tok
, "expecting constant value");
2112 isl_int_set(vec
->el
[j
], tok
->u
.v
);
2113 isl_token_free(tok
);
2118 isl_token_free(tok
);
2123 static __isl_give isl_vec
*vec_read(struct isl_stream
*s
,
2124 unsigned input_format
)
2126 if (input_format
== ISL_FORMAT_POLYLIB
)
2127 return isl_vec_read_polylib(s
);
2128 isl_assert(s
->ctx
, 0, return NULL
);
2131 struct isl_vec
*isl_vec_read_from_file(struct isl_ctx
*ctx
,
2132 FILE *input
, unsigned input_format
)
2135 struct isl_stream
*s
= isl_stream_new_file(ctx
, input
);
2138 v
= vec_read(s
, input_format
);
2143 __isl_give isl_pw_qpolynomial
*isl_stream_read_pw_qpolynomial(
2144 struct isl_stream
*s
)
2147 struct isl_pw_qpolynomial
*pwqp
;
2149 obj
= obj_read(s
, -1);
2151 isl_assert(s
->ctx
, obj
.type
== isl_obj_pw_qpolynomial
,
2156 obj
.type
->free(obj
.v
);
2160 __isl_give isl_pw_qpolynomial
*isl_pw_qpolynomial_read_from_str(isl_ctx
*ctx
,
2163 isl_pw_qpolynomial
*pwqp
;
2164 struct isl_stream
*s
= isl_stream_new_str(ctx
, str
);
2167 pwqp
= isl_stream_read_pw_qpolynomial(s
);