/*
* Copyright 2008-2009 Katholieke Universiteit Leuven
* Copyright 2011 INRIA Saclay
+ * Copyright 2012 Ecole Normale Superieure
*
- * Use of this software is governed by the GNU LGPLv2.1 license
+ * Use of this software is governed by the MIT license
*
* Written by Sven Verdoolaege, K.U.Leuven, Departement
* Computerwetenschappen, Celestijnenlaan 200A, B-3001 Leuven, Belgium
* and INRIA Saclay - Ile-de-France, Parc Club Orsay Universite,
* ZAC des vignes, 4 rue Jacques Monod, 91893 Orsay, France
+ * and Ecole Normale Superieure, 45 rue d’Ulm, 75230 Paris, France
*/
#define xCAT(A,B) A ## B
return list;
}
+__isl_give LIST(EL) *FN(LIST(EL),dup)(__isl_keep LIST(EL) *list)
+{
+ int i;
+ LIST(EL) *dup;
+
+ if (!list)
+ return NULL;
+
+ dup = FN(LIST(EL),alloc)(FN(LIST(EL),get_ctx)(list), list->n);
+ if (!dup)
+ return NULL;
+ for (i = 0; i < list->n; ++i)
+ dup = FN(LIST(EL),add)(dup, FN(EL,copy)(list->p[i]));
+ return dup;
+}
+
+__isl_give LIST(EL) *FN(LIST(EL),cow)(__isl_take LIST(EL) *list)
+{
+ if (!list)
+ return NULL;
+
+ if (list->ref == 1)
+ return list;
+ list->ref--;
+ return FN(LIST(EL),dup)(list);
+}
+
+/* Make sure "list" has room for at least "n" more pieces.
+ *
+ * If there is only one reference to list, we extend it in place.
+ * Otherwise, we create a new LIST(EL) and copy the elements.
+ */
+static __isl_give LIST(EL) *FN(LIST(EL),grow)(__isl_take LIST(EL) *list, int n)
+{
+ isl_ctx *ctx;
+ int i, new_size;
+ LIST(EL) *res;
+
+ if (!list)
+ return NULL;
+ if (list->n + n <= list->size)
+ return list;
+
+ ctx = FN(LIST(EL),get_ctx)(list);
+ new_size = ((list->n + n + 1) * 3) / 2;
+ if (list->ref == 1) {
+ res = isl_realloc(ctx, list, LIST(EL),
+ sizeof(LIST(EL)) + (new_size - 1) * sizeof(EL *));
+ if (!res)
+ return FN(LIST(EL),free)(list);
+ res->size = new_size;
+ return res;
+ }
+
+ res = FN(LIST(EL),alloc)(ctx, new_size);
+ if (!res)
+ return FN(LIST(EL),free)(list);
+
+ for (i = 0; i < list->n; ++i)
+ res = FN(LIST(EL),add)(res, FN(EL,copy)(list->p[i]));
+
+ FN(LIST(EL),free)(list);
+ return res;
+}
+
__isl_give LIST(EL) *FN(LIST(EL),add)(__isl_take LIST(EL) *list,
__isl_take struct EL *el)
{
+ list = FN(LIST(EL),grow)(list, 1);
if (!list || !el)
goto error;
- isl_assert(list->ctx, list->n < list->size, goto error);
list->p[list->n] = el;
list->n++;
return list;
return NULL;
}
-void FN(LIST(EL),free)(__isl_take LIST(EL) *list)
+/* Remove the "n" elements starting at "first" from "list".
+ */
+__isl_give LIST(EL) *FN(LIST(EL),drop)(__isl_take LIST(EL) *list,
+ unsigned first, unsigned n)
{
int i;
if (!list)
- return;
+ return NULL;
+ if (first + n > list->n || first + n < first)
+ isl_die(list->ctx, isl_error_invalid,
+ "index out of bounds", return FN(LIST(EL),free)(list));
+ if (n == 0)
+ return list;
+ list = FN(LIST(EL),cow)(list);
+ if (!list)
+ return NULL;
+ for (i = 0; i < n; ++i)
+ FN(EL,free)(list->p[first + i]);
+ for (i = first; i + n < list->n; ++i)
+ list->p[i] = list->p[i + n];
+ list->n -= n;
+ return list;
+}
+
+/* Insert "el" at position "pos" in "list".
+ *
+ * If there is only one reference to "list" and if it already has space
+ * for one extra element, we insert it directly into "list".
+ * Otherwise, we create a new list consisting of "el" and copied
+ * elements from "list".
+ */
+__isl_give LIST(EL) *FN(LIST(EL),insert)(__isl_take LIST(EL) *list,
+ unsigned pos, __isl_take struct EL *el)
+{
+ int i;
+ isl_ctx *ctx;
+ LIST(EL) *res;
+
+ if (!list || !el)
+ goto error;
+ ctx = FN(LIST(EL),get_ctx)(list);
+ if (pos > list->n)
+ isl_die(ctx, isl_error_invalid,
+ "index out of bounds", goto error);
+
+ if (list->ref == 1 && list->size > list->n) {
+ for (i = list->n - 1; i >= pos; --i)
+ list->p[i + 1] = list->p[i];
+ list->n++;
+ list->p[pos] = el;
+ return list;
+ }
+
+ res = FN(LIST(EL),alloc)(ctx, list->n + 1);
+ for (i = 0; i < pos; ++i)
+ res = FN(LIST(EL),add)(res, FN(EL,copy)(list->p[i]));
+ res = FN(LIST(EL),add)(res, el);
+ for (i = pos; i < list->n; ++i)
+ res = FN(LIST(EL),add)(res, FN(EL,copy)(list->p[i]));
+ FN(LIST(EL),free)(list);
+
+ return res;
+error:
+ FN(EL,free)(el);
+ FN(LIST(EL),free)(list);
+ return NULL;
+}
+
+void *FN(LIST(EL),free)(__isl_take LIST(EL) *list)
+{
+ int i;
+
+ if (!list)
+ return NULL;
if (--list->ref > 0)
- return;
+ return NULL;
isl_ctx_deref(list->ctx);
for (i = 0; i < list->n; ++i)
FN(EL,free)(list->p[i]);
free(list);
+
+ return NULL;
}
int FN(FN(LIST(EL),n),BASE)(__isl_keep LIST(EL) *list)
return FN(EL,copy)(list->p[index]);
}
+/* Replace the element at position "index" in "list" by "el".
+ */
+__isl_give LIST(EL) *FN(FN(LIST(EL),set),BASE)(__isl_take LIST(EL) *list,
+ int index, __isl_take EL *el)
+{
+ if (!list || !el)
+ goto error;
+ if (index < 0 || index >= list->n)
+ isl_die(list->ctx, isl_error_invalid,
+ "index out of bounds", goto error);
+ if (list->p[index] == el) {
+ FN(EL,free)(el);
+ return list;
+ }
+ list = FN(LIST(EL),cow)(list);
+ if (!list)
+ goto error;
+ FN(EL,free)(list->p[index]);
+ list->p[index] = el;
+ return list;
+error:
+ FN(EL,free)(el);
+ FN(LIST(EL),free)(list);
+ return NULL;
+}
+
int FN(LIST(EL),foreach)(__isl_keep LIST(EL) *list,
int (*fn)(__isl_take EL *el, void *user), void *user)
{
return 0;
}
+__isl_give LIST(EL) *FN(FN(LIST(EL),from),BASE)(__isl_take EL *el)
+{
+ isl_ctx *ctx;
+ LIST(EL) *list;
+
+ if (!el)
+ return NULL;
+ ctx = FN(EL,get_ctx)(el);
+ list = FN(LIST(EL),alloc)(ctx, 1);
+ if (!list)
+ goto error;
+ list = FN(LIST(EL),add)(list, el);
+ return list;
+error:
+ FN(EL,free)(el);
+ return NULL;
+}
+
+__isl_give LIST(EL) *FN(LIST(EL),concat)(__isl_take LIST(EL) *list1,
+ __isl_take LIST(EL) *list2)
+{
+ int i;
+ isl_ctx *ctx;
+ LIST(EL) *res;
+
+ if (!list1 || !list2)
+ goto error;
+
+ ctx = FN(LIST(EL),get_ctx)(list1);
+ res = FN(LIST(EL),alloc)(ctx, list1->n + list2->n);
+ for (i = 0; i < list1->n; ++i)
+ res = FN(LIST(EL),add)(res, FN(EL,copy)(list1->p[i]));
+ for (i = 0; i < list2->n; ++i)
+ res = FN(LIST(EL),add)(res, FN(EL,copy)(list2->p[i]));
+
+ FN(LIST(EL),free)(list1);
+ FN(LIST(EL),free)(list2);
+ return res;
+error:
+ FN(LIST(EL),free)(list1);
+ FN(LIST(EL),free)(list2);
+ return NULL;
+}
+
__isl_give isl_printer *CAT(isl_printer_print_,LIST(BASE))(
__isl_take isl_printer *p, __isl_keep LIST(EL) *list)
{
projects / platform / upstream / isl.git / blobdiff