+++ /dev/null
-/* Array and structure constructors
- Copyright (C) 2009-2022 Free Software Foundation, Inc.
-
-This file is part of GCC.
-
-GCC is free software; you can redistribute it and/or modify it under
-the terms of the GNU General Public License as published by the Free
-Software Foundation; either version 3, or (at your option) any later
-version.
-
-GCC is distributed in the hope that it will be useful, but WITHOUT ANY
-WARRANTY; without even the implied warranty of MERCHANTABILITY or
-FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
-for more details.
-
-You should have received a copy of the GNU General Public License
-along with GCC; see the file COPYING3. If not see
-<http://www.gnu.org/licenses/>. */
-
-#include "config.h"
-#include "system.h"
-#include "coretypes.h"
-#include "gfortran.h"
-#include "constructor.h"
-
-
-static void
-node_free (splay_tree_value value)
-{
- gfc_constructor *c = (gfc_constructor*)value;
-
- if (c->expr)
- gfc_free_expr (c->expr);
-
- if (c->iterator)
- gfc_free_iterator (c->iterator, 1);
-
- mpz_clear (c->offset);
- mpz_clear (c->repeat);
-
- free (c);
-}
-
-
-static gfc_constructor *
-node_copy (splay_tree_node node, void *base)
-{
- gfc_constructor *c, *src = (gfc_constructor*)node->value;
-
- c = XCNEW (gfc_constructor);
- c->base = (gfc_constructor_base)base;
- c->expr = gfc_copy_expr (src->expr);
- c->iterator = gfc_copy_iterator (src->iterator);
- c->where = src->where;
- c->n.component = src->n.component;
-
- mpz_init_set (c->offset, src->offset);
- mpz_init_set (c->repeat, src->repeat);
-
- return c;
-}
-
-
-static int
-node_copy_and_insert (splay_tree_node node, void *base)
-{
- int n = mpz_get_si (((gfc_constructor*)node->value)->offset);
- gfc_constructor_insert ((gfc_constructor_base*)base,
- node_copy (node, base), n);
- return 0;
-}
-
-
-gfc_constructor *
-gfc_constructor_get (void)
-{
- gfc_constructor *c = XCNEW (gfc_constructor);
- c->base = NULL;
- c->expr = NULL;
- c->iterator = NULL;
-
- mpz_init_set_si (c->offset, 0);
- mpz_init_set_si (c->repeat, 1);
-
- return c;
-}
-
-static gfc_constructor_base
-gfc_constructor_get_base (void)
-{
- return splay_tree_new (splay_tree_compare_ints, NULL, node_free);
-}
-
-
-gfc_constructor_base
-gfc_constructor_copy (gfc_constructor_base base)
-{
- gfc_constructor_base new_base;
-
- if (!base)
- return NULL;
-
- new_base = gfc_constructor_get_base ();
- splay_tree_foreach (base, node_copy_and_insert, &new_base);
-
- return new_base;
-}
-
-
-void
-gfc_constructor_free (gfc_constructor_base base)
-{
- if (base)
- splay_tree_delete (base);
-}
-
-
-gfc_constructor *
-gfc_constructor_append (gfc_constructor_base *base, gfc_constructor *c)
-{
- int offset = 0;
- if (*base)
- offset = (int)(splay_tree_max (*base)->key) + 1;
-
- return gfc_constructor_insert (base, c, offset);
-}
-
-
-gfc_constructor *
-gfc_constructor_append_expr (gfc_constructor_base *base,
- gfc_expr *e, locus *where)
-{
- gfc_constructor *c = gfc_constructor_get ();
- c->expr = e;
- if (where)
- c->where = *where;
-
- return gfc_constructor_append (base, c);
-}
-
-
-gfc_constructor *
-gfc_constructor_insert (gfc_constructor_base *base, gfc_constructor *c, int n)
-{
- splay_tree_node node;
-
- if (*base == NULL)
- *base = splay_tree_new (splay_tree_compare_ints, NULL, node_free);
-
- c->base = *base;
- mpz_set_si (c->offset, n);
-
- node = splay_tree_insert (*base, (splay_tree_key) n, (splay_tree_value) c);
- gcc_assert (node);
-
- return (gfc_constructor*)node->value;
-}
-
-
-gfc_constructor *
-gfc_constructor_insert_expr (gfc_constructor_base *base,
- gfc_expr *e, locus *where, int n)
-{
- gfc_constructor *c = gfc_constructor_get ();
- c->expr = e;
- if (where)
- c->where = *where;
-
- return gfc_constructor_insert (base, c, n);
-}
-
-
-gfc_constructor *
-gfc_constructor_lookup (gfc_constructor_base base, int offset)
-{
- gfc_constructor *c;
- splay_tree_node node;
-
- if (!base)
- return NULL;
-
- node = splay_tree_lookup (base, (splay_tree_key) offset);
- if (node)
- return (gfc_constructor *) node->value;
-
- /* Check if the previous node has a repeat count big enough to
- cover the offset looked for. */
- node = splay_tree_predecessor (base, (splay_tree_key) offset);
- if (!node)
- return NULL;
-
- c = (gfc_constructor *) node->value;
- if (mpz_cmp_si (c->repeat, 1) > 0)
- {
- if (mpz_get_si (c->offset) + mpz_get_si (c->repeat) <= offset)
- c = NULL;
- }
- else
- c = NULL;
-
- return c;
-}
-
-
-gfc_expr *
-gfc_constructor_lookup_expr (gfc_constructor_base base, int offset)
-{
- gfc_constructor *c = gfc_constructor_lookup (base, offset);
- return c ? c->expr : NULL;
-}
-
-
-gfc_constructor *
-gfc_constructor_first (gfc_constructor_base base)
-{
- if (base)
- {
- splay_tree_node node = splay_tree_min (base);
- return node ? (gfc_constructor*) node->value : NULL;
- }
- else
- return NULL;
-}
-
-
-gfc_constructor *
-gfc_constructor_next (gfc_constructor *ctor)
-{
- if (ctor)
- {
- splay_tree_node node = splay_tree_successor (ctor->base,
- mpz_get_si (ctor->offset));
- return node ? (gfc_constructor*) node->value : NULL;
- }
- else
- return NULL;
-}
-
-
-void
-gfc_constructor_remove (gfc_constructor *ctor)
-{
- if (ctor)
- splay_tree_remove (ctor->base, mpz_get_si (ctor->offset));
-}
-
-
-gfc_constructor *
-gfc_constructor_lookup_next (gfc_constructor_base base, int offset)
-{
- splay_tree_node node;
-
- if (!base)
- return NULL;
-
- node = splay_tree_successor (base, (splay_tree_key) offset);
- if (!node)
- return NULL;
-
- return (gfc_constructor *) node->value;
-}
projects / thirdparty / gcc.git / blobdiff