PIKApp/app/pika-debug.c

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2023-09-26 00:35:21 +02:00
/* PIKA - Photo and Image Kooker Application
* a rebranding of The GNU Image Manipulation Program (created with heckimp)
* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
*
* Original copyright, applying to most contents (license remains unchanged):
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* pika-debug.c
* Copyright (C) 2010 Michael Natterer <mitch@gimp.org>
*
* This program 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 of the License, or
* (at your option) any later version.
*
* This program 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 this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <glib-object.h>
#include "core/core-types.h"
#include "core/pikaobject.h"
#include "pika-debug.h"
static GHashTable *class_hash = NULL;
void
pika_debug_enable_instances (void)
{
g_return_if_fail (class_hash == NULL);
class_hash = g_hash_table_new_full (g_str_hash,
g_str_equal,
NULL,
(GDestroyNotify ) g_hash_table_unref);
}
void
pika_debug_add_instance (GObject *instance,
GObjectClass *klass)
{
if (class_hash)
{
GHashTable *instance_hash;
const gchar *type_name;
type_name = g_type_name (G_TYPE_FROM_CLASS (klass));
instance_hash = g_hash_table_lookup (class_hash, type_name);
if (! instance_hash)
{
instance_hash = g_hash_table_new (g_direct_hash,
g_direct_equal);
g_hash_table_insert (class_hash, (gchar *) type_name, instance_hash);
}
g_hash_table_insert (instance_hash, instance, instance);
}
}
void
pika_debug_remove_instance (GObject *instance)
{
if (class_hash)
{
GHashTable *instance_hash;
const gchar *type_name;
type_name = g_type_name (G_OBJECT_TYPE (instance));
instance_hash = g_hash_table_lookup (class_hash, type_name);
if (instance_hash)
{
g_hash_table_remove (instance_hash, instance);
if (g_hash_table_size (instance_hash) == 0)
g_hash_table_remove (class_hash, type_name);
}
}
}
static void
pika_debug_instance_foreach (GObject *instance)
{
g_printerr (" \'%s\': ref_count = %d\n",
PIKA_IS_OBJECT (instance) ?
pika_object_get_name (instance) : "GObject",
instance->ref_count);
}
static void
pika_debug_class_foreach (const gchar *type_name,
GHashTable *instance_hash)
{
g_printerr ("Leaked %s instances: %d\n",
type_name, g_hash_table_size (instance_hash));
g_hash_table_foreach (instance_hash,
(GHFunc) pika_debug_instance_foreach,
NULL);
}
void
pika_debug_instances (void)
{
if (class_hash)
{
g_hash_table_foreach (class_hash,
(GHFunc) pika_debug_class_foreach,
NULL);
}
}