app: move the instance debug facility to the new file app/gimp-debug.c

Build it unconditionally but enable it via GIMP_DEBUG=instances

app/Makefile.am

@@ -66,6 +66,8 @@ libapp_sources = \
 	units.h		\
 	version.c	\
 	version.h	\
+	gimp-debug.c	\
+	gimp-debug.h	\
 	gimp-log.c	\
 	gimp-log.h	\
 	gimp-intl.h

app/app.c

@@ -59,6 +59,7 @@
 #include "batch.h"
 #include "errors.h"
 #include "units.h"
+#include "gimp-debug.h"
 
 #include "gimp-intl.h"
 
@@ -255,9 +256,7 @@ app_run (const gchar         *full_prog_name,
 
   g_object_unref (gimp);
 
-#ifdef DEBUG_INSTANCES
-  gimp_object_debug_instances ();
-#endif
+  gimp_debug_instances ();
 
   errors_exit ();
   gegl_exit ();

app/core/gimpobject.c

@@ -29,6 +29,8 @@
 #include "gimpmarshal.h"
 #include "gimpobject.h"
 
+#include "gimp-debug.h"
+
 
 enum
 {
@@ -75,10 +77,6 @@ static GObjectClass *parent_class = NULL;
 
 static guint object_signals[LAST_SIGNAL] = { 0 };
 
-#ifdef DEBUG_INSTANCES
-static GHashTable *class_hash = NULL;
-#endif
-
 
 GType
 gimp_object_get_type (void)
@@ -150,13 +148,6 @@ gimp_object_class_init (GimpObjectClass *klass)
                                                         G_PARAM_CONSTRUCT));
   g_type_class_add_private (klass,
                             sizeof (GimpObjectPrivate));
-
-#ifdef DEBUG_INSTANCES
-  class_hash = g_hash_table_new_full (g_str_hash,
-                                      g_str_equal,
-                                      NULL,
-                                      (GDestroyNotify )g_hash_table_unref);
-#endif
 }
 
 static void
@@ -169,25 +160,7 @@ gimp_object_init (GimpObject      *object,
   object->p->name       = NULL;
   object->p->normalized = NULL;
 
-#ifdef DEBUG_INSTANCES
-  {
-    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, object, object);
-  }
-#endif /* DEBUG_INSTANCES */
+  gimp_debug_add_instance (G_OBJECT (object), G_OBJECT_CLASS (klass));
 }
 
 static void
@@ -210,24 +183,7 @@ gimp_object_finalize (GObject *object)
 {
   gimp_object_name_free (GIMP_OBJECT (object));
 
-#ifdef DEBUG_INSTANCES
-  {
-    GHashTable  *instance_hash;
-    const gchar *type_name;
-
-    type_name = g_type_name (G_OBJECT_TYPE (object));
-
-    instance_hash = g_hash_table_lookup (class_hash, type_name);
-
-    if (instance_hash)
-      {
-        g_hash_table_remove (instance_hash, object);
-
-        if (g_hash_table_size (instance_hash) == 0)
-          g_hash_table_remove (class_hash, type_name);
-      }
-  }
-#endif /* DEBUG_INSTANCES */
+  gimp_debug_remove_instance (object);
 
   G_OBJECT_CLASS (parent_class)->finalize (object);
 }
@@ -568,32 +524,3 @@ gimp_object_real_get_memsize (GimpObject *object,
 
   return memsize + gimp_g_object_get_memsize ((GObject *) object);
 }
-
-#ifdef DEBUG_INSTANCES
-static void
-gimp_object_debug_instance_foreach (GimpObject *object)
-{
-  g_printerr ("  \'%s\': ref_count = %d\n",
-              gimp_object_get_name (object), G_OBJECT (object)->ref_count);
-}
-
-static void
-gimp_object_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) gimp_object_debug_instance_foreach,
-                        NULL);
-}
-
-void
-gimp_object_debug_instances (void)
-{
-  g_hash_table_foreach (class_hash,
-                        (GHFunc) gimp_object_debug_class_foreach,
-                        NULL);
-}
-#endif /* DEBUG_INSTANCES */

app/core/gimpobject.h

@@ -70,11 +70,5 @@ gint          gimp_object_name_collate    (GimpObject       *object1,
 gint64        gimp_object_get_memsize     (GimpObject       *object,
                                            gint64           *gui_size);
 
-/* #define DEBUG_INSTANCES 1 */
-
-#ifdef DEBUG_INSTANCES
-void          gimp_object_debug_instances (void);
-#endif
-
 
 #endif  /* __GIMP_OBJECT_H__ */

app/gimp-log.c

@@ -19,6 +19,7 @@
 
 #include "glib-object.h"
 
+#include "gimp-debug.h"
 #include "gimp-log.h"
 
 
@@ -52,7 +53,8 @@ gimp_log_init (void)
         { "shm",                GIMP_LOG_SHM                },
         { "text-editing",       GIMP_LOG_TEXT_EDITING       },
         { "key-events",         GIMP_LOG_KEY_EVENTS         },
-        { "auto-tab-style",     GIMP_LOG_AUTO_TAB_STYLE     }
+        { "auto-tab-style",     GIMP_LOG_AUTO_TAB_STYLE     },
+        { "instances",          GIMP_LOG_INSTANCES          }
       };
 
       /*  g_parse_debug_string() has special treatment of the string 'help',
@@ -64,6 +66,9 @@ gimp_log_init (void)
         gimp_log_flags = g_parse_debug_string (env_log_val,
                                                log_keys,
                                                G_N_ELEMENTS (log_keys));
+
+      if (gimp_log_flags & GIMP_LOG_INSTANCES)
+        gimp_debug_enable_instances ();
     }
 }
 

app/gimp-log.h

@@ -36,7 +36,8 @@ typedef enum
   GIMP_LOG_SHM                = 1 << 12,
   GIMP_LOG_TEXT_EDITING       = 1 << 13,
   GIMP_LOG_KEY_EVENTS         = 1 << 14,
-  GIMP_LOG_AUTO_TAB_STYLE     = 1 << 15
+  GIMP_LOG_AUTO_TAB_STYLE     = 1 << 15,
+  GIMP_LOG_INSTANCES          = 1 << 16
 } GimpLogFlags;
 
 
@@ -93,6 +94,7 @@ void   gimp_logv     (const gchar *function,
 #define TEXT_EDITING       GIMP_LOG_TEXT_EDITING
 #define KEY_EVENTS         GIMP_LOG_KEY_EVENTS
 #define AUTO_TAB_STYLE     GIMP_LOG_AUTO_TAB_STYLE
+#define INSTANCES          GIMP_LOG_INSTANCES
 
 #if 0 /* last resort */
 #  define GIMP_LOG /* nothing => no varargs, no log */