[seed] printing gobjects: print the address in memory in addition to the gtype

[Alan Knowles <alank src gnome org>]

commit e0fa4100054b10707e46f65a793b455d0e0c27dc
Author: Alban Crequy <alban crequy collabora co uk>
Date:   Wed Jul 31 15:03:49 2013 +0100

    printing gobjects: print the address in memory in addition to the gtype
    
    It is useful for debugging. The output will be this:
    
    > print (file_chooser);
    [gobject GtkFileChooserDialog 0x211c230]
    
    https://bugzilla.gnome.org/show_bug.cgi?id=705205

 libseed/seed-engine.c |   25 ++++++++++++++++++++++++-
 1 files changed, 24 insertions(+), 1 deletions(-)
---
diff --git a/libseed/seed-engine.c b/libseed/seed-engine.c
index 473850e..461198f 100644
--- a/libseed/seed-engine.c
+++ b/libseed/seed-engine.c
@@ -1346,6 +1346,29 @@ seed_gobject_set_property (JSContextRef context,
 }
 
 static JSValueRef
+seed_gobject_convert_to_type (JSContextRef ctx,
+                              JSObjectRef object,
+                              JSType type, JSValueRef * exception)
+{
+  GObject *obj;
+  gchar *as_string;
+
+  if (type == kJSTypeString)
+    {
+      JSValueRef ret;
+      obj = (GObject *) JSObjectGetPrivate (object);
+
+      as_string =
+       g_strdup_printf ("[gobject %s %p]", G_OBJECT_TYPE_NAME (obj), obj);
+      ret = seed_value_from_string (ctx, as_string, exception);
+      g_free (as_string);
+
+      return ret;
+    }
+  return FALSE;
+}
+
+static JSValueRef
 seed_gobject_constructor_convert_to_type (JSContextRef ctx,
                                          JSObjectRef object,
                                          JSType type, JSValueRef * exception)
@@ -1393,7 +1416,7 @@ JSClassDefinition gobject_def = {
   NULL,                                /* Call As Function */
   NULL,                                /* Call As Constructor */
   NULL,                                /* Has Instance */
-  NULL                         /* Convert To Type */
+  seed_gobject_convert_to_type  /* Convert To Type */
 };
 
 JSClassDefinition gobject_method_def = {