+ this.failed = [];
+ var failed = this.failed;
+ function verifyUsageMethod(parent,child,method)
+ {
+ // currently only verifies add on container.
+ if (method !='Gtk.Container:add') {
+ return true;
+ }
+ if (failed.indexOf(parent) > -1) {
+ return false;
+ }
+
+ var ar = parent.split('.')
+ var cls =ar[1];
+ var ns =ar[0];
+
+ /*
+ if (parent == 'Gtk.Bin' || methods['Gtk.Bin'].extendsClasses.indexOf(parent) > -1) {
+ return false;
+ }
+ if (['GtkSource.CompletionInfo',
+ 'Gtk.MenuShell',
+ 'GtkSource.View', // ??? nothing can be added to it?
+ 'WebKit.WebView', // ??? nothing can be added to it?
+ 'GtkClutter.Embed'
+ ].indexOf(parent) > -1) {
+ return false;
+ }
+ */
+
+
+ try {
+ var x = new imports.gi[ns][cls]();
+ } catch(e) {
+ failed.push(parent);
+ print("TRY ctor: " + parent );
+ print(JSON.stringify(e));
+ return false;
+ }
+
+ //print("TRY child type: " + parent);
+ var ct = x.child_type();
+ //print(parent + " : says children are of type : " + ct);
+ // get the Gtype for the child?
+ var GObject = imports.gi.GObject;
+ var match = GObject.type_from_name(ar.join(''));
+ //print([match, ct]);
+ //print ("matching?" + (GObject.type_is_a(match, ct ) ? "YES" : "NO"));
+
+
+ return GObject.type_is_a(match, ct ) ? true : false;
+
+ }