private int GetOwnPropertyNamesImpl(JSContext cx, JSPropertyEnum **props, out int len, JSValue obj)
{
len = 0;
*props = null;
JSPropertyEnum[] names = null;
int error;
try
{
error = ((JSGetOwnPropertyNamesDelegate)_callbacks.get_own_property_names)(cx, out names, obj);
if (error == 0)
{
if (names != null && names.Length > 0)
{
*props = (JSPropertyEnum *)js_malloc(cx, sizeof(JSPropertyEnum) * names.Length);
if (props == null)
{
FreePropEnum(cx, names, props);
error = -1;
}
else
{
len = names.Length;
for (int i = 0; i < names.Length; i++)
{
*(*props + i) = names[i];
}
}
}
}
}
catch (OutOfMemoryException)
{
FreePropEnum(cx, names, props);
JS_ThrowOutOfMemory(cx);
error = -1;
}
catch (Exception ex)
{
FreePropEnum(cx, names, props);
Utils.ReportException(cx, ex);
error = -1;
}
return(error);
}
private static void FreePropEnum(JSContext ctx, JSPropertyEnum[] props, JSPropertyEnum **ptab)
{
if (*ptab != null)
{
IntPtr mem = new IntPtr(*ptab);
* ptab = null;
js_free(ctx, mem);
}
if (props == null)
{
return;
}
for (int i = 0; i < props.Length; i++)
{
JS_FreeAtom(ctx, props[i].atom);
}
}
