diff options
| -rw-r--r-- | dw/iterator.cc | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/dw/iterator.cc b/dw/iterator.cc index 602dfec4..b5b9b292 100644 --- a/dw/iterator.cc +++ b/dw/iterator.cc @@ -607,6 +607,23 @@ int DeepIterator::compareTo (object::Comparable *other) // Search the highest level, where the widgets are the same. int level = 0; + // The Comparable interface does not define "uncomparable". Deep + // iterators are only comparable if they belong to the same widget + // tree, so have the same widget at the bottom at the + // stack. If this is not the case, we abort. + + assert (stack.size() > 0); + assert (otherDeepIterator->stack.size() > 0); + + //printf ("Equal? The %s %p and the %s %p?\n", + // stack.get(0)->getWidget()->getClassName(), + // stack.get(0)->getWidget(), + // otherDeepIterator->stack.get(0)->getWidget()->getClassName(), + // otherDeepIterator->stack.get(0)->getWidget()); + + assert (stack.get(0)->getWidget() + == otherDeepIterator->stack.get(level)->getWidget()); + while (stack.get(level)->getWidget () == otherDeepIterator->stack.get(level)->getWidget ()) { if (level == stack.size() - 1 || |