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Introduce [Abstract] to mark non-leaf interfaces

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Some interfaces like Node, CharacterData and HTMLTableCellElement are never
instantiated directly, only their descendant interfaces are. Those are marked
with [Abstract] to set their type_id to None instead of having dummy values
in the TypeId enums.
This commit is contained in:
Anthony Ramine 2015-09-11 23:55:20 +02:00
parent 941f7dc04b
commit c25085f68a
21 changed files with 26 additions and 48 deletions
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3
components/layout/construct.rs
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@ -1430,8 +1430,6 @@ impl<'a> PostorderNodeMutTraversal for FlowConstructor<'a> {
Some(NodeTypeId::Document) => {
(display::T::none, float::T::none, position::T::static_)
}
Some(NodeTypeId::Node) => unreachable!(),
Some(NodeTypeId::CharacterData(CharacterDataTypeId::CharacterData)) => unreachable!(),
};
debug!("building flow for node: {:?} {:?} {:?} {:?}", display, float, positioning, node.type_id());
@ -1587,7 +1585,6 @@ impl<'ln> NodeUtils for ThreadSafeLayoutNode<'ln> {
Some(NodeTypeId::Element(ElementTypeId::HTMLElement(
HTMLElementTypeId::HTMLObjectElement))) => self.has_object_data(),
Some(NodeTypeId::Element(_)) => false,
Some(NodeTypeId::Node) => unreachable!(),
}
}