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ladybird/Meta/Lagom/Tools/CodeGenerators/LibWeb
Luke Wilde d30ec4d790 LibWeb: Add [CustomVisit] IDL interface extended attribute
This custom attribute will be used for objects that hold onto arbitrary
JS::Value's. This is needed as JS::Handle can only be constructed for
objects that implement JS::Cell, which JS::Value doesn't.

This works by overriding the `visit_edges` function in the wrapper.
This overridden function calls the base `visit_edges` and then forwards
it to the underlying implementation.

This will be used for CustomEvent, which must hold onto an arbitrary
JS::Value for it's entire lifespan.
2021-09-27 18:45:45 +02:00
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