Nick Fitzgerald 3cdb6ef03a webidl: Turn the [Throws] extended attributes into Result<T, JsValue> ...

This sets the `catch` flag on the emitted AST when an operation/attribute has
the `[Throws]` extended attribute on it.

Additionally, constructors aren't annotated with `[Throws]` but can still throw
exceptions, so we must conservatively assume *every* constructor can throw an
error.

2018-07-11 11:07:03 -07:00

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webidl: Turn the [Throws] extended attributes into Result<T, JsValue>

2018-07-11 11:07:03 -07:00