try_catch #543
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try_catch #543
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…till left to do: - hide the public API (and tests) behind a feature flag - add tests for nested `TryCatch` instances on the stack - add panic handler and tests to ensure panics get caught by try_catch
kjvalencik
reviewed
Jul 8, 2020
kjvalencik
reviewed
Jul 9, 2020
- Implement panic propagation - Add tests for panic and regular return value
… for the dynamic tests.
kjvalencik
reviewed
Jul 13, 2020
…ic `try_catch` API.
kjvalencik
approved these changes
Jul 14, 2020
kjvalencik
reviewed
Jul 14, 2020
| @@ -226,6 +226,22 @@ pub trait Context<'a>: ContextInternal<'a> { | |||
| result | |||
| } | |||
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| #[cfg(all(feature = "try-catch-api", feature = "napi-runtime"))] | |||
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Note: For the final documented version, it would be beneficial to include the behavior that this method will panic if a user manually constructs an Err(Throw).
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Yeah, when we un-feature-gate it, it'll need API docs. In the meantime I'll make sure that gets added to the RFC.
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I'll try to add an Exceptions section to the guides docs soon
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This PR implements the
cx.try_catchAPI of RFC 29. I had to make a few changes to the signature oftry_catchto make the types work out; I'll update the RFC to match.Still left to do:
TryCatchinstances on the stackMaybeUninitinstead ofmem::zeroed()Boxand the "unlikely" branchundefinedon unexpectedErr(Throw)T: Valueinstead ofJsValue