[Merged by Bors] - Refactor some class features #2513
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Test262 conformance changes
Fixed tests (265): |
raskad
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nekevss,
jedel1043,
HalidOdat,
jasonwilliams,
RageKnify and
Razican
Codecov Report
@@ Coverage Diff @@
## main #2513 +/- ##
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+ Coverage 50.38% 50.98% +0.59%
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Files 377 373 -4
Lines 36917 36812 -105
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+ Hits 18600 18767 +167
+ Misses 18317 18045 -272
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jedel1043
requested changes
Jan 12, 2023
boa_engine/src/object/mod.rs
Outdated
| @@ -1773,58 +1772,119 @@ impl Object { | |||
| self.properties.remove(key) | |||
| } | |||
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| /// Check if a private name exists. | |||
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I'm seeing this resembles the PrivateElementFind operation and friends. Could this be moved to boa_engine/src/object/operations.rs and adapted to somewhat resemble the spec operations? Probably also initialize_instance_elements.
I say this because there's a host hook HostEnsureCanAddPrivateElement that needs to be called on the PrivateFieldAdd and PrivateMethodOrAccessorAdd operations to restrict the addition of new private fields for an object.
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Good call. I've refactored those methods and they are mostly equivalent to the spec now.
| description: Sym, | ||
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| /// The indices of the private name are included to ensure that private names are unique. | ||
| pub(crate) indices: (usize, usize), |
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I was reading the spec about private names and it specifies that PrivateNames should be globally unique, but indices are only unique in the context of a single Context, right? I was thinking that the global uniqueness property is probably to restrict the access of private names from objects that share the same indices but don't belong to the same Context, but to me it seems like this doesn't prevent that? I ask this because I don't know if you've already considered that.
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There is still some uniqueness missing with this implementation. We indeed have to add some runtime unique identifier to separate PrivateName of multiple objects that are created from the same class. I think this will probably be some kind of Context wide index. As far as different Contexts go, I think that would need some further work as our Context is currently also a Realm. If we have figured out how we can separate those, the Context should be the outermost api to the engine and imo should the the uniqueness-border.
I left the runtime uniqueness out of the PR to limit the scope somewhat.
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It's okay! Can you add a TODO describing this then? It would be good to track this for when we implement proper Realms.
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jedel1043
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This Pull Request fixes various bugs related to classes. The biggest changes are: - Changed private names to be unique across multiple classes. - Changed private name resolution to work via a visitor after a class is parsed. The way class early errors are defined makes it impossible to perform private name resolution while parsing. - Added function names to class methods. - Added class name binding to method function environments. - Separated opcodes for `static` and non-`static` class method definitions to make the above operations possible. There are still some bugs and further issues with classes but this is already a lot.
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This Pull Request fixes various bugs related to classes.
The biggest changes are:
staticand non-staticclass method definitions to make the above operations possible.There are still some bugs and further issues with classes but this is already a lot.