| Commit message (Collapse) | Author | Age | Files | Lines |
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1286: Add infer for generic default type r=flodiebold a=edwin0cheng
This PR add infer support for generic default type:
```
struct Gen<T=u32> {
val: T
}
```
* add the (unresolved) defaults from the definition to GenericParams
* add a query generic_defaults that resolves those defaults to types and returns a Substs
* add the missing type in `substs_from_path_segment`
* add tests
based on the idea in this [comment](https://github.com/rust-analyzer/rust-analyzer/issues/1099#issuecomment-484206279)
Co-authored-by: Edwin Cheng <[email protected]>
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Unfortunately, that `: RefUnwindSafe` bound gives rustc a hard time,
so let's remove it for know.
See
* https://github.com/rust-analyzer/rust-analyzer/issues/1283
* https://github.com/rust-lang/rust/pull/60444
* https://github.com/rust-lang/rust/issues/58291
closes #1283
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1272: Error out non single root token tree conversion r=matklad a=edwin0cheng
This PR add a check to prevent non single root token tree conversion between token trees and syntax tree.
It should prevent the assert produced in #1267.
Co-authored-by: Edwin Cheng <[email protected]>
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1271: make AstId untyped r=matklad a=matklad
Co-authored-by: Aleksey Kladov <[email protected]>
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Reducing it to 2 was just a failed attempt to see whether that would help fix
some slow cases; in fact, it can create new slow cases by replacing concrete
types by variables.
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1257: Implemented tkn! macro for syntax kinds r=matklad a=pasa
Implementation of #1248
Co-authored-by: Sergey Parilin <[email protected]>
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For Send/Sync/Sized, we don't handle auto traits correctly yet and because they
have a lot of impls, they can easily lead to slowdowns. In the case of
Fn/FnMut/FnOnce, we don't parse the special Fn notation correctly yet and don't
handle closures yet, so we are very unlikely to find an impl.
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1265: drop obsolete render test subcommand r=matklad a=matklad
Co-authored-by: Aleksey Kladov <[email protected]>
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E.g. impl<T: Clone> Foo for T.
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We don't pass field types to Chalk yet though, so the auto trait inference won't
be correct.
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This is slightly hacky, but maybe more elegant than alternative solutions: We
just use a hardcoded Chalk trait ID which we special-case to have no impls.
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1251: Chalk integration improvements r=matklad a=flodiebold
A few improvements that came up while working on where clause support:
- turn `implements` into a query again to improve performance
- allow skipping to a specific function with `analysis-stats`, e.g. `ra_cli analysis-stats --only world_symbols`
- deduplicate impls in impls_for_trait -- previously many impls e.g. from std where repeated many times, this should help performance as well...
- add a `HirDisplay` implementation for TraitRef (not used here anywhere, but useful for debugging)
Co-authored-by: Florian Diebold <[email protected]>
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This was duplicating impls in dependencies a lot...
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This can be useful for debugging.
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1208: [WIP] Goto for Macro's r=matklad a=Lapz
Adds goto definition for macros. Currently only works for macros in the current crate ~~otherwise it panics~~. Proper macro resolution needs to be added for it to resolve macros in other crates.
Todo
- [X] Allow goto from macro calls
- [X] Fix panics
- [x] Add tests
![Screen Recording 2019-04-25 at 18 00 24](https://user-images.githubusercontent.com/19998186/56754499-1dd01c00-6785-11e9-9e9a-1e36de70cfa3.gif)
Co-authored-by: Lenard Pratt <[email protected]>
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1216: Basic Chalk integration r=matklad a=flodiebold
This replaces the ad-hoc `implements` check by Chalk. It doesn't yet any new functionality (e.g. where clauses aren't passed to Chalk yet). The tests that exist actually work, but it needs some refactoring, currently crashes when running analysis on the RA repo, and depends on rust-lang/chalk#216 which isn't merged yet :smile:
The main work here is converting stuff back and forth and providing Chalk with the information it needs, and the canonicalization logic. Since canonicalization depends a lot on the inference table, I don't think we can currently reuse the logic from Chalk, so we need to implement it ourselves; it's not actually that complicated anyway ;) I realized that we need a `Ty::Bound` variant separate from `Ty::Param` -- these are two different things, and I think type parameters inside a function actually need to be represented in Chalk as `Placeholder` types.
~~Currently this crashes in the 'real' world because we don't yet do canonicalization when filtering method candidates. Proper canonicalization needs the inference table (to collapse different inference variables that have already been unified), but we need to be able to call the method candidate selection from the completion code... So I'm currently thinking how to best handle that :smile:~~
Co-authored-by: Florian Diebold <[email protected]>
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This is necessary because Chalk (reasonably) expects each 'struct' to know how
many type parameters it takes.
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