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Signed-off-by: Benjamin Coenen <[email protected]>
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Signed-off-by: Benjamin Coenen <[email protected]>
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5976: Complete trait impl immediately after type/const/fn r=jonas-schievink a=oxalica
Currently, we can complete type/const/fn but only if we typed an identifier.
That is, `impl .. { fn f<|> }` has completions with all trait fn including `f`, but `impl .. { fn <|> }` doesn't provide any suggestion (even if explicit trigger it).
This PR tweak the logic of completion match to make it possible.
However, we still need to explicit trigger suggestions (`Control + Space` by default) in vscode to show. Not sure if we can make it automatically triggered after typing the space after `fn`.
Another question is that I cannot figure out why `BLOCK_EXPR` need to be checked. A block expr directly inside a impl block should be invalid, and nested items will failed to locate impl block in specific offset and skip the suggestion. Now I simply removed it and no tests are broken.
https://github.com/rust-analyzer/rust-analyzer/blob/4f91478e50dc5c2a87235e9be8bd91e3f62de4b4/crates/ide/src/completion/complete_trait_impl.rs#L109
Co-authored-by: oxalica <[email protected]>
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5985: Make MergeBehaviour configurable r=jonas-schievink a=Veykril
This should make the newly implemented `MergeBehaviour` for import insertion configurable as roughly outlined in https://github.com/rust-analyzer/rust-analyzer/pull/5935#issuecomment-685834257. For the config name and the like I just picked what came to mind so that might be up for bikeshedding.
Co-authored-by: Lukas Wirth <[email protected]>
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5971: Implement async blocks r=flodiebold a=oxalica
Fix #4018
@flodiebold already gave a generic guide in the issue. Here's some concern about implementation detail:
- Chalk doesn't support generator type yet.
- Adding generator type as a brand new type (ctor) can be complex and need to *re-introduced* builtin impls. (Like how we implement closures before native closure support of chalk, which is already removed in #5401 )
- The output type of async block should be known after type inference of the whole body.
- We cannot directly get the type from source like return-positon-impl-trait. But we still need to provide trait bounds when chalk asking for `opaque_ty_data`.
- During the inference, the output type of async block can be temporary unknown and participate the later inference.
`let a = async { None }; let _: i32 = a.await.unwrap();`
So in this PR, the type of async blocks is inferred as an opaque type parameterized by the `Future::Output` type it should be, like what we do with closure type.
And it really works now.
Well, I still have some questions:
- The bounds `AsyncBlockImplType<T>: Future<Output = T>` is currently generated in `opaque_ty_data`. I'm not sure if we should put this code here.
- Type of async block is now rendered as `impl Future<Output = OutputType>`. Do we need to special display to hint that it's a async block? Note that closure type has its special format, instead of `impl Fn(..) -> ..` or function type.
Co-authored-by: oxalica <[email protected]>
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5955: Remove merge import code duplication r=jonas-schievink a=Veykril
This removes the code duplication caused by #5935, this also allows the assist to merge imports that have equal visibility and prevents merges of unequal visibility. This PR also fixes an iteration mistake in the mentioned PR:
Turns out I made a mistake when writing the `segment_iter` function, I was assuming that the `children` of a path will just be the segments, which is obviously not the case. This also brings insertion order of shorter paths in line with how `rustfmt` orders them.
Co-authored-by: Lukas Wirth <[email protected]>
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5951: Rename record_field_pat to record_pat_field r=jonas-schievink a=pksunkara
The token was renamed but not this.
5975: Report better errors in project.json/sysroot r=jonas-schievink a=jonas-schievink
This does a bunch of light refactoring so that the `Sysroot` is loaded later, which makes sure that any errors are reported to the user. I then added a check that reports an error if libcore is missing in the loaded sysroot. Since a sysroot without libcore is very useless, this indicates a configuration error.
Co-authored-by: Pavan Kumar Sunkara <[email protected]>
Co-authored-by: Jonas Schievink <[email protected]>
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5970: Use better heuristics for replacement text when removing dbg! r=jonas-schievink a=SomeoneToIgnore
Closes https://github.com/rust-analyzer/rust-analyzer/issues/5911
Co-authored-by: Kirill Bulatov <[email protected]>
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5969: Propose module name completion options r=jonas-schievink a=SomeoneToIgnore
<img width="539" alt="image" src="https://user-images.githubusercontent.com/2690773/92663009-cb0aec00-f308-11ea-9ef5-1faa91518031.png">
Currently traverses the whole file set every time we try to complete the module, as discussed in https://rust-lang.zulipchat.com/#narrow/stream/185405-t-compiler.2Fwg-rls-2.2E0/topic/mod.3C.7C.3E.20completion
Co-authored-by: Kirill Bulatov <[email protected]>
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