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7863: Prevent renaming SelfType and BuiltinType r=Veykril a=Veykril
bors r+
Co-authored-by: Lukas Wirth <[email protected]>
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`Struct` cannot be named at all in that position, since `super` doesn't
resolve to the block scope
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7851: Compress tests r=matklad a=matklad
bors r+
🤖
Co-authored-by: Aleksey Kladov <[email protected]>
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7850: Don't add space when joining line to opening quote r=matklad a=matklad
bors r+
🤖
Co-authored-by: Aleksey Kladov <[email protected]>
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7795: Show docs on hover for keywords and primitives r=matklad a=Veykril
![lAWFadkziX](https://user-images.githubusercontent.com/3757771/109369534-eeb4f500-789c-11eb-8f2b-2f9c4e129de3.gif)
It's a bit annoying that this requires the `SyntaxNode` and `Semantics` to be pulled through `hover_for_definition` just so we can get the `std` crate but I couldn't think of a better way.
Co-authored-by: Lukas Wirth <[email protected]>
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7335: added region folding r=matklad a=LucianoBestia
Regions of code that you'd like to be folded can be wrapped with `// #region` and `// #endregion` line comments.
This is called "Region Folding". It is originally available for many languages in VSCode. But Rust-analyzer has its own folding function and this is missing.
With this Pull Request I am suggesting a simple solution.
The regions are a special kind of comments, so I added a bit of code in the comment folding function.
The regex to match are: `^\s*//\s*#?region\b` and `^\s*//\s*#?endregion\b`.
The number of space characters is not important. There is an optional # character. The line can end with a name of the region.
Example:
```rust
// 1. some normal comment
// region: test
// 2. some normal comment
calling_function(x,y);
// endregion: test
```
I added a test for this new functionality in `folding_ranges.rs`.
Please, take a look and comment.
I found that these exact regexes are already present in the file `language-configuration.json`, but I don't find a way to read this configuration. So my regex is hardcoded in the code.
7691: Suggest name in extract variable r=matklad a=cpud36
Generate better default name in extract variable assist as was mentioned in issue #1587
# Currently supported
(in order of declining precedence)
1. Expr is argument to a function; use corresponding parameter name
2. Expr is result of a function or method call; use this function/method's name
3. Use expr type name (if possible)
4. Fallback to `var_name` otherwise
# Showcase
![generate_derive_variable_name_from_method](https://user-images.githubusercontent.com/4218373/108013304-72105400-701c-11eb-9f13-eec52e74d0cc.gif)
![generate_derive_variable_name_from_param](https://user-images.githubusercontent.com/4218373/108013305-72a8ea80-701c-11eb-957e-2214f7f005de.gif)
# Questions
* Should we more aggressively strip known types? E.g. we already strip `&T -> T`; should we strip `Option<T> -> T`, `Result<T, E> -> T`, and others?
* Integers and floats use `var_name` by default. Should we introduce a name, like `i`, `f` etc?
* Can we return a list and suggest a name when renaming(like IntelliJ does)?
* Should we add counters to remove duplicate variables? E.g. `type`, `type1`, type2`, etc.
Co-authored-by: Luciano Bestia <[email protected]>
Co-authored-by: Luciano <[email protected]>
Co-authored-by: Vladyslav Katasonov <[email protected]>
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Co-authored-by: Lukas Wirth <[email protected]>
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7513: NFA parser for mbe matcher r=matklad a=edwin0cheng
Almost straight porting from rustc one, but a little bit slow :(
```
rust-analyzer analysis-stats -q .
```
From:
```log
Database loaded: 636.11ms, 277minstr
crates: 36, mods: 594, decls: 11527, fns: 9017
Item Collection: 10.99s, 60ginstr
exprs: 249618, ??ty: 2699 (1%), ?ty: 2101 (0%), !ty: 932
Inference: 28.94s, 123ginstr
Total: 39.93s, 184ginstr
```
To:
```log
Database loaded: 630.90ms, 277minstr
crates: 36, mods: 594, decls: 11528, fns: 9018
Item Collection: 13.70s, 77ginstr
exprs: 249482, ??ty: 2699 (1%), ?ty: 2101 (0%), !ty: 932
Inference: 30.27s, 133ginstr
Total: 43.97s, 211ginstr
```
Fixes #4777
Co-authored-by: Edwin Cheng <[email protected]>
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7848: Bump cargo_metadata r=matklad a=lnicola
Co-authored-by: Laurențiu Nicola <[email protected]>
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7777: Implement line<->block comment assist r=Veykril a=djrenren
Fixes: https://github.com/rust-analyzer/rust-analyzer/issues/6515
Co-authored-by: John Renner <[email protected]>
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7844: Fix ProcMacroClient dropped too early in cli r=edwin0cheng a=edwin0cheng
Fix #7843
bors r+
Co-authored-by: Edwin Cheng <[email protected]>
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7827: Fix proc macro TokenStream::from_str token ids r=vlad20012 a=vlad20012
To be honest, I don't know what it changes from a user perspective.
Internally, this fixes spans (token ids) of a `TokenStream` parsed from a string:
```rust
#[proc_macro_derive(FooDerive)]
pub fn foo_derive(item: TokenStream) -> TokenStream {
"fn foo() {}".parse().unwrap()
}
```
Previously, `TokenStream` was constructed from tokens with incremental ids (that conflicted with call-site tokens). Now they are `-1`.
Co-authored-by: vlad20012 <[email protected]>
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7829: Bump deps r=matklad a=lnicola
Unfortunately, this brings a bunch of proc macros dep because `cargo-metadata` went full-in on `derive-builder`. I'm not sure what we can do here..
7833: Use chalk_ir::Mutability r=Veykril a=Veykril
Co-authored-by: Laurențiu Nicola <[email protected]>
Co-authored-by: Lukas Wirth <[email protected]>
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7778: Fix lowering trailing self paths in UseTrees r=Veykril a=Veykril
Noticed that hovering over `self` in a use tree like `use foo::bar::{self}` showing documentation and such for the current module instead of `bar`.
Co-authored-by: Lukas Wirth <[email protected]>
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7823: Being Ty::InferenceVar closer to chalk equivalent r=flodiebold a=Veykril
Co-authored-by: Lukas Wirth <[email protected]>
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