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3816: vscode: add goto ast node definition from rust source code r=Veetaha a=Veetaha
By holding the `Ctrl` key you can now goto-definition of the appropriate syntax token in the syntax tree read-only editor. But actually going to the definition is not very convenient, since it opens the new editor, you'd rather just hold the `Ctrl` and look at the syntax tree because it is automatically scrolled to the proper node and the node itself is enclosed with text selection.
Unfortunately, the algorithm is very simple (because we don't do any elaborate parsing of the syntax tree text received from the server), but it is enough to debug not very large source files.
I tested the performance and in a bad case (rust source file with 5K lines of code) it takes `1.3` seconds to build the `rust -> ast` mapping index (lazily once on the first goto definition request) and each lookup in this worst-case is approx `20-120` ms. I think this is good enough. In the simple case where the file is < 100 lines of code, it is instant.
One peculiarity that I've noticed is that vscode doesn't trigger the goto-definition provider when the user triggers it on some punctuation characters (i.e. it doesn't underline them and invoke te goto-definition provider), but if you explicitly click `Ctrl+LMB` it will only then invoke the provider and navigate to the definition in a new editor. I think this is fine ;D
![rust2ast](https://user-images.githubusercontent.com/36276403/78198718-24d1d500-7492-11ea-91f6-2687cedf26ee.gif)
Related: #3682
Co-authored-by: veetaha <[email protected]>
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3820: Remove old syntax highlighting r=matklad a=matklad
bors r+
🤖
Co-authored-by: Aleksey Kladov <[email protected]>
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3819: Unique package by name and version. r=matklad a=o0Ignition0o
This commit is a fixup of #3781 I introduced a bug by using a PackageId to refer to a crate when its name conflicts with a dependency.
It turns out the package id currently is `name version path` while cargo expects `name:version` as argument eg:
Cargo command with a `PackageId`:
```
> Executing task: cargo test --package 'config 0.1.0 (path+file:///Users/ignition/Projects/oss/config)' --test default -- test_with_name --exact --nocapture <
```
Cargo command with `name:version`:
```
> Executing task: cargo test --package 'config:0.1.0' --test default -- test_with_name --exact --nocapture <
```
Co-authored-by: o0Ignition0o <[email protected]>
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This commit is a fixup of a bug I introduced by using a PackageId to refer to a crate when its name conflicts with a dependency.
It turns out the package id currently is `name version path` while cargo expects `name:version` as argument.
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3817: vscode: highlight syntax tree ro editor r=matklad a=Veetaha
Small textmate grammar declaration to make rust-analyzer syntax tree more easily inspectable:
Btw, if we change the file extension of our `ra_syntax/test_data/**` files to `.rast` they should be highlighted in vscode too.
The colors of the tokens are actually going to be color-theme dependent, or you can customize them via:
```jsonc
{
"editor.tokenColorCustomizations": {
"textMateRules": [ { "scope": "name", "settings": { /* */ } } ]
}
}
```
![image](https://user-images.githubusercontent.com/36276403/78204947-99f9d600-74a3-11ea-8315-cb1c87810c7c.png)
Related: #3682
Co-authored-by: veetaha <[email protected]>
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3815: vscode: add support for light themes in "Show Syntax Tree" command r=matklad a=Veetaha
Fixes: #3810
Co-authored-by: veetaha <[email protected]>
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highlights
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3812: rollup 2.3.2 r=kjeremy a=kjeremy
Co-authored-by: kjeremy <[email protected]>
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3806: lower bool literal value r=flodiebold a=JoshMcguigan
Following up on #3805, this PR adds the literal value to `ast::LiteralKind` so when we lower we can use the actual value from the source code rather than the default value for the type. Ultimately I plan to use this for exhaustiveness checking in #3706.
I didn't include this in the previous PR because I wasn't sure if it made sense to add this information to `ast::LiteralKind` or provide some other mechanism to get this from `ast::Literal`.
For now I've only implemented this for boolean literals, but I think it could be easily extended to other types. A possible exception to this are string literals, since we may not want to clone around an owned string to hold onto in `ast::LiteralKind`, and it'd be nice to avoid adding a generic lifetime as well. Perhaps we won't ever care about the actual value of a string literal?
Co-authored-by: Josh Mcguigan <[email protected]>
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value
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3809: Less config r=matklad a=matklad
Co-authored-by: Aleksey Kladov <[email protected]>
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3808: filetime and proc-macro-hack r=kjeremy a=kjeremy
Co-authored-by: kjeremy <[email protected]>
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3807: Generalize rustfmt config r=matklad a=matklad
bors r+
🤖
Co-authored-by: Aleksey Kladov <[email protected]>
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3797: Don't show chaining hints for record literals and unit structs r=matklad a=lnicola
Fixes #3796
r? @Veetaha
Co-authored-by: Laurențiu Nicola <[email protected]>
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3805: lower literal patterns r=JoshMcguigan a=JoshMcguigan
While working on #3706 I discovered literal patterns weren't being lowered. This PR implements that lowering.
Questions for reviewers:
1. This re-uses the existing conversion from `ast::LiteralKind` to `Literal`, but `ast::LiteralKind` doesn't include information about the actual value of the literal, which causes `Literal` to be created with the default value for the type (rather than the actual value in the source code). Am I correct in thinking that we'd eventually want to change things in such a way that we could initialize the `Literal` with the actual literal value? Is there an existing issue for this, or else perhaps I should create one to discuss how it should be implemented? My main question would be whether `ast::LiteralKind` should be extended to hold the actual value, or if we should provide some other way to get that information from `ast::Literal`?
2. I couldn't find tests which directly cover this, but it does seem to work in #3706. Do we have unit tests for this lowering code?
3. I'm not sure why `lit.literal()` returns an `Option`. Is returning a `Pat::Missing` in the `None` case the right thing to do?
4. I was basically practicing type-system driven development to figure out the transformation from `ast::Pat::LiteralPat` to `Pat::Lit`. I don't have an immediate question here, but I just wanted to ensure this section is looked at closely during review.
Co-authored-by: Josh Mcguigan <[email protected]>
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3804: Generalize flycheck to arbitrary commands r=matklad a=matklad
bors r+
🤖
Co-authored-by: Aleksey Kladov <[email protected]>
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3779: Complete only missing fields in pats r=matklad a=SomeoneToIgnore
A follow-up for https://github.com/rust-analyzer/rust-analyzer/pull/3694
Same name vs string [issue](https://github.com/rust-analyzer/rust-analyzer/pull/3694#discussion_r396986819) persists here, now I'm able to obtain `ast::Name`, but I see no way to convert it into `hir::Name` or vice versa.
Co-authored-by: Kirill Bulatov <[email protected]>
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3803: Cleanup r=matklad a=matklad
bors r+
🤖
Co-authored-by: Aleksey Kladov <[email protected]>
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3765: Adds sort for RecordLit comparison in SSR r=edwin0cheng a=mikhail-m1
an item from #3186
Co-authored-by: Mikhail Modin <[email protected]>
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