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Merge #3564 
3564: Better handling of a few kinds of cargo/clippy diagnostics r=matklad a=kiljacken

This was initially supposed to just be a fix for #3433, but I caught a few things that ended up being useful as well.

This PR primarily makes us handle multi-edit fix suggestions properly. Instead of just applying the first fix we apply all the parts of the fix in a single action.

Second up, this PR handles diagnostics with multiple primary spans, f.x. the unused import diagnostic from rustc:
![image](https://user-images.githubusercontent.com/209321/76531793-03269480-6476-11ea-9180-41c0ea705553.png)

The LSP doesn't handle this too well, as it only support a single complete range for each diagnostic, so we get duplicate messages in the problem panel of VSCode:
![image](https://user-images.githubusercontent.com/209321/76531901-29e4cb00-6476-11ea-9746-cd57f8974b85.png)

However, I feel like the improved visual aspect in-editor outweighs the duplication in the problem panel. I'm open to not including the second commit if anybody really doesn't like the idea of duplicate diagnostics in the problem pane.

Fixes #3433
Fixes #3257

Co-authored-by: Emil Lauridsen <mine809@gmail.com>
2020-03-12 14:46:42 +00:00
.cargo Alternative quite tests alias 2019-11-20 22:22:32 +03:00
.github Set extension version during release 2020-03-09 14:24:00 +01:00
.vscode Rename the binary to rust-analyzer 2020-02-18 12:33:16 +01:00
crates Merge #3564 2020-03-12 14:46:42 +00:00
docs Fix quotes 2020-03-09 12:31:23 +01:00
editors/code Merge #3549 2020-03-11 10:51:07 +00:00
xtask Merge pull request #3562 from FireofGods/display_for_node 2020-03-12 15:40:53 +01:00
.gitattributes Set text to autodetect and use LF 2019-11-14 19:44:37 -05:00
.gitignore cargo xtask dist 2020-03-04 18:18:20 +01:00
bors.toml Gate CI on windows build 2020-01-26 14:15:57 +01:00
Cargo.lock ⬆️ fst 2020-03-10 15:03:32 +01:00
Cargo.toml Extend analysis-stats a bit 2020-02-15 18:04:01 +01:00
LICENSE-APACHE Licenses 2018-01-10 22:47:04 +03:00
LICENSE-MIT Licenses 2018-01-10 22:47:04 +03:00
README.md Link proper docs from readme 2020-03-05 17:26:47 +01:00
rustfmt.toml Remove forcing \n via rustfmt 2019-11-02 22:19:59 +03:00

README.md

rust-analyzer logo

rust-analyzer is an experimental modular compiler frontend for the Rust language. It is a part of a larger rls-2.0 effort to create excellent IDE support for Rust. If you want to get involved, check the rls-2.0 working group:

https://rust-lang.zulipchat.com/#narrow/stream/185405-t-compiler.2Fwg-rls-2.2E0

Work on rust-analyzer is sponsored by

Ferrous Systems

Quick Start

https://rust-analyzer.github.io/manual.html#installation

Documentation

If you want to contribute to rust-analyzer or are just curious about how things work under the hood, check the ./docs/dev folder.

If you want to use rust-analyzer's language server with your editor of choice, check the manual folder. It also contains some tips & tricks to help you be more productive when using rust-analyzer.

Getting in touch

We are on the rust-lang Zulip!

https://rust-lang.zulipchat.com/#narrow/stream/185405-t-compiler.2Frls-2.2E0

Quick Links

License

Rust analyzer is primarily distributed under the terms of both the MIT license and the Apache License (Version 2.0).

See LICENSE-APACHE and LICENSE-MIT for details.