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A Rust compiler front-end for IDEs
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bors 202359d258 Auto merge of #17350 - Wilfred:mark_missing_file_unused, r=Veykril 
fix: Highlight unlinked files consistently with inactive files

Currently, rust-analyzer highlights the entire region when a `cfg` is inactive (e.g. `#[cfg(windows)]` on a Linux machine). However, unlinked files only highlight the first three characters of the file.

This was introduced in #8444, but users have repeatedly found themselves with no rust-analyzer support for a file and unsure why (see e.g. #13226 and the intentionally prominent pop-up added in PR #14366).

(Anecdotally, we see this issue bite our users regularly, particularly people new to Rust.)

Instead, highlight the entire inactive file, but mark it as all as unused. This allows users to hover and run the quickfix from any line.

Whilst this is marginally more prominent, it's less invasive than a pop-up, and users do want to know why they're getting no rust-analyzer support in certain files.

Before (note the subtle grey underline is only at the beginning of the first line):

![Screenshot 2024-06-05 at 5 41 17 PM](96f5d778-612e-4838-876d-35d9647fe2aa)

After (user can hover and fix from any line):

![Screenshot 2024-06-05 at 5 42 13 PM](6af90b79-018c-42b9-b3c5-f497de2ccbff)
2024-06-06 07:49:58 +00:00
.cargo internal: Move ide-assists codegen tests into an xtask codegen command 2024-02-28 16:54:44 +01:00
.github Use actions/cache again in metrics CI 2024-05-15 15:25:58 +02:00
.vscode Spelling 2023-04-19 09:45:55 -04:00
assets Automatically change text color in logo based on dark mode 2022-03-06 23:06:53 +11:00
bench_data Spelling 2023-04-19 09:45:55 -04:00
crates fix: Highlight unlinked files consistently with inactive files 2024-06-05 17:44:07 -07:00
docs Update docs 2024-05-24 03:53:36 +08:00
editors/code Removed return 2024-05-25 22:42:39 +02:00
lib style: simplify string interpolation 2024-05-30 16:18:49 -07:00
xtask style: simplify string interpolation 2024-05-30 16:18:49 -07:00
.editorconfig add max_line_length to .editorconfig 2024-01-20 17:14:00 +03:00
.git-blame-ignore-revs Show workspace info in the status bar 2024-04-26 11:28:33 +02:00
.gitattributes Fix .gitattributes for test_data 2022-07-24 14:05:35 +02:00
.gitignore internal: add "Shuffle Crate Graph" command 2021-12-07 16:37:19 +01:00
.typos.toml remove ignore-hidden = false 2024-03-05 20:16:32 +08:00
Cargo.lock chore: Update Cargo.lock to avoid yanked version 2024-06-05 17:36:36 -07:00
Cargo.toml minor: replace command-group with process-wrap 2024-05-31 12:43:40 +08:00
clippy.toml Lint debug prints and disallowed types with clippy 2024-02-01 17:57:27 +01:00
CONTRIBUTING.md Add CONTRIBUTING.md 2024-04-18 10:24:40 +02:00
LICENSE-APACHE Licenses 2018-01-10 22:47:04 +03:00
LICENSE-MIT Licenses 2018-01-10 22:47:04 +03:00
PRIVACY.md Update privacy note 2021-12-23 14:04:15 +02:00
README.md Add CONTRIBUTING.md 2024-04-18 10:24:40 +02:00
rust-bors.toml Prepare for rust-bors 2023-10-05 15:26:09 +03:00
rust-version Preparing for merge from rust-lang/rust 2024-05-19 11:20:20 +03:00
rustfmt.toml Shuffle hir-expand things around 2024-01-26 19:28:39 +01:00
triagebot.toml triagebot exclude_labels -> exclude_titles 2023-09-16 10:58:53 -06:00

README.md

rust-analyzer logo

rust-analyzer is a 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.

Quick Start

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

Documentation

If you want to contribute to rust-analyzer check out the CONTRIBUTING.md or if you 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.

Security and Privacy

See the corresponding sections of the manual.

Communication

For usage and troubleshooting requests, please use "IDEs and Editors" category of the Rust forum:

https://users.rust-lang.org/c/ide/14

For questions about development and implementation, join rust-analyzer working group on Zulip:

https://rust-lang.zulipchat.com/#narrow/stream/185405-t-compiler.2Frust-analyzer

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.