c447fe9bc0
3026: ra_syntax: reshape SyntaxError for the sake of removing redundancy r=matklad a=Veetaha Followup of #2911, also puts some crosses to the todo list of #223. **AHTUNG!** A big part of the diff of this PR are test data files changes. Simplified `SyntaxError` that was `SyntaxError { kind: { /* big enum */ }, location: Location }` to `SyntaxError(String, TextRange)`. I am not sure whether the tuple struct here is best fit, I am inclined to add names to the fields, because I already provide getters `SyntaxError::message()`, `SyntaxError::range()`. I also removed `Location` altogether ... This is currently WIP, because the following is not done: - [ ] ~~Add tests to `test_data` dir for unescape errors *// I don't know where to put these errors in particular, because they are out of the scope of the lexer and parser. However, I have an idea in mind that we move all validators we have right now to parsing stage, but this is up to discussion...*~~ **[UPD]** I came to a conclusion that tree validation logic, which unescape errors are a part of, should be rethought of, we currently have no tests and no place to put tests for tree validations. So I'd like to extract potential redesign (maybe move of tree validation to ra_parser) and adding tests for this into a separate task. Co-authored-by: Veetaha <gerzoh1@gmail.com> Co-authored-by: Veetaha <veetaha2@gmail.com> |
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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
Language Server Quick Start
rust-analyzer is a work-in-progress, so you might encounter critical bugs. That said, it is complete enough to provide a useful IDE experience and some people use it as a daily driver.
To build rust-analyzer, you need:
- latest stable Rust for the language server itself
- latest stable npm and VS Code for VS Code extension
To quickly install the rust-analyzer language server and VS Code extension with
standard setup (code and cargo in $PATH, etc), use this:
# clone the repo
$ git clone https://github.com/rust-analyzer/rust-analyzer && cd rust-analyzer
# install both the language server and VS Code extension
$ cargo xtask install
# alternatively, install only the server. Binary name is `rust-analyzer`.
$ cargo xtask install --server
For non-standard setup of VS Code and other editors, or if the language server cannot start, see ./docs/user.
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 ./docs/user 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
- API docs: https://rust-analyzer.github.io/rust-analyzer/ra_ide/
- Website: https://rust-analyzer.github.io/
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.