rust-lang / rust-lang/rust-analyzer
Multiple simultaneous target triples
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- Rust
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Description
I have a project that compiles to both wasm32-unknown-unknown and the host triple, with heavy use of
#[cfg(target_arch = "wasm32")]
and
#[cfg(not(target_arch = "wasm32"))]
Right now, I can select one or the other target triple with rust-analyzer.cargo.target, but I miss errors and warnings from the other, and half of the code is dimmed out.
It would be cool to be able to show a combined view of errors and warnings from both triples at the same time, and no code would need to be dimmed.
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by tracing how rust-analyzer reads rust-analyzer.cargo.target and applies target_arch cfg evaluation, then inspect how diagnostics and dimmed code are produced. Done means errors and warnings from both wasm32-unknown-unknown and the host triple appear together without dimming either configuration.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- rust
- Domain
- developer-experience
- Issue type
- Feature
- Difficulty
- 5/5
- Estimated time
- Over a week
- Activity status
- Quiet
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100