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mirror of https://github.com/helix-editor/helix synced 2026-01-26 05:38:09 +01:00
helix/runtime/queries/rust-format-args-macro/indents.scm
Michael Davis 86f10ae24c
Add a language to fix Rust highlights in format-args macros
This is a bit hacky. Injections cannot stack on each other like
highlights because layers can have their own injections. So this new
language `rust-format-args-macro` emulates that. It unconditionally
injects `rust-format-args` into all strings. Rust injects this new
language into known format-args macros like `println!`.

The downside is that this can cause false-positive highlights within
these macros for strings which happen to contain format-args syntax

    println!("Hello, {}!", "{}");
    //               ^ format args syntax
    //                      ^ not format args syntax, but highlighted
    //                        as if it were :(

This false-positive case is expected to be rare.

Injecting this fake language fixes regular non-string highlights in
macro invocations: macro invocations need to inject the entire token
tree and use `injection.include-children` for proper highlighting.
2025-07-13 12:01:18 -04:00

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Scheme

; inherits: rust