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| author | Matthias Krüger <matthias.krueger@famsik.de> | 2024-06-14 12:23:35 +0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2024-06-14 12:23:35 +0200 |
| commit | 20ca54b6a6bb735ddd0eb0ee8aa70d455e35ba18 (patch) | |
| tree | 0c6dbbb13b95185a4d9e5986d97c029d4de2c311 /compiler/rustc_codegen_gcc/src/errors.rs | |
| parent | d2ad293851dc8e14a61355d0358490b77efae8cb (diff) | |
| parent | 7ddc89e893ebb6c60af4fe92c439c4a60c9118dd (diff) | |
| download | rust-20ca54b6a6bb735ddd0eb0ee8aa70d455e35ba18.tar.gz rust-20ca54b6a6bb735ddd0eb0ee8aa70d455e35ba18.zip | |
Rollup merge of #123769 - dtolnay:literal, r=fee1-dead
Improve escaping of byte, byte str, and c str proc-macro literals This PR changes the behavior of `proc_macro::Literal::byte_character` (https://github.com/rust-lang/rust/issues/115268), `byte_string`, and `c_string` (https://github.com/rust-lang/rust/issues/119750) to improve their choice of escape sequences. 3 categories of changes are made: 1. Never use `\x00`. Always prefer `\0`, which is supported in all the same places. 2. Never escape `\'` inside double quotes and `\"` inside single quotes. 3. Never use `\x` for valid UTF-8 in literals that permit `\u`. The second commit adds tests covering these cases, asserting the **old** behavior. The third commit implements the behavior change and simultaneously updates the tests to assert the **new** behavior.
Diffstat (limited to 'compiler/rustc_codegen_gcc/src/errors.rs')
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