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fix: escape keywords used as names in earlier editions
| -rw-r--r-- | crates/hir-expand/src/name.rs | 10 | ||||
| -rw-r--r-- | crates/ide-db/src/search.rs | 4 |
2 files changed, 11 insertions, 3 deletions
diff --git a/crates/hir-expand/src/name.rs b/crates/hir-expand/src/name.rs index 87c663eec8..a1bb353374 100644 --- a/crates/hir-expand/src/name.rs +++ b/crates/hir-expand/src/name.rs @@ -90,10 +90,16 @@ impl Name { /// Resolve a name from the text of token. fn resolve(raw_text: &str) -> Name { - // When `raw_text` starts with "r#" but the name does not coincide with any - // keyword, we never need the prefix so we strip it. match raw_text.strip_prefix("r#") { + // When `raw_text` starts with "r#" but the name does not coincide with any + // keyword, we never need the prefix so we strip it. Some(text) if !is_raw_identifier(text) => Name::new_text(SmolStr::new(text)), + // Keywords (in the current edition) *can* be used as a name in earlier editions of + // Rust, e.g. "try" in Rust 2015. Even in such cases, we keep track of them in their + // escaped form. + None if is_raw_identifier(raw_text) => { + Name::new_text(SmolStr::from_iter(["r#", raw_text])) + } _ => Name::new_text(raw_text.into()), } } diff --git a/crates/ide-db/src/search.rs b/crates/ide-db/src/search.rs index 9eaabeec7a..2f4aa11317 100644 --- a/crates/ide-db/src/search.rs +++ b/crates/ide-db/src/search.rs @@ -402,7 +402,9 @@ impl<'a> FindUsages<'a> { .or_else(|| ty.as_builtin().map(|builtin| builtin.name())) }) }; - self.def.name(sema.db).or_else(self_kw_refs).map(|it| it.to_smol_str()) + // We need to unescape the name in case it is written without "r#" in earlier + // editions of Rust where it isn't a keyword. + self.def.name(sema.db).or_else(self_kw_refs).map(|it| it.unescaped().to_smol_str()) } }; let name = match &name { |