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Diffstat (limited to '')
-rw-r--r-- | src/tools/rust-analyzer/crates/ide-diagnostics/src/lib.rs | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/src/tools/rust-analyzer/crates/ide-diagnostics/src/lib.rs b/src/tools/rust-analyzer/crates/ide-diagnostics/src/lib.rs index ae299f058..d81e36a1f 100644 --- a/src/tools/rust-analyzer/crates/ide-diagnostics/src/lib.rs +++ b/src/tools/rust-analyzer/crates/ide-diagnostics/src/lib.rs @@ -182,6 +182,28 @@ struct DiagnosticsContext<'a> { resolve: &'a AssistResolveStrategy, } +impl<'a> DiagnosticsContext<'a> { + fn resolve_precise_location( + &self, + node: &InFile<SyntaxNodePtr>, + precise_location: Option<TextRange>, + ) -> TextRange { + let sema = &self.sema; + (|| { + let precise_location = precise_location?; + let root = sema.parse_or_expand(node.file_id)?; + match root.covering_element(precise_location) { + syntax::NodeOrToken::Node(it) => Some(sema.original_range(&it)), + syntax::NodeOrToken::Token(it) => { + node.with_value(it).original_file_range_opt(sema.db) + } + } + })() + .unwrap_or_else(|| sema.diagnostics_display_range(node.clone())) + .range + } +} + pub fn diagnostics( db: &RootDatabase, config: &DiagnosticsConfig, |