Method highlight_this

src/highlight/mod.rs:161–196

Highlight all `$this` references within the same class body.

(
        &self,
        symbol_map: &SymbolMap,
        content: &str,
        cursor_offset: u32,
        uri: &str,
    )

    /// Highlight all `$this` references within the same class body.
    fn highlight_this(
        &self,
        symbol_map: &SymbolMap,
        content: &str,
        cursor_offset: u32,
        uri: &str,
    ) -> Vec<DocumentHighlight> {
        let ctx_classes: Vec<std::sync::Arc<crate::types::ClassInfo>> = self
            .uri_classes_index
            .read()
            .get(uri)
            .cloned()
            .unwrap_or_default();
        let current_class = crate::util::find_class_at_offset(&ctx_classes, cursor_offset);
        let (class_start, class_end) = match current_class {
            Some(cc) => (cc.start_offset, cc.end_offset),
            None => (0, u32::MAX),
        };

        let mut highlights = Vec::new();

        for span in &symbol_map.spans {
            if span.start < class_start || span.start > class_end {
                continue;
            }
            if let SymbolKind::SelfStaticParent(SelfStaticParentKind::This) = &span.kind {
                highlights.push(DocumentHighlight {
                    range: byte_range_to_lsp_range(content, span.start as usize, span.end as usize),
                    kind: Some(DocumentHighlightKind::READ),
                });
            }
        }

        highlights.sort_by(cmp_highlight_range);
        highlights
    }

    /// Highlight all occurrences of a class/interface/trait/enum name
    /// (by FQN) in the file.