Method resolve_member_declaration_hierarchy

src/references/mod.rs:1208–1231

Resolve the class hierarchy for a `MemberDeclaration` at a given offset. Finds the enclosing class and builds the hierarchy set from it.

(
        &self,
        uri: &str,
        offset: u32,
    )

    ///
    /// Finds the enclosing class and builds the hierarchy set from it.
    fn resolve_member_declaration_hierarchy(
        &self,
        uri: &str,
        offset: u32,
    ) -> Option<HashSet<String>> {
        let classes: Vec<Arc<ClassInfo>> = self
            .uri_classes_index
            .read()
            .get(uri)
            .cloned()
            .unwrap_or_default();
        let current_class = find_class_at_offset(&classes, offset).or_else(|| {
            // Fallback: offset may be in a class docblock (before the opening
            // brace).  Find the nearest class whose body starts past the
            // offset, meaning its docblock region likely contains the offset.
            classes
                .iter()
                .map(|c| c.as_ref())
                .filter(|c| c.keyword_offset > 0 && offset < c.start_offset)
                .min_by_key(|c| c.start_offset)
        })?;
        let fqn = current_class.fqn().to_string();
        Some(self.collect_hierarchy_for_fqns(&[fqn]))
    }

    /// Resolve a member access subject to zero or more class FQNs.
    ///