Method extract_inheritance

codegraph-kernel/src/csharp.rs:1177–1201

extractInheritance — the C# base_list branch (5577): EVERY namedChild emits one `extends` ref (interfaces conflated by design; the garbage `(repo)` argument-list / `BaseDto(Name)` / `: byte` shapes preserved).

(&mut self, node: Node<'t>, class_row: u32)

    /// emits one `extends` ref (interfaces conflated by design; the garbage
    /// `(repo)` argument-list / `BaseDto(Name)` / `: byte` shapes preserved).
    fn extract_inheritance(&mut self, node: Node<'t>, class_row: u32) {
        let extends_kind = edge_kind_index("extends").unwrap();
        for i in 0..node.named_child_count() {
            let Some(child) = node.named_child(i) else { continue };
            if child.kind() != "base_list" {
                continue;
            }
            for j in 0..child.named_child_count() {
                let Some(base) = child.named_child(j) else { continue };
                let name = if base.kind() == "generic_name" {
                    // `ClientBase<T>` → head identifier; position = generic_name.
                    let ident = (0..base.named_child_count())
                        .filter_map(|k| base.named_child(k))
                        .find(|c| c.kind() == "identifier");
                    match ident {
                        Some(idn) => self.text(idn).to_string(),
                        None => self.text(base).to_string(),
                    }
                } else {
                    self.text(base).to_string()
                };
                self.push_ref_at(class_row, &name, extends_kind, base);
            }
        }
    }

    // --- C# type-reference engine (extractCsharpTypeRefs, 5893) -----------------