Method extract_call

codegraph-kernel/src/kotlin.rs:985–1068

extractCall — the kotlin paths: navigation member branch (+ the #750 re-encode) and the raw-text else (paren-then-lambda / glued-invoke garbage preserved).

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

    /// re-encode) and the raw-text else (paren-then-lambda / glued-invoke
    /// garbage preserved).
    fn extract_call(&mut self, node: Node<'t>) {
        if self.stack.is_empty() {
            return;
        }
        let caller = self.top_row();
        let func = node
            .child_by_field_name("function")
            .or_else(|| node.named_child(0));
        let Some(func) = func else { return };
        let mut callee_name = String::new();

        if func.kind() == "navigation_expression" {
            let property = func
                .child_by_field_name("property")
                .or_else(|| func.child_by_field_name("field"))
                .or_else(|| {
                    let c1 = func.named_child(1);
                    match c1 {
                        Some(c) if c.kind() == "navigation_suffix" => (0..c.named_child_count())
                            .filter_map(|i| c.named_child(i))
                            .find(|g| g.kind() == "simple_identifier")
                            .or(Some(c)),
                        other => other,
                    }
                });
            if let Some(property) = property {
                let method_name = self.text(property);
                let receiver = func
                    .child_by_field_name("object")
                    .or_else(|| func.child_by_field_name("operand"))
                    .or_else(|| func.child_by_field_name("argument"))
                    .or_else(|| func.named_child(0));
                if let Some(r) = receiver {
                    if is_literal_receiver(r.kind()) {
                        return; // `"literal".uppercase()` / `5.toString()`
                    }
                }
                let recv_ident = receiver.filter(|r| {
                    matches!(r.kind(), "identifier" | "simple_identifier" | "field_identifier")
                });
                if let Some(r) = recv_ident {
                    let receiver_name = self.text(r);
                    if matches!(receiver_name, "self" | "this" | "cls" | "super") {
                        callee_name = method_name.to_string();
                    } else {
                        callee_name = format!("{receiver_name}.{method_name}");
                    }
                } else if receiver.map(|r| r.kind() == "call_expression").unwrap_or(false) {
                    // #750 kotlin re-encode: innerNav = receiver.namedChild(0)
                    // (NOT a function field), ws-stripped, /^[A-Z]/ gate.
                    let inner = receiver.unwrap().named_child(0);
                    let inner_callee =
                        inner.map(|n| strip_js_ws(self.text(n))).unwrap_or_default();
                    let reencode = inner_callee
                        .as_bytes()
                        .first()
                        .map(|b| b.is_ascii_uppercase())
                        .unwrap_or(false);