runtime-dynamic-import.cc

RUNTIME_FUNCTION(Runtime_DynamicImportCall) {
    HandleScope scope(isolate);
    DCHECK_EQ(2, args.length());
    CONVERT_ARG_HANDLE_CHECKED(JSFunction, function, 0);
    CONVERT_ARG_HANDLE_CHECKED(Object, specifier, 1);

    Handle<Script> script(Script::cast(function->shared()->script()), isolate);

    while (script->has_eval_from_shared()) {
        script = handle(Script::cast(script->eval_from_shared()->script()), isolate);
    }

    RETURN_RESULT_OR_FAILURE(
        isolate,
        isolate->RunHostImportModuleDynamicallyCallback(script, specifier)
    );
}