1// Copyright 2014 the V8 project authors. All rights reserved. 2// Use of this source code is governed by a BSD-style license that can be 3// found in the LICENSE file. 4 5// Flags: --allow-natives-syntax --expose-debug-as debug 6 7Debug = debug.Debug 8 9function listener(event, exec_state, event_data, data) { 10 try { 11 if (event == Debug.DebugEvent.Break) { 12 exec_state.prepareStep(Debug.StepAction.StepIn, 3); 13 } 14 } catch (e) { 15 } 16} 17 18Debug.setListener(listener); 19 20function f(x) { 21 if (x > 0) %_CallFunction(null, x-1, f); 22} 23 24debugger; 25f(2); 26 27Debug.setListener(null); 28