JezK
Edit File: debug-step-stub-callfunction.js
// Copyright 2008 the V8 project authors. All rights reserved. // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above // copyright notice, this list of conditions and the following // disclaimer in the documentation and/or other materials provided // with the distribution. // * Neither the name of Google Inc. nor the names of its // contributors may be used to endorse or promote products derived // from this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // Flags: --expose-debug-as debug // Get the Debug object exposed from the debug context global object. Debug = debug.Debug // Simple debug event handler which counts the number of breaks hit and steps. var break_break_point_hit_count = 0; function listener(event, exec_state, event_data, data) { if (event == Debug.DebugEvent.Break) { break_break_point_hit_count++; // Continue stepping until returned to bottom frame. if (exec_state.frameCount() > 1) { exec_state.prepareStep(Debug.StepAction.StepIn); } } }; // Add the debug event listener. Debug.setListener(listener); // Use 'eval' to ensure that the call to print is through CodeStub CallFunction. // See Ia32CodeGenerator::VisitCall and Ia32CodeGenerator::CallWithArguments. function f() { debugger; eval(''); print('Hello, world!'); }; break_break_point_hit_count = 0; f(); assertEquals(6, break_break_point_hit_count); // Use an inner function to ensure that the function call is through CodeStub // CallFunction see Ia32CodeGenerator::VisitCall and // Ia32CodeGenerator::CallWithArguments. function g() { function h() {} debugger; h(); }; break_break_point_hit_count = 0; g(); assertEquals(5, break_break_point_hit_count); // Use an inner function to ensure that the function call is through CodeStub // CallFunction. function testCallInExpreesion() { function h() {} debugger; var x = 's' + h(10, 20); }; break_break_point_hit_count = 0; testCallInExpreesion(); assertEquals(5, break_break_point_hit_count); // Get rid of the debug event listener. Debug.setListener(null);