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Edit File: debug-stepin-function-call.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 var exception = null; var state = 0; // Simple debug event handler which first time will cause 'step in' action // to get into g.call and than check that execution is pauesed inside // function 'g'. function listener(event, exec_state, event_data, data) { try { if (event == Debug.DebugEvent.Break) { if (state == 0) { // Step into f2.call: exec_state.prepareStep(Debug.StepAction.StepIn, 2); state = 2; } else if (state == 2) { assertEquals('g', event_data.func().name()); assertEquals(' return t + 1; // expected line', event_data.sourceLineText()); state = 3; } } } catch(e) { exception = e; } }; // Add the debug event listener. Debug.setListener(listener); // Sample functions. function g(t) { return t + 1; // expected line } // Test step into function call from a function without local variables. function call1() { debugger; g.call(null, 3); } // Test step into function call from a function with some local variables. function call2() { var aLocalVar = 'test'; var anotherLocalVar = g(aLocalVar) + 's'; var yetAnotherLocal = 10; debugger; g.call(null, 3); } // Test step into function call which is a part of an expression. function call3() { var alias = g; debugger; var r = 10 + alias.call(null, 3); var aLocalVar = 'test'; var anotherLocalVar = g(aLocalVar) + 's'; var yetAnotherLocal = 10; } // Test step into function call from a function with some local variables. function call4() { var alias = g; debugger; alias.call(null, 3); var aLocalVar = 'test'; var anotherLocalVar = g(aLocalVar) + 's'; var yetAnotherLocal = 10; } // Test step into function apply from a function without local variables. function apply1() { debugger; g.apply(null, [3]); } // Test step into function apply from a function with some local variables. function apply2() { var aLocalVar = 'test'; var anotherLocalVar = g(aLocalVar) + 's'; var yetAnotherLocal = 10; debugger; g.apply(null, [3, 4]); } // Test step into function apply which is a part of an expression. function apply3() { var alias = g; debugger; var r = 10 + alias.apply(null, [3, 'unused arg']); var aLocalVar = 'test'; var anotherLocalVar = g(aLocalVar) + 's'; var yetAnotherLocal = 10; } // Test step into function apply from a function with some local variables. function apply4() { var alias = g; debugger; alias.apply(null, [3]); var aLocalVar = 'test'; var anotherLocalVar = g(aLocalVar) + 's'; var yetAnotherLocal = 10; } // Test step into bound function. function bind1() { var bound = g.bind(null, 3); debugger; bound(); } var testFunctions = [call1, call2, call3, call4, apply1, apply2, apply3, apply4, bind1]; for (var i = 0; i < testFunctions.length; i++) { state = 0; testFunctions[i](); assertNull(exception); assertEquals(3, state); } // Test global bound function. state = 0; var globalBound = g.bind(null, 3); debugger; globalBound(); assertNull(exception); assertEquals(3, state); // Get rid of the debug event listener. Debug.setListener(null);