1// Copyright 2013 the V8 project authors. All rights reserved. 2// Redistribution and use in source and binary forms, with or without 3// modification, are permitted provided that the following conditions are 4// met: 5// 6// * Redistributions of source code must retain the above copyright 7// notice, this list of conditions and the following disclaimer. 8// * Redistributions in binary form must reproduce the above 9// copyright notice, this list of conditions and the following 10// disclaimer in the documentation and/or other materials provided 11// with the distribution. 12// * Neither the name of Google Inc. nor the names of its 13// contributors may be used to endorse or promote products derived 14// from this software without specific prior written permission. 15// 16// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 28// Flags: --expose-debug-as debug --allow-natives-syntax 29 30Debug = debug.Debug; 31 32function listener(event, exec_state, event_data, data) { 33 if (event != Debug.DebugEvent.Break) return; 34 try { 35 assertEquals("foo", exec_state.frame(0).evaluate("bar").value()); 36 } catch (e) { 37 exception = e; 38 }; 39 listened++; 40}; 41 42var exception = null; 43var listened = 0; 44 45var f = function() { 46 var bar = "foo"; 47 var baz = bar; // Break point should be here. 48 return bar; 49} 50 51var g = function() { 52 var bar = "foo"; 53 var baz = bar; // Break point should be here. 54 return bar; 55} 56 57f(); 58f(); 59g(); 60g(); 61 62// Mark with builtin. 63%OptimizeFunctionOnNextCall(f); 64if (%IsConcurrentRecompilationSupported()) { 65 %OptimizeFunctionOnNextCall(g, "concurrent"); 66} 67 68// Activate debugger. 69Debug.setListener(listener); 70 71 // Set break point. 72Debug.setBreakPoint(f, 2, 0); 73Debug.setBreakPoint(g, 2, 0); 74 75// Trigger break point. 76f(); 77g(); 78 79// Assert that break point is set at expected location. 80assertTrue(Debug.showBreakPoints(f).indexOf("[B0]var baz = bar;") > 0); 81assertTrue(Debug.showBreakPoints(g).indexOf("[B0]var baz = bar;") > 0); 82 83assertEquals(2, listened); 84assertNull(exception); 85