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 30 Debug = debug.Debug; 31 32 function 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 42 var exception = null; 43 var listened = 0; 44 45 var f = function() { 46 var bar = "foo"; 47 var baz = bar; // Break point should be here. 48 return bar; 49 } 50 51 var g = function() { 52 var bar = "foo"; 53 var baz = bar; // Break point should be here. 54 return bar; 55 } 56 57 f(); 58 f(); 59 g(); 60 g(); 61 62 // Mark with builtin. 63 %OptimizeFunctionOnNextCall(f); 64 if (%IsConcurrentRecompilationSupported()) { 65 %OptimizeFunctionOnNextCall(g, "concurrent"); 66 } 67 68 // Activate debugger. 69 Debug.setListener(listener); 70 71 // Set break point. 72 Debug.setBreakPoint(f, 2, 0); 73 Debug.setBreakPoint(g, 2, 0); 74 75 // Trigger break point. 76 f(); 77 g(); 78 79 // Assert that break point is set at expected location. 80 assertTrue(Debug.showBreakPoints(f).indexOf("[B0]var baz = bar;") > 0); 81 assertTrue(Debug.showBreakPoints(g).indexOf("[B0]var baz = bar;") > 0); 82 83 assertEquals(2, listened); 84 assertNull(exception); 85