1// Copyright 2012 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 29// Flags: --turbo-deoptimization 30 31// Test that a variable in the local scope that shadows a context-allocated 32// variable is correctly resolved when being evaluated in the debugger. 33 34Debug = debug.Debug; 35 36var exception = false; 37 38function listener(event, exec_state, event_data, data) { 39 if (event != Debug.DebugEvent.Break) return; 40 var breakpoint = exec_state.frame(0); 41 try { 42 // Assert correct break point. 43 assertTrue(breakpoint.sourceLineText().indexOf("// Break") > -1); 44 // Assert correct value. 45 assertEquals(3, breakpoint.evaluate('x').value()); 46 } catch (e) { 47 exception = e; 48 } 49} 50 51Debug.setListener(listener); 52 53function h() { 54 var x; // Context-allocated due to g(). 55 56 var g = function g() { 57 x = -7; 58 }; 59 60 var f = function f() { 61 var x = 3; // Allocated in the local scope. 62 debugger; // Break. 63 }; 64 65 f(); 66} 67 68h(); 69 70assertFalse(exception); 71