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 29 30// If a function parameter is forced to be context allocated, 31// debug evaluate need to resolve it to a context slot instead of 32// parameter slot on the stack. 33 34var Debug = debug.Debug; 35 36var expected; 37var exception = null; 38 39function listener(event, exec_state, event_data, data) { 40 if (event != Debug.DebugEvent.Break) return; 41 try { 42 assertEquals(expected, exec_state.frame(0).evaluate('arg').value()); 43 exec_state.frame(0).evaluate('arg = "evaluated";'); 44 } catch (e) { 45 exception = e; 46 } 47} 48 49Debug.setListener(listener); 50 51function f(arg) { 52 expected = arg; 53 debugger; 54 assertEquals("evaluated", arg); 55 56 arg = "value"; 57 expected = arg; 58 debugger; 59 assertEquals("evaluated", arg); 60 61 // Forces arg to be context allocated even though a parameter. 62 function g() { arg; } 63} 64 65f(); 66f(1); 67f(1, 2); 68 69assertNull(exception); 70