1// Copyright 2011 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// Test debug evaluation for functions without local context, but with 31// nested catch contexts. 32 33"use strict"; 34 35var x; 36var result; 37 38function f() { 39 { // Line 1. 40 let i = 1; // Line 2. 41 try { // Line 3. 42 throw 'stuff'; // Line 4. 43 } catch (e) { // Line 5. 44 x = 2; // Line 6. 45 } 46 } 47}; 48 49// Get the Debug object exposed from the debug context global object. 50var Debug = debug.Debug 51 52function listener(event, exec_state, event_data, data) { 53 if (event == Debug.DebugEvent.Break) { 54 result = exec_state.frame().evaluate("i").value(); 55 } 56}; 57 58// Add the debug event listener. 59Debug.setListener(listener); 60 61//Set breakpoint on line 6. 62var bp = Debug.setBreakPoint(f, 6); 63 64result = -1; 65f(); 66assertEquals(1, result); 67 68// Clear breakpoint. 69Debug.clearBreakPoint(bp); 70// Get rid of the debug event listener. 71Debug.setListener(null); 72 73 74function f1() { 75 { 76 let i = 1; 77 debugger; 78 assertEquals(2, i); 79 } 80} 81 82function f2() { 83 { 84 let i = 1; 85 debugger; 86 assertEquals(2, i); 87 return function() { return i++; } 88 } 89} 90 91var exception; 92Debug.setListener(function (event, exec_state, event_data, data) { 93 try { 94 if (event == Debug.DebugEvent.Break) { 95 var frame = exec_state.frame(); 96 assertEquals(1, frame.evaluate("i").value()); 97 var allScopes = frame.allScopes(); 98 assertEquals(1, allScopes[0].scopeObject().value().i); 99 allScopes[0].setVariableValue("i", 2); 100 } 101 } catch (e) { 102 exception = e; 103 } 104}); 105 106exception = null; 107f1(); 108assertEquals(null, exception, exception); 109exception = null; 110f2(); 111assertEquals(null, exception, exception); 112 113Debug.setListener(null); 114