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 --expose-natives-as=builtins 29 30// Check that the ScopeIterator can properly recreate the scope at 31// every point when stepping through functions. 32 33var Debug = debug.Debug; 34 35function listener(event, exec_state, event_data, data) { 36 if (event == Debug.DebugEvent.Break) { 37 // Access scope details. 38 var scope_count = exec_state.frame().scopeCount(); 39 for (var i = 0; i < scope_count; i++) { 40 var scope = exec_state.frame().scope(i); 41 // assertTrue(scope.isScope()); 42 scope.scopeType(); 43 scope.scopeObject(); 44 } 45 46 // Do steps until we reach the global scope again. 47 if (true) { 48 exec_state.prepareStep(Debug.StepAction.StepInMin, 1); 49 } 50 } 51} 52 53Debug.setListener(listener); 54 55var q = 42; 56var prefixes = [ "debugger; ", 57 "if (false) { try { throw 0; } catch(x) { this.x = x; } }; debugger; " ]; 58var bodies = [ "1", 59 "1 ", 60 "1;", 61 "1; ", 62 "q", 63 "q ", 64 "q;", 65 "q; ", 66 "try { throw 'stuff' } catch (e) { e = 1; }", 67 "try { throw 'stuff' } catch (e) { e = 1; } ", 68 "try { throw 'stuff' } catch (e) { e = 1; };", 69 "try { throw 'stuff' } catch (e) { e = 1; }; " ]; 70 71 72function test9() { 73 debugger; 74 for (var i = 0; i < prefixes.length; ++i) { 75 var pre = prefixes[i]; 76 for (var j = 0; j < bodies.length; ++j) { 77 var body = bodies[j]; 78 eval(pre + body); 79 eval("'use strict'; " + pre + body); 80 } 81 } 82} 83test9(); 84