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 33 var Debug = debug.Debug; 34 35 function 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 53 Debug.setListener(listener); 54 55 var q = 42; 56 var prefixes = [ 57 "debugger; ", 58 "if (false) { try { throw 0; } catch(x) { return x; } }; debugger; " ]; 59 var with_bodies = [ "with ({}) {}", 60 "with ({x:1}) x", 61 "with ({x:1}) x = 1", 62 "with ({x:1}) x ", 63 "with ({x:1}) x = 1 ", 64 "with ({x:1}) x;", 65 "with ({x:1}) x = 1;", 66 "with ({x:1}) x; ", 67 "with ({x:1}) x = 1; " ]; 68 69 70 function test9() { 71 debugger; 72 for (var i = 0; i < prefixes.length; ++i) { 73 var pre = prefixes[i]; 74 for (var j = 0; j < with_bodies.length; ++j) { 75 var body = with_bodies[j]; 76 eval(pre + body); 77 } 78 } 79 } 80 test9(); 81
