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| 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 = [ "debugger; ", | |
| 57 "if (false) { try { throw 0; } catch(x) { return x; } }; debugg
er; " ]; | |
| 58 var with_bodies = [ "with ({}) {}", | |
| 59 "with ({x:1}) x", | |
| 60 "with ({x:1}) x = 1", | |
| 61 "with ({x:1}) x ", | |
| 62 "with ({x:1}) x = 1 ", | |
| 63 "with ({x:1}) x;", | |
| 64 "with ({x:1}) x = 1;", | |
| 65 "with ({x:1}) x; ", | |
| 66 "with ({x:1}) x = 1; " ]; | |
| 67 | |
| 68 | |
| 69 // Test global eval and function constructor. | |
| 70 for (var i = 0; i < prefixes.length; ++i) { | |
| 71 var pre = prefixes[i]; | |
| 72 for (var j = 0; j < with_bodies.length; ++j) { | |
| 73 var body = with_bodies[j]; | |
| 74 eval(pre + body); | |
| 75 Function(pre + body)(); | |
| 76 } | |
| 77 } | |
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