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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 --harmony-scoping | |
| 29 | |
| 30 // Test debug evaluation for functions without local context, but with | |
| 31 // nested catch contexts. | |
| 32 | |
| 33 "use strict"; | |
| 34 | |
| 35 var x; | |
| 36 var result; | |
| 37 | |
| 38 function 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. | |
| 50 var Debug = debug.Debug | |
| 51 // Set breakpoint on line 6. | |
| 52 var bp = Debug.setBreakPoint(f, 6); | |
| 53 | |
| 54 function listener(event, exec_state, event_data, data) { | |
| 55 if (event == Debug.DebugEvent.Break) { | |
| 56 result = exec_state.frame().evaluate("i").value(); | |
| 57 } | |
| 58 }; | |
| 59 | |
| 60 // Add the debug event listener. | |
| 61 Debug.setListener(listener); | |
| 62 result = -1; | |
| 63 f(); | |
| 64 assertEquals(1, result); | |
| 65 | |
| 66 // Clear breakpoint. | |
| 67 Debug.clearBreakPoint(bp); | |
| 68 // Get rid of the debug event listener. | |
| 69 Debug.setListener(null); | |
| 70 | |
| 71 | |
| 72 function f1() { | |
| 73 { | |
| 74 let i = 1; | |
| 75 debugger; | |
| 76 assertEquals(2, i); | |
| 77 } | |
| 78 } | |
| 79 | |
| 80 function f2() { | |
| 81 { | |
| 82 let i = 1; | |
| 83 debugger; | |
| 84 assertEquals(2, i); | |
| 85 return function() { return i++; } | |
| 86 } | |
| 87 } | |
| 88 | |
| 89 var exception; | |
| 90 Debug.setListener(function (event, exec_state, event_data, data) { | |
| 91 try { | |
| 92 if (event == Debug.DebugEvent.Break) { | |
| 93 var frame = exec_state.frame(); | |
| 94 assertEquals(1, frame.evaluate("i").value()); | |
| 95 var allScopes = frame.allScopes(); | |
| 96 assertEquals(1, allScopes[0].scopeObject().value().i); | |
| 97 allScopes[0].setVariableValue("i", 2); | |
| 98 } | |
| 99 } catch (e) { | |
| 100 exception = e; | |
| 101 } | |
| 102 }); | |
| 103 | |
| 104 exception = null; | |
| 105 f1(); | |
| 106 assertEquals(null, exception, exception); | |
| 107 exception = null; | |
| 108 f2(); | |
| 109 assertEquals(null, exception, exception); | |
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