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| 1 // Copyright 2008 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 // Get the Debug object exposed from the debug context global object. | |
| 30 Debug = debug.Debug | |
| 31 | |
| 32 listenerComplete = false; | |
| 33 exception = false; | |
| 34 | |
| 35 // Event listener which evaluates with break disabled. | |
| 36 function listener(event, exec_state, event_data, data) { | |
| 37 try { | |
| 38 if (event == Debug.DebugEvent.Break) | |
| 39 { | |
| 40 // Call functions with break using the FrameMirror directly. | |
| 41 assertEquals(1, exec_state.evaluateGlobal('f()', true).value()); | |
| 42 assertEquals(2, exec_state.evaluateGlobal('g()', true).value()); | |
| 43 assertEquals(1, exec_state.frame(0).evaluate('f()', true).value()); | |
| 44 assertEquals(2, exec_state.frame(0).evaluate('g()', true).value()); | |
| 45 // Indicate that all was processed. | |
| 46 listenerComplete = true; | |
| 47 } | |
| 48 } catch (e) { | |
| 49 exception = e | |
| 50 }; | |
| 51 }; | |
| 52 | |
| 53 | |
| 54 // Event listener which evaluates with break enabled one time and the second | |
| 55 // time evaluates with break disabled. | |
| 56 var break_count = 0; | |
| 57 function listener_recurse(event, exec_state, event_data, data) { | |
| 58 try { | |
| 59 if (event == Debug.DebugEvent.Break) | |
| 60 { | |
| 61 break_count++; | |
| 62 | |
| 63 // Call functions with break using the FrameMirror directly. | |
| 64 if (break_count == 1) { | |
| 65 // First break event evaluates with break enabled. | |
| 66 assertEquals(1, exec_state.frame(0).evaluate('f()', false).value()); | |
| 67 listenerComplete = true; | |
| 68 } else { | |
| 69 // Second break event evaluates with break disabled. | |
| 70 assertEquals(2, break_count); | |
| 71 assertFalse(listenerComplete); | |
| 72 assertEquals(1, exec_state.frame(0).evaluate('f()', true).value()); | |
| 73 } | |
| 74 } | |
| 75 } catch (e) { | |
| 76 exception = e | |
| 77 }; | |
| 78 }; | |
| 79 | |
| 80 // Add the debug event listener. | |
| 81 Debug.setListener(listener); | |
| 82 | |
| 83 // Test functions - one with break point and one with debugger statement. | |
| 84 function f() { | |
| 85 return 1; | |
| 86 }; | |
| 87 | |
| 88 function g() { | |
| 89 debugger; | |
| 90 return 2; | |
| 91 }; | |
| 92 | |
| 93 Debug.setBreakPoint(f, 2, 0); | |
| 94 | |
| 95 // Cause a debug break event. | |
| 96 debugger; | |
| 97 | |
| 98 assertFalse(exception, "exception in listener") | |
| 99 // Make sure that the debug event listener vas invoked. | |
| 100 assertTrue(listenerComplete); | |
| 101 | |
| 102 // Remove the debug event listener. | |
| 103 Debug.setListener(null); | |
| 104 | |
| 105 // Set debug event listener wich uses recursive breaks. | |
| 106 Debug.setListener(listener_recurse); | |
| 107 listenerComplete = false; | |
| 108 | |
| 109 Debug.setBreakPoint(f, 2, 0); | |
| 110 | |
| 111 debugger; | |
| 112 | |
| 113 assertFalse(exception, "exception in listener") | |
| 114 // Make sure that the debug event listener vas invoked. | |
| 115 assertTrue(listenerComplete); | |
| 116 assertEquals(2, break_count); | |
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