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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 | |
| 36 function h() { | |
| 37 var a = 1; | |
| 38 var b = 2; | |
| 39 var eval = 5; // Overriding eval should not break anything. | |
| 40 debugger; // Breakpoint. | |
| 41 return a; | |
| 42 } | |
| 43 | |
| 44 function checkFrame0(frame) { | |
| 45 // Frame 0 (h) has normal variables a and b. | |
| 46 var count = frame.localCount(); | |
| 47 assertEquals(3, count); | |
| 48 for (var i = 0; i < count; ++i) { | |
| 49 var name = frame.localName(i); | |
| 50 var value = frame.localValue(i).value(); | |
| 51 if (name == 'a') { | |
| 52 assertEquals(1, value); | |
| 53 } else if (name !='eval') { | |
| 54 assertEquals('b', name); | |
| 55 assertEquals(2, value); | |
| 56 } | |
| 57 } | |
| 58 } | |
| 59 | |
| 60 | |
| 61 function g() { | |
| 62 var a = 3; | |
| 63 eval("var b = 4;"); | |
| 64 return h() + a; | |
| 65 } | |
| 66 | |
| 67 function checkFrame1(frame) { | |
| 68 // Frame 1 (g) has normal variable a (and arguments). | |
| 69 var count = frame.localCount(); | |
| 70 assertEquals(2, count); | |
| 71 for (var i = 0; i < count; ++i) { | |
| 72 var name = frame.localName(i); | |
| 73 var value = frame.localValue(i).value(); | |
| 74 if (name == 'a') { | |
| 75 assertEquals(3, value); | |
| 76 } else { | |
| 77 assertEquals('arguments', name); | |
| 78 } | |
| 79 } | |
| 80 } | |
| 81 | |
| 82 | |
| 83 function f() { | |
| 84 var a = 5; | |
| 85 var b = 0; | |
| 86 with ({b:6}) { | |
| 87 return g(); | |
| 88 } | |
| 89 } | |
| 90 | |
| 91 function checkFrame2(frame) { | |
| 92 // Frame 2 (f) has normal variables a and b. | |
| 93 var count = frame.localCount(); | |
| 94 assertEquals(2, count); | |
| 95 for (var i = 0; i < count; ++i) { | |
| 96 var name = frame.localName(i); | |
| 97 var value = frame.localValue(i).value(); | |
| 98 if (name == 'a') { | |
| 99 assertEquals(5, value); | |
| 100 } else { | |
| 101 assertEquals('b', name); | |
| 102 assertEquals(0, value); | |
| 103 } | |
| 104 } | |
| 105 } | |
| 106 | |
| 107 | |
| 108 function listener(event, exec_state, event_data, data) { | |
| 109 try { | |
| 110 if (event == Debug.DebugEvent.Break) | |
| 111 { | |
| 112 checkFrame0(exec_state.frame(0)); | |
| 113 checkFrame1(exec_state.frame(1)); | |
| 114 checkFrame2(exec_state.frame(2)); | |
| 115 | |
| 116 assertEquals(1, exec_state.frame(0).evaluate('a').value()); | |
| 117 assertEquals(2, exec_state.frame(0).evaluate('b').value()); | |
| 118 assertEquals(5, exec_state.frame(0).evaluate('eval').value()); | |
| 119 assertEquals(3, exec_state.frame(1).evaluate('a').value()); | |
| 120 assertEquals(4, exec_state.frame(1).evaluate('b').value()); | |
| 121 assertEquals("function", | |
| 122 typeof exec_state.frame(1).evaluate('eval').value()); | |
| 123 assertEquals(5, exec_state.frame(2).evaluate('a').value()); | |
| 124 assertEquals(6, exec_state.frame(2).evaluate('b').value()); | |
| 125 assertEquals("function", | |
| 126 typeof exec_state.frame(2).evaluate('eval').value()); | |
| 127 assertEquals("foo", | |
| 128 exec_state.frame(0).evaluate('a = "foo"').value()); | |
| 129 assertEquals("bar", | |
| 130 exec_state.frame(1).evaluate('a = "bar"').value()); | |
| 131 // Indicate that all was processed. | |
| 132 listenerComplete = true; | |
| 133 } | |
| 134 } catch (e) { | |
| 135 exception = e; | |
| 136 print("Caught something. " + e + " " + e.stack); | |
| 137 }; | |
| 138 }; | |
| 139 | |
| 140 // Add the debug event listener. | |
| 141 Debug.setListener(listener); | |
| 142 | |
| 143 var f_result = f(); | |
| 144 | |
| 145 assertEquals("foobar", f_result); | |
| 146 | |
| 147 // Make sure that the debug event listener was invoked. | |
| 148 assertFalse(exception, "exception in listener") | |
| 149 assertTrue(listenerComplete); | |
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