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| 1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 the V8 project authors. All rights reserved. |
| 2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
| 3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
| 4 // met: | 4 // met: |
| 5 // | 5 // |
| 6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
| 7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
| 8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
| 9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
| 10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
| 11 // with the distribution. | 11 // with the distribution. |
| 12 // * Neither the name of Google Inc. nor the names of its | 12 // * Neither the name of Google Inc. nor the names of its |
| 13 // contributors may be used to endorse or promote products derived | 13 // contributors may be used to endorse or promote products derived |
| 14 // from this software without specific prior written permission. | 14 // from this software without specific prior written permission. |
| 15 // | 15 // |
| 16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | 16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | 17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | 18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | 19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | 20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | 21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | 22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 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. | 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | 27 |
| 28 // Flags: --expose-debug-as debug | |
| 29 // The functions used for testing backtraces. They are at the top to make the | 28 // The functions used for testing backtraces. They are at the top to make the |
| 30 // testing of source line/column easier. | 29 // testing of source line/column easier. |
| 31 | 30 |
| 32 | 31 |
| 33 // Get the Debug object exposed from the debug context global object. | 32 // Get the Debug object exposed from the debug context global object. |
| 34 Debug = debug.Debug; | 33 Debug = debug.Debug; |
| 35 | 34 |
| 36 var test_name; | 35 var test_name; |
| 37 var listener_delegate; | 36 var listener_delegate; |
| 38 var listener_called; | 37 var listener_called; |
| 39 var exception; | 38 var exception; |
| 40 var begin_test_count = 0; | 39 var begin_test_count = 0; |
| 41 var end_test_count = 0; | 40 var end_test_count = 0; |
| 42 var break_count = 0; | 41 var break_count = 0; |
| 42 var global_marker = 7; |
| 43 | 43 |
| 44 | 44 |
| 45 // Debug event listener which delegates. | 45 // Debug event listener which delegates. |
| 46 function listener(event, exec_state, event_data, data) { | 46 function listener(event, exec_state, event_data, data) { |
| 47 try { | 47 try { |
| 48 if (event == Debug.DebugEvent.Break) { | 48 if (event == Debug.DebugEvent.Break) { |
| 49 break_count++; | 49 break_count++; |
| 50 listener_called = true; | 50 listener_called = true; |
| 51 listener_delegate(exec_state); | 51 listener_delegate(exec_state); |
| 52 } | 52 } |
| (...skipping 28 matching lines...) Expand all Loading... |
| 81 // Check that the scope chain contains the expected types of scopes. | 81 // Check that the scope chain contains the expected types of scopes. |
| 82 function CheckScopeChain(scopes, exec_state) { | 82 function CheckScopeChain(scopes, exec_state) { |
| 83 assertEquals(scopes.length, exec_state.frame().scopeCount()); | 83 assertEquals(scopes.length, exec_state.frame().scopeCount()); |
| 84 for (var i = 0; i < scopes.length; i++) { | 84 for (var i = 0; i < scopes.length; i++) { |
| 85 var scope = exec_state.frame().scope(i); | 85 var scope = exec_state.frame().scope(i); |
| 86 assertTrue(scope.isScope()); | 86 assertTrue(scope.isScope()); |
| 87 assertEquals(scopes[i], scope.scopeType()); | 87 assertEquals(scopes[i], scope.scopeType()); |
| 88 | 88 |
| 89 // Check the global object when hitting the global scope. | 89 // Check the global object when hitting the global scope. |
| 90 if (scopes[i] == debug.ScopeType.Global) { | 90 if (scopes[i] == debug.ScopeType.Global) { |
| 91 // Objects don't have same class (one is "global", other is "Object", | 91 assertEquals(scope.scopeObject().value().global_marker, global_marker); |
| 92 // so just check the properties directly. | |
| 93 assertPropertiesEqual(this, scope.scopeObject().value()); | |
| 94 } | 92 } |
| 95 } | 93 } |
| 96 } | 94 } |
| 97 | 95 |
| 98 // Check that the content of the scope is as expected. For functions just check | 96 // Check that the content of the scope is as expected. For functions just check |
| 99 // that there is a function. | 97 // that there is a function. |
| 100 function CheckScopeContent(content, number, exec_state) { | 98 function CheckScopeContent(content, number, exec_state) { |
| 101 var scope = exec_state.frame().scope(number); | 99 var scope = exec_state.frame().scope(number); |
| 102 var count = 0; | 100 var count = 0; |
| 103 for (var p in content) { | 101 for (var p in content) { |
| 104 var property_mirror = scope.scopeObject().property(p); | 102 var property_mirror = scope.scopeObject().property(p); |
| 105 if (property_mirror.isUndefined()) { | 103 if (property_mirror.isUndefined()) { |
| 106 print('property ' + p + ' not found in scope'); | 104 print('property ' + p + ' not found in scope'); |
| 107 } | 105 } |
| 108 assertFalse(property_mirror.isUndefined(), | 106 assertFalse(property_mirror.isUndefined(), |
| 109 'property ' + p + ' not found in scope'); | 107 'property ' + p + ' not found in scope'); |
| 110 if (typeof(content[p]) === 'function') { | 108 assertEquals(content[p], property_mirror.value().value(), |
| 111 assertTrue(property_mirror.value().isFunction()); | 109 'property ' + p + ' has unexpected value'); |
| 112 } else { | |
| 113 assertEquals(content[p], property_mirror.value().value(), | |
| 114 'property ' + p + ' has unexpected value'); | |
| 115 } | |
| 116 count++; | 110 count++; |
| 117 } | 111 } |
| 118 | 112 |
| 119 // 'arguments' and might be exposed in the local and closure scope. Just | 113 // 'arguments' and might be exposed in the local and closure scope. Just |
| 120 // ignore this. | 114 // ignore this. |
| 121 var scope_size = scope.scopeObject().properties().length; | 115 var scope_size = scope.scopeObject().properties().length; |
| 122 if (!scope.scopeObject().property('arguments').isUndefined()) { | 116 if (!scope.scopeObject().property('arguments').isUndefined()) { |
| 123 scope_size--; | 117 scope_size--; |
| 124 } | 118 } |
| 125 // Skip property with empty name. | 119 // Skip property with empty name. |
| 126 if (!scope.scopeObject().property('').isUndefined()) { | 120 if (!scope.scopeObject().property('').isUndefined()) { |
| 127 scope_size--; | 121 scope_size--; |
| 128 } | 122 } |
| 129 | 123 |
| 130 if (count != scope_size) { | 124 if (scope_size < count) { |
| 131 print('Names found in scope:'); | 125 print('Names found in scope:'); |
| 132 var names = scope.scopeObject().propertyNames(); | 126 var names = scope.scopeObject().propertyNames(); |
| 133 for (var i = 0; i < names.length; i++) { | 127 for (var i = 0; i < names.length; i++) { |
| 134 print(names[i]); | 128 print(names[i]); |
| 135 } | 129 } |
| 136 } | 130 } |
| 137 assertEquals(count, scope_size); | 131 assertTrue(scope_size >= count); |
| 138 } | 132 } |
| 139 | 133 |
| 140 | 134 |
| 141 // Simple closure formed by returning an inner function referering to an outer | 135 // Simple closure formed by returning an inner function referering to an outer |
| 142 // block local variable and an outer function's parameter. Due to VM | 136 // block local variable and an outer function's parameter. Due to VM |
| 143 // optimizations parts of the actual closure is missing from the debugger | 137 // optimizations parts of the actual closure is missing from the debugger |
| 144 // information. | 138 // information. |
| 145 BeginTest("Closure 1"); | 139 BeginTest("Closure 1"); |
| 146 | 140 |
| 147 function closure_1(a) { | 141 function closure_1(a) { |
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| 161 CheckScopeChain([debug.ScopeType.Local, | 155 CheckScopeChain([debug.ScopeType.Local, |
| 162 debug.ScopeType.Block, | 156 debug.ScopeType.Block, |
| 163 debug.ScopeType.Closure, | 157 debug.ScopeType.Closure, |
| 164 debug.ScopeType.Global], exec_state); | 158 debug.ScopeType.Global], exec_state); |
| 165 CheckScopeContent({}, 0, exec_state); | 159 CheckScopeContent({}, 0, exec_state); |
| 166 CheckScopeContent({z:4}, 1, exec_state); | 160 CheckScopeContent({z:4}, 1, exec_state); |
| 167 CheckScopeContent({a:1,x:2,y:3}, 2, exec_state); | 161 CheckScopeContent({a:1,x:2,y:3}, 2, exec_state); |
| 168 }; | 162 }; |
| 169 closure_1(1)(); | 163 closure_1(1)(); |
| 170 EndTest(); | 164 EndTest(); |
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