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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 --nocrankshaft |
| 29 // Get the Debug object exposed from the debug context global object. |
| 30 Debug = debug.Debug |
| 31 |
| 32 function DebuggerStatement() { |
| 33 debugger; |
| 34 } |
| 35 |
| 36 function TestCase(fun) { |
| 37 var exception = false; |
| 38 var codeSnippet = undefined; |
| 39 var resultPositions = undefined; |
| 40 |
| 41 function listener(event, exec_state, event_data, data) { |
| 42 try { |
| 43 if (event == Debug.DebugEvent.Break) { |
| 44 Debug.setListener(null); |
| 45 |
| 46 var secondFrame = exec_state.frame(1); |
| 47 codeSnippet = secondFrame.sourceLineText(); |
| 48 resultPositions = secondFrame.stepInPositions(); |
| 49 } |
| 50 } catch (e) { |
| 51 exception = e |
| 52 } |
| 53 } |
| 54 |
| 55 Debug.setListener(listener); |
| 56 |
| 57 fun(); |
| 58 |
| 59 Debug.setListener(null); |
| 60 |
| 61 assertTrue(!exception, exception); |
| 62 |
| 63 var expectedPositions = {}; |
| 64 var markPattern = new RegExp("/\\*#\\*/", "g"); |
| 65 |
| 66 var matchResult; |
| 67 while ( (matchResult = markPattern.exec(codeSnippet)) ) { |
| 68 expectedPositions[matchResult.index] = true; |
| 69 } |
| 70 |
| 71 print(codeSnippet); |
| 72 |
| 73 var decoratedResult = codeSnippet; |
| 74 |
| 75 function replaceStringRange(s, pos, substitute) { |
| 76 return s.substring(0, pos) + substitute + |
| 77 s.substring(pos + substitute.length); |
| 78 } |
| 79 |
| 80 var markLength = 5; |
| 81 var unexpectedPositionFound = false; |
| 82 |
| 83 for (var i = 0; i < resultPositions.length; i++) { |
| 84 var col = resultPositions[i].position.column - markLength; |
| 85 if (expectedPositions[col]) { |
| 86 delete expectedPositions[col]; |
| 87 decoratedResult = replaceStringRange(decoratedResult, col, "*YES*"); |
| 88 } else { |
| 89 decoratedResult = replaceStringRange(decoratedResult, col, "!BAD!"); |
| 90 unexpectedPositionFound = true; |
| 91 } |
| 92 } |
| 93 |
| 94 print(decoratedResult); |
| 95 |
| 96 for (var n in expectedPositions) { |
| 97 assertTrue(false, "Some positions are not reported: " + decoratedResult); |
| 98 break; |
| 99 } |
| 100 assertFalse(unexpectedPositionFound, "Found unexpected position: " + |
| 101 decoratedResult); |
| 102 } |
| 103 |
| 104 |
| 105 // Test cases. |
| 106 |
| 107 // Method calls. |
| 108 var fun = function() { |
| 109 var data = { |
| 110 a: function() {} |
| 111 }; |
| 112 var res = [ DebuggerStatement(), data./*#*/a(), data[/*#*/String("a")]/*#*/(),
data["a"]/*#*/(), data.a, data["a"] ]; |
| 113 }; |
| 114 TestCase(fun); |
| 115 |
| 116 // Function call on a value. |
| 117 var fun = function() { |
| 118 function g(p) { |
| 119 return g; |
| 120 } |
| 121 var res = [ DebuggerStatement(), /*#*/g(2), /*#*/g(2)/*#*/(3), /*#*/g(0)/*#*/(
0)/*#*/(g) ]; |
| 122 }; |
| 123 TestCase(fun); |
| 124 |
| 125 // Local function call, closure function call, |
| 126 // local function construction call. |
| 127 var fun = (function(p) { |
| 128 return function() { |
| 129 function f(a, b) { |
| 130 } |
| 131 var res = /*#*/f(DebuggerStatement(), /*#*/p(/*#*/new f())); |
| 132 }; |
| 133 })(Object); |
| 134 TestCase(fun); |
| 135 |
| 136 // Global function, global object construction, calls before pause point. |
| 137 var fun = (function(p) { |
| 138 return function() { |
| 139 var res = [ Math.abs(new Object()), DebuggerStatement(), Math./*#*/abs(4), /
*#*/new Object()./*#*/toString() ]; |
| 140 }; |
| 141 })(Object); |
| 142 TestCase(fun); |
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