// Copyright 2008 the V8 project authors. All rights reserved. // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above // copyright notice, this list of conditions and the following // disclaimer in the documentation and/or other materials provided // with the distribution. // * Neither the name of Google Inc. nor the names of its // contributors may be used to endorse or promote products derived // from this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // Flags: --expose-debug-as debug --nocrankshaft // Get the Debug object exposed from the debug context global object. Debug = debug.Debug function DebuggerStatement() { debugger; } function TestCase(fun) { var exception = false; var codeSnippet = undefined; var resultPositions = undefined; function listener(event, exec_state, event_data, data) { try { if (event == Debug.DebugEvent.Break) { Debug.setListener(null); var secondFrame = exec_state.frame(1); codeSnippet = secondFrame.sourceLineText(); resultPositions = secondFrame.stepInPositions(); } } catch (e) { exception = e } } Debug.setListener(listener); fun(); Debug.setListener(null); assertTrue(!exception, exception); var expectedPositions = {}; var markPattern = new RegExp("/\\*#\\*/", "g"); var matchResult; while ( (matchResult = markPattern.exec(codeSnippet)) ) { expectedPositions[matchResult.index] = true; } print(codeSnippet); var decoratedResult = codeSnippet; function replaceStringRange(s, pos, substitute) { return s.substring(0, pos) + substitute + s.substring(pos + substitute.length); } var markLength = 5; var unexpectedPositionFound = false; for (var i = 0; i < resultPositions.length; i++) { var col = resultPositions[i].position.column - markLength; if (expectedPositions[col]) { delete expectedPositions[col]; decoratedResult = replaceStringRange(decoratedResult, col, "*YES*"); } else { decoratedResult = replaceStringRange(decoratedResult, col, "!BAD!"); unexpectedPositionFound = true; } } print(decoratedResult); for (var n in expectedPositions) { assertTrue(false, "Some positions are not reported: " + decoratedResult); break; } assertFalse(unexpectedPositionFound, "Found unexpected position: " + decoratedResult); } // Test cases. // Method calls. var fun = function() { var data = { a: function() {} }; var res = [ DebuggerStatement(), data./*#*/a(), data[/*#*/String("a")]/*#*/(), data["a"]/*#*/(), data.a, data["a"] ]; }; TestCase(fun); // Function call on a value. var fun = function() { function g(p) { return g; } var res = [ DebuggerStatement(), /*#*/g(2), /*#*/g(2)/*#*/(3), /*#*/g(0)/*#*/(0)/*#*/(g) ]; }; TestCase(fun); // Local function call, closure function call, // local function construction call. var fun = (function(p) { return function() { function f(a, b) { } var res = /*#*/f(DebuggerStatement(), /*#*/p(/*#*/new f())); }; })(Object); TestCase(fun); // Global function, global object construction, calls before pause point. var fun = (function(p) { return function() { var res = [ Math.abs(new Object()), DebuggerStatement(), Math./*#*/abs(4), /*#*/new Object()./*#*/toString() ]; }; })(Object); TestCase(fun);