1 // Copyright 2013 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 // Flags: --turbo-deoptimization 30 31 Debug = debug.Debug 32 33 var error = null; 34 var test = 0; 35 36 function check_v(expected, exec_state, frame_id) { 37 assertEquals(expected, exec_state.frame(frame_id).evaluate('v').value()); 38 } 39 40 function listener(event, exec_state, event_data, data) { 41 try { 42 if (event != Debug.DebugEvent.Break) return; 43 test++; 44 if (test == 1) { 45 check_v('inner0', exec_state, 0); 46 check_v('inner0', exec_state, 1); 47 check_v('outer', exec_state, 2); 48 assertArrayEquals(["a", "b", "c"], 49 exec_state.frame(0).evaluate('arguments').value()); 50 } else if (test == 2) { 51 check_v('inner1', exec_state, 0); 52 check_v('inner1', exec_state, 1); 53 check_v('outer', exec_state, 2); 54 assertArrayEquals(["a", "b", "c"], 55 exec_state.frame(0).evaluate('arguments').value()); 56 } else { 57 assertEquals(3, test); 58 check_v('inner2', exec_state, 0); 59 check_v('inner1', exec_state, 1); 60 check_v('inner1', exec_state, 2); 61 check_v('outer', exec_state, 3); 62 assertArrayEquals(["x", "y", "z"], 63 exec_state.frame(0).evaluate('arguments').value()); 64 assertArrayEquals(["a", "b", "c"], 65 exec_state.frame(1).evaluate('arguments').value()); 66 } 67 } catch (e) { 68 error = e; 69 } 70 }; 71 72 Debug.setListener(listener); 73 74 var v = 'outer'; 75 (function() { // Test 1 and 2 76 var v = 'inner0'; 77 eval("debugger; var v = 'inner1'; debugger;"); 78 assertEquals('inner1', v); // Overwritten by local eval. 79 })("a", "b", "c"); 80 assertNull(error); 81 82 (function() { // Test 3 83 var v = 'inner0'; // Local eval overwrites this value. 84 eval("var v = 'inner1'; " + 85 "(function() { var v = 'inner2'; debugger; })('x', 'y', 'z');"); 86 assertEquals('inner1', v); // Overwritten by local eval. 87 })("a", "b", "c"); 88 assertNull(error); 89
