ager@chromium.org | 9258b6b | 2008-09-11 09:11:10 +0000 | [diff] [blame] | 1 | // Copyright 2008 the V8 project authors. All rights reserved. |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 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 | // Simple function which collects a simple call graph. |
| 33 | var call_graph = ""; |
| 34 | function listener(event, exec_state, event_data, data) { |
| 35 | if (event == Debug.DebugEvent.Break) |
| 36 | { |
| 37 | call_graph += exec_state.frame().func().name(); |
| 38 | exec_state.prepareStep(); |
| 39 | } |
| 40 | }; |
| 41 | |
| 42 | // Add the debug event listener. |
iposva@chromium.org | 245aa85 | 2009-02-10 00:49:54 +0000 | [diff] [blame] | 43 | Debug.setListener(listener); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 44 | |
| 45 | // Test debug event for constructor. |
| 46 | function a() { |
| 47 | new c(); |
| 48 | } |
| 49 | |
| 50 | function b() { |
| 51 | x = 1; |
| 52 | new c(); |
| 53 | } |
| 54 | |
| 55 | function c() { |
| 56 | this.x = 1; |
| 57 | d(); |
| 58 | } |
| 59 | |
| 60 | function d() { |
| 61 | } |
| 62 | |
| 63 | // Break point stops on "new c()" and steps into c. |
| 64 | Debug.setBreakPoint(a, 1); |
| 65 | call_graph = ""; |
| 66 | a(); |
| 67 | Debug.clearStepping(); // Clear stepping as the listener leaves it on. |
| 68 | assertEquals("accdca", call_graph); |
| 69 | |
| 70 | // Break point stops on "x = 1" and steps to "new c()" and then into c. |
| 71 | Debug.setBreakPoint(b, 1); |
| 72 | call_graph = ""; |
| 73 | b(); |
| 74 | Debug.clearStepping(); // Clear stepping as the listener leaves it on. |
| 75 | assertEquals("bbccdcb", call_graph); |
| 76 | |
| 77 | // Get rid of the debug event listener. |
iposva@chromium.org | 245aa85 | 2009-02-10 00:49:54 +0000 | [diff] [blame] | 78 | Debug.setListener(null); |