Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1 | // Copyright 2009 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 | // Get the Debug object exposed from the debug context global object. |
| 30 | Debug = debug.Debug |
| 31 | |
| 32 | var exception = false; // Exception in debug event listener. |
| 33 | var before_compile_count = 0; |
| 34 | var after_compile_count = 0; |
| 35 | var current_source = ''; // Current source being compiled. |
| 36 | var source_count = 0; // Total number of scources compiled. |
| 37 | var host_compilations = 0; // Number of scources compiled through the API. |
| 38 | var eval_compilations = 0; // Number of scources compiled through eval. |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 39 | |
| 40 | |
| 41 | function compileSource(source) { |
| 42 | current_source = source; |
| 43 | eval(current_source); |
| 44 | source_count++; |
| 45 | } |
| 46 | |
| 47 | |
| 48 | function listener(event, exec_state, event_data, data) { |
| 49 | try { |
| 50 | if (event == Debug.DebugEvent.BeforeCompile || |
| 51 | event == Debug.DebugEvent.AfterCompile) { |
| 52 | // Count the events. |
| 53 | if (event == Debug.DebugEvent.BeforeCompile) { |
| 54 | before_compile_count++; |
| 55 | } else { |
| 56 | after_compile_count++; |
| 57 | switch (event_data.script().compilationType()) { |
| 58 | case Debug.ScriptCompilationType.Host: |
| 59 | host_compilations++; |
| 60 | break; |
| 61 | case Debug.ScriptCompilationType.Eval: |
| 62 | eval_compilations++; |
| 63 | break; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 64 | } |
| 65 | } |
| 66 | |
| 67 | // If the compiled source contains 'eval' there will be additional compile |
| 68 | // events for the source inside eval. |
| 69 | if (current_source.indexOf('eval') == 0) { |
| 70 | // For source with 'eval' there will be compile events with substrings |
| 71 | // as well as with with the exact source. |
| 72 | assertTrue(current_source.indexOf(event_data.script().source()) >= 0); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 73 | } else { |
| 74 | // For source without 'eval' there will be a compile events with the |
| 75 | // exact source. |
| 76 | assertEquals(current_source, event_data.script().source()); |
| 77 | } |
| 78 | // Check that script context is included into the event message. |
| 79 | var json = event_data.toJSONProtocol(); |
| 80 | var msg = eval('(' + json + ')'); |
| 81 | assertTrue('context' in msg.body.script); |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 82 | |
| 83 | // Check that we pick script name from //@ sourceURL, iff present |
| 84 | assertEquals(current_source.indexOf('sourceURL') >= 0 ? |
| 85 | 'myscript.js' : undefined, |
| 86 | event_data.script().name()); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 87 | } |
| 88 | } catch (e) { |
| 89 | exception = e |
| 90 | } |
| 91 | }; |
| 92 | |
| 93 | |
| 94 | // Add the debug event listener. |
| 95 | Debug.setListener(listener); |
| 96 | |
| 97 | // Compile different sources. |
| 98 | compileSource('a=1'); |
| 99 | compileSource('(function(){})'); |
| 100 | compileSource('eval("a=2")'); |
| 101 | source_count++; // Using eval causes additional compilation event. |
| 102 | compileSource('eval("eval(\'(function(){return a;})\')")'); |
| 103 | source_count += 2; // Using eval causes additional compilation event. |
Leon Clarke | 4515c47 | 2010-02-03 11:58:03 +0000 | [diff] [blame] | 104 | compileSource('JSON.parse(\'{"a":1,"b":2}\')'); |
Teng-Hui Zhu | 3e5fa29 | 2010-11-09 16:16:48 -0800 | [diff] [blame^] | 105 | // Using JSON.parse does not causes additional compilation events. |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 106 | compileSource('x=1; //@ sourceURL=myscript.js'); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 107 | |
| 108 | // Make sure that the debug event listener was invoked. |
| 109 | assertFalse(exception, "exception in listener") |
| 110 | |
| 111 | // Number of before and after compile events should be the same. |
| 112 | assertEquals(before_compile_count, after_compile_count); |
| 113 | |
| 114 | // Check the actual number of events (no compilation through the API as all |
Teng-Hui Zhu | 3e5fa29 | 2010-11-09 16:16:48 -0800 | [diff] [blame^] | 115 | // source compiled through eval). |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 116 | assertEquals(source_count, after_compile_count); |
| 117 | assertEquals(0, host_compilations); |
Teng-Hui Zhu | 3e5fa29 | 2010-11-09 16:16:48 -0800 | [diff] [blame^] | 118 | assertEquals(source_count, eval_compilations); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 119 | |
| 120 | Debug.setListener(null); |