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; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 35 | var compile_error_count = 0; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 36 | var current_source = ''; // Current source being compiled. |
| 37 | var source_count = 0; // Total number of scources compiled. |
| 38 | var host_compilations = 0; // Number of scources compiled through the API. |
| 39 | var eval_compilations = 0; // Number of scources compiled through eval. |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 40 | var mute_listener = false; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 41 | |
| 42 | function compileSource(source) { |
| 43 | current_source = source; |
| 44 | eval(current_source); |
| 45 | source_count++; |
| 46 | } |
| 47 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 48 | function safeEval(code) { |
| 49 | try { |
| 50 | mute_listener = true; |
| 51 | return eval('(' + code + ')'); |
| 52 | } catch (e) { |
| 53 | assertEquals(void 0, e); |
| 54 | return undefined; |
| 55 | } finally { |
| 56 | mute_listener = false; |
| 57 | } |
| 58 | } |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 59 | |
| 60 | function listener(event, exec_state, event_data, data) { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 61 | if (mute_listener) return; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 62 | try { |
| 63 | if (event == Debug.DebugEvent.BeforeCompile || |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 64 | event == Debug.DebugEvent.AfterCompile || |
| 65 | event == Debug.DebugEvent.CompileError) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 66 | // Count the events. |
| 67 | if (event == Debug.DebugEvent.BeforeCompile) { |
| 68 | before_compile_count++; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 69 | } else if (event == Debug.DebugEvent.AfterCompile) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 70 | after_compile_count++; |
| 71 | switch (event_data.script().compilationType()) { |
| 72 | case Debug.ScriptCompilationType.Host: |
| 73 | host_compilations++; |
| 74 | break; |
| 75 | case Debug.ScriptCompilationType.Eval: |
| 76 | eval_compilations++; |
| 77 | break; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 78 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 79 | } else { |
| 80 | compile_error_count++; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 81 | } |
| 82 | |
| 83 | // If the compiled source contains 'eval' there will be additional compile |
| 84 | // events for the source inside eval. |
| 85 | if (current_source.indexOf('eval') == 0) { |
| 86 | // For source with 'eval' there will be compile events with substrings |
| 87 | // as well as with with the exact source. |
| 88 | assertTrue(current_source.indexOf(event_data.script().source()) >= 0); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 89 | } else { |
| 90 | // For source without 'eval' there will be a compile events with the |
| 91 | // exact source. |
| 92 | assertEquals(current_source, event_data.script().source()); |
| 93 | } |
| 94 | // Check that script context is included into the event message. |
| 95 | var json = event_data.toJSONProtocol(); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 96 | var msg = safeEval(json); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 97 | assertTrue('context' in msg.body.script); |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 98 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 99 | // Check that we pick script name from //# sourceURL, iff present |
| 100 | if (event == Debug.DebugEvent.AfterCompile) { |
| 101 | assertEquals(current_source.indexOf('sourceURL') >= 0 ? |
| 102 | 'myscript.js' : undefined, |
| 103 | event_data.script().name()); |
| 104 | } |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 105 | } |
| 106 | } catch (e) { |
| 107 | exception = e |
| 108 | } |
| 109 | }; |
| 110 | |
| 111 | |
| 112 | // Add the debug event listener. |
| 113 | Debug.setListener(listener); |
| 114 | |
| 115 | // Compile different sources. |
| 116 | compileSource('a=1'); |
| 117 | compileSource('(function(){})'); |
| 118 | compileSource('eval("a=2")'); |
| 119 | source_count++; // Using eval causes additional compilation event. |
| 120 | compileSource('eval("eval(\'(function(){return a;})\')")'); |
| 121 | source_count += 2; // Using eval causes additional compilation event. |
Leon Clarke | 4515c47 | 2010-02-03 11:58:03 +0000 | [diff] [blame] | 122 | compileSource('JSON.parse(\'{"a":1,"b":2}\')'); |
Teng-Hui Zhu | 3e5fa29 | 2010-11-09 16:16:48 -0800 | [diff] [blame] | 123 | // Using JSON.parse does not causes additional compilation events. |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 124 | compileSource('x=1; //# sourceURL=myscript.js'); |
| 125 | |
| 126 | try { |
| 127 | compileSource('}'); |
| 128 | } catch(e) { |
| 129 | } |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 130 | |
| 131 | // Make sure that the debug event listener was invoked. |
| 132 | assertFalse(exception, "exception in listener") |
| 133 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 134 | // Number of before and after + error events should be the same. |
| 135 | assertEquals(before_compile_count, after_compile_count + compile_error_count); |
| 136 | assertEquals(compile_error_count, 1); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 137 | |
| 138 | // 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] | 139 | // source compiled through eval). |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 140 | assertEquals(source_count, after_compile_count); |
| 141 | assertEquals(0, host_compilations); |
Teng-Hui Zhu | 3e5fa29 | 2010-11-09 16:16:48 -0800 | [diff] [blame] | 142 | assertEquals(source_count, eval_compilations); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 143 | |
| 144 | Debug.setListener(null); |