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| 1 // Copyright 2008 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 // Simple function which stores the last debug event. | |
| 33 var listenerComplete = false; | |
| 34 var exception = false; | |
| 35 var f_script_id = 0; | |
| 36 var g_script_id = 0; | |
| 37 var h_script_id = 0; | |
| 38 var f_line = 0; | |
| 39 var g_line = 0; | |
| 40 var h_line = 0; | |
| 41 | |
| 42 function listener(event, exec_state, event_data, data) { | |
| 43 try { | |
| 44 if (event == Debug.DebugEvent.Break) { | |
| 45 Debug.setBreakPoint(exec_state.evaluateGlobal("f").value()); | |
| 46 Debug.setBreakPoint(exec_state.evaluateGlobal("h").value()); | |
| 47 Debug.setBreakPoint(exec_state.evaluateGlobal("f").value(), 1); | |
| 48 Debug.setBreakPoint(exec_state.evaluateGlobal("f").value(), 1); | |
| 49 Debug.setBreakPoint(exec_state.evaluateGlobal("f").value(), | |
| 50 undefined, undefined, "i == 1"); | |
| 51 | |
| 52 Debug.setScriptBreakPointByName("test"); | |
| 53 Debug.setScriptBreakPointByName("test", 1); | |
| 54 Debug.setScriptBreakPointByName("test", 1, 1); | |
| 55 | |
| 56 Debug.setScriptBreakPointByName(f_script_id, f_line); | |
| 57 Debug.setScriptBreakPointByName(g_script_id, g_line); | |
| 58 Debug.setScriptBreakPointByName(h_script_id, h_line); | |
| 59 | |
| 60 // Indicate that all was processed. | |
| 61 listenerComplete = true; | |
| 62 } | |
| 63 } catch (e) { | |
| 64 exception = e | |
| 65 }; | |
| 66 }; | |
| 67 | |
| 68 // Add the debug event listener. | |
| 69 Debug.setListener(listener); | |
| 70 | |
| 71 function f() { | |
| 72 a=1 | |
| 73 }; | |
| 74 | |
| 75 function g() { | |
| 76 // Comment. | |
| 77 f(); | |
| 78 }; | |
| 79 | |
| 80 eval('function h(){}'); | |
| 81 eval('function sourceUrlFunc() { a = 2; }\n//# sourceURL=sourceUrlScript'); | |
| 82 | |
| 83 o = {a:function(){},b:function(){}} | |
| 84 | |
| 85 // Check the script ids for the test functions. | |
| 86 f_script_id = Debug.findScript(f).id; | |
| 87 g_script_id = Debug.findScript(g).id; | |
| 88 h_script_id = Debug.findScript(h).id; | |
| 89 sourceURL_script_id = Debug.findScript(sourceUrlFunc).id; | |
| 90 | |
| 91 assertTrue(f_script_id > 0, "invalid script id for f"); | |
| 92 assertTrue(g_script_id > 0, "invalid script id for g"); | |
| 93 assertTrue(h_script_id > 0, "invalid script id for h"); | |
| 94 assertTrue(sourceURL_script_id > 0, "invalid script id for sourceUrlFunc"); | |
| 95 assertEquals(f_script_id, g_script_id); | |
| 96 | |
| 97 // Get the source line for the test functions. | |
| 98 f_line = Debug.findFunctionSourceLocation(f).line; | |
| 99 g_line = Debug.findFunctionSourceLocation(g).line; | |
| 100 h_line = Debug.findFunctionSourceLocation(h).line; | |
| 101 assertTrue(f_line > 0, "invalid line for f"); | |
| 102 assertTrue(g_line > 0, "invalid line for g"); | |
| 103 assertTrue(f_line < g_line); | |
| 104 assertEquals(h_line, 0, "invalid line for h"); | |
| 105 | |
| 106 // Set a break point and call to invoke the debug event listener. | |
| 107 Debug.setBreakPoint(g, 0, 0); | |
| 108 g(); | |
| 109 | |
| 110 // Make sure that the debug event listener was invoked. | |
| 111 assertTrue(listenerComplete, "listener did not run to completion: " + exception)
; | |
| 112 | |
| 113 // Try setting breakpoint by url specified in sourceURL | |
| 114 | |
| 115 var breakListenerCalled = false; | |
| 116 | |
| 117 function breakListener(event) { | |
| 118 if (event == Debug.DebugEvent.Break) | |
| 119 breakListenerCalled = true; | |
| 120 } | |
| 121 | |
| 122 Debug.setBreakPoint(sourceUrlFunc); | |
| 123 | |
| 124 Debug.setListener(breakListener); | |
| 125 | |
| 126 sourceUrlFunc(); | |
| 127 | |
| 128 assertTrue(breakListenerCalled, "Break listener not called on breakpoint set by
sourceURL"); | |
| 129 | |
| 130 | |
| 131 // Breakpoint in a script with no statements test case. If breakpoint is set | |
| 132 // to the script body, its actual position is taken from the nearest statement | |
| 133 // below or like in this case is reset to the very end of the script. | |
| 134 // Unless some precautions made, this position becomes out-of-range and | |
| 135 // we get an exception. | |
| 136 | |
| 137 // Gets a script of 'i1' function and sets the breakpoint at line #4 which | |
| 138 // should be empty. | |
| 139 function SetBreakpointInI1Script() { | |
| 140 var i_script = Debug.findScript(i1); | |
| 141 assertTrue(!!i_script, "invalid script for i1"); | |
| 142 Debug.setScriptBreakPoint(Debug.ScriptBreakPointType.ScriptId, | |
| 143 i_script.id, 4); | |
| 144 } | |
| 145 | |
| 146 // Creates the eval script and tries to set the breakpoint. | |
| 147 // The tricky part is that the script function must be strongly reachable at the | |
| 148 // moment. Since there's no way of simply getting the pointer to the function, | |
| 149 // we run this code while the script function is being activated on stack. | |
| 150 eval('SetBreakpointInI1Script()\nfunction i1(){}\n\n\n\nfunction i2(){}\n'); | |
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