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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 debug event handler which counts the number of breaks hit and steps. | |
33 var break_break_point_hit_count = 0; | |
34 function listener(event, exec_state, event_data, data) { | |
35 if (event == Debug.DebugEvent.Break) { | |
36 break_break_point_hit_count++; | |
37 // Continue stepping until returned to bottom frame. | |
38 if (exec_state.frameCount() > 1) { | |
39 exec_state.prepareStep(Debug.StepAction.StepIn); | |
40 } | |
41 } | |
42 }; | |
43 | |
44 // Add the debug event listener. | |
45 Debug.setListener(listener); | |
46 | |
47 // Use 'eval' to ensure that the call to print is through CodeStub CallFunction. | |
48 // See Ia32CodeGenerator::VisitCall and Ia32CodeGenerator::CallWithArguments. | |
49 function f() { | |
50 debugger; | |
51 eval(''); | |
52 print('Hello, world!'); | |
53 }; | |
54 | |
55 break_break_point_hit_count = 0; | |
56 f(); | |
57 assertEquals(6, break_break_point_hit_count); | |
58 | |
59 // Use an inner function to ensure that the function call is through CodeStub | |
60 // CallFunction see Ia32CodeGenerator::VisitCall and | |
61 // Ia32CodeGenerator::CallWithArguments. | |
62 function g() { | |
63 function h() {} | |
64 debugger; | |
65 h(); | |
66 }; | |
67 | |
68 break_break_point_hit_count = 0; | |
69 g(); | |
70 assertEquals(5, break_break_point_hit_count); | |
71 | |
72 | |
73 // Use an inner function to ensure that the function call is through CodeStub | |
74 // CallFunction. | |
75 function testCallInExpreesion() { | |
76 function h() {} | |
77 debugger; | |
78 var x = 's' + h(10, 20); | |
79 }; | |
80 | |
81 break_break_point_hit_count = 0; | |
82 testCallInExpreesion(); | |
83 assertEquals(5, break_break_point_hit_count); | |
84 | |
85 | |
86 // Get rid of the debug event listener. | |
87 Debug.setListener(null); | |
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