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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 listenerComplete = false; | |
33 exception = false; | |
34 | |
35 | |
36 function h() { | |
37 var a = 1; | |
38 var b = 2; | |
39 var eval = 5; // Overriding eval should not break anything. | |
40 debugger; // Breakpoint. | |
41 return a; | |
42 } | |
43 | |
44 function checkFrame0(frame) { | |
45 // Frame 0 (h) has normal variables a and b. | |
46 var count = frame.localCount(); | |
47 assertEquals(3, count); | |
48 for (var i = 0; i < count; ++i) { | |
49 var name = frame.localName(i); | |
50 var value = frame.localValue(i).value(); | |
51 if (name == 'a') { | |
52 assertEquals(1, value); | |
53 } else if (name !='eval') { | |
54 assertEquals('b', name); | |
55 assertEquals(2, value); | |
56 } | |
57 } | |
58 } | |
59 | |
60 | |
61 function g() { | |
62 var a = 3; | |
63 eval("var b = 4;"); | |
64 return h() + a; | |
65 } | |
66 | |
67 function checkFrame1(frame) { | |
68 // Frame 1 (g) has normal variable a (and arguments). | |
69 var count = frame.localCount(); | |
70 assertEquals(2, count); | |
71 for (var i = 0; i < count; ++i) { | |
72 var name = frame.localName(i); | |
73 var value = frame.localValue(i).value(); | |
74 if (name == 'a') { | |
75 assertEquals(3, value); | |
76 } else { | |
77 assertEquals('arguments', name); | |
78 } | |
79 } | |
80 } | |
81 | |
82 | |
83 function f() { | |
84 var a = 5; | |
85 var b = 0; | |
86 with ({b:6}) { | |
87 return g(); | |
88 } | |
89 } | |
90 | |
91 function checkFrame2(frame) { | |
92 // Frame 2 (f) has normal variables a and b. | |
93 var count = frame.localCount(); | |
94 assertEquals(2, count); | |
95 for (var i = 0; i < count; ++i) { | |
96 var name = frame.localName(i); | |
97 var value = frame.localValue(i).value(); | |
98 if (name == 'a') { | |
99 assertEquals(5, value); | |
100 } else { | |
101 assertEquals('b', name); | |
102 assertEquals(0, value); | |
103 } | |
104 } | |
105 } | |
106 | |
107 | |
108 function listener(event, exec_state, event_data, data) { | |
109 try { | |
110 if (event == Debug.DebugEvent.Break) | |
111 { | |
112 checkFrame0(exec_state.frame(0)); | |
113 checkFrame1(exec_state.frame(1)); | |
114 checkFrame2(exec_state.frame(2)); | |
115 | |
116 assertEquals(1, exec_state.frame(0).evaluate('a').value()); | |
117 assertEquals(2, exec_state.frame(0).evaluate('b').value()); | |
118 assertEquals(5, exec_state.frame(0).evaluate('eval').value()); | |
119 assertEquals(3, exec_state.frame(1).evaluate('a').value()); | |
120 assertEquals(4, exec_state.frame(1).evaluate('b').value()); | |
121 assertEquals("function", | |
122 typeof exec_state.frame(1).evaluate('eval').value()); | |
123 assertEquals(5, exec_state.frame(2).evaluate('a').value()); | |
124 assertEquals(6, exec_state.frame(2).evaluate('b').value()); | |
125 assertEquals("function", | |
126 typeof exec_state.frame(2).evaluate('eval').value()); | |
127 assertEquals("foo", | |
128 exec_state.frame(0).evaluate('a = "foo"').value()); | |
129 assertEquals("bar", | |
130 exec_state.frame(1).evaluate('a = "bar"').value()); | |
131 // Indicate that all was processed. | |
132 listenerComplete = true; | |
133 } | |
134 } catch (e) { | |
135 exception = e; | |
136 print("Caught something. " + e + " " + e.stack); | |
137 }; | |
138 }; | |
139 | |
140 // Add the debug event listener. | |
141 Debug.setListener(listener); | |
142 | |
143 var f_result = f(); | |
144 | |
145 assertEquals("foobar", f_result); | |
146 | |
147 // Make sure that the debug event listener was invoked. | |
148 assertFalse(exception, "exception in listener") | |
149 assertTrue(listenerComplete); | |
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