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1 // Copyright 2011 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 | |
30 // Check that the ScopeIterator can properly recreate the scope at | |
31 // every point when stepping through functions. | |
32 | |
33 var Debug = debug.Debug; | |
34 | |
35 function listener(event, exec_state, event_data, data) { | |
36 if (event == Debug.DebugEvent.Break) { | |
37 // Access scope details. | |
38 var scope_count = exec_state.frame().scopeCount(); | |
39 for (var i = 0; i < scope_count; i++) { | |
40 var scope = exec_state.frame().scope(i); | |
41 // assertTrue(scope.isScope()); | |
42 scope.scopeType(); | |
43 scope.scopeObject(); | |
44 } | |
45 | |
46 // Do steps until we reach the global scope again. | |
47 exec_state.prepareStep(Debug.StepAction.StepIn); | |
48 } | |
49 } | |
50 | |
51 Debug.setListener(listener); | |
52 | |
53 | |
54 function test1() { | |
55 debugger; | |
56 with ({x:1}) { | |
57 x = 2; | |
58 } | |
59 } | |
60 test1(); | |
61 | |
62 | |
63 function test2() { | |
64 if (true) { | |
65 with ({}) { | |
66 debugger; | |
67 } | |
68 } else { | |
69 with ({}) { | |
70 return 10; | |
71 } | |
72 } | |
73 } | |
74 test2(); | |
75 | |
76 | |
77 function test3() { | |
78 if (true) { | |
79 debugger; | |
80 } else { | |
81 with ({}) { | |
82 return 10; | |
83 } | |
84 } | |
85 } | |
86 test3(); | |
87 | |
88 | |
89 function test4() { | |
90 debugger; | |
91 with ({x:1}) x = 1 | |
92 } | |
93 test4(); | |
94 | |
95 | |
96 function test5() { | |
97 debugger; | |
98 var dummy = 1; | |
99 with ({}) { | |
100 with ({}) { | |
101 dummy = 2; | |
102 } | |
103 } | |
104 dummy = 3; | |
105 } | |
106 test5(); | |
107 | |
108 | |
109 function test6() { | |
110 debugger; | |
111 try { | |
112 throw 'stuff'; | |
113 } catch (e) { | |
114 e = 1; | |
115 } | |
116 } | |
117 test6(); | |
118 | |
119 | |
120 function test7() { | |
121 debugger; | |
122 function foo() {} | |
123 } | |
124 test7(); | |
125 | |
126 | |
127 function test8() { | |
128 debugger; | |
129 (function foo() {})(); | |
130 } | |
131 test8(); | |
132 | |
133 | |
134 function test10() { | |
135 debugger; | |
136 with ({}) { | |
137 return 10; | |
138 } | |
139 } | |
140 test10(); | |
141 | |
142 | |
143 function test11() { | |
144 debugger; | |
145 try { | |
146 throw 'stuff'; | |
147 } catch (e) { | |
148 return 10; | |
149 } | |
150 } | |
151 test11(); | |
152 | |
153 | |
154 var prefixes = [ | |
155 "debugger; ", | |
156 "if (false) { try { throw 0; } catch(x) { return x; } }; debugger; " ]; | |
157 | |
158 | |
159 // Return from function constructed with Function constructor. | |
160 var anon = 12; | |
161 for (var i = 0; i < prefixes.length; ++i) { | |
162 var pre = prefixes[i]; | |
163 Function(pre + "return 42")(); | |
164 Function(pre + "return 42 ")(); | |
165 Function(pre + "return 42;")(); | |
166 Function(pre + "return 42; ")(); | |
167 Function(pre + "return anon")(); | |
168 Function(pre + "return anon ")(); | |
169 Function(pre + "return anon;")(); | |
170 Function(pre + "return anon; ")(); | |
171 } | |
172 | |
173 | |
174 try { | |
175 with({}) { | |
176 debugger; | |
177 eval("{}$%:^"); | |
178 } | |
179 } catch(e) { | |
180 nop(); | |
181 } | |
182 | |
183 | |
184 function nop() {} | |
185 | |
186 | |
187 // With block as the last(!) statement in global code. | |
188 with ({}) { debugger; } | |
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