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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 --expose-natives-as=builtins | |
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 if (true) { | |
48 exec_state.prepareStep(Debug.StepAction.StepInMin, 1); | |
49 } | |
50 } | |
51 } | |
52 | |
53 Debug.setListener(listener); | |
54 | |
55 | |
56 function test1() { | |
57 debugger; | |
58 with ({x:1}) { | |
59 x = 2; | |
60 } | |
61 } | |
62 test1(); | |
63 | |
64 | |
65 function test2() { | |
66 if (true) { | |
67 with ({}) { | |
68 debugger; | |
69 } | |
70 } else { | |
71 with ({}) { | |
72 return 10; | |
73 } | |
74 } | |
75 } | |
76 test2(); | |
77 | |
78 | |
79 function test3() { | |
80 if (true) { | |
81 debugger; | |
82 } else { | |
83 with ({}) { | |
84 return 10; | |
85 } | |
86 } | |
87 } | |
88 test3(); | |
89 | |
90 | |
91 function test4() { | |
92 debugger; | |
93 with ({x:1}) x = 1 | |
94 } | |
95 test4(); | |
96 | |
97 | |
98 function test5() { | |
99 debugger; | |
100 var dummy = 1; | |
101 with ({}) { | |
102 with ({}) { | |
103 dummy = 2; | |
104 } | |
105 } | |
106 dummy = 3; | |
107 } | |
108 test5(); | |
109 | |
110 | |
111 function test6() { | |
112 debugger; | |
113 try { | |
114 throw 'stuff'; | |
115 } catch (e) { | |
116 e = 1; | |
117 } | |
118 } | |
119 test6(); | |
120 | |
121 | |
122 function test7() { | |
123 debugger; | |
124 function foo() {} | |
125 } | |
126 test7(); | |
127 | |
128 | |
129 function test8() { | |
130 debugger; | |
131 (function foo() {})(); | |
132 } | |
133 test8(); | |
134 | |
135 | |
136 function test10() { | |
137 debugger; | |
138 with ({}) { | |
139 return 10; | |
140 } | |
141 } | |
142 test10(); | |
143 | |
144 | |
145 function test11() { | |
146 debugger; | |
147 try { | |
148 throw 'stuff'; | |
149 } catch (e) { | |
150 return 10; | |
151 } | |
152 } | |
153 test11(); | |
154 | |
155 | |
156 var prefixes = [ | |
157 "debugger; ", | |
158 "if (false) { try { throw 0; } catch(x) { return x; } }; debugger; " ]; | |
159 | |
160 | |
161 // Return from function constructed with Function constructor. | |
162 var anon = 12; | |
163 for (var i = 0; i < prefixes.length; ++i) { | |
164 var pre = prefixes[i]; | |
165 Function(pre + "return 42")(); | |
166 Function(pre + "return 42 ")(); | |
167 Function(pre + "return 42;")(); | |
168 Function(pre + "return 42; ")(); | |
169 Function(pre + "return anon")(); | |
170 Function(pre + "return anon ")(); | |
171 Function(pre + "return anon;")(); | |
172 Function(pre + "return anon; ")(); | |
173 } | |
174 | |
175 | |
176 try { | |
177 with({}) { | |
178 debugger; | |
179 eval("{}$%:^"); | |
180 } | |
181 } catch(e) { | |
182 nop(); | |
183 } | |
184 | |
185 | |
186 function nop() {} | |
187 | |
188 | |
189 // With block as the last(!) statement in global code. | |
190 with ({}) { debugger; } | |
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