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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 nop() {} | |
55 | |
56 | |
57 function stress() { | |
58 debugger; | |
59 | |
60 L: with ({x:12}) { | |
61 break L; | |
62 } | |
63 | |
64 | |
65 with ({x: 'outer'}) { | |
66 label: { | |
67 with ({x: 'inner'}) { | |
68 break label; | |
69 } | |
70 } | |
71 } | |
72 | |
73 | |
74 with ({x: 'outer'}) { | |
75 label: { | |
76 with ({x: 'inner'}) { | |
77 break label; | |
78 } | |
79 } | |
80 nop(); | |
81 } | |
82 | |
83 | |
84 with ({x: 'outer'}) { | |
85 label: { | |
86 with ({x: 'middle'}) { | |
87 with ({x: 'inner'}) { | |
88 break label; | |
89 } | |
90 } | |
91 } | |
92 } | |
93 | |
94 | |
95 with ({x: 'outer'}) { | |
96 label: { | |
97 with ({x: 'middle'}) { | |
98 with ({x: 'inner'}) { | |
99 break label; | |
100 } | |
101 } | |
102 } | |
103 nop(); | |
104 } | |
105 | |
106 | |
107 with ({x: 'outer'}) { | |
108 for (var i = 0; i < 3; ++i) { | |
109 with ({x: 'inner' + i}) { | |
110 continue; | |
111 } | |
112 } | |
113 } | |
114 | |
115 | |
116 with ({x: 'outer'}) { | |
117 label: for (var i = 0; i < 3; ++i) { | |
118 with ({x: 'middle' + i}) { | |
119 for (var j = 0; j < 3; ++j) { | |
120 with ({x: 'inner' + j}) { | |
121 continue label; | |
122 } | |
123 } | |
124 } | |
125 } | |
126 } | |
127 | |
128 | |
129 with ({x: 'outer'}) { | |
130 try { | |
131 with ({x: 'inner'}) { | |
132 throw 0; | |
133 } | |
134 } catch (e) { | |
135 } | |
136 } | |
137 | |
138 | |
139 with ({x: 'outer'}) { | |
140 try { | |
141 with ({x: 'inner'}) { | |
142 throw 0; | |
143 } | |
144 } catch (e) { | |
145 nop(); | |
146 } | |
147 } | |
148 | |
149 | |
150 with ({x: 'outer'}) { | |
151 try { | |
152 with ({x: 'middle'}) { | |
153 with ({x: 'inner'}) { | |
154 throw 0; | |
155 } | |
156 } | |
157 } catch (e) { | |
158 } | |
159 } | |
160 | |
161 | |
162 try { | |
163 with ({x: 'outer'}) { | |
164 try { | |
165 with ({x: 'inner'}) { | |
166 throw 0; | |
167 } | |
168 } finally { | |
169 } | |
170 } | |
171 } catch (e) { | |
172 } | |
173 | |
174 | |
175 try { | |
176 with ({x: 'outer'}) { | |
177 try { | |
178 with ({x: 'inner'}) { | |
179 throw 0; | |
180 } | |
181 } finally { | |
182 nop(); | |
183 } | |
184 } | |
185 } catch (e) { | |
186 } | |
187 | |
188 | |
189 function stress1() { | |
190 with ({x:12}) { | |
191 return x; | |
192 } | |
193 } | |
194 stress1(); | |
195 | |
196 | |
197 function stress2() { | |
198 with ({x: 'outer'}) { | |
199 with ({x: 'inner'}) { | |
200 return x; | |
201 } | |
202 } | |
203 } | |
204 stress2(); | |
205 | |
206 function stress3() { | |
207 try { | |
208 with ({x: 'inner'}) { | |
209 throw 0; | |
210 } | |
211 } catch (e) { | |
212 return e; | |
213 } | |
214 } | |
215 stress3(); | |
216 | |
217 | |
218 function stress4() { | |
219 try { | |
220 with ({x: 'inner'}) { | |
221 throw 0; | |
222 } | |
223 } catch (e) { | |
224 with ({x: 'inner'}) { | |
225 return e; | |
226 } | |
227 } | |
228 } | |
229 stress4(); | |
230 | |
231 } | |
232 stress(); | |
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