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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 nop() {} | |
57 | |
58 | |
59 function stress() { | |
60 debugger; | |
61 | |
62 L: with ({x:12}) { | |
63 break L; | |
64 } | |
65 | |
66 | |
67 with ({x: 'outer'}) { | |
68 label: { | |
69 with ({x: 'inner'}) { | |
70 break label; | |
71 } | |
72 } | |
73 } | |
74 | |
75 | |
76 with ({x: 'outer'}) { | |
77 label: { | |
78 with ({x: 'inner'}) { | |
79 break label; | |
80 } | |
81 } | |
82 nop(); | |
83 } | |
84 | |
85 | |
86 with ({x: 'outer'}) { | |
87 label: { | |
88 with ({x: 'middle'}) { | |
89 with ({x: 'inner'}) { | |
90 break label; | |
91 } | |
92 } | |
93 } | |
94 } | |
95 | |
96 | |
97 with ({x: 'outer'}) { | |
98 label: { | |
99 with ({x: 'middle'}) { | |
100 with ({x: 'inner'}) { | |
101 break label; | |
102 } | |
103 } | |
104 } | |
105 nop(); | |
106 } | |
107 | |
108 | |
109 with ({x: 'outer'}) { | |
110 for (var i = 0; i < 3; ++i) { | |
111 with ({x: 'inner' + i}) { | |
112 continue; | |
113 } | |
114 } | |
115 } | |
116 | |
117 | |
118 with ({x: 'outer'}) { | |
119 label: for (var i = 0; i < 3; ++i) { | |
120 with ({x: 'middle' + i}) { | |
121 for (var j = 0; j < 3; ++j) { | |
122 with ({x: 'inner' + j}) { | |
123 continue label; | |
124 } | |
125 } | |
126 } | |
127 } | |
128 } | |
129 | |
130 | |
131 with ({x: 'outer'}) { | |
132 try { | |
133 with ({x: 'inner'}) { | |
134 throw 0; | |
135 } | |
136 } catch (e) { | |
137 } | |
138 } | |
139 | |
140 | |
141 with ({x: 'outer'}) { | |
142 try { | |
143 with ({x: 'inner'}) { | |
144 throw 0; | |
145 } | |
146 } catch (e) { | |
147 nop(); | |
148 } | |
149 } | |
150 | |
151 | |
152 with ({x: 'outer'}) { | |
153 try { | |
154 with ({x: 'middle'}) { | |
155 with ({x: 'inner'}) { | |
156 throw 0; | |
157 } | |
158 } | |
159 } catch (e) { | |
160 } | |
161 } | |
162 | |
163 | |
164 try { | |
165 with ({x: 'outer'}) { | |
166 try { | |
167 with ({x: 'inner'}) { | |
168 throw 0; | |
169 } | |
170 } finally { | |
171 } | |
172 } | |
173 } catch (e) { | |
174 } | |
175 | |
176 | |
177 try { | |
178 with ({x: 'outer'}) { | |
179 try { | |
180 with ({x: 'inner'}) { | |
181 throw 0; | |
182 } | |
183 } finally { | |
184 nop(); | |
185 } | |
186 } | |
187 } catch (e) { | |
188 } | |
189 | |
190 | |
191 function stress1() { | |
192 with ({x:12}) { | |
193 return x; | |
194 } | |
195 } | |
196 stress1(); | |
197 | |
198 | |
199 function stress2() { | |
200 with ({x: 'outer'}) { | |
201 with ({x: 'inner'}) { | |
202 return x; | |
203 } | |
204 } | |
205 } | |
206 stress2(); | |
207 | |
208 function stress3() { | |
209 try { | |
210 with ({x: 'inner'}) { | |
211 throw 0; | |
212 } | |
213 } catch (e) { | |
214 return e; | |
215 } | |
216 } | |
217 stress3(); | |
218 | |
219 | |
220 function stress4() { | |
221 try { | |
222 with ({x: 'inner'}) { | |
223 throw 0; | |
224 } | |
225 } catch (e) { | |
226 with ({x: 'inner'}) { | |
227 return e; | |
228 } | |
229 } | |
230 } | |
231 stress4(); | |
232 | |
233 } | |
234 stress(); | |
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