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
33var Debug = debug.Debug;
34
35function 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
53Debug.setListener(listener);
54
55
56function nop() {}
57
58
59function 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}
234stress();
235