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
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    exec_state.prepareStep(Debug.StepAction.StepIn);
48  }
49}
50
51Debug.setListener(listener);
52
53var q = 42;
54var prefixes = [
55    "debugger; ",
56    "if (false) { try { throw 0; } catch(x) { this.x = x; } }; debugger; " ];
57var with_bodies = [ "with ({}) {}",
58                    "with ({x:1}) x",
59                    "with ({x:1}) x = 1",
60                    "with ({x:1}) x ",
61                    "with ({x:1}) x = 1 ",
62                    "with ({x:1}) x;",
63                    "with ({x:1}) x = 1;",
64                    "with ({x:1}) x; ",
65                    "with ({x:1}) x = 1; " ];
66
67
68function test9() {
69  debugger;
70  for (var i = 0; i < prefixes.length; ++i) {
71    var pre = prefixes[i];
72    for (var j = 0; j < with_bodies.length; ++j) {
73      var body = with_bodies[j];
74      eval(pre + body);
75    }
76  }
77}
78test9();
79