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
55var q = 42;
56var prefixes = [
57  "debugger; ",
58  "if (false) { try { throw 0; } catch(x) { this.x = x; } }; debugger; " ];
59var bodies = [ "1",
60               "1 ",
61               "1;",
62               "1; ",
63               "q",
64               "q ",
65               "q;",
66               "q; ",
67               "try { throw 'stuff' } catch (e) { e = 1; }",
68               "try { throw 'stuff' } catch (e) { e = 1; } ",
69               "try { throw 'stuff' } catch (e) { e = 1; };",
70               "try { throw 'stuff' } catch (e) { e = 1; }; " ];
71
72
73// Test global eval and function constructor.
74for (var i = 0; i < prefixes.length; ++i) {
75  var pre = prefixes[i];
76  for (var j = 0; j < bodies.length; ++j) {
77    var body = bodies[j];
78    eval(pre + body);
79  }
80}
81