1// Copyright 2013 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// Flags: --turbo-deoptimization
30
31Debug = debug.Debug
32
33var error = null;
34var test = 0;
35
36function check_v(expected, exec_state, frame_id) {
37  assertEquals(expected, exec_state.frame(frame_id).evaluate('v').value());
38}
39
40function listener(event, exec_state, event_data, data) {
41  try {
42    if (event != Debug.DebugEvent.Break) return;
43    test++;
44    if (test == 1) {
45      check_v('inner0', exec_state, 0);
46      check_v('inner0', exec_state, 1);
47      check_v('outer',  exec_state, 2);
48      assertArrayEquals(["a", "b", "c"],
49                        exec_state.frame(0).evaluate('arguments').value());
50    } else if (test == 2) {
51      check_v('inner1', exec_state, 0);
52      check_v('inner1', exec_state, 1);
53      check_v('outer',  exec_state, 2);
54      assertArrayEquals(["a", "b", "c"],
55                        exec_state.frame(0).evaluate('arguments').value());
56    } else {
57      assertEquals(3, test);
58      check_v('inner2', exec_state, 0);
59      check_v('inner1', exec_state, 1);
60      check_v('inner1', exec_state, 2);
61      check_v('outer',  exec_state, 3);
62      assertArrayEquals(["x", "y", "z"],
63                        exec_state.frame(0).evaluate('arguments').value());
64      assertArrayEquals(["a", "b", "c"],
65                        exec_state.frame(1).evaluate('arguments').value());
66    }
67  } catch (e) {
68    error = e;
69  }
70};
71
72Debug.setListener(listener);
73
74var v = 'outer';
75(function() {  // Test 1 and 2
76  var v = 'inner0';
77  eval("debugger; var v = 'inner1'; debugger;");
78  assertEquals('inner1', v);  // Overwritten by local eval.
79})("a", "b", "c");
80assertNull(error);
81
82(function() {  // Test 3
83  var v = 'inner0';  // Local eval overwrites this value.
84  eval("var v = 'inner1'; " +
85       "(function() { var v = 'inner2'; debugger; })('x', 'y', 'z');");
86  assertEquals('inner1', v);  // Overwritten by local eval.
87})("a", "b", "c");
88assertNull(error);
89