1// Copyright 2012 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// Get the Debug object exposed from the debug context global object.
30Debug = debug.Debug
31var exception = false;
32
33function sendCommand(state, cmd) {
34  // Get the debug command processor in paused state.
35  var dcp = state.debugCommandProcessor(false);
36  var request = JSON.stringify(cmd);
37  var response = dcp.processDebugJSONRequest(request);
38}
39
40var state = 0;
41
42function listener(event, exec_state, event_data, data) {
43  try {
44    if (event == Debug.DebugEvent.Break) {
45      var line = event_data.sourceLineText();
46      print('break: ' + line);
47      print('event data: ' + event_data.toJSONProtocol());
48      print();
49      assertEquals('// BREAK', line.substr(-8),
50                   "should not break outside evaluate");
51
52      switch (state) {
53      case 0:
54        state = 1;
55        // While in the debugger and stepping through a set of instructions
56        // executed in the evaluate command, the stepping must stop at the end
57        // of the said set of instructions and not step further into native
58        // debugger code.
59        sendCommand(exec_state, {
60          seq : 0,
61          type : "request",
62          command : "evaluate",
63          arguments : {
64            'expression' : 'print("A"); debugger; print("B"); // BREAK',
65            'global' : true
66          }
67        });
68        break;
69      case 1:
70        sendCommand(exec_state, {
71          seq : 0,
72          type : "request",
73          command : "continue",
74          arguments : {
75            stepaction : "next"
76          }
77        });
78        break;
79      }
80    }
81  } catch (e) {
82    print(e);
83    exception = true;
84  }
85}
86
87// Add the debug event listener.
88Debug.setListener(listener);
89
90function a() {
91} // BREAK
92
93// Set a break point and call to invoke the debug event listener.
94Debug.setBreakPoint(a, 0, 0);
95a();
96assertFalse(exception);
97