regress-1639-2.js revision 592a9fc1d8ea420377a2e7efd0600e20b058be2b 
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// Get the Debug object exposed from the debug context global object.
30Debug = debug.Debug
31
32function sendCommand(state, cmd) {
33  // Get the debug command processor in paused state.
34  var dcp = state.debugCommandProcessor(false);
35  var request = JSON.stringify(cmd);
36  var response = dcp.processDebugJSONRequest(request);
37}
38
39var state = 0;
40
41function listener(event, exec_state, event_data, data) {
42  try {
43    if (event == Debug.DebugEvent.Break) {
44      var line = event_data.sourceLineText();
45      print('break: ' + line);
46      print('event data: ' + event_data.toJSONProtocol());
47      print();
48      assertEquals('// BREAK', line.substr(-8),
49                   "should not break outside evaluate");
50
51      switch (state) {
52      case 0:
53        state = 1;
54        // While in the debugger and stepping through a set of instructions
55        // executed in the evaluate command, the stepping must stop at the end
56        // of the said set of instructions and not step further into native
57        // debugger code.
58        sendCommand(exec_state, {
59          seq : 0,
60          type : "request",
61          command : "evaluate",
62          arguments : {
63            'expression' : 'print("A"); debugger; print("B"); // BREAK',
64            'global' : true
65          }
66        });
67        break;
68      case 1:
69        sendCommand(exec_state, {
70          seq : 0,
71          type : "request",
72          command : "continue",
73          arguments : {
74            stepaction : "next"
75          }
76        });
77        break;
78      }
79    }
80  } catch (e) {
81    print(e);
82  }
83}
84
85// Add the debug event listener.
86Debug.setListener(listener);
87
88function a() {
89} // BREAK
90
91// Set a break point and call to invoke the debug event listener.
92Debug.setBreakPoint(a, 0, 0);
93a();
94