128faa982749c4aa9c090939453dea14bb118f613jkummerow@chromium.org// Copyright 2012 the V8 project authors. All rights reserved.
228faa982749c4aa9c090939453dea14bb118f613jkummerow@chromium.org// Redistribution and use in source and binary forms, with or without
328faa982749c4aa9c090939453dea14bb118f613jkummerow@chromium.org// modification, are permitted provided that the following conditions are
428faa982749c4aa9c090939453dea14bb118f613jkummerow@chromium.org// met:
528faa982749c4aa9c090939453dea14bb118f613jkummerow@chromium.org//
628faa982749c4aa9c090939453dea14bb118f613jkummerow@chromium.org//     * Redistributions of source code must retain the above copyright
728faa982749c4aa9c090939453dea14bb118f613jkummerow@chromium.org//       notice, this list of conditions and the following disclaimer.
828faa982749c4aa9c090939453dea14bb118f613jkummerow@chromium.org//     * Redistributions in binary form must reproduce the above
928faa982749c4aa9c090939453dea14bb118f613jkummerow@chromium.org//       copyright notice, this list of conditions and the following
1028faa982749c4aa9c090939453dea14bb118f613jkummerow@chromium.org//       disclaimer in the documentation and/or other materials provided
1128faa982749c4aa9c090939453dea14bb118f613jkummerow@chromium.org//       with the distribution.
1228faa982749c4aa9c090939453dea14bb118f613jkummerow@chromium.org//     * Neither the name of Google Inc. nor the names of its
1328faa982749c4aa9c090939453dea14bb118f613jkummerow@chromium.org//       contributors may be used to endorse or promote products derived
1428faa982749c4aa9c090939453dea14bb118f613jkummerow@chromium.org//       from this software without specific prior written permission.
1528faa982749c4aa9c090939453dea14bb118f613jkummerow@chromium.org//
1628faa982749c4aa9c090939453dea14bb118f613jkummerow@chromium.org// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
1728faa982749c4aa9c090939453dea14bb118f613jkummerow@chromium.org// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
1828faa982749c4aa9c090939453dea14bb118f613jkummerow@chromium.org// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
1928faa982749c4aa9c090939453dea14bb118f613jkummerow@chromium.org// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
2028faa982749c4aa9c090939453dea14bb118f613jkummerow@chromium.org// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
2128faa982749c4aa9c090939453dea14bb118f613jkummerow@chromium.org// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
2228faa982749c4aa9c090939453dea14bb118f613jkummerow@chromium.org// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
2328faa982749c4aa9c090939453dea14bb118f613jkummerow@chromium.org// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
2428faa982749c4aa9c090939453dea14bb118f613jkummerow@chromium.org// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
2528faa982749c4aa9c090939453dea14bb118f613jkummerow@chromium.org// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
2628faa982749c4aa9c090939453dea14bb118f613jkummerow@chromium.org// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
2728faa982749c4aa9c090939453dea14bb118f613jkummerow@chromium.org
2828faa982749c4aa9c090939453dea14bb118f613jkummerow@chromium.org// Flags: --expose-debug-as debug
2928faa982749c4aa9c090939453dea14bb118f613jkummerow@chromium.org
3028faa982749c4aa9c090939453dea14bb118f613jkummerow@chromium.orgDebug = debug.Debug;
3128faa982749c4aa9c090939453dea14bb118f613jkummerow@chromium.org
3228faa982749c4aa9c090939453dea14bb118f613jkummerow@chromium.orgvar exception = false;
3328faa982749c4aa9c090939453dea14bb118f613jkummerow@chromium.org
3428faa982749c4aa9c090939453dea14bb118f613jkummerow@chromium.orgfunction listener(event, exec_state, event_data, data) {
3528faa982749c4aa9c090939453dea14bb118f613jkummerow@chromium.org  try {
3628faa982749c4aa9c090939453dea14bb118f613jkummerow@chromium.org    if (event == Debug.DebugEvent.Break) {
3728faa982749c4aa9c090939453dea14bb118f613jkummerow@chromium.org      function lookup(name) {
3828faa982749c4aa9c090939453dea14bb118f613jkummerow@chromium.org        return exec_state.frame(0).evaluate(name).value();
3928faa982749c4aa9c090939453dea14bb118f613jkummerow@chromium.org      }
4028faa982749c4aa9c090939453dea14bb118f613jkummerow@chromium.org
4128faa982749c4aa9c090939453dea14bb118f613jkummerow@chromium.org      assertEquals(3, lookup("e"));
4228faa982749c4aa9c090939453dea14bb118f613jkummerow@chromium.org      assertEquals(4, lookup("f"));
4328faa982749c4aa9c090939453dea14bb118f613jkummerow@chromium.org      assertEquals(1, lookup("a"));
4428faa982749c4aa9c090939453dea14bb118f613jkummerow@chromium.org
4528faa982749c4aa9c090939453dea14bb118f613jkummerow@chromium.org      try {
4628faa982749c4aa9c090939453dea14bb118f613jkummerow@chromium.org        assertEquals(2, lookup("b"));
4728faa982749c4aa9c090939453dea14bb118f613jkummerow@chromium.org      } catch (e) {
4828faa982749c4aa9c090939453dea14bb118f613jkummerow@chromium.org        assertEquals("ReferenceError: b is not defined", e.toString());
4928faa982749c4aa9c090939453dea14bb118f613jkummerow@chromium.org      }
5028faa982749c4aa9c090939453dea14bb118f613jkummerow@chromium.org    }
5128faa982749c4aa9c090939453dea14bb118f613jkummerow@chromium.org  } catch (e) {
5228faa982749c4aa9c090939453dea14bb118f613jkummerow@chromium.org    exception = e.toString() + e.stack;
5328faa982749c4aa9c090939453dea14bb118f613jkummerow@chromium.org  }
5428faa982749c4aa9c090939453dea14bb118f613jkummerow@chromium.org}
5528faa982749c4aa9c090939453dea14bb118f613jkummerow@chromium.org
5628faa982749c4aa9c090939453dea14bb118f613jkummerow@chromium.orgDebug.setListener(listener);
5728faa982749c4aa9c090939453dea14bb118f613jkummerow@chromium.org
5828faa982749c4aa9c090939453dea14bb118f613jkummerow@chromium.orgfunction f(a, b) {
5928faa982749c4aa9c090939453dea14bb118f613jkummerow@chromium.org  var c = 3;
6028faa982749c4aa9c090939453dea14bb118f613jkummerow@chromium.org  function d(e, f) {
6128faa982749c4aa9c090939453dea14bb118f613jkummerow@chromium.org    var g = a;
6228faa982749c4aa9c090939453dea14bb118f613jkummerow@chromium.org    var h = c;
6328faa982749c4aa9c090939453dea14bb118f613jkummerow@chromium.org    debugger;
6428faa982749c4aa9c090939453dea14bb118f613jkummerow@chromium.org  }
6528faa982749c4aa9c090939453dea14bb118f613jkummerow@chromium.org
6628faa982749c4aa9c090939453dea14bb118f613jkummerow@chromium.org  return d;
6728faa982749c4aa9c090939453dea14bb118f613jkummerow@chromium.org}
6828faa982749c4aa9c090939453dea14bb118f613jkummerow@chromium.org
6928faa982749c4aa9c090939453dea14bb118f613jkummerow@chromium.orgf(1, 2)(3, 4);
7028faa982749c4aa9c090939453dea14bb118f613jkummerow@chromium.org
7128faa982749c4aa9c090939453dea14bb118f613jkummerow@chromium.orgassertFalse(exception);
72