text: // Copyright 2012 the V8 project authors. All rights reserved.
  // Redistribution and use in source and binary forms, with or without
  // modification, are permitted provided that the following conditions are
  // met:
  //
  //     * Redistributions of source code must retain the above copyright
  //       notice, this list of conditions and the following disclaimer.
  //     * Redistributions in binary form must reproduce the above
  //       copyright notice, this list of conditions and the following
  //       disclaimer in the documentation and/or other materials provided
  //       with the distribution.
  //     * Neither the name of Google Inc. nor the names of its
  //       contributors may be used to endorse or promote products derived
  //       from this software without specific prior written permission.
  //
  // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  
  // Flags: --expose-gc
  
  Debug = debug.Debug
  
  var listenerComplete = false;
  var exceptionThrown = false;
  
  var testingConstructCall = false;
  
  var expected = [
    { locals: {i: 0, x0: 3, y0: 4, a0: 1, b0: 2},
      args: { names: ["i", "x0", "y0"], values: [0, 3, 4] } },
    { locals: {i: 1, x1: 5, y1: 6, a1: 3, b1: 4},
      args: { names: ["i", "x1", "y1"], values: [1, 5, 6] } },
    { locals: {i: 2, a2: 5, b2: 6},
      args: { names: ["i"], values: [2] } },
    { locals: {i: 3, x3: 9, y3: 10, z3: undefined, a3: 7, b3: 8},
      args: { names: ["i", "x3", "y3", "z3"], values: [3, 9, 10, undefined] } },
    { locals: {i: 4, x4: 11, y4: 12, a4: 9, b4: 10},
      args: { names: ["i", "x4", "y4"], values: [4, 11, 12] } }
  ];
  
  function listener(event, exec_state, event_data, data) {
    try {
      if (event == Debug.DebugEvent.Break)
      {
        assertEquals(6, exec_state.frameCount());
  
        for (var i = 0; i < exec_state.frameCount(); i++) {
          var frame = exec_state.frame(i);
          if (i < exec_state.frameCount() - 1) {
            var expected_args = expected[i].args;
            var expected_locals = expected[i].locals;
  
            // All frames except the bottom one have expected locals.
            var locals = {};
            for (var j = 0; j < frame.localCount(); j++) {
              locals[frame.localName(j)] = frame.localValue(j).value();
            }
            assertPropertiesEqual(expected_locals, locals);
  
            // All frames except the bottom one have three scopes.
            assertEquals(3, frame.scopeCount());
            assertEquals(debug.ScopeType.Local, frame.scope(0).scopeType());
            assertEquals(debug.ScopeType.Script, frame.scope(1).scopeType());
            assertEquals(debug.ScopeType.Global, frame.scope(2).scopeType());
  
            Object.keys(expected_locals).forEach(function (name) {
              assertEquals(expected_locals[name],
                           frame.scope(0).scopeObject().value()[name]);
            });
  
            for (var j = 0; j < expected_args.names.length; j++) {
              var arg_name = expected_args.names[j];
              var arg_value = expected_args.values[j];
              assertEquals(arg_value,
                           frame.scope(0).scopeObject().value()[arg_name]);
            }
  
            // Evaluate in the inlined frame.
            Object.keys(expected_locals).forEach(function (name) {
              assertEquals(expected_locals[name], frame.evaluate(name).value());
            });
  
            for (var j = 0; j < expected_args.names.length; j++) {
              var arg_name = expected_args.names[j];
              var arg_value = expected_args.values[j];
              assertEquals(arg_value, frame.evaluate(arg_name).value());
              assertEquals(arg_value, frame.evaluate('arguments['+j+']').value());
            }
          } else {
            // The bottom frame only have the script scope and the global scope.
            assertEquals(2, frame.scopeCount());
            assertEquals(debug.ScopeType.Script, frame.scope(0).scopeType());
            assertEquals(debug.ScopeType.Global, frame.scope(1).scopeType());
          }
  
          // Check the frame function.
          switch (i) {
            case 0: assertEquals("h", frame.func().name()); break;
            case 1: assertEquals("g3", frame.func().name()); break;
            case 2: assertEquals("g2", frame.func().name()); break;
            case 3: assertEquals("g1", frame.func().name()); break;
            case 4: assertEquals("f", frame.func().name()); break;
            case 5: break;
            default: assertUnreachable();
          }
        }
  
        // Indicate that all was processed.
        listenerComplete = true;
      }
    } catch (e) {
      exceptionThrown = true;
    };
  };
  
  for (var i = 0; i < 4; i++) f(expected.length - 1, 11, 12);
  %OptimizeFunctionOnNextCall(f);
  f(expected.length - 1, 11, 12);
  
  // Add the debug event listener.
  Debug.setListener(listener);
  
  function h(i, x0, y0) {
    var a0 = expected[i].locals.a0;
    var b0 = expected[i].locals.b0;
    debugger;  // Breakpoint.
    return a0 + b0;
  }
  
  function g3(i, x1, y1) {
    var a1 = expected[i].locals.a1;
    var b1 = expected[i].locals.b1;
    h(i - 1, a1, b1);
    return a1 + b1;
  }
  
  function g2(i) {
    var a2 = expected[i].locals.a2;
    var b2 = expected[i].locals.b2;
    g3(i - 1, a2, b2);
    return a2 + b2;
  }
  
  function g1(i, x3, y3, z3) {
    var a3 = expected[i].locals.a3;
    var b3 = expected[i].locals.b3;
    new g2(i - 1, a3, b3);
    return a3 + b3;
  }
  
  function f(i, x4, y4) {
    var a4 = expected[i].locals.a4;
    var b4 = expected[i].locals.b4;
    g1(i - 1, a4, b4);
    return a4 + b4;
  }
  
  // Test calling f normally and as a constructor.
  f(expected.length - 1, 11, 12);
  f(expected.length - 1, 11, 12, 0);
  testingConstructCall = true;
  new f(expected.length - 1, 11, 12);
  new f(expected.length - 1, 11, 12, 0);
  
  // Make sure that the debug event listener was invoked.
  assertFalse(exceptionThrown, "exception in listener");
  assertTrue(listenerComplete);
  
  // Throw away type information for next run.
  gc();
  
  Debug.setListener(null);
  