| // Copyright 2011 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-debug-as debug --allow-natives-syntax --noparallel-recompilation |
| |
| // This test tests that deoptimization due to debug breaks works for |
| // inlined functions where the full-code is generated before the |
| // debugger is attached. |
| // |
| //See http://code.google.com/p/chromium/issues/detail?id=105375 |
| |
| // Get the Debug object exposed from the debug context global object. |
| Debug = debug.Debug; |
| |
| var count = 0; |
| var break_count = 0; |
| |
| // Debug event listener which sets a breakpoint first time it is hit |
| // and otherwise counts break points hit and checks that the expected |
| // state is reached. |
| function listener(event, exec_state, event_data, data) { |
| if (event == Debug.DebugEvent.Break) { |
| break_count++; |
| if (break_count == 1) { |
| Debug.setBreakPoint(g, 3); |
| |
| for (var i = 0; i < exec_state.frameCount(); i++) { |
| var frame = exec_state.frame(i); |
| // When function f is optimized (1 means YES, see runtime.cc) we |
| // expect an optimized frame for f and g. |
| if (%GetOptimizationStatus(f) == 1) { |
| if (i == 1) { |
| assertTrue(frame.isOptimizedFrame()); |
| assertTrue(frame.isInlinedFrame()); |
| assertEquals(4 - i, frame.inlinedFrameIndex()); |
| } else if (i == 2) { |
| assertTrue(frame.isOptimizedFrame()); |
| assertFalse(frame.isInlinedFrame()); |
| } else { |
| assertFalse(frame.isOptimizedFrame()); |
| assertFalse(frame.isInlinedFrame()); |
| } |
| } |
| } |
| } |
| } |
| } |
| |
| function f() { |
| g(); |
| } |
| |
| function g() { |
| count++; |
| h(); |
| var b = 1; // Break point is set here. |
| } |
| |
| function h() { |
| debugger; |
| } |
| |
| f();f();f(); |
| %OptimizeFunctionOnNextCall(f); |
| f(); |
| |
| // Add the debug event listener. |
| Debug.setListener(listener); |
| |
| f(); |
| |
| assertEquals(5, count); |
| assertEquals(2, break_count); |
| |
| // Get rid of the debug event listener. |
| Debug.setListener(null); |