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Edit File: debug-break-inline.js
// 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 // 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);