18e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project/* 28e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * Copyright (C) 2008 Apple Inc. All rights reserved. 38e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 48e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * Redistribution and use in source and binary forms, with or without 58e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * modification, are permitted provided that the following conditions 68e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * are met: 78e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 88e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 1. Redistributions of source code must retain the above copyright 98e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * notice, this list of conditions and the following disclaimer. 108e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 2. Redistributions in binary form must reproduce the above copyright 118e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * notice, this list of conditions and the following disclaimer in the 128e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * documentation and/or other materials provided with the distribution. 138e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of 148e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * its contributors may be used to endorse or promote products derived 158e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * from this software without specific prior written permission. 168e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 178e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY 188e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 198e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 208e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY 218e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 228e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 238e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 248e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 258e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 268e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 278e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project */ 288e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 298e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#ifndef LabelScope_h 308e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#define LabelScope_h 318e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 328e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include <wtf/PassRefPtr.h> 33635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project#include "Label.h" 348e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 358e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Projectnamespace JSC { 368e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 378e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project class Identifier; 388e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 398e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project class LabelScope { 408e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project public: 418e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project enum Type { Loop, Switch, NamedLabel }; 428e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 43635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project LabelScope(Type type, const Identifier* name, int scopeDepth, PassRefPtr<Label> breakTarget, PassRefPtr<Label> continueTarget) 448e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project : m_refCount(0) 458e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project , m_type(type) 468e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project , m_name(name) 478e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project , m_scopeDepth(scopeDepth) 488e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project , m_breakTarget(breakTarget) 498e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project , m_continueTarget(continueTarget) 508e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project { 518e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project } 528e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 538e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project void ref() { ++m_refCount; } 548e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project void deref() 558e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project { 568e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project --m_refCount; 578e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project ASSERT(m_refCount >= 0); 588e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project } 598e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project int refCount() const { return m_refCount; } 608e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 61635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project Label* breakTarget() const { return m_breakTarget.get(); } 62635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project Label* continueTarget() const { return m_continueTarget.get(); } 638e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 648e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project Type type() const { return m_type; } 658e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project const Identifier* name() const { return m_name; } 668e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project int scopeDepth() const { return m_scopeDepth; } 678e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 688e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project private: 698e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project int m_refCount; 708e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project Type m_type; 718e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project const Identifier* m_name; 728e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project int m_scopeDepth; 73635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project RefPtr<Label> m_breakTarget; 74635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project RefPtr<Label> m_continueTarget; 758e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project }; 768e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 778e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} // namespace JSC 788e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 798e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#endif // LabelScope_h 80