/* * Copyright (c) 2008, Google Inc. * 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. */ #ifndef ScriptState_h #define ScriptState_h #include #include namespace JSC { class ExecState; class JSGlobalObject; } namespace WebCore { class DOMWrapperWorld; class Frame; class Node; class Page; // The idea is to expose "state-like" methods (hadException, and any other // methods where ExecState just dips into globalData) of JSC::ExecState as a // separate abstraction. // For now, the separation is purely by convention. typedef JSC::ExecState ScriptState; class ScriptStateProtectedPtr { WTF_MAKE_NONCOPYABLE(ScriptStateProtectedPtr); public: explicit ScriptStateProtectedPtr(ScriptState*); ~ScriptStateProtectedPtr(); ScriptState* get() const; private: JSC::ProtectedPtr m_globalObject; }; ScriptState* mainWorldScriptState(Frame*); ScriptState* scriptStateFromNode(DOMWrapperWorld*, Node*); ScriptState* scriptStateFromPage(DOMWrapperWorld*, Page*); } // namespace WebCore #endif // ScriptState_h