// -*- c-basic-offset: 2 -*- /* * This file is part of the KDE libraries * Copyright (C) 1999-2001 Harri Porten (porten@kde.org) * Copyright (C) 2001 Peter Kelly (pmk@post.com) * Copyright (C) 2003 Apple Computer, Inc. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public License * along with this library; see the file COPYING.LIB. If not, write to * the Free Software Foundation, Inc., 59 Temple Place - Suite 330, * Boston, MA 02111-1307, USA. * */ #ifndef KJS_CONTEXT_H #define KJS_CONTEXT_H #include "function.h" #include "protect.h" namespace KJS { /** * @short Execution context. */ class ContextImp { public: ContextImp(Object &glob, InterpreterImp *, Object &thisV, CodeType type = GlobalCode, ContextImp *callingContext = 0, FunctionImp *functiion = 0, const List *args = 0); ~ContextImp(); const ScopeChain &scopeChain() const { return scope; } Object variableObject() const { return variable; } void setVariableObject(const Object &v) { variable = v; } Object thisValue() const { return thisVal; } ContextImp *callingContext() { return _callingContext; } ObjectImp *activationObject() { return activation.imp(); } FunctionImp *function() const { return _function; } const List *arguments() const { return _arguments; } void pushScope(const Object &s) { scope.push(s.imp()); } void popScope() { scope.pop(); } LabelStack *seenLabels() { return &ls; } void mark(); private: InterpreterImp *_interpreter; ContextImp *_callingContext; FunctionImp *_function; const List *_arguments; // because ContextImp is always allocated on the stack, // there is no need to protect various pointers from conservative // GC since they will be caught by the conservative sweep anyway! Object activation; ScopeChain scope; Object variable; Object thisVal; LabelStack ls; CodeType codeType; }; } // namespace KJS #endif