/****************************************************************************+
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**+
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).+
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** All rights reserved.+
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** Contact: Nokia Corporation (qt-info@nokia.com)+
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**+
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** This file is part of the qt3to4 porting application of the Qt Toolkit.+
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**+
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** $QT_BEGIN_LICENSE:LGPL$+
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** No Commercial Usage+
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** This file contains pre-release code and may not be distributed.+
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** You may use this file in accordance with the terms and conditions+
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** contained in the Technology Preview License Agreement accompanying+
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** this package.+
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**+
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** GNU Lesser General Public License Usage+
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** Alternatively, this file may be used under the terms of the GNU Lesser+
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** General Public License version 2.1 as published by the Free Software+
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** Foundation and appearing in the file LICENSE.LGPL included in the+
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** packaging of this file.  Please review the following information to+
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** ensure the GNU Lesser General Public License version 2.1 requirements+
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.+
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**+
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** In addition, as a special exception, Nokia gives you certain additional+
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** rights.  These rights are described in the Nokia Qt LGPL Exception+
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.+
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**+
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** If you have questions regarding the use of this file, please contact+
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** Nokia at qt-info@nokia.com.+
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** $QT_END_LICENSE$+
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**+
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****************************************************************************/+
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+
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#ifndef RPPEXPRESSIONBUILDER_H+
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#define RPPEXPRESSIONBUILDER_H+
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+
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#include "tokens.h"+
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#include "tokenengine.h"+
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#include "smallobject.h"+
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#include "rpp.h"+
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#include <QByteArray>+
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+
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QT_BEGIN_NAMESPACE+
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+
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namespace Rpp {+
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+
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class ExpressionBuilder+
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{+
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public:+
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    ExpressionBuilder(const TokenEngine::TokenList &tokenList, const QVector<Type> &typeList, TypedPool<Item> *memoryPool);+
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    Rpp::Expression *parse();+
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private:+
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+
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    inline bool hasNext() const { return (i < m_tokenList.count()); }+
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    Type next();+
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    bool test(int);+
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    bool moreTokens(int delta);+
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    inline void prev() {--i;}+
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    Type lookup(int k = 1);+
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    inline Type token() { return typeAt(i-1);}+
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    inline QByteArray lexem() { return m_tokenList.text(i-1);}+
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    inline Type typeAt(int t) { return m_typeList.at(m_tokenList.containerIndex(t));}+
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+
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    Expression *conditional_expression();+
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    Expression *logical_OR_expression();+
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    Expression *logical_AND_expression();+
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    Expression *inclusive_OR_expression();+
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    Expression *exclusive_OR_expression();+
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    Expression *AND_expression();+
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    Expression *equality_expression();+
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    Expression *relational_expression();+
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    Expression *shift_expression();+
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    Expression *additive_expression();+
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    Expression *multiplicative_expression();+
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    Expression *unary_expression();+
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    Expression *primary_expression();+
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+
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    bool unary_expression_lookup();+
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    bool primary_expression_lookup();+
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+
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    UnaryExpression *createUnaryExpression(int op, Expression *expression);+
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    BinaryExpression *createBinaryExpression(int op, Expression *leftExpresson, Expression *rightExpression);+
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    ConditionalExpression *createConditionalExpression(Expression *condition, Expression *leftExpression, Expression *rightExpression);+
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    MacroReference *createMacroReference(MacroReference::Type type, TokenEngine::TokenList token);+
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    IntLiteral *createIntLiteral(const int arg);+
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+
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    TokenEngine::TokenList createTokenList(int tokenIndex) const;+
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+
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    int i;+
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    TokenEngine::TokenList m_tokenList;+
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    QVector<Type> m_typeList;+
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    TypedPool<Item> *m_memoryPool;+
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};+
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+
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}+
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+
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QT_END_NAMESPACE+
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+
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#endif+
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