/**************************************************************************** | |
** | |
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). | |
** All rights reserved. | |
** Contact: Nokia Corporation (qt-info@nokia.com) | |
** | |
** This file is part of the qt3to4 porting application of the Qt Toolkit. | |
** | |
** $QT_BEGIN_LICENSE:LGPL$ | |
** GNU Lesser General Public License Usage | |
** This file may be used under the terms of the GNU Lesser General Public | |
** License version 2.1 as published by the Free Software Foundation and | |
** appearing in the file LICENSE.LGPL included in the packaging of this | |
** file. Please review the following information to ensure the GNU Lesser | |
** General Public License version 2.1 requirements will be met: | |
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. | |
** | |
** In addition, as a special exception, Nokia gives you certain additional | |
** rights. These rights are described in the Nokia Qt LGPL Exception | |
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. | |
** | |
** GNU General Public License Usage | |
** Alternatively, this file may be used under the terms of the GNU General | |
** Public License version 3.0 as published by the Free Software Foundation | |
** and appearing in the file LICENSE.GPL included in the packaging of this | |
** file. Please review the following information to ensure the GNU General | |
** Public License version 3.0 requirements will be met: | |
** http://www.gnu.org/copyleft/gpl.html. | |
** | |
** Other Usage | |
** Alternatively, this file may be used in accordance with the terms and | |
** conditions contained in a signed written agreement between you and Nokia. | |
** | |
** | |
** | |
** | |
** | |
** $QT_END_LICENSE$ | |
** | |
****************************************************************************/ | |
#ifndef RPPEXPRESSIONBUILDER_H | |
#define RPPEXPRESSIONBUILDER_H | |
#include "tokens.h" | |
#include "tokenengine.h" | |
#include "smallobject.h" | |
#include "rpp.h" | |
#include <QByteArray> | |
QT_BEGIN_NAMESPACE | |
namespace Rpp { | |
class ExpressionBuilder | |
{ | |
public: | |
ExpressionBuilder(const TokenEngine::TokenList &tokenList, const QVector<Type> &typeList, TypedPool<Item> *memoryPool); | |
Rpp::Expression *parse(); | |
private: | |
inline bool hasNext() const { return (i < m_tokenList.count()); } | |
Type next(); | |
bool test(int); | |
bool moreTokens(int delta); | |
inline void prev() {--i;} | |
Type lookup(int k = 1); | |
inline Type token() { return typeAt(i-1);} | |
inline QByteArray lexem() { return m_tokenList.text(i-1);} | |
inline Type typeAt(int t) { return m_typeList.at(m_tokenList.containerIndex(t));} | |
Expression *conditional_expression(); | |
Expression *logical_OR_expression(); | |
Expression *logical_AND_expression(); | |
Expression *inclusive_OR_expression(); | |
Expression *exclusive_OR_expression(); | |
Expression *AND_expression(); | |
Expression *equality_expression(); | |
Expression *relational_expression(); | |
Expression *shift_expression(); | |
Expression *additive_expression(); | |
Expression *multiplicative_expression(); | |
Expression *unary_expression(); | |
Expression *primary_expression(); | |
bool unary_expression_lookup(); | |
bool primary_expression_lookup(); | |
UnaryExpression *createUnaryExpression(int op, Expression *expression); | |
BinaryExpression *createBinaryExpression(int op, Expression *leftExpresson, Expression *rightExpression); | |
ConditionalExpression *createConditionalExpression(Expression *condition, Expression *leftExpression, Expression *rightExpression); | |
MacroReference *createMacroReference(MacroReference::Type type, TokenEngine::TokenList token); | |
IntLiteral *createIntLiteral(const int arg); | |
TokenEngine::TokenList createTokenList(int tokenIndex) const; | |
int i; | |
TokenEngine::TokenList m_tokenList; | |
QVector<Type> m_typeList; | |
TypedPool<Item> *m_memoryPool; | |
}; | |
} | |
QT_END_NAMESPACE | |
#endif |