diff -r 000000000000 -r 1918ee327afb tools/porting/src/rppexpressionbuilder.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/tools/porting/src/rppexpressionbuilder.h Mon Jan 11 14:00:40 2010 +0000 @@ -0,0 +1,107 @@ +/**************************************************************************** +** +** Copyright (C) 2009 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. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** GNU Lesser General Public License Usage +** Alternatively, 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. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef RPPEXPRESSIONBUILDER_H +#define RPPEXPRESSIONBUILDER_H + +#include "tokens.h" +#include "tokenengine.h" +#include "smallobject.h" +#include "rpp.h" +#include + +QT_BEGIN_NAMESPACE + +namespace Rpp { + +class ExpressionBuilder +{ +public: + ExpressionBuilder(const TokenEngine::TokenList &tokenList, const QVector &typeList, TypedPool *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 m_typeList; + TypedPool *m_memoryPool; +}; + +} + +QT_END_NAMESPACE + +#endif