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author | Lars Knoll <lars.knoll@nokia.com> | 2009-03-23 09:18:55 (GMT) |
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committer | Simon Hausmann <simon.hausmann@nokia.com> | 2009-03-23 09:18:55 (GMT) |
commit | e5fcad302d86d316390c6b0f62759a067313e8a9 (patch) | |
tree | c2afbf6f1066b6ce261f14341cf6d310e5595bc1 /tools/porting/src/rppexpressionbuilder.h | |
download | Qt-e5fcad302d86d316390c6b0f62759a067313e8a9.zip Qt-e5fcad302d86d316390c6b0f62759a067313e8a9.tar.gz Qt-e5fcad302d86d316390c6b0f62759a067313e8a9.tar.bz2 |
Long live Qt 4.5!
Diffstat (limited to 'tools/porting/src/rppexpressionbuilder.h')
-rw-r--r-- | tools/porting/src/rppexpressionbuilder.h | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/tools/porting/src/rppexpressionbuilder.h b/tools/porting/src/rppexpressionbuilder.h new file mode 100644 index 0000000..bca90b1 --- /dev/null +++ b/tools/porting/src/rppexpressionbuilder.h @@ -0,0 +1,107 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (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 either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** 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 1.0, 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. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#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 |