[2] | 1 | /****************************************************************************
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| 2 | **
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[846] | 3 | ** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
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[561] | 4 | ** All rights reserved.
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| 5 | ** Contact: Nokia Corporation ([email protected])
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[2] | 6 | **
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| 7 | ** This file is part of the qt3to4 porting application of the Qt Toolkit.
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| 8 | **
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| 9 | ** $QT_BEGIN_LICENSE:LGPL$
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| 10 | ** Commercial Usage
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| 11 | ** Licensees holding valid Qt Commercial licenses may use this file in
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| 12 | ** accordance with the Qt Commercial License Agreement provided with the
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| 13 | ** Software or, alternatively, in accordance with the terms contained in
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| 14 | ** a written agreement between you and Nokia.
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| 15 | **
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| 16 | ** GNU Lesser General Public License Usage
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| 17 | ** Alternatively, this file may be used under the terms of the GNU Lesser
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| 18 | ** General Public License version 2.1 as published by the Free Software
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| 19 | ** Foundation and appearing in the file LICENSE.LGPL included in the
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| 20 | ** packaging of this file. Please review the following information to
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| 21 | ** ensure the GNU Lesser General Public License version 2.1 requirements
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| 22 | ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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| 23 | **
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[561] | 24 | ** In addition, as a special exception, Nokia gives you certain additional
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| 25 | ** rights. These rights are described in the Nokia Qt LGPL Exception
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| 26 | ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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[2] | 27 | **
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| 28 | ** GNU General Public License Usage
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| 29 | ** Alternatively, this file may be used under the terms of the GNU
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| 30 | ** General Public License version 3.0 as published by the Free Software
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| 31 | ** Foundation and appearing in the file LICENSE.GPL included in the
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| 32 | ** packaging of this file. Please review the following information to
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| 33 | ** ensure the GNU General Public License version 3.0 requirements will be
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| 34 | ** met: http://www.gnu.org/copyleft/gpl.html.
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| 35 | **
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[561] | 36 | ** If you have questions regarding the use of this file, please contact
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| 37 | ** Nokia at [email protected].
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[2] | 38 | ** $QT_END_LICENSE$
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| 39 | **
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| 40 | ****************************************************************************/
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| 41 |
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| 42 | #ifndef RPPEXPRESSIONBUILDER_H
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| 43 | #define RPPEXPRESSIONBUILDER_H
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| 44 |
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| 45 | #include "tokens.h"
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| 46 | #include "tokenengine.h"
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| 47 | #include "smallobject.h"
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| 48 | #include "rpp.h"
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| 49 | #include <QByteArray>
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| 50 |
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| 51 | QT_BEGIN_NAMESPACE
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| 52 |
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| 53 | namespace Rpp {
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| 54 |
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| 55 | class ExpressionBuilder
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| 56 | {
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| 57 | public:
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| 58 | ExpressionBuilder(const TokenEngine::TokenList &tokenList, const QVector<Type> &typeList, TypedPool<Item> *memoryPool);
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| 59 | Rpp::Expression *parse();
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| 60 | private:
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| 61 |
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| 62 | inline bool hasNext() const { return (i < m_tokenList.count()); }
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| 63 | Type next();
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| 64 | bool test(int);
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| 65 | bool moreTokens(int delta);
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| 66 | inline void prev() {--i;}
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| 67 | Type lookup(int k = 1);
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| 68 | inline Type token() { return typeAt(i-1);}
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| 69 | inline QByteArray lexem() { return m_tokenList.text(i-1);}
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| 70 | inline Type typeAt(int t) { return m_typeList.at(m_tokenList.containerIndex(t));}
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| 71 |
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| 72 | Expression *conditional_expression();
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| 73 | Expression *logical_OR_expression();
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| 74 | Expression *logical_AND_expression();
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| 75 | Expression *inclusive_OR_expression();
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| 76 | Expression *exclusive_OR_expression();
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| 77 | Expression *AND_expression();
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| 78 | Expression *equality_expression();
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| 79 | Expression *relational_expression();
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| 80 | Expression *shift_expression();
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| 81 | Expression *additive_expression();
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| 82 | Expression *multiplicative_expression();
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| 83 | Expression *unary_expression();
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| 84 | Expression *primary_expression();
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| 85 |
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| 86 | bool unary_expression_lookup();
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| 87 | bool primary_expression_lookup();
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| 88 |
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| 89 | UnaryExpression *createUnaryExpression(int op, Expression *expression);
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| 90 | BinaryExpression *createBinaryExpression(int op, Expression *leftExpresson, Expression *rightExpression);
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| 91 | ConditionalExpression *createConditionalExpression(Expression *condition, Expression *leftExpression, Expression *rightExpression);
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| 92 | MacroReference *createMacroReference(MacroReference::Type type, TokenEngine::TokenList token);
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| 93 | IntLiteral *createIntLiteral(const int arg);
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| 94 |
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| 95 | TokenEngine::TokenList createTokenList(int tokenIndex) const;
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| 96 |
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| 97 | int i;
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| 98 | TokenEngine::TokenList m_tokenList;
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| 99 | QVector<Type> m_typeList;
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| 100 | TypedPool<Item> *m_memoryPool;
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| 101 | };
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| 102 |
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| 103 | }
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| 104 |
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| 105 | QT_END_NAMESPACE
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| 106 |
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| 107 | #endif
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