1 /************************************************************************************* 2 * Copyright (C) 2007 by Aleix Pol <aleixpol@kde.org> * 3 * * 4 * This program is free software; you can redistribute it and/or * 5 * modify it under the terms of the GNU General Public License * 6 * as published by the Free Software Foundation; either version 2 * 7 * of the License, or (at your option) any later version. * 8 * * 9 * This program is distributed in the hope that it will be useful, * 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of * 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * 12 * GNU General Public License for more details. * 13 * * 14 * You should have received a copy of the GNU General Public License * 15 * along with this program; if not, write to the Free Software * 16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA * 17 *************************************************************************************/ 18 19 #ifndef PROVIDEDERIVATIVE_H 20 #define PROVIDEDERIVATIVE_H 21 #include "abstractexpressiontransformer.h" 22 #include <QList> 23 #include <QPair> 24 #include <QStringList> 25 26 namespace Analitza 27 { 28 29 class ProvideDerivative : public AbstractExpressionTransformer 30 { 31 public: 32 explicit ProvideDerivative(const QString& var); 33 Object* run(const Object* o); 34 isCorrect()35 bool isCorrect() const { return m_errors.isEmpty(); } errors()36 QStringList errors() const { return m_errors; } 37 38 private: 39 QStringList m_errors; 40 virtual Object* walkApply(const Analitza::Apply* pattern) override; 41 42 Object* derivateContentVector(const Vector* v); 43 Object* derivateContentList(const List* v); 44 Object* derivativeContainer(const Container *c); 45 Object* derivativeApply(const Apply *c); 46 47 Apply* makeDiff(Analitza::Object* o) const; 48 void clearDiff(Apply* a); 49 QString var; 50 }; 51 52 } 53 #endif // PROVIDEDERIVATIVE_H 54