File indexing completed on 2024-03-24 04:38:44
0001 /* This file is part of kdev-pg-qt 0002 Copyright (C) 2010 Jonathan Schmidt-Dominé <devel@the-user.org> 0003 0004 This library is free software; you can redistribute it and/or 0005 modify it under the terms of the GNU Library General Public 0006 License as published by the Free Software Foundation; either 0007 version 2 of the License, or (at your option) any later version. 0008 0009 This library is distributed in the hope that it will be useful, 0010 but WITHOUT ANY WARRANTY; without even the implied warranty of 0011 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 0012 Library General Public License for more details. 0013 0014 You should have received a copy of the GNU Library General Public License 0015 along with this library; see the file COPYING.LIB. If not, write to 0016 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 0017 Boston, MA 02110-1301, USA. 0018 */ 0019 0020 #ifndef KDEV_PG_BNF_VISITOR_H 0021 #define KDEV_PG_BNF_VISITOR_H 0022 0023 #include "kdev-pg-default-visitor.h" 0024 0025 #include "kdev-pg.h" 0026 0027 #include <QHash> 0028 0029 namespace KDevPG 0030 { 0031 0032 class BnfVisitor : public DefaultVisitor 0033 { 0034 public: 0035 static bool isInternal(Model::Node* item); 0036 private: 0037 static KDevPG::Allocator<char> localMemoryPool; 0038 0039 static QHash<Model::OperatorItem*, Model::Node*> mOpStuff; 0040 static QHash<Model::StarItem*, Model::Node*> mStarStuff; 0041 static QHash<Model::PlusItem*, Model::Node*> mPlusStuff; 0042 0043 template <class _Tp> 0044 inline _Tp *localCreateNode(); 0045 0046 template <class _Tp> 0047 inline _Tp *createArray(qint64 size); 0048 0049 template <class _Tp> 0050 inline _Tp * getSubArray(void *mem, qint64 s); 0051 0052 protected: 0053 void visitInlinedNonTerminal(Model::InlinedNonTerminalItem *node) override; 0054 void visitNonTerminal(Model::NonTerminalItem *node) override; 0055 void visitPlus(Model::PlusItem *node) override; 0056 void visitStar(Model::StarItem *node) override; 0057 void visitOperator(Model::OperatorItem *node) override; 0058 void visitTryCatch(Model::TryCatchItem *node) override; 0059 void visitAnnotation(Model::AnnotationItem *node) override; 0060 void visitCondition(Model::ConditionItem *node) override; 0061 void visitEvolve(Model::EvolveItem *node) override; 0062 void visitAction(Model::ActionItem *node) override; 0063 0064 /// Should be reimplemented by first- and follow-set-generators 0065 virtual void copy(Model::Node *from, Model::Node *to) 0066 { 0067 Q_UNUSED(from); 0068 Q_UNUSED(to); 0069 } 0070 virtual void preCopy(Model::Node *from, Model::Node *to) 0071 { 0072 Q_UNUSED(from); 0073 Q_UNUSED(to); 0074 } 0075 0076 virtual void finished(); 0077 ~BnfVisitor() override 0078 { 0079 finished(); 0080 } 0081 }; 0082 0083 } 0084 0085 #endif