File indexing completed on 2024-04-28 15:54:22

 /* This file is part of kdev-pg-qt
    Copyright (C) 2010 Jonathan Schmidt-Dominé <devel@the-user.org>
 
    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.
 
    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Library General Public License for more details.
 
    You should have received a copy of the GNU Library General Public License
    along with this library; see the file COPYING.LIB.  If not, write to
    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
    Boston, MA 02110-1301, USA.
 */
 
 #ifndef KDEV_PG_BNF_VISITOR_H
 #define KDEV_PG_BNF_VISITOR_H
 
 #include "kdev-pg-default-visitor.h"
 
 #include "kdev-pg.h"
 
 #include <QHash>
 
 namespace KDevPG
 {
 
 class BnfVisitor : public DefaultVisitor
 {
 public:
   static bool isInternal(Model::Node* item);
 private:
   static KDevPG::Allocator<char> localMemoryPool;
   
   static QHash<Model::OperatorItem*, Model::Node*> mOpStuff;
   static QHash<Model::StarItem*, Model::Node*> mStarStuff;
   static QHash<Model::PlusItem*, Model::Node*> mPlusStuff;
   
   template <class _Tp>
   inline _Tp *localCreateNode();
   
   template <class _Tp>
   inline _Tp *createArray(qint64 size);
   
   template <class _Tp>
   inline _Tp * getSubArray(void *mem, qint64 s);
     
 protected:
   void visitInlinedNonTerminal(Model::InlinedNonTerminalItem *node) override;
   void visitNonTerminal(Model::NonTerminalItem *node) override;
   void visitPlus(Model::PlusItem *node) override;
   void visitStar(Model::StarItem *node) override;
   void visitOperator(Model::OperatorItem *node) override;
   void visitTryCatch(Model::TryCatchItem *node) override;
   void visitAnnotation(Model::AnnotationItem *node) override;
   void visitCondition(Model::ConditionItem *node) override;
   void visitEvolve(Model::EvolveItem *node) override;
   void visitAction(Model::ActionItem *node) override;
 
   /// Should be reimplemented by first- and follow-set-generators
   virtual void copy(Model::Node *from, Model::Node *to)
   {
     Q_UNUSED(from);
     Q_UNUSED(to);
   }
   virtual void preCopy(Model::Node *from, Model::Node *to)
   {
     Q_UNUSED(from);
     Q_UNUSED(to);
   }
   
   virtual void finished();
   ~BnfVisitor() override
   {
     finished();
   }
 };
 
 }
 
 #endif