include/vrfplan/simBlock.h

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/*******************************************************************************
** Copyright (c) 1999 MAK Technologies, Inc.
** All rights reserved.
*******************************************************************************/
/*******************************************************************************
** $RCSfile: simBlock.h,v $ $Revision: 1.17 $ $State: Exp $
*******************************************************************************/


#ifndef DtSimBlock_H_
#define DtSimBlock_H_

class DtSimBlock;

#include <mtl/mtl.h>
#include <vlutil/vlString.h>
#include "vrfutil/rwIntList.h"
#include "vrfplan/stmtIndex.h"

class DtPlan;
class DtSimTrigger;
class DtSimStatement;
class DtRecursiveSimBlockIterator;


#include "vrfplan/vrfplanDefines.h"
class DT_DLL_vrfplan DtSimBlock : public DtRwIntrusiveList
{
public:

   DtSimBlock();

   DtSimBlock(const DtString& name,
      DtReaderWriterRegistry* parentRegistry = NULL);

   DtSimBlock(const DtSimBlock& orig);

   DtSimBlock(const DtString& name,
      const DtSimBlock& orig,
      DtReaderWriterRegistry* parentRegistry = NULL);

   virtual ~DtSimBlock();

   DtSimBlock& operator=(const DtSimBlock& orig);

   virtual DtSimBlock* clone(const DtString& name,
      DtReaderWriterRegistry* parentRegistry = NULL) const = 0;

   DtSimBlock* clone() const;

   DtSimStatement* firstStmt() const;

   DtSimStatement* lastStmt() const;

   virtual DtlObjPtr getData(DtlObjPtr args, const DtFilename& searchPath,
      const DtVariableBindingsList& variableBindings);

   virtual void exitFromBlock(DtPlan&) = 0;

   virtual bool translateIndex(DtStmtIndex& stmtIndex) const;

   virtual void translateIndices(DtList& stmtIndexList) const;

   virtual DtSimStatement* lookupStatement(DtStmtIdType statementId);

   virtual DtRecursiveSimBlockIterator* spawnRecursiveIterator() const;

   virtual bool validate();

   virtual bool isSameBlock(DtSimBlock* rhs);

protected:

   virtual DtListItem* addToList(DtRwListedObj* data, DtRwListedObj* after);

   virtual void cloneListFrom(const DtSimBlock& other);
};


inline DtSimBlock* DtSimBlock::clone() const
{
   return clone(name().string(), NULL);
}

inline DtSimStatement* DtSimBlock::firstStmt() const
{
   return (DtSimStatement*) firstObj();
}

inline DtSimStatement* DtSimBlock::lastStmt() const
{
   return (DtSimStatement*) lastObj();
}


#endif