ifStmt.h

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/*********************************************************************
** Copyright (c) 2016 MaK Technologies, Inc.
** All rights reserved.
*********************************************************************/


#pragma once

#include "vrfutil/simCondExpr.h"
#include "vrfplan/rwCondExpr.h"
#include "vrfplan/simConditionalStatement.h"
#include <vlutil/vlNetTypes.h>

const char DtIfStmtTypeName[] = "If";

class DtRwCondExpr;
class DtIfBlock;

#include "vrfplan/vrfplanDefines.h"
class DT_DLL_vrfplan DtIfStmt : public DtSimConditionalStatement
{
public:


   DtIfStmt(DtReaderWriterRegistry* parentRegistry = NULL);

   DtIfStmt(const DtIfStmt& orig,
      DtReaderWriterRegistry* parentRegistry = NULL);

   virtual ~DtIfStmt();

   DtIfStmt& operator=(const DtIfStmt& orig);


   virtual DtSimStatement* clone(
      DtReaderWriterRegistry* parentRegistry = NULL) const;

   virtual int type() const;

   virtual void execute(DtPlan& planContext);

   virtual void step(DtPlan& planContext, bool forceStep = false);

   virtual int subBlockCount() const;
   virtual DtSimBlock* subBlock(int index);

   virtual DtString stringRep(int subBlockIndex = DtSR_STMT) const;

   virtual void exitFromIf(DtPlan& planContext);

   virtual const DtSimCondExpr* condExpr() const;
   virtual void setCondExpr(const DtSimCondExpr* arg);

   virtual DtIfBlock* thenBlock() const;
   virtual void setThenBlock(DtIfBlock* arg);

   virtual DtIfBlock* elseBlock() const;
   virtual void setElseBlock(DtIfBlock* arg);

   virtual int netRepSize() const;

   virtual bool setFromNet(const char* contentBuffer, 
      unsigned contentSize);

   virtual bool setToNet();

public:

   static DtSimStatement * creator(DtReaderWriterRegistry* parentRegistry = NULL);

protected:
   virtual bool compare(DtSimStatement* rhs);

protected:

   DtRwCondExpr myCondExpr;

   bool myResult;

   DtIfBlock* myThenBlock;
   DtIfBlock* myElseBlock;
};