// Created on: 1992-02-21
// Created by: Arnaud BOUZY
// Copyright (c) 1992-1999 Matra Datavision
// Copyright (c) 1999-2014 OPEN CASCADE SAS
//
// This file is part of Open CASCADE Technology software library.
//
// This library is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License version 2.1 as published
// by the Free Software Foundation, with special exception defined in the file
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
// distribution for complete text of the license and disclaimer of any warranty.
//
// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.

#ifndef _ExprIntrp_Analysis_HeaderFile
#define _ExprIntrp_Analysis_HeaderFile

#include <Standard.hxx>
#include <Standard_DefineAlloc.hxx>
#include <Standard_Handle.hxx>

#include <ExprIntrp_StackOfGeneralExpression.hxx>
#include <ExprIntrp_StackOfGeneralRelation.hxx>
#include <ExprIntrp_StackOfGeneralFunction.hxx>
#include <TColStd_ListOfAsciiString.hxx>
#include <TColStd_ListOfInteger.hxx>
#include <ExprIntrp_SequenceOfNamedFunction.hxx>
#include <ExprIntrp_SequenceOfNamedExpression.hxx>
#include <Standard_Integer.hxx>
#include <Standard_Boolean.hxx>
class ExprIntrp_Generator;
class Expr_GeneralExpression;
class Expr_GeneralRelation;
class TCollection_AsciiString;
class Expr_GeneralFunction;
class Expr_NamedFunction;
class Expr_NamedExpression;



class ExprIntrp_Analysis 
{
public:

  DEFINE_STANDARD_ALLOC

  
  Standard_EXPORT ExprIntrp_Analysis();
  
  Standard_EXPORT void SetMaster (const Handle(ExprIntrp_Generator)& agen);
  
  Standard_EXPORT void Push (const Handle(Expr_GeneralExpression)& exp);
  
  Standard_EXPORT void PushRelation (const Handle(Expr_GeneralRelation)& rel);
  
  Standard_EXPORT void PushName (const TCollection_AsciiString& name);
  
  Standard_EXPORT void PushValue (const Standard_Integer degree);
  
  Standard_EXPORT void PushFunction (const Handle(Expr_GeneralFunction)& func);
  
  Standard_EXPORT Handle(Expr_GeneralExpression) Pop();
  
  Standard_EXPORT Handle(Expr_GeneralRelation) PopRelation();
  
  Standard_EXPORT TCollection_AsciiString PopName();
  
  Standard_EXPORT Standard_Integer PopValue();
  
  Standard_EXPORT Handle(Expr_GeneralFunction) PopFunction();
  
  Standard_EXPORT Standard_Boolean IsExpStackEmpty() const;
  
  Standard_EXPORT Standard_Boolean IsRelStackEmpty() const;
  
  Standard_EXPORT void ResetAll();
  
  Standard_EXPORT void Use (const Handle(Expr_NamedFunction)& func);
  
  Standard_EXPORT void Use (const Handle(Expr_NamedExpression)& named);
  
  Standard_EXPORT Handle(Expr_NamedExpression) GetNamed (const TCollection_AsciiString& name);
  
  Standard_EXPORT Handle(Expr_NamedFunction) GetFunction (const TCollection_AsciiString& name);




protected:





private:



  ExprIntrp_StackOfGeneralExpression myGEStack;
  ExprIntrp_StackOfGeneralRelation myGRStack;
  ExprIntrp_StackOfGeneralFunction myGFStack;
  TColStd_ListOfAsciiString myNameStack;
  TColStd_ListOfInteger myValueStack;
  ExprIntrp_SequenceOfNamedFunction myFunctions;
  ExprIntrp_SequenceOfNamedExpression myNamed;
  Handle(ExprIntrp_Generator) myMaster;


};







#endif // _ExprIntrp_Analysis_HeaderFile