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 * 
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
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#ifndef ADC_PARSEENV_HXX
#define ADC_PARSEENV_HXX



// USED SERVICES
	// BASE CLASSES
#include <tokens/tokproct.hxx>
	// COMPONENTS
	// PARAMETERS


namespace ary
{
namespace info
{
class CodeInfo;
}   // namespace info
}   // namespace ary)



class SubPeUseIfc;


class ParseEnvironment : protected TokenProcessing_Types
{
  public:
	virtual				~ParseEnvironment() {}

	// Parsing
	void				Enter(
							E_EnvStackAction	i_eWayOfEntering );
	void				Leave(
							E_EnvStackAction	i_eWayOfLeaving );
	void				SetCurSPU(
							const SubPeUseIfc *	i_pCurSPU );

	ParseEnvironment * 	Parent() const;


	// ACCESS
  protected:
						ParseEnvironment(
							ParseEnvironment *	i_pParent );
	const SubPeUseIfc *	CurSubPeUse() const;
  private:
	virtual void		InitData() = 0;
	virtual void		TransferData() = 0;

	ParseEnvironment *	pParent;
	const SubPeUseIfc * pCurSubPe;
};

class SubPeUseIfc
{
  public:
	virtual				~SubPeUseIfc() {}

	virtual void		InitParse() const = 0;
	virtual void		GetResults() const = 0;
};



// IMPLEMENTATION

inline void
ParseEnvironment::SetCurSPU( const SubPeUseIfc * i_pCurSPU )
	{ pCurSubPe = i_pCurSPU; }

inline ParseEnvironment *
ParseEnvironment::Parent() const
	{ return pParent; }

inline const SubPeUseIfc *
ParseEnvironment::CurSubPeUse() const
	{ return pCurSubPe; }



#endif