istack.h

自上而下语法分析器设计

// istack.h: interface for the istack class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_ISTACK_H__2B267ABB_5323_47B9_BB4D_3B785BDF0390__INCLUDED_)
#define AFX_ISTACK_H__2B267ABB_5323_47B9_BB4D_3B785BDF0390__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

class istack  
{
public:
	istack(int size);
	virtual ~istack();
	int pop();
	void push(int e);
private:
	int *m_stack;
	int m_sp;
	int m_size;
};

#endif // !defined(AFX_ISTACK_H__2B267ABB_5323_47B9_BB4D_3B785BDF0390__INCLUDED_)