cstack.h

一个C++对赋值语句的翻译,能输出四元式

// Class CStack header 
// By Great_csk 2004

#ifndef _CSTACK_H_
#define _CSTACK_H_

#define STACK_SUCCEED 1
#define STACK_OVERFOLW -1

typedef  void* pData;

struct StkNode{
	pData pdata;
	void *formerNode;
};


class CStack{
public:
	CStack();
	~CStack();

	pData pop();
	pData getTop();
	long push(pData pnode);
	void Clear();
	long SetMaxLevel(long nMaxLevel=100);
	long nStkMaxLevel;
	long CurrentLevel;

private:
	bool CreateNode();
	bool DeleteNode();

	StkNode *pNode;
};

#endif