gramanalysis.h

表达式分析, 支持算术运算,括号,关系运算,逻辑运算,字符串的like运算等。采用了有限自动机做词法分析, 语法分析用算符优先分析方法

#ifndef GRAMMERANALYSIS_H__
#define GRAMMERANALYSIS_H__

#include "LexAnalysis.h"
#include <list>

using namespace std;

#define VNOTTERMINAL			100  /*Not Terminal Symbol in OPG*/

typedef list<Token> TokenList;

class cGramAnalysis
{
private:
	Token				m_stack[50];
	TokenList			m_tokenList;
	cLexicalAnalysis	m_la;
	char				m_error_msg[256];
	bool				IsUnaryOP(unsigned char preOP);

public:
						cGramAnalysis();
	TokenList *			GrammerAnalysis(char *);
	char *				GetLastErrer();
};


#endif		/*GRAMMERANALYSIS_H__*/