interpreter.h

pl0文法编译器

#ifndef __INTERPRETER_H
#define __INTERPRETER_H

#include "IntpreSymSet.h"
#include <fstream>

class Code;
class Interpreter
{
public:
	Interpreter(string fileName);
	int getBase(int l);

public:
	void interpret();
	void listCode();

public:
	ActiveRecord  BBlocks; 
	ifstream inStream;

private:
	int base;
	int p;
	int t;
	CodeStack &codeStack;//代码栈
	StringStack &stringStack;//字符串栈
	ActiveRecord bBlock;//活动记录
	OpertionStack opStack;//运算栈 
	Code *pcode;
};

#endif