新建 文本文档.txt

语法分析器,很好的,同学写的,认为不错 .

/*	while((ch = cin.get()) != '\n')
		cout << ch << ' ' << endl;
	cout << sentence;
		while(*ptr != '\0')
		{
			popchar = stack.Pop();
			if(IsTerminal(popchar))
			{
				if(popchar == ch)
				{
//					cout << popchar;
					ch = *ptr++;
				}
				else 
				{
//					flag = false;
//					OutputError();
				}
			}
			else if(popchar == '#')
			{
				if(popchar == ch)
				{
//					cout << popchar;
					flag = false;	
					return;
				}
//				else OutputError();
			}
			else if(IsInPredictTable(popchar,ch))
				ReversePush(popchar,ch,stack);
//			else OutputError();
		}
//	}*/