编译原理词法语法语义分析器设计(20)

words[j] = '\0'; flag = 510; } else { i--; flag = 511; } break; }

case',':{ words[j] = ch; words[j+1] = '\0'; flag = 512; break; }

case'#':{ words[j] = ch; words[j+1] = '\0'; flag = 513; break; }

case'@':{ words[j] = ch; words[j+1] = '\0'; flag = 514; break; }

case' '://空格 {

words[j] ='_'; words[j+1] = '\0'; flag = 515; break; }

case'$':{ words[j] = '#'; words[j+1] = '\0'; flag = 0; break;