void error() { Console.WriteLine("This word is error!\n"); MessageBox.Show(token + " here is wrong!"); errorInf = "This word is error!"; symbol = (classify)6; }
int getsym() { if (IsEnd == false) { clearToken(); getChar(); //cout << "first get char " << CHAR << endl; while (CHAR == '\r' || Char.IsWhiteSpace(CHAR) || CHAR == '\t' || CHAR == '\n' || CHAR == ' ') { getChar(); } //字母 if (Char.IsLetter(CHAR)) { catToken(); getChar(); while (Char.IsLetter(CHAR) || Char.IsDigit(CHAR)) { catToken(); getChar(); } retract(); int resultValue = reserver(); if (resultValue == -1) { symbol = classify.IDSY; outt = token; } else { symbol = classify.KEYWORDSY; outt = token; } } //数字 else if (Char.IsDigit(CHAR)) { catToken(); getChar(); while (Char.IsDigit(CHAR)) { catToken(); getChar(); } //整数 if (!isDot()) { retract(); outt = transNum(); symbol = classify.INTSY; } else { catToken(); getChar(); while (Char.IsDigit(CHAR)) { catToken(); getChar(); } if (isDot()) { catToken(); getChar(); while (Char.IsDigit(CHAR)) { catToken(); getChar(); } symbol = (classify)6; error(); //MessageBox.Show(token +" here is wrong!"); } else { symbol = classify.FLOATSY; } retract(); outt = token; } } else if (isColon()) { catToken(); getChar(); if (isEqu()) { catToken(); symbol = classify.DOUBLE; outt = ":="; } else { retract(); symbol = classify.CALSY; outt = ":"; } } else if (isEqu()) { catToken(); symbol = classify.SINGLESY; outt = "="; } else if (isPlus()) { catToken(); symbol = classify.SINGLESY; outt = "+"; } else if (isMinus()) { catToken(); symbol = classify.SINGLESY; outt = "-"; } else if (isStar()) { catToken(); symbol = classify.SINGLESY; outt = "*"; } else if (isLpar()) { catToken(); symbol = classify.CALSY; outt = "("; } else if (isRpar()) { catToken(); symbol = classify.CALSY; outt = ")"; } else if (isComma()) { catToken(); symbol = classify.CALSY; outt = ","; } else if (isSemi()) { catToken(); symbol = classify.CALSY; outt = ";"; } else if (isSmall()) { catToken(); getChar(); if (isEqu()) { catToken(); symbol = classify.DOUBLE; outt = "<="; } else { retract(); symbol = classify.SINGLESY; outt = "<"; } } else if (isBig()) { catToken(); getChar(); if (isEqu()) { catToken(); symbol = classify.DOUBLE; outt = ">="; } else { retract(); symbol = classify.SINGLESY; outt = ">"; } } else if (isDot()) { catToken(); symbol = classify.CALSY; outt = "."; } else if (isDivi()) { getChar(); if (isStar()) { do { do { getChar(); } while (!isStar()); do { getChar(); if (isDivi()) { symbol = classify.COMMENTSY; outt = ""; return(0); } } while (isStar()); } while (!isStar()); symbol = classify.COMMENTSY; outt = ""; } else { retract(); catToken(); symbol = classify.SINGLESY; outt = "/"; } } else if (IsEnd == true) { return(0); } else { catToken(); error(); } return(0); } return(-1); }