Introduction - If you have any usage issues, please Google them yourself
(1) enter the source code: Enter the PASCAL source (2) the output word, the output form as follows: (number, word, the corresponding source code line number, corresponding to its source list) (3) error message output, output the form of: (error line number, error number listed, an error message) (4) the output symbol table, the output form of: (different kinds of code words, word symbols)