Is the Bison script for IEC 61131-3 still available?


Thread Starter

Pavel Balda

I have found some information about Bison(+Flex) script for languages described in the norm IEC 61131-3. The information is mentioned in the web page

Please, can you send me a reference or more information where is the mentioned sript available (for download).

Michael Griffin

Bison is a "parser generator" which is used to help create a compiler. If you are trying to write a compiler which will operate on an IEC 61131-3 language, then it might be useful to you. Bison is a newer equivalent to "YACC". You can get it from "" (free of course).