I wrote down my thoughts on the format in confluence under 
https://cwiki.apache.org/confluence/pages/viewpage.action?pageId=89070222
But I think we never filed a Jira for this.

Am 01.10.18, 16:52 schrieb "Otto Fowler" <[email protected]>:

    Is there a jira for the Anltr approach?  Does it reference the
    format/specification?
    
    
    On October 1, 2018 at 10:28:35, Christofer Dutz ([email protected])
    wrote:
    
    Hi Otto,
    
    well we did adjust the syntax to that of TIA portal, however the parser is
    still using the classical Regular expression.
    No Antlr4 version yet.
    
    So from a user's perspective we have done the change, however didn't
    implement it the way described here (But doesn't mean that we won't change
    that in the future)
    
    Chris
    
    
    
    Am 01.10.18, 16:17 schrieb "Otto Fowler" <[email protected]>:
    
    Did you end up doing this?
    
    
    On September 4, 2018 at 05:46:47, Julian Feinauer (
    [email protected]) wrote:
    
    Hi all,
    
    I just had a short discussion with chris which I wanted to bring the
    results back tot he list.
    As the new Syntax for S7 addressing is getting more and more complex I want
    to implement it not by regex (as currently is) but with an antlr4 grammar.
    Antlr will be incorporated as maven plugin and run in the regular build
    process in the code-gen phase.
    
    Julian
    

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