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[[K-user] ] How to specify a new style of comments for a language?


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  • From: Gary Leavens <leavens AT cs.ucf.edu>
  • To: K-User List <k-user AT lists.cs.illinois.edu>
  • Subject: [[K-user] ] How to specify a new style of comments for a language?
  • Date: Tue, 20 Jun 2017 21:25:53 -0400

Hi,

In defining the syntax of a new language in K, how do I specify the comment convention for that language?  For example, suppose I want comments to start with 
-- and continue to the end of the line, as in Haskell. It seems like something along the lines of

syntax Comment ::= Token{"--" ~[\n\r]*[\n\r]}

should work, but then how do I get the parser to ignore these Comment tokens?

        Regards,

        Gary T. Leavens
        437D Harris Center (Bldg. 116)
        Computer Science, University of Central Florida
        4000 Central Florida Blvd., Orlando, FL 32816-2362 USA
        http://www.cs.ucf.edu/~leavens  phone: +1-407-823-4758



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