%%% $Id: Sorts.sdf 17765 2006-02-13 12:54:52Z jurgenv $
                       
module languages/sdf2/syntax/Sorts

imports languages/sdf2/syntax/Kernel

exports
  sorts Sort
  lexical syntax
    head:[A-Z]                          -> Sort {cons("one-char")}
    head:[A-Z] middle:[A-Za-z0-9\-]* last:[A-Za-z0-9] -> Sort 
	{cons("more-chars")}

  context-free syntax
    Sort                                    -> Symbol  {cons("sort")}
    Sort "[[" parameters:{Symbol ","}+ "]]" -> Symbol  {cons("parameterized-sort")}

    "sorts" Symbols -> Grammar {cons("sorts")}

  lexical restrictions
    Sort -/- [A-Za-z0-9]
