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

imports languages/sdf2/syntax/Kernel

exports
  context-free syntax
    "lexical" "syntax"      Productions -> Grammar  {cons("lexical-syntax")}
    "context-free" "syntax" Productions -> Grammar  {cons("context-free-syntax")}
    "variables"             Productions -> Grammar  {cons("variables")}
    "lexical" "variables"   Productions -> Grammar  {cons("lexical-variables")}

    "<" Symbol "-CF"  ">"               -> Symbol  {cons("cf")}
    "<" Symbol "-LEX" ">"               -> Symbol  {cons("lex")}
    "<" Symbol "-VAR" ">"               -> Symbol  {cons("varsym")}

    "LAYOUT"                            -> Symbol  {cons("layout")}

