module languages/sdf2/syntax/Sdf2-Syntax

imports languages/sdf2/syntax/Kernel
        languages/sdf2/syntax/Basic
        languages/sdf2/syntax/Modules
        languages/sdf2/syntax/Regular
        languages/sdf2/syntax/Lifting
        languages/sdf2/syntax/Priority
        languages/sdf2/syntax/CC
        languages/sdf2/syntax/Sorts
        languages/sdf2/syntax/Start-Symbols
        languages/sdf2/syntax/Literals
        languages/sdf2/syntax/Labels
        languages/sdf2/syntax/Restrictions
        languages/sdf2/syntax/Aliases

exports
  sorts SDF

  context-free syntax
    "<START>" -> Symbol {cons("start")}
    "<Start>" -> Symbol {cons("file-start")}

    "lexical"      "priorities" Priorities      -> Grammar {cons("lexical-priorities")}
    "context-free" "priorities" Priorities      -> Grammar {cons("context-free-priorities")}
    "lexical"      "restrictions" Restrictions  -> Grammar {cons("lexical-restrictions")}
    "context-free" "restrictions" Restrictions  -> Grammar {cons("context-free-restrictions")}

    "definition" Definition -> SDF {cons("definition")}

  context-free priorities
    Symbol "|" Symbol  -> Symbol >
    Label ":" Symbol -> Symbol                  
