clean up the GF.Grammar API

1 files changed, 0 insertions, 551 deletions

diff --git a/src/GF/Source/PrintGF.hs b/src/GF/Source/PrintGF.hs
deleted file mode 100644
index 3a04d89ba..000000000
--- a/src/GF/Source/PrintGF.hs
+++ /dev/null
@@ -1,551 +0,0 @@
-{-# OPTIONS -fno-warn-incomplete-patterns #-}
-module GF.Source.PrintGF where
-
--- pretty-printer generated by the BNF converter
-
-import GF.Source.AbsGF
-import Data.Char
-import qualified Data.ByteString.Char8 as BS
-
--- the top-level printing method
-printTree :: Print a => a -> String
-printTree = render . prt 0
-
-type Doc = [ShowS] -> [ShowS]
-
-doc :: ShowS -> Doc
-doc = (:)
-
-render :: Doc -> String
-render d = rend 0 (map ($ "") $ d []) "" where
-  rend i ss = case ss of
-    "["      :ts -> showChar '[' . rend i ts
-    "("      :ts -> showChar '(' . rend i ts
-    "{"      :ts -> showChar '{' . new (i+1) . rend (i+1) ts
-    "}" : ";":ts -> new (i-1) . space "}" . showChar ';' . new (i-1) . rend (i-1) ts
-    "}"      :ts -> new (i-1) . showChar '}' . new (i-1) . rend (i-1) ts
-    ";"      :ts -> showChar ';' . new i . rend i ts
-    t  : "," :ts -> showString t . space "," . rend i ts
-    t  : ")" :ts -> showString t . showChar ')' . rend i ts
-    t  : "]" :ts -> showString t . showChar ']' . rend i ts
-    t        :ts -> space t . rend i ts
-    _            -> id
-  new i   = showChar '\n' . replicateS (2*i) (showChar ' ') . dropWhile isSpace
-  space t = showString t . (\s -> if null s then "" else (' ':s))
-
-parenth :: Doc -> Doc
-parenth ss = doc (showChar '(') . ss . doc (showChar ')')
-
-concatS :: [ShowS] -> ShowS
-concatS = foldr (.) id
-
-concatD :: [Doc] -> Doc
-concatD = foldr (.) id
-
-replicateS :: Int -> ShowS -> ShowS
-replicateS n f = concatS (replicate n f)
-
--- the printer class does the job
-class Print a where
-  prt :: Int -> a -> Doc
-  prtList :: [a] -> Doc
-  prtList = concatD . map (prt 0)
-
-instance Print a => Print [a] where
-  prt _ = prtList
-
-instance Print Char where
-  prt _ s = doc (showChar '\'' . mkEsc '\'' s . showChar '\'')
-  prtList s = doc (showChar '"' . concatS (map (mkEsc '"') s) . showChar '"')
-
-mkEsc :: Char -> Char -> ShowS
-mkEsc q s = case s of
-  _ | s == q -> showChar '\\' . showChar s
-  '\\'-> showString "\\\\"
-  '\n' -> showString "\\n"
-  '\t' -> showString "\\t"
-  _ -> showChar s
-
-prPrec :: Int -> Int -> Doc -> Doc
-prPrec i j = if j<i then parenth else id
-
-
-instance Print Integer where
-  prt _ x = doc (shows x)
-
-
-instance Print Double where
-  prt _ x = doc (shows x)
-
-
-
-instance Print LString where
-  prt _ (LString i) = doc (showString (BS.unpack i))
-
-
-instance Print PIdent where
-  prt _ (PIdent (_,i)) = doc (showString (BS.unpack i))
-  prtList es = case es of
-   [x] -> (concatD [prt 0 x])
-   x:xs -> (concatD [prt 0 x , doc (showString ",") , prt 0 xs])
-
-
-
-instance Print Grammar where
-  prt i e = case e of
-   Gr moddefs -> prPrec i 0 (concatD [prt 0 moddefs])
-
-
-instance Print ModDef where
-  prt i e = case e of
-   MMain pident0 pident concspecs -> prPrec i 0 (concatD [doc (showString "grammar") , prt 0 pident0 , doc (showString "=") , doc (showString "{") , doc (showString "abstract") , doc (showString "=") , prt 0 pident , doc (showString ";") , prt 0 concspecs , doc (showString "}")])
-   MModule complmod modtype modbody -> prPrec i 0 (concatD [prt 0 complmod , prt 0 modtype , doc (showString "=") , prt 0 modbody])
-
-  prtList es = case es of
-   [] -> (concatD [])
-   x:xs -> (concatD [prt 0 x , prt 0 xs])
-
-instance Print ConcSpec where
-  prt i e = case e of
-   ConcSpec pident concexp -> prPrec i 0 (concatD [prt 0 pident , doc (showString "=") , prt 0 concexp])
-
-  prtList es = case es of
-   [] -> (concatD [])
-   [x] -> (concatD [prt 0 x])
-   x:xs -> (concatD [prt 0 x , doc (showString ";") , prt 0 xs])
-
-instance Print ConcExp where
-  prt i e = case e of
-   ConcExp pident transfers -> prPrec i 0 (concatD [prt 0 pident , prt 0 transfers])
-
-
-instance Print Transfer where
-  prt i e = case e of
-   TransferIn open -> prPrec i 0 (concatD [doc (showString "(") , doc (showString "transfer") , doc (showString "in") , prt 0 open , doc (showString ")")])
-   TransferOut open -> prPrec i 0 (concatD [doc (showString "(") , doc (showString "transfer") , doc (showString "out") , prt 0 open , doc (showString ")")])
-
-  prtList es = case es of
-   [] -> (concatD [])
-   x:xs -> (concatD [prt 0 x , prt 0 xs])
-
-instance Print ModHeader where
-  prt i e = case e of
-   MModule2 complmod modtype modheaderbody -> prPrec i 0 (concatD [prt 0 complmod , prt 0 modtype , doc (showString "=") , prt 0 modheaderbody])
-
-
-instance Print ModHeaderBody where
-  prt i e = case e of
-   MBody2 extend opens -> prPrec i 0 (concatD [prt 0 extend , prt 0 opens])
-   MNoBody2 includeds -> prPrec i 0 (concatD [prt 0 includeds])
-   MWith2 included opens -> prPrec i 0 (concatD [prt 0 included , doc (showString "with") , prt 0 opens])
-   MWithBody2 included opens0 opens -> prPrec i 0 (concatD [prt 0 included , doc (showString "with") , prt 0 opens0 , doc (showString "**") , prt 0 opens])
-   MWithE2 includeds included opens -> prPrec i 0 (concatD [prt 0 includeds , doc (showString "**") , prt 0 included , doc (showString "with") , prt 0 opens])
-   MWithEBody2 includeds included opens0 opens -> prPrec i 0 (concatD [prt 0 includeds , doc (showString "**") , prt 0 included , doc (showString "with") , prt 0 opens0 , doc (showString "**") , prt 0 opens])
-   MReuse2 pident -> prPrec i 0 (concatD [doc (showString "reuse") , prt 0 pident])
-   MUnion2 includeds -> prPrec i 0 (concatD [doc (showString "union") , prt 0 includeds])
-
-
-instance Print ModType where
-  prt i e = case e of
-   MTAbstract pident -> prPrec i 0 (concatD [doc (showString "abstract") , prt 0 pident])
-   MTResource pident -> prPrec i 0 (concatD [doc (showString "resource") , prt 0 pident])
-   MTInterface pident -> prPrec i 0 (concatD [doc (showString "interface") , prt 0 pident])
-   MTConcrete pident0 pident -> prPrec i 0 (concatD [doc (showString "concrete") , prt 0 pident0 , doc (showString "of") , prt 0 pident])
-   MTInstance pident0 pident -> prPrec i 0 (concatD [doc (showString "instance") , prt 0 pident0 , doc (showString "of") , prt 0 pident])
-   MTTransfer pident open0 open -> prPrec i 0 (concatD [doc (showString "transfer") , prt 0 pident , doc (showString ":") , prt 0 open0 , doc (showString "->") , prt 0 open])
-
-
-instance Print ModBody where
-  prt i e = case e of
-   MBody extend opens topdefs -> prPrec i 0 (concatD [prt 0 extend , prt 0 opens , doc (showString "{") , prt 0 topdefs , doc (showString "}")])
-   MNoBody includeds -> prPrec i 0 (concatD [prt 0 includeds])
-   MWith included opens -> prPrec i 0 (concatD [prt 0 included , doc (showString "with") , prt 0 opens])
-   MWithBody included opens0 opens topdefs -> prPrec i 0 (concatD [prt 0 included , doc (showString "with") , prt 0 opens0 , doc (showString "**") , prt 0 opens , doc (showString "{") , prt 0 topdefs , doc (showString "}")])
-   MWithE includeds included opens -> prPrec i 0 (concatD [prt 0 includeds , doc (showString "**") , prt 0 included , doc (showString "with") , prt 0 opens])
-   MWithEBody includeds included opens0 opens topdefs -> prPrec i 0 (concatD [prt 0 includeds , doc (showString "**") , prt 0 included , doc (showString "with") , prt 0 opens0 , doc (showString "**") , prt 0 opens , doc (showString "{") , prt 0 topdefs , doc (showString "}")])
-   MReuse pident -> prPrec i 0 (concatD [doc (showString "reuse") , prt 0 pident])
-   MUnion includeds -> prPrec i 0 (concatD [doc (showString "union") , prt 0 includeds])
-
-
-instance Print Extend where
-  prt i e = case e of
-   Ext includeds -> prPrec i 0 (concatD [prt 0 includeds , doc (showString "**")])
-   NoExt  -> prPrec i 0 (concatD [])
-
-
-instance Print Opens where
-  prt i e = case e of
-   NoOpens  -> prPrec i 0 (concatD [])
-   OpenIn opens -> prPrec i 0 (concatD [doc (showString "open") , prt 0 opens , doc (showString "in")])
-
-
-instance Print Open where
-  prt i e = case e of
-   OName pident -> prPrec i 0 (concatD [prt 0 pident])
-   OQualQO qualopen pident -> prPrec i 0 (concatD [doc (showString "(") , prt 0 qualopen , prt 0 pident , doc (showString ")")])
-   OQual qualopen pident0 pident -> prPrec i 0 (concatD [doc (showString "(") , prt 0 qualopen , prt 0 pident0 , doc (showString "=") , prt 0 pident , doc (showString ")")])
-
-  prtList es = case es of
-   [] -> (concatD [])
-   [x] -> (concatD [prt 0 x])
-   x:xs -> (concatD [prt 0 x , doc (showString ",") , prt 0 xs])
-
-instance Print ComplMod where
-  prt i e = case e of
-   CMCompl  -> prPrec i 0 (concatD [])
-   CMIncompl  -> prPrec i 0 (concatD [doc (showString "incomplete")])
-
-
-instance Print QualOpen where
-  prt i e = case e of
-   QOCompl  -> prPrec i 0 (concatD [])
-   QOIncompl  -> prPrec i 0 (concatD [doc (showString "incomplete")])
-   QOInterface  -> prPrec i 0 (concatD [doc (showString "interface")])
-
-
-instance Print Included where
-  prt i e = case e of
-   IAll pident -> prPrec i 0 (concatD [prt 0 pident])
-   ISome pident pidents -> prPrec i 0 (concatD [prt 0 pident , doc (showString "[") , prt 0 pidents , doc (showString "]")])
-   IMinus pident pidents -> prPrec i 0 (concatD [prt 0 pident , doc (showString "-") , doc (showString "[") , prt 0 pidents , doc (showString "]")])
-
-  prtList es = case es of
-   [] -> (concatD [])
-   [x] -> (concatD [prt 0 x])
-   x:xs -> (concatD [prt 0 x , doc (showString ",") , prt 0 xs])
-
-instance Print Def where
-  prt i e = case e of
-   DDecl names exp -> prPrec i 0 (concatD [prt 0 names , doc (showString ":") , prt 0 exp])
-   DDef names exp -> prPrec i 0 (concatD [prt 0 names , doc (showString "=") , prt 0 exp])
-   DPatt name patts exp -> prPrec i 0 (concatD [prt 0 name , prt 0 patts , doc (showString "=") , prt 0 exp])
-   DFull names exp0 exp -> prPrec i 0 (concatD [prt 0 names , doc (showString ":") , prt 0 exp0 , doc (showString "=") , prt 0 exp])
-
-  prtList es = case es of
-   [x] -> (concatD [prt 0 x , doc (showString ";")])
-   x:xs -> (concatD [prt 0 x , doc (showString ";") , prt 0 xs])
-
-instance Print TopDef where
-  prt i e = case e of
-   DefCat catdefs -> prPrec i 0 (concatD [doc (showString "cat") , prt 0 catdefs])
-   DefFun fundefs -> prPrec i 0 (concatD [doc (showString "fun") , prt 0 fundefs])
-   DefFunData fundefs -> prPrec i 0 (concatD [doc (showString "data") , prt 0 fundefs])
-   DefDef defs -> prPrec i 0 (concatD [doc (showString "def") , prt 0 defs])
-   DefData datadefs -> prPrec i 0 (concatD [doc (showString "data") , prt 0 datadefs])
-   DefTrans defs -> prPrec i 0 (concatD [doc (showString "transfer") , prt 0 defs])
-   DefPar pardefs -> prPrec i 0 (concatD [doc (showString "param") , prt 0 pardefs])
-   DefOper defs -> prPrec i 0 (concatD [doc (showString "oper") , prt 0 defs])
-   DefLincat printdefs -> prPrec i 0 (concatD [doc (showString "lincat") , prt 0 printdefs])
-   DefLindef defs -> prPrec i 0 (concatD [doc (showString "lindef") , prt 0 defs])
-   DefLin defs -> prPrec i 0 (concatD [doc (showString "lin") , prt 0 defs])
-   DefPrintCat printdefs -> prPrec i 0 (concatD [doc (showString "printname") , doc (showString "cat") , prt 0 printdefs])
-   DefPrintFun printdefs -> prPrec i 0 (concatD [doc (showString "printname") , doc (showString "fun") , prt 0 printdefs])
-   DefFlag flagdefs -> prPrec i 0 (concatD [doc (showString "flags") , prt 0 flagdefs])
-   DefPrintOld printdefs -> prPrec i 0 (concatD [doc (showString "printname") , prt 0 printdefs])
-   DefLintype defs -> prPrec i 0 (concatD [doc (showString "lintype") , prt 0 defs])
-   DefPattern defs -> prPrec i 0 (concatD [doc (showString "pattern") , prt 0 defs])
-   DefPackage pident topdefs -> prPrec i 0 (concatD [doc (showString "package") , prt 0 pident , doc (showString "=") , doc (showString "{") , prt 0 topdefs , doc (showString "}") , doc (showString ";")])
-   DefVars defs -> prPrec i 0 (concatD [doc (showString "var") , prt 0 defs])
-   DefTokenizer pident -> prPrec i 0 (concatD [doc (showString "tokenizer") , prt 0 pident , doc (showString ";")])
-
-  prtList es = case es of
-   [] -> (concatD [])
-   x:xs -> (concatD [prt 0 x , prt 0 xs])
-
-instance Print CatDef where
-  prt i e = case e of
-   SimpleCatDef pident ddecls -> prPrec i 0 (concatD [prt 0 pident , prt 0 ddecls])
-   ListCatDef pident ddecls -> prPrec i 0 (concatD [doc (showString "[") , prt 0 pident , prt 0 ddecls , doc (showString "]")])
-   ListSizeCatDef pident ddecls n -> prPrec i 0 (concatD [doc (showString "[") , prt 0 pident , prt 0 ddecls , doc (showString "]") , doc (showString "{") , prt 0 n , doc (showString "}")])
-
-  prtList es = case es of
-   [x] -> (concatD [prt 0 x , doc (showString ";")])
-   x:xs -> (concatD [prt 0 x , doc (showString ";") , prt 0 xs])
-
-instance Print FunDef where
-  prt i e = case e of
-   FunDef pidents exp -> prPrec i 0 (concatD [prt 0 pidents , doc (showString ":") , prt 0 exp])
-
-  prtList es = case es of
-   [x] -> (concatD [prt 0 x , doc (showString ";")])
-   x:xs -> (concatD [prt 0 x , doc (showString ";") , prt 0 xs])
-
-instance Print DataDef where
-  prt i e = case e of
-   DataDef pident dataconstrs -> prPrec i 0 (concatD [prt 0 pident , doc (showString "=") , prt 0 dataconstrs])
-
-  prtList es = case es of
-   [x] -> (concatD [prt 0 x , doc (showString ";")])
-   x:xs -> (concatD [prt 0 x , doc (showString ";") , prt 0 xs])
-
-instance Print DataConstr where
-  prt i e = case e of
-   DataId pident -> prPrec i 0 (concatD [prt 0 pident])
-   DataQId pident0 pident -> prPrec i 0 (concatD [prt 0 pident0 , doc (showString ".") , prt 0 pident])
-
-  prtList es = case es of
-   [] -> (concatD [])
-   [x] -> (concatD [prt 0 x])
-   x:xs -> (concatD [prt 0 x , doc (showString "|") , prt 0 xs])
-
-instance Print ParDef where
-  prt i e = case e of
-   ParDefDir pident parconstrs -> prPrec i 0 (concatD [prt 0 pident , doc (showString "=") , prt 0 parconstrs])
-   ParDefIndir pident0 pident -> prPrec i 0 (concatD [prt 0 pident0 , doc (showString "=") , doc (showString "(") , doc (showString "in") , prt 0 pident , doc (showString ")")])
-   ParDefAbs pident -> prPrec i 0 (concatD [prt 0 pident])
-
-  prtList es = case es of
-   [x] -> (concatD [prt 0 x , doc (showString ";")])
-   x:xs -> (concatD [prt 0 x , doc (showString ";") , prt 0 xs])
-
-instance Print ParConstr where
-  prt i e = case e of
-   ParConstr pident ddecls -> prPrec i 0 (concatD [prt 0 pident , prt 0 ddecls])
-
-  prtList es = case es of
-   [] -> (concatD [])
-   [x] -> (concatD [prt 0 x])
-   x:xs -> (concatD [prt 0 x , doc (showString "|") , prt 0 xs])
-
-instance Print PrintDef where
-  prt i e = case e of
-   PrintDef names exp -> prPrec i 0 (concatD [prt 0 names , doc (showString "=") , prt 0 exp])
-
-  prtList es = case es of
-   [x] -> (concatD [prt 0 x , doc (showString ";")])
-   x:xs -> (concatD [prt 0 x , doc (showString ";") , prt 0 xs])
-
-instance Print FlagDef where
-  prt i e = case e of
-   FlagDef pident0 pident -> prPrec i 0 (concatD [prt 0 pident0 , doc (showString "=") , prt 0 pident])
-
-  prtList es = case es of
-   [x] -> (concatD [prt 0 x , doc (showString ";")])
-   x:xs -> (concatD [prt 0 x , doc (showString ";") , prt 0 xs])
-
-instance Print Name where
-  prt i e = case e of
-   IdentName pident -> prPrec i 0 (concatD [prt 0 pident])
-   ListName pident -> prPrec i 0 (concatD [doc (showString "[") , prt 0 pident , doc (showString "]")])
-
-  prtList es = case es of
-   [x] -> (concatD [prt 0 x])
-   x:xs -> (concatD [prt 0 x , doc (showString ",") , prt 0 xs])
-
-instance Print LocDef where
-  prt i e = case e of
-   LDDecl pidents exp -> prPrec i 0 (concatD [prt 0 pidents , doc (showString ":") , prt 0 exp])
-   LDDef pidents exp -> prPrec i 0 (concatD [prt 0 pidents , doc (showString "=") , prt 0 exp])
-   LDFull pidents exp0 exp -> prPrec i 0 (concatD [prt 0 pidents , doc (showString ":") , prt 0 exp0 , doc (showString "=") , prt 0 exp])
-
-  prtList es = case es of
-   [] -> (concatD [])
-   [x] -> (concatD [prt 0 x])
-   x:xs -> (concatD [prt 0 x , doc (showString ";") , prt 0 xs])
-
-instance Print Exp where
-  prt i e = case e of
-   EIdent pident -> prPrec i 6 (concatD [prt 0 pident])
-   EConstr pident -> prPrec i 6 (concatD [doc (showString "{") , prt 0 pident , doc (showString "}")])
-   ECons pident -> prPrec i 6 (concatD [doc (showString "%") , prt 0 pident , doc (showString "%")])
-   ESort sort -> prPrec i 6 (concatD [prt 0 sort])
-   EString str -> prPrec i 6 (concatD [prt 0 str])
-   EInt n -> prPrec i 6 (concatD [prt 0 n])
-   EFloat d -> prPrec i 6 (concatD [prt 0 d])
-   EMeta  -> prPrec i 6 (concatD [doc (showString "?")])
-   EEmpty  -> prPrec i 6 (concatD [doc (showString "[") , doc (showString "]")])
-   EData  -> prPrec i 6 (concatD [doc (showString "data")])
-   EList pident exps -> prPrec i 6 (concatD [doc (showString "[") , prt 0 pident , prt 0 exps , doc (showString "]")])
-   EStrings str -> prPrec i 6 (concatD [doc (showString "[") , prt 0 str , doc (showString "]")])
-   ERecord locdefs -> prPrec i 6 (concatD [doc (showString "{") , prt 0 locdefs , doc (showString "}")])
-   ETuple tuplecomps -> prPrec i 6 (concatD [doc (showString "<") , prt 0 tuplecomps , doc (showString ">")])
-   EIndir pident -> prPrec i 6 (concatD [doc (showString "(") , doc (showString "in") , prt 0 pident , doc (showString ")")])
-   ETyped exp0 exp -> prPrec i 6 (concatD [doc (showString "<") , prt 0 exp0 , doc (showString ":") , prt 0 exp , doc (showString ">")])
-   EProj exp label -> prPrec i 5 (concatD [prt 5 exp , doc (showString ".") , prt 0 label])
-   EQConstr pident0 pident -> prPrec i 5 (concatD [doc (showString "{") , prt 0 pident0 , doc (showString ".") , prt 0 pident , doc (showString "}")])
-   EQCons pident0 pident -> prPrec i 5 (concatD [doc (showString "%") , prt 0 pident0 , doc (showString ".") , prt 0 pident])
-   EApp exp0 exp -> prPrec i 4 (concatD [prt 4 exp0 , prt 5 exp])
-   ETable cases -> prPrec i 4 (concatD [doc (showString "table") , doc (showString "{") , prt 0 cases , doc (showString "}")])
-   ETTable exp cases -> prPrec i 4 (concatD [doc (showString "table") , prt 6 exp , doc (showString "{") , prt 0 cases , doc (showString "}")])
-   EVTable exp exps -> prPrec i 4 (concatD [doc (showString "table") , prt 6 exp , doc (showString "[") , prt 0 exps , doc (showString "]")])
-   ECase exp cases -> prPrec i 4 (concatD [doc (showString "case") , prt 0 exp , doc (showString "of") , doc (showString "{") , prt 0 cases , doc (showString "}")])
-   EVariants exps -> prPrec i 4 (concatD [doc (showString "variants") , doc (showString "{") , prt 0 exps , doc (showString "}")])
-   EPre exp alterns -> prPrec i 4 (concatD [doc (showString "pre") , doc (showString "{") , prt 0 exp , doc (showString ";") , prt 0 alterns , doc (showString "}")])
-   EStrs exps -> prPrec i 4 (concatD [doc (showString "strs") , doc (showString "{") , prt 0 exps , doc (showString "}")])
-   EConAt pident exp -> prPrec i 4 (concatD [prt 0 pident , doc (showString "@") , prt 6 exp])
-   EPatt patt -> prPrec i 4 (concatD [doc (showString "#") , prt 2 patt])
-   EPattType exp -> prPrec i 4 (concatD [doc (showString "pattern") , prt 5 exp])
-   ESelect exp0 exp -> prPrec i 3 (concatD [prt 3 exp0 , doc (showString "!") , prt 4 exp])
-   ETupTyp exp0 exp -> prPrec i 3 (concatD [prt 3 exp0 , doc (showString "*") , prt 4 exp])
-   EExtend exp0 exp -> prPrec i 3 (concatD [prt 3 exp0 , doc (showString "**") , prt 4 exp])
-   EGlue exp0 exp -> prPrec i 2 (concatD [prt 3 exp0 , doc (showString "+") , prt 2 exp])
-   EConcat exp0 exp -> prPrec i 1 (concatD [prt 2 exp0 , doc (showString "++") , prt 1 exp])
-   EVariant exp0 exp -> prPrec i 0 (concatD [prt 1 exp0 , doc (showString "|") , prt 0 exp])
-   EAbstr binds exp -> prPrec i 0 (concatD [doc (showString "\\") , prt 0 binds , doc (showString "->") , prt 0 exp])
-   ECTable binds exp -> prPrec i 0 (concatD [doc (showString "\\") , doc (showString "\\") , prt 0 binds , doc (showString "=>") , prt 0 exp])
-   EProd decl exp -> prPrec i 0 (concatD [prt 0 decl , doc (showString "->") , prt 0 exp])
-   ETType exp0 exp -> prPrec i 0 (concatD [prt 3 exp0 , doc (showString "=>") , prt 0 exp])
-   ELet locdefs exp -> prPrec i 0 (concatD [doc (showString "let") , doc (showString "{") , prt 0 locdefs , doc (showString "}") , doc (showString "in") , prt 0 exp])
-   ELetb locdefs exp -> prPrec i 0 (concatD [doc (showString "let") , prt 0 locdefs , doc (showString "in") , prt 0 exp])
-   EWhere exp locdefs -> prPrec i 0 (concatD [prt 3 exp , doc (showString "where") , doc (showString "{") , prt 0 locdefs , doc (showString "}")])
-   EEqs equations -> prPrec i 0 (concatD [doc (showString "fn") , doc (showString "{") , prt 0 equations , doc (showString "}")])
-   EExample exp str -> prPrec i 0 (concatD [doc (showString "in") , prt 5 exp , prt 0 str])
-   ELString lstring -> prPrec i 6 (concatD [prt 0 lstring])
-   ELin pident -> prPrec i 4 (concatD [doc (showString "Lin") , prt 0 pident])
-
-  prtList es = case es of
-   [] -> (concatD [])
-   [x] -> (concatD [prt 0 x])
-   x:xs -> (concatD [prt 0 x , doc (showString ";") , prt 0 xs])
-
-instance Print Exps where
-  prt i e = case e of
-   NilExp  -> prPrec i 0 (concatD [])
-   ConsExp exp exps -> prPrec i 0 (concatD [prt 6 exp , prt 0 exps])
-
-
-instance Print Patt where
-  prt i e = case e of
-   PChar  -> prPrec i 2 (concatD [doc (showString "?")])
-   PChars str -> prPrec i 2 (concatD [doc (showString "[") , prt 0 str , doc (showString "]")])
-   PMacro pident -> prPrec i 2 (concatD [doc (showString "#") , prt 0 pident])
-   PM pident0 pident -> prPrec i 2 (concatD [doc (showString "#") , prt 0 pident0 , doc (showString ".") , prt 0 pident])
-   PW  -> prPrec i 2 (concatD [doc (showString "_")])
-   PV pident -> prPrec i 2 (concatD [prt 0 pident])
-   PCon pident -> prPrec i 2 (concatD [doc (showString "{") , prt 0 pident , doc (showString "}")])
-   PQ pident0 pident -> prPrec i 2 (concatD [prt 0 pident0 , doc (showString ".") , prt 0 pident])
-   PInt n -> prPrec i 2 (concatD [prt 0 n])
-   PFloat d -> prPrec i 2 (concatD [prt 0 d])
-   PStr str -> prPrec i 2 (concatD [prt 0 str])
-   PR pattasss -> prPrec i 2 (concatD [doc (showString "{") , prt 0 pattasss , doc (showString "}")])
-   PTup patttuplecomps -> prPrec i 2 (concatD [doc (showString "<") , prt 0 patttuplecomps , doc (showString ">")])
-   PC pident patts -> prPrec i 1 (concatD [prt 0 pident , prt 0 patts])
-   PQC pident0 pident patts -> prPrec i 1 (concatD [prt 0 pident0 , doc (showString ".") , prt 0 pident , prt 0 patts])
-   PDisj patt0 patt -> prPrec i 0 (concatD [prt 0 patt0 , doc (showString "|") , prt 1 patt])
-   PSeq patt0 patt -> prPrec i 0 (concatD [prt 0 patt0 , doc (showString "+") , prt 1 patt])
-   PRep patt -> prPrec i 1 (concatD [prt 2 patt , doc (showString "*")])
-   PAs pident patt -> prPrec i 1 (concatD [prt 0 pident , doc (showString "@") , prt 2 patt])
-   PNeg patt -> prPrec i 1 (concatD [doc (showString "-") , prt 2 patt])
-
-  prtList es = case es of
-   [x] -> (concatD [prt 2 x])
-   x:xs -> (concatD [prt 2 x , prt 0 xs])
-
-instance Print PattAss where
-  prt i e = case e of
-   PA pidents patt -> prPrec i 0 (concatD [prt 0 pidents , doc (showString "=") , prt 0 patt])
-
-  prtList es = case es of
-   [] -> (concatD [])
-   [x] -> (concatD [prt 0 x])
-   x:xs -> (concatD [prt 0 x , doc (showString ";") , prt 0 xs])
-
-instance Print Label where
-  prt i e = case e of
-   LIdent pident -> prPrec i 0 (concatD [prt 0 pident])
-   LVar n -> prPrec i 0 (concatD [doc (showString "$") , prt 0 n])
-
-
-instance Print Sort where
-  prt i e = case e of
-   Sort_Type  -> prPrec i 0 (concatD [doc (showString "Type")])
-   Sort_PType  -> prPrec i 0 (concatD [doc (showString "PType")])
-   Sort_Tok  -> prPrec i 0 (concatD [doc (showString "Tok")])
-   Sort_Str  -> prPrec i 0 (concatD [doc (showString "Str")])
-   Sort_Strs  -> prPrec i 0 (concatD [doc (showString "Strs")])
-
-
-instance Print Bind where
-  prt i e = case e of
-   BIdent pident -> prPrec i 0 (concatD [prt 0 pident])
-   BWild  -> prPrec i 0 (concatD [doc (showString "_")])
-
-  prtList es = case es of
-   [] -> (concatD [])
-   [x] -> (concatD [prt 0 x])
-   x:xs -> (concatD [prt 0 x , doc (showString ",") , prt 0 xs])
-
-instance Print Decl where
-  prt i e = case e of
-   DDec binds exp -> prPrec i 0 (concatD [doc (showString "(") , prt 0 binds , doc (showString ":") , prt 0 exp , doc (showString ")")])
-   DExp exp -> prPrec i 0 (concatD [prt 4 exp])
-
-
-instance Print TupleComp where
-  prt i e = case e of
-   TComp exp -> prPrec i 0 (concatD [prt 0 exp])
-
-  prtList es = case es of
-   [] -> (concatD [])
-   [x] -> (concatD [prt 0 x])
-   x:xs -> (concatD [prt 0 x , doc (showString ",") , prt 0 xs])
-
-instance Print PattTupleComp where
-  prt i e = case e of
-   PTComp patt -> prPrec i 0 (concatD [prt 0 patt])
-
-  prtList es = case es of
-   [] -> (concatD [])
-   [x] -> (concatD [prt 0 x])
-   x:xs -> (concatD [prt 0 x , doc (showString ",") , prt 0 xs])
-
-instance Print Case where
-  prt i e = case e of
-   Case patt exp -> prPrec i 0 (concatD [prt 0 patt , doc (showString "=>") , prt 0 exp])
-
-  prtList es = case es of
-   [x] -> (concatD [prt 0 x])
-   x:xs -> (concatD [prt 0 x , doc (showString ";") , prt 0 xs])
-
-instance Print Equation where
-  prt i e = case e of
-   Equ patts exp -> prPrec i 0 (concatD [prt 0 patts , doc (showString "->") , prt 0 exp])
-
-  prtList es = case es of
-   [] -> (concatD [])
-   [x] -> (concatD [prt 0 x])
-   x:xs -> (concatD [prt 0 x , doc (showString ";") , prt 0 xs])
-
-instance Print Altern where
-  prt i e = case e of
-   Alt exp0 exp -> prPrec i 0 (concatD [prt 0 exp0 , doc (showString "/") , prt 0 exp])
-
-  prtList es = case es of
-   [] -> (concatD [])
-   [x] -> (concatD [prt 0 x])
-   x:xs -> (concatD [prt 0 x , doc (showString ";") , prt 0 xs])
-
-instance Print DDecl where
-  prt i e = case e of
-   DDDec binds exp -> prPrec i 0 (concatD [doc (showString "(") , prt 0 binds , doc (showString ":") , prt 0 exp , doc (showString ")")])
-   DDExp exp -> prPrec i 0 (concatD [prt 6 exp])
-
-  prtList es = case es of
-   [] -> (concatD [])
-   x:xs -> (concatD [prt 0 x , prt 0 xs])
-
-instance Print OldGrammar where
-  prt i e = case e of
-   OldGr include topdefs -> prPrec i 0 (concatD [prt 0 include , prt 0 topdefs])
-
-
-instance Print Include where
-  prt i e = case e of
-   NoIncl  -> prPrec i 0 (concatD [])
-   Incl filenames -> prPrec i 0 (concatD [doc (showString "include") , prt 0 filenames])
-
-
-instance Print FileName where
-  prt i e = case e of
-   FString str -> prPrec i 0 (concatD [prt 0 str])
-   FIdent pident -> prPrec i 0 (concatD [prt 0 pident])
-   FSlash filename -> prPrec i 0 (concatD [doc (showString "/") , prt 0 filename])
-   FDot filename -> prPrec i 0 (concatD [doc (showString ".") , prt 0 filename])
-   FMinus filename -> prPrec i 0 (concatD [doc (showString "-") , prt 0 filename])
-   FAddId pident filename -> prPrec i 0 (concatD [prt 0 pident , prt 0 filename])
-
-  prtList es = case es of
-   [x] -> (concatD [prt 0 x , doc (showString ";")])
-   x:xs -> (concatD [prt 0 x , doc (showString ";") , prt 0 xs])
-
-