%
-% (c) The University of Glasgow 2001
+% (c) The University of Glasgow 2001-2006
%
+
\begin{code}
+{-# OPTIONS -w #-}
+-- The above warning supression flag is a temporary kludge.
+-- While working on this module you are encouraged to remove it and fix
+-- any warnings in the module. See
+-- http://hackage.haskell.org/trac/ghc/wiki/Commentary/CodingStyle#Warnings
+-- for details
module PprExternalCore () where
import Pretty
import ExternalCore
import Char
+import Encoding
instance Show Module where
showsPrec d m = shows (pmodule m)
pcdef (GadtConstr dcon ty) =
(pname dcon) <+> text "::" <+> pty ty
-pname id = text id
+pname id = text (zEncodeString id)
pqname ("",id) = pname id
-pqname (m,id) = pname m <> char '.' <> pname id
+pqname (m,id) = text m <> char '.' <> pname id
ptbind (t,Klifted) = pname t
ptbind (t,k) = parens (pname t <> text "::" <> pkind k)
pakind k = parens (pkind k)
pkind (Karrow k1 k2) = parens (pakind k1 <> text "->" <> pkind k2)
+pkind (Keq t1 t2) = parens (pty t1 <> text ":=:" <> pty t2)
pkind k = pakind k
paty (Tvar n) = pname n
pforall tbs (Tforall tb t) = pforall (tbs ++ [tb]) t
pforall tbs t = hsep (map ptbind tbs) <+> char '.' <+> pty t
-pvdefg (Rec vtes) = text "%rec" $$ braces (indent (vcat (punctuate (char ';') (map pvte vtes))))
-pvdefg (Nonrec vte) = pvte vte
+pvdefg (Rec vdefs) = text "%rec" $$ braces (indent (vcat (punctuate (char ';') (map pvdef vdefs))))
+pvdefg (Nonrec vdef) = pvdef vdef
-pvte (v,t,e) = sep [pname v <+> text "::" <+> pty t <+> char '=',
+pvdef (l,v,t,e) = sep [plocal l <+> pname v <+> text "::" <+> pty t <+> char '=',
indent (pexp e)]
+plocal True = text "%local"
+plocal False = empty
+
paexp (Var x) = pqname x
paexp (Dcon x) = pqname x
paexp (Lit l) = plit l
pexp (Case e vb ty alts) = sep [text "%case" <+> parens (paty ty) <+> paexp e,
text "%of" <+> pvbind vb]
$$ (indent (braces (vcat (punctuate (char ';') (map palt alts)))))
-pexp (Coerce t e) = (text "%coerce" <+> paty t) $$ pexp e
+pexp (Cast e co) = (text "%cast" <+> parens (pexp e)) $$ paty co
pexp (Note s e) = (text "%note" <+> pstring s) $$ pexp e
-pexp (External n t) = (text "%external" <+> pstring n) $$ paty t
+pexp (External n cc t) = (text "%external" <+> text cc <+> pstring n) $$ paty t
+pexp (DynExternal cc t) = (text "%dynexternal" <+> text cc) $$ paty t
+pexp (Label n) = (text "%label" <+> pstring n)
pexp e = pfexp e