remove empty dir

[ghc-hetmet.git] / ghc / compiler / coreSyn / PprExternalCore.lhs

diff --git a/ghc/compiler/coreSyn/PprExternalCore.lhs b/ghc/compiler/coreSyn/PprExternalCore.lhs
index 8ed16c5..26c89cc 100644 (file)
--- a/ghc/compiler/coreSyn/PprExternalCore.lhs
+++ b/ghc/compiler/coreSyn/PprExternalCore.lhs
@@ -3,7 +3,7 @@
 %
 \begin{code}
 
-module PprExternalCore where
+module PprExternalCore () where
 
 import Pretty
 import ExternalCore
@@ -39,32 +39,30 @@ instance Show Lit where
 
 indent = nest 2
 
-pmodule (Module mname {- (texports,dexports,vexports) -}  tdefs vdefs) =
+pmodule (Module mname tdefs vdefgs) =
   (text "%module" <+> text mname)
-{-  $$ indent (parens (((fsep (map pname texports) <> char ',')
-                       $$ (fsep (map pname dexports) <> char ',')
-                       $$ (fsep (map pname vexports)))) 
--}
     $$ indent ((vcat (map ((<> char ';') . ptdef) tdefs))
-              $$ (vcat (map ((<> char ';') . pgvdef) vdefs)))
-
-pgvdef (False,vdef) = text "%local" <+> pvdefg vdef
-pgvdef (True,vdef) = pvdefg vdef
+              $$ (vcat (map ((<> char ';') . pvdefg) vdefgs)))
 
 ptdef (Data tcon tbinds cdefs) =
-  (text "%data" <+> pname tcon <+> (hsep (map ptbind tbinds)) <+> char '=')
+  (text "%data" <+> pqname tcon <+> (hsep (map ptbind tbinds)) <+> char '=')
   $$ indent (braces ((vcat (punctuate (char ';') (map pcdef cdefs)))))
 
-ptdef (Newtype tcon tbinds ty ) =
-  text "%newtype" <+> pname tcon <+> (hsep (map ptbind tbinds)) <+> char '=' <+> pty ty 
+ptdef (Newtype tcon tbinds rep ) =
+  text "%newtype" <+> pqname tcon <+> (hsep (map ptbind tbinds)) <+> repclause
+       where repclause = case rep of
+                           Just ty -> char '=' <+> pty ty 
+                          Nothing -> empty
 
 pcdef (Constr dcon tbinds tys)  =
   (pname dcon) <+> (sep [hsep (map pattbind tbinds),sep (map paty tys)])
+pcdef (GadtConstr dcon ty)  =
+  (pname dcon) <+> text "::" <+> pty ty
 
 pname id = text id
 
 pqname ("",id) = pname id
-pqname (m,id) = pname m <> char '.' <> pname id
+pqname (m,id)  = pname m <> char '.' <> pname id
 
 ptbind (t,Klifted) = pname t
 ptbind (t,k) = parens (pname t <> text "::" <> pkind k)
@@ -127,12 +125,12 @@ pappexp e as = fsep (paexp e : map pa as)
 
 pexp (Lam b e) = char '\\' <+> plamexp [b] e
 pexp (Let vd e) = (text "%let" <+> pvdefg vd) $$ (text "%in" <+> pexp e)
-pexp (Case e vb alts) = sep [text "%case" <+> paexp e,
+pexp (Case e vb ty alts) = sep [text "%case" <+> parens (paty ty) <+> paexp e,
                             text "%of" <+> pvbind vb]
                        $$ (indent (braces (vcat (punctuate (char ';') (map palt alts)))))
 pexp (Coerce t e) = (text "%coerce" <+> paty t) $$ pexp e
 pexp (Note s e) = (text "%note" <+> pstring s) $$ pexp e
-pexp (Ccall n t) = (text "%ccall" <+> pstring n) $$ paty t
+pexp (External n t) = (text "%external" <+> pstring n) $$ paty t
 pexp e = pfexp e
 
 
@@ -159,15 +157,17 @@ pstring s = doubleQuotes(text (escape s))
 
 escape s = foldr f [] (map ord s)
     where 
-     f cv rest | (cv < 0x20 || cv > 0x7e || cv == 0x22 || cv == 0x27 || cv == 0x5c) = 
-        '\\':'u':h3:h2:h1:h0:rest
-           where (q3,r3) = quotRem cv (16*16*16) 
-                h3 = toUpper(intToDigit q3)
-                (q2,r2) = quotRem r3 (16*16)
-                 h2 = toUpper(intToDigit q2)
-                (q1,r1) = quotRem r2 16
-                h1 = toUpper(intToDigit q1)
-                 h0 = toUpper(intToDigit r1)
+     f cv rest
+       | cv > 0xFF = '\\':'x':hs ++ rest
+       | (cv < 0x20 || cv > 0x7e || cv == 0x22 || cv == 0x27 || cv == 0x5c) = 
+        '\\':'x':h1:h0:rest
+           where (q1,r1) = quotRem cv 16
+                h1 = intToDigit q1
+                 h0 = intToDigit r1
+                hs = dropWhile (=='0') $ reverse $ mkHex cv
+                mkHex 0 = ""
+                mkHex cv = intToDigit r : mkHex q
+                   where (q,r) = quotRem cv 16
      f cv rest = (chr cv):rest
 
 \end{code}