[project @ 2003-02-04 12:40:00 by simonpj]

[ghc-hetmet.git] / ghc / utils / genprimopcode / Main.hs

diff --git a/ghc/utils/genprimopcode/Main.hs b/ghc/utils/genprimopcode/Main.hs
index f9306fb..d92d3a9 100644 (file)
--- a/ghc/utils/genprimopcode/Main.hs
+++ b/ghc/utils/genprimopcode/Main.hs
@@ -1,11 +1,16 @@
-
+{-# OPTIONS -cpp #-}
 ------------------------------------------------------------------
 -- A primop-table mangling program                              --
 ------------------------------------------------------------------
 
 module Main where
 
+#if __GLASGOW_HASKELL__ >= 504
+import Text.ParserCombinators.Parsec
+#else
 import Parsec
+#endif
+
 import Monad
 import Char
 import List
@@ -378,7 +383,7 @@ ppType (TyApp "RealWorld"   []) = "realWorldTy"
 ppType (TyApp "ThreadId#"   []) = "threadIdPrimTy"
 ppType (TyApp "ForeignObj#" []) = "foreignObjPrimTy"
 ppType (TyApp "BCO#"        []) = "bcoPrimTy"
-ppType (TyApp "Unit"        []) = "unitTy"   -- dodgy
+ppType (TyApp "()"          []) = "unitTy"     -- unitTy is TysWiredIn's name for ()
 
 
 ppType (TyVar "a")               = "alphaTy"
@@ -642,7 +647,7 @@ ppT = alts [apply TyVar pTyvar,
            ]
 
 pTyvar       = sat (`notElem` ["section","primop","with"]) pName
-pTycon       = pConstructor
+pTycon       = alts [pConstructor, lexeme (string "()")]
 pName        = lexeme (then2 (:) lower (many isIdChar))
 pConstructor = lexeme (then2 (:) upper (many isIdChar))