import Type ( Type )
import BasicTypes( Boxity(..), RecFlag(Recursive),
NewOrData(..), StrictnessMark(..) )
-import FastString( mkFastString )
+import ForeignCall ( Safety(..), CCallConv(..), CCallTarget(..) )
+import HsDecls ( CImportSpec(..), ForeignImport(..), ForeignDecl(..) )
+import FastString( mkFastString, nilFS )
import Char ( ord, isAlphaNum )
import List ( partition )
import Outputable
cvt_top (Proto nm typ) = SigD (Sig (vName nm) (cvtType typ) loc0)
+cvt_top (Foreign (Import callconv safety from nm typ))
+ = ForD (ForeignImport (vName nm) (cvtType typ) fi False loc0)
+ where fi = CImport callconv' safety' c_header nilFS cis
+ callconv' = case callconv of
+ CCall -> CCallConv
+ StdCall -> StdCallConv
+ safety' = case safety of
+ Unsafe -> PlayRisky
+ Safe -> PlaySafe False
+ Threadsafe -> PlaySafe True
+ (c_header', c_func') = break (== ' ') from
+ c_header = mkFastString c_header'
+ c_func = tail c_func'
+ cis = CFunction (StaticTarget (mkFastString c_func))
+
noContext = []
noExistentials = []
noFunDeps = []
ResultStmt (cvt y) loc0] loc0
cvtOverLit :: Lit -> HsOverLit
-cvtOverLit (Int i) = mkHsIntegral (fromInt i)
+cvtOverLit (Integer i) = mkHsIntegral i
cvtOverLit (Rational r) = mkHsFractional r
--- An Int is like an an (overloaded) '3' in a Haskell source program
+-- An Integer is like an an (overloaded) '3' in a Haskell source program
-- Similarly 3.5 for fractionals
cvtLit :: Lit -> HsLit
overloadedLit :: Lit -> Bool
-- True for literals that Haskell treats as overloaded
-overloadedLit (Int l) = True
-overloadedLit l = False
+overloadedLit (Integer l) = True
+overloadedLit (Rational l) = True
+overloadedLit l = False
void :: Type.Type
void = placeHolderType
loc0 :: SrcLoc
loc0 = generatedSrcLoc
-fromInt :: Int -> Integer
-fromInt x = toInteger x
-
-- variable names
vName :: String -> RdrName
vName = mkName varName