diff options
Diffstat (limited to 'compiler/GHC/HsToCore/Foreign/Utils.hs')
| -rw-r--r-- | compiler/GHC/HsToCore/Foreign/Utils.hs | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/compiler/GHC/HsToCore/Foreign/Utils.hs b/compiler/GHC/HsToCore/Foreign/Utils.hs index c632adabbe..80b6908aaf 100644 --- a/compiler/GHC/HsToCore/Foreign/Utils.hs +++ b/compiler/GHC/HsToCore/Foreign/Utils.hs @@ -1,7 +1,10 @@ +{-# LANGUAGE MultiWayIf #-} + module GHC.HsToCore.Foreign.Utils ( Binding , getPrimTyOf , primTyDescChar + , ppPrimTyConStgType ) where @@ -74,3 +77,29 @@ primTyDescChar !platform ty (signed_word, unsigned_word) = case platformWordSize platform of PW4 -> ('W','w') PW8 -> ('L','l') + +-- | Printed C Type to be used with CAPI calling convention +ppPrimTyConStgType :: TyCon -> Maybe String +ppPrimTyConStgType tc = + if | tc == charPrimTyCon -> Just "StgChar" + | tc == intPrimTyCon -> Just "StgInt" + | tc == int8PrimTyCon -> Just "StgInt8" + | tc == int16PrimTyCon -> Just "StgInt16" + | tc == int32PrimTyCon -> Just "StgInt32" + | tc == int64PrimTyCon -> Just "StgInt64" + | tc == wordPrimTyCon -> Just "StgWord" + | tc == word8PrimTyCon -> Just "StgWord8" + | tc == word16PrimTyCon -> Just "StgWord16" + | tc == word32PrimTyCon -> Just "StgWord32" + | tc == word64PrimTyCon -> Just "StgWord64" + | tc == floatPrimTyCon -> Just "StgFloat" + | tc == doublePrimTyCon -> Just "StgDouble" + | tc == addrPrimTyCon -> Just "StgAddr" + | tc == stablePtrPrimTyCon -> Just "StgStablePtr" + | tc == arrayPrimTyCon -> Just "const StgAddr" + | tc == mutableArrayPrimTyCon -> Just "StgAddr" + | tc == byteArrayPrimTyCon -> Just "const StgAddr" + | tc == mutableByteArrayPrimTyCon -> Just "StgAddr" + | tc == smallArrayPrimTyCon -> Just "const StgAddr" + | tc == smallMutableArrayPrimTyCon -> Just "StgAddr" + | otherwise -> Nothing |