X-Git-Url: https://git.stderr.nl/gitweb?a=blobdiff_plain;f=CoreTools.hs;h=52006fb8d624b14991d49526887a29ff84175ab6;hb=da1ada4d31ea157f61c1c9e0cd3854387ac32218;hp=1e71eb14804ee16d6e1ed7b9cb1f8119d7e5cdaf;hpb=19150b91c6ef62bd9d1da7b615b7364532d902d5;p=matthijs%2Fmaster-project%2Fc%CE%BBash.git diff --git a/CoreTools.hs b/CoreTools.hs index 1e71eb1..52006fb 100644 --- a/CoreTools.hs +++ b/CoreTools.hs @@ -5,17 +5,20 @@ module CoreTools where -- GHC API -import qualified DynFlags +import qualified GHC import qualified Type import qualified HsExpr import qualified HsTypes -import qualified RdrName import qualified HsBinds +import qualified RdrName import qualified OccName -import qualified HsBinds +import qualified TysWiredIn +import qualified Bag +import qualified DynFlags import qualified SrcLoc -import qualified HsTools +import GhcTools +import HsTools -- | Evaluate a core Type representing type level int from the tfp -- library to a real int. @@ -39,5 +42,14 @@ eval_tfp_int ty = (HsBinds.HsValBinds $ (HsBinds.ValBindsIn binds) []) (SrcLoc.noLoc expr) - core <- toCore expr + core <- toCore [] expr execCore core + +-- | Get the length of a SizedWord type +sized_word_len :: Type.Type -> Int +sized_word_len ty = + eval_tfp_int len + where + (tycon, args) = Type.splitTyConApp ty + [len] = args +