X-Git-Url: https://git.stderr.nl/gitweb?a=blobdiff_plain;f=HsTools.hs;h=967db1880f4d634b657c1931ac9bca3ee3e8890d;hb=8ebcc3ed9b394000ccd07ffeb541f791444dfbc2;hp=a058c84e1e065468d7065349ec1091457407e426;hpb=7351c9c23660a0217c42483e10ac9b7a25cb49b2;p=matthijs%2Fmaster-project%2Fc%CE%BBash.git diff --git a/HsTools.hs b/HsTools.hs index a058c84..967db18 100644 --- a/HsTools.hs +++ b/HsTools.hs @@ -66,8 +66,12 @@ import CoreShow -- (==) = Prelude.(==) Int $dInt -- in -- \x = (==) x 1 -toCore :: HsSyn.HsExpr RdrName.RdrName -> GHC.Ghc CoreSyn.CoreExpr -toCore expr = do +toCore :: + [Module.ModuleName] -- ^ The modules that need to be imported before translating + -- this expression. + -> HsSyn.HsExpr RdrName.RdrName -- ^ The expression to translate to Core. + -> GHC.Ghc CoreSyn.CoreExpr -- ^ The resulting core expression. +toCore modules expr = do env <- GHC.getSession let icontext = HscTypes.hsc_IC env @@ -75,6 +79,7 @@ toCore expr = do -- Translage the TcRn (typecheck-rename) monad into an IO monad TcRnMonad.initTcPrintErrors env PrelNames.iNTERACTIVE $ do (tc_expr, insts) <- TcRnMonad.getLIE $ do + mapM importModule modules -- Rename the expression, resulting in a HsExpr Name (rn_expr, freevars) <- RnExpr.rnExpr expr -- Typecheck the expression, resulting in a HsExpr Id and a list of @@ -148,22 +153,6 @@ execCore expr = do let res = Unsafe.Coerce.unsafeCoerce hval :: Int return $ Unsafe.Coerce.unsafeCoerce hval --- | Evaluate a core Type representing type level int from the TypeLevel --- library to a real int. -eval_type_level_int :: Type.Type -> Int -eval_type_level_int ty = - unsafeRunGhc $ do - -- Automatically import modules for any fully qualified identifiers - setDynFlag DynFlags.Opt_ImplicitImportQualified - - let to_int_name = mkRdrName "Data.TypeLevel.Num.Sets" "toInt" - let to_int = SrcLoc.noLoc $ HsExpr.HsVar to_int_name - let undef = hsTypedUndef $ coreToHsType ty - let app = HsExpr.HsApp (to_int) (undef) - - core <- toCore app - execCore core - -- These functions build (parts of) a LHSExpr RdrName. -- | A reference to the Prelude.undefined function.