X-Git-Url: https://git.stderr.nl/gitweb?a=blobdiff_plain;f=CoreTools.hs;h=a9114565c9aca9c732bc1c73848637b53a787f79;hb=8ebcc3ed9b394000ccd07ffeb541f791444dfbc2;hp=31af5f8914e9f0b2ce95eb104aa20cef0c997c37;hpb=6cd03137e536e134852490f5a736a526cd014da9;p=matthijs%2Fmaster-project%2Fc%CE%BBash.git

diff --git a/CoreTools.hs b/CoreTools.hs
index 31af5f8..a911456 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.
@@ -39,7 +42,8 @@ eval_tfp_int ty =
           (HsBinds.HsValBinds $ (HsBinds.ValBindsIn binds) [])
           (SrcLoc.noLoc expr)
 
-    core <- toCore expr
+    let modules = map GHC.mkModuleName ["Types.Data.Num"]
+    core <- toCore modules expr
     execCore core 
 
 -- | Get the length of a SizedWord type
@@ -50,3 +54,18 @@ sized_word_len ty =
     (tycon, args) = Type.splitTyConApp ty
     [len] = args
 
+-- | 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