X-Git-Url: https://git.stderr.nl/gitweb?a=blobdiff_plain;f=CoreTools.hs;h=a8dce3fab43ac345762307704a27b6d1e31592b3;hb=e230d86ae7135a268a72cdffba947a9011001ec2;hp=31af5f8914e9f0b2ce95eb104aa20cef0c997c37;hpb=6cd03137e536e134852490f5a736a526cd014da9;p=matthijs%2Fmaster-project%2Fc%CE%BBash.git

diff --git a/CoreTools.hs b/CoreTools.hs
index 31af5f8..a8dce3f 100644
--- a/CoreTools.hs
+++ b/CoreTools.hs
@@ -5,17 +5,25 @@
 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 Name
 import qualified OccName
-import qualified HsBinds
+import qualified TysWiredIn
+import qualified Bag
+import qualified DynFlags
 import qualified SrcLoc
+import qualified CoreSyn
+import qualified Var
+import qualified Unique
+import qualified CoreUtils
 
-import qualified HsTools
+import GhcTools
+import HsTools
 
 -- | Evaluate a core Type representing type level int from the tfp
 -- library to a real int.
@@ -39,10 +47,11 @@ 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
+-- | Get the width of a SizedWord type
 sized_word_len :: Type.Type -> Int
 sized_word_len ty =
   eval_tfp_int len
@@ -50,3 +59,43 @@ 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 
+
+-- | Get the length of a FSVec type
+tfvec_len :: Type.Type -> Int
+tfvec_len ty =
+  eval_tfp_int len
+  where 
+    (tycon, args) = Type.splitTyConApp ty
+    [len, el_ty] = args
+
+-- Is this a wild binder?
+is_wild :: CoreSyn.CoreBndr -> Bool
+-- wild binders have a particular unique, that we copied from MkCore.lhs to
+-- here. However, this comparison didn't work, so we'll just check the
+-- occstring for now... TODO
+--(Var.varUnique bndr) == (Unique.mkBuiltinUnique 1)
+is_wild bndr = "wild" == (OccName.occNameString . Name.nameOccName . Var.varName) bndr
+
+-- Is the given core expression a lambda abstraction?
+is_lam :: CoreSyn.CoreExpr -> Bool
+is_lam (CoreSyn.Lam _ _) = True
+is_lam _ = False
+
+-- Is the given core expression of a function type?
+is_fun :: CoreSyn.CoreExpr -> Bool
+is_fun = Type.isFunTy . CoreUtils.exprType