X-Git-Url: https://git.stderr.nl/gitweb?a=blobdiff_plain;f=CoreTools.hs;h=3dfaf5016cedb0ede442564d2e22452d9cc16e37;hb=a89f11ef881be9280586aa92abc91639fd8cb9c5;hp=a9114565c9aca9c732bc1c73848637b53a787f79;hpb=430a309686dbaf585844dc129cf7b6aa8568b652;p=matthijs%2Fmaster-project%2Fc%CE%BBash.git

diff --git a/CoreTools.hs b/CoreTools.hs
index a911456..3dfaf50 100644
--- a/CoreTools.hs
+++ b/CoreTools.hs
@@ -11,11 +11,16 @@ import qualified HsExpr
 import qualified HsTypes
 import qualified HsBinds
 import qualified RdrName
+import qualified Name
 import qualified OccName
 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 GhcTools
 import HsTools
@@ -46,7 +51,7 @@ eval_tfp_int ty =
     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
@@ -69,3 +74,28 @@ eval_type_level_int ty =
 
     core <- toCore [] app
     execCore core 
+
+-- | Get the length of a FSVec type
+fsvec_len :: Type.Type -> Int
+fsvec_len ty =
+  eval_type_level_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