Completely new treatment of INLINE pragmas (big patch)

[ghc-hetmet.git] / compiler / typecheck / TcExpr.lhs

diff --git a/compiler/typecheck/TcExpr.lhs b/compiler/typecheck/TcExpr.lhs
index 540292c..687f3d5 100644 (file)
--- a/compiler/typecheck/TcExpr.lhs
+++ b/compiler/typecheck/TcExpr.lhs
@@ -809,12 +809,12 @@ tcId :: InstOrigin
      -> BoxyRhoType                            -- Result type
      -> TcM (HsExpr TcId)
 tcId orig fun_name res_ty
-  = do { traceTc (text "tcId" <+> ppr fun_name <+> ppr res_ty)
-       ; (fun, fun_ty) <- lookupFun orig fun_name
-
+  = do { (fun, fun_ty) <- lookupFun orig fun_name
+        ; traceTc (text "tcId" <+> ppr fun_name <+> (ppr fun_ty $$ ppr res_ty))
+       
        -- Split up the function type
        ; let (tv_theta_prs, fun_tau) = tcMultiSplitSigmaTy fun_ty
-             qtvs = concatMap fst tv_theta_prs -- Quantified tyvars
+             qtvs = concatMap fst tv_theta_prs         -- Quantified tyvars
              tau_qtvs = exactTyVarsOfType fun_tau      -- Mentioned in the tau part
        ; qtv_tys <- preSubType qtvs tau_qtvs fun_tau res_ty
 
@@ -822,6 +822,8 @@ tcId orig fun_name res_ty
        ; let res_subst = zipTopTvSubst qtvs qtv_tys
              fun_tau'  = substTy res_subst fun_tau
 
+        ; traceTc (text "tcId2" <+> ppr fun_name <+> (ppr qtvs $$ ppr qtv_tys))
+
        ; co_fn <- tcSubExp orig fun_tau' res_ty
 
        -- And pack up the results
@@ -1189,9 +1191,11 @@ tcRecordBinds data_con arg_tys (HsRecFields rbinds dd)
        do { rhs' <- tcPolyExprNC rhs field_ty
           ; let field_id = mkUserLocal (nameOccName field_lbl)
                                        (nameUnique field_lbl)
-                                       field_ty loc
-               -- The field_id has the *unique* of the selector Id
-               -- but is a LocalId with the appropriate type of the RHS
+                                       field_ty loc 
+               -- Yuk: the field_id has the *unique* of the selector Id
+               --          (so we can find it easily)
+               --      but is a LocalId with the appropriate type of the RHS
+               --          (so the desugarer knows the type of local binder to make)
           ; return (Just (fld { hsRecFieldId = L loc field_id, hsRecFieldArg = rhs' })) }
       | otherwise
       = do { addErrTc (badFieldCon data_con field_lbl)