Module header tidyup, phase 1

[ghc-hetmet.git] / compiler / coreSyn / CoreLint.lhs

diff --git a/compiler/coreSyn/CoreLint.lhs b/compiler/coreSyn/CoreLint.lhs
index 394140d..a33c469 100644 (file)
--- a/compiler/coreSyn/CoreLint.lhs
+++ b/compiler/coreSyn/CoreLint.lhs
@@ -1,7 +1,9 @@
 %
+% (c) The University of Glasgow 2006
 % (c) The GRASP/AQUA Project, Glasgow University, 1993-1998
 %
-\section[CoreLint]{A ``lint'' pass to check for Core correctness}
+
+A ``lint'' pass to check for Core correctness
 
 \begin{code}
 module CoreLint (
@@ -13,43 +15,32 @@ module CoreLint (
 #include "HsVersions.h"
 
 import CoreSyn
-import CoreFVs         ( idFreeVars )
-import CoreUtils       ( findDefault, exprOkForSpeculation, coreBindsSize )
+import CoreFVs
+import CoreUtils
 import Bag
-import Literal         ( literalType )
-import DataCon         ( dataConRepType, dataConTyCon, dataConWorkId )
-import TysWiredIn      ( tupleCon )
-import Var             ( Var, Id, TyVar, isCoVar, idType, tyVarKind, 
-                         mustHaveLocalBinding, setTyVarKind, setIdType  )
-import VarEnv           ( lookupInScope )
+import Literal
+import DataCon
+import TysWiredIn
+import Var
+import VarEnv
 import VarSet
-import Name            ( getSrcLoc )
+import Name
 import PprCore
-import ErrUtils                ( dumpIfSet_core, ghcExit, Message, showPass,
-                         mkLocMessage, debugTraceMsg )
-import SrcLoc          ( SrcLoc, noSrcLoc, mkSrcSpan )
-import Type            ( Type, tyVarsOfType, coreEqType,
-                         splitFunTy_maybe, mkTyVarTys,
-                         splitForAllTy_maybe, splitTyConApp_maybe,
-                         isUnLiftedType, typeKind, mkForAllTy, mkFunTy,
-                         isUnboxedTupleType, isSubKind,
-                         substTyWith, emptyTvSubst, extendTvInScope, 
-                         TvSubst, TvSubstEnv, mkTvSubst, setTvSubstEnv, substTy,
-                         extendTvSubst, composeTvSubst, substTyVarBndr, isInScope,
-                         getTvSubstEnv, getTvInScope, mkTyVarTy )
-import Coercion         ( Coercion, coercionKind, coercionKindPredTy )
-import TyCon           ( isPrimTyCon, isNewTyCon )
-import BasicTypes      ( RecFlag(..), Boxity(..), isNonRec )
-import StaticFlags     ( opt_PprStyle_Debug )
-import DynFlags                ( DynFlags, DynFlag(..), dopt )
+import ErrUtils
+import SrcLoc
+import Type
+import Coercion
+import TyCon
+import BasicTypes
+import StaticFlags
+import DynFlags
 import Outputable
 
 #ifdef DEBUG
 import Util             ( notNull )
 #endif
 
-import Maybe
-
+import Data.Maybe
 \end{code}
 
 %************************************************************************
@@ -416,12 +407,6 @@ lintTyApp ty arg_ty
                ; checkKinds tyvar arg_ty
                ; return (substTyWith [tyvar] [arg_ty] body) }
 
-lintTyApps fun_ty [] = return fun_ty
-
-lintTyApps fun_ty (arg_ty : arg_tys) = 
-  do { fun_ty' <- lintTyApp fun_ty arg_ty
-     ; lintTyApps fun_ty' arg_tys }
-
 checkKinds tyvar arg_ty
        -- Arg type might be boxed for a function with an uncommitted
        -- tyvar; notably this is used so that we can give