X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=compiler%2Ftypecheck%2FTcType.lhs;h=aa0b0c988062ec9ba862f0cf61f17269ba8d97ef;hb=311b1cdfc9b1c311cc53482c461c18cba8885b2a;hp=21375a94da3ec42b3e6f98687a69cbb3d87623bf;hpb=171d4582f4b9a8e0f11f8738079accbb22bafdcb;p=ghc-hetmet.git diff --git a/compiler/typecheck/TcType.lhs b/compiler/typecheck/TcType.lhs index 21375a9..aa0b0c9 100644 --- a/compiler/typecheck/TcType.lhs +++ b/compiler/typecheck/TcType.lhs @@ -1,4 +1,5 @@ % +% (c) The University of Glasgow 2006 % (c) The GRASP/AQUA Project, Glasgow University, 1992-1998 % \section[TcType]{Types used in the typechecker} @@ -68,7 +69,7 @@ module TcType ( isClassPred, isTyVarClassPred, isEqPred, mkDictTy, tcSplitPredTy_maybe, isPredTy, isDictTy, tcSplitDFunTy, tcSplitDFunHead, predTyUnique, - mkClassPred, isInheritablePred, isLinearPred, isIPPred, mkPredName, + mkClassPred, isInheritablePred, isIPPred, mkPredName, dataConsStupidTheta, isRefineableTy, --------------------------------- @@ -129,71 +130,33 @@ module TcType ( #include "HsVersions.h" -- friends: -import TypeRep ( Type(..), funTyCon, Kind ) -- friend - -import Type ( -- Re-exports - tyVarsOfType, tyVarsOfTypes, tyVarsOfPred, - tyVarsOfTheta, Kind, PredType(..), KindVar, - ThetaType, isUnliftedTypeKind, unliftedTypeKind, - argTypeKind, - liftedTypeKind, openTypeKind, mkArrowKind, - tySuperKind, isLiftedTypeKind, - mkArrowKinds, mkForAllTy, mkForAllTys, - defaultKind, isSubArgTypeKind, isSubOpenTypeKind, - mkFunTy, mkFunTys, zipFunTys, - mkTyConApp, mkAppTy, - mkAppTys, applyTy, applyTys, - mkTyVarTy, mkTyVarTys, mkTyConTy, mkPredTy, - mkPredTys, isUnLiftedType, - isUnboxedTupleType, isPrimitiveType, - splitTyConApp_maybe, - tidyTopType, tidyType, tidyPred, tidyTypes, - tidyFreeTyVars, tidyOpenType, tidyOpenTypes, - tidyTyVarBndr, tidyOpenTyVar, - tidyOpenTyVars, tidyKind, - isSubKind, tcView, - - tcEqType, tcEqTypes, tcCmpType, tcCmpTypes, - tcEqPred, tcCmpPred, tcEqTypeX, eqKind, - - TvSubst(..), - TvSubstEnv, emptyTvSubst, mkTvSubst, zipTyEnv, - mkOpenTvSubst, zipOpenTvSubst, zipTopTvSubst, mkTopTvSubst, - getTvSubstEnv, setTvSubstEnv, getTvInScope, extendTvInScope, - extendTvSubst, extendTvSubstList, isInScope, notElemTvSubst, - substTy, substTys, substTyWith, substTheta, - substTyVar, substTyVarBndr, substPred, lookupTyVar, - - typeKind, repType, coreView, repSplitAppTy_maybe, - pprKind, pprParendKind, - pprType, pprParendType, pprTyThingCategory, - pprPred, pprTheta, pprThetaArrow, pprClassPred - ) -import TyCon ( TyCon, isUnLiftedTyCon, isSynTyCon, isOpenTyCon, - synTyConDefn, tyConUnique ) -import DataCon ( DataCon, dataConStupidTheta, dataConResTys ) -import Class ( Class ) -import Var ( TyVar, Id, isCoVar, isTcTyVar, mkTcTyVar, tyVarName, tyVarKind, tcTyVarDetails ) -import ForeignCall ( Safety, DNType(..) ) -import Unify ( tcMatchTys ) +import TypeRep +import DataCon +import Class +import Var +import ForeignCall +import Unify import VarSet +import Type +import TyCon -- others: -import DynFlags ( DynFlags, DynFlag( Opt_GlasgowExts ), dopt ) -import Name ( Name, NamedThing(..), mkInternalName, getSrcLoc, mkSystemName ) +import DynFlags +import Name import NameSet -import VarEnv ( TidyEnv ) -import OccName ( OccName, mkDictOcc, mkOccName, tvName ) -import PrelNames -- Lots (e.g. in isFFIArgumentTy) -import TysWiredIn ( unitTyCon, charTyCon, listTyCon ) -import BasicTypes ( IPName(..), Arity, ipNameName ) -import SrcLoc ( SrcLoc, SrcSpan ) -import Util ( equalLength ) -import Maybes ( maybeToBool, expectJust, mapCatMaybes ) -import ListSetOps ( hasNoDups ) -import List ( nubBy ) +import VarEnv +import OccName +import PrelNames +import TysWiredIn +import BasicTypes +import SrcLoc +import Util +import Maybes +import ListSetOps import Outputable -import DATA_IOREF + +import Data.List +import Data.IORef \end{code} @@ -864,10 +827,6 @@ getClassPredTys :: PredType -> (Class, [Type]) getClassPredTys (ClassP clas tys) = (clas, tys) getClassPredTys other = panic "getClassPredTys" -isEqPred :: PredType -> Bool -isEqPred (EqPred {}) = True -isEqPred _ = False - mkDictTy :: Class -> [Type] -> Type mkDictTy clas tys = mkPredTy (ClassP clas tys) @@ -895,10 +854,6 @@ isInheritablePred :: PredType -> Bool -- which can be free in g's rhs, and shared by both calls to g isInheritablePred (ClassP _ _) = True isInheritablePred other = False - -isLinearPred :: TcPredType -> Bool -isLinearPred (IParam (Linear n) _) = True -isLinearPred other = False \end{code} --------------------- Equality predicates ---------------------------------