X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=compiler%2FbasicTypes%2FVar.lhs;h=d9cedf0b07fd4c1c0a345751747d65de0fb44cd4;hb=4c053d8fca85f8dcd0f6eb5c64fb6868a056aa03;hp=5b3097da7da056b1f561367184fcc463893eee4d;hpb=206b4dec78250efef3cd927d64dc6cbc54a16c3d;p=ghc-hetmet.git diff --git a/compiler/basicTypes/Var.lhs b/compiler/basicTypes/Var.lhs index 5b3097d..d9cedf0 100644 --- a/compiler/basicTypes/Var.lhs +++ b/compiler/basicTypes/Var.lhs @@ -5,13 +5,6 @@ \section{@Vars@: Variables} \begin{code} -{-# OPTIONS -w #-} --- The above warning supression flag is a temporary kludge. --- While working on this module you are encouraged to remove it and fix --- any warnings in the module. See --- http://hackage.haskell.org/trac/ghc/wiki/Commentary/CodingStyle#Warnings --- for details - module Var ( Var, varName, varUnique, varType, @@ -134,9 +127,9 @@ instance Outputable Var where ppr var = ppr (varName var) <+> ifPprDebug (brackets extra) where extra = case var of - GlobalId {} -> ptext SLIT("gid") - LocalId {} -> ptext SLIT("lid") - TyVar {} -> ptext SLIT("tv") + GlobalId {} -> ptext (sLit "gid") + LocalId {} -> ptext (sLit "lid") + TyVar {} -> ptext (sLit "tv") TcTyVar {tcTyVarDetails = details} -> pprTcTyVarDetails details instance Show Var where @@ -185,10 +178,16 @@ setVarName var new_name \begin{code} type TyVar = Var +tyVarName :: TyVar -> Name tyVarName = varName + +tyVarKind :: TyVar -> Kind tyVarKind = varType +setTyVarUnique :: TyVar -> Unique -> TyVar setTyVarUnique = setVarUnique + +setTyVarName :: TyVar -> Name -> TyVar setTyVarName = setVarName setTyVarKind :: TyVar -> Kind -> TyVar @@ -224,9 +223,14 @@ mkTcTyVar name kind details \begin{code} type CoVar = Var -- A coercion variable is simply a type -- variable of kind (ty1 :=: ty2) + +coVarName :: CoVar -> Name coVarName = varName +setCoVarUnique :: CoVar -> Unique -> CoVar setCoVarUnique = setVarUnique + +setCoVarName :: CoVar -> Name -> CoVar setCoVarName = setVarName mkCoVar :: Name -> Kind -> CoVar @@ -243,7 +247,7 @@ mkWildCoVar :: Kind -> TyVar -- so its unique doesn't matter mkWildCoVar kind = ASSERT( isCoercionKind kind ) - TyVar { varName = mkSysTvName wild_uniq FSLIT("co_wild"), + TyVar { varName = mkSysTvName wild_uniq (fsLit "co_wild"), realUnique = _ILIT(1), varType = kind, isCoercionVar = True } @@ -265,6 +269,10 @@ type DictId = Id \end{code} \begin{code} +idName :: Id -> Name +idUnique :: Id -> Unique +idType :: Id -> Kind + idName = varName idUnique = varUnique idType = varType @@ -355,29 +363,30 @@ isTyVar, isTcTyVar :: Var -> Bool isId, isLocalVar, isLocalId :: Var -> Bool isGlobalId, isExportedId :: Var -> Bool mustHaveLocalBinding :: Var -> Bool +isCoVar :: Var -> Bool isTyVar (TyVar {}) = True isTyVar (TcTyVar {}) = True -isTyVar other = False +isTyVar _ = False isTcTyVar (TcTyVar {}) = True -isTcTyVar other = False +isTcTyVar _ = False isId (LocalId {}) = True isId (GlobalId {}) = True -isId other = False +isId _ = False isLocalId (LocalId {}) = True -isLocalId other = False +isLocalId _ = False isCoVar (v@(TyVar {})) = isCoercionVar v -isCoVar other = False +isCoVar _ = False -- isLocalVar returns True for type variables as well as local Ids -- These are the variables that we need to pay attention to when finding free -- variables, or doing dependency analysis. isLocalVar (GlobalId {}) = False -isLocalVar other = True +isLocalVar _ = True -- mustHaveLocalBinding returns True of Ids and TyVars -- that must have a binding in this module. The converse @@ -387,21 +396,21 @@ isLocalVar other = True mustHaveLocalBinding var = isLocalVar var isGlobalId (GlobalId {}) = True -isGlobalId other = False +isGlobalId _ = False -- isExportedId means "don't throw this away" isExportedId (GlobalId {}) = True isExportedId (LocalId {lclDetails = details}) = case details of Exported -> True - other -> False -isExportedId other = False + _ -> False +isExportedId _ = False \end{code} \begin{code} globalIdDetails :: Var -> GlobalIdDetails -- Works OK on local Ids too, returning notGlobalId globalIdDetails (GlobalId {gblDetails = details}) = details -globalIdDetails other = notGlobalId +globalIdDetails _ = notGlobalId \end{code}