X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=ghc%2Fcompiler%2Ftypecheck%2FTcGenDeriv.lhs;h=96680aa07e686515b4826fedc5a110406cb2f2ff;hb=599e42c2948811e71607c5167d9345ddd74d83c3;hp=210710ed304600cebb00e770eea3c7772e2e9ced;hpb=963fe0338cc713342609798543b952170a09a783;p=ghc-hetmet.git diff --git a/ghc/compiler/typecheck/TcGenDeriv.lhs b/ghc/compiler/typecheck/TcGenDeriv.lhs index 210710e..96680aa 100644 --- a/ghc/compiler/typecheck/TcGenDeriv.lhs +++ b/ghc/compiler/typecheck/TcGenDeriv.lhs @@ -28,42 +28,38 @@ module TcGenDeriv ( #include "HsVersions.h" -import HsSyn ( Pat(..), HsConDetails(..), HsExpr(..), MonoBinds(..), - Match(..), GRHSs(..), Stmt(..), HsLit(..), - HsBinds(..), HsType(..), HsStmtContext(..), - unguardedRHS, mkSimpleMatch, mkMonoBind, andMonoBindList, placeHolderType - ) -import RdrName ( RdrName, mkUnqual, mkRdrUnqual, nameRdrName, getRdrName ) +import HsSyn +import RdrName ( RdrName, mkVarUnqual, mkRdrUnqual, getRdrName, mkDerivedRdrName ) import RdrHsSyn ( mkHsOpApp, RdrNameMonoBinds, RdrNameHsExpr, RdrNamePat, mkHsDo ) -import BasicTypes ( RecFlag(..), Fixity(..), FixityDirection(..) - , maxPrecedence - , Boxity(..) - ) +import BasicTypes ( RecFlag(..), Fixity(..), maxPrecedence, Boxity(..) ) import FieldLabel ( fieldLabelName ) import DataCon ( isNullaryDataCon, dataConTag, dataConOrigArgTys, dataConSourceArity, fIRST_TAG, - DataCon, + DataCon, dataConName, dataConFieldLabels ) import Name ( getOccString, getOccName, getSrcLoc, occNameString, - occNameUserString, varName, + occNameUserString, Name, NamedThing(..), isDataSymOcc, isSymOcc ) import HscTypes ( FixityEnv, lookupFixity ) -import PrelNames -- Lots of Names -import PrimOp -- Lots of Names +import PrelInfo +import PrelNames +import TysWiredIn +import MkId ( eRROR_ID ) +import PrimOp ( PrimOp(..) ) import SrcLoc ( generatedSrcLoc, SrcLoc ) import TyCon ( TyCon, isNewTyCon, tyConDataCons, isEnumerationTyCon, - maybeTyConSingleCon, tyConFamilySize, tyConTyVars + maybeTyConSingleCon, tyConFamilySize, tyConTyVars, tyConName ) import TcType ( isUnLiftedType, tcEqType, Type ) -import TysPrim ( charPrimTy, intPrimTy, wordPrimTy, addrPrimTy, floatPrimTy, doublePrimTy ) -import TysWiredIn ( charDataCon, intDataCon, floatDataCon, doubleDataCon, wordDataCon ) +import TysPrim ( charPrimTy, intPrimTy, wordPrimTy, addrPrimTy, floatPrimTy, doublePrimTy, + intPrimTyCon ) +import TysWiredIn ( charDataCon, intDataCon, floatDataCon, doubleDataCon ) import Util ( zipWithEqual, isSingleton, zipWith3Equal, nOfThem, zipEqual ) -import Panic ( panic, assertPanic ) -import Char ( ord, isAlpha ) +import Char ( isAlpha ) import Constants import List ( partition, intersperse ) import Outputable @@ -423,10 +419,10 @@ gen_Enum_binds tycon = mk_easy_FunMonoBind tycon_loc succ_RDR [a_Pat] [] $ untag_Expr tycon [(a_RDR, ah_RDR)] $ HsIf (mkHsApps eq_RDR [HsVar (maxtag_RDR tycon), - mkHsVarApps mkInt_RDR [ah_RDR]]) + mkHsVarApps intDataCon_RDR [ah_RDR]]) (illegal_Expr "succ" occ_nm "tried to take `succ' of last tag in enumeration") (HsApp (HsVar (tag2con_RDR tycon)) - (mkHsApps plus_RDR [mkHsVarApps mkInt_RDR [ah_RDR], + (mkHsApps plus_RDR [mkHsVarApps intDataCon_RDR [ah_RDR], mkHsIntLit 1])) tycon_loc @@ -434,10 +430,10 @@ gen_Enum_binds tycon = mk_easy_FunMonoBind tycon_loc pred_RDR [a_Pat] [] $ untag_Expr tycon [(a_RDR, ah_RDR)] $ HsIf (mkHsApps eq_RDR [mkHsIntLit 0, - mkHsVarApps mkInt_RDR [ah_RDR]]) + mkHsVarApps intDataCon_RDR [ah_RDR]]) (illegal_Expr "pred" occ_nm "tried to take `pred' of first tag in enumeration") (HsApp (HsVar (tag2con_RDR tycon)) - (mkHsApps plus_RDR [mkHsVarApps mkInt_RDR [ah_RDR], + (mkHsApps plus_RDR [mkHsVarApps intDataCon_RDR [ah_RDR], HsLit (HsInt (-1))])) tycon_loc @@ -456,7 +452,7 @@ gen_Enum_binds tycon mkHsApps map_RDR [HsVar (tag2con_RDR tycon), HsPar (enum_from_to_Expr - (mkHsVarApps mkInt_RDR [ah_RDR]) + (mkHsVarApps intDataCon_RDR [ah_RDR]) (HsVar (maxtag_RDR tycon)))] enum_from_then @@ -464,10 +460,10 @@ gen_Enum_binds tycon untag_Expr tycon [(a_RDR, ah_RDR), (b_RDR, bh_RDR)] $ HsApp (mkHsVarApps map_RDR [tag2con_RDR tycon]) $ HsPar (enum_from_then_to_Expr - (mkHsVarApps mkInt_RDR [ah_RDR]) - (mkHsVarApps mkInt_RDR [bh_RDR]) - (HsIf (mkHsApps gt_RDR [mkHsVarApps mkInt_RDR [ah_RDR], - mkHsVarApps mkInt_RDR [bh_RDR]]) + (mkHsVarApps intDataCon_RDR [ah_RDR]) + (mkHsVarApps intDataCon_RDR [bh_RDR]) + (HsIf (mkHsApps gt_RDR [mkHsVarApps intDataCon_RDR [ah_RDR], + mkHsVarApps intDataCon_RDR [bh_RDR]]) (mkHsIntLit 0) (HsVar (maxtag_RDR tycon)) tycon_loc)) @@ -475,7 +471,7 @@ gen_Enum_binds tycon from_enum = mk_easy_FunMonoBind tycon_loc fromEnum_RDR [a_Pat] [] $ untag_Expr tycon [(a_RDR, ah_RDR)] $ - (mkHsVarApps mkInt_RDR [ah_RDR]) + (mkHsVarApps intDataCon_RDR [ah_RDR]) \end{code} %************************************************************************ @@ -593,8 +589,8 @@ gen_Ix_binds tycon untag_Expr tycon [(b_RDR, bh_RDR)] $ HsApp (mkHsVarApps map_RDR [tag2con_RDR tycon]) $ HsPar (enum_from_to_Expr - (mkHsVarApps mkInt_RDR [ah_RDR]) - (mkHsVarApps mkInt_RDR [bh_RDR])) + (mkHsVarApps intDataCon_RDR [ah_RDR]) + (mkHsVarApps intDataCon_RDR [bh_RDR])) enum_index = mk_easy_FunMonoBind tycon_loc index_RDR @@ -604,11 +600,11 @@ gen_Ix_binds tycon untag_Expr tycon [(a_RDR, ah_RDR)] ( untag_Expr tycon [(d_RDR, dh_RDR)] ( let - rhs = mkHsVarApps mkInt_RDR [c_RDR] + rhs = mkHsVarApps intDataCon_RDR [c_RDR] in HsCase (genOpApp (HsVar dh_RDR) minusInt_RDR (HsVar ah_RDR)) - [mk_triv_Match (VarPat c_RDR) rhs] + [mkSimpleHsAlt (VarPat c_RDR) rhs] tycon_loc )) ) {-else-} ( @@ -808,9 +804,7 @@ gen_Read_binds get_fixity tycon field_stmts = zipWithEqual "lbl_stmts" read_field labels as_needed con_arity = dataConSourceArity data_con - nullary_con = con_arity == 0 labels = dataConFieldLabels data_con - lab_fields = length labels dc_nm = getName data_con is_infix = isDataSymOcc (getOccName dc_nm) as_needed = take con_arity as_RDRs @@ -985,13 +979,6 @@ getPrecedence :: FixityEnv -> Name -> Integer getPrecedence get_fixity nm = case lookupFixity get_fixity nm of Fixity x _ -> fromIntegral x - -isLRAssoc :: FixityEnv -> Name -> (Bool, Bool) -isLRAssoc get_fixity nm = - case lookupFixity get_fixity nm of - Fixity _ InfixN -> (False, False) - Fixity _ InfixR -> (False, True) - Fixity _ InfixL -> (True, False) \end{code} @@ -1072,6 +1059,7 @@ gen_Data_binds fix_env tycon datatype_bind `AndMonoBinds` andMonoBindList (map mk_con_bind data_cons)) where tycon_loc = getSrcLoc tycon + tycon_name = tyConName tycon data_cons = tyConDataCons tycon ------------ gfoldl @@ -1088,27 +1076,29 @@ gen_Data_binds fix_env tycon fromCon_bind = mk_FunMonoBind tycon_loc fromConstr_RDR [([c_Pat], from_con_rhs)] from_con_rhs = HsCase (HsVar conIndex_RDR `HsApp` c_Expr) (map from_con_alt data_cons) tycon_loc - from_con_alt dc = mk_triv_Match (ConPatIn mkInt_RDR (PrefixCon [LitPat (HsIntPrim (toInteger (dataConTag dc)))])) + from_con_alt dc = mkSimpleHsAlt (ConPatIn intDataCon_RDR (PrefixCon [LitPat (HsIntPrim (toInteger (dataConTag dc)))])) (mkHsVarApps (getRdrName dc) (replicate (dataConSourceArity dc) undefined_RDR)) ------------ toConstr toCon_bind = mk_FunMonoBind tycon_loc toConstr_RDR (map to_con_eqn data_cons) - to_con_eqn dc = ([mkWildConPat dc], HsVar (mkConstrName dc)) + to_con_eqn dc = ([mkWildConPat dc], HsVar (mk_constr_name dc)) ------------ dataTypeOf dataTypeOf_bind = mk_easy_FunMonoBind tycon_loc dataTypeOf_RDR [wildPat] [] (HsVar data_type_name) ------------ $dT - data_type_name = mkDataTypeName tycon + data_type_name = mkDerivedRdrName tycon_name mkDataTOcc datatype_bind = mkVarMonoBind tycon_loc data_type_name (HsVar mkDataType_RDR `HsApp` ExplicitList placeHolderType constrs) - constrs = [HsVar (mkConstrName con) | con <- data_cons] + constrs = [HsVar (mk_constr_name con) | con <- data_cons] + ------------ $cT1 etc - mk_con_bind dc = mkVarMonoBind tycon_loc (mkConstrName dc) + mk_constr_name con = mkDerivedRdrName (dataConName con) mkDataCOcc + mk_con_bind dc = mkVarMonoBind tycon_loc (mk_constr_name dc) (mkHsApps mkConstr_RDR (constr_args dc)) constr_args dc = [mkHsIntLit (toInteger (dataConTag dc)), -- Tag HsLit (mkHsString (occNameUserString dc_occ)), -- String name @@ -1128,17 +1118,6 @@ mkDataType_RDR = varQual_RDR gENERICS_Name FSLIT("mkDataType") conIndex_RDR = varQual_RDR gENERICS_Name FSLIT("conIndex") prefix_RDR = dataQual_RDR gENERICS_Name FSLIT("Prefix") infix_RDR = dataQual_RDR gENERICS_Name FSLIT("Infix") - -mkDataTypeName :: TyCon -> RdrName -- $tT -mkDataTypeName tc = mkRdrUnqual (mkDataTOcc (getOccName tc)) - -mkConstrName :: DataCon -> RdrName -- $cT1 -mkConstrName con = mkRdrUnqual (mkDataCOcc (getOccName con)) - - -apN :: Int -> (a -> a) -> a -> a -apN 0 k z = z -apN n k z = apN (n-1) k (k z) \end{code} %************************************************************************ @@ -1178,20 +1157,22 @@ gen_tag_n_con_monobind (rdr_name, tycon, GenCon2Tag) where loc = getSrcLoc tycon + tvs = map (mkRdrUnqual . getOccName) (tyConTyVars tycon) + -- We can't use gerRdrName because that makes an Exact RdrName + -- and we can't put them in the LocalRdrEnv + -- Give a signature to the bound variable, so -- that the case expression generated by getTag is -- monomorphic. In the push-enter model we get better code. get_tag_rhs = ExprWithTySig - (HsLam (mk_match loc [VarPat a_RDR] - (HsApp getTag_Expr a_Expr) - EmptyBinds)) - (HsForAllTy Nothing [] con2tag_ty) - -- Nothing => implicit quantification + (HsLam (mkSimpleHsAlt (VarPat a_RDR) + (HsApp (HsVar getTag_RDR) a_Expr))) + (mkExplicitHsForAllTy (map UserTyVar tvs) [] con2tag_ty) con2tag_ty = foldl HsAppTy (HsTyVar (getRdrName tycon)) - [HsTyVar (getRdrName tv) | tv <- tyConTyVars tycon] + (map HsTyVar tvs) `HsFunTy` - HsTyVar (getRdrName intPrimTyConName) + HsTyVar (getRdrName intPrimTyCon) lots_of_constructors = tyConFamilySize tycon > mAX_FAMILY_SIZE_FOR_VEC_RETURNS @@ -1201,13 +1182,13 @@ gen_tag_n_con_monobind (rdr_name, tycon, GenCon2Tag) gen_tag_n_con_monobind (rdr_name, tycon, GenTag2Con) = mk_FunMonoBind (getSrcLoc tycon) rdr_name - [([mkConPat mkInt_RDR [a_RDR]], - ExprWithTySig (HsApp tagToEnum_Expr a_Expr) + [([mkConPat intDataCon_RDR [a_RDR]], + ExprWithTySig (HsApp (HsVar tagToEnum_RDR) a_Expr) (HsTyVar (getRdrName tycon)))] gen_tag_n_con_monobind (rdr_name, tycon, GenMaxTag) = mkVarMonoBind (getSrcLoc tycon) rdr_name - (HsApp (HsVar mkInt_RDR) (HsLit (HsIntPrim max_tag))) + (HsApp (HsVar intDataCon_RDR) (HsLit (HsIntPrim max_tag))) where max_tag = case (tyConDataCons tycon) of data_cons -> toInteger ((length data_cons) - fIRST_TAG) @@ -1251,8 +1232,6 @@ mk_easy_Match loc pats binds expr -- "recursive" MonoBinds, and it is its job to sort things out -- from there. -mk_triv_Match pat expr = mkSimpleMatch [pat] expr placeHolderType generatedSrcLoc - mk_FunMonoBind :: SrcLoc -> RdrName -> [([RdrNamePat], RdrNameHsExpr)] -> RdrNameMonoBinds @@ -1269,19 +1248,12 @@ mk_match loc pats expr binds where paren p@(VarPat _) = p paren other_p = ParPat other_p -\end{code} -\begin{code} -mkHsApps f xs = foldl HsApp (HsVar f) xs -mkHsVarApps f xs = foldl HsApp (HsVar f) (map HsVar xs) - -mkHsIntLit n = HsLit (HsInt n) -mkHsString s = HsString (mkFastString s) -mkHsChar c = HsChar (ord c) +mkWildConPat :: DataCon -> Pat RdrName +mkWildConPat con = ConPatIn (getRdrName con) (PrefixCon (nOfThem (dataConSourceArity con) wildPat)) -mkConPat con vars = ConPatIn con (PrefixCon (map VarPat vars)) -mkNullaryConPat con = ConPatIn con (PrefixCon []) -mkWildConPat con = ConPatIn (getRdrName con) (PrefixCon (nOfThem (dataConSourceArity con) wildPat)) +wildPat :: Pat id +wildPat = WildPat placeHolderType -- Pre-typechecking \end{code} ToDo: Better SrcLocs. @@ -1305,9 +1277,9 @@ compare_gen_Case (HsVar eq_tag) a b | eq_tag == eqTag_RDR = HsApp (HsApp (HsVar compare_RDR) a) b -- Simple case compare_gen_Case eq a b -- General case = HsCase (HsPar (HsApp (HsApp (HsVar compare_RDR) a) b)) {-of-} - [mk_triv_Match (mkNullaryConPat ltTag_RDR) ltTag_Expr, - mk_triv_Match (mkNullaryConPat eqTag_RDR) eq, - mk_triv_Match (mkNullaryConPat gtTag_RDR) gtTag_Expr] + [mkSimpleHsAlt (mkNullaryConPat ltTag_RDR) ltTag_Expr, + mkSimpleHsAlt (mkNullaryConPat eqTag_RDR) eq, + mkSimpleHsAlt (mkNullaryConPat gtTag_RDR) gtTag_Expr] generatedSrcLoc careful_compare_Case tycon ty eq a b @@ -1319,8 +1291,8 @@ careful_compare_Case tycon ty eq a b (HsIf (genOpApp a relevant_lt_op b) ltTag_Expr gtTag_Expr generatedSrcLoc) generatedSrcLoc where - relevant_eq_op = assoc_ty_id "Ord" tycon eq_op_tbl ty - relevant_lt_op = assoc_ty_id "Ord" tycon lt_op_tbl ty + relevant_eq_op = primOpRdrName (assoc_ty_id "Ord" tycon eq_op_tbl ty) + relevant_lt_op = primOpRdrName (assoc_ty_id "Ord" tycon lt_op_tbl ty) box_if_necy :: String -- The class involved @@ -1346,28 +1318,30 @@ assoc_ty_id cls_str tycon tbl ty where res = [id | (ty',id) <- tbl, ty `tcEqType` ty'] +eq_op_tbl :: [(Type, PrimOp)] eq_op_tbl = - [(charPrimTy, eqChar_RDR) - ,(intPrimTy, eqInt_RDR) - ,(wordPrimTy, eqWord_RDR) - ,(addrPrimTy, eqAddr_RDR) - ,(floatPrimTy, eqFloat_RDR) - ,(doublePrimTy, eqDouble_RDR) + [(charPrimTy, CharEqOp) + ,(intPrimTy, IntEqOp) + ,(wordPrimTy, WordEqOp) + ,(addrPrimTy, AddrEqOp) + ,(floatPrimTy, FloatEqOp) + ,(doublePrimTy, DoubleEqOp) ] +lt_op_tbl :: [(Type, PrimOp)] lt_op_tbl = - [(charPrimTy, ltChar_RDR) - ,(intPrimTy, ltInt_RDR) - ,(wordPrimTy, ltWord_RDR) - ,(addrPrimTy, ltAddr_RDR) - ,(floatPrimTy, ltFloat_RDR) - ,(doublePrimTy, ltDouble_RDR) + [(charPrimTy, CharLtOp) + ,(intPrimTy, IntLtOp) + ,(wordPrimTy, WordLtOp) + ,(addrPrimTy, AddrLtOp) + ,(floatPrimTy, FloatLtOp) + ,(doublePrimTy, DoubleLtOp) ] box_con_tbl = [(charPrimTy, getRdrName charDataCon) ,(intPrimTy, getRdrName intDataCon) - ,(wordPrimTy, getRdrName wordDataCon) + ,(wordPrimTy, wordDataCon_RDR) ,(addrPrimTy, addrDataCon_RDR) ,(floatPrimTy, getRdrName floatDataCon) ,(doublePrimTy, getRdrName doubleDataCon) @@ -1375,10 +1349,8 @@ box_con_tbl = ----------------------------------------------------------------------- -and_Expr, append_Expr :: RdrNameHsExpr -> RdrNameHsExpr -> RdrNameHsExpr - -and_Expr a b = genOpApp a and_RDR b -append_Expr a b = genOpApp a append_RDR b +and_Expr :: RdrNameHsExpr -> RdrNameHsExpr -> RdrNameHsExpr +and_Expr a b = genOpApp a and_RDR b ----------------------------------------------------------------------- @@ -1389,16 +1361,15 @@ eq_Expr tycon ty a b = genOpApp a eq_op b | not (isUnLiftedType ty) = eq_RDR | otherwise = -- we have to do something special for primitive things... - assoc_ty_id "Eq" tycon eq_op_tbl ty - + primOpRdrName (assoc_ty_id "Eq" tycon eq_op_tbl ty) \end{code} \begin{code} untag_Expr :: TyCon -> [(RdrName, RdrName)] -> RdrNameHsExpr -> RdrNameHsExpr untag_Expr tycon [] expr = expr untag_Expr tycon ((untag_this, put_tag_here) : more) expr - = HsCase (HsPar (HsApp (con2tag_Expr tycon) (HsVar untag_this))) {-of-} - [mk_triv_Match (VarPat put_tag_here) (untag_Expr tycon more expr)] + = HsCase (HsPar (mkHsVarApps (con2tag_RDR tycon) [untag_this])) {-of-} + [mkSimpleHsAlt (VarPat put_tag_here) (untag_Expr tycon more expr)] generatedSrcLoc cmp_tags_Expr :: RdrName -- Comparison op @@ -1465,82 +1436,68 @@ parenify e = HsPar e -- genOpApp wraps brackets round the operator application, so that the -- renamer won't subsequently try to re-associate it. --- For some reason the renamer doesn't reassociate it right, and I can't --- be bothered to find out why just now. - -genOpApp e1 op e2 = mkHsOpApp e1 op e2 +genOpApp e1 op e2 = HsPar (mkHsOpApp e1 op e2) \end{code} \begin{code} -varUnqual n = mkUnqual OccName.varName n - -zz_a_RDR = varUnqual FSLIT("_a") -a_RDR = varUnqual FSLIT("a") -b_RDR = varUnqual FSLIT("b") -c_RDR = varUnqual FSLIT("c") -d_RDR = varUnqual FSLIT("d") -e_RDR = varUnqual FSLIT("e") -k_RDR = varUnqual FSLIT("k") -z_RDR = varUnqual FSLIT("z") :: RdrName -ah_RDR = varUnqual FSLIT("a#") -bh_RDR = varUnqual FSLIT("b#") -ch_RDR = varUnqual FSLIT("c#") -dh_RDR = varUnqual FSLIT("d#") -cmp_eq_RDR = varUnqual FSLIT("cmp_eq") -rangeSize_RDR = varUnqual FSLIT("rangeSize") - -as_RDRs = [ varUnqual (mkFastString ("a"++show i)) | i <- [(1::Int) .. ] ] -bs_RDRs = [ varUnqual (mkFastString ("b"++show i)) | i <- [(1::Int) .. ] ] -cs_RDRs = [ varUnqual (mkFastString ("c"++show i)) | i <- [(1::Int) .. ] ] - -zz_a_Expr = HsVar zz_a_RDR +a_RDR = mkVarUnqual FSLIT("a") +b_RDR = mkVarUnqual FSLIT("b") +c_RDR = mkVarUnqual FSLIT("c") +d_RDR = mkVarUnqual FSLIT("d") +k_RDR = mkVarUnqual FSLIT("k") +z_RDR = mkVarUnqual FSLIT("z") +ah_RDR = mkVarUnqual FSLIT("a#") +bh_RDR = mkVarUnqual FSLIT("b#") +ch_RDR = mkVarUnqual FSLIT("c#") +dh_RDR = mkVarUnqual FSLIT("d#") +cmp_eq_RDR = mkVarUnqual FSLIT("cmp_eq") +rangeSize_RDR = mkVarUnqual FSLIT("rangeSize") + +as_RDRs = [ mkVarUnqual (mkFastString ("a"++show i)) | i <- [(1::Int) .. ] ] +bs_RDRs = [ mkVarUnqual (mkFastString ("b"++show i)) | i <- [(1::Int) .. ] ] +cs_RDRs = [ mkVarUnqual (mkFastString ("c"++show i)) | i <- [(1::Int) .. ] ] + a_Expr = HsVar a_RDR b_Expr = HsVar b_RDR c_Expr = HsVar c_RDR -d_Expr = HsVar d_RDR -z_Expr = HsVar z_RDR ltTag_Expr = HsVar ltTag_RDR eqTag_Expr = HsVar eqTag_RDR gtTag_Expr = HsVar gtTag_RDR false_Expr = HsVar false_RDR true_Expr = HsVar true_RDR -getTag_Expr = HsVar getTag_RDR -tagToEnum_Expr = HsVar tagToEnum_RDR -con2tag_Expr tycon = HsVar (con2tag_RDR tycon) - -wildPat = WildPat placeHolderType -zz_a_Pat = VarPat zz_a_RDR a_Pat = VarPat a_RDR b_Pat = VarPat b_RDR c_Pat = VarPat c_RDR d_Pat = VarPat d_RDR con2tag_RDR, tag2con_RDR, maxtag_RDR :: TyCon -> RdrName +-- Generates Orig RdrNames, for the binding positions +con2tag_RDR tycon = mk_tc_deriv_name tycon "con2tag_" +tag2con_RDR tycon = mk_tc_deriv_name tycon "tag2con_" +maxtag_RDR tycon = mk_tc_deriv_name tycon "maxtag_" -con2tag_RDR tycon = varUnqual (mkFastString ("con2tag_" ++ occNameString (getOccName tycon) ++ "#")) -tag2con_RDR tycon = varUnqual (mkFastString ("tag2con_" ++ occNameString (getOccName tycon) ++ "#")) -maxtag_RDR tycon = varUnqual (mkFastString ("maxtag_" ++ occNameString (getOccName tycon) ++ "#")) +mk_tc_deriv_name tycon str + = mkDerivedRdrName tc_name mk_occ + where + tc_name = tyConName tycon + mk_occ tc_occ = mkOccFS varName (mkFastString new_str) + where + new_str = str ++ occNameString tc_occ ++ "#" \end{code} RdrNames for PrimOps. Can't be done in PrelNames, because PrimOp imports PrelNames, so PrelNames can't import PrimOp. \begin{code} -minusInt_RDR = nameRdrName minusIntName -eqInt_RDR = nameRdrName eqIntName -ltInt_RDR = nameRdrName ltIntName -geInt_RDR = nameRdrName geIntName -leInt_RDR = nameRdrName leIntName -eqChar_RDR = nameRdrName eqCharName -eqWord_RDR = nameRdrName eqWordName -eqAddr_RDR = nameRdrName eqAddrName -eqFloat_RDR = nameRdrName eqFloatName -eqDouble_RDR = nameRdrName eqDoubleName -ltChar_RDR = nameRdrName ltCharName -ltWord_RDR = nameRdrName ltWordName -ltAddr_RDR = nameRdrName ltAddrName -ltFloat_RDR = nameRdrName ltFloatName -ltDouble_RDR = nameRdrName ltDoubleName -tagToEnum_RDR = nameRdrName tagToEnumName +primOpRdrName op = getRdrName (primOpId op) + +minusInt_RDR = primOpRdrName IntSubOp +eqInt_RDR = primOpRdrName IntEqOp +ltInt_RDR = primOpRdrName IntLtOp +geInt_RDR = primOpRdrName IntGeOp +leInt_RDR = primOpRdrName IntLeOp +tagToEnum_RDR = primOpRdrName TagToEnumOp + +error_RDR = getRdrName eRROR_ID \end{code}