X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=compiler%2Frename%2FRnBinds.lhs;h=f1ac43050e092ce9e184be0b8da4ca71ce58d83f;hb=1bf363052778fc39335ea3701a3229572358c51e;hp=3a9bae0eea01a29ed1632f4b3337484ba6eacbe3;hpb=bbf41467d3466310431594516d88b1400aef245d;p=ghc-hetmet.git diff --git a/compiler/rename/RnBinds.lhs b/compiler/rename/RnBinds.lhs index 3a9bae0..f1ac430 100644 --- a/compiler/rename/RnBinds.lhs +++ b/compiler/rename/RnBinds.lhs @@ -12,7 +12,7 @@ they may be affected by renaming (which isn't fully worked out yet). module RnBinds ( rnTopBinds, rnLocalBindsAndThen, rnValBindsAndThen, rnValBinds, trimWith, - rnMethodBinds, renameSigs, + rnMethodBinds, renameSigs, mkSigTvFn, rnMatchGroup, rnGRHSs ) where @@ -397,7 +397,7 @@ rnBind sig_fn trim (L loc (FunBind { fun_id = name, fun_infix = inf, fun_matches ; checkPrecMatch inf plain_name matches' ; return (L loc (FunBind { fun_id = new_name, fun_infix = inf, fun_matches = matches', - bind_fvs = trim fvs, fun_co_fn = idCoercion }), + bind_fvs = trim fvs, fun_co_fn = idHsWrapper }), [plain_name], fvs) } \end{code} @@ -420,30 +420,32 @@ a binder. \begin{code} rnMethodBinds :: Name -- Class name + -> (Name -> [Name]) -- Signature tyvar function -> [Name] -- Names for generic type variables -> LHsBinds RdrName -> RnM (LHsBinds Name, FreeVars) -rnMethodBinds cls gen_tyvars binds +rnMethodBinds cls sig_fn gen_tyvars binds = foldM do_one (emptyBag,emptyFVs) (bagToList binds) where do_one (binds,fvs) bind = do - (bind', fvs_bind) <- rnMethodBind cls gen_tyvars bind + (bind', fvs_bind) <- rnMethodBind cls sig_fn gen_tyvars bind return (bind' `unionBags` binds, fvs_bind `plusFV` fvs) -rnMethodBind cls gen_tyvars (L loc (FunBind { fun_id = name, fun_infix = inf, - fun_matches = MatchGroup matches _ })) - = setSrcSpan loc $ - lookupLocatedInstDeclBndr cls name `thenM` \ sel_name -> - let plain_name = unLoc sel_name in +rnMethodBind cls sig_fn gen_tyvars (L loc (FunBind { fun_id = name, fun_infix = inf, + fun_matches = MatchGroup matches _ })) + = setSrcSpan loc $ + lookupLocatedInstDeclBndr cls name `thenM` \ sel_name -> + let plain_name = unLoc sel_name in -- We use the selector name as the binder + bindSigTyVarsFV (sig_fn plain_name) $ mapFvRn (rn_match plain_name) matches `thenM` \ (new_matches, fvs) -> let new_group = MatchGroup new_matches placeHolderType in checkPrecMatch inf plain_name new_group `thenM_` returnM (unitBag (L loc (FunBind { fun_id = sel_name, fun_infix = inf, fun_matches = new_group, - bind_fvs = fvs, fun_co_fn = idCoercion })), + bind_fvs = fvs, fun_co_fn = idHsWrapper })), fvs `addOneFV` plain_name) -- The 'fvs' field isn't used for method binds where @@ -460,12 +462,13 @@ rnMethodBind cls gen_tyvars (L loc (FunBind { fun_id = name, fun_infix = inf, -- Can't handle method pattern-bindings which bind multiple methods. -rnMethodBind cls gen_tyvars mbind@(L loc (PatBind other_pat _ _ _)) +rnMethodBind cls sig_fn gen_tyvars mbind@(L loc (PatBind other_pat _ _ _)) = addLocErr mbind methodBindErr `thenM_` returnM (emptyBag, emptyFVs) \end{code} + %************************************************************************ %* * \subsubsection[dep-Sigs]{Signatures (and user-pragmas for values)}