tcIdxTyInstDecl1 (decl@TySynonym {})
= kcIdxTyPats decl $ \k_tvs k_typats resKind ->
- do { -- kind check the right hand side of the type equation
+ do { -- (1) kind check the right hand side of the type equation
; k_rhs <- kcCheckHsType (tcdSynRhs decl) resKind
- -- type check type equation
- ; tcTyVarBndrs k_tvs $ \t_tvs -> do {
+ -- (2) type check type equation
+ ; tcTyVarBndrs k_tvs $ \t_tvs -> do { -- turn kinded into proper tyvars
; t_typats <- mappM tcHsKindedType k_typats
; t_rhs <- tcHsKindedType k_rhs
tcIdxTyInstDecl1 (decl@TyData {tcdND = new_or_data, tcdLName = L _ tc_name,
tcdCons = cons})
= kcIdxTyPats decl $ \k_tvs k_typats resKind ->
- do { -- kind check the data declaration as usual
+ do { -- (1) kind check the data declaration as usual
; k_decl <- kcDataDecl decl k_tvs
- ; k_typats <- mappM tcHsKindedType k_typats
; let k_ctxt = tcdCtxt decl
k_cons = tcdCons decl
-- result kind must be '*' (otherwise, we have too few patterns)
; checkTc (isLiftedTypeKind resKind) $ tooFewParmsErr tc_name
- -- type check indexed data type declaration
- ; tcTyVarBndrs k_tvs $ \t_tvs -> do {
+ -- (2) type check indexed data type declaration
+ ; tcTyVarBndrs k_tvs $ \t_tvs -> do { -- turn kinded into proper tyvars
; unbox_strict <- doptM Opt_UnboxStrictFields
-- Check that we don't use GADT syntax for indexed types
; checkTc (new_or_data == DataType || isSingleton cons) $
newtypeConError tc_name (length cons)
+ ; t_typats <- mappM tcHsKindedType k_typats
; stupid_theta <- tcHsKindedContext k_ctxt
; tycon <- fixM (\ tycon -> do
{ data_cons <- mappM (addLocM (tcConDecl unbox_strict new_or_data
{ ctxt' <- tcHsKindedContext ctxt
; fds' <- mappM (addLocM tc_fundep) fundeps
; ats' <- mappM (addLocM (tcTyClDecl1 (const Recursive))) ats
- -- ^^^^ !!!TODO: what to do with this? Need to generate FC tyfun decls.
; sig_stuff <- tcClassSigs class_name sigs meths
; clas <- fixM (\ clas ->
let -- This little knot is just so we can get
tycon_name = tyConName (classTyCon clas)
tc_isrec = calc_isrec tycon_name
in
- buildClass class_name tvs' ctxt' fds'
+ buildClass class_name tvs' ctxt' fds' ats'
sig_stuff tc_isrec)
; return (AClass clas) }
where