diff options
Diffstat (limited to 'lib/hipe/cerl/erl_types.erl')
| -rw-r--r-- | lib/hipe/cerl/erl_types.erl | 590 |
1 files changed, 367 insertions, 223 deletions
diff --git a/lib/hipe/cerl/erl_types.erl b/lib/hipe/cerl/erl_types.erl index 25cf1a7ae1..7a2abc226f 100644 --- a/lib/hipe/cerl/erl_types.erl +++ b/lib/hipe/cerl/erl_types.erl @@ -82,7 +82,7 @@ t_form_to_string/1, t_from_form/4, t_from_form/5, - t_from_form_without_remote/2, + t_from_form_without_remote/3, t_check_record_fields/4, t_check_record_fields/5, t_from_range/2, @@ -150,7 +150,7 @@ t_list/0, t_list/1, t_list_elements/1, t_list_elements/2, - t_list_termination/1, + t_list_termination/1, t_list_termination/2, t_map/0, t_map/1, t_matchstate/0, @@ -209,7 +209,7 @@ record_field_diffs_to_string/2, subst_all_vars_to_any/1, subst_all_remote/2, - lift_list_to_pos_empty/1, + lift_list_to_pos_empty/1, lift_list_to_pos_empty/2, is_opaque_type/2, is_erl_type/1, atom_to_string/1 @@ -1510,6 +1510,11 @@ t_list_elements(Type, Opaques) -> list_elements(?list(Contents, _, _)) -> Contents; list_elements(?nil) -> ?none. +-spec t_list_termination(erl_type(), opaques()) -> erl_type(). + +t_list_termination(Type, Opaques) -> + do_opaque(Type, Opaques, fun t_list_termination/1). + -spec t_list_termination(erl_type()) -> erl_type(). t_list_termination(?nil) -> ?nil; @@ -1585,6 +1590,11 @@ is_maybe_improper_list(_) -> false. %% %% false = t_is_subtype(t_nil(), Termination), %% ?list(Content, Termination, ?any). +-spec lift_list_to_pos_empty(erl_type(), opaques()) -> erl_type(). + +lift_list_to_pos_empty(Type, Opaques) -> + do_opaque(Type, Opaques, fun lift_list_to_pos_empty/1). + -spec lift_list_to_pos_empty(erl_type()) -> erl_type(). lift_list_to_pos_empty(?nil) -> ?nil; @@ -2701,8 +2711,94 @@ is_compat_args([A1|Args1], [A2|Args2]) -> is_compat_args([], []) -> true; is_compat_args(_, _) -> false. -is_compat_arg(A, A) -> true; -is_compat_arg(A1, A2) -> t_is_any(A1) orelse t_is_any(A2). +is_compat_arg(A1, A2) -> + is_specialization(A1, A2) orelse is_specialization(A2, A1). + +-spec is_specialization(erl_type(), erl_type()) -> boolean(). + +%% Returns true if the first argument is a specialization of the +%% second argument in the sense that every type is a specialization of +%% any(). For example, {_,_} is a specialization of any(), but not of +%% tuple(). Does not handle variables, but any() and unions (sort of). + +is_specialization(T, T) -> true; +is_specialization(_, ?any) -> true; +is_specialization(?any, _) -> false; +is_specialization(?function(Domain1, Range1), ?function(Domain2, Range2)) -> + (is_specialization(Domain1, Domain2) andalso + is_specialization(Range1, Range2)); +is_specialization(?list(Contents1, Termination1, Size1), + ?list(Contents2, Termination2, Size2)) -> + (Size1 =:= Size2 andalso + is_specialization(Contents1, Contents2) andalso + is_specialization(Termination1, Termination2)); +is_specialization(?product(Types1), ?product(Types2)) -> + specialization_list(Types1, Types2); +is_specialization(?tuple(?any, ?any, ?any), ?tuple(_, _, _)) -> false; +is_specialization(?tuple(_, _, _), ?tuple(?any, ?any, ?any)) -> false; +is_specialization(?tuple(Elements1, Arity, _), + ?tuple(Elements2, Arity, _)) when Arity =/= ?any -> + specialization_list(Elements1, Elements2); +is_specialization(?tuple_set([{Arity, List}]), + ?tuple(Elements2, Arity, _)) when Arity =/= ?any -> + specialization_list(sup_tuple_elements(List), Elements2); +is_specialization(?tuple(Elements1, Arity, _), + ?tuple_set([{Arity, List}])) when Arity =/= ?any -> + specialization_list(Elements1, sup_tuple_elements(List)); +is_specialization(?tuple_set(List1), ?tuple_set(List2)) -> + try + specialization_list_list([sup_tuple_elements(T) || {_Arity, T} <- List1], + [sup_tuple_elements(T) || {_Arity, T} <- List2]) + catch _:_ -> false + end; +is_specialization(?union(List1)=T1, ?union(List2)=T2) -> + case specialization_union2(T1, T2) of + {yes, Type1, Type2} -> is_specialization(Type1, Type2); + no -> specialization_list(List1, List2) + end; +is_specialization(?union(List), T2) -> + case unify_union(List) of + {yes, Type} -> is_specialization(Type, T2); + no -> false + end; +is_specialization(T1, ?union(List)) -> + case unify_union(List) of + {yes, Type} -> is_specialization(T1, Type); + no -> false + end; +is_specialization(?opaque(_) = T1, T2) -> + is_specialization(t_opaque_structure(T1), T2); +is_specialization(T1, ?opaque(_) = T2) -> + is_specialization(T1, t_opaque_structure(T2)); +is_specialization(?var(_), _) -> exit(error); +is_specialization(_, ?var(_)) -> exit(error); +is_specialization(?none, _) -> false; +is_specialization(_, ?none) -> false; +is_specialization(?unit, _) -> false; +is_specialization(_, ?unit) -> false; +is_specialization(#c{}, #c{}) -> false. + +specialization_list_list(LL1, LL2) -> + length(LL1) =:= length(LL2) andalso specialization_list_list1(LL1, LL2). + +specialization_list_list1([], []) -> true; +specialization_list_list1([L1|LL1], [L2|LL2]) -> + specialization_list(L1, L2) andalso specialization_list_list1(LL1, LL2). + +specialization_list(L1, L2) -> + length(L1) =:= length(L2) andalso specialization_list1(L1, L2). + +specialization_list1([], []) -> true; +specialization_list1([T1|L1], [T2|L2]) -> + is_specialization(T1, T2) andalso specialization_list1(L1, L2). + +specialization_union2(?union(List1)=T1, ?union(List2)=T2) -> + case {unify_union(List1), unify_union(List2)} of + {{yes, Type1}, {yes, Type2}} -> {yes, Type1, Type2}; + {{yes, Type1}, no} -> {yes, Type1, T2}; + {no, {yes, Type2}} -> {yes, T1, Type2}; + {no, no} -> no + end. -spec t_inf_lists([erl_type()], [erl_type()]) -> [erl_type()]. @@ -3961,27 +4057,32 @@ mod_name(Mod, Name) -> -type type_names() :: [type_key() | record_key()]. +-type mta() :: {module(), atom(), arity()}. +-type mra() :: {module(), atom(), arity()}. +-type site() :: {'type', mta()} | {'spec', mfa()} | {'record', mra()}. + -spec t_from_form(parse_form(), sets:set(mfa()), - module(), mod_records()) -> erl_type(). + site(), mod_records()) -> erl_type(). -t_from_form(Form, ExpTypes, Module, RecDict) -> - t_from_form(Form, ExpTypes, Module, RecDict, dict:new()). +t_from_form(Form, ExpTypes, Site, RecDict) -> + t_from_form(Form, ExpTypes, Site, RecDict, dict:new()). -spec t_from_form(parse_form(), sets:set(mfa()), - module(), mod_records(), var_table()) -> erl_type(). + site(), mod_records(), var_table()) -> erl_type(). -t_from_form(Form, ExpTypes, Module, RecDict, VarDict) -> - {T, _} = t_from_form1(Form, [], ExpTypes, Module, RecDict, VarDict), +t_from_form(Form, ExpTypes, Site, RecDict, VarDict) -> + {T, _} = t_from_form1(Form, ExpTypes, Site, RecDict, VarDict), T. %% Replace external types with with none(). --spec t_from_form_without_remote(parse_form(), type_table()) -> erl_type(). +-spec t_from_form_without_remote(parse_form(), site(), type_table()) -> + erl_type(). -t_from_form_without_remote(Form, TypeTable) -> - Module = mod, +t_from_form_without_remote(Form, Site, TypeTable) -> + Module = site_module(Site), RecDict = dict:from_list([{Module, TypeTable}]), ExpTypes = replace_by_none, - {T, _} = t_from_form1(Form, [], ExpTypes, Module, RecDict, dict:new()), + {T, _} = t_from_form1(Form, ExpTypes, Site, RecDict, dict:new()), T. %% REC_TYPE_LIMIT is used for limiting the depth of recursive types. @@ -3995,23 +4096,32 @@ t_from_form_without_remote(Form, TypeTable) -> -type expand_depth() :: integer(). -t_from_form1(Form, TypeNames, ET, M, MR, V) -> - t_from_form1(Form, TypeNames, ET, M, MR, V, ?EXPAND_DEPTH). +-spec t_from_form1(parse_form(), sets:set(mfa()) | 'replace_by_none', + site(), mod_records(), var_table()) -> + {erl_type(), expand_limit()}. + +t_from_form1(Form, ET, Site, MR, V) -> + TypeNames = initial_typenames(Site), + t_from_form1(Form, TypeNames, ET, Site, MR, V, ?EXPAND_DEPTH). -t_from_form1(Form, TypeNames, ET, M, MR, V, D) -> +initial_typenames({type, _MTA}=Site) -> [Site]; +initial_typenames({spec, _MFA}) -> []; +initial_typenames({record, _MRA}) -> []. + +t_from_form1(Form, TypeNames, ET, Site, MR, V, D) -> L = ?EXPAND_LIMIT, - {T, L1} = t_from_form(Form, TypeNames, ET, M, MR, V, D, L), + {T, L1} = t_from_form(Form, TypeNames, ET, Site, MR, V, D, L), if L1 =< 0, D > 1 -> D1 = D div 2, - t_from_form1(Form, TypeNames, ET, M, MR, V, D1); + t_from_form1(Form, TypeNames, ET, Site, MR, V, D1); true -> {T, L1} end. -spec t_from_form(parse_form(), type_names(), sets:set(mfa()) | 'replace_by_none', - module(), mod_records(), var_table(), + site(), mod_records(), var_table(), expand_depth(), expand_limit()) -> {erl_type(), expand_limit()}. @@ -4021,193 +4131,194 @@ t_from_form1(Form, TypeNames, ET, M, MR, V, D) -> %% self() ! {self(), ext_types, {RemMod, Name, ArgsLen}} %% is called, unless 'replace_by_none' is given. %% -%% It is assumed that M can be found in MR. +%% It is assumed that site_module(S) can be found in MR. -t_from_form(_, _TypeNames, _ET, _M, _MR, _V, D, L) when D =< 0 ; L =< 0 -> +t_from_form(_, _TypeNames, _ET, _S, _MR, _V, D, L) when D =< 0 ; L =< 0 -> {t_any(), L}; -t_from_form({var, _L, '_'}, _TypeNames, _ET, _M, _MR, _V, _D, L) -> +t_from_form({var, _L, '_'}, _TypeNames, _ET, _S, _MR, _V, _D, L) -> {t_any(), L}; -t_from_form({var, _L, Name}, _TypeNames, _ET, _M, _MR, V, _D, L) -> +t_from_form({var, _L, Name}, _TypeNames, _ET, _S, _MR, V, _D, L) -> case dict:find(Name, V) of error -> {t_var(Name), L}; {ok, Val} -> {Val, L} end; -t_from_form({ann_type, _L, [_Var, Type]}, TypeNames, ET, M, MR, V, D, L) -> - t_from_form(Type, TypeNames, ET, M, MR, V, D, L); -t_from_form({paren_type, _L, [Type]}, TypeNames, ET, M, MR, V, D, L) -> - t_from_form(Type, TypeNames, ET, M, MR, V, D, L); +t_from_form({ann_type, _L, [_Var, Type]}, TypeNames, ET, S, MR, V, D, L) -> + t_from_form(Type, TypeNames, ET, S, MR, V, D, L); +t_from_form({paren_type, _L, [Type]}, TypeNames, ET, S, MR, V, D, L) -> + t_from_form(Type, TypeNames, ET, S, MR, V, D, L); t_from_form({remote_type, _L, [{atom, _, Module}, {atom, _, Type}, Args]}, - TypeNames, ET, M, MR, V, D, L) -> - remote_from_form(Module, Type, Args, TypeNames, ET, M, MR, V, D, L); -t_from_form({atom, _L, Atom}, _TypeNames, _ET, _M, _MR, _V, _D, L) -> + TypeNames, ET, S, MR, V, D, L) -> + remote_from_form(Module, Type, Args, TypeNames, ET, S, MR, V, D, L); +t_from_form({atom, _L, Atom}, _TypeNames, _ET, _S, _MR, _V, _D, L) -> {t_atom(Atom), L}; -t_from_form({integer, _L, Int}, _TypeNames, _ET, _M, _MR, _V, _D, L) -> +t_from_form({integer, _L, Int}, _TypeNames, _ET, _S, _MR, _V, _D, L) -> {t_integer(Int), L}; -t_from_form({op, _L, _Op, _Arg} = Op, _TypeNames, _ET, _M, _MR, _V, _D, L) -> +t_from_form({op, _L, _Op, _Arg} = Op, _TypeNames, _ET, _S, _MR, _V, _D, L) -> case erl_eval:partial_eval(Op) of {integer, _, Val} -> {t_integer(Val), L}; _ -> throw({error, io_lib:format("Unable to evaluate type ~w\n", [Op])}) end; t_from_form({op, _L, _Op, _Arg1, _Arg2} = Op, _TypeNames, - _ET, _M, _MR, _V, _D, L) -> + _ET, _S, _MR, _V, _D, L) -> case erl_eval:partial_eval(Op) of {integer, _, Val} -> {t_integer(Val), L}; _ -> throw({error, io_lib:format("Unable to evaluate type ~w\n", [Op])}) end; -t_from_form({type, _L, any, []}, _TypeNames, _ET, _M, _MR, _V, _D, L) -> +t_from_form({type, _L, any, []}, _TypeNames, _ET, _S, _MR, _V, _D, L) -> {t_any(), L}; -t_from_form({type, _L, arity, []}, _TypeNames, _ET, _M, _MR, _V, _D, L) -> +t_from_form({type, _L, arity, []}, _TypeNames, _ET, _S, _MR, _V, _D, L) -> {t_arity(), L}; -t_from_form({type, _L, atom, []}, _TypeNames, _ET, _M, _MR, _V, _D, L) -> +t_from_form({type, _L, atom, []}, _TypeNames, _ET, _S, _MR, _V, _D, L) -> {t_atom(), L}; -t_from_form({type, _L, binary, []}, _TypeNames, _ET, _M, _MR, _V, _D, L) -> +t_from_form({type, _L, binary, []}, _TypeNames, _ET, _S, _MR, _V, _D, L) -> {t_binary(), L}; t_from_form({type, _L, binary, [Base, Unit]} = Type, - _TypeNames, _ET, _M, _MR, _V, _D, L) -> + _TypeNames, _ET, _S, _MR, _V, _D, L) -> case {erl_eval:partial_eval(Base), erl_eval:partial_eval(Unit)} of {{integer, _, B}, {integer, _, U}} when B >= 0, U >= 0 -> {t_bitstr(U, B), L}; _ -> throw({error, io_lib:format("Unable to evaluate type ~w\n", [Type])}) end; -t_from_form({type, _L, bitstring, []}, _TypeNames, _ET, _M, _MR, _V, _D, L) -> +t_from_form({type, _L, bitstring, []}, _TypeNames, _ET, _S, _MR, _V, _D, L) -> {t_bitstr(), L}; -t_from_form({type, _L, bool, []}, _TypeNames, _ET, _M, _MR, _V, _D, L) -> +t_from_form({type, _L, bool, []}, _TypeNames, _ET, _S, _MR, _V, _D, L) -> {t_boolean(), L}; % XXX: Temporarily -t_from_form({type, _L, boolean, []}, _TypeNames, _ET, _M, _MR, _V, _D, L) -> +t_from_form({type, _L, boolean, []}, _TypeNames, _ET, _S, _MR, _V, _D, L) -> {t_boolean(), L}; -t_from_form({type, _L, byte, []}, _TypeNames, _ET, _M, _MR, _V, _D, L) -> +t_from_form({type, _L, byte, []}, _TypeNames, _ET, _S, _MR, _V, _D, L) -> {t_byte(), L}; -t_from_form({type, _L, char, []}, _TypeNames, _ET, _M, _MR, _V, _D, L) -> +t_from_form({type, _L, char, []}, _TypeNames, _ET, _S, _MR, _V, _D, L) -> {t_char(), L}; -t_from_form({type, _L, float, []}, _TypeNames, _ET, _M, _MR, _V, _D, L) -> +t_from_form({type, _L, float, []}, _TypeNames, _ET, _S, _MR, _V, _D, L) -> {t_float(), L}; -t_from_form({type, _L, function, []}, _TypeNames, _ET, _M, _MR, _V, _D, L) -> +t_from_form({type, _L, function, []}, _TypeNames, _ET, _S, _MR, _V, _D, L) -> {t_fun(), L}; -t_from_form({type, _L, 'fun', []}, _TypeNames, _ET, _M, _MR, _V, _D, L) -> +t_from_form({type, _L, 'fun', []}, _TypeNames, _ET, _S, _MR, _V, _D, L) -> {t_fun(), L}; t_from_form({type, _L, 'fun', [{type, _, any}, Range]}, TypeNames, - ET, M, MR, V, D, L) -> - {T, L1} = t_from_form(Range, TypeNames, ET, M, MR, V, D - 1, L - 1), + ET, S, MR, V, D, L) -> + {T, L1} = t_from_form(Range, TypeNames, ET, S, MR, V, D - 1, L - 1), {t_fun(T), L1}; t_from_form({type, _L, 'fun', [{type, _, product, Domain}, Range]}, - TypeNames, ET, M, MR, V, D, L) -> - {Dom1, L1} = list_from_form(Domain, TypeNames, ET, M, MR, V, D, L), - {Ran1, L2} = t_from_form(Range, TypeNames, ET, M, MR, V, D - 1, L1), + TypeNames, ET, S, MR, V, D, L) -> + {Dom1, L1} = list_from_form(Domain, TypeNames, ET, S, MR, V, D, L), + {Ran1, L2} = t_from_form(Range, TypeNames, ET, S, MR, V, D - 1, L1), {t_fun(Dom1, Ran1), L2}; -t_from_form({type, _L, identifier, []}, _TypeNames, _ET, _M, _MR, _V, _D, L) -> +t_from_form({type, _L, identifier, []}, _TypeNames, _ET, _S, _MR, _V, _D, L) -> {t_identifier(), L}; -t_from_form({type, _L, integer, []}, _TypeNames, _ET, _M, _MR, _V, _D, L) -> +t_from_form({type, _L, integer, []}, _TypeNames, _ET, _S, _MR, _V, _D, L) -> {t_integer(), L}; -t_from_form({type, _L, iodata, []}, _TypeNames, _ET, _M, _MR, _V, _D, L) -> +t_from_form({type, _L, iodata, []}, _TypeNames, _ET, _S, _MR, _V, _D, L) -> {t_iodata(), L}; -t_from_form({type, _L, iolist, []}, _TypeNames, _ET, _M, _MR, _V, _D, L) -> +t_from_form({type, _L, iolist, []}, _TypeNames, _ET, _S, _MR, _V, _D, L) -> {t_iolist(), L}; -t_from_form({type, _L, list, []}, _TypeNames, _ET, _M, _MR, _V, _D, L) -> +t_from_form({type, _L, list, []}, _TypeNames, _ET, _S, _MR, _V, _D, L) -> {t_list(), L}; -t_from_form({type, _L, list, [Type]}, TypeNames, ET, M, MR, V, D, L) -> - {T, L1} = t_from_form(Type, TypeNames, ET, M, MR, V, D - 1, L - 1), +t_from_form({type, _L, list, [Type]}, TypeNames, ET, S, MR, V, D, L) -> + {T, L1} = t_from_form(Type, TypeNames, ET, S, MR, V, D - 1, L - 1), {t_list(T), L1}; -t_from_form({type, _L, map, _}, TypeNames, ET, M, MR, V, D, L) -> - builtin_type(map, t_map([]), TypeNames, ET, M, MR, V, D, L); -t_from_form({type, _L, mfa, []}, _TypeNames, _ET, _M, _MR, _V, _D, L) -> +t_from_form({type, _L, map, _}, TypeNames, ET, S, MR, V, D, L) -> + builtin_type(map, t_map([]), TypeNames, ET, S, MR, V, D, L); +t_from_form({type, _L, mfa, []}, _TypeNames, _ET, _S, _MR, _V, _D, L) -> {t_mfa(), L}; -t_from_form({type, _L, module, []}, _TypeNames, _ET, _M, _MR, _V, _D, L) -> +t_from_form({type, _L, module, []}, _TypeNames, _ET, _S, _MR, _V, _D, L) -> {t_module(), L}; -t_from_form({type, _L, nil, []}, _TypeNames, _ET, _M, _MR, _V, _D, L) -> +t_from_form({type, _L, nil, []}, _TypeNames, _ET, _S, _MR, _V, _D, L) -> {t_nil(), L}; -t_from_form({type, _L, neg_integer, []}, _TypeNames, _ET, _M, _MR, _V, _D, L) -> +t_from_form({type, _L, neg_integer, []}, _TypeNames, _ET, _S, _MR, _V, _D, L) -> {t_neg_integer(), L}; -t_from_form({type, _L, non_neg_integer, []}, _TypeNames, _ET, _M, _MR, +t_from_form({type, _L, non_neg_integer, []}, _TypeNames, _ET, _S, _MR, _V, _D, L) -> {t_non_neg_integer(), L}; -t_from_form({type, _L, no_return, []}, _TypeNames, _ET, _M, _MR, _V, _D, L) -> +t_from_form({type, _L, no_return, []}, _TypeNames, _ET, _S, _MR, _V, _D, L) -> {t_unit(), L}; -t_from_form({type, _L, node, []}, _TypeNames, _ET, _M, _MR, _V, _D, L) -> +t_from_form({type, _L, node, []}, _TypeNames, _ET, _S, _MR, _V, _D, L) -> {t_node(), L}; -t_from_form({type, _L, none, []}, _TypeNames, _ET, _M, _MR, _V, _D, L) -> +t_from_form({type, _L, none, []}, _TypeNames, _ET, _S, _MR, _V, _D, L) -> {t_none(), L}; -t_from_form({type, _L, nonempty_list, []}, _TypeNames, _ET, _M, _MR, _V, _D, L) -> +t_from_form({type, _L, nonempty_list, []}, _TypeNames, _ET, _S, _MR, _V, _D, L) -> {t_nonempty_list(), L}; -t_from_form({type, _L, nonempty_list, [Type]}, TypeNames, ET, M, MR, V, D, L) -> - {T, L1} = t_from_form(Type, TypeNames, ET, M, MR, V, D, L - 1), +t_from_form({type, _L, nonempty_list, [Type]}, TypeNames, ET, S, MR, V, D, L) -> + {T, L1} = t_from_form(Type, TypeNames, ET, S, MR, V, D, L - 1), {t_nonempty_list(T), L1}; t_from_form({type, _L, nonempty_improper_list, [Cont, Term]}, TypeNames, - ET, M, MR, V, D, L) -> - {T1, L1} = t_from_form(Cont, TypeNames, ET, M, MR, V, D, L - 1), - {T2, L2} = t_from_form(Term, TypeNames, ET, M, MR, V, D, L1), + ET, S, MR, V, D, L) -> + {T1, L1} = t_from_form(Cont, TypeNames, ET, S, MR, V, D, L - 1), + {T2, L2} = t_from_form(Term, TypeNames, ET, S, MR, V, D, L1), {t_cons(T1, T2), L2}; t_from_form({type, _L, nonempty_maybe_improper_list, []}, _TypeNames, - _ET, _M, _MR, _V, _D, L) -> + _ET, _S, _MR, _V, _D, L) -> {t_cons(?any, ?any), L}; t_from_form({type, _L, nonempty_maybe_improper_list, [Cont, Term]}, - TypeNames, ET, M, MR, V, D, L) -> - {T1, L1} = t_from_form(Cont, TypeNames, ET, M, MR, V, D, L - 1), - {T2, L2} = t_from_form(Term, TypeNames, ET, M, MR, V, D, L1), + TypeNames, ET, S, MR, V, D, L) -> + {T1, L1} = t_from_form(Cont, TypeNames, ET, S, MR, V, D, L - 1), + {T2, L2} = t_from_form(Term, TypeNames, ET, S, MR, V, D, L1), {t_cons(T1, T2), L2}; -t_from_form({type, _L, nonempty_string, []}, _TypeNames, _ET, _M, _MR, _V, _D, L) -> +t_from_form({type, _L, nonempty_string, []}, _TypeNames, _ET, _S, _MR, _V, _D, L) -> {t_nonempty_string(), L}; -t_from_form({type, _L, number, []}, _TypeNames, _ET, _M, _MR, _V, _D, L) -> +t_from_form({type, _L, number, []}, _TypeNames, _ET, _S, _MR, _V, _D, L) -> {t_number(), L}; -t_from_form({type, _L, pid, []}, _TypeNames, _ET, _M, _MR, _V, _D, L) -> +t_from_form({type, _L, pid, []}, _TypeNames, _ET, _S, _MR, _V, _D, L) -> {t_pid(), L}; -t_from_form({type, _L, port, []}, _TypeNames, _ET, _M, _MR, _V, _D, L) -> +t_from_form({type, _L, port, []}, _TypeNames, _ET, _S, _MR, _V, _D, L) -> {t_port(), L}; -t_from_form({type, _L, pos_integer, []}, _TypeNames, _ET, _M, _MR, _V, _D, L) -> +t_from_form({type, _L, pos_integer, []}, _TypeNames, _ET, _S, _MR, _V, _D, L) -> {t_pos_integer(), L}; t_from_form({type, _L, maybe_improper_list, []}, _TypeNames, - _ET, _M, _MR, _V, _D, L) -> + _ET, _S, _MR, _V, _D, L) -> {t_maybe_improper_list(), L}; t_from_form({type, _L, maybe_improper_list, [Content, Termination]}, - TypeNames, ET, M, MR, V, D, L) -> - {T1, L1} = t_from_form(Content, TypeNames, ET, M, MR, V, D, L - 1), - {T2, L2} = t_from_form(Termination, TypeNames, ET, M, MR, V, D, L1), + TypeNames, ET, S, MR, V, D, L) -> + {T1, L1} = t_from_form(Content, TypeNames, ET, S, MR, V, D, L - 1), + {T2, L2} = t_from_form(Termination, TypeNames, ET, S, MR, V, D, L1), {t_maybe_improper_list(T1, T2), L2}; -t_from_form({type, _L, product, Elements}, TypeNames, ET, M, MR, V, D, L) -> - {Lst, L1} = list_from_form(Elements, TypeNames, ET, M, MR, V, D - 1, L), +t_from_form({type, _L, product, Elements}, TypeNames, ET, S, MR, V, D, L) -> + {Lst, L1} = list_from_form(Elements, TypeNames, ET, S, MR, V, D - 1, L), {t_product(Lst), L1}; t_from_form({type, _L, range, [From, To]} = Type, - _TypeNames, _ET, _M, _MR, _V, _D, L) -> + _TypeNames, _ET, _S, _MR, _V, _D, L) -> case {erl_eval:partial_eval(From), erl_eval:partial_eval(To)} of {{integer, _, FromVal}, {integer, _, ToVal}} -> {t_from_range(FromVal, ToVal), L}; _ -> throw({error, io_lib:format("Unable to evaluate type ~w\n", [Type])}) end; -t_from_form({type, _L, record, [Name|Fields]}, TypeNames, ET, M, MR, V, D, L) -> - record_from_form(Name, Fields, TypeNames, ET, M, MR, V, D, L); -t_from_form({type, _L, reference, []}, _TypeNames, _ET, _M, _MR, _V, _D, L) -> +t_from_form({type, _L, record, [Name|Fields]}, TypeNames, ET, S, MR, V, D, L) -> + record_from_form(Name, Fields, TypeNames, ET, S, MR, V, D, L); +t_from_form({type, _L, reference, []}, _TypeNames, _ET, _S, _MR, _V, _D, L) -> {t_reference(), L}; -t_from_form({type, _L, string, []}, _TypeNames, _ET, _M, _MR, _V, _D, L) -> +t_from_form({type, _L, string, []}, _TypeNames, _ET, _S, _MR, _V, _D, L) -> {t_string(), L}; -t_from_form({type, _L, term, []}, _TypeNames, _ET, _M, _MR, _V, _D, L) -> +t_from_form({type, _L, term, []}, _TypeNames, _ET, _S, _MR, _V, _D, L) -> {t_any(), L}; -t_from_form({type, _L, timeout, []}, _TypeNames, _ET, _M, _MR, _V, _D, L) -> +t_from_form({type, _L, timeout, []}, _TypeNames, _ET, _S, _MR, _V, _D, L) -> {t_timeout(), L}; -t_from_form({type, _L, tuple, any}, _TypeNames, _ET, _M, _MR, _V, _D, L) -> +t_from_form({type, _L, tuple, any}, _TypeNames, _ET, _S, _MR, _V, _D, L) -> {t_tuple(), L}; -t_from_form({type, _L, tuple, Args}, TypeNames, ET, M, MR, V, D, L) -> - {Lst, L1} = list_from_form(Args, TypeNames, ET, M, MR, V, D - 1, L), +t_from_form({type, _L, tuple, Args}, TypeNames, ET, S, MR, V, D, L) -> + {Lst, L1} = list_from_form(Args, TypeNames, ET, S, MR, V, D - 1, L), {t_tuple(Lst), L1}; -t_from_form({type, _L, union, Args}, TypeNames, ET, M, MR, V, D, L) -> - {Lst, L1} = list_from_form(Args, TypeNames, ET, M, MR, V, D, L), +t_from_form({type, _L, union, Args}, TypeNames, ET, S, MR, V, D, L) -> + {Lst, L1} = list_from_form(Args, TypeNames, ET, S, MR, V, D, L), {t_sup(Lst), L1}; -t_from_form({user_type, _L, Name, Args}, TypeNames, ET, M, MR, V, D, L) -> - type_from_form(Name, Args, TypeNames, ET, M, MR, V, D, L); -t_from_form({type, _L, Name, Args}, TypeNames, ET, M, MR, V, D, L) -> +t_from_form({user_type, _L, Name, Args}, TypeNames, ET, S, MR, V, D, L) -> + type_from_form(Name, Args, TypeNames, ET, S, MR, V, D, L); +t_from_form({type, _L, Name, Args}, TypeNames, ET, S, MR, V, D, L) -> %% Compatibility: modules compiled before Erlang/OTP 18.0. - type_from_form(Name, Args, TypeNames, ET, M, MR, V, D, L); + type_from_form(Name, Args, TypeNames, ET, S, MR, V, D, L); t_from_form({opaque, _L, Name, {Mod, Args, Rep}}, _TypeNames, - _ET, _M, _MR, _V, _D, L) -> + _ET, _S, _MR, _V, _D, L) -> %% XXX. To be removed. {t_opaque(Mod, Name, Args, Rep), L}. -builtin_type(Name, Type, TypeNames, ET, M, MR, V, D, L) -> +builtin_type(Name, Type, TypeNames, ET, Site, MR, V, D, L) -> + M = site_module(Site), case dict:find(M, MR) of {ok, R} -> case lookup_type(Name, 0, R) of {_, {{_M, _FL, _F, _A}, _T}} -> - type_from_form(Name, [], TypeNames, ET, M, MR, V, D, L); + type_from_form(Name, [], TypeNames, ET, Site, MR, V, D, L); error -> {Type, L} end; @@ -4215,92 +4326,107 @@ builtin_type(Name, Type, TypeNames, ET, M, MR, V, D, L) -> {Type, L} end. -type_from_form(Name, Args, TypeNames, ET, M, MR, V, D, L) -> +type_from_form(Name, Args, TypeNames, ET, Site0, MR, V, D, L) -> ArgsLen = length(Args), - {ArgTypes, L1} = list_from_form(Args, TypeNames, ET, M, MR, V, D, L), - {ok, R} = dict:find(M, MR), + Module = site_module(Site0), + {ok, R} = dict:find(Module, MR), + TypeName = {type, {Module, Name, ArgsLen}}, case lookup_type(Name, ArgsLen, R) of {type, {{Module, _FileName, Form, ArgNames}, _Type}} -> - TypeName = {type, Module, Name, ArgsLen}, case can_unfold_more(TypeName, TypeNames) of true -> + NewTypeNames = [TypeName|TypeNames], + {ArgTypes, L1} = + list_from_form(Args, TypeNames, ET, Site0, MR, V, D, L), List = lists:zip(ArgNames, ArgTypes), TmpV = dict:from_list(List), - t_from_form(Form, [TypeName|TypeNames], ET, M, MR, TmpV, D, L1); + Site = TypeName, + t_from_form(Form, NewTypeNames, ET, Site, MR, TmpV, D, L1); false -> - {t_any(), L1} + {t_any(), L} end; {opaque, {{Module, _FileName, Form, ArgNames}, Type}} -> - TypeName = {opaque, Module, Name, ArgsLen}, - {Rep, L2} = - case can_unfold_more(TypeName, TypeNames) of - true -> - List = lists:zip(ArgNames, ArgTypes), - TmpV = dict:from_list(List), - t_from_form(Form, [TypeName|TypeNames], ET, M, MR, TmpV, D, L1); - false -> {t_any(), L1} - end, - Rep1 = choose_opaque_type(Rep, Type), - Rep2 = case t_is_none(Rep1) of - true -> Rep1; - false -> - Args2 = [subst_all_vars_to_any(ArgType) || - ArgType <- ArgTypes], - t_opaque(Module, Name, Args2, Rep1) - end, - {Rep2, L2}; + case can_unfold_more(TypeName, TypeNames) of + true -> + NewTypeNames = [TypeName|TypeNames], + {ArgTypes, L1} = + list_from_form(Args, NewTypeNames, ET, Site0, MR, V, D, L), + List = lists:zip(ArgNames, ArgTypes), + TmpV = dict:from_list(List), + Site = TypeName, + {Rep, L2} = + t_from_form(Form, NewTypeNames, ET, Site, MR, TmpV, D, L1), + Rep1 = choose_opaque_type(Rep, Type), + Rep2 = case cannot_have_opaque(Rep1, TypeName, TypeNames) of + true -> Rep1; + false -> + ArgTypes2 = subst_all_vars_to_any_list(ArgTypes), + t_opaque(Module, Name, ArgTypes2, Rep1) + end, + {Rep2, L2}; + false -> {t_any(), L} + end; error -> Msg = io_lib:format("Unable to find type ~w/~w\n", [Name, ArgsLen]), throw({error, Msg}) end. -remote_from_form(RemMod, Name, Args, TypeNames, ET, M, MR, V, D, L) -> - {ArgTypes, L1} = list_from_form(Args, TypeNames, ET, M, MR, V, D, L), +remote_from_form(RemMod, Name, Args, TypeNames, ET, S, MR, V, D, L) -> if ET =:= replace_by_none -> - {t_none(), L1}; + {t_none(), L}; true -> ArgsLen = length(Args), + MFA = {RemMod, Name, ArgsLen}, case dict:find(RemMod, MR) of error -> - self() ! {self(), ext_types, {RemMod, Name, ArgsLen}}, - {t_any(), L1}; + self() ! {self(), ext_types, MFA}, + {t_any(), L}; {ok, RemDict} -> - MFA = {RemMod, Name, ArgsLen}, + RemType = {type, MFA}, case sets:is_element(MFA, ET) of true -> case lookup_type(Name, ArgsLen, RemDict) of {type, {{_Mod, _FileLine, Form, ArgNames}, _Type}} -> - RemType = {type, RemMod, Name, ArgsLen}, case can_unfold_more(RemType, TypeNames) of true -> + NewTypeNames = [RemType|TypeNames], + {ArgTypes, L1} = list_from_form(Args, TypeNames, + ET, S, MR, V, D, L), List = lists:zip(ArgNames, ArgTypes), TmpVarDict = dict:from_list(List), - NewTypeNames = [RemType|TypeNames], + Site = RemType, t_from_form(Form, NewTypeNames, ET, - RemMod, MR, TmpVarDict, D, L1); + Site, MR, TmpVarDict, D, L1); false -> - {t_any(), L1} + {t_any(), L} end; {opaque, {{Mod, _FileLine, Form, ArgNames}, Type}} -> - RemType = {opaque, RemMod, Name, ArgsLen}, - List = lists:zip(ArgNames, ArgTypes), - TmpVarDict = dict:from_list(List), - {NewRep, L2} = - case can_unfold_more(RemType, TypeNames) of - true -> - NewTypeNames = [RemType|TypeNames], - t_from_form(Form, NewTypeNames, ET, RemMod, MR, - TmpVarDict, D, L1); - false -> - {t_any(), L1} - end, - NewRep1 = choose_opaque_type(NewRep, Type), - NewRep2 = case t_is_none(NewRep1) of - true -> NewRep1; - false -> t_opaque(Mod, Name, ArgTypes, NewRep1) - end, - {NewRep2, L2}; + case can_unfold_more(RemType, TypeNames) of + true -> + NewTypeNames = [RemType|TypeNames], + {ArgTypes, L1} = list_from_form(Args, NewTypeNames, + ET, S, MR, V, D, L), + List = lists:zip(ArgNames, ArgTypes), + TmpVarDict = dict:from_list(List), + Site = RemType, + {NewRep, L2} = + t_from_form(Form, NewTypeNames, ET, Site, MR, + TmpVarDict, D, L1), + NewRep1 = choose_opaque_type(NewRep, Type), + NewRep2 = + case + cannot_have_opaque(NewRep1, RemType, TypeNames) + of + true -> NewRep1; + false -> + ArgTypes2 = subst_all_vars_to_any_list(ArgTypes), + t_opaque(Mod, Name, ArgTypes2, NewRep1) + end, + {NewRep2, L2}; + false -> + {t_any(), L} + end; error -> Msg = io_lib:format("Unable to find remote type ~w:~w()\n", [RemMod, Name]), @@ -4308,11 +4434,14 @@ remote_from_form(RemMod, Name, Args, TypeNames, ET, M, MR, V, D, L) -> end; false -> self() ! {self(), ext_types, {RemMod, Name, ArgsLen}}, - {t_any(), L1} + {t_any(), L} end end end. +subst_all_vars_to_any_list(Types) -> + [subst_all_vars_to_any(Type) || Type <- Types]. + %% Opaque types (both local and remote) are problematic when it comes %% to the limits (TypeNames, D, and L). The reason is that if any() is %% substituted for a more specialized subtype of an opaque type, the @@ -4332,22 +4461,24 @@ choose_opaque_type(Type, DeclType) -> false -> DeclType end. -record_from_form({atom, _, Name}, ModFields, TypeNames, ET, M, MR, V, D, L) -> +record_from_form({atom, _, Name}, ModFields, TypeNames, ET, S, MR, V, D, L) -> case can_unfold_more({record, Name}, TypeNames) of true -> + M = site_module(S), {ok, R} = dict:find(M, MR), case lookup_record(Name, R) of {ok, DeclFields} -> NewTypeNames = [{record, Name}|TypeNames], + S1 = {record, {M, Name, length(DeclFields)}}, {GetModRec, L1} = get_mod_record(ModFields, DeclFields, - NewTypeNames, ET, M, MR, V, D, L), + NewTypeNames, ET, S1, MR, V, D, L), case GetModRec of {error, FieldName} -> throw({error, io_lib:format("Illegal declaration of #~w{~w}\n", [Name, FieldName])}); {ok, NewFields} -> {NewFields1, L2} = - fields_from_form(NewFields, NewTypeNames, ET, M, MR, + fields_from_form(NewFields, NewTypeNames, ET, S1, MR, dict:new(), D, L1), Rec = t_tuple( [t_atom(Name)|[Type @@ -4361,12 +4492,12 @@ record_from_form({atom, _, Name}, ModFields, TypeNames, ET, M, MR, V, D, L) -> {t_any(), L} end. -get_mod_record([], DeclFields, _TypeNames, _ET, _M, _MR, _V, _D, L) -> +get_mod_record([], DeclFields, _TypeNames, _ET, _S, _MR, _V, _D, L) -> {{ok, DeclFields}, L}; -get_mod_record(ModFields, DeclFields, TypeNames, ET, M, MR, V, D, L) -> +get_mod_record(ModFields, DeclFields, TypeNames, ET, S, MR, V, D, L) -> DeclFieldsDict = lists:keysort(1, DeclFields), {ModFieldsDict, L1} = - build_field_dict(ModFields, TypeNames, ET, M, MR, V, D, L), + build_field_dict(ModFields, TypeNames, ET, S, MR, V, D, L), case get_mod_record_types(DeclFieldsDict, ModFieldsDict, []) of {error, _FieldName} = Error -> {Error, L1}; {ok, FinalKeyDict} -> @@ -4375,17 +4506,17 @@ get_mod_record(ModFields, DeclFields, TypeNames, ET, M, MR, V, D, L) -> {{ok, Fields}, L1} end. -build_field_dict(FieldTypes, TypeNames, ET, M, MR, V, D, L) -> - build_field_dict(FieldTypes, TypeNames, ET, M, MR, V, D, L, []). +build_field_dict(FieldTypes, TypeNames, ET, S, MR, V, D, L) -> + build_field_dict(FieldTypes, TypeNames, ET, S, MR, V, D, L, []). build_field_dict([{type, _, field_type, [{atom, _, Name}, Type]}|Left], - TypeNames, ET, M, MR, V, D, L, Acc) -> - {T, L1} = t_from_form(Type, TypeNames, ET, M, MR, V, D, L - 1), + TypeNames, ET, S, MR, V, D, L, Acc) -> + {T, L1} = t_from_form(Type, TypeNames, ET, S, MR, V, D, L - 1), NewAcc = [{Name, Type, T}|Acc], {Dict, L2} = - build_field_dict(Left, TypeNames, ET, M, MR, V, D, L1, NewAcc), + build_field_dict(Left, TypeNames, ET, S, MR, V, D, L1, NewAcc), {Dict, L2}; -build_field_dict([], _TypeNames, _ET, _M, _MR, _V, _D, L, Acc) -> +build_field_dict([], _TypeNames, _ET, _S, _MR, _V, _D, L, Acc) -> {lists:keysort(1, Acc), L}. get_mod_record_types([{FieldName, _Abstr, _DeclType}|Left1], @@ -4404,88 +4535,94 @@ get_mod_record_types(_, [{FieldName2, _FormType, _ModType}|_], _Acc) -> %% It is important to create a limited version of the record type %% since nested record types can otherwise easily result in huge %% terms. -fields_from_form([], _TypeNames, _ET, _M, _MR, _V, _D, L) -> +fields_from_form([], _TypeNames, _ET, _S, _MR, _V, _D, L) -> {[], L}; -fields_from_form([{Name, Abstr, _Type}|Tail], TypeNames, ET, M, MR, +fields_from_form([{Name, Abstr, _Type}|Tail], TypeNames, ET, S, MR, V, D, L) -> - {T, L1} = t_from_form(Abstr, TypeNames, ET, M, MR, V, D, L), - {F, L2} = fields_from_form(Tail, TypeNames, ET, M, MR, V, D, L1), + {T, L1} = t_from_form(Abstr, TypeNames, ET, S, MR, V, D, L), + {F, L2} = fields_from_form(Tail, TypeNames, ET, S, MR, V, D, L1), {[{Name, T}|F], L2}. -list_from_form([], _TypeNames, _ET, _M, _MR, _V, _D, L) -> +list_from_form([], _TypeNames, _ET, _S, _MR, _V, _D, L) -> {[], L}; -list_from_form([H|Tail], TypeNames, ET, M, MR, V, D, L) -> - {H1, L1} = t_from_form(H, TypeNames, ET, M, MR, V, D, L - 1), - {T1, L2} = list_from_form(Tail, TypeNames, ET, M, MR, V, D, L1), +list_from_form([H|Tail], TypeNames, ET, S, MR, V, D, L) -> + {H1, L1} = t_from_form(H, TypeNames, ET, S, MR, V, D, L - 1), + {T1, L2} = list_from_form(Tail, TypeNames, ET, S, MR, V, D, L1), {[H1|T1], L2}. --spec t_check_record_fields(parse_form(), sets:set(mfa()), module(), +-spec t_check_record_fields(parse_form(), sets:set(mfa()), site(), mod_records()) -> ok. -t_check_record_fields(Form, ExpTypes, Module, RecDict) -> - t_check_record_fields(Form, ExpTypes, Module, RecDict, dict:new()). +t_check_record_fields(Form, ExpTypes, Site, RecDict) -> + t_check_record_fields(Form, ExpTypes, Site, RecDict, dict:new()). --spec t_check_record_fields(parse_form(), sets:set(mfa()), module(), +-spec t_check_record_fields(parse_form(), sets:set(mfa()), site(), mod_records(), var_table()) -> ok. %% If there is something wrong with parse_form() %% throw({error, io_lib:chars()} is called. -t_check_record_fields({var, _L, _}, _ET, _M, _MR, _V) -> ok; -t_check_record_fields({ann_type, _L, [_Var, Type]}, ET, M, MR, V) -> - t_check_record_fields(Type, ET, M, MR, V); -t_check_record_fields({paren_type, _L, [Type]}, ET, M, MR, V) -> - t_check_record_fields(Type, ET, M, MR, V); +t_check_record_fields({var, _L, _}, _ET, _S, _MR, _V) -> ok; +t_check_record_fields({ann_type, _L, [_Var, Type]}, ET, S, MR, V) -> + t_check_record_fields(Type, ET, S, MR, V); +t_check_record_fields({paren_type, _L, [Type]}, ET, S, MR, V) -> + t_check_record_fields(Type, ET, S, MR, V); t_check_record_fields({remote_type, _L, [{atom, _, _}, {atom, _, _}, Args]}, - ET, M, MR, V) -> - list_check_record_fields(Args, ET, M, MR, V); -t_check_record_fields({atom, _L, _}, _ET, _M, _MR, _V) -> ok; -t_check_record_fields({integer, _L, _}, _ET, _M, _MR, _V) -> ok; -t_check_record_fields({op, _L, _Op, _Arg}, _ET, _M, _MR, _V) -> ok; -t_check_record_fields({op, _L, _Op, _Arg1, _Arg2}, _ET, _M, _MR, _V) -> ok; -t_check_record_fields({type, _L, tuple, any}, _ET, _M, _MR, _V) -> ok; -t_check_record_fields({type, _L, map, any}, _ET, _M, _MR, _V) -> ok; -t_check_record_fields({type, _L, binary, [_Base, _Unit]}, _ET, _M, _MR, _V) -> + ET, S, MR, V) -> + list_check_record_fields(Args, ET, S, MR, V); +t_check_record_fields({atom, _L, _}, _ET, _S, _MR, _V) -> ok; +t_check_record_fields({integer, _L, _}, _ET, _S, _MR, _V) -> ok; +t_check_record_fields({op, _L, _Op, _Arg}, _ET, _S, _MR, _V) -> ok; +t_check_record_fields({op, _L, _Op, _Arg1, _Arg2}, _ET, _S, _MR, _V) -> ok; +t_check_record_fields({type, _L, tuple, any}, _ET, _S, _MR, _V) -> ok; +t_check_record_fields({type, _L, map, any}, _ET, _S, _MR, _V) -> ok; +t_check_record_fields({type, _L, binary, [_Base, _Unit]}, _ET, _S, _MR, _V) -> ok; t_check_record_fields({type, _L, 'fun', [{type, _, any}, Range]}, - ET, M, MR, V) -> - t_check_record_fields(Range, ET, M, MR, V); -t_check_record_fields({type, _L, range, [_From, _To]}, _ET, _M, _MR, _V) -> + ET, S, MR, V) -> + t_check_record_fields(Range, ET, S, MR, V); +t_check_record_fields({type, _L, range, [_From, _To]}, _ET, _S, _MR, _V) -> ok; -t_check_record_fields({type, _L, record, [Name|Fields]}, ET, M, MR, V) -> - check_record(Name, Fields, ET, M, MR, V); -t_check_record_fields({type, _L, _, Args}, ET, M, MR, V) -> - list_check_record_fields(Args, ET, M, MR, V); -t_check_record_fields({user_type, _L, _Name, Args}, ET, M, MR, V) -> - list_check_record_fields(Args, ET, M, MR, V). - -check_record({atom, _, Name}, ModFields, ET, M, MR, V) -> +t_check_record_fields({type, _L, record, [Name|Fields]}, ET, S, MR, V) -> + check_record(Name, Fields, ET, S, MR, V); +t_check_record_fields({type, _L, _, Args}, ET, S, MR, V) -> + list_check_record_fields(Args, ET, S, MR, V); +t_check_record_fields({user_type, _L, _Name, Args}, ET, S, MR, V) -> + list_check_record_fields(Args, ET, S, MR, V). + +check_record({atom, _, Name}, ModFields, ET, Site, MR, V) -> + M = site_module(Site), {ok, R} = dict:find(M, MR), {ok, DeclFields} = lookup_record(Name, R), - case check_fields(ModFields, DeclFields, ET, M, MR, V) of + case check_fields(Name, ModFields, DeclFields, ET, Site, MR, V) of {error, FieldName} -> throw({error, io_lib:format("Illegal declaration of #~w{~w}\n", [Name, FieldName])}); ok -> ok end. -check_fields([{type, _, field_type, [{atom, _, Name}, Abstr]}|Left], - DeclFields, ET, M, MR, V) -> - Type = t_from_form(Abstr, ET, M, MR, V), +check_fields(RecName, [{type, _, field_type, [{atom, _, Name}, Abstr]}|Left], + DeclFields, ET, Site0, MR, V) -> + M = site_module(Site0), + Site = {record, {M, RecName, length(DeclFields)}}, + Type = t_from_form(Abstr, ET, Site, MR, V), {Name, _, DeclType} = lists:keyfind(Name, 1, DeclFields), TypeNoVars = subst_all_vars_to_any(Type), case t_is_subtype(TypeNoVars, DeclType) of false -> {error, Name}; - true -> check_fields(Left, DeclFields, ET, M, MR, V) + true -> check_fields(RecName, Left, DeclFields, ET, Site0, MR, V) end; -check_fields([], _Decl, _ET, _M, _MR, _V) -> +check_fields(_RecName, [], _Decl, _ET, _Site, _MR, _V) -> ok. -list_check_record_fields([], _ET, _M, _MR, _V) -> +list_check_record_fields([], _ET, _S, _MR, _V) -> ok; -list_check_record_fields([H|Tail], ET, M, MR, V) -> - ok = t_check_record_fields(H, ET, M, MR, V), - list_check_record_fields(Tail, ET, M, MR, V). +list_check_record_fields([H|Tail], ET, S, MR, V) -> + ok = t_check_record_fields(H, ET, S, MR, V), + list_check_record_fields(Tail, ET, S, MR, V). + +site_module({_, {Module, _, _}}) -> + Module. -spec t_var_names([erl_type()]) -> [atom()]. @@ -4580,8 +4717,9 @@ t_form_to_string({type, _L, Name, []} = T) -> M = mod, D0 = dict:new(), MR = dict:from_list([{M, D0}]), + S = {type, {M,Name,0}}, {T1, _} = - t_from_form(T, [], sets:new(), M, MR, D0, _Deep=1000, _ALot=100000), + t_from_form(T, [], sets:new(), S, MR, D0, _Deep=1000, _ALot=100000), t_to_string(T1) catch throw:{error, _} -> atom_to_string(Name) ++ "()" end; @@ -4673,6 +4811,12 @@ lookup_type(Name, Arity, RecDict) -> type_is_defined(TypeOrOpaque, Name, Arity, RecDict) -> dict:is_key({TypeOrOpaque, Name, Arity}, RecDict). +cannot_have_opaque(Type, TypeName, TypeNames) -> + t_is_none(Type) orelse is_recursive(TypeName, TypeNames). + +is_recursive(TypeName, TypeNames) -> + lists:member(TypeName, TypeNames). + can_unfold_more(TypeName, TypeNames) -> Fun = fun(E, Acc) -> case E of TypeName -> Acc + 1; _ -> Acc end end, lists:foldl(Fun, 0, TypeNames) < ?REC_TYPE_LIMIT. |