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-rw-r--r--lib/hipe/cerl/erl_types.erl526
1 files changed, 268 insertions, 258 deletions
diff --git a/lib/hipe/cerl/erl_types.erl b/lib/hipe/cerl/erl_types.erl
index 7bfb44c06f..208f439388 100644
--- a/lib/hipe/cerl/erl_types.erl
+++ b/lib/hipe/cerl/erl_types.erl
@@ -4419,6 +4419,7 @@ mod_name(Mod, Name) ->
-type mta() :: {module(), atom(), arity()}.
-type mra() :: {module(), atom(), arity()}.
-type site() :: {'type', mta()} | {'spec', mfa()} | {'record', mra()}.
+-type cache() :: #{{module(), parse_form()} => erl_type()}.
-spec t_from_form(parse_form(), sets:set(mfa()),
site(), mod_records()) -> erl_type().
@@ -4482,15 +4483,28 @@ t_from_form_loop(Form, TypeNames, ET, Site, MR, V, D, L0) ->
t_from_form_loop(Form, TypeNames, ET, Site, MR, V, D1, L1)
end.
+-record(from_form, {site :: site(),
+ xtypes :: sets:set(mfa()) | 'replace_by_none',
+ mrecs :: mod_records(),
+ vtab :: var_table(),
+ tnames :: type_names()}).
+
t_from_form2(Form, TypeNames, ET, Site, MR, V, D) ->
L = ?EXPAND_LIMIT,
- t_from_form(Form, TypeNames, ET, Site, MR, V, D, L).
-
--spec t_from_form(parse_form(), type_names(),
- sets:set(mfa()) | 'replace_by_none',
- site(), mod_records(), var_table(),
- expand_depth(), expand_limit())
- -> {erl_type(), expand_limit()}.
+ State = #from_form{site = Site,
+ xtypes = ET,
+ mrecs = MR,
+ vtab = V,
+ tnames = TypeNames},
+ C = #{},
+ {T, L1, _C1} = from_form(Form, State, D, L, C),
+ {T, L1}.
+
+-spec from_form(parse_form(),
+ #from_form{},
+ expand_depth(),
+ expand_limit(),
+ cache()) -> {erl_type(), expand_limit(), cache()}.
%% If there is something wrong with parse_form()
%% throw({error, io_lib:chars()} is called;
@@ -4500,218 +4514,213 @@ t_from_form2(Form, TypeNames, ET, Site, MR, V, D) ->
%%
%% It is assumed that site_module(S) can be found in MR.
-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, _S, _MR, _V, _D, L) ->
- {t_any(), L};
-t_from_form({var, _L, Name}, _TypeNames, _ET, _S, _MR, V, _D, L) ->
+from_form(_, _S, D, L, C) when D =< 0 ; L =< 0 ->
+ {t_any(), L, C};
+from_form({var, _L, '_'}, _S, _D, L, C) ->
+ {t_any(), L, C};
+from_form({var, _L, Name}, S, _D, L, C) ->
+ V = S#from_form.vtab,
case maps:find(Name, V) of
- error -> {t_var(Name), L};
- {ok, Val} -> {Val, L}
+ error -> {t_var(Name), L, C};
+ {ok, Val} -> {Val, L, C}
end;
-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, 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, _S, _MR, _V, _D, L) ->
- {t_integer(Int), L};
-t_from_form({op, _L, _Op, _Arg} = Op, _TypeNames, _ET, _S, _MR, _V, _D, L) ->
+from_form({ann_type, _L, [_Var, Type]}, S, D, L, C) ->
+ from_form(Type, S, D, L, C);
+from_form({paren_type, _L, [Type]}, S, D, L, C) ->
+ from_form(Type, S, D, L, C);
+from_form({remote_type, _L, [{atom, _, Module}, {atom, _, Type}, Args]},
+ S, D, L, C) ->
+ remote_from_form(Module, Type, Args, S, D, L, C);
+from_form({atom, _L, Atom}, _S, _D, L, C) ->
+ {t_atom(Atom), L, C};
+from_form({integer, _L, Int}, _S, _D, L, C) ->
+ {t_integer(Int), L, C};
+from_form({op, _L, _Op, _Arg} = Op, _S, _D, L, C) ->
case erl_eval:partial_eval(Op) of
{integer, _, Val} ->
- {t_integer(Val), L};
+ {t_integer(Val), L, C};
_ -> throw({error, io_lib:format("Unable to evaluate type ~w\n", [Op])})
end;
-t_from_form({op, _L, _Op, _Arg1, _Arg2} = Op, _TypeNames,
- _ET, _S, _MR, _V, _D, L) ->
+from_form({op, _L, _Op, _Arg1, _Arg2} = Op, _S, _D, L, C) ->
case erl_eval:partial_eval(Op) of
{integer, _, Val} ->
- {t_integer(Val), L};
+ {t_integer(Val), L, C};
_ -> throw({error, io_lib:format("Unable to evaluate type ~w\n", [Op])})
end;
-t_from_form({type, _L, any, []}, _TypeNames, _ET, _S, _MR, _V, _D, L) ->
- {t_any(), 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, _S, _MR, _V, _D, L) ->
- {t_atom(), 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, _S, _MR, _V, _D, L) ->
+from_form({type, _L, any, []}, _S, _D, L, C) ->
+ {t_any(), L, C};
+from_form({type, _L, arity, []}, _S, _D, L, C) ->
+ {t_arity(), L, C};
+from_form({type, _L, atom, []}, _S, _D, L, C) ->
+ {t_atom(), L, C};
+from_form({type, _L, binary, []}, _S, _D, L, C) ->
+ {t_binary(), L, C};
+from_form({type, _L, binary, [Base, Unit]} = Type, _S, _D, L, C) ->
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};
+ {t_bitstr(U, B), L, C};
_ -> throw({error, io_lib:format("Unable to evaluate type ~w\n", [Type])})
end;
-t_from_form({type, _L, bitstring, []}, _TypeNames, _ET, _S, _MR, _V, _D, L) ->
- {t_bitstr(), 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, _S, _MR, _V, _D, L) ->
- {t_boolean(), 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, _S, _MR, _V, _D, L) ->
- {t_char(), 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, _S, _MR, _V, _D, L) ->
- {t_fun(), 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, 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, 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, L1),
- {t_fun(Dom1, Ran1), L2};
-t_from_form({type, _L, identifier, []}, _TypeNames, _ET, _S, _MR, _V, _D, L) ->
- {t_identifier(), 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, _S, _MR, _V, _D, L) ->
- {t_iodata(), 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, _S, _MR, _V, _D, L) ->
- {t_list(), L};
-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, any}, TypeNames, ET, S, MR, V, D, L) ->
- builtin_type(map, t_map(), TypeNames, ET, S, MR, V, D, L);
-t_from_form({type, _L, map, List}, TypeNames, ET, S, MR, V, D, L) ->
- {Pairs1, L5} =
- fun PairsFromForm(_, L1) when L1 =< 0 -> {[{?any,?opt,?any}], L1};
- PairsFromForm([], L1) -> {[], L1};
- PairsFromForm([{type, _, Oper, [KF, VF]}|T], L1) ->
- {Key, L2} = t_from_form(KF, TypeNames, ET, S, MR, V, D - 1, L1),
- {Val, L3} = t_from_form(VF, TypeNames, ET, S, MR, V, D - 1, L2),
- {Pairs0, L4} = PairsFromForm(T, L3 - 1),
+from_form({type, _L, bitstring, []}, _S, _D, L, C) ->
+ {t_bitstr(), L, C};
+from_form({type, _L, bool, []}, _S, _D, L, C) ->
+ {t_boolean(), L, C}; % XXX: Temporarily
+from_form({type, _L, boolean, []}, _S, _D, L, C) ->
+ {t_boolean(), L, C};
+from_form({type, _L, byte, []}, _S, _D, L, C) ->
+ {t_byte(), L, C};
+from_form({type, _L, char, []}, _S, _D, L, C) ->
+ {t_char(), L, C};
+from_form({type, _L, float, []}, _S, _D, L, C) ->
+ {t_float(), L, C};
+from_form({type, _L, function, []}, _S, _D, L, C) ->
+ {t_fun(), L, C};
+from_form({type, _L, 'fun', []}, _S, _D, L, C) ->
+ {t_fun(), L, C};
+from_form({type, _L, 'fun', [{type, _, any}, Range]}, S, D, L, C) ->
+ {T, L1} = from_form(Range, S, D - 1, L - 1, C),
+ {t_fun(T), L1, C};
+from_form({type, _L, 'fun', [{type, _, product, Domain}, Range]},
+ S, D, L, C) ->
+ {Dom1, L1, C1} = list_from_form(Domain, S, D, L, C),
+ {Ran1, L2, C2} = from_form(Range, S, D, L1, C1),
+ {t_fun(Dom1, Ran1), L2, C2};
+from_form({type, _L, identifier, []}, _S, _D, L, C) ->
+ {t_identifier(), L, C};
+from_form({type, _L, integer, []}, _S, _D, L, C) ->
+ {t_integer(), L, C};
+from_form({type, _L, iodata, []}, _S, _D, L, C) ->
+ {t_iodata(), L, C};
+from_form({type, _L, iolist, []}, _S, _D, L, C) ->
+ {t_iolist(), L, C};
+from_form({type, _L, list, []}, _S, _D, L, C) ->
+ {t_list(), L, C};
+from_form({type, _L, list, [Type]}, S, D, L, C) ->
+ {T, L1, C1} = from_form(Type, S, D - 1, L - 1, C),
+ {t_list(T), L1, C1};
+from_form({type, _L, map, any}, S, D, L, C) ->
+ builtin_type(map, t_map(), S, D, L, C);
+from_form({type, _L, map, List}, S, D0, L, C) ->
+ {Pairs1, L5, C5} =
+ fun PairsFromForm(_, L1, C1) when L1 =< 0 -> {[{?any,?opt,?any}], L1, C1};
+ PairsFromForm([], L1, C1) -> {[], L1, C1};
+ PairsFromForm([{type, _, Oper, [KF, VF]}|T], L1, C1) ->
+ D = D0 - 1,
+ {Key, L2, C2} = from_form(KF, S, D, L1, C1),
+ {Val, L3, C3} = from_form(VF, S, D, L2, C2),
+ {Pairs0, L4, C4} = PairsFromForm(T, L3 - 1, C3),
case Oper of
- map_field_assoc -> {[{Key,?opt, Val}|Pairs0], L4};
- map_field_exact -> {[{Key,?mand,Val}|Pairs0], L4}
+ map_field_assoc -> {[{Key,?opt, Val}|Pairs0], L4, C4};
+ map_field_exact -> {[{Key,?mand,Val}|Pairs0], L4, C4}
end
- end(List, L),
+ end(List, L, C),
try
{Pairs, DefK, DefV} = map_from_form(Pairs1, [], [], [], ?none, ?none),
- {t_map(Pairs, DefK, DefV), L5}
- catch none -> {t_none(), L5}
+ {t_map(Pairs, DefK, DefV), L5, C5}
+ catch none -> {t_none(), L5, C5}
end;
-t_from_form({type, _L, mfa, []}, _TypeNames, _ET, _S, _MR, _V, _D, L) ->
- {t_mfa(), 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, _S, _MR, _V, _D, L) ->
- {t_nil(), 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, _S, _MR,
- _V, _D, L) ->
- {t_non_neg_integer(), 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, _S, _MR, _V, _D, L) ->
- {t_node(), 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, _S, _MR, _V, _D, L) ->
- {t_nonempty_list(), L};
-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, 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, _S, _MR, _V, _D, L) ->
- {t_cons(?any, ?any), L};
-t_from_form({type, _L, nonempty_maybe_improper_list, [Cont, Term]},
- 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, _S, _MR, _V, _D, L) ->
- {t_nonempty_string(), 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, _S, _MR, _V, _D, L) ->
- {t_pid(), 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, _S, _MR, _V, _D, L) ->
- {t_pos_integer(), L};
-t_from_form({type, _L, maybe_improper_list, []}, _TypeNames,
- _ET, _S, _MR, _V, _D, L) ->
- {t_maybe_improper_list(), L};
-t_from_form({type, _L, maybe_improper_list, [Content, Termination]},
- 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, 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, _S, _MR, _V, _D, L) ->
+from_form({type, _L, mfa, []}, _S, _D, L, C) ->
+ {t_mfa(), L, C};
+from_form({type, _L, module, []}, _S, _D, L, C) ->
+ {t_module(), L, C};
+from_form({type, _L, nil, []}, _S, _D, L, C) ->
+ {t_nil(), L, C};
+from_form({type, _L, neg_integer, []}, _S, _D, L, C) ->
+ {t_neg_integer(), L, C};
+from_form({type, _L, non_neg_integer, []}, _S, _D, L, C) ->
+ {t_non_neg_integer(), L, C};
+from_form({type, _L, no_return, []}, _S, _D, L, C) ->
+ {t_unit(), L, C};
+from_form({type, _L, node, []}, _S, _D, L, C) ->
+ {t_node(), L, C};
+from_form({type, _L, none, []}, _S, _D, L, C) ->
+ {t_none(), L, C};
+from_form({type, _L, nonempty_list, []}, _S, _D, L, C) ->
+ {t_nonempty_list(), L, C};
+from_form({type, _L, nonempty_list, [Type]}, S, D, L, C) ->
+ {T, L1, C1} = from_form(Type, S, D, L - 1, C),
+ {t_nonempty_list(T), L1, C1};
+from_form({type, _L, nonempty_improper_list, [Cont, Term]}, S, D, L, C) ->
+ {T1, L1, C1} = from_form(Cont, S, D, L - 1, C),
+ {T2, L2, C2} = from_form(Term, S, D, L1, C1),
+ {t_cons(T1, T2), L2, C2};
+from_form({type, _L, nonempty_maybe_improper_list, []}, _S, _D, L, C) ->
+ {t_cons(?any, ?any), L, C};
+from_form({type, _L, nonempty_maybe_improper_list, [Cont, Term]},
+ S, D, L, C) ->
+ {T1, L1, C1} = from_form(Cont, S, D, L - 1, C),
+ {T2, L2, C2} = from_form(Term, S, D, L1, C1),
+ {t_cons(T1, T2), L2, C2};
+from_form({type, _L, nonempty_string, []}, _S, _D, L, C) ->
+ {t_nonempty_string(), L, C};
+from_form({type, _L, number, []}, _S, _D, L, C) ->
+ {t_number(), L, C};
+from_form({type, _L, pid, []}, _S, _D, L, C) ->
+ {t_pid(), L, C};
+from_form({type, _L, port, []}, _S, _D, L, C) ->
+ {t_port(), L, C};
+from_form({type, _L, pos_integer, []}, _S, _D, L, C) ->
+ {t_pos_integer(), L, C};
+from_form({type, _L, maybe_improper_list, []}, _S, _D, L, C) ->
+ {t_maybe_improper_list(), L, C};
+from_form({type, _L, maybe_improper_list, [Content, Termination]},
+ S, D, L, C) ->
+ {T1, L1, C1} = from_form(Content, S, D, L - 1, C),
+ {T2, L2, C2} = from_form(Termination, S, D, L1, C1),
+ {t_maybe_improper_list(T1, T2), L2, C2};
+from_form({type, _L, product, Elements}, S, D, L, C) ->
+ {Lst, L1, C1} = list_from_form(Elements, S, D - 1, L, C),
+ {t_product(Lst), L1, C1};
+from_form({type, _L, range, [From, To]} = Type, _S, _D, L, C) ->
case {erl_eval:partial_eval(From), erl_eval:partial_eval(To)} of
{{integer, _, FromVal}, {integer, _, ToVal}} ->
- {t_from_range(FromVal, ToVal), L};
+ {t_from_range(FromVal, ToVal), L, C};
_ -> throw({error, io_lib:format("Unable to evaluate type ~w\n", [Type])})
end;
-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, _S, _MR, _V, _D, L) ->
- {t_string(), 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, _S, _MR, _V, _D, L) ->
- {t_timeout(), 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, 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, 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, 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) ->
+from_form({type, _L, record, [Name|Fields]}, S, D, L, C) ->
+ record_from_form(Name, Fields, S, D, L, C);
+from_form({type, _L, reference, []}, _S, _D, L, C) ->
+ {t_reference(), L, C};
+from_form({type, _L, string, []}, _S, _D, L, C) ->
+ {t_string(), L, C};
+from_form({type, _L, term, []}, _S, _D, L, C) ->
+ {t_any(), L, C};
+from_form({type, _L, timeout, []}, _S, _D, L, C) ->
+ {t_timeout(), L, C};
+from_form({type, _L, tuple, any}, _S, _D, L, C) ->
+ {t_tuple(), L, C};
+from_form({type, _L, tuple, Args}, S, D, L, C) ->
+ {Lst, L1, C1} = list_from_form(Args, S, D - 1, L, C),
+ {t_tuple(Lst), L1, C1};
+from_form({type, _L, union, Args}, S, D, L, C) ->
+ {Lst, L1, C1} = list_from_form(Args, S, D, L, C),
+ {t_sup(Lst), L1, C1};
+from_form({user_type, _L, Name, Args}, S, D, L, C) ->
+ type_from_form(Name, Args, S, D, L, C);
+from_form({type, _L, Name, Args}, S, D, L, C) ->
%% Compatibility: modules compiled before Erlang/OTP 18.0.
- type_from_form(Name, Args, TypeNames, ET, S, MR, V, D, L);
-t_from_form({opaque, _L, Name, {Mod, Args, Rep}}, _TypeNames,
- _ET, _S, _MR, _V, _D, L) ->
+ type_from_form(Name, Args, S, D, L, C);
+from_form({opaque, _L, Name, {Mod, Args, Rep}}, _S, _D, L, C) ->
%% XXX. To be removed.
- {t_opaque(Mod, Name, Args, Rep), L}.
+ {t_opaque(Mod, Name, Args, Rep), L, C}.
-builtin_type(Name, Type, TypeNames, ET, Site, MR, V, D, L) ->
+builtin_type(Name, Type, S, D, L, C) ->
+ #from_form{site = Site, mrecs = MR} = S,
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, Site, MR, V, D, L);
+ type_from_form(Name, [], S, D, L, C);
error ->
- {Type, L}
+ {Type, L, C}
end;
error ->
- {Type, L}
+ {Type, L, C}
end.
-type_from_form(Name, Args, TypeNames, ET, Site0, MR, V, D, L) ->
+type_from_form(Name, Args, S, D, L, C) ->
+ #from_form{site = Site0, mrecs = MR, tnames = TypeNames} = S,
ArgsLen = length(Args),
Module = site_module(Site0),
{ok, R} = dict:find(Module, MR),
@@ -4721,26 +4730,26 @@ type_from_form(Name, Args, TypeNames, ET, Site0, MR, V, D, L) ->
case can_unfold_more(TypeName, TypeNames) of
true ->
NewTypeNames = [TypeName|TypeNames],
- {ArgTypes, L1} =
- list_from_form(Args, TypeNames, ET, Site0, MR, V, D, L),
+ {ArgTypes, L1, C1} = list_from_form(Args, S, D, L, C),
List = lists:zip(ArgNames, ArgTypes),
TmpV = maps:from_list(List),
- Site = TypeName,
- t_from_form(Form, NewTypeNames, ET, Site, MR, TmpV, D, L1);
+ S1 = S#from_form{site = TypeName,
+ tnames = NewTypeNames,
+ vtab = TmpV},
+ from_form(Form, S1, D, L1, C1);
false ->
- {t_any(), L}
+ {t_any(), L, C}
end;
{opaque, {{Module, _FileName, Form, ArgNames}, Type}} ->
case can_unfold_more(TypeName, TypeNames) of
true ->
NewTypeNames = [TypeName|TypeNames],
- {ArgTypes, L1} =
- list_from_form(Args, NewTypeNames, ET, Site0, MR, V, D, L),
+ S1 = S#from_form{tnames = NewTypeNames},
+ {ArgTypes, L1, C1} = list_from_form(Args, S1, D, L, C),
List = lists:zip(ArgNames, ArgTypes),
TmpV = maps:from_list(List),
- Site = TypeName,
- {Rep, L2} =
- t_from_form(Form, NewTypeNames, ET, Site, MR, TmpV, D, L1),
+ S2 = S1#from_form{site = TypeName, vtab = TmpV},
+ {Rep, L2, C2} = from_form(Form, S2, D, L1, C1),
Rep1 = choose_opaque_type(Rep, Type),
Rep2 = case cannot_have_opaque(Rep1, TypeName, TypeNames) of
true -> Rep1;
@@ -4748,25 +4757,26 @@ type_from_form(Name, Args, TypeNames, ET, Site0, MR, V, D, L) ->
ArgTypes2 = subst_all_vars_to_any_list(ArgTypes),
t_opaque(Module, Name, ArgTypes2, Rep1)
end,
- {Rep2, L2};
- false -> {t_any(), L}
+ {Rep2, L2, C2};
+ false -> {t_any(), L, C}
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, S, MR, V, D, L) ->
+remote_from_form(RemMod, Name, Args, S, D, L, C) ->
+ #from_form{xtypes = ET, mrecs = MR, tnames = TypeNames} = S,
if
ET =:= replace_by_none ->
- {t_none(), L};
+ {t_none(), L, C};
true ->
ArgsLen = length(Args),
MFA = {RemMod, Name, ArgsLen},
case dict:find(RemMod, MR) of
error ->
self() ! {self(), ext_types, MFA},
- {t_any(), L};
+ {t_any(), L, C};
{ok, RemDict} ->
RemType = {type, MFA},
case sets:is_element(MFA, ET) of
@@ -4776,28 +4786,25 @@ remote_from_form(RemMod, Name, Args, TypeNames, ET, S, MR, V, D, L) ->
case can_unfold_more(RemType, TypeNames) of
true ->
NewTypeNames = [RemType|TypeNames],
- {ArgTypes, L1} = list_from_form(Args, TypeNames,
- ET, S, MR, V, D, L),
+ S1 = S#from_form{tnames = NewTypeNames},
+ {ArgTypes, L1, C1} = list_from_form(Args, S1, D, L, C),
List = lists:zip(ArgNames, ArgTypes),
- TmpVarDict = maps:from_list(List),
- Site = RemType,
- t_from_form(Form, NewTypeNames, ET,
- Site, MR, TmpVarDict, D, L1);
+ TmpVarTab = maps:from_list(List),
+ S2 = S1#from_form{site = RemType, vtab = TmpVarTab},
+ from_form(Form, S2, D, L1, C1);
false ->
- {t_any(), L}
+ {t_any(), L, C}
end;
{opaque, {{Mod, _FileLine, Form, ArgNames}, Type}} ->
case can_unfold_more(RemType, TypeNames) of
true ->
NewTypeNames = [RemType|TypeNames],
- {ArgTypes, L1} = list_from_form(Args, NewTypeNames,
- ET, S, MR, V, D, L),
+ S1 = S#from_form{tnames = NewTypeNames},
+ {ArgTypes, L1, C1} = list_from_form(Args, S1, D, L, C),
List = lists:zip(ArgNames, ArgTypes),
- TmpVarDict = maps:from_list(List),
- Site = RemType,
- {NewRep, L2} =
- t_from_form(Form, NewTypeNames, ET, Site, MR,
- TmpVarDict, D, L1),
+ TmpVarTab = maps:from_list(List),
+ S2 = S1#from_form{site = RemType, vtab = TmpVarTab},
+ {NewRep, L2, C2} = from_form(Form, S2, D, L1, C1),
NewRep1 = choose_opaque_type(NewRep, Type),
NewRep2 =
case
@@ -4808,9 +4815,9 @@ remote_from_form(RemMod, Name, Args, TypeNames, ET, S, MR, V, D, L) ->
ArgTypes2 = subst_all_vars_to_any_list(ArgTypes),
t_opaque(Mod, Name, ArgTypes2, NewRep1)
end,
- {NewRep2, L2};
+ {NewRep2, L2, C2};
false ->
- {t_any(), L}
+ {t_any(), L, C}
end;
error ->
Msg = io_lib:format("Unable to find remote type ~w:~w()\n",
@@ -4819,7 +4826,7 @@ remote_from_form(RemMod, Name, Args, TypeNames, ET, S, MR, V, D, L) ->
end;
false ->
self() ! {self(), ext_types, {RemMod, Name, ArgsLen}},
- {t_any(), L}
+ {t_any(), L, C}
end
end
end.
@@ -4846,63 +4853,62 @@ choose_opaque_type(Type, DeclType) ->
false -> DeclType
end.
-record_from_form({atom, _, Name}, ModFields, TypeNames, ET, S, MR, V, D, L) ->
+record_from_form({atom, _, Name}, ModFields, S, D, L, C) ->
+ #from_form{site = Site, mrecs = MR, tnames = TypeNames} = S,
case can_unfold_more({record, Name}, TypeNames) of
true ->
- M = site_module(S),
+ M = site_module(Site),
{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, S1, MR, V, D, L),
+ Site1 = {record, {M, Name, length(DeclFields)}},
+ S1 = S#from_form{site = Site1, tnames = NewTypeNames},
+ {GetModRec, L1, C1} =
+ get_mod_record(ModFields, DeclFields, S1, D, L, C),
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, S1, MR,
- var_table__new(), D, L1),
+ S2 = S1#from_form{vtab = var_table__new()},
+ {NewFields1, L2, C2} =
+ fields_from_form(NewFields, S2, D, L1, C1),
Rec = t_tuple(
[t_atom(Name)|[Type
|| {_FieldName, Type} <- NewFields1]]),
- {Rec, L2}
+ {Rec, L2, C2}
end;
error ->
throw({error, io_lib:format("Unknown record #~w{}\n", [Name])})
end;
false ->
- {t_any(), L}
+ {t_any(), L, C}
end.
-get_mod_record([], DeclFields, _TypeNames, _ET, _S, _MR, _V, _D, L) ->
- {{ok, DeclFields}, L};
-get_mod_record(ModFields, DeclFields, TypeNames, ET, S, MR, V, D, L) ->
+get_mod_record([], DeclFields, _S, _D, L, C) ->
+ {{ok, DeclFields}, L, C};
+get_mod_record(ModFields, DeclFields, S, D, L, C) ->
DeclFieldsDict = lists:keysort(1, DeclFields),
- {ModFieldsDict, L1} =
- build_field_dict(ModFields, TypeNames, ET, S, MR, V, D, L),
+ {ModFieldsDict, L1, C1} = build_field_dict(ModFields, S, D, L, C),
case get_mod_record_types(DeclFieldsDict, ModFieldsDict, []) of
- {error, _FieldName} = Error -> {Error, L1};
+ {error, _FieldName} = Error -> {Error, L1, C1};
{ok, FinalKeyDict} ->
Fields = [lists:keyfind(FieldName, 1, FinalKeyDict)
|| {FieldName, _, _} <- DeclFields],
- {{ok, Fields}, L1}
+ {{ok, Fields}, L1, C1}
end.
-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(FieldTypes, S, D, L, C) ->
+ build_field_dict(FieldTypes, S, D, L, C, []).
build_field_dict([{type, _, field_type, [{atom, _, Name}, Type]}|Left],
- TypeNames, ET, S, MR, V, D, L, Acc) ->
- {T, L1} = t_from_form(Type, TypeNames, ET, S, MR, V, D, L - 1),
+ S, D, L, C, Acc) ->
+ {T, L1, C1} = from_form(Type, S, D, L - 1, C),
NewAcc = [{Name, Type, T}|Acc],
- {Dict, L2} =
- build_field_dict(Left, TypeNames, ET, S, MR, V, D, L1, NewAcc),
- {Dict, L2};
-build_field_dict([], _TypeNames, _ET, _S, _MR, _V, _D, L, Acc) ->
- {lists:keysort(1, Acc), L}.
+ build_field_dict(Left, S, D, L1, C1, NewAcc);
+build_field_dict([], _S, _D, L, C, Acc) ->
+ {lists:keysort(1, Acc), L, C}.
get_mod_record_types([{FieldName, _Abstr, _DeclType}|Left1],
[{FieldName, TypeForm, ModType}|Left2],
@@ -4920,20 +4926,19 @@ 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, _S, _MR, _V, _D, L) ->
- {[], L};
-fields_from_form([{Name, Abstr, _Type}|Tail], TypeNames, ET, S, MR,
- V, D, L) ->
- {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, _S, _MR, _V, _D, L) ->
- {[], L};
-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}.
+fields_from_form([], _S, _D, L, C) ->
+ {[], L, C};
+fields_from_form([{Name, Abstr, _Type}|Tail], S, D, L, C) ->
+ {T, L1, C1} = from_form(Abstr, S, D, L, C),
+ {F, L2, C2} = fields_from_form(Tail, S, D, L1, C1),
+ {[{Name, T}|F], L2, C2}.
+
+list_from_form([], _S, _D, L, C) ->
+ {[], L, C};
+list_from_form([H|Tail], S, D, L, C) ->
+ {H1, L1, C1} = from_form(H, S, D, L - 1, C),
+ {T1, L2, C2} = list_from_form(Tail, S, D, L1, C1),
+ {[H1|T1], L2, C2}.
%% Sorts, combines non-singleton pairs, and applies precendence and
%% mandatoriness rules.
@@ -5151,10 +5156,15 @@ t_form_to_string({type, _L, Name, []} = T) ->
M = mod,
D0 = dict:new(),
MR = dict:from_list([{M, D0}]),
- S = {type, {M,Name,0}},
+ Site = {type, {M,Name,0}},
V = #{},
- {T1, _} =
- t_from_form(T, [], sets:new(), S, MR, V, _Deep=1000, _ALot=100000),
+ C = #{},
+ State = #from_form{site = Site,
+ xtypes = sets:new(),
+ mrecs = MR,
+ vtab = V,
+ tnames = []},
+ {T1, _, _} = from_form(T, State, _Deep=1000, _ALot=1000000, C),
t_to_string(T1)
catch throw:{error, _} -> atom_to_string(Name) ++ "()"
end;