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-rw-r--r--lib/dialyzer/src/dialyzer_contracts.erl6
-rw-r--r--lib/dialyzer/test/small_SUITE_data/results/contracts_with_subtypes16
-rw-r--r--lib/hipe/cerl/erl_types.erl224
3 files changed, 146 insertions, 100 deletions
diff --git a/lib/dialyzer/src/dialyzer_contracts.erl b/lib/dialyzer/src/dialyzer_contracts.erl
index 3467ab4e65..5b2c52b2d0 100644
--- a/lib/dialyzer/src/dialyzer_contracts.erl
+++ b/lib/dialyzer/src/dialyzer_contracts.erl
@@ -404,7 +404,8 @@ contract_from_form([{type, _, 'fun', [_, _]} = Form | Left], RecDict,
throw({error, NewMsg})
end,
NewType = erl_types:t_solve_remote(Type, ExpTypes, AllRecords),
- {NewType, []}
+ NewTypeNoVars = erl_types:subst_all_vars_to_any(NewType),
+ {NewTypeNoVars, []}
end,
NewTypeAcc = [TypeFun | TypeAcc],
NewFormAcc = [{Form, []} | FormAcc],
@@ -418,7 +419,8 @@ contract_from_form([{type, _L1, bounded_fun,
process_constraints(Constr, RecDict, ExpTypes, AllRecords),
Type = erl_types:t_from_form(Form, RecDict, VarDict),
NewType = erl_types:t_solve_remote(Type, ExpTypes, AllRecords),
- {NewType, Constr1}
+ NewTypeNoVars = erl_types:subst_all_vars_to_any(NewType),
+ {NewTypeNoVars, Constr1}
end,
NewTypeAcc = [TypeFun | TypeAcc],
NewFormAcc = [{Form, Constr} | FormAcc],
diff --git a/lib/dialyzer/test/small_SUITE_data/results/contracts_with_subtypes b/lib/dialyzer/test/small_SUITE_data/results/contracts_with_subtypes
index 173ff3a9f1..bfa33cd296 100644
--- a/lib/dialyzer/test/small_SUITE_data/results/contracts_with_subtypes
+++ b/lib/dialyzer/test/small_SUITE_data/results/contracts_with_subtypes
@@ -8,15 +8,15 @@ contracts_with_subtypes.erl:111: The call contracts_with_subtypes:rec_arg({'b',{
contracts_with_subtypes.erl:142: The pattern 1 can never match the type string()
contracts_with_subtypes.erl:145: The pattern 'alpha' can never match the type {'ok',_} | {'ok',_,string()}
contracts_with_subtypes.erl:147: The pattern 42 can never match the type {'ok',_} | {'ok',_,string()}
-contracts_with_subtypes.erl:163: The pattern 'alpha' can never match the type {'ok',X}
-contracts_with_subtypes.erl:165: The pattern 42 can never match the type {'ok',X}
-contracts_with_subtypes.erl:183: The pattern 'alpha' can never match the type {'ok',X}
-contracts_with_subtypes.erl:185: The pattern 42 can never match the type {'ok',X}
+contracts_with_subtypes.erl:163: The pattern 'alpha' can never match the type {'ok',_}
+contracts_with_subtypes.erl:165: The pattern 42 can never match the type {'ok',_}
+contracts_with_subtypes.erl:183: The pattern 'alpha' can never match the type {'ok',_}
+contracts_with_subtypes.erl:185: The pattern 42 can never match the type {'ok',_}
contracts_with_subtypes.erl:202: The pattern 1 can never match the type string()
-contracts_with_subtypes.erl:205: The pattern {'ok', _} can never match the type {'ok',X,string()}
-contracts_with_subtypes.erl:206: The pattern 'alpha' can never match the type {'ok',X,string()}
-contracts_with_subtypes.erl:207: The pattern {'ok', 42} can never match the type {'ok',X,string()}
-contracts_with_subtypes.erl:208: The pattern 42 can never match the type {'ok',X,string()}
+contracts_with_subtypes.erl:205: The pattern {'ok', _} can never match the type {'ok',_,string()}
+contracts_with_subtypes.erl:206: The pattern 'alpha' can never match the type {'ok',_,string()}
+contracts_with_subtypes.erl:207: The pattern {'ok', 42} can never match the type {'ok',_,string()}
+contracts_with_subtypes.erl:208: The pattern 42 can never match the type {'ok',_,string()}
contracts_with_subtypes.erl:234: Function flat_ets_new_t/0 has no local return
contracts_with_subtypes.erl:235: The call contracts_with_subtypes:flat_ets_new(12,[]) breaks the contract (Name,Options) -> atom() when is_subtype(Name,atom()), is_subtype(Options,[Option]), is_subtype(Option,'set' | 'ordered_set' | 'bag' | 'duplicate_bag' | 'public' | 'protected' | 'private' | 'named_table' | {'keypos',integer()} | {'heir',pid(),term()} | {'heir','none'} | {'write_concurrency',boolean()} | {'read_concurrency',boolean()} | 'compressed')
contracts_with_subtypes.erl:23: Invalid type specification for function contracts_with_subtypes:extract2/0. The success typing is () -> 'something'
diff --git a/lib/hipe/cerl/erl_types.erl b/lib/hipe/cerl/erl_types.erl
index af34e355bb..329a71b099 100644
--- a/lib/hipe/cerl/erl_types.erl
+++ b/lib/hipe/cerl/erl_types.erl
@@ -645,15 +645,16 @@ decorate_with_opaque(Type, ?opaque(Set2), Opaques) ->
end.
decoration([#opaque{struct = S} = Opaque|OpaqueTypes], Type, Opaques,
- NewOpaqueTypes, All) ->
+ NewOpaqueTypes0, All) ->
IsOpaque = is_opaque_type2(Opaque, Opaques),
I = t_inf(Type, S),
- case not IsOpaque orelse t_is_none(I = t_inf(Type, S)) of
- true -> decoration(OpaqueTypes, Type, Opaques, NewOpaqueTypes, All);
+ case not IsOpaque orelse t_is_none(I) of
+ true -> decoration(OpaqueTypes, Type, Opaques, NewOpaqueTypes0, All);
false ->
NewOpaque = Opaque#opaque{struct = decorate(I, S, Opaques)},
NewAll = All orelse t_is_equal(I, Type),
- decoration(OpaqueTypes, Type, Opaques, [NewOpaque|NewOpaqueTypes], NewAll)
+ NewOpaqueTypes = [NewOpaque|NewOpaqueTypes0],
+ decoration(OpaqueTypes, Type, Opaques, NewOpaqueTypes, NewAll)
end;
decoration([], _Type, _Opaques, NewOpaqueTypes, All) ->
{NewOpaqueTypes, All}.
@@ -733,13 +734,14 @@ t_opaque_from_records(RecDict) ->
end
end, RecDict),
OpaqueTypeDict =
- dict:map(fun({opaque, Name, _Arity}, {Module, Type, ArgNames}) ->
- case ArgNames of
- [] ->
- t_opaque(Module, Name, [], t_from_form(Type, RecDict));
- _ ->
- throw({error,"Polymorphic opaque types not supported yet"})
- end
+ dict:map(fun({opaque, Name, _Arity}, {Module, _Type, ArgNames}) ->
+ %% Args = args_to_types(ArgNames),
+ %% List = lists:zip(ArgNames, Args),
+ %% TmpVarDict = dict:from_list(List),
+ %% Rep = t_from_form(Type, RecDict, TmpVarDict),
+ Rep = t_none(), % not used for anything right now
+ Args = [t_any() || _ <- ArgNames],
+ skip_opaque_alias(Rep, Module, Name, Args)
end, OpaqueRecDict),
[OpaqueType || {_Key, OpaqueType} <- dict:to_list(OpaqueTypeDict)].
@@ -833,8 +835,12 @@ t_solve_remote(?union(List), ET, R, C) ->
{t_sup(RL), RR};
t_solve_remote(T, _ET, _R, _C) -> {T, []}.
-t_solve_remote_type(#remote{mod = RemMod, name = Name, args = Args} = RemType,
+t_solve_remote_type(#remote{mod = RemMod, name = Name, args = Args0} = RemType,
ET, R, C) ->
+ Args = lists:map(fun(A) ->
+ {Arg, _} = t_solve_remote(A, ET, R, C),
+ Arg
+ end, Args0),
ArgsLen = length(Args),
case dict:find(RemMod, R) of
error ->
@@ -880,9 +886,7 @@ t_solve_remote_type(#remote{mod = RemMod, name = Name, args = Args} = RemType,
true -> t_limit(NewRep, ?REC_TYPE_LIMIT);
false -> NewRep
end,
- {t_from_form({opaque, -1, Name, {Mod, Args, RT1}},
- RemDict, TmpVarDict),
- RetRR};
+ {skip_opaque_alias(RT1, Mod, Name, Args), RetRR};
error ->
Msg = io_lib:format("Unable to find remote type ~w:~w()\n",
[RemMod, Name]),
@@ -1962,16 +1966,20 @@ t_array() ->
t_tuple([t_atom('array'),
t_sup([t_atom('undefined'), t_non_neg_integer()]),
t_sup([t_atom('undefined'), t_non_neg_integer()]),
- t_any(), t_any()])).
+ t_any(),
+ t_any()])).
-spec t_dict() -> erl_type().
t_dict() ->
t_opaque(dict, dict, [],
t_tuple([t_atom('dict'),
- t_non_neg_integer(), t_non_neg_integer(),
- t_non_neg_integer(), t_non_neg_integer(),
- t_non_neg_integer(), t_non_neg_integer(),
+ t_sup([t_atom('undefined'), t_non_neg_integer()]),
+ t_sup([t_atom('undefined'), t_non_neg_integer()]),
+ t_sup([t_atom('undefined'), t_non_neg_integer()]),
+ t_sup([t_atom('undefined'), t_non_neg_integer()]),
+ t_sup([t_atom('undefined'), t_non_neg_integer()]),
+ t_sup([t_atom('undefined'), t_non_neg_integer()]),
t_sup([t_atom('undefined'), t_tuple()]),
t_sup([t_atom('undefined'), t_tuple()])])).
@@ -2082,11 +2090,11 @@ t_has_var(?tuple(Elements, _, _)) ->
t_has_var_list(Elements);
t_has_var(?tuple_set(_) = T) ->
t_has_var_list(t_tuple_subtypes(T));
-%% t_has_var(?opaque(_)=T) ->
-%% %% "Polymorphic opaque types not supported yet"
-%% t_has_var(t_opaque_structure(T));
-%% t_has_var(?union(_) = U) ->
-%% exit(flat_format("Union happens in t_has_var/1 ~p\n",[U]));
+t_has_var(?opaque(Set)) ->
+ %% Assume variables in 'args' are also present i 'struct'
+ t_has_var_list([O#opaque.struct || O <- set_to_list(Set)]);
+t_has_var(?union(List)) ->
+ t_has_var_list(List);
t_has_var(_) -> false.
-spec t_has_var_list([erl_type()]) -> boolean().
@@ -2117,9 +2125,10 @@ t_collect_vars(?tuple(Types, _, _), Acc) ->
t_collect_vars(?tuple_set(_) = TS, Acc) ->
lists:foldl(fun(T, TmpAcc) -> t_collect_vars(T, TmpAcc) end, Acc,
t_tuple_subtypes(TS));
-%% t_collect_vars(?opaque(_)=T, Acc) ->
-%% %% "Polymorphic opaque types not supported yet"
-%% t_collect_vars(t_opaque_structure(T), Acc);
+t_collect_vars(?opaque(Set), Acc) ->
+ %% Assume variables in 'args' are also present i 'struct'
+ lists:foldl(fun(T, TmpAcc) -> t_collect_vars(T, TmpAcc) end, Acc,
+ [O#opaque.struct || O <- set_to_list(Set)]);
t_collect_vars(_, Acc) ->
Acc.
@@ -2442,8 +2451,8 @@ sup_opaque(List) ->
?opaque(ordsets:from_list(L)).
sup_opaq(L0) ->
- L1 = [{{Mod,Name}, T} ||
- #opaque{mod = Mod, name = Name}=T <- L0],
+ L1 = [{{Mod,Name,Args}, T} ||
+ #opaque{mod = Mod, name = Name, args = Args}=T <- L0],
F = family(L1),
[supl(Ts) || {_, Ts} <- F].
@@ -2809,31 +2818,35 @@ inf_collect(_T1, [], _Opaques, OpL) ->
OpL.
combine(S, T1, T2) ->
- #opaque{mod = Mod1, name = Name1} = T1,
- #opaque{mod = Mod2, name = Name2} = T2,
- case {Mod1, Name1} =:= {Mod2, Name2} of
- true -> [comb(Mod1, Name1, S, T1)];
- false -> [comb(Mod1, Name1, S, T1), comb(Mod2, Name2, S, T2)]
+ #opaque{mod = Mod1, name = Name1, args = Args1} = T1,
+ #opaque{mod = Mod2, name = Name2, args = Args2} = T2,
+ case is_same_type_name({Mod1, Name1, Args1}, {Mod2, Name2, Args2}) of
+ true -> [comb(Mod1, Name1, Args1, S, T1)];
+ false -> [comb(Mod1, Name1, Args1, S, T1), comb(Mod2, Name2, Args2, S, T2)]
end.
-comb(Mod, Name, S, T) ->
- case is_same_name(Mod, Name, S) of
+comb(Mod, Name, Args, S, T) ->
+ case is_same_name(Mod, Name, Args, S) of
true -> S;
false -> T#opaque{struct = S}
end.
-is_same_name(Mod, Name, ?opaque([#opaque{mod = Mod, name = Name}])) -> true;
-is_same_name(_Mod, _Name, _Opaque) -> false.
+is_same_name(Mod, Name, Args,
+ ?opaque([#opaque{mod = Mod, name = Name, args = Args}])) ->
+ true;
+is_same_name(_, _, _, _) -> false.
%% Combining two lists this way can be very time consuming...
+%% Note: two parameterized opaque types are not the same if their
+%% actual parameters differ
inf_opaque(Set1, Set2, Opaques) ->
List1 = inf_look_up(Set1, 1, Opaques),
List2 = inf_look_up(Set2, 2, Opaques),
List0 = [combine(Inf, T1, T2) ||
- {Is1, ModName1, T1} <- List1,
- {Is2, ModName2, T2} <- List2,
- not t_is_none(Inf = inf_opaque_types(Is1, ModName1, T1,
- Is2, ModName2, T2,
+ {Is1, ModNameArgs1, T1} <- List1,
+ {Is2, ModNameArgs2, T2} <- List2,
+ not t_is_none(Inf = inf_opaque_types(Is1, ModNameArgs1, T1,
+ Is2, ModNameArgs2, T2,
Opaques))],
List = lists:sort(lists:append(List0)),
sup_opaque(List).
@@ -2841,18 +2854,22 @@ inf_opaque(Set1, Set2, Opaques) ->
%% Optimization: do just one lookup.
inf_look_up(Set, Pos, Opaques) ->
[{Opaques =:= 'universe' orelse inf_is_opaque_type2(T, Pos, Opaques),
- {M, N}, T} ||
- #opaque{mod = M, name = N} = T <- set_to_list(Set)].
+ {M, N, Args}, T} ||
+ #opaque{mod = M, name = N, args = Args} = T <- set_to_list(Set)].
inf_is_opaque_type2(T, Pos, {match, Opaques}) ->
is_opaque_type2(T, Opaques) orelse throw(Pos);
inf_is_opaque_type2(T, _Pos, Opaques) ->
is_opaque_type2(T, Opaques).
-inf_opaque_types(IsOpaque1, ModName1, T1, IsOpaque2, ModName2, T2, Opaques) ->
+inf_opaque_types(IsOpaque1, ModNameArgs1, T1,
+ IsOpaque2, ModNameArgs2, T2, Opaques) ->
#opaque{struct = S1}=T1,
#opaque{struct = S2}=T2,
- case Opaques =:= 'universe' orelse ModName1 =:= ModName2 of
+ case
+ Opaques =:= 'universe' orelse
+ is_same_type_name(ModNameArgs1, ModNameArgs2)
+ of
true -> t_inf(S1, S2, Opaques);
false ->
case {IsOpaque1, IsOpaque2} of
@@ -3060,11 +3077,13 @@ t_subst_dict(?tuple(Elements, _Arity, _Tag), Dict) ->
t_tuple([t_subst_dict(E, Dict) || E <- Elements]);
t_subst_dict(?tuple_set(_) = TS, Dict) ->
t_sup([t_subst_dict(T, Dict) || T <- t_tuple_subtypes(TS)]);
-%% t_subst_dict(?opaque(Es), Dict) ->
-%% %% "Polymorphic opaque types not supported yet"
-%% List = [Opaque#opaque{struct = t_subst_dict(S, Dict)} ||
-%% Opaque = #opaque{struct = S} <- set_to_list(Es)],
-%% ?opaque(ordsets:from_list(List));
+t_subst_dict(?opaque(Es), Dict) ->
+ List = [Opaque#opaque{args = [t_subst_dict(Arg, Dict) || Arg <- Args],
+ struct = t_subst_dict(S, Dict)} ||
+ Opaque = #opaque{args = Args, struct = S} <- set_to_list(Es)],
+ ?opaque(ordsets:from_list(List));
+t_subst_dict(?union(List), Dict) ->
+ ?union([t_subst_dict(E, Dict) || E <- List]);
t_subst_dict(T, _Dict) ->
T.
@@ -3107,11 +3126,13 @@ t_subst_aux(?tuple(Elements, _Arity, _Tag), VarMap) ->
t_tuple([t_subst_aux(E, VarMap) || E <- Elements]);
t_subst_aux(?tuple_set(_) = TS, VarMap) ->
t_sup([t_subst_aux(T, VarMap) || T <- t_tuple_subtypes(TS)]);
-%% t_subst_aux(?opaque(Es), VarMap) ->
-%% %% "Polymorphic opaque types not supported yet"
-%% List = [Opaque#opaque{struct = t_subst_aux(S, VarMap)} ||
-%% Opaque = #opaque{struct = S} <- set_to_list(Es)],
-%% ?opaque(ordsets:from_list(List));
+t_subst_aux(?opaque(Es), VarMap) ->
+ List = [Opaque#opaque{args = [t_subst_aux(Arg, VarMap) || Arg <- Args],
+ struct = t_subst_aux(S, VarMap)} ||
+ Opaque = #opaque{args = Args, struct = S} <- set_to_list(Es)],
+ ?opaque(ordsets:from_list(List));
+t_subst_aux(?union(List), VarMap) ->
+ ?union([t_subst_aux(E, VarMap) || E <- List]);
t_subst_aux(T, _VarMap) ->
T.
@@ -3232,15 +3253,20 @@ unify_union(List) ->
is_opaque_type(?opaque(Elements), Opaques) ->
lists:any(fun(Opaque) -> is_opaque_type2(Opaque, Opaques) end, Elements).
-is_opaque_type2(#opaque{mod = Mod1, name = Name1}, Opaques) ->
+is_opaque_type2(#opaque{mod = Mod1, name = Name1, args = Args1}, Opaques) ->
F1 = fun(?opaque(Es)) ->
- F2 = fun(#opaque{mod = Mod, name = Name}) ->
- Mod1 =:= Mod andalso Name1 =:= Name
+ F2 = fun(#opaque{mod = Mod, name = Name, args = Args}) ->
+ is_type_name(Mod1, Name1, Args1, Mod, Name, Args)
end,
lists:any(F2, Es)
end,
lists:any(F1, Opaques).
+is_type_name(Mod, Name, Args1, Mod, Name, Args2) ->
+ length(Args1) =:= length(Args2);
+is_type_name(Mod1, Name1, Args1, Mod2, Name2, Args2) ->
+ is_same_type_name2(Mod1, Name1, Args1, Mod2, Name2, Args2).
+
%% Two functions since t_unify is not symmetric.
unify_tuple_set_and_tuple1(?tuple_set([{Arity, List}]),
?tuple(Elements2, Arity, _), VarMap) ->
@@ -3885,8 +3911,8 @@ t_to_string(?identifier(Set), _RecDict) ->
string:join([flat_format("~w()", [T]) || T <- set_to_list(Set)], " | ")
end;
t_to_string(?opaque(Set), RecDict) ->
- string:join([opaque_type(Mod, Name, S, RecDict) ||
- #opaque{mod = Mod, name = Name, struct = S}
+ string:join([opaque_type(Mod, Name, Args, S, RecDict) ||
+ #opaque{mod = Mod, name = Name, struct = S, args = Args}
<- set_to_list(Set)],
" | ");
t_to_string(?matchstate(Pres, Slots), RecDict) ->
@@ -4059,11 +4085,14 @@ union_sequence(Types, RecDict) ->
string:join(List, " | ").
-ifdef(DEBUG).
-opaque_type(Mod, Name, S, RecDict) ->
- opaque_name(Mod, Name, t_to_string(S, RecDict)).
+opaque_type(Mod, Name, _Args, S, RecDict) ->
+ ArgsString = "[ARGS:" ++ comma_sequence(_Args, RecDict) ++ "]",
+ String = t_to_string(S, RecDict),
+ opaque_name(Mod, Name, ArgsString ++ String).
-else.
-opaque_type(Mod, Name, _S, _RecDict) ->
- opaque_name(Mod, Name, "").
+opaque_type(Mod, Name, Args, _S, RecDict) ->
+ ArgsString = comma_sequence(Args, RecDict),
+ opaque_name(Mod, Name, ArgsString).
-endif.
opaque_name(Mod, Name, Extra) ->
@@ -4288,18 +4317,19 @@ t_from_form({type, _L, union, Args}, TypeNames, RecDict, VarDict) ->
{L, R} = list_from_form(Args, TypeNames, RecDict, VarDict),
{t_sup(L), R};
t_from_form({type, _L, Name, Args}, TypeNames, RecDict, VarDict) ->
+ type_from_form(Name, Args, TypeNames, RecDict, VarDict);
+t_from_form({opaque, _L, Name, {Mod, Args, Rep}}, _TypeNames,
+ _RecDict, _VarDict) ->
+ {t_opaque(Mod, Name, Args, Rep), []}.
+
+type_from_form(Name, Args, TypeNames, RecDict, VarDict) ->
ArgsLen = length(Args),
+ ArgTypes = forms_to_types(Args, TypeNames, RecDict, VarDict),
case lookup_type(Name, ArgsLen, RecDict) of
{type, {_Module, Type, ArgNames}} ->
case can_unfold_more({type, Name}, TypeNames) of
true ->
- List = lists:zipwith(
- fun(ArgName, ArgType) ->
- {Ttemp, _R} = t_from_form(ArgType, TypeNames,
- RecDict, VarDict),
- {ArgName, Ttemp}
- end,
- ArgNames, Args),
+ List = lists:zip(ArgNames, ArgTypes),
TmpVarDict = dict:from_list(List),
{T, R} = t_from_form(Type, [{type, Name}|TypeNames],
RecDict, TmpVarDict),
@@ -4313,13 +4343,7 @@ t_from_form({type, _L, Name, Args}, TypeNames, RecDict, VarDict) ->
{Rep, Rret} =
case can_unfold_more({opaque, Name}, TypeNames) of
true ->
- List = lists:zipwith(
- fun(ArgName, ArgType) ->
- {Ttemp, _R} = t_from_form(ArgType, TypeNames,
- RecDict, VarDict),
- {ArgName, Ttemp}
- end,
- ArgNames, Args),
+ List = lists:zip(ArgNames, ArgTypes),
TmpVarDict = dict:from_list(List),
{T, R} = t_from_form(Type, [{opaque, Name}|TypeNames],
RecDict, TmpVarDict),
@@ -4329,20 +4353,21 @@ t_from_form({type, _L, Name, Args}, TypeNames, RecDict, VarDict) ->
end;
false -> {t_any(), [{opaque, Name}]}
end,
- Tret = t_from_form({opaque, -1, Name, {Module, Args, Rep}},
- RecDict, VarDict),
- {Tret, Rret};
+ Args2 = [subst_all_vars_to_any(ArgType) || ArgType <- ArgTypes],
+ {skip_opaque_alias(Rep, Module, Name, Args2), Rret};
error ->
Msg = io_lib:format("Unable to find type ~w/~w\n", [Name, ArgsLen]),
throw({error, Msg})
- end;
-t_from_form({opaque, _L, Name, {Mod, Args, Rep}}, _TypeNames,
- _RecDict, _VarDict) ->
- case Args of
- [] -> {t_opaque(Mod, Name, Args, Rep), []};
- _ -> throw({error, "Polymorphic opaque types not supported yet"})
end.
+forms_to_types(Forms, TypeNames, RecDict, VarDict) ->
+ {Types, _} = list_from_form(Forms, TypeNames, RecDict, VarDict),
+ Types.
+
+skip_opaque_alias(?opaque(_) = T, _Mod, _Name, _Args) -> T;
+skip_opaque_alias(T, Module, Name, Args) ->
+ t_opaque(Module, Name, Args, T).
+
record_from_form({atom, _, Name}, ModFields, TypeNames, RecDict, VarDict) ->
case can_unfold_more({record, Name}, TypeNames) of
true ->
@@ -4403,8 +4428,10 @@ build_field_dict([], _TypeNames, _RecDict, _VarDict, Acc) ->
get_mod_record([{FieldName, DeclType}|Left1],
[{FieldName, ModType}|Left2], Acc) ->
- case t_is_var(ModType) orelse t_is_remote(ModType) orelse
- t_is_subtype(ModType, DeclType) of
+ ModTypeNoVars = subst_all_vars_to_any(ModType),
+ case
+ t_is_remote(ModTypeNoVars) orelse t_is_subtype(ModTypeNoVars, DeclType)
+ of
false -> {error, FieldName};
true -> get_mod_record(Left1, Left2, [{FieldName, ModType}|Acc])
end;
@@ -4627,6 +4654,23 @@ do_opaque(?union(List) = Type, Opaques, Pred) ->
do_opaque(Type, _Opaques, Pred) ->
Pred(Type).
+is_same_type_name({Mod, Name, Args}, {Mod, Name, Args}) -> true;
+is_same_type_name({Mod1, Name1, Args1}, {Mod2, Name2, Args2}) ->
+ is_same_type_name2(Mod1, Name1, Args1, Mod2, Name2, Args2).
+
+%% Compatibility. In Erlang/OTP 17 the pre-defined opaque types
+%% digraph() and so on can be used, but there are also new types such
+%% as digraph:graph() with the exact same meaning. In Erlang/OTP R18.0
+%% all but the last clause can be removed.
+
+is_same_type_name2(digraph, digraph, [], digraph, graph, []) -> true;
+is_same_type_name2(digraph, graph, [], digraph, digraph, []) -> true;
+is_same_type_name2(gb_sets, gb_set, [], gb_sets, set, [?any]) -> true;
+is_same_type_name2(gb_sets, set, [?any], gb_sets, gb_set, []) -> true;
+is_same_type_name2(gb_trees, gb_tree, [], gb_trees, tree, [?any, ?any]) -> true;
+is_same_type_name2(gb_trees, tree, [?any, ?any], gb_trees, gb_tree, []) -> true;
+is_same_type_name2(_, _, _, _, _, _) -> false.
+
%% -----------------------------------
%% Set
%%
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-19 00:20:18 +0000