aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
Diffstat
-rw-r--r--lib/dialyzer/src/dialyzer_utils.erl9
-rw-r--r--lib/dialyzer/test/small_SUITE_data/results/types_arity2
-rw-r--r--lib/dialyzer/test/small_SUITE_data/src/types_arity.erl20
-rw-r--r--lib/hipe/cerl/erl_types.erl44
4 files changed, 46 insertions, 29 deletions
diff --git a/lib/dialyzer/src/dialyzer_utils.erl b/lib/dialyzer/src/dialyzer_utils.erl
index 8046b48838..dc8e825199 100644
--- a/lib/dialyzer/src/dialyzer_utils.erl
+++ b/lib/dialyzer/src/dialyzer_utils.erl
@@ -219,15 +219,18 @@ get_record_and_type_info([], _Module, Records, RecDict) ->
end.
add_new_type(TypeOrOpaque, Name, TypeForm, ArgForms, Module, RecDict) ->
- case erl_types:type_is_defined(TypeOrOpaque, Name, RecDict) of
+ Arity = length(ArgForms),
+ case erl_types:type_is_defined(TypeOrOpaque, Name, Arity, RecDict) of
true ->
- throw({error, flat_format("Type ~s already defined\n", [Name])});
+ Msg = flat_format("Type ~s/~w already defined\n", [Name, Arity]),
+ throw({error, Msg});
false ->
ArgTypes = [erl_types:t_from_form(X) || X <- ArgForms],
case lists:all(fun erl_types:t_is_var/1, ArgTypes) of
true ->
ArgNames = [erl_types:t_var_name(X) || X <- ArgTypes],
- dict:store({TypeOrOpaque, Name}, {Module, TypeForm, ArgNames}, RecDict);
+ dict:store({TypeOrOpaque, Name, Arity},
+ {Module, TypeForm, ArgNames}, RecDict);
false ->
throw({error, flat_format("Type declaration for ~w does not "
"have variables as parameters", [Name])})
diff --git a/lib/dialyzer/test/small_SUITE_data/results/types_arity b/lib/dialyzer/test/small_SUITE_data/results/types_arity
new file mode 100644
index 0000000000..02641bd167
--- /dev/null
+++ b/lib/dialyzer/test/small_SUITE_data/results/types_arity
@@ -0,0 +1,2 @@
+
+types_arity.erl:16: Invalid type specification for function types_arity:test2/0. The success typing is () -> {'node','a','nil','nil'}
diff --git a/lib/dialyzer/test/small_SUITE_data/src/types_arity.erl b/lib/dialyzer/test/small_SUITE_data/src/types_arity.erl
new file mode 100644
index 0000000000..4ddc986ea8
--- /dev/null
+++ b/lib/dialyzer/test/small_SUITE_data/src/types_arity.erl
@@ -0,0 +1,20 @@
+-module(types_arity).
+
+-export([ test1/0
+ , test2/0
+ , test3/0
+ ]).
+
+-export_type([tree/0, tree/1]).
+
+-type tree(T) :: 'nil' | {'node', T, tree(T), tree(T)}.
+-type tree() :: tree(integer()).
+
+-spec test1() -> tree().
+test1() -> {node, 7, nil, nil}.
+
+-spec test2() -> tree().
+test2() -> {node, a, nil, nil}.
+
+-spec test3() -> tree(atom()).
+test3() -> {node, a, nil, nil}.
diff --git a/lib/hipe/cerl/erl_types.erl b/lib/hipe/cerl/erl_types.erl
index 532b2e43cd..2a350c1c39 100644
--- a/lib/hipe/cerl/erl_types.erl
+++ b/lib/hipe/cerl/erl_types.erl
@@ -205,7 +205,7 @@
t_var/1,
t_var_name/1,
%% t_assign_variables_to_subtype/2,
- type_is_defined/3,
+ type_is_defined/4,
record_field_diffs_to_string/2,
subst_all_vars_to_any/1,
lift_list_to_pos_empty/1,
@@ -544,12 +544,12 @@ t_opaque_from_records(RecDict) ->
OpaqueRecDict =
dict:filter(fun(Key, _Value) ->
case Key of
- {opaque, _Name} -> true;
+ {opaque, _Name, _Arity} -> true;
_ -> false
end
end, RecDict),
OpaqueTypeDict =
- dict:map(fun({opaque, Name}, {Module, Type, ArgNames}) ->
+ dict:map(fun({opaque, Name, _Arity}, {Module, Type, ArgNames}) ->
case ArgNames of
[] ->
t_opaque(Module, Name, [], t_from_form(Type, RecDict));
@@ -707,8 +707,8 @@ t_solve_remote_type(#remote{mod = RemMod, name = Name, args = Args} = RemType,
MFA = {RemMod, Name, ArgsLen},
case sets:is_element(MFA, ET) of
true ->
- case lookup_type(Name, RemDict) of
- {type, {_Mod, Type, ArgNames}} when ArgsLen =:= length(ArgNames) ->
+ case lookup_type(Name, ArgsLen, RemDict) of
+ {type, {_Mod, Type, ArgNames}} ->
{NewType, NewCycle, NewRR} =
case can_unfold_more(RemType, C) of
true ->
@@ -726,7 +726,7 @@ t_solve_remote_type(#remote{mod = RemMod, name = Name, args = Args} = RemType,
false -> RT
end,
{RT1, RetRR};
- {opaque, {Mod, Type, ArgNames}} when ArgsLen =:= length(ArgNames) ->
+ {opaque, {Mod, Type, ArgNames}} ->
List = lists:zip(ArgNames, Args),
TmpVarDict = dict:from_list(List),
{Rep, NewCycle, NewRR} =
@@ -746,12 +746,6 @@ t_solve_remote_type(#remote{mod = RemMod, name = Name, args = Args} = RemType,
{t_from_form({opaque, -1, Name, {Mod, Args, RT1}},
RemDict, TmpVarDict),
RetRR};
- {type, _} ->
- Msg = io_lib:format("Unknown remote type ~w\n", [Name]),
- throw({error, Msg});
- {opaque, _} ->
- Msg = io_lib:format("Unknown remote opaque type ~w\n", [Name]),
- throw({error, Msg});
error ->
Msg = io_lib:format("Unable to find remote type ~w:~w()\n",
[RemMod, Name]),
@@ -3680,8 +3674,9 @@ t_from_form({type, _L, union, Args}, TypeNames, InOpaque, RecDict, VarDict) ->
{L, R} = list_from_form(Args, TypeNames, InOpaque, RecDict, VarDict),
{t_sup(L), R};
t_from_form({type, _L, Name, Args}, TypeNames, InOpaque, RecDict, VarDict) ->
- case lookup_type(Name, RecDict) of
- {type, {_Module, Type, ArgNames}} when length(Args) =:= length(ArgNames) ->
+ ArgsLen = length(Args),
+ case lookup_type(Name, ArgsLen, RecDict) of
+ {type, {_Module, Type, ArgNames}} ->
case can_unfold_more({type, Name}, TypeNames) of
true ->
List = lists:zipwith(
@@ -3701,7 +3696,7 @@ t_from_form({type, _L, Name, Args}, TypeNames, InOpaque, RecDict, VarDict) ->
end;
false -> {t_any(), [{type, Name}]}
end;
- {opaque, {Module, Type, ArgNames}} when length(Args) =:= length(ArgNames) ->
+ {opaque, {Module, Type, ArgNames}} ->
{Rep, Rret} =
case can_unfold_more({opaque, Name}, TypeNames) of
true ->
@@ -3730,12 +3725,9 @@ t_from_form({type, _L, Name, Args}, TypeNames, InOpaque, RecDict, VarDict) ->
RecDict, VarDict)
end,
{Tret, Rret};
- {type, _} ->
- throw({error, io_lib:format("Unknown type ~w\n", [Name])});
- {opaque, _} ->
- throw({error, io_lib:format("Unknown opaque type ~w\n", [Name])});
error ->
- throw({error, io_lib:format("Unable to find type ~w\n", [Name])})
+ 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, _InOpaque,
_RecDict, _VarDict) ->
@@ -3986,20 +3978,20 @@ lookup_record(Tag, Arity, RecDict) when is_atom(Tag) ->
error -> error
end.
-lookup_type(Name, RecDict) ->
- case dict:find({type, Name}, RecDict) of
+lookup_type(Name, Arity, RecDict) ->
+ case dict:find({type, Name, Arity}, RecDict) of
error ->
- case dict:find({opaque, Name}, RecDict) of
+ case dict:find({opaque, Name, Arity}, RecDict) of
error -> error;
{ok, Found} -> {opaque, Found}
end;
{ok, Found} -> {type, Found}
end.
--spec type_is_defined('type' | 'opaque', atom(), dict()) -> boolean().
+-spec type_is_defined('type' | 'opaque', atom(), arity(), dict()) -> boolean().
-type_is_defined(TypeOrOpaque, Name, RecDict) ->
- dict:is_key({TypeOrOpaque, Name}, RecDict).
+type_is_defined(TypeOrOpaque, Name, Arity, RecDict) ->
+ dict:is_key({TypeOrOpaque, Name, Arity}, RecDict).
can_unfold_more(TypeName, TypeNames) ->
Fun = fun(E, Acc) -> case E of TypeName -> Acc + 1; _ -> Acc end end,
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-13 11:14:56 +0000