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-rw-r--r--lib/dialyzer/src/dialyzer_contracts.erl5
-rw-r--r--lib/dialyzer/src/dialyzer_utils.erl22
-rw-r--r--lib/dialyzer/test/options2_SUITE_data/results/unused_unknown_type2
-rw-r--r--lib/dialyzer/test/options2_SUITE_data/src/unused_unknown_type.erl32
-rw-r--r--lib/hipe/cerl/erl_types.erl64
5 files changed, 93 insertions, 32 deletions
diff --git a/lib/dialyzer/src/dialyzer_contracts.erl b/lib/dialyzer/src/dialyzer_contracts.erl
index b554ebc2cc..e72c1aecfc 100644
--- a/lib/dialyzer/src/dialyzer_contracts.erl
+++ b/lib/dialyzer/src/dialyzer_contracts.erl
@@ -555,6 +555,9 @@ from_form_with_check(Form, ExpTypes, MFA, RecordTable, VarTable, Cache) ->
Site = {spec, MFA},
C1 = erl_types:t_check_record_fields(Form, ExpTypes, Site, RecordTable,
VarTable, Cache),
+ %% The check costs some time, and with the assumption that contracts
+ %% are not very deep, it does not add anything.
+ %% erl_types:t_from_form_check_remote(Form, ExpTypes, MFA, RecordTable),
erl_types:t_from_form(Form, ExpTypes, Site, RecordTable, VarTable, C1).
constraints_to_dict(Constrs, MFA, RecDict, ExpTypes, RecordTable,
@@ -840,7 +843,7 @@ is_remote_types_related(Contract, CSig, Sig, MFA, RecDict) ->
t_from_forms_without_remote([{FType, []}], MFA, RecDict) ->
Site = {spec, MFA},
- {Type1, _} = erl_types:t_from_form_without_remote(FType, Site, RecDict),
+ Type1 = erl_types:t_from_form_without_remote(FType, Site, RecDict),
{ok, erl_types:subst_all_vars_to_any(Type1)};
t_from_forms_without_remote([{_FType, _Constrs}], _MFA, _RecDict) ->
%% 'When' constraints
diff --git a/lib/dialyzer/src/dialyzer_utils.erl b/lib/dialyzer/src/dialyzer_utils.erl
index 511a6d66bf..9b8fbc67eb 100644
--- a/lib/dialyzer/src/dialyzer_utils.erl
+++ b/lib/dialyzer/src/dialyzer_utils.erl
@@ -326,9 +326,12 @@ process_record_remote_types(CServer) ->
{record, Name} ->
FieldFun =
fun({Arity, Fields}, C4) ->
- Site = {record, {Module, Name, Arity}},
+ MRA = {Module, Name, Arity},
+ Site = {record, MRA},
{Fields1, C7} =
lists:mapfoldl(fun({FieldName, Field, _}, C5) ->
+ check_remote(Field, ExpTypes,
+ MRA, RecordTable),
{FieldT, C6} =
erl_types:t_from_form
(Field, ExpTypes, Site,
@@ -342,18 +345,12 @@ process_record_remote_types(CServer) ->
{FieldsList, C3} =
lists:mapfoldl(FieldFun, C2, orddict:to_list(Fields)),
{{Key, {FileLine, orddict:from_list(FieldsList)}}, C3};
- {type, Name, NArgs} ->
+ {_TypeOrOpaque, Name, NArgs} ->
%% Make sure warnings about unknown types are output
%% also for types unused by specs.
- Site = {type, {Module, Name, NArgs}},
- L = erl_anno:new(0),
- Args = lists:duplicate(NArgs, {var, L, '_'}),
- UserType = {user_type, L, Name, Args},
- {_NewType, C3} =
- erl_types:t_from_form(UserType, ExpTypes, Site,
- RecordTable, VarTable, C2),
- {{Key, Value}, C3};
- {opaque, _Name, _NArgs} ->
+ MTA = {Module, Name, NArgs},
+ {{_Module, _FileLine, Form, _ArgNames}, _Type} = Value,
+ check_remote(Form, ExpTypes, MTA, RecordTable),
{{Key, Value}, C2}
end
end,
@@ -454,6 +451,9 @@ msg_with_position(Fun, FileLine) ->
throw({error, NewMsg})
end.
+check_remote(Form, ExpTypes, What, RecordTable) ->
+ erl_types:t_from_form_check_remote(Form, ExpTypes, What, RecordTable).
+
-spec merge_types(codeserver(), dialyzer_plt:plt()) -> codeserver().
merge_types(CServer, Plt) ->
diff --git a/lib/dialyzer/test/options2_SUITE_data/results/unused_unknown_type b/lib/dialyzer/test/options2_SUITE_data/results/unused_unknown_type
index 110d896c76..74d2ac33ad 100644
--- a/lib/dialyzer/test/options2_SUITE_data/results/unused_unknown_type
+++ b/lib/dialyzer/test/options2_SUITE_data/results/unused_unknown_type
@@ -1,2 +1,2 @@
-:0: Unknown type unknown:type1/0:0: Unknown type unknown:type2/0:0: Unknown type unknown:type3/0 \ No newline at end of file
+:0: Unknown type foo:bar/0:0: Unknown type ofoo:obar/0:0: Unknown type owww:y/0:0: Unknown type rfoo:rbar/0:0: Unknown type unknown:type1/0:0: Unknown type unknown:type2/0:0: Unknown type unknown:type3/0:0: Unknown type xxx:y/0:0: Unknown type yyy:x/0:0: Unknown type zzz:arg/1:0: Unknown type zzz:x/0 \ No newline at end of file
diff --git a/lib/dialyzer/test/options2_SUITE_data/src/unused_unknown_type.erl b/lib/dialyzer/test/options2_SUITE_data/src/unused_unknown_type.erl
index 90df7d528a..e6f9d2392c 100644
--- a/lib/dialyzer/test/options2_SUITE_data/src/unused_unknown_type.erl
+++ b/lib/dialyzer/test/options2_SUITE_data/src/unused_unknown_type.erl
@@ -1,10 +1,40 @@
-module(unused_unknown_type).
+-export([t/0]).
+
-export_type([unused/0]).
+-export_type([wide/0, deep/0]).
+-export_type([owide/0, odeep/0]).
+-export_type([arg/0, rargs1/0, rargs2/0]).
+
-type unused() :: unknown:type1().
--record(unused_rec, {a :: unknown:type2()}).
+-record(unused_rec,
+ {a :: unknown:type2(),
+ b :: {{{{{{{{{{{{{{{{{{{{rfoo:rbar()}}}}}}}}}}}}}}}}}}}}}).
-record(rec, {a}).
-type unused_rec() :: #rec{a :: unknown:type3()}.
+
+-type wide() :: {a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,xxx:y()}.
+-type owide() :: {a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,owww:y()}.
+
+%% Deeper than the hardcoded limit in erl_types.erl of 16.
+-type deep() :: {{{{{{{{{{{{{{{{{{{{foo:bar()}}}}}}}}}}}}}}}}}}}}.
+-type odeep() :: {{{{{{{{{{{{{{{{{{{{ofoo:obar()}}}}}}}}}}}}}}}}}}}}.
+
+-type arg1(A) :: [A].
+-type arg() :: arg1({a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,yyy:x()}).
+
+%% No warning about www:x/0 because parameters are currently not
+%% handled if the parameterized type cannot be found.
+-type rargs1() :: zzz:arg({a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,www:x()}).
+
+-type rargs2() :: dict:dict({a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,zzz:x()},
+ any()).
+
+%% No warning. The check is commented out as it takes too long.
+-spec t() -> 'a' | {{{{{{{{{{{{{{{{{{{{sfoo:sbar()}}}}}}}}}}}}}}}}}}}}.
+t() ->
+ a.
diff --git a/lib/hipe/cerl/erl_types.erl b/lib/hipe/cerl/erl_types.erl
index 0883a69918..f4746fc9d0 100644
--- a/lib/hipe/cerl/erl_types.erl
+++ b/lib/hipe/cerl/erl_types.erl
@@ -74,6 +74,7 @@
t_form_to_string/1,
t_from_form/6,
t_from_form_without_remote/3,
+ t_from_form_check_remote/4,
t_check_record_fields/6,
t_from_range/2,
t_from_range_unsafe/2,
@@ -4471,7 +4472,7 @@ t_from_form(Form, ExpTypes, Site, RecDict, VarTab, Cache) ->
%% Replace external types with with none().
-spec t_from_form_without_remote(parse_form(), site(), type_table()) ->
- {erl_type(), cache()}.
+ erl_type().
t_from_form_without_remote(Form, Site, TypeTable) ->
Module = site_module(Site),
@@ -4480,38 +4481,57 @@ t_from_form_without_remote(Form, Site, TypeTable) ->
VarTab = var_table__new(),
Cache0 = cache__new(),
Cache = Cache0#cache{mod_recs = {mrecs, ModRecs}},
- t_from_form1(Form, ExpTypes, Site, undefined, VarTab, Cache).
-
-%% REC_TYPE_LIMIT is used for limiting the depth of recursive types.
-%% EXPAND_LIMIT is used for limiting the size of types by
-%% limiting the number of elements of lists within one type form.
-%% EXPAND_DEPTH is used in conjunction with EXPAND_LIMIT to make the
-%% types balanced (unions will otherwise collapse to any()) by limiting
-%% the depth the same way as t_limit/2 does.
+ {Type, _} = t_from_form1(Form, ExpTypes, Site, undefined, VarTab, Cache),
+ Type.
-type expand_limit() :: integer().
-type expand_depth() :: integer().
--record(from_form, {site :: site(),
+-record(from_form, {site :: site() | {'check', mta()},
xtypes :: sets:set(mfa()) | 'replace_by_none',
mrecs :: 'undefined' | mod_type_table(),
vtab :: var_table(),
tnames :: type_names()}).
+-spec t_from_form_check_remote(parse_form(), sets:set(mfa()), mta(),
+ mod_type_table()) -> 'ok'.
+t_from_form_check_remote(Form, ExpTypes, MTA, RecDict) ->
+ State = #from_form{site = {check, MTA},
+ xtypes = ExpTypes,
+ mrecs = RecDict,
+ vtab = var_table__new(),
+ tnames = []},
+ D = (1 bsl 25), % unlimited
+ L = (1 bsl 25),
+ Cache0 = cache__new(),
+ _ = t_from_form2(Form, State, D, L, Cache0),
+ ok.
+
+%% REC_TYPE_LIMIT is used for limiting the depth of recursive types.
+%% EXPAND_LIMIT is used for limiting the size of types by
+%% limiting the number of elements of lists within one type form.
+%% EXPAND_DEPTH is used in conjunction with EXPAND_LIMIT to make the
+%% types balanced (unions will otherwise collapse to any()) by limiting
+%% the depth the same way as t_limit/2 does.
+
-spec t_from_form1(parse_form(), sets:set(mfa()) | 'replace_by_none',
site(), 'undefined' | mod_type_table(), var_table(),
cache()) -> {erl_type(), cache()}.
t_from_form1(Form, ET, Site, MR, V, C) ->
TypeNames = initial_typenames(Site),
+ D = ?EXPAND_DEPTH,
+ L = ?EXPAND_LIMIT,
State = #from_form{site = Site,
xtypes = ET,
mrecs = MR,
vtab = V,
tnames = TypeNames},
- L = ?EXPAND_LIMIT,
- {T0, L0, C0} = from_form(Form, State, ?EXPAND_DEPTH, L, C),
+ t_from_form2(Form, State, D, L, C).
+
+t_from_form2(Form, State, D, L, C) ->
+ {T0, L0, C0} = from_form(Form, State, D, L, C),
if
L0 =< 0 ->
{T1, _, C1} = from_form(Form, State, 1, L, C0),
@@ -4767,14 +4787,18 @@ type_from_form(Name, Args, S, D, L, C) ->
case can_unfold_more(TypeName, TypeNames) of
true ->
{R, C1} = lookup_module_types(Module, MR, C),
- type_from_form1(Name, Args, ArgsLen, R, TypeName, TypeNames,
+ type_from_form1(Name, Args, ArgsLen, R, TypeName, TypeNames, Site,
S, D, L, C1);
false ->
{t_any(), L, C}
end.
-type_from_form1(Name, Args, ArgsLen, R, TypeName, TypeNames, S, D, L, C) ->
+type_from_form1(Name, Args, ArgsLen, R, TypeName, TypeNames, Site,
+ S, D, L, C) ->
case lookup_type(Name, ArgsLen, R) of
+ {_, {_, _}} when element(1, Site) =:= check ->
+ {_ArgTypes, L1, C1} = list_from_form(Args, S, D, L, C),
+ {t_any(), L1, C1};
{Tag, {{Module, _FileName, Form, ArgNames}, Type}} ->
NewTypeNames = [TypeName|TypeNames],
S1 = S#from_form{tnames = NewTypeNames},
@@ -4813,7 +4837,7 @@ type_from_form1(Name, Args, ArgsLen, R, TypeName, TypeNames, S, D, L, C) ->
end.
remote_from_form(RemMod, Name, Args, S, D, L, C) ->
- #from_form{xtypes = ET, mrecs = MR, tnames = TypeNames} = S,
+ #from_form{site = Site, xtypes = ET, mrecs = MR, tnames = TypeNames} = S,
if
ET =:= replace_by_none ->
{t_none(), L, C};
@@ -4831,7 +4855,7 @@ remote_from_form(RemMod, Name, Args, S, D, L, C) ->
case can_unfold_more(RemType, TypeNames) of
true ->
remote_from_form1(RemMod, Name, Args, ArgsLen, RemDict,
- RemType, TypeNames, S, D, L, C1);
+ RemType, TypeNames, Site, S, D, L, C1);
false ->
{t_any(), L, C1}
end;
@@ -4843,14 +4867,16 @@ remote_from_form(RemMod, Name, Args, S, D, L, C) ->
end.
remote_from_form1(RemMod, Name, Args, ArgsLen, RemDict, RemType, TypeNames,
- S, D, L, C) ->
+ Site, S, D, L, C) ->
case lookup_type(Name, ArgsLen, RemDict) of
+ {_, {_, _}} when element(1, Site) =:= check ->
+ {_ArgTypes, L1, C1} = list_from_form(Args, S, D, L, C),
+ {t_any(), L1, C1};
{Tag, {{Mod, _FileLine, Form, ArgNames}, Type}} ->
NewTypeNames = [RemType|TypeNames],
S1 = S#from_form{tnames = NewTypeNames},
{ArgTypes, L1, C1} = list_from_form(Args, S1, D, L, C),
CKey = cache_key(RemMod, Name, ArgTypes, TypeNames, D),
- %% case error of
case cache_find(CKey, C) of
{CachedType, DeltaL} ->
{CachedType, L - DeltaL, C};
@@ -4914,6 +4940,8 @@ record_from_form({atom, _, Name}, ModFields, S, D0, L0, C) ->
M = site_module(Site),
{R, C1} = lookup_module_types(M, MR, C),
case lookup_record(Name, R) of
+ {ok, _} when element(1, Site) =:= check ->
+ {t_any(), L0, C1};
{ok, DeclFields} ->
NewTypeNames = [RecordType|TypeNames],
Site1 = {record, {M, Name, length(DeclFields)}},
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-11 22:01:30 +0000