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-rw-r--r--lib/dialyzer/src/dialyzer.appup.src11
-rw-r--r--lib/dialyzer/src/dialyzer_analysis_callgraph.erl17
-rw-r--r--lib/dialyzer/src/dialyzer_behaviours.erl8
-rw-r--r--lib/dialyzer/src/dialyzer_callgraph.erl35
-rw-r--r--lib/dialyzer/src/dialyzer_cl.erl2
-rw-r--r--lib/dialyzer/src/dialyzer_codeserver.erl41
-rw-r--r--lib/dialyzer/src/dialyzer_contracts.erl28
-rw-r--r--lib/dialyzer/src/dialyzer_dataflow.erl49
-rw-r--r--lib/dialyzer/src/dialyzer_dep.erl35
-rw-r--r--lib/dialyzer/src/dialyzer_plt.erl36
-rw-r--r--lib/dialyzer/src/dialyzer_races.erl15
-rw-r--r--lib/dialyzer/src/dialyzer_succ_typings.erl4
-rw-r--r--lib/dialyzer/src/dialyzer_typesig.erl21
-rw-r--r--lib/dialyzer/src/dialyzer_utils.erl20
14 files changed, 191 insertions, 131 deletions
diff --git a/lib/dialyzer/src/dialyzer.appup.src b/lib/dialyzer/src/dialyzer.appup.src
index 26d14ee8f4..1e293e407a 100644
--- a/lib/dialyzer/src/dialyzer.appup.src
+++ b/lib/dialyzer/src/dialyzer.appup.src
@@ -1,7 +1,7 @@
-%%
+%% -*- erlang -*-
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2006-2009. All Rights Reserved.
+%% Copyright Ericsson AB 2006-2014. All Rights Reserved.
%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
@@ -15,6 +15,7 @@
%% under the License.
%%
%% %CopyrightEnd%
-%%
-
-{"%VSN%",[],[]}.
+{"%VSN%",
+ [{<<".*">>,[{restart_application, dialyzer}]}],
+ [{<<".*">>,[{restart_application, dialyzer}]}]
+}.
diff --git a/lib/dialyzer/src/dialyzer_analysis_callgraph.erl b/lib/dialyzer/src/dialyzer_analysis_callgraph.erl
index 0fbaf1d47c..2a633c5e37 100644
--- a/lib/dialyzer/src/dialyzer_analysis_callgraph.erl
+++ b/lib/dialyzer/src/dialyzer_analysis_callgraph.erl
@@ -2,7 +2,7 @@
%%--------------------------------------------------------------------
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2006-2013. All Rights Reserved.
+%% Copyright Ericsson AB 2006-2014. All Rights Reserved.
%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
@@ -39,6 +39,8 @@
one_file_result/0,
compile_result/0]).
+-export_type([no_warn_unused/0]).
+
-include("dialyzer.hrl").
-record(analysis_state,
@@ -48,7 +50,7 @@
defines = [] :: [dial_define()],
doc_plt :: dialyzer_plt:plt(),
include_dirs = [] :: [file:filename()],
- no_warn_unused :: set(),
+ no_warn_unused :: no_warn_unused(),
parent :: pid(),
plt :: dialyzer_plt:plt(),
start_from = byte_code :: start_from(),
@@ -59,6 +61,8 @@
-record(server_state, {parent :: pid(), legal_warnings :: [dial_warn_tag()]}).
+-type no_warn_unused() :: sets:set(mfa()).
+
%%--------------------------------------------------------------------
%% Main
%%--------------------------------------------------------------------
@@ -168,7 +172,7 @@ analysis_start(Parent, Analysis) ->
throw:{error, _ErrorMsg} = Error -> exit(Error)
end,
NewPlt0 = dialyzer_plt:insert_types(Plt, dialyzer_codeserver:get_records(NewCServer)),
- ExpTypes = dialyzer_codeserver:get_exported_types(NewCServer),
+ ExpTypes = dialyzer_codeserver:get_exported_types(NewCServer),
NewPlt1 = dialyzer_plt:insert_exported_types(NewPlt0, ExpTypes),
State0 = State#analysis_state{plt = NewPlt1},
dump_callgraph(Callgraph, State0, Analysis),
@@ -423,11 +427,8 @@ abs_get_nowarn(Abs, M) ->
false ->
[{M, F, A} || {function, _, F, A, _} <- Abs]; % all functions
true ->
- OnLoad =
- lists:flatten([{M, F, A} || {attribute, _, on_load, {F, A}} <- Abs]),
- OnLoad ++ [{M, F, A} ||
- {nowarn_unused_function, FAs} <- Opts,
- {F, A} <- lists:flatten([FAs])]
+ [{M, F, A} || {nowarn_unused_function, FAs} <- Opts,
+ {F, A} <- lists:flatten([FAs])]
end.
get_exported_types_from_core(Core) ->
diff --git a/lib/dialyzer/src/dialyzer_behaviours.erl b/lib/dialyzer/src/dialyzer_behaviours.erl
index 2b9a69ce77..1d458b49fc 100644
--- a/lib/dialyzer/src/dialyzer_behaviours.erl
+++ b/lib/dialyzer/src/dialyzer_behaviours.erl
@@ -2,7 +2,7 @@
%%-----------------------------------------------------------------------
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2010-2013. All Rights Reserved.
+%% Copyright Ericsson AB 2010-2014. All Rights Reserved.
%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
@@ -40,15 +40,17 @@
-type behaviour() :: atom().
+-type rectab() :: erl_types:type_table().
+
-record(state, {plt :: dialyzer_plt:plt(),
codeserver :: dialyzer_codeserver:codeserver(),
filename :: file:filename(),
behlines :: [{behaviour(), non_neg_integer()}],
- records :: dict()}).
+ records :: rectab()}).
%%--------------------------------------------------------------------
--spec check_callbacks(module(), [{cerl:cerl(), cerl:cerl()}], dict(),
+-spec check_callbacks(module(), [{cerl:cerl(), cerl:cerl()}], rectab(),
dialyzer_plt:plt(),
dialyzer_codeserver:codeserver()) -> [dial_warning()].
diff --git a/lib/dialyzer/src/dialyzer_callgraph.erl b/lib/dialyzer/src/dialyzer_callgraph.erl
index bc32110751..00b01fbd36 100644
--- a/lib/dialyzer/src/dialyzer_callgraph.erl
+++ b/lib/dialyzer/src/dialyzer_callgraph.erl
@@ -2,7 +2,7 @@
%%-----------------------------------------------------------------------
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2006-2013. All Rights Reserved.
+%% Copyright Ericsson AB 2006-2014. All Rights Reserved.
%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
@@ -64,14 +64,16 @@
put_named_tables/2, put_public_tables/2, put_behaviour_api_calls/2,
get_behaviour_api_calls/1, dispose_race_server/1, duplicate/1]).
--export_type([callgraph/0, mfa_or_funlbl/0, callgraph_edge/0]).
+-export_type([callgraph/0, mfa_or_funlbl/0, callgraph_edge/0, mod_deps/0]).
-include("dialyzer.hrl").
%%----------------------------------------------------------------------
-type scc() :: [mfa_or_funlbl()].
--type mfa_calls() :: [{mfa_or_funlbl(), mfa_or_funlbl()}].
+-type mfa_call() :: {mfa_or_funlbl(), mfa_or_funlbl()}.
+-type mfa_calls() :: [mfa_call()].
+-type mod_deps() :: dict:dict(module(), [module()]).
%%-----------------------------------------------------------------------------
%% A callgraph is a directed graph where the nodes are functions and a
@@ -93,7 +95,7 @@
%% whenever applicable.
%%-----------------------------------------------------------------------------
--record(callgraph, {digraph = digraph:new() :: digraph(),
+-record(callgraph, {digraph = digraph:new() :: digraph:graph(),
active_digraph :: active_digraph(),
esc :: ets:tid(),
letrec_map :: ets:tid(),
@@ -105,7 +107,7 @@
race_detection = false :: boolean(),
race_data_server = new_race_data_server() :: pid()}).
--record(race_data_state, {race_code = dict:new() :: dict(),
+-record(race_data_state, {race_code = dict:new() :: dict:dict(),
public_tables = [] :: [label()],
named_tables = [] :: [string()],
beh_api_calls = [] :: [{mfa(), mfa()}]}).
@@ -114,7 +116,7 @@
-type callgraph() :: #callgraph{}.
--type active_digraph() :: {'d', digraph()} | {'e', ets:tid(), ets:tid()}.
+-type active_digraph() :: {'d', digraph:graph()} | {'e', ets:tid(), ets:tid()}.
%%----------------------------------------------------------------------
@@ -222,7 +224,10 @@ non_local_calls(#callgraph{digraph = DG}) ->
Edges = digraph_edges(DG),
find_non_local_calls(Edges, sets:new()).
--spec find_non_local_calls([{mfa_or_funlbl(), mfa_or_funlbl()}], set()) -> mfa_calls().
+-type call_tab() :: sets:set(mfa_call()).
+
+-spec find_non_local_calls([{mfa_or_funlbl(), mfa_or_funlbl()}], call_tab()) ->
+ mfa_calls().
find_non_local_calls([{{M,_,_}, {M,_,_}}|Left], Set) ->
find_non_local_calls(Left, Set);
@@ -267,7 +272,7 @@ get_required_by(SCC, #callgraph{active_digraph = {'d', DG}}) ->
modules(#callgraph{digraph = DG}) ->
ordsets:from_list([M || {M,_F,_A} <- digraph_vertices(DG)]).
--spec module_postorder(callgraph()) -> {[module()], {'d', digraph()}}.
+-spec module_postorder(callgraph()) -> {[module()], {'d', digraph:graph()}}.
module_postorder(#callgraph{digraph = DG}) ->
Edges = lists:foldl(fun edge_fold/2, sets:new(), digraph_edges(DG)),
@@ -287,7 +292,7 @@ edge_fold(_, Set) -> Set.
%% The module deps of a module are modules that depend on the module
--spec module_deps(callgraph()) -> dict().
+-spec module_deps(callgraph()) -> mod_deps().
module_deps(#callgraph{digraph = DG}) ->
Edges = lists:foldl(fun edge_fold/2, sets:new(), digraph_edges(DG)),
@@ -301,7 +306,7 @@ module_deps(#callgraph{digraph = DG}) ->
digraph_delete(MDG),
dict:from_list(Deps).
--spec strip_module_deps(dict(), set()) -> dict().
+-spec strip_module_deps(mod_deps(), sets:set(module())) -> mod_deps().
strip_module_deps(ModDeps, StripSet) ->
FilterFun1 = fun(Val) -> not sets:is_element(Val, StripSet) end,
@@ -575,7 +580,7 @@ digraph_reaching_subgraph(Funs, DG) ->
%% Races
%%----------------------------------------------------------------------
--spec renew_race_info(callgraph(), dict(), [label()], [string()]) ->
+-spec renew_race_info(callgraph(), dict:dict(), [label()], [string()]) ->
callgraph().
renew_race_info(#callgraph{race_data_server = RaceDataServer} = CG,
@@ -641,7 +646,7 @@ duplicate(#callgraph{race_data_server = RaceDataServer} = Callgraph) ->
dispose_race_server(#callgraph{race_data_server = RaceDataServer}) ->
race_data_server_cast(stop, RaceDataServer).
--spec get_digraph(callgraph()) -> digraph().
+-spec get_digraph(callgraph()) -> digraph:graph().
get_digraph(#callgraph{digraph = Digraph}) ->
Digraph.
@@ -656,7 +661,7 @@ get_named_tables(#callgraph{race_data_server = RaceDataServer}) ->
get_public_tables(#callgraph{race_data_server = RaceDataServer}) ->
race_data_server_call(get_public_tables, RaceDataServer).
--spec get_race_code(callgraph()) -> dict().
+-spec get_race_code(callgraph()) -> dict:dict().
get_race_code(#callgraph{race_data_server = RaceDataServer}) ->
race_data_server_call(get_race_code, RaceDataServer).
@@ -677,12 +682,12 @@ race_code_new(#callgraph{race_data_server = RaceDataServer} = CG) ->
ok = race_data_server_cast(race_code_new, RaceDataServer),
CG.
--spec put_digraph(digraph(), callgraph()) -> callgraph().
+-spec put_digraph(digraph:graph(), callgraph()) -> callgraph().
put_digraph(Digraph, Callgraph) ->
Callgraph#callgraph{digraph = Digraph}.
--spec put_race_code(dict(), callgraph()) -> callgraph().
+-spec put_race_code(dict:dict(), callgraph()) -> callgraph().
put_race_code(RaceCode, #callgraph{race_data_server = RaceDataServer} = CG) ->
ok = race_data_server_cast({put_race_code, RaceCode}, RaceDataServer),
diff --git a/lib/dialyzer/src/dialyzer_cl.erl b/lib/dialyzer/src/dialyzer_cl.erl
index cda801bf6c..3e68d64d53 100644
--- a/lib/dialyzer/src/dialyzer_cl.erl
+++ b/lib/dialyzer/src/dialyzer_cl.erl
@@ -40,7 +40,7 @@
external_calls = [] :: [mfa()],
external_types = [] :: [mfa()],
legal_warnings = ordsets:new() :: [dial_warn_tag()],
- mod_deps = dict:new() :: dict(),
+ mod_deps = dict:new() :: dialyzer_callgraph:mod_deps(),
output = standard_io :: io:device(),
output_format = formatted :: format(),
filename_opt = basename :: fopt(),
diff --git a/lib/dialyzer/src/dialyzer_codeserver.erl b/lib/dialyzer/src/dialyzer_codeserver.erl
index 216e06219c..aab3d6add6 100644
--- a/lib/dialyzer/src/dialyzer_codeserver.erl
+++ b/lib/dialyzer/src/dialyzer_codeserver.erl
@@ -2,7 +2,7 @@
%%-----------------------------------------------------------------------
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2006-2013. All Rights Reserved.
+%% Copyright Ericsson AB 2006-2014. All Rights Reserved.
%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
@@ -64,6 +64,12 @@
-type dict_ets() :: ets:tid().
-type set_ets() :: ets:tid().
+-type types() :: erl_types:type_table().
+-type mod_records() :: dict:dict(module(), types()).
+
+-type contracts() :: dict:dict(mfa(),dialyzer_contracts:file_contract()).
+-type mod_contracts() :: dict:dict(module(), contracts()).
+
-record(codeserver, {next_core_label = 0 :: label(),
code :: dict_ets(),
exported_types :: set_ets(), % set(mfa())
@@ -160,12 +166,12 @@ insert(Mod, ModCode, CS) ->
true = ets:insert(CS#codeserver.code, [ModEntry|Funs]),
CS.
--spec get_temp_exported_types(codeserver()) -> set().
+-spec get_temp_exported_types(codeserver()) -> sets:set(mfa()).
get_temp_exported_types(#codeserver{temp_exported_types = TempExpTypes}) ->
ets_set_to_set(TempExpTypes).
--spec insert_temp_exported_types(set(), codeserver()) -> codeserver().
+-spec insert_temp_exported_types(sets:set(mfa()), codeserver()) -> codeserver().
insert_temp_exported_types(Set, CS) ->
TempExportedTypes = CS#codeserver.temp_exported_types,
@@ -183,17 +189,17 @@ insert_exports(List, #codeserver{exports = Exports} = CS) ->
is_exported(MFA, #codeserver{exports = Exports}) ->
ets_set_is_element(MFA, Exports).
--spec get_exported_types(codeserver()) -> set(). % set(mfa())
+-spec get_exported_types(codeserver()) -> sets:set(mfa()).
get_exported_types(#codeserver{exported_types = ExpTypes}) ->
ets_set_to_set(ExpTypes).
--spec get_exports(codeserver()) -> set(). % set(mfa())
+-spec get_exports(codeserver()) -> sets:set(mfa()).
get_exports(#codeserver{exports = Exports}) ->
ets_set_to_set(Exports).
--spec finalize_exported_types(set(), codeserver()) -> codeserver().
+-spec finalize_exported_types(sets:set(mfa()), codeserver()) -> codeserver().
finalize_exported_types(Set, CS) ->
ExportedTypes = ets_read_concurrent_table(dialyzer_codeserver_exported_types),
@@ -222,7 +228,7 @@ get_next_core_label(#codeserver{next_core_label = NCL}) ->
set_next_core_label(NCL, CS) ->
CS#codeserver{next_core_label = NCL}.
--spec lookup_mod_records(atom(), codeserver()) -> dict().
+-spec lookup_mod_records(atom(), codeserver()) -> types().
lookup_mod_records(Mod, #codeserver{records = RecDict}) when is_atom(Mod) ->
case ets_dict_find(Mod, RecDict) of
@@ -230,12 +236,12 @@ lookup_mod_records(Mod, #codeserver{records = RecDict}) when is_atom(Mod) ->
{ok, Dict} -> Dict
end.
--spec get_records(codeserver()) -> dict().
+-spec get_records(codeserver()) -> mod_records().
get_records(#codeserver{records = RecDict}) ->
ets_dict_to_dict(RecDict).
--spec store_temp_records(atom(), dict(), codeserver()) -> codeserver().
+-spec store_temp_records(module(), types(), codeserver()) -> codeserver().
store_temp_records(Mod, Dict, #codeserver{temp_records = TempRecDict} = CS)
when is_atom(Mod) ->
@@ -244,12 +250,12 @@ store_temp_records(Mod, Dict, #codeserver{temp_records = TempRecDict} = CS)
false -> CS#codeserver{temp_records = ets_dict_store(Mod, Dict, TempRecDict)}
end.
--spec get_temp_records(codeserver()) -> dict().
+-spec get_temp_records(codeserver()) -> mod_records().
get_temp_records(#codeserver{temp_records = TempRecDict}) ->
ets_dict_to_dict(TempRecDict).
--spec set_temp_records(dict(), codeserver()) -> codeserver().
+-spec set_temp_records(mod_records(), codeserver()) -> codeserver().
set_temp_records(Dict, CS) ->
true = ets:delete(CS#codeserver.temp_records),
@@ -257,7 +263,7 @@ set_temp_records(Dict, CS) ->
true = ets_dict_store_dict(Dict, TempRecords),
CS#codeserver{temp_records = TempRecords}.
--spec finalize_records(dict(), codeserver()) -> codeserver().
+-spec finalize_records(mod_records(), codeserver()) -> codeserver().
finalize_records(Dict, CS) ->
true = ets:delete(CS#codeserver.temp_records),
@@ -265,7 +271,7 @@ finalize_records(Dict, CS) ->
true = ets_dict_store_dict(Dict, Records),
CS#codeserver{records = Records, temp_records = clean}.
--spec lookup_mod_contracts(atom(), codeserver()) -> dict().
+-spec lookup_mod_contracts(atom(), codeserver()) -> contracts().
lookup_mod_contracts(Mod, #codeserver{contracts = ContDict})
when is_atom(Mod) ->
@@ -284,7 +290,7 @@ get_contract_pair(Key, ContDict) ->
lookup_mfa_contract(MFA, #codeserver{contracts = ContDict}) ->
ets_dict_find(MFA, ContDict).
--spec get_contracts(codeserver()) -> dict().
+-spec get_contracts(codeserver()) -> mod_contracts().
get_contracts(#codeserver{contracts = ContDict}) ->
ets_dict_to_dict(ContDict).
@@ -294,7 +300,7 @@ get_contracts(#codeserver{contracts = ContDict}) ->
get_callbacks(#codeserver{callbacks = CallbDict}) ->
ets:tab2list(CallbDict).
--spec store_temp_contracts(atom(), dict(), dict(), codeserver()) ->
+-spec store_temp_contracts(module(), contracts(), contracts(), codeserver()) ->
codeserver().
store_temp_contracts(Mod, SpecDict, CallbackDict,
@@ -313,13 +319,14 @@ store_temp_contracts(Mod, SpecDict, CallbackDict,
CS1#codeserver{temp_callbacks = ets_dict_store(Mod, CallbackDict, Cb)}
end.
--spec get_temp_contracts(codeserver()) -> {dict(), dict()}.
+-spec get_temp_contracts(codeserver()) -> {mod_contracts(), mod_contracts()}.
get_temp_contracts(#codeserver{temp_contracts = TempContDict,
temp_callbacks = TempCallDict}) ->
{ets_dict_to_dict(TempContDict), ets_dict_to_dict(TempCallDict)}.
--spec finalize_contracts(dict(), dict(), codeserver()) -> codeserver().
+-spec finalize_contracts(mod_contracts(), mod_contracts(), codeserver()) ->
+ codeserver().
finalize_contracts(SpecDict, CallbackDict, CS) ->
Contracts = ets_read_concurrent_table(dialyzer_codeserver_contracts),
diff --git a/lib/dialyzer/src/dialyzer_contracts.erl b/lib/dialyzer/src/dialyzer_contracts.erl
index 3467ab4e65..46eaeaa303 100644
--- a/lib/dialyzer/src/dialyzer_contracts.erl
+++ b/lib/dialyzer/src/dialyzer_contracts.erl
@@ -52,7 +52,7 @@
%% to expand records and/or remote types that they might contain.
%%-----------------------------------------------------------------------
--type tmp_contract_fun() :: fun((set(), dict()) -> contract_pair()).
+-type tmp_contract_fun() :: fun((sets:set(mfa()), types()) -> contract_pair()).
-record(tmp_contract, {contract_funs = [] :: [tmp_contract_fun()],
forms = [] :: [{_, _}]}).
@@ -163,8 +163,10 @@ process_contract_remote_types(CodeServer) ->
-type opaques() :: [erl_types:erl_type()] | 'universe'.
-type opaques_fun() :: fun((module()) -> opaques()).
+-type fun_types() :: dict:dict(label(), erl_types:type_table()).
+
-spec check_contracts([{mfa(), file_contract()}],
- dialyzer_callgraph:callgraph(), dict(),
+ dialyzer_callgraph:callgraph(), fun_types(),
opaques_fun()) -> plt_contracts().
check_contracts(Contracts, Callgraph, FunTypes, FindOpaques) ->
@@ -292,7 +294,8 @@ is_not_nil_list(Type) ->
erl_types:t_is_list(Type) andalso not erl_types:t_is_nil(Type).
%% This is the heart of the "range function"
--spec process_contracts([contract_pair()], [erl_types:erl_type()]) -> erl_types:erl_type().
+-spec process_contracts([contract_pair()], [erl_types:erl_type()]) ->
+ erl_types:erl_type().
process_contracts(OverContracts, Args) ->
process_contracts(OverContracts, Args, erl_types:t_none()).
@@ -307,7 +310,8 @@ process_contracts([OverContract|Left], Args, AccRange) ->
process_contracts([], _Args, AccRange) ->
AccRange.
--spec process_contract(contract_pair(), [erl_types:erl_type()]) -> 'error' | {'ok', erl_types:erl_type()}.
+-spec process_contract(contract_pair(), [erl_types:erl_type()]) ->
+ 'error' | {'ok', erl_types:erl_type()}.
process_contract({Contract, Constraints}, CallTypes0) ->
CallTypesFun = erl_types:t_fun(CallTypes0, erl_types:t_any()),
@@ -343,8 +347,11 @@ solve_constraints(Contract, Call, Constraints) ->
%% ?debug("Inf: ~s\n", [erl_types:t_to_string(Inf)]),
%% erl_types:t_assign_variables_to_subtype(Contract, Inf).
+-type contracts() :: dict:dict(mfa(),dialyzer_contracts:file_contract()).
+
%% Checks the contracts for functions that are not implemented
--spec contracts_without_fun(dict(), [_], dialyzer_callgraph:callgraph()) -> [dial_warning()].
+-spec contracts_without_fun(contracts(), [_], dialyzer_callgraph:callgraph()) ->
+ [dial_warning()].
contracts_without_fun(Contracts, AllFuns0, Callgraph) ->
AllFuns1 = [{dialyzer_callgraph:lookup_name(Label, Callgraph), Arity}
@@ -377,7 +384,10 @@ insert_constraints([{subtype, Type1, Type2}|Left], Dict) ->
end;
insert_constraints([], Dict) -> Dict.
--spec store_tmp_contract(mfa(), file_line(), [_], dict(), dict()) -> dict().
+-type types() :: erl_types:type_table().
+
+-spec store_tmp_contract(mfa(), file_line(), [_], contracts(), types()) ->
+ contracts().
store_tmp_contract(MFA, FileLine, TypeSpec, SpecDict, RecordsDict) ->
%% io:format("contract from form: ~p\n", [TypeSpec]),
@@ -404,7 +414,8 @@ 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 +429,8 @@ 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/src/dialyzer_dataflow.erl b/lib/dialyzer/src/dialyzer_dataflow.erl
index b00e0465e0..692684cd99 100644
--- a/lib/dialyzer/src/dialyzer_dataflow.erl
+++ b/lib/dialyzer/src/dialyzer_dataflow.erl
@@ -86,39 +86,53 @@
%%--------------------------------------------------------------------
+-type type() :: erl_types:erl_type().
+-type types() :: erl_types:type_table().
+
-define(no_arg, no_arg).
-define(TYPE_LIMIT, 3).
-record(state, {callgraph :: dialyzer_callgraph:callgraph(),
- envs :: dict(),
- fun_tab :: dict(),
+ envs :: env_tab(),
+ fun_tab :: fun_tab(),
plt :: dialyzer_plt:plt(),
- opaques :: [erl_types:erl_type()],
+ opaques :: [type()],
races = dialyzer_races:new() :: dialyzer_races:races(),
- records = dict:new() :: dict(),
- tree_map :: dict(),
+ records = dict:new() :: types(),
+ tree_map :: dict:dict(label(), cerl:cerl()),
warning_mode = false :: boolean(),
warnings = [] :: [dial_warning()],
- work :: {[_], [_], set()},
+ work :: {[_], [_], sets:set()},
module :: module()
}).
--record(map, {dict = dict:new() :: dict(),
- subst = dict:new() :: dict(),
+-record(map, {dict = dict:new() :: type_tab(),
+ subst = dict:new() :: subst_tab(),
modified = [] :: [Key :: term()],
modified_stack = [] :: [{[Key :: term()],reference()}],
ref = undefined :: reference() | undefined}).
+-type nowarn() :: dialyzer_analysis_callgraph:no_warn_unused().
+-type env_tab() :: dict:dict(label(), #map{}).
+-type fun_entry() :: {Args :: [type()], RetType :: type()}.
+-type fun_tab() :: dict:dict('top' | label(),
+ {'not_handled', fun_entry()} | fun_entry()).
+-type key() :: label() | cerl:cerl().
+-type type_tab() :: dict:dict(key(), type()).
+-type subst_tab() :: dict:dict(key(), cerl:cerl()).
+
%% Exported Types
-opaque state() :: #state{}.
%%--------------------------------------------------------------------
+-type fun_types() :: dict:dict(label(), type()).
+
-spec get_warnings(cerl:c_module(), dialyzer_plt:plt(),
- dialyzer_callgraph:callgraph(), dict(), set()) ->
- {[dial_warning()], dict()}.
+ dialyzer_callgraph:callgraph(), types(), nowarn()) ->
+ {[dial_warning()], fun_types()}.
get_warnings(Tree, Plt, Callgraph, Records, NoWarnUnused) ->
State1 = analyze_module(Tree, Plt, Callgraph, Records, true),
@@ -129,7 +143,8 @@ get_warnings(Tree, Plt, Callgraph, Records, NoWarnUnused) ->
{State4#state.warnings, state__all_fun_types(State4)}.
-spec get_fun_types(cerl:c_module(), dialyzer_plt:plt(),
- dialyzer_callgraph:callgraph(), dict()) -> dict().
+ dialyzer_callgraph:callgraph(),
+ types()) -> fun_types().
get_fun_types(Tree, Plt, Callgraph, Records) ->
State = analyze_module(Tree, Plt, Callgraph, Records, false),
@@ -2299,7 +2314,7 @@ bind_guard_list([], Map, _Env, _Eval, _State, Acc) ->
-type eval() :: 'pos' | 'neg' | 'dont_know'.
--spec signal_guard_fail(eval(), cerl:c_call(), [erl_types:erl_type()],
+-spec signal_guard_fail(eval(), cerl:c_call(), [type()],
state()) -> no_return().
signal_guard_fail(Eval, Guard, ArgTypes, State) ->
@@ -3161,7 +3176,7 @@ state__get_callgraph(#state{callgraph = Callgraph}) ->
state__get_races(#state{races = Races}) ->
Races.
--spec state__get_records(state()) -> dict().
+-spec state__get_records(state()) -> types().
state__get_records(#state{records = Records}) ->
Records.
@@ -3260,7 +3275,7 @@ get_file([_|Tail]) -> get_file(Tail).
is_compiler_generated(Ann) ->
lists:member(compiler_generated, Ann) orelse (get_line(Ann) < 1).
--spec format_args([cerl:cerl()], [erl_types:erl_type()], state()) ->
+-spec format_args([cerl:cerl()], [type()], state()) ->
nonempty_string().
format_args([], [], _State) ->
@@ -3295,17 +3310,17 @@ format_arg(Arg) ->
Default
end.
--spec format_type(erl_types:erl_type(), state()) -> string().
+-spec format_type(type(), state()) -> string().
format_type(Type, #state{records = R}) ->
t_to_string(Type, R).
--spec format_field_diffs(erl_types:erl_type(), state()) -> string().
+-spec format_field_diffs(type(), state()) -> string().
format_field_diffs(RecConstruction, #state{records = R}) ->
erl_types:record_field_diffs_to_string(RecConstruction, R).
--spec format_sig_args(erl_types:erl_type(), state()) -> string().
+-spec format_sig_args(type(), state()) -> string().
format_sig_args(Type, #state{opaques = Opaques} = State) ->
SigArgs = t_fun_args(Type, Opaques),
diff --git a/lib/dialyzer/src/dialyzer_dep.erl b/lib/dialyzer/src/dialyzer_dep.erl
index a81ea1a98b..f1ac41ff04 100644
--- a/lib/dialyzer/src/dialyzer_dep.erl
+++ b/lib/dialyzer/src/dialyzer_dep.erl
@@ -2,7 +2,7 @@
%%-----------------------------------------------------------------------
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2006-2010. All Rights Reserved.
+%% Copyright Ericsson AB 2006-2014. All Rights Reserved.
%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
@@ -59,13 +59,13 @@
%%
-spec analyze(cerl:c_module()) ->
- {dict(), ordset('external' | label()), dict(), dict()}.
+ {dict:dict(), ordset('external' | label()), dict:dict(), dict:dict()}.
analyze(Tree) ->
%% io:format("Handling ~w\n", [cerl:atom_val(cerl:module_name(Tree))]),
{_, State} = traverse(Tree, map__new(), state__new(Tree), top),
Esc = state__esc(State),
- %% Add dependency from 'external' to all escaping function
+ %% Add dependency from 'external' to all escaping functions
State1 = state__add_deps(external, output(Esc), State),
Deps = state__deps(State1),
Calls = state__calls(State1),
@@ -309,7 +309,7 @@ primop(Tree, ArgFuns, State) ->
%% Set
%%
--record(set, {set :: set()}).
+-record(set, {set :: sets:set()}).
set__singleton(Val) ->
#set{set = sets:add_element(Val, sets:new())}.
@@ -478,19 +478,30 @@ all_vars(Tree, AccIn) ->
-type local_set() :: 'none' | #set{}.
--record(state, {deps :: dict(),
+-record(state, {deps :: dict:dict(),
esc :: local_set(),
- call :: dict(),
- arities :: dict(),
- letrecs :: dict()}).
+ call :: dict:dict(),
+ arities :: dict:dict(),
+ letrecs :: dict:dict()}).
state__new(Tree) ->
Exports = set__from_list([X || X <- cerl:module_exports(Tree)]),
- InitEsc = set__from_list([cerl_trees:get_label(Fun)
- || {Var, Fun} <- cerl:module_defs(Tree),
- set__is_element(Var, Exports)]),
+ %% get the labels of all exported functions
+ ExpLs = [cerl_trees:get_label(Fun) || {Var, Fun} <- cerl:module_defs(Tree),
+ set__is_element(Var, Exports)],
+ %% make sure to also initiate an analysis from all functions called
+ %% from on_load attributes; in Core these exist as a list of {F,A} pairs
+ OnLoadFAs = lists:flatten([cerl:atom_val(Args)
+ || {Attr, Args} <- cerl:module_attrs(Tree),
+ cerl:atom_val(Attr) =:= on_load]),
+ OnLoadLs = [cerl_trees:get_label(Fun)
+ || {Var, Fun} <- cerl:module_defs(Tree),
+ lists:member(cerl:var_name(Var), OnLoadFAs)],
+ %% init the escaping function labels to exported + called from on_load
+ InitEsc = set__from_list(OnLoadLs ++ ExpLs),
Arities = cerl_trees:fold(fun find_arities/2, dict:new(), Tree),
- #state{deps = map__new(), esc = InitEsc, call = map__new(), arities = Arities, letrecs = map__new()}.
+ #state{deps = map__new(), esc = InitEsc, call = map__new(),
+ arities = Arities, letrecs = map__new()}.
find_arities(Tree, AccMap) ->
case cerl:is_c_fun(Tree) of
diff --git a/lib/dialyzer/src/dialyzer_plt.erl b/lib/dialyzer/src/dialyzer_plt.erl
index 5f64099210..63798f44b1 100644
--- a/lib/dialyzer/src/dialyzer_plt.erl
+++ b/lib/dialyzer/src/dialyzer_plt.erl
@@ -2,7 +2,7 @@
%%----------------------------------------------------------------------
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2006-2012. All Rights Reserved.
+%% Copyright Ericsson AB 2006-2014. All Rights Reserved.
%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
@@ -67,7 +67,7 @@
%%----------------------------------------------------------------------
--type mod_deps() :: dict().
+-type mod_deps() :: dialyzer_callgraph:mod_deps().
-type deep_string() :: string() | [deep_string()].
@@ -80,11 +80,11 @@
%%----------------------------------------------------------------------
--record(plt, {info = table_new() :: dict(),
- types = table_new() :: dict(),
- contracts = table_new() :: dict(),
- callbacks = table_new() :: dict(),
- exported_types = sets:new() :: set()}).
+-record(plt, {info = table_new() :: dict:dict(),
+ types = table_new() :: dict:dict(),
+ contracts = table_new() :: dict:dict(),
+ callbacks = table_new() :: dict:dict(),
+ exported_types = sets:new() :: sets:set()}).
-record(mini_plt, {info :: ets:tid(),
contracts :: ets:tid(),
@@ -96,15 +96,15 @@
-include("dialyzer.hrl").
-type file_md5() :: {file:filename(), binary()}.
--type plt_info() :: {[file_md5()], dict()}.
+-type plt_info() :: {[file_md5()], dict:dict()}.
-record(file_plt, {version = "" :: string(),
file_md5_list = [] :: [file_md5()],
- info = dict:new() :: dict(),
- contracts = dict:new() :: dict(),
- callbacks = dict:new() :: dict(),
- types = dict:new() :: dict(),
- exported_types = sets:new() :: set(),
+ info = dict:new() :: dict:dict(),
+ contracts = dict:new() :: dict:dict(),
+ callbacks = dict:new() :: dict:dict(),
+ types = dict:new() :: dict:dict(),
+ exported_types = sets:new() :: sets:set(),
mod_deps :: mod_deps(),
implementation_md5 = [] :: [file_md5()]}).
@@ -184,22 +184,22 @@ lookup(Plt, Label) when is_integer(Label) ->
lookup_1(#mini_plt{info = Info}, MFAorLabel) ->
ets_table_lookup(Info, MFAorLabel).
--spec insert_types(plt(), dict()) -> plt().
+-spec insert_types(plt(), dict:dict()) -> plt().
insert_types(PLT, Rec) ->
PLT#plt{types = Rec}.
--spec insert_exported_types(plt(), set()) -> plt().
+-spec insert_exported_types(plt(), sets:set()) -> plt().
insert_exported_types(PLT, Set) ->
PLT#plt{exported_types = Set}.
--spec get_types(plt()) -> dict().
+-spec get_types(plt()) -> dict:dict().
get_types(#plt{types = Types}) ->
Types.
--spec get_exported_types(plt()) -> set().
+-spec get_exported_types(plt()) -> sets:set().
get_exported_types(#plt{exported_types = ExpTypes}) ->
ExpTypes.
@@ -211,7 +211,7 @@ get_exported_types(#plt{exported_types = ExpTypes}) ->
lookup_module(#plt{info = Info}, M) when is_atom(M) ->
table_lookup_module(Info, M).
--spec all_modules(plt()) -> set().
+-spec all_modules(plt()) -> sets:set().
all_modules(#plt{info = Info, contracts = Cs}) ->
sets:union(table_all_modules(Info), table_all_modules(Cs)).
diff --git a/lib/dialyzer/src/dialyzer_races.erl b/lib/dialyzer/src/dialyzer_races.erl
index 2aa8343bce..48fcde8014 100644
--- a/lib/dialyzer/src/dialyzer_races.erl
+++ b/lib/dialyzer/src/dialyzer_races.erl
@@ -2,7 +2,7 @@
%%-----------------------------------------------------------------------
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2008-2012. All Rights Reserved.
+%% Copyright Ericsson AB 2008-2014. All Rights Reserved.
%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
@@ -98,14 +98,14 @@
def_vars :: [core_vars()],
arg_types :: [erl_types:erl_type()],
call_vars :: [core_vars()],
- var_map :: dict()}).
+ var_map :: dict:dict()}).
-record(dep_call, {call_name :: dep_calls(),
args :: args(),
arg_types :: [erl_types:erl_type()],
vars :: [core_vars()],
state :: _, %% XXX: recursive
file_line :: file_line(),
- var_map :: dict()}).
+ var_map :: dict:dict()}).
-record(fun_call, {caller :: dialyzer_callgraph:mfa_or_funlbl(),
callee :: dialyzer_callgraph:mfa_or_funlbl(),
arg_types :: [erl_types:erl_type()],
@@ -114,7 +114,7 @@
arg :: var_to_map1()}).
-record(warn_call, {call_name :: warn_calls(),
args :: args(),
- var_map :: dict()}).
+ var_map :: dict:dict()}).
-type case_tags() :: 'beg_case' | #beg_clause{} | #end_clause{} | #end_case{}.
-type code() :: [#dep_call{} | #fun_call{} | #warn_call{} |
@@ -1565,7 +1565,7 @@ any_args(StrList) ->
end
end.
--spec bind_dict_vars(label(), label(), dict()) -> dict().
+-spec bind_dict_vars(label(), label(), dict:dict()) -> dict:dict().
bind_dict_vars(Key, Label, RaceVarMap) ->
case Key =:= Label of
@@ -1751,7 +1751,7 @@ compare_vars(Var1, Var2, RaceVarMap) when is_integer(Var1), is_integer(Var2) ->
compare_vars(_Var1, _Var2, _RaceVarMap) ->
false.
--spec compare_var_list(label_type(), [label_type()], dict()) -> boolean().
+-spec compare_var_list(label_type(), [label_type()], dict:dict()) -> boolean().
compare_var_list(Var, VarList, RaceVarMap) ->
lists:any(fun (V) -> compare_vars(Var, V, RaceVarMap) end, VarList).
@@ -1956,7 +1956,8 @@ mnesia_tuple_argtypes(TupleStr) ->
[TupleStr2|_T] = string:tokens(TupleStr1, " ,"),
lists:flatten(string:tokens(TupleStr2, " |")).
--spec race_var_map(var_to_map1(), var_to_map2(), dict(), op()) -> dict().
+-spec race_var_map(var_to_map1(), var_to_map2(), dict:dict(), op()) ->
+ dict:dict().
race_var_map(Vars1, Vars2, RaceVarMap, Op) ->
case Vars1 =:= ?no_arg orelse Vars1 =:= ?bypassed
diff --git a/lib/dialyzer/src/dialyzer_succ_typings.erl b/lib/dialyzer/src/dialyzer_succ_typings.erl
index f0488b5ee3..ef9b00e203 100644
--- a/lib/dialyzer/src/dialyzer_succ_typings.erl
+++ b/lib/dialyzer/src/dialyzer_succ_typings.erl
@@ -72,7 +72,7 @@
-record(st, {callgraph :: dialyzer_callgraph:callgraph(),
codeserver :: dialyzer_codeserver:codeserver(),
- no_warn_unused :: set(),
+ no_warn_unused :: sets:set(mfa()),
parent = none :: parent(),
timing_server :: dialyzer_timing:timing_server(),
solvers :: [solver()],
@@ -137,7 +137,7 @@ get_refined_success_typings(SCCs, #st{callgraph = Callgraph,
-type doc_plt() :: 'undefined' | dialyzer_plt:plt().
-spec get_warnings(dialyzer_callgraph:callgraph(), dialyzer_plt:plt(),
- doc_plt(), dialyzer_codeserver:codeserver(), set(),
+ doc_plt(), dialyzer_codeserver:codeserver(), sets:set(mfa()),
dialyzer_timing:timing_server(), [solver()], pid()) ->
{[dial_warning()], dialyzer_plt:plt(), doc_plt()}.
diff --git a/lib/dialyzer/src/dialyzer_typesig.erl b/lib/dialyzer/src/dialyzer_typesig.erl
index 70e14781f7..31ceaf5ac5 100644
--- a/lib/dialyzer/src/dialyzer_typesig.erl
+++ b/lib/dialyzer/src/dialyzer_typesig.erl
@@ -83,7 +83,7 @@
list :: [constr()],
deps :: [dep()],
masks :: [{dep(),[non_neg_integer()]}] |
- {'d',dict()},
+ {'d',dict:dict(dep(), [non_neg_integer()])},
id :: {'list', dep()}}).
-type constraint_list() :: #constraint_list{}.
@@ -94,25 +94,30 @@
-type constr() :: constraint() | constraint_list() | constraint_ref().
--type typesig_scc() :: [{mfa(), {cerl:c_var(), cerl:c_fun()}, dict()}].
+-type types() :: erl_types:type_table().
+
+-type typesig_scc() :: [{mfa(), {cerl:c_var(), cerl:c_fun()}, types()}].
-type typesig_funmap() :: [{type_var(), type_var()}]. %% Orddict
--type dict_or_ets() :: {'d', dict()} | {'e', ets:tid()}.
+-type prop_types() :: dict:dict(label(), types()).
+
+-type dict_or_ets() :: {'d', prop_types()} | {'e', ets:tid()}.
-record(state, {callgraph :: dialyzer_callgraph:callgraph(),
cs = [] :: [constr()],
cmap = {'d', dict:new()} :: dict_or_ets(),
fun_map = [] :: typesig_funmap(),
- fun_arities = dict:new() :: dict(),
+ fun_arities = dict:new() :: dict:dict(type_var(), arity()),
in_match = false :: boolean(),
in_guard = false :: boolean(),
module :: module(),
- name_map = dict:new() :: dict(),
+ name_map = dict:new() :: dict:dict(mfa(),
+ cerl:c_fun()),
next_label = 0 :: label(),
self_rec :: 'false' | erl_types:erl_type(),
plt :: dialyzer_plt:plt(),
prop_types = {'d', dict:new()} :: dict_or_ets(),
- records = dict:new() :: dict(),
+ records = dict:new() :: types(),
scc = [] :: [type_var()],
mfas :: [tuple()],
solvers = [] :: [solver()]
@@ -167,7 +172,7 @@
-spec analyze_scc(typesig_scc(), label(),
dialyzer_callgraph:callgraph(),
- dialyzer_plt:plt(), dict(), [solver()]) -> dict().
+ dialyzer_plt:plt(), prop_types(), [solver()]) -> prop_types().
analyze_scc(SCC, NextLabel, CallGraph, Plt, PropTypes, Solvers0) ->
Solvers = solvers(Solvers0),
@@ -1890,7 +1895,7 @@ sane_maps(Map1, Map2, Keys, _S1, _S2) ->
%% Solver v2
--record(v2_state, {constr_data = dict:new() :: dict(),
+-record(v2_state, {constr_data = dict:new() :: dict:dict(),
state :: #state{}}).
v2_solve_ref(Fun, Map, State) ->
diff --git a/lib/dialyzer/src/dialyzer_utils.erl b/lib/dialyzer/src/dialyzer_utils.erl
index a4c4d37a0f..95a138dd73 100644
--- a/lib/dialyzer/src/dialyzer_utils.erl
+++ b/lib/dialyzer/src/dialyzer_utils.erl
@@ -2,7 +2,7 @@
%%-----------------------------------------------------------------------
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2006-2013. All Rights Reserved.
+%% Copyright Ericsson AB 2006-2014. All Rights Reserved.
%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
@@ -164,14 +164,14 @@ get_core_from_abstract_code(AbstrCode, Opts) ->
%% ============================================================================
-spec get_record_and_type_info(abstract_code()) ->
- {'ok', dict()} | {'error', string()}.
+ {'ok', dict:dict()} | {'error', string()}.
get_record_and_type_info(AbstractCode) ->
Module = get_module(AbstractCode),
get_record_and_type_info(AbstractCode, Module, dict:new()).
--spec get_record_and_type_info(abstract_code(), module(), dict()) ->
- {'ok', dict()} | {'error', string()}.
+-spec get_record_and_type_info(abstract_code(), module(), dict:dict()) ->
+ {'ok', dict:dict()} | {'error', string()}.
get_record_and_type_info(AbstractCode, Module, RecDict) ->
get_record_and_type_info(AbstractCode, Module, [], RecDict).
@@ -304,7 +304,7 @@ process_record_remote_types(CServer) ->
CServer1 = dialyzer_codeserver:finalize_records(NewRecords, CServer),
dialyzer_codeserver:finalize_exported_types(TempExpTypes, CServer1).
--spec merge_records(dict(), dict()) -> dict().
+-spec merge_records(dict:dict(), dict:dict()) -> dict:dict().
merge_records(NewRecords, OldRecords) ->
dict:merge(fun(_Key, NewVal, _OldVal) -> NewVal end, NewRecords, OldRecords).
@@ -315,10 +315,10 @@ merge_records(NewRecords, OldRecords) ->
%%
%% ============================================================================
--type spec_dict() :: dict().
--type callback_dict() :: dict().
+-type spec_dict() :: dict:dict().
+-type callback_dict() :: dict:dict().
--spec get_spec_info(atom(), abstract_code(), dict()) ->
+-spec get_spec_info(atom(), abstract_code(), dict:dict()) ->
{'ok', spec_dict(), callback_dict()} | {'error', string()}.
get_spec_info(ModName, AbstractCode, RecordsDict) ->
@@ -383,7 +383,7 @@ get_spec_info([], SpecDict, CallbackDict, _RecordsDict, _ModName, _File) ->
%%
%% ============================================================================
--spec sets_filter([module()], set()) -> set().
+-spec sets_filter([module()], sets:set()) -> sets:set().
sets_filter([], ExpTypes) ->
ExpTypes;
@@ -434,7 +434,7 @@ format_errors([]) ->
format_sig(Type) ->
format_sig(Type, dict:new()).
--spec format_sig(erl_types:erl_type(), dict()) -> string().
+-spec format_sig(erl_types:erl_type(), dict:dict()) -> string().
format_sig(Type, RecDict) ->
"fun(" ++ Sig = lists:flatten(erl_types:t_to_string(Type, RecDict)),
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-20 11:30:00 +0000