diff options
Diffstat (limited to 'lib/dialyzer')
76 files changed, 1316 insertions, 274 deletions
diff --git a/lib/dialyzer/doc/src/dialyzer.xml b/lib/dialyzer/doc/src/dialyzer.xml index 2a631c3010..a92b890a80 100644 --- a/lib/dialyzer/doc/src/dialyzer.xml +++ b/lib/dialyzer/doc/src/dialyzer.xml @@ -229,7 +229,7 @@ match.</item> <tag><c><![CDATA[-Wno_opaque]]></c></tag> <item>Suppress warnings for violations of opaqueness of data types.</item> - <tag><c><![CDATA[-Wno_behaviours]]></c>***</tag> + <tag><c><![CDATA[-Wno_behaviours]]></c></tag> <item>Suppress warnings about behaviour callbacks which drift from the published recommended interfaces.</item> <tag><c><![CDATA[-Wunmatched_returns]]></c>***</tag> diff --git a/lib/dialyzer/src/dialyzer.app.src b/lib/dialyzer/src/dialyzer.app.src index 9222a28a77..1756800c4f 100644 --- a/lib/dialyzer/src/dialyzer.app.src +++ b/lib/dialyzer/src/dialyzer.app.src @@ -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 @@ -29,17 +29,22 @@ dialyzer_cl_parse, dialyzer_codeserver, dialyzer_contracts, + dialyzer_coordinator, dialyzer_dataflow, dialyzer_dep, dialyzer_explanation, - dialyzer_gui, dialyzer_gui_wx, dialyzer_options, dialyzer_plt, dialyzer_races, dialyzer_succ_typings, dialyzer_typesig, - dialyzer_utils]}, + dialyzer_utils, + dialyzer_timing, + dialyzer_worker]}, {registered, []}, {applications, [compiler, gs, hipe, kernel, stdlib, wx]}, - {env, []}]}. + {env, []}, + {runtime_dependencies, ["wx-1.2","syntax_tools-1.6.14","stdlib-2.0", + "kernel-3.0","hipe-3.10.3","erts-6.0", + "compiler-5.0"]}]}. 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.erl b/lib/dialyzer/src/dialyzer.erl index bb7e39dfda..1b7b0226cc 100644 --- a/lib/dialyzer/src/dialyzer.erl +++ b/lib/dialyzer/src/dialyzer.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 @@ -172,7 +172,7 @@ run(Opts) -> end, case dialyzer_cl:start(OptsRecord) of {?RET_DISCREPANCIES, Warnings} -> Warnings; - {?RET_NOTHING_SUSPICIOUS, []} -> [] + {?RET_NOTHING_SUSPICIOUS, _} -> [] end catch throw:{dialyzer_error, ErrorMsg} -> @@ -474,7 +474,14 @@ message_to_string({callback_missing, [B, F, A]}) -> io_lib:format("Undefined callback function ~w/~w (behaviour '~w')\n", [F, A, B]); message_to_string({callback_info_missing, [B]}) -> - io_lib:format("Callback info about the ~w behaviour is not available\n", [B]). + io_lib:format("Callback info about the ~w behaviour is not available\n", [B]); +%%----- Warnings for unknown functions, types, and behaviours ------------- +message_to_string({unknown_type, {M, F, A}}) -> + io_lib:format("Unknown type ~w:~w/~w", [M, F, A]); +message_to_string({unknown_function, {M, F, A}}) -> + io_lib:format("Unknown function ~w:~w/~w", [M, F, A]); +message_to_string({unknown_behaviour, B}) -> + io_lib:format("Unknown behaviour ~w", [B]). %%----------------------------------------------------------------------------- %% Auxiliary functions below diff --git a/lib/dialyzer/src/dialyzer.hrl b/lib/dialyzer/src/dialyzer.hrl index 105a174e31..6cb4af6a46 100644 --- a/lib/dialyzer/src/dialyzer.hrl +++ b/lib/dialyzer/src/dialyzer.hrl @@ -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 @@ -58,6 +58,7 @@ -define(WARN_RACE_CONDITION, warn_race_condition). -define(WARN_BEHAVIOUR, warn_behaviour). -define(WARN_UNDEFINED_CALLBACK, warn_undefined_callbacks). +-define(WARN_UNKNOWN, warn_unknown). %% %% The following type has double role: @@ -73,7 +74,7 @@ | ?WARN_CONTRACT_SUPERTYPE | ?WARN_CALLGRAPH | ?WARN_UNMATCHED_RETURN | ?WARN_RACE_CONDITION | ?WARN_BEHAVIOUR | ?WARN_CONTRACT_RANGE - | ?WARN_UNDEFINED_CALLBACK. + | ?WARN_UNDEFINED_CALLBACK | ?WARN_UNKNOWN. %% %% This is the representation of each warning as they will be returned 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..e013d39a0e 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(), @@ -504,7 +504,9 @@ hipe_compile(Files, #options{erlang_mode = ErlangMode} = Options) -> _ -> Mods = [lists, dict, digraph, digraph_utils, ets, gb_sets, gb_trees, ordsets, sets, sofs, - cerl, cerl_trees, erl_types, erl_bif_types, + %cerl, % uses maps instructions + %erl_types, % uses maps instructions + cerl_trees, erl_bif_types, dialyzer_analysis_callgraph, dialyzer, dialyzer_behaviours, dialyzer_codeserver, dialyzer_contracts, dialyzer_coordinator, dialyzer_dataflow, dialyzer_dep, @@ -533,7 +535,7 @@ hc(Mod) -> case code:is_module_native(Mod) of true -> ok; false -> - %% io:format(" ~s", [Mod]), + %% io:format(" ~w", [Mod]), {ok, Mod} = hipe:c(Mod), ok end. @@ -656,7 +658,8 @@ return_value(State = #cl_state{erlang_mode = ErlangMode, mod_deps = ModDeps, output_plt = OutputPlt, plt_info = PltInfo, - stored_warnings = StoredWarnings}, + stored_warnings = StoredWarnings, + legal_warnings = LegalWarnings}, Plt) -> case OutputPlt =:= none of true -> ok; @@ -676,16 +679,33 @@ return_value(State = #cl_state{erlang_mode = ErlangMode, maybe_close_output_file(State), {RetValue, []}; true -> - {RetValue, process_warnings(StoredWarnings)} + Unknown = + case ordsets:is_element(?WARN_UNKNOWN, LegalWarnings) of + true -> + unknown_functions(State) ++ + unknown_types(State) ++ + unknown_behaviours(State); + false -> [] + end, + UnknownWarnings = + [{?WARN_UNKNOWN, {_Filename = "", _Line = 0}, W} || W <- Unknown], + AllWarnings = + UnknownWarnings ++ process_warnings(StoredWarnings), + {RetValue, AllWarnings} end. +unknown_functions(#cl_state{external_calls = Calls}) -> + [{unknown_function, MFA} || MFA <- Calls]. + print_ext_calls(#cl_state{report_mode = quiet}) -> ok; print_ext_calls(#cl_state{output = Output, external_calls = Calls, stored_warnings = Warnings, - output_format = Format}) -> - case Calls =:= [] of + output_format = Format, + legal_warnings = LegalWarnings}) -> + case not ordsets:is_element(?WARN_UNKNOWN, LegalWarnings) + orelse Calls =:= [] of true -> ok; false -> case Warnings =:= [] of @@ -708,14 +728,19 @@ do_print_ext_calls(Output, [{M,F,A}|T], Before) -> do_print_ext_calls(_, [], _) -> ok. +unknown_types(#cl_state{external_types = Types}) -> + [{unknown_type, MFA} || MFA <- Types]. + print_ext_types(#cl_state{report_mode = quiet}) -> ok; print_ext_types(#cl_state{output = Output, external_calls = Calls, external_types = Types, stored_warnings = Warnings, - output_format = Format}) -> - case Types =:= [] of + output_format = Format, + legal_warnings = LegalWarnings}) -> + case not ordsets:is_element(?WARN_UNKNOWN, LegalWarnings) + orelse Types =:= [] of true -> ok; false -> case Warnings =:= [] andalso Calls =:= [] of @@ -738,6 +763,15 @@ do_print_ext_types(Output, [{M,F,A}|T], Before) -> do_print_ext_types(_, [], _) -> ok. +unknown_behaviours(#cl_state{unknown_behaviours = DupBehaviours, + legal_warnings = LegalWarnings}) -> + case ordsets:is_element(?WARN_BEHAVIOUR, LegalWarnings) of + false -> []; + true -> + Behaviours = lists:usort(DupBehaviours), + [{unknown_behaviour, B} || B <- Behaviours] + end. + %%print_unknown_behaviours(#cl_state{report_mode = quiet}) -> %% ok; print_unknown_behaviours(#cl_state{output = Output, 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..283031eb9a 100644 --- a/lib/dialyzer/src/dialyzer_contracts.erl +++ b/lib/dialyzer/src/dialyzer_contracts.erl @@ -20,6 +20,8 @@ -module(dialyzer_contracts). +-compile(export_all). + -export([check_contract/2, check_contracts/4, contracts_without_fun/3, @@ -52,7 +54,7 @@ %% 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 +165,10 @@ 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 +296,8 @@ 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 +312,8 @@ 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 +349,11 @@ 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 +386,10 @@ 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 +416,8 @@ 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 +431,8 @@ 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], @@ -427,7 +441,8 @@ contract_from_form([], _RecDict, _FileLine, TypeAcc, FormAcc) -> {lists:reverse(TypeAcc), lists:reverse(FormAcc)}. process_constraints(Constrs, RecDict, ExpTypes, AllRecords) -> - Init = initialize_constraints(Constrs, RecDict, ExpTypes, AllRecords), + Init0 = initialize_constraints(Constrs, RecDict, ExpTypes, AllRecords), + Init = remove_cycles(Init0), constraints_fixpoint(Init, RecDict, ExpTypes, AllRecords). initialize_constraints(Constrs, RecDict, ExpTypes, AllRecords) -> @@ -467,12 +482,9 @@ constraints_fixpoint(OldVarDict, Constrs, RecDict, ExpTypes, AllRecords) -> constraints_fixpoint(NewVarDict, Constrs, RecDict, ExpTypes, AllRecords) end. --define(TYPE_LIMIT, 4). - final_form(Form, RecDict, ExpTypes, AllRecords, VarDict) -> T1 = erl_types:t_from_form(Form, RecDict, VarDict), - T2 = erl_types:t_solve_remote(T1, ExpTypes, AllRecords), - erl_types:t_limit(T2, ?TYPE_LIMIT). + erl_types:t_solve_remote(T1, ExpTypes, AllRecords). constraints_to_dict(Constrs, RecDict, ExpTypes, AllRecords, VarDict) -> Subtypes = @@ -487,6 +499,74 @@ constraints_to_subs([C|Rest], RecDict, ExpTypes, AllRecords, VarDict, Acc) -> NewAcc = [{subtype, T1, T2}|Acc], constraints_to_subs(Rest, RecDict, ExpTypes, AllRecords, VarDict, NewAcc). +%% Replaces variables with '_' when necessary to break up cycles among +%% the constraints. + +remove_cycles(Constrs0) -> + Uses = find_uses(Constrs0), + G = digraph:new(), + Vs0 = [V || {V, _} <- Uses] ++ [V || {_, V} <- Uses], + Vs = lists:usort(Vs0), + lists:foreach(fun(V) -> _ = digraph:add_vertex(G, V) end, Vs), + lists:foreach(fun({From, To}) -> + _ = digraph:add_edge(G, {From, To}, From, To, []) + end, Uses), + ok = remove_cycles(G, Vs), + ToRemove = ordsets:subtract(ordsets:from_list(Uses), + ordsets:from_list(digraph:edges(G))), + Constrs = remove_uses(ToRemove, Constrs0), + digraph:delete(G), + Constrs. + +find_uses([{Var, Form}|Constrs]) -> + UsedVars = form_vars(Form, []), + VarName = erl_types:t_var_name(Var), + [{VarName, UsedVar} || UsedVar <- UsedVars] ++ find_uses(Constrs); +find_uses([]) -> + []. + +form_vars({var, _, '_'}, Vs) -> Vs; +form_vars({var, _, V}, Vs) -> [V|Vs]; +form_vars(T, Vs) when is_tuple(T) -> + form_vars(tuple_to_list(T), Vs); +form_vars([E|Es], Vs) -> + form_vars(Es, form_vars(E, Vs)); +form_vars(_, Vs) -> Vs. + +remove_cycles(G, Vs) -> + NumberOfEdges = digraph:no_edges(G), + lists:foreach(fun(V) -> + case digraph:get_cycle(G, V) of + false -> true; + [V] -> digraph:del_edge(G, {V, V}); + [V, V1|_] -> digraph:del_edge(G, {V, V1}) + end + end, Vs), + case digraph:no_edges(G) =:= NumberOfEdges of + true -> ok; + false -> remove_cycles(G, Vs) + end. + +remove_uses([], Constrs) -> Constrs; +remove_uses([{Var, Use}|ToRemove], Constrs0) -> + Constrs = remove_uses(Var, Use, Constrs0), + remove_uses(ToRemove, Constrs). + +remove_uses(_Var, _Use, []) -> []; +remove_uses(Var, Use, [Constr|Constrs]) -> + {V, Form} = Constr, + case erl_types:t_var_name(V) =:= Var of + true -> [{V, remove_use(Form, Use)}|Constrs]; + false -> [Constr|remove_uses(Var, Use, Constrs)] + end. + +remove_use({var, L, V}, V) -> {var, L, '_'}; +remove_use(T, V) when is_tuple(T) -> + list_to_tuple(remove_use(tuple_to_list(T), V)); +remove_use([E|Es], V) -> + [remove_use(E, V)|remove_use(Es, V)]; +remove_use(T, _V) -> T. + %% Gets the most general domain of a list of domains of all %% the overloaded contracts diff --git a/lib/dialyzer/src/dialyzer_dataflow.erl b/lib/dialyzer/src/dialyzer_dataflow.erl index 33fa107019..692684cd99 100644 --- a/lib/dialyzer/src/dialyzer_dataflow.erl +++ b/lib/dialyzer/src/dialyzer_dataflow.erl @@ -58,10 +58,12 @@ t_fun_range/2, t_integer/0, t_integers/1, t_is_any/1, t_is_atom/1, t_is_atom/2, t_is_any_atom/3, t_is_boolean/2, - t_is_integer/2, t_is_nil/2, t_is_none/1, t_is_none_or_unit/1, + t_is_integer/2, t_is_list/1, + t_is_nil/2, t_is_none/1, t_is_none_or_unit/1, t_is_number/2, t_is_reference/2, t_is_pid/2, t_is_port/2, t_is_unit/1, - t_limit/2, t_list/0, t_maybe_improper_list/0, t_module/0, + t_limit/2, t_list/0, t_list_elements/2, + t_maybe_improper_list/0, t_module/0, t_none/0, t_non_neg_integer/0, t_number/0, t_number_vals/2, t_pid/0, t_port/0, t_product/1, t_reference/0, t_to_string/2, t_to_tlist/1, @@ -84,39 +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), @@ -127,7 +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), @@ -293,6 +310,7 @@ traverse(Tree, Map, State) -> t_is_any(ArgType) orelse t_is_simple(ArgType, State) orelse is_call_to_send(Arg) + orelse is_lc_simple_list(Arg, ArgType, State) of true -> % do not warn in these cases State1; @@ -2296,12 +2314,15 @@ 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) -> signal_guard_failure(Eval, Guard, ArgTypes, fail, State). +-spec signal_guard_fatal_fail(eval(), cerl:c_call(), [erl_types:erl_type()], + state()) -> no_return(). + signal_guard_fatal_fail(Eval, Guard, ArgTypes, State) -> signal_guard_failure(Eval, Guard, ArgTypes, fatal_fail, State). @@ -2710,6 +2731,13 @@ is_call_to_send(Tree) -> andalso (Arity =:= 2) end. +is_lc_simple_list(Tree, TreeType, State) -> + Opaques = State#state.opaques, + Ann = cerl:get_ann(Tree), + lists:member(list_comprehension, Ann) + andalso t_is_list(TreeType) + andalso t_is_simple(t_list_elements(TreeType, Opaques), State). + filter_match_fail([Clause] = Cls) -> Body = cerl:clause_body(Clause), case cerl:type(Body) of @@ -3148,7 +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. @@ -3247,7 +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) -> @@ -3282,17 +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_options.erl b/lib/dialyzer/src/dialyzer_options.erl index 06672e595f..a92b8b1958 100644 --- a/lib/dialyzer/src/dialyzer_options.erl +++ b/lib/dialyzer/src/dialyzer_options.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 @@ -51,7 +51,8 @@ build(Opts) -> ?WARN_CONTRACT_TYPES, ?WARN_CONTRACT_SYNTAX, ?WARN_BEHAVIOUR, - ?WARN_UNDEFINED_CALLBACK], + ?WARN_UNDEFINED_CALLBACK, + ?WARN_UNKNOWN], DefaultWarns1 = ordsets:from_list(DefaultWarns), InitPlt = dialyzer_plt:get_default_plt(), DefaultOpts = #options{}, @@ -310,6 +311,8 @@ build_warnings([Opt|Opts], Warnings) -> ordsets:add_element(?WARN_CONTRACT_SUBTYPE, Warnings); underspecs -> ordsets:add_element(?WARN_CONTRACT_SUPERTYPE, Warnings); + no_unknown -> + ordsets:del_element(?WARN_UNKNOWN, Warnings); OtherAtom -> bad_option("Unknown dialyzer warning option", OtherAtom) end, 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 b4b3d5a092..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) -> @@ -2535,8 +2540,10 @@ enter_type(Key, Val, Map) when is_integer(Key) -> erase_type(Key, Map); false -> LimitedVal = t_limit(Val, ?INTERNAL_TYPE_LIMIT), - [?debug("LimitedVal ~s\n", [format_type(LimitedVal)]) || - not is_equal(LimitedVal, Val)], + case is_equal(LimitedVal, Val) of + true -> ok; + false -> ?debug("LimitedVal ~s\n", [format_type(LimitedVal)]) + end, case dict:find(Key, Map) of {ok, Value} -> case is_equal(Value, LimitedVal) of diff --git a/lib/dialyzer/src/dialyzer_utils.erl b/lib/dialyzer/src/dialyzer_utils.erl index a4c4d37a0f..21183e3459 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)), @@ -450,11 +450,10 @@ flat_format(Fmt, Lst) -> %% Created : 5 March 2007 %%------------------------------------------------------------------- +-spec pp_hook() -> fun((cerl:cerl(), _, _) -> term()). pp_hook() -> fun pp_hook/3. --spec pp_hook() -> fun((cerl:cerl(), _, _) -> term()). - pp_hook(Node, Ctxt, Cont) -> case cerl:type(Node) of binary -> diff --git a/lib/dialyzer/test/Makefile b/lib/dialyzer/test/Makefile index 27cabc8ef8..f43e04dd59 100644 --- a/lib/dialyzer/test/Makefile +++ b/lib/dialyzer/test/Makefile @@ -11,6 +11,7 @@ AUXILIARY_FILES=\ dialyzer_test_constants.hrl\ dialyzer_common.erl\ file_utils.erl\ + dialyzer_SUITE.erl\ plt_SUITE.erl # ---------------------------------------------------- diff --git a/lib/dialyzer/test/dialyzer_SUITE.erl b/lib/dialyzer/test/dialyzer_SUITE.erl new file mode 100644 index 0000000000..1b62291a00 --- /dev/null +++ b/lib/dialyzer/test/dialyzer_SUITE.erl @@ -0,0 +1,77 @@ +%% +%% %CopyrightBegin% +%% +%% Copyright Ericsson AB 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 +%% compliance with the License. You should have received a copy of the +%% Erlang Public License along with this software. If not, it can be +%% retrieved online at http://www.erlang.org/. +%% +%% Software distributed under the License is distributed on an "AS IS" +%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See +%% the License for the specific language governing rights and limitations +%% under the License. +%% +%% %CopyrightEnd% +%% +-module(dialyzer_SUITE). + +-include_lib("test_server/include/test_server.hrl"). + +%% Default timetrap timeout (set in init_per_testcase). +-define(default_timeout, ?t:minutes(1)). +-define(application, dialyzer). + +%% Test server specific exports +-export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1, + init_per_group/2,end_per_group/2]). +-export([init_per_testcase/2, end_per_testcase/2]). + +%% Test cases must be exported. +-export([app_test/1, appup_test/1]). + +suite() -> [{ct_hooks,[ts_install_cth]}]. + +all() -> + [app_test, appup_test]. + +groups() -> + []. + +init_per_suite(Config) -> + Config. + +end_per_suite(_Config) -> + ok. + +init_per_group(_GroupName, Config) -> + Config. + +end_per_group(_GroupName, Config) -> + Config. + + +init_per_testcase(_Case, Config) -> + ?line Dog=test_server:timetrap(?default_timeout), + [{watchdog, Dog}|Config]. +end_per_testcase(_Case, Config) -> + Dog=?config(watchdog, Config), + test_server:timetrap_cancel(Dog), + ok. + +%%% +%%% Test cases starts here. +%%% + +app_test(doc) -> + ["Test that the .app file does not contain any `basic' errors"]; +app_test(suite) -> + []; +app_test(Config) when is_list(Config) -> + ?line ?t:app_test(dialyzer). + +%% Test that the .appup file does not contain any `basic' errors +appup_test(Config) when is_list(Config) -> + ok = ?t:appup_test(dialyzer). diff --git a/lib/dialyzer/test/file_utils.erl b/lib/dialyzer/test/file_utils.erl index 36b368760c..e1314ec8de 100644 --- a/lib/dialyzer/test/file_utils.erl +++ b/lib/dialyzer/test/file_utils.erl @@ -106,7 +106,7 @@ lcs_fast(S1, S2) -> -spec lcs_fast([string()], [string()], pos_integer(), pos_integer(), - non_neg_integer(), array()) -> {[string()], array()}. + non_neg_integer(), array:array()) -> {[string()], array:array()}. lcs_fast([], _, _, _, _, Acc) -> {[], Acc}; diff --git a/lib/dialyzer/test/opaque_SUITE_data/dialyzer_options b/lib/dialyzer/test/opaque_SUITE_data/dialyzer_options index 3ff26b87db..44a65f6e90 100644 --- a/lib/dialyzer/test/opaque_SUITE_data/dialyzer_options +++ b/lib/dialyzer/test/opaque_SUITE_data/dialyzer_options @@ -1 +1 @@ -{dialyzer_options, [{warnings, [no_unused, no_return]}]}. +{dialyzer_options, [{warnings, [no_unused, no_return, no_unknown]}]}. diff --git a/lib/dialyzer/test/opaque_SUITE_data/results/array b/lib/dialyzer/test/opaque_SUITE_data/results/array index b05d088a03..9921b61669 100644 --- a/lib/dialyzer/test/opaque_SUITE_data/results/array +++ b/lib/dialyzer/test/opaque_SUITE_data/results/array @@ -1,3 +1,3 @@ -array_use.erl:12: The type test is_tuple(array()) breaks the opaqueness of the term array() -array_use.erl:9: The attempt to match a term of type array() against the pattern {'array', _, _, 'undefined', _} breaks the opaqueness of the term +array_use.erl:12: The type test is_tuple(array:array(_)) breaks the opaqueness of the term array:array(_) +array_use.erl:9: The attempt to match a term of type array:array(_) against the pattern {'array', _, _, 'undefined', _} breaks the opaqueness of the term diff --git a/lib/dialyzer/test/opaque_SUITE_data/results/dict b/lib/dialyzer/test/opaque_SUITE_data/results/dict index 5c6bf6a927..42f6663191 100644 --- a/lib/dialyzer/test/opaque_SUITE_data/results/dict +++ b/lib/dialyzer/test/opaque_SUITE_data/results/dict @@ -1,15 +1,15 @@ -dict_use.erl:41: The attempt to match a term of type dict() against the pattern 'gazonk' breaks the opaqueness of the term -dict_use.erl:45: The attempt to match a term of type dict() against the pattern [] breaks the opaqueness of the term -dict_use.erl:46: The attempt to match a term of type dict() against the pattern 42 breaks the opaqueness of the term -dict_use.erl:51: The attempt to match a term of type dict() against the pattern [] breaks the opaqueness of the term -dict_use.erl:52: The attempt to match a term of type dict() against the pattern 42 breaks the opaqueness of the term -dict_use.erl:58: Attempt to test for equality between a term of type maybe_improper_list() and a term of opaque type dict() -dict_use.erl:60: Attempt to test for inequality between a term of type atom() and a term of opaque type dict() -dict_use.erl:64: Guard test length(D::dict()) breaks the opaqueness of its argument -dict_use.erl:65: Guard test is_atom(D::dict()) breaks the opaqueness of its argument -dict_use.erl:66: Guard test is_list(D::dict()) breaks the opaqueness of its argument -dict_use.erl:70: The type test is_list(dict()) breaks the opaqueness of the term dict() -dict_use.erl:73: The call dict:fetch('foo',[1 | 2 | 3,...]) does not have an opaque term of type dict() as 2nd argument +dict_use.erl:41: The attempt to match a term of type dict:dict(_,_) against the pattern 'gazonk' breaks the opaqueness of the term +dict_use.erl:45: The attempt to match a term of type dict:dict(_,_) against the pattern [] breaks the opaqueness of the term +dict_use.erl:46: The attempt to match a term of type dict:dict(_,_) against the pattern 42 breaks the opaqueness of the term +dict_use.erl:51: The attempt to match a term of type dict:dict(_,_) against the pattern [] breaks the opaqueness of the term +dict_use.erl:52: The attempt to match a term of type dict:dict(_,_) against the pattern 42 breaks the opaqueness of the term +dict_use.erl:58: Attempt to test for equality between a term of type maybe_improper_list() and a term of opaque type dict:dict(_,_) +dict_use.erl:60: Attempt to test for inequality between a term of type atom() and a term of opaque type dict:dict(_,_) +dict_use.erl:64: Guard test length(D::dict:dict(_,_)) breaks the opaqueness of its argument +dict_use.erl:65: Guard test is_atom(D::dict:dict(_,_)) breaks the opaqueness of its argument +dict_use.erl:66: Guard test is_list(D::dict:dict(_,_)) breaks the opaqueness of its argument +dict_use.erl:70: The type test is_list(dict:dict(_,_)) breaks the opaqueness of the term dict:dict(_,_) +dict_use.erl:73: The call dict:fetch('foo',[1 | 2 | 3,...]) does not have an opaque term of type dict:dict(_,_) as 2nd argument dict_use.erl:76: The call dict:merge(Fun::any(),42,[1 | 2,...]) does not have opaque terms as 2nd and 3rd arguments -dict_use.erl:79: The call dict:store(42,'elli',{'dict',0,16,16,8,80,48,{[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[]},{{[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[]}}}) does not have an opaque term of type dict() as 3rd argument +dict_use.erl:79: The call dict:store(42,'elli',{'dict',0,16,16,8,80,48,{[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[]},{{[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[]}}}) does not have an opaque term of type dict:dict(_,_) as 3rd argument diff --git a/lib/dialyzer/test/opaque_SUITE_data/results/ets b/lib/dialyzer/test/opaque_SUITE_data/results/ets index e79696bc30..e11c7a8352 100644 --- a/lib/dialyzer/test/opaque_SUITE_data/results/ets +++ b/lib/dialyzer/test/opaque_SUITE_data/results/ets @@ -1,4 +1,4 @@ -ets_use.erl:12: Guard test is_integer(T::atom() | tid()) breaks the opaqueness of its argument -ets_use.erl:20: The type test is_integer(atom() | tid()) breaks the opaqueness of the term atom() | tid() -ets_use.erl:7: Guard test is_integer(T::tid()) breaks the opaqueness of its argument +ets_use.erl:12: Guard test is_integer(T::atom() | ets:tid()) breaks the opaqueness of its argument +ets_use.erl:20: The type test is_integer(atom() | ets:tid()) breaks the opaqueness of the term atom() | ets:tid() +ets_use.erl:7: Guard test is_integer(T::ets:tid()) breaks the opaqueness of its argument diff --git a/lib/dialyzer/test/opaque_SUITE_data/results/ewgi b/lib/dialyzer/test/opaque_SUITE_data/results/ewgi index 5bc6b87fbb..209f27b2f2 100644 --- a/lib/dialyzer/test/opaque_SUITE_data/results/ewgi +++ b/lib/dialyzer/test/opaque_SUITE_data/results/ewgi @@ -1,4 +1,4 @@ -ewgi_api.erl:55: The call gb_trees:to_list({non_neg_integer(),'nil' | {_,_,_,_}}) does not have an opaque term of type gb_tree() as 1st argument -ewgi_testapp.erl:35: The call ewgi_testapp:htmlise_data("request_data",{non_neg_integer(),'nil' | {_,_,_,_}}) does not have a term of type [{_,_}] | gb_tree() (with opaque subterms) as 2nd argument -ewgi_testapp.erl:43: The call gb_trees:to_list(T::{non_neg_integer(),'nil' | {_,_,_,_}}) does not have an opaque term of type gb_tree() as 1st argument +ewgi_api.erl:55: The call gb_trees:to_list({non_neg_integer(),'nil' | {_,_,_,_}}) does not have an opaque term of type gb_trees:tree(_,_) as 1st argument +ewgi_testapp.erl:35: The call ewgi_testapp:htmlise_data("request_data",{non_neg_integer(),'nil' | {_,_,_,_}}) does not have a term of type [{_,_}] | gb_trees:tree(_,_) (with opaque subterms) as 2nd argument +ewgi_testapp.erl:43: The call gb_trees:to_list(T::{non_neg_integer(),'nil' | {_,_,_,_}}) does not have an opaque term of type gb_trees:tree(_,_) as 1st argument diff --git a/lib/dialyzer/test/opaque_SUITE_data/results/inf_loop1 b/lib/dialyzer/test/opaque_SUITE_data/results/inf_loop1 index 4fe5fcfe2d..ac5ef14041 100644 --- a/lib/dialyzer/test/opaque_SUITE_data/results/inf_loop1 +++ b/lib/dialyzer/test/opaque_SUITE_data/results/inf_loop1 @@ -2,4 +2,4 @@ inf_loop1.erl:119: The pattern [{_, LNorms}] can never match the type [] inf_loop1.erl:121: The pattern [{LinksA, LNormA}, {LinksB, LNormB}] can never match the type [] inf_loop1.erl:129: The pattern [{_, Norm} | _] can never match the type [] -inf_loop1.erl:71: The call gb_trees:get(Edge::any(),Etab::array()) does not have an opaque term of type gb_tree() as 2nd argument +inf_loop1.erl:71: The call gb_trees:get(Edge::any(),Etab::array:array(_)) does not have an opaque term of type gb_trees:tree(_,_) as 2nd argument diff --git a/lib/dialyzer/test/opaque_SUITE_data/results/inf_loop2 b/lib/dialyzer/test/opaque_SUITE_data/results/inf_loop2 index 4f0b79eb35..8cd2abe8cd 100644 --- a/lib/dialyzer/test/opaque_SUITE_data/results/inf_loop2 +++ b/lib/dialyzer/test/opaque_SUITE_data/results/inf_loop2 @@ -2,4 +2,4 @@ inf_loop2.erl:122: The pattern [{_, LNorms}] can never match the type [] inf_loop2.erl:124: The pattern [{LinksA, LNormA}, {LinksB, LNormB}] can never match the type [] inf_loop2.erl:132: The pattern [{_, Norm} | _] can never match the type [] -inf_loop2.erl:74: The call gb_trees:get(Edge::any(),Etab::array()) does not have an opaque term of type gb_tree() as 2nd argument +inf_loop2.erl:74: The call gb_trees:get(Edge::any(),Etab::array:array(_)) does not have an opaque term of type gb_trees:tree(_,_) as 2nd argument diff --git a/lib/dialyzer/test/opaque_SUITE_data/results/para b/lib/dialyzer/test/opaque_SUITE_data/results/para new file mode 100644 index 0000000000..3aaa238de6 --- /dev/null +++ b/lib/dialyzer/test/opaque_SUITE_data/results/para @@ -0,0 +1,21 @@ + +para1.erl:18: The test para1:t(atom()) =:= para1:t(integer()) can never evaluate to 'true' +para1.erl:23: The test para1:t(atom()) =:= para1:t() can never evaluate to 'true' +para1.erl:28: The test para1:t() =:= para1:t(integer()) can never evaluate to 'true' +para1.erl:33: The test {3,2} =:= {'a','b'} can never evaluate to 'true' +para1.erl:38: Attempt to test for equality between a term of type para1_adt:t(integer()) and a term of opaque type para1_adt:t(atom()) +para1.erl:43: Attempt to test for equality between a term of type para1_adt:t() and a term of opaque type para1_adt:t(atom()) +para1.erl:48: Attempt to test for equality between a term of type para1_adt:t(integer()) and a term of opaque type para1_adt:t() +para1.erl:53: The test {3,2} =:= {'a','b'} can never evaluate to 'true' +para2.erl:103: Attempt to test for equality between a term of type para2_adt:circ({{integer(),integer()},{integer(),integer()}},{{integer(),integer()},{integer(),integer()}}) and a term of opaque type para2_adt:circ({{integer(),integer()},{integer(),integer()}}) +para2.erl:117: Attempt to test for equality between a term of type para2_adt:un(atom(),integer()) and a term of opaque type para2_adt:un(integer(),atom()) +para2.erl:31: The test 'a' =:= 'b' can never evaluate to 'true' +para2.erl:61: Attempt to test for equality between a term of type para2_adt:c2() and a term of opaque type para2_adt:c1() +para2.erl:66: The test 'a' =:= 'b' can never evaluate to 'true' +para2.erl:88: The test para2:circ({{integer(),integer()},{integer(),integer()}}) =:= para2:circ({{integer(),integer()},{integer(),integer()}},{{integer(),integer()},{integer(),integer()}}) can never evaluate to 'true' +para3.erl:28: Invalid type specification for function para3:ot2/0. The success typing is () -> 'foo' +para3.erl:36: The pattern {{{17}}} can never match the type {{{{{{_,_,_,_,_}}}}}} +para3.erl:55: Invalid type specification for function para3:t2/0. The success typing is () -> 'foo' +para3.erl:65: The attempt to match a term of type {{{{{para3_adt:ot1(_,_,_,_,_)}}}}} against the pattern {{{{{17}}}}} breaks the opaqueness of para3_adt:ot1(_,_,_,_,_) +para3.erl:68: The pattern {{{{17}}}} can never match the type {{{{{para3_adt:ot1(_,_,_,_,_)}}}}} +para3.erl:74: Invalid type specification for function para3:exp_adt/0. The success typing is () -> 3 diff --git a/lib/dialyzer/test/opaque_SUITE_data/results/queue b/lib/dialyzer/test/opaque_SUITE_data/results/queue index 59ce33f098..5b3813c418 100644 --- a/lib/dialyzer/test/opaque_SUITE_data/results/queue +++ b/lib/dialyzer/test/opaque_SUITE_data/results/queue @@ -1,11 +1,11 @@ -queue_use.erl:18: The call queue:is_empty({[],[]}) does not have an opaque term of type queue() as 1st argument -queue_use.erl:22: The call queue:in(42,Q0::{[],[]}) does not have an opaque term of type queue() as 2nd argument -queue_use.erl:27: The attempt to match a term of type queue() against the pattern {"*", Q2} breaks the opaqueness of the term -queue_use.erl:33: Attempt to test for equality between a term of type {[42,...],[]} and a term of opaque type queue() -queue_use.erl:36: The attempt to match a term of type queue() against the pattern {F, _R} breaks the opaqueness of the term -queue_use.erl:40: The call queue:out({[42,...],[]}) does not have an opaque term of type queue() as 1st argument -queue_use.erl:51: The call queue_use:is_in_queue(E::42,DB::#db{p::[],q::queue()}) contains an opaque term as 2nd argument when terms of different types are expected in these positions -queue_use.erl:56: The attempt to match a term of type #db{p::[],q::queue()} against the pattern {'db', _, {L1, L2}} breaks the opaqueness of queue() -queue_use.erl:62: The call queue_use:tuple_queue({42,'gazonk'}) does not have a term of type {_,queue()} (with opaque subterms) as 1st argument -queue_use.erl:65: The call queue:in(F::42,Q::'gazonk') does not have an opaque term of type queue() as 2nd argument +queue_use.erl:18: The call queue:is_empty({[],[]}) does not have an opaque term of type queue:queue(_) as 1st argument +queue_use.erl:22: The call queue:in(42,Q0::{[],[]}) does not have an opaque term of type queue:queue(_) as 2nd argument +queue_use.erl:27: The attempt to match a term of type queue:queue(_) against the pattern {"*", Q2} breaks the opaqueness of the term +queue_use.erl:33: Attempt to test for equality between a term of type {[42,...],[]} and a term of opaque type queue:queue(_) +queue_use.erl:36: The attempt to match a term of type queue:queue(_) against the pattern {F, _R} breaks the opaqueness of the term +queue_use.erl:40: The call queue:out({[42,...],[]}) does not have an opaque term of type queue:queue(_) as 1st argument +queue_use.erl:51: The call queue_use:is_in_queue(E::42,DB::#db{p::[],q::queue:queue(_)}) contains an opaque term as 2nd argument when terms of different types are expected in these positions +queue_use.erl:56: The attempt to match a term of type #db{p::[],q::queue:queue(_)} against the pattern {'db', _, {L1, L2}} breaks the opaqueness of queue:queue(_) +queue_use.erl:62: The call queue_use:tuple_queue({42,'gazonk'}) does not have a term of type {_,queue:queue(_)} (with opaque subterms) as 1st argument +queue_use.erl:65: The call queue:in(F::42,Q::'gazonk') does not have an opaque term of type queue:queue(_) as 2nd argument diff --git a/lib/dialyzer/test/opaque_SUITE_data/results/simple b/lib/dialyzer/test/opaque_SUITE_data/results/simple index f55b384cbe..072ac9be8f 100644 --- a/lib/dialyzer/test/opaque_SUITE_data/results/simple +++ b/lib/dialyzer/test/opaque_SUITE_data/results/simple @@ -1,6 +1,6 @@ -exact_api.erl:17: The call exact_api:set_type(A::#digraph{vtab::'notable',etab::'notable',ntab::'notable',cyclic::'true'}) does not have an opaque term of type digraph() as 1st argument -exact_api.erl:23: The call digraph:delete(G::#digraph{vtab::'notable',etab::'notable',ntab::'notable',cyclic::'true'}) does not have an opaque term of type digraph() as 1st argument +exact_api.erl:17: The call exact_api:set_type(A::#digraph{vtab::'notable',etab::'notable',ntab::'notable',cyclic::'true'}) does not have an opaque term of type digraph:graph() as 1st argument +exact_api.erl:23: The call digraph:delete(G::#digraph{vtab::'notable',etab::'notable',ntab::'notable',cyclic::'true'}) does not have an opaque term of type digraph:graph() as 1st argument exact_api.erl:55: The attempt to match a term of type exact_adt:exact_adt() against the pattern {'exact_adt'} breaks the opaqueness of the term exact_api.erl:59: The call exact_adt:exact_adt_set_type2(A::#exact_adt{}) does not have an opaque term of type exact_adt:exact_adt() as 1st argument is_rec.erl:10: The call erlang:is_record(simple1_adt:d1(),'r',2) contains an opaque term as 1st argument when terms of different types are expected in these positions @@ -73,7 +73,7 @@ simple1_api.erl:536: Guard test A::simple1_adt:d1() == 3 contains an opaque term simple1_api.erl:538: Guard test A::simple1_adt:d1() =:= 3 contains an opaque term as 1st argument simple1_api.erl:548: The call erlang:'<'(A::simple1_adt:d1(),3) contains an opaque term as 1st argument when terms of different types are expected in these positions simple1_api.erl:558: The call erlang:'=<'(A::simple1_adt:d1(),B::simple1_adt:d2()) contains an opaque term as 1st argument when terms of different types are expected in these positions -simple1_api.erl:565: Guard test {digraph(),3} > {digraph(),atom() | tid()} contains an opaque term as 2nd argument +simple1_api.erl:565: Guard test {digraph:graph(),3} > {digraph:graph(),atom() | ets:tid()} contains an opaque term as 2nd argument simple1_api.erl:91: Invalid type specification for function simple1_api:tup/0. The success typing is () -> {'a','b'} simple2_api.erl:100: The call lists:flatten(A::simple1_adt:tuple1()) contains an opaque term as 1st argument when a structured term of type [any()] is expected simple2_api.erl:116: The call lists:flatten({simple1_adt:tuple1()}) will never return since it differs in the 1st argument from the success typing arguments: ([any()]) diff --git a/lib/dialyzer/test/opaque_SUITE_data/results/wings b/lib/dialyzer/test/opaque_SUITE_data/results/wings index 0ca91ae331..511263b70a 100644 --- a/lib/dialyzer/test/opaque_SUITE_data/results/wings +++ b/lib/dialyzer/test/opaque_SUITE_data/results/wings @@ -1,11 +1,11 @@ -wings_dissolve.erl:103: Guard test is_list(List::gb_set()) breaks the opaqueness of its argument -wings_dissolve.erl:19: Guard test is_list(Faces::gb_set()) breaks the opaqueness of its argument -wings_dissolve.erl:272: Guard test is_list(Faces::gb_set()) breaks the opaqueness of its argument -wings_dissolve.erl:31: The call gb_sets:is_empty(Faces::[any(),...]) does not have an opaque term of type gb_set() as 1st argument +wings_dissolve.erl:103: Guard test is_list(List::gb_sets:set(_)) breaks the opaqueness of its argument +wings_dissolve.erl:19: Guard test is_list(Faces::gb_sets:set(_)) breaks the opaqueness of its argument +wings_dissolve.erl:272: Guard test is_list(Faces::gb_sets:set(_)) breaks the opaqueness of its argument +wings_dissolve.erl:31: The call gb_sets:is_empty(Faces::[any(),...]) does not have an opaque term of type gb_sets:set(_) as 1st argument wings_edge.erl:205: The pattern <Edge, 'hard', Htab> can never match the type <_,'soft',_> -wings_edge_cmd.erl:30: The call gb_trees:size(P::gb_set()) does not have an opaque term of type gb_tree() as 1st argument +wings_edge_cmd.erl:30: The call gb_trees:size(P::gb_sets:set(_)) does not have an opaque term of type gb_trees:tree(_,_) as 1st argument wings_edge_cmd.erl:32: The pattern [_ | Parts] can never match the type [] wings_edge_cmd.erl:32: The pattern [{_, P} | _] can never match the type [] -wings_io.erl:30: The attempt to match a term of type {'empty',queue()} against the pattern {'empty', {In, Out}} breaks the opaqueness of queue() -wings_we.erl:155: The call wings_util:gb_trees_largest_key(Etab::gb_tree()) contains an opaque term as 1st argument when a structured term of type {_,{_,_,_,'nil' | {_,_,_,'nil' | {_,_,_,_}}}} is expected +wings_io.erl:30: The attempt to match a term of type {'empty',queue:queue(_)} against the pattern {'empty', {In, Out}} breaks the opaqueness of queue:queue(_) +wings_we.erl:155: The call wings_util:gb_trees_largest_key(Etab::gb_trees:tree(_,_)) contains an opaque term as 1st argument when a structured term of type {_,{_,_,_,'nil' | {_,_,_,'nil' | {_,_,_,_}}}} is expected diff --git a/lib/dialyzer/test/opaque_SUITE_data/src/dict/dict_use.erl b/lib/dialyzer/test/opaque_SUITE_data/src/dict/dict_use.erl index 8a2cd86f43..a4cec065ab 100644 --- a/lib/dialyzer/test/opaque_SUITE_data/src/dict/dict_use.erl +++ b/lib/dialyzer/test/opaque_SUITE_data/src/dict/dict_use.erl @@ -24,7 +24,7 @@ ok3() -> ok4() -> dict:fetch(foo, dict:new()). -ok5() -> % this is OK since some_mod:new/0 might be returning a dict() +ok5() -> % this is OK since some_mod:new/0 might be returning a dict:dict() dict:fetch(foo, some_mod:new()). ok6() -> diff --git a/lib/dialyzer/test/opaque_SUITE_data/src/ets/ets_use.erl b/lib/dialyzer/test/opaque_SUITE_data/src/ets/ets_use.erl index 4eb202f16a..593d9a669d 100644 --- a/lib/dialyzer/test/opaque_SUITE_data/src/ets/ets_use.erl +++ b/lib/dialyzer/test/opaque_SUITE_data/src/ets/ets_use.erl @@ -17,6 +17,6 @@ t3() -> is_atom(n()). % no warning since atom() is possible t4() -> - is_integer(n()). % opaque warning since tid() is opaque + is_integer(n()). % opaque warning since ets:tid() is opaque -n() -> ets:new(n, [named_table]). % -> atom() | tid() +n() -> ets:new(n, [named_table]). % -> atom() | ets:tid() diff --git a/lib/dialyzer/test/opaque_SUITE_data/src/ewgi/ewgi.hrl b/lib/dialyzer/test/opaque_SUITE_data/src/ewgi/ewgi.hrl index 0b98f550f1..5cbc79f948 100644 --- a/lib/dialyzer/test/opaque_SUITE_data/src/ewgi/ewgi.hrl +++ b/lib/dialyzer/test/opaque_SUITE_data/src/ewgi/ewgi.hrl @@ -28,7 +28,7 @@ %% @type bag() = gb_tree() -ifdef(HAS_GB_TREE_SPEC). --type bag() :: gb_tree(). +-type bag() :: gb_trees:tree(). -else. -type bag() :: {non_neg_integer(), {any(), any(), any(), any()} | 'nil'}. -endif. diff --git a/lib/dialyzer/test/opaque_SUITE_data/src/ewgi2/ewgi.hrl b/lib/dialyzer/test/opaque_SUITE_data/src/ewgi2/ewgi.hrl index 5da8ff0ecf..d8e15cb081 100644 --- a/lib/dialyzer/test/opaque_SUITE_data/src/ewgi2/ewgi.hrl +++ b/lib/dialyzer/test/opaque_SUITE_data/src/ewgi2/ewgi.hrl @@ -29,7 +29,7 @@ %% @type bag() = gb_tree() -ifdef(HAS_GB_TREE_SPEC). --type bag() :: gb_tree(). +-type bag() :: gb_trees:tree(). -else. -type bag() :: {non_neg_integer(), {any(), any(), any(), any()} | 'nil'}. -endif. diff --git a/lib/dialyzer/test/opaque_SUITE_data/src/gb_sets/gb_sets_rec.erl b/lib/dialyzer/test/opaque_SUITE_data/src/gb_sets/gb_sets_rec.erl index 008b0a486a..7c34b01c2d 100644 --- a/lib/dialyzer/test/opaque_SUITE_data/src/gb_sets/gb_sets_rec.erl +++ b/lib/dialyzer/test/opaque_SUITE_data/src/gb_sets/gb_sets_rec.erl @@ -12,12 +12,12 @@ -export([new/0, get_g/1]). --record(rec, {g :: gb_set()}). +-record(rec, {g :: gb_sets:set()}). -spec new() -> #rec{}. new() -> #rec{g = gb_sets:empty()}. --spec get_g(#rec{}) -> gb_set(). +-spec get_g(#rec{}) -> gb_sets:set(). get_g(R) -> R#rec.g. diff --git a/lib/dialyzer/test/opaque_SUITE_data/src/inf_loop1.erl b/lib/dialyzer/test/opaque_SUITE_data/src/inf_loop1.erl index 0dff16cf14..3275736e75 100644 --- a/lib/dialyzer/test/opaque_SUITE_data/src/inf_loop1.erl +++ b/lib/dialyzer/test/opaque_SUITE_data/src/inf_loop1.erl @@ -1,7 +1,7 @@ %% -*- erlang-indent-level: 2 -*- %%---------------------------------------------------------------------------- %% Non-sensical (i.e., stripped-down) program that sends the analysis -%% into an infinite loop. The #we.es field was originally a gb_tree() +%% into an infinite loop. The #we.es field was originally a gb_trees:tree() %% but the programmer declared it as an array in order to change it to %% that data type instead. In the file, there are two calls to function %% gb_trees:get/2 which seem to be the ones responsible for sending the @@ -14,7 +14,7 @@ -export([command/1]). -record(we, {id, - es = array:new() :: array(), + es = array:new() :: array:array(), vp, mirror = none}). -record(edge, {vs,ve,a = none,b = none,lf,rf,ltpr,ltsu,rtpr,rtsu}). diff --git a/lib/dialyzer/test/opaque_SUITE_data/src/inf_loop2.erl b/lib/dialyzer/test/opaque_SUITE_data/src/inf_loop2.erl index 659ccaf015..3787fc6750 100644 --- a/lib/dialyzer/test/opaque_SUITE_data/src/inf_loop2.erl +++ b/lib/dialyzer/test/opaque_SUITE_data/src/inf_loop2.erl @@ -4,7 +4,7 @@ %% restored. %% Non-sensical (i.e., stripped-down) program that sends the analysis -%% into an infinite loop. The #we.es field was originally a gb_tree() +%% into an infinite loop. The #we.es field was originally a gb_trees:tree() %% but the programmer declared it as an array in order to change it to %% that data type instead. In the file, there are two calls to function %% gb_trees:get/2 which seem to be the ones responsible for sending the @@ -17,7 +17,7 @@ -export([command/1]). -record(we, {id, - es = array:new() :: array(), + es = array:new() :: array:array(), vp, mirror = none}). -record(edge, {vs,ve,a = none,b = none,lf,rf,ltpr,ltsu,rtpr,rtsu}). diff --git a/lib/dialyzer/test/opaque_SUITE_data/src/modules/opaque_erl_scan.erl b/lib/dialyzer/test/opaque_SUITE_data/src/modules/opaque_erl_scan.erl index 9ecd4f92a1..24d0793a7c 100644 --- a/lib/dialyzer/test/opaque_SUITE_data/src/modules/opaque_erl_scan.erl +++ b/lib/dialyzer/test/opaque_SUITE_data/src/modules/opaque_erl_scan.erl @@ -1,4 +1,4 @@ -%% -*- coding: utf-8 -*- +%% %% %% %CopyrightBegin% %% diff --git a/lib/dialyzer/test/opaque_SUITE_data/src/multiple_wrong_opaques.erl b/lib/dialyzer/test/opaque_SUITE_data/src/multiple_wrong_opaques.erl index 9e695cec1d..e9f7ad825b 100644 --- a/lib/dialyzer/test/opaque_SUITE_data/src/multiple_wrong_opaques.erl +++ b/lib/dialyzer/test/opaque_SUITE_data/src/multiple_wrong_opaques.erl @@ -2,7 +2,7 @@ -export([weird/1]). --spec weird(dict() | gb_tree()) -> 42. +-spec weird(dict:dict() | gb_trees:tree()) -> 42. weird(gazonk) -> 42. diff --git a/lib/dialyzer/test/opaque_SUITE_data/src/para/para1.erl b/lib/dialyzer/test/opaque_SUITE_data/src/para/para1.erl new file mode 100644 index 0000000000..68e2c60368 --- /dev/null +++ b/lib/dialyzer/test/opaque_SUITE_data/src/para/para1.erl @@ -0,0 +1,93 @@ +-module(para1). + +-compile(export_all). + +%% Parameterized opaque types + +-export_type([t/0, t/1]). + +-opaque t() :: {integer(), integer()}. + +-opaque t(A) :: {A, A}. + +-type y(A) :: {A, A}. + +tt1() -> + I = t1(), + A = t2(), + A =:= I. % never 'true' + +tt2() -> + I = t0(), + A = t2(), + A =:= I. % never 'true' + +tt3() -> + I1 = t0(), + I2 = t1(), + I1 =:= I2. % never true + +tt4() -> + I1 = y1(), + I2 = y2(), + I1 =:= I2. % cannot evaluate to true + +adt_tt1() -> + I = adt_t1(), + A = adt_t2(), + A =:= I. % opaque attempt + +adt_tt2() -> + I = adt_t0(), + A = adt_t2(), + A =:= I. % opaque attempt + +adt_tt3() -> + I1 = adt_t0(), + I2 = adt_t1(), + I1 =:= I2. % opaque attempt + +adt_tt4() -> + I1 = adt_y1(), + I2 = adt_y2(), + I1 =:= I2. % cannot evaluate to true + +-spec t0() -> t(). + +t0() -> + {3, 2}. + +-spec t1() -> t(integer()). + +t1() -> + {3, 3}. + +-spec t2() -> t(atom()). + +t2() -> + {a, b}. + +-spec y1() -> y(integer()). + +y1() -> + {3, 2}. + +-spec y2() -> y(atom()). + +y2() -> + {a, b}. + +adt_t0() -> + para1_adt:t0(). + +adt_t1() -> + para1_adt:t1(). + +adt_t2() -> + para1_adt:t2(). + +adt_y1() -> + para1_adt:y1(). + +adt_y2() -> + para1_adt:y2(). diff --git a/lib/dialyzer/test/opaque_SUITE_data/src/para/para1_adt.erl b/lib/dialyzer/test/opaque_SUITE_data/src/para/para1_adt.erl new file mode 100644 index 0000000000..95ac6b7982 --- /dev/null +++ b/lib/dialyzer/test/opaque_SUITE_data/src/para/para1_adt.erl @@ -0,0 +1,36 @@ +-module(para1_adt). + +-export([t0/0, t1/0, t2/0, y1/0, y2/0]). + +-export_type([t/0, t/1, y/1]). + +-opaque t() :: {integer(), integer()}. + +-opaque t(A) :: {A, A}. + +-type y(A) :: {A, A}. + +-spec t0() -> t(). + +t0() -> + {3, 2}. + +-spec t1() -> t(integer()). + +t1() -> + {3, 3}. + +-spec t2() -> t(atom()). + +t2() -> + {a, b}. + +-spec y1() -> y(integer()). + +y1() -> + {3, 2}. + +-spec y2() -> y(atom()). + +y2() -> + {a, b}. diff --git a/lib/dialyzer/test/opaque_SUITE_data/src/para/para2.erl b/lib/dialyzer/test/opaque_SUITE_data/src/para/para2.erl new file mode 100644 index 0000000000..09b2235fa5 --- /dev/null +++ b/lib/dialyzer/test/opaque_SUITE_data/src/para/para2.erl @@ -0,0 +1,123 @@ +-module(para2). + +-compile(export_all). + +%% More parameterized opaque types + +-export_type([strange/1]). + +-export_type([c1/0, c2/0]). + +-export_type([circ/1, circ/2]). + +-opaque strange(A) :: {B, B, A}. + +-spec t(strange(integer())) -> strange(atom()). + +t({3, 4, 5}) -> + {a, b, c}. + +-opaque c1() :: c2(). +-opaque c2() :: c1(). + +c() -> + A = c1(), + B = c2(), + A =:= B. + +t() -> + A = ct1(), + B = ct2(), + A =:= B. % can never evaluate to 'true' + +-spec c1() -> c1(). + +c1() -> + a. + +-spec c2() -> c2(). + +c2() -> + a. + +-type ct1() :: ct2(). +-type ct2() :: ct1(). + +-spec ct1() -> ct1(). + +ct1() -> + a. + +-spec ct2() -> ct2(). + +ct2() -> + b. + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +c_adt() -> + A = c1_adt(), + B = c2_adt(), + A =:= B. % opaque attempt + +t_adt() -> + A = ct1_adt(), + B = ct2_adt(), + A =:= B. % can never evaluate to true + +c1_adt() -> + para2_adt:c1(). + +c2_adt() -> + para2_adt:c2(). + +ct1_adt() -> + para2_adt:ct1(). + +ct2_adt() -> + para2_adt:ct2(). + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +-opaque circ(A) :: circ(A, A). +-opaque circ(A, B) :: circ({A, B}). + +tcirc() -> + A = circ1(), + B = circ2(), + A =:= B. % can never evaluate to 'true' (but the types are not OK, or?) + +-spec circ1() -> circ(integer()). + +circ1() -> + 3. + +-spec circ2() -> circ(integer(), integer()). + +circ2() -> + {3, 3}. + +tcirc_adt() -> + A = circ1_adt(), + B = circ2_adt(), + A =:= B. % opaque attempt (one would expect them to be the same...) + +circ1_adt() -> + para2_adt:circ1(). + +circ2_adt() -> + para2_adt:circ2(). + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +u_adt() -> + A = u1_adt(), + B = u2_adt(), + %% The resulting types are equal, but not the parameters: + A =:= B. % opaque attempt + +u1_adt() -> + para2_adt:u1(). + +u2_adt() -> + para2_adt:u2(). diff --git a/lib/dialyzer/test/opaque_SUITE_data/src/para/para2_adt.erl b/lib/dialyzer/test/opaque_SUITE_data/src/para/para2_adt.erl new file mode 100644 index 0000000000..96df437c67 --- /dev/null +++ b/lib/dialyzer/test/opaque_SUITE_data/src/para/para2_adt.erl @@ -0,0 +1,64 @@ +-module(para2_adt). + +%% More parameterized opaque types + +-export_type([c1/0, c2/0]). + +-export_type([ct1/0, ct2/0]). + +-export_type([circ/1, circ/2]). + +-export_type([un/2]). + +-export([c1/0, c2/0, ct1/0, ct2/0, circ1/0, circ2/0, u1/0, u2/0]). + +-opaque c1() :: c2(). +-opaque c2() :: c1(). + +-spec c1() -> c1(). + +c1() -> + a. + +-spec c2() -> c2(). + +c2() -> + a. + +-type ct1() :: ct2(). +-type ct2() :: ct1(). + +-spec ct1() -> ct1(). + +ct1() -> + a. + +-spec ct2() -> ct2(). + +ct2() -> + b. + +-opaque circ(A) :: circ(A, A). +-opaque circ(A, B) :: circ({A, B}). + +-spec circ1() -> circ(integer()). + +circ1() -> + 3. + +-spec circ2() -> circ(integer(), integer()). + +circ2() -> + {3, 3}. + +-opaque un(A, B) :: A | B. + +-spec u1() -> un(integer(), atom()). + +u1() -> + 3. + +-spec u2() -> un(atom(), integer()). + +u2() -> + 3. diff --git a/lib/dialyzer/test/opaque_SUITE_data/src/para/para3.erl b/lib/dialyzer/test/opaque_SUITE_data/src/para/para3.erl new file mode 100644 index 0000000000..792ae40d39 --- /dev/null +++ b/lib/dialyzer/test/opaque_SUITE_data/src/para/para3.erl @@ -0,0 +1,77 @@ +-module(para3). + +-export([t/0, t1/1, t2/0, ot1/1, ot2/0, t1_adt/0, t2_adt/0]). + +-export([exp_adt/0]). + +%% More opaque tests. + +-export_type([ot1/0, ot1/1, ot1/2, ot1/3, ot1/4, ot1/5]). + +-opaque ot1() :: {ot1(_)}. + +-opaque ot1(A) :: {ot1(A, A)}. + +-opaque ot1(A, B) :: {ot1(A, B, A)}. + +-opaque ot1(A, B, C) :: {ot1(A, B, C, A)}. + +-opaque ot1(A, B, C, D) :: {ot1(A, B, C, D, A)}. + +-opaque ot1(A, B, C, D, E) :: {A, B, C, D, E}. + +-spec ot1(_) -> ot1(). + +ot1(A) -> + {{{{{A, A, A, A, A}}}}}. + +-spec ot2() -> ot1(). % invalid type spec + +ot2() -> + foo. + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +t() -> + {{{17}}} = t1(3). %% pattern can never match + +-type t1() :: {t1(_)}. + +-type t1(A) :: {t1(A, A)}. + +-type t1(A, B) :: {t1(A, B, A)}. + +-type t1(A, B, C) :: {t1(A, B, C, A)}. + +-type t1(A, B, C, D) :: {t1(A, B, C, D, A)}. + +-type t1(A, B, C, D, E) :: {A, B, C, D, E}. + +-spec t1(_) -> t1(). + +t1(A) -> + {{{{{A, A, A, A, A}}}}}. + +-spec t2() -> t1(). % invalid type spec + +t2() -> + foo. + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +%% Shows that the list TypeNames in t_from_form must include ArgsLen. + +t1_adt() -> + {{{{{17}}}}} = para3_adt:t1(3). % breaks the opaqueness + +t2_adt() -> + {{{{17}}}} = para3_adt:t1(3). % can never match + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +-type exp() :: para3_adt:exp1(para3_adt:exp2()). + +-spec exp_adt() -> exp(). + +exp_adt() -> + 3. diff --git a/lib/dialyzer/test/opaque_SUITE_data/src/para/para3_adt.erl b/lib/dialyzer/test/opaque_SUITE_data/src/para/para3_adt.erl new file mode 100644 index 0000000000..3919b846e6 --- /dev/null +++ b/lib/dialyzer/test/opaque_SUITE_data/src/para/para3_adt.erl @@ -0,0 +1,27 @@ +-module(para3_adt). + +-export([t1/1]). + +-export_type([t1/0, t1/1, t1/2, t1/3, t1/4, ot1/5]). + +-export_type([exp1/1, exp2/0]). + +-type t1() :: {t1(_)}. + +-type t1(A) :: {t1(A, A)}. + +-type t1(A, B) :: {t1(A, B, A)}. + +-type t1(A, B, C) :: {t1(A, B, C, A)}. + +-type t1(A, B, C, D) :: {ot1(A, B, C, D, A)}. + +-opaque ot1(A, B, C, D, E) :: {A, B, C, D, E}. + +-spec t1(_) -> t1(). + +t1(A) -> + {{{{{A, A, A, A, A}}}}}. + +-opaque exp1(T) :: T. +-opaque exp2() :: integer(). diff --git a/lib/dialyzer/test/opaque_SUITE_data/src/simple/exact_api.erl b/lib/dialyzer/test/opaque_SUITE_data/src/simple/exact_api.erl index 5f7ab4f3aa..c19330eb30 100644 --- a/lib/dialyzer/test/opaque_SUITE_data/src/simple/exact_api.erl +++ b/lib/dialyzer/test/opaque_SUITE_data/src/simple/exact_api.erl @@ -10,14 +10,14 @@ ntab = notable :: ets:tab(), cyclic = true :: boolean()}). --spec new() -> digraph(). +-spec new() -> digraph:graph(). new() -> A = #digraph{}, set_type(A), % does not have an opaque term as 1st argument A. --spec set_type(digraph()) -> true. +-spec set_type(digraph:graph()) -> true. set_type(G) -> digraph:delete(G). diff --git a/lib/dialyzer/test/opaque_SUITE_data/src/wings/wings_util.erl b/lib/dialyzer/test/opaque_SUITE_data/src/wings/wings_util.erl index 8f0da1f5dc..ca6bc0ab4a 100644 --- a/lib/dialyzer/test/opaque_SUITE_data/src/wings/wings_util.erl +++ b/lib/dialyzer/test/opaque_SUITE_data/src/wings/wings_util.erl @@ -14,12 +14,12 @@ rel2fam(Rel) -> sofs:to_external(sofs:relation_to_family(sofs:relation(Rel))). -%% a definition that does not violate the opaqueness of gb_tree() +%% a definition that does not violate the opaqueness of gb_trees:tree() gb_trees_smallest_key(Tree) -> {Key, _V} = gb_trees:smallest(Tree), Key. -%% a definition that violates the opaqueness of gb_tree() +%% a definition that violates the opaqueness of gb_trees:tree() gb_trees_largest_key({_, Tree}) -> largest_key1(Tree). diff --git a/lib/dialyzer/test/opaque_SUITE_data/src/zoltan_kis2.erl b/lib/dialyzer/test/opaque_SUITE_data/src/zoltan_kis2.erl index 38c6051c58..e094d1982b 100644 --- a/lib/dialyzer/test/opaque_SUITE_data/src/zoltan_kis2.erl +++ b/lib/dialyzer/test/opaque_SUITE_data/src/zoltan_kis2.erl @@ -2,7 +2,7 @@ -export([get/2]). --opaque data() :: gb_tree(). +-opaque data() :: gb_trees:tree(). -spec get(term(), data()) -> term(). diff --git a/lib/dialyzer/test/options1_SUITE_data/dialyzer_options b/lib/dialyzer/test/options1_SUITE_data/dialyzer_options index c612e77d3e..65d233ac0d 100644 --- a/lib/dialyzer/test/options1_SUITE_data/dialyzer_options +++ b/lib/dialyzer/test/options1_SUITE_data/dialyzer_options @@ -1,2 +1,2 @@ -{dialyzer_options, [{include_dirs, ["my_include"]}, {defines, [{'COMPILER_VSN', 42}]}, {warnings, [no_improper_lists]}]}. +{dialyzer_options, [{include_dirs, ["my_include"]}, {defines, [{'COMPILER_VSN', 42}]}, {warnings, [no_improper_lists, no_unknown]}]}. {time_limit, 30}. diff --git a/lib/dialyzer/test/r9c_SUITE_data/dialyzer_options b/lib/dialyzer/test/r9c_SUITE_data/dialyzer_options index e00e23bb66..ba0e6b1ad7 100644 --- a/lib/dialyzer/test/r9c_SUITE_data/dialyzer_options +++ b/lib/dialyzer/test/r9c_SUITE_data/dialyzer_options @@ -1,2 +1,2 @@ -{dialyzer_options, [{defines, [{vsn, 42}]}]}. +{dialyzer_options, [{defines, [{vsn, 42}]}, {warnings, [no_unknown]}]}. {time_limit, 20}. diff --git a/lib/dialyzer/test/race_SUITE_data/dialyzer_options b/lib/dialyzer/test/race_SUITE_data/dialyzer_options index 44e1720715..6992fc6c40 100644 --- a/lib/dialyzer/test/race_SUITE_data/dialyzer_options +++ b/lib/dialyzer/test/race_SUITE_data/dialyzer_options @@ -1 +1 @@ -{dialyzer_options, [{warnings, [race_conditions]}]}. +{dialyzer_options, [{warnings, [race_conditions, no_unknown]}]}. diff --git a/lib/dialyzer/test/race_SUITE_data/results/ets_insert_control_flow3 b/lib/dialyzer/test/race_SUITE_data/results/ets_insert_control_flow3 index d640f564cd..0382627cfc 100644 --- a/lib/dialyzer/test/race_SUITE_data/results/ets_insert_control_flow3 +++ b/lib/dialyzer/test/race_SUITE_data/results/ets_insert_control_flow3 @@ -1,3 +1,3 @@ -ets_insert_control_flow3.erl:21: The call ets:insert(Table::atom() | tid(),{'root',[pos_integer()]}) might have an unintended effect due to a possible race condition caused by its combination with the ets:lookup(Table::atom() | tid(),'root') call in ets_insert_control_flow3.erl on line 12 -ets_insert_control_flow3.erl:23: The call ets:insert(Table::atom() | tid(),{'user',[pos_integer()]}) might have an unintended effect due to a possible race condition caused by its combination with the ets:lookup(Table::atom() | tid(),'user') call in ets_insert_control_flow3.erl on line 13 +ets_insert_control_flow3.erl:21: The call ets:insert(Table::atom() | ets:tid(),{'root',[pos_integer()]}) might have an unintended effect due to a possible race condition caused by its combination with the ets:lookup(Table::atom() | ets:tid(),'root') call in ets_insert_control_flow3.erl on line 12 +ets_insert_control_flow3.erl:23: The call ets:insert(Table::atom() | ets:tid(),{'user',[pos_integer()]}) might have an unintended effect due to a possible race condition caused by its combination with the ets:lookup(Table::atom() | ets:tid(),'user') call in ets_insert_control_flow3.erl on line 13 diff --git a/lib/dialyzer/test/race_SUITE_data/results/ets_insert_control_flow4 b/lib/dialyzer/test/race_SUITE_data/results/ets_insert_control_flow4 index 6f34e75902..22944fd066 100644 --- a/lib/dialyzer/test/race_SUITE_data/results/ets_insert_control_flow4 +++ b/lib/dialyzer/test/race_SUITE_data/results/ets_insert_control_flow4 @@ -1,3 +1,3 @@ -ets_insert_control_flow4.erl:21: The call ets:insert(Table::atom() | tid(),{'pass',[pos_integer()]}) might have an unintended effect due to a possible race condition caused by its combination with the ets:lookup(Table::atom() | tid(),'pass') call in ets_insert_control_flow4.erl on line 12, the ets:lookup(Table::atom() | tid(),'pass') call in ets_insert_control_flow4.erl on line 13 -ets_insert_control_flow4.erl:23: The call ets:insert(Table::atom() | tid(),{'pass',[pos_integer()]}) might have an unintended effect due to a possible race condition caused by its combination with the ets:lookup(Table::atom() | tid(),'pass') call in ets_insert_control_flow4.erl on line 12, the ets:lookup(Table::atom() | tid(),'pass') call in ets_insert_control_flow4.erl on line 13 +ets_insert_control_flow4.erl:21: The call ets:insert(Table::atom() | ets:tid(),{'pass',[pos_integer()]}) might have an unintended effect due to a possible race condition caused by its combination with the ets:lookup(Table::atom() | ets:tid(),'pass') call in ets_insert_control_flow4.erl on line 12, the ets:lookup(Table::atom() | ets:tid(),'pass') call in ets_insert_control_flow4.erl on line 13 +ets_insert_control_flow4.erl:23: The call ets:insert(Table::atom() | ets:tid(),{'pass',[pos_integer()]}) might have an unintended effect due to a possible race condition caused by its combination with the ets:lookup(Table::atom() | ets:tid(),'pass') call in ets_insert_control_flow4.erl on line 12, the ets:lookup(Table::atom() | ets:tid(),'pass') call in ets_insert_control_flow4.erl on line 13 diff --git a/lib/dialyzer/test/race_SUITE_data/results/ets_insert_control_flow5 b/lib/dialyzer/test/race_SUITE_data/results/ets_insert_control_flow5 index 5af592f43f..e172887f34 100644 --- a/lib/dialyzer/test/race_SUITE_data/results/ets_insert_control_flow5 +++ b/lib/dialyzer/test/race_SUITE_data/results/ets_insert_control_flow5 @@ -1,5 +1,5 @@ -ets_insert_control_flow5.erl:22: The call ets:insert(Table::atom() | tid(),{'welcome_msg',[any(),...]}) might have an unintended effect due to a possible race condition caused by its combination with the ets:lookup(Table::atom() | tid(),'welcome_msg') call in ets_insert_control_flow5.erl on line 16 -ets_insert_control_flow5.erl:23: The call ets:insert(Table::atom() | tid(),{'pass',[pos_integer()]}) might have an unintended effect due to a possible race condition caused by its combination with the ets:lookup(Table::atom() | tid(),'pass') call in ets_insert_control_flow5.erl on line 12, the ets:lookup(Table::atom() | tid(),'pass') call in ets_insert_control_flow5.erl on line 13 -ets_insert_control_flow5.erl:25: The call ets:insert(Table::atom() | tid(),{'welcome_msg',[any(),...]}) might have an unintended effect due to a possible race condition caused by its combination with the ets:lookup(Table::atom() | tid(),'welcome_msg') call in ets_insert_control_flow5.erl on line 16 -ets_insert_control_flow5.erl:26: The call ets:insert(Table::atom() | tid(),{'pass',[pos_integer()]}) might have an unintended effect due to a possible race condition caused by its combination with the ets:lookup(Table::atom() | tid(),'pass') call in ets_insert_control_flow5.erl on line 12, the ets:lookup(Table::atom() | tid(),'pass') call in ets_insert_control_flow5.erl on line 13 +ets_insert_control_flow5.erl:22: The call ets:insert(Table::atom() | ets:tid(),{'welcome_msg',[any(),...]}) might have an unintended effect due to a possible race condition caused by its combination with the ets:lookup(Table::atom() | ets:tid(),'welcome_msg') call in ets_insert_control_flow5.erl on line 16 +ets_insert_control_flow5.erl:23: The call ets:insert(Table::atom() | ets:tid(),{'pass',[pos_integer()]}) might have an unintended effect due to a possible race condition caused by its combination with the ets:lookup(Table::atom() | ets:tid(),'pass') call in ets_insert_control_flow5.erl on line 12, the ets:lookup(Table::atom() | ets:tid(),'pass') call in ets_insert_control_flow5.erl on line 13 +ets_insert_control_flow5.erl:25: The call ets:insert(Table::atom() | ets:tid(),{'welcome_msg',[any(),...]}) might have an unintended effect due to a possible race condition caused by its combination with the ets:lookup(Table::atom() | ets:tid(),'welcome_msg') call in ets_insert_control_flow5.erl on line 16 +ets_insert_control_flow5.erl:26: The call ets:insert(Table::atom() | ets:tid(),{'pass',[pos_integer()]}) might have an unintended effect due to a possible race condition caused by its combination with the ets:lookup(Table::atom() | ets:tid(),'pass') call in ets_insert_control_flow5.erl on line 12, the ets:lookup(Table::atom() | ets:tid(),'pass') call in ets_insert_control_flow5.erl on line 13 diff --git a/lib/dialyzer/test/race_SUITE_data/results/ets_insert_param b/lib/dialyzer/test/race_SUITE_data/results/ets_insert_param index 58f934a190..6a34337a2c 100644 --- a/lib/dialyzer/test/race_SUITE_data/results/ets_insert_param +++ b/lib/dialyzer/test/race_SUITE_data/results/ets_insert_param @@ -1,5 +1,5 @@ -ets_insert_param.erl:13: The call ets:insert(Table::atom() | tid(),{'welcome_msg',[any(),...]}) might have an unintended effect due to a possible race condition caused by its combination with the ets:lookup(Table::atom() | tid(),'welcome_msg') call in ets_insert_param.erl on line 10 -ets_insert_param.erl:14: The call ets:insert(Table::atom() | tid(),{'pass',[pos_integer()]}) might have an unintended effect due to a possible race condition caused by its combination with the ets:lookup(Table::atom() | tid(),'pass') call in ets_insert_param.erl on line 14, the ets:lookup(Table::atom() | tid(),'pass') call in ets_insert_param.erl on line 15 -ets_insert_param.erl:17: The call ets:insert(Table::atom() | tid(),{'welcome_msg',[any(),...]}) might have an unintended effect due to a possible race condition caused by its combination with the ets:lookup(Table::atom() | tid(),'welcome_msg') call in ets_insert_param.erl on line 10 -ets_insert_param.erl:18: The call ets:insert(Table::atom() | tid(),{'pass',[pos_integer()]}) might have an unintended effect due to a possible race condition caused by its combination with the ets:lookup(Table::atom() | tid(),'pass') call in ets_insert_param.erl on line 18 +ets_insert_param.erl:13: The call ets:insert(Table::atom() | ets:tid(),{'welcome_msg',[any(),...]}) might have an unintended effect due to a possible race condition caused by its combination with the ets:lookup(Table::atom() | ets:tid(),'welcome_msg') call in ets_insert_param.erl on line 10 +ets_insert_param.erl:14: The call ets:insert(Table::atom() | ets:tid(),{'pass',[pos_integer()]}) might have an unintended effect due to a possible race condition caused by its combination with the ets:lookup(Table::atom() | ets:tid(),'pass') call in ets_insert_param.erl on line 14, the ets:lookup(Table::atom() | ets:tid(),'pass') call in ets_insert_param.erl on line 15 +ets_insert_param.erl:17: The call ets:insert(Table::atom() | ets:tid(),{'welcome_msg',[any(),...]}) might have an unintended effect due to a possible race condition caused by its combination with the ets:lookup(Table::atom() | ets:tid(),'welcome_msg') call in ets_insert_param.erl on line 10 +ets_insert_param.erl:18: The call ets:insert(Table::atom() | ets:tid(),{'pass',[pos_integer()]}) might have an unintended effect due to a possible race condition caused by its combination with the ets:lookup(Table::atom() | ets:tid(),'pass') call in ets_insert_param.erl on line 18 diff --git a/lib/dialyzer/test/small_SUITE_data/dialyzer_options b/lib/dialyzer/test/small_SUITE_data/dialyzer_options index 50991c9bc5..0d91699e4d 100644 --- a/lib/dialyzer/test/small_SUITE_data/dialyzer_options +++ b/lib/dialyzer/test/small_SUITE_data/dialyzer_options @@ -1 +1 @@ -{dialyzer_options, []}. +{dialyzer_options, [{warnings, [no_unknown]}]}. 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..fbdd182358 100644 --- a/lib/dialyzer/test/small_SUITE_data/results/contracts_with_subtypes +++ b/lib/dialyzer/test/small_SUITE_data/results/contracts_with_subtypes @@ -1,27 +1,28 @@ contracts_with_subtypes.erl:106: The call contracts_with_subtypes:rec_arg({'a','b'}) breaks the contract (Arg) -> 'ok' when is_subtype(Arg,{'a',A} | {'b',B}), is_subtype(A,'a' | {'b',B}), is_subtype(B,'b' | {'a',A}) contracts_with_subtypes.erl:107: The call contracts_with_subtypes:rec_arg({'b','a'}) breaks the contract (Arg) -> 'ok' when is_subtype(Arg,{'a',A} | {'b',B}), is_subtype(A,'a' | {'b',B}), is_subtype(B,'b' | {'a',A}) -contracts_with_subtypes.erl:108: The call contracts_with_subtypes:rec_arg({'a',{'b','a'}}) breaks the contract (Arg) -> 'ok' when is_subtype(Arg,{'a',A} | {'b',B}), is_subtype(A,'a' | {'b',B}), is_subtype(B,'b' | {'a',A}) contracts_with_subtypes.erl:109: The call contracts_with_subtypes:rec_arg({'b',{'a','b'}}) breaks the contract (Arg) -> 'ok' when is_subtype(Arg,{'a',A} | {'b',B}), is_subtype(A,'a' | {'b',B}), is_subtype(B,'b' | {'a',A}) -contracts_with_subtypes.erl:110: The call contracts_with_subtypes:rec_arg({'a',{'b',{'a','b'}}}) breaks the contract (Arg) -> 'ok' when is_subtype(Arg,{'a',A} | {'b',B}), is_subtype(A,'a' | {'b',B}), is_subtype(B,'b' | {'a',A}) -contracts_with_subtypes.erl:111: The call contracts_with_subtypes:rec_arg({'b',{'a',{'b','a'}}}) breaks the contract (Arg) -> 'ok' when is_subtype(Arg,{'a',A} | {'b',B}), is_subtype(A,'a' | {'b',B}), is_subtype(B,'b' | {'a',A}) -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: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: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:135: The call contracts_with_subtypes:rec2({'a','b'}) breaks the contract (Arg) -> 'ok' when is_subtype(Arg,ab()) +contracts_with_subtypes.erl:136: The call contracts_with_subtypes:rec2({'b','a'}) breaks the contract (Arg) -> 'ok' when is_subtype(Arg,ab()) +contracts_with_subtypes.erl:137: The call contracts_with_subtypes:rec2({'a',{'b','a'}}) breaks the contract (Arg) -> 'ok' when is_subtype(Arg,ab()) +contracts_with_subtypes.erl:138: The call contracts_with_subtypes:rec2({'b',{'a','b'}}) breaks the contract (Arg) -> 'ok' when is_subtype(Arg,ab()) +contracts_with_subtypes.erl:171: The pattern 1 can never match the type string() +contracts_with_subtypes.erl:174: The pattern 'alpha' can never match the type {'ok',_} | {'ok',_,string()} +contracts_with_subtypes.erl:176: The pattern 42 can never match the type {'ok',_} | {'ok',_,string()} +contracts_with_subtypes.erl:192: The pattern 'alpha' can never match the type {'ok',_} +contracts_with_subtypes.erl:194: The pattern 42 can never match the type {'ok',_} +contracts_with_subtypes.erl:212: The pattern 'alpha' can never match the type {'ok',_} +contracts_with_subtypes.erl:214: The pattern 42 can never match the type {'ok',_} +contracts_with_subtypes.erl:231: The pattern 1 can never match the type string() +contracts_with_subtypes.erl:234: The pattern {'ok', _} can never match the type {'ok',_,string()} +contracts_with_subtypes.erl:235: The pattern 'alpha' can never match the type {'ok',_,string()} +contracts_with_subtypes.erl:236: The pattern {'ok', 42} can never match the type {'ok',_,string()} +contracts_with_subtypes.erl:237: The pattern 42 can never match the type {'ok',_,string()} contracts_with_subtypes.erl:23: Invalid type specification for function contracts_with_subtypes:extract2/0. The success typing is () -> 'something' -contracts_with_subtypes.erl:261: Function factored_ets_new_t/0 has no local return -contracts_with_subtypes.erl:262: The call contracts_with_subtypes:factored_ets_new(12,[]) breaks the contract (Name,Options) -> atom() when is_subtype(Name,atom()), is_subtype(Options,[Option]), is_subtype(Option,Type | Access | 'named_table' | {'keypos',Pos} | {'heir',Pid::pid(),HeirData} | {'heir','none'} | Tweaks), is_subtype(Type,type()), is_subtype(Access,access()), is_subtype(Tweaks,{'write_concurrency',boolean()} | {'read_concurrency',boolean()} | 'compressed'), is_subtype(Pos,pos_integer()), is_subtype(HeirData,term()) +contracts_with_subtypes.erl:263: Function flat_ets_new_t/0 has no local return +contracts_with_subtypes.erl:264: 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:290: Function factored_ets_new_t/0 has no local return +contracts_with_subtypes.erl:291: The call contracts_with_subtypes:factored_ets_new(12,[]) breaks the contract (Name,Options) -> atom() when is_subtype(Name,atom()), is_subtype(Options,[Option]), is_subtype(Option,Type | Access | 'named_table' | {'keypos',Pos} | {'heir',Pid::pid(),HeirData} | {'heir','none'} | Tweaks), is_subtype(Type,type()), is_subtype(Access,access()), is_subtype(Tweaks,{'write_concurrency',boolean()} | {'read_concurrency',boolean()} | 'compressed'), is_subtype(Pos,pos_integer()), is_subtype(HeirData,term()) contracts_with_subtypes.erl:77: The call contracts_with_subtypes:foo1(5) breaks the contract (Arg1) -> Res when is_subtype(Arg1,atom()), is_subtype(Res,atom()) contracts_with_subtypes.erl:78: The call contracts_with_subtypes:foo2(5) breaks the contract (Arg1) -> Res when is_subtype(Arg1,Arg2), is_subtype(Arg2,atom()), is_subtype(Res,atom()) contracts_with_subtypes.erl:79: The call contracts_with_subtypes:foo3(5) breaks the contract (Arg1) -> Res when is_subtype(Arg2,atom()), is_subtype(Arg1,Arg2), is_subtype(Res,atom()) diff --git a/lib/dialyzer/test/small_SUITE_data/results/contracts_with_subtypes2 b/lib/dialyzer/test/small_SUITE_data/results/contracts_with_subtypes2 new file mode 100644 index 0000000000..9f5433a13d --- /dev/null +++ b/lib/dialyzer/test/small_SUITE_data/results/contracts_with_subtypes2 @@ -0,0 +1,3 @@ + +contracts_with_subtypes2.erl:18: Function t/0 has no local return +contracts_with_subtypes2.erl:19: The call contracts_with_subtypes2:t({'a',{'b',{'c',{'d',{'e',{'g',3}}}}}}) breaks the contract (Arg) -> 'ok' when is_subtype(Arg,{'a',A}), is_subtype(A,{'b',B}), is_subtype(B,{'c',C}), is_subtype(C,{'d',D}), is_subtype(D,{'e',E}), is_subtype(E,{'f',_}) diff --git a/lib/dialyzer/test/small_SUITE_data/results/predef b/lib/dialyzer/test/small_SUITE_data/results/predef new file mode 100644 index 0000000000..85e210d6e4 --- /dev/null +++ b/lib/dialyzer/test/small_SUITE_data/results/predef @@ -0,0 +1,8 @@ + +predef.erl:19: Invalid type specification for function predef:array/1. The success typing is (array:array(_)) -> array:array(_) +predef.erl:24: Invalid type specification for function predef:dict/1. The success typing is (dict:dict(_,_)) -> dict:dict(_,_) +predef.erl:29: Invalid type specification for function predef:digraph/1. The success typing is (digraph:graph()) -> [any()] +predef.erl:39: Invalid type specification for function predef:gb_set/1. The success typing is (gb_sets:set(_)) -> gb_sets:set(_) +predef.erl:44: Invalid type specification for function predef:gb_tree/1. The success typing is (gb_trees:tree(_,_)) -> gb_trees:tree(_,_) +predef.erl:49: Invalid type specification for function predef:queue/1. The success typing is (queue:queue(_)) -> queue:queue(_) +predef.erl:54: Invalid type specification for function predef:set/1. The success typing is (sets:set(_)) -> sets:set(_) diff --git a/lib/dialyzer/test/small_SUITE_data/results/record_construct b/lib/dialyzer/test/small_SUITE_data/results/record_construct index c0110b144f..4c40fec298 100644 --- a/lib/dialyzer/test/small_SUITE_data/results/record_construct +++ b/lib/dialyzer/test/small_SUITE_data/results/record_construct @@ -1,6 +1,6 @@ record_construct.erl:15: Function t_opa/0 has no local return -record_construct.erl:16: Record construction #r_opa{b::gb_set(),c::42,e::'false'} violates the declared type of field c::boolean() +record_construct.erl:16: Record construction #r_opa{b::gb_sets:set(_),c::42,e::'false'} violates the declared type of field c::boolean() record_construct.erl:20: Function t_rem/0 has no local return record_construct.erl:21: Record construction #r_rem{a::'gazonk'} violates the declared type of field a::string() record_construct.erl:6: Function t_loc/0 has no local return diff --git a/lib/dialyzer/test/small_SUITE_data/src/contracts_with_subtypes.erl b/lib/dialyzer/test/small_SUITE_data/src/contracts_with_subtypes.erl index d72138d509..d7dfd9752e 100644 --- a/lib/dialyzer/test/small_SUITE_data/src/contracts_with_subtypes.erl +++ b/lib/dialyzer/test/small_SUITE_data/src/contracts_with_subtypes.erl @@ -103,15 +103,44 @@ c(babb) -> rec_arg({b, {a, {b, b}}}); c(ababb) -> rec_arg({a, {b, {a, {b, b}}}}); c(babaa) -> rec_arg({b, {a, {b, {a, a}}}}). -w(ab) -> rec_arg({a, b}); -w(ba) -> rec_arg({b, a}); -w(aba) -> rec_arg({a, {b, a}}); -w(bab) -> rec_arg({b, {a, b}}); -w(abab) -> rec_arg({a, {b, {a, b}}}); -w(baba) -> rec_arg({b, {a, {b, a}}}); +w(ab) -> rec_arg({a, b}); % breaks the contract +w(ba) -> rec_arg({b, a}); % breaks the contract +w(aba) -> rec_arg({a, {b, a}}); % no longer breaks the contract +w(bab) -> rec_arg({b, {a, b}}); % breaks the contract +w(abab) -> rec_arg({a, {b, {a, b}}}); % no longer breaks the contract +w(baba) -> rec_arg({b, {a, {b, a}}}); % no longer breaks the contract w(ababa) -> rec_arg({a, {b, {a, {b, a}}}}); w(babab) -> rec_arg({b, {a, {b, {a, b}}}}). +%% For comparison: the same thing with types + +-type ab() :: {a, a()} | {b, b()}. +-type a() :: a | {b, b()}. +-type b() :: b | {a, a()}. + +-spec rec2(Arg) -> ok when + Arg :: ab(). + +rec2(X) -> get(X). + +d(aa) -> rec2({a, a}); +d(bb) -> rec2({b, b}); +d(abb) -> rec2({a, {b, b}}); +d(baa) -> rec2({b, {a, a}}); +d(abaa) -> rec2({a, {b, {a, a}}}); +d(babb) -> rec2({b, {a, {b, b}}}); +d(ababb) -> rec2({a, {b, {a, {b, b}}}}); +d(babaa) -> rec2({b, {a, {b, {a, a}}}}). + +q(ab) -> rec2({a, b}); % breaks the contract +q(ba) -> rec2({b, a}); % breaks the contract +q(aba) -> rec2({a, {b, a}}); % breaks the contract +q(bab) -> rec2({b, {a, b}}); % breaks the contract +q(abab) -> rec2({a, {b, {a, b}}}); +q(baba) -> rec2({b, {a, {b, a}}}); +q(ababa) -> rec2({a, {b, {a, {b, a}}}}); +q(babab) -> rec2({b, {a, {b, {a, b}}}}). + %=============================================================================== -type dublo(X) :: {X, X}. @@ -143,7 +172,7 @@ st(X) when is_atom(X) -> _Other -> ok end; alpha -> bad; - {ok, 42} -> bad; + {ok, 42} -> ok; 42 -> bad end. @@ -161,7 +190,7 @@ dt(X) when is_atom(X) -> err2 -> ok; {ok, X} -> ok; alpha -> bad; - {ok, 42} -> bad; + {ok, 42} -> ok; 42 -> bad end. @@ -181,7 +210,7 @@ dt2(X) when is_atom(X) -> err2 -> ok; {ok, X} -> ok; alpha -> bad; - {ok, 42} -> bad; + {ok, 42} -> ok; 42 -> bad end. diff --git a/lib/dialyzer/test/small_SUITE_data/src/contracts_with_subtypes2.erl b/lib/dialyzer/test/small_SUITE_data/src/contracts_with_subtypes2.erl new file mode 100644 index 0000000000..d2f945b284 --- /dev/null +++ b/lib/dialyzer/test/small_SUITE_data/src/contracts_with_subtypes2.erl @@ -0,0 +1,40 @@ +-module(contracts_with_subtypes2). + +-compile(export_all). + +-behaviour(supervisor). + +-spec t(Arg) -> ok when + Arg :: {a, A}, + A :: {b, B}, + B :: {c, C}, + C :: {d, D}, + D :: {e, E}, + E :: {f, _}. + +t(X) -> + get(X). + +t() -> + t({a, {b, {c, {d, {e, {g, 3}}}}}}). % breaks the contract + +%% This one should possibly result in warnings about unused variables. +-spec l() -> ok when + X :: Y, + Y :: X. + +l() -> + ok. + +%% This is the example from seq12547 (ticket OTP-11798). +%% There used to be a warning. + +-spec init(term()) -> Result when + Result :: {ok, {{supervisor:strategy(), + non_neg_integer(), + pos_integer()}, + [supervisor:child_spec()]}} + | ignore. + +init(_) -> + foo:bar(). diff --git a/lib/dialyzer/test/small_SUITE_data/src/maps_redef.erl b/lib/dialyzer/test/small_SUITE_data/src/maps_redef.erl new file mode 100644 index 0000000000..70059f73b6 --- /dev/null +++ b/lib/dialyzer/test/small_SUITE_data/src/maps_redef.erl @@ -0,0 +1,12 @@ +-module(maps_redef). + +-export([t/0]). + +%% OK in Erlang/OTP 17, at least. + +-type map() :: atom(). % redefine built-in type + +-spec t() -> map(). + +t() -> + a. % OK diff --git a/lib/dialyzer/test/small_SUITE_data/src/on_load.erl b/lib/dialyzer/test/small_SUITE_data/src/on_load.erl index 16533a9caa..7242ac2016 100644 --- a/lib/dialyzer/test/small_SUITE_data/src/on_load.erl +++ b/lib/dialyzer/test/small_SUITE_data/src/on_load.erl @@ -1,4 +1,6 @@ %%% This is to ensure that "on_load" functions are never reported as unused. +%%% In addition, all functions called by a function in an on_load attribute +%%% should be considered as called by an entry point of the module. -module(on_load). @@ -8,4 +10,7 @@ foo() -> ok. -bar() -> ok. +bar() -> gazonk(17). + +gazonk(N) when N < 42 -> gazonk(N+1); +gazonk(42) -> ok. diff --git a/lib/dialyzer/test/small_SUITE_data/src/predef.erl b/lib/dialyzer/test/small_SUITE_data/src/predef.erl new file mode 100644 index 0000000000..ee9073aa67 --- /dev/null +++ b/lib/dialyzer/test/small_SUITE_data/src/predef.erl @@ -0,0 +1,67 @@ +-module(predef). + +-export([array/1, dict/1, digraph/1, digraph2/1, gb_set/1, gb_tree/1, + queue/1, set/1, tid/0, tid2/0]). + +-export_type([array/0, digraph/0, gb_set/0]). + +%% Before Erlang/OTP 17.0 local re-definitions of pre-defined opaque +%% types were ignored but did not generate any warning. +-opaque array() :: atom(). +-opaque digraph() :: atom(). +-opaque gb_set() :: atom(). +-type dict() :: atom(). +-type gb_tree() :: atom(). +-type queue() :: atom(). +-type set() :: atom(). +-type tid() :: atom(). + +-spec array(array()) -> array:array(). + +array(A) -> + array:relax(A). + +-spec dict(dict()) -> dict:dict(). + +dict(D) -> + dict:store(1, a, D). + +-spec digraph(digraph()) -> [digraph:edge()]. + +digraph(G) -> + digraph:edges(G). + +-spec digraph2(digraph:graph()) -> [digraph:edge()]. + +digraph2(G) -> + digraph:edges(G). + +-spec gb_set(gb_set()) -> gb_sets:set(). + +gb_set(S) -> + gb_sets:balance(S). + +-spec gb_tree(gb_tree()) -> gb_trees:tree(). + +gb_tree(S) -> + gb_trees:balance(S). + +-spec queue(queue()) -> queue:queue(). + +queue(Q) -> + queue:reverse(Q). + +-spec set(set()) -> sets:set(). + +set(S) -> + sets:union([S]). + +-spec tid() -> tid(). + +tid() -> + ets:new(tid, []). + +-spec tid2() -> ets:tid(). + +tid2() -> + ets:new(tid, []). diff --git a/lib/dialyzer/test/small_SUITE_data/src/predef2.erl b/lib/dialyzer/test/small_SUITE_data/src/predef2.erl new file mode 100644 index 0000000000..b1d941a49a --- /dev/null +++ b/lib/dialyzer/test/small_SUITE_data/src/predef2.erl @@ -0,0 +1,56 @@ +-module(predef2). + +-export([array/1, dict/1, digraph/1, digraph2/1, gb_set/1, gb_tree/1, + queue/1, set/1, tid/0, tid2/0]). + +-export_type([array/0, digraph/0, gb_set/0]). + +-spec array(array()) -> array:array(). + +array(A) -> + array:relax(A). + +-spec dict(dict()) -> dict:dict(). + +dict(D) -> + dict:store(1, a, D). + +-spec digraph(digraph()) -> [digraph:edge()]. + +digraph(G) -> + digraph:edges(G). + +-spec digraph2(digraph:graph()) -> [digraph:edge()]. + +digraph2(G) -> + digraph:edges(G). + +-spec gb_set(gb_set()) -> gb_sets:set(). + +gb_set(S) -> + gb_sets:balance(S). + +-spec gb_tree(gb_tree()) -> gb_trees:tree(). + +gb_tree(S) -> + gb_trees:balance(S). + +-spec queue(queue()) -> queue:queue(). + +queue(Q) -> + queue:reverse(Q). + +-spec set(set()) -> sets:set(). + +set(S) -> + sets:union([S]). + +-spec tid() -> tid(). + +tid() -> + ets:new(tid, []). + +-spec tid2() -> ets:tid(). + +tid2() -> + ets:new(tid, []). diff --git a/lib/dialyzer/test/small_SUITE_data/src/record_construct.erl b/lib/dialyzer/test/small_SUITE_data/src/record_construct.erl index 54cc2601bd..b250c6ee65 100644 --- a/lib/dialyzer/test/small_SUITE_data/src/record_construct.erl +++ b/lib/dialyzer/test/small_SUITE_data/src/record_construct.erl @@ -7,7 +7,7 @@ t_loc() -> #r_loc{}. -record(r_opa, {a :: atom(), - b = gb_sets:new() :: gb_set(), + b = gb_sets:new() :: gb_sets:set(), c = 42 :: boolean(), d, % untyped on purpose e = false :: boolean()}). diff --git a/lib/dialyzer/test/underspecs_SUITE_data/dialyzer_options b/lib/dialyzer/test/underspecs_SUITE_data/dialyzer_options index f7197ac30f..6843119b9d 100644 --- a/lib/dialyzer/test/underspecs_SUITE_data/dialyzer_options +++ b/lib/dialyzer/test/underspecs_SUITE_data/dialyzer_options @@ -1 +1 @@ -{dialyzer_options, [{warnings, [underspecs]}]}. +{dialyzer_options, [{warnings, [underspecs, no_unknown]}]}. diff --git a/lib/dialyzer/test/unmatched_returns_SUITE_data/dialyzer_options b/lib/dialyzer/test/unmatched_returns_SUITE_data/dialyzer_options new file mode 100644 index 0000000000..49ac917f61 --- /dev/null +++ b/lib/dialyzer/test/unmatched_returns_SUITE_data/dialyzer_options @@ -0,0 +1 @@ +{dialyzer_options, [{warnings, [unmatched_returns]}]}. diff --git a/lib/dialyzer/test/unmatched_returns_SUITE_data/results/lc_warnings b/lib/dialyzer/test/unmatched_returns_SUITE_data/results/lc_warnings new file mode 100644 index 0000000000..24b44c1b5c --- /dev/null +++ b/lib/dialyzer/test/unmatched_returns_SUITE_data/results/lc_warnings @@ -0,0 +1,5 @@ + +lc_warnings.erl:32: Expression produces a value of type [opaque_atom_adt:opaque_atom()], but this value is unmatched +lc_warnings.erl:43: Expression produces a value of type [array:array(_)], but this value is unmatched +lc_warnings.erl:65: Expression produces a value of type [lc_warnings:opaque_tuple()], but this value is unmatched +lc_warnings.erl:7: Expression produces a value of type ['ok' | {'error',atom()}], but this value is unmatched diff --git a/lib/dialyzer/test/unmatched_returns_SUITE_data/src/lc_warnings/lc_warnings.erl b/lib/dialyzer/test/unmatched_returns_SUITE_data/src/lc_warnings/lc_warnings.erl new file mode 100644 index 0000000000..cb01a8fde3 --- /dev/null +++ b/lib/dialyzer/test/unmatched_returns_SUITE_data/src/lc_warnings/lc_warnings.erl @@ -0,0 +1,95 @@ +-module(lc_warnings). +-compile([export_all]). + +close(Fs) -> + %% There should be a warning since we ignore a potential + %% {error,Error} return from file:close/1. + [file:close(F) || F <- Fs], + + %% No warning because the type of unmatched return will be ['ok'] + %% (which is a list of a simple type). + [ok = file:close(F) || F <- Fs], + + %% Suppressed. + _ = [file:close(F) || F <- Fs], + ok. + +format(X) -> + %% No warning since the result of the list comprehension is + %% a list of simple. + [io:format("~p\n", [E]) || E <- X], + + %% Warning explicitly suppressed. + _ = [io:format("~p\n", [E]) || E <- X], + ok. + +opaque1() -> + List = gen_atom(), + %% This is a list of an externally defined opaque type. Since + %% we are not allowed to peek inside opaque types, there should + %% be a warning (even though the type in this case happens to be + %% an atom). + [E || E <- List], + + %% Suppressed. + _ = [E || E <- List], + ok. + +opaque2() -> + List = gen_array(), + %% This is an list of an externally defined opaque type. Since + %% we are not allowed to peek inside opaque types, there should + %% be a warning. + [E || E <- List], + + %% Suppressed. + _ = [E || E <- List], + ok. + +opaque3() -> + List = gen_int(), + + %% No warning, since we are allowed to look into the type and can + %% see that it is a simple type. + [E || E <- List], + + %% Suppressed. + _ = [E || E <- List], + ok. + +opaque4() -> + List = gen_tuple(), + + %% There should be a warning, since we are allowed to look inside + %% the opaque type and see that it is a tuple (non-simple). + [E || E <- List], + + %% Suppressed. + _ = [E || E <- List], + ok. + +gen_atom() -> + [opaque_atom_adt:atom(ok)]. + +gen_array() -> + [array:new()]. + + +gen_int() -> + [opaque_int(42)]. + +gen_tuple() -> + [opaque_tuple(x, 25)]. + +-opaque opaque_int() :: integer(). + +-spec opaque_int(integer()) -> opaque_int(). + +opaque_int(Int) -> Int. + +-opaque opaque_tuple() :: {any(),any()}. + +-spec opaque_tuple(any(), any()) -> opaque_tuple(). + +opaque_tuple(X, Y) -> + {X,Y}. diff --git a/lib/dialyzer/test/unmatched_returns_SUITE_data/src/lc_warnings/opaque_atom_adt.erl b/lib/dialyzer/test/unmatched_returns_SUITE_data/src/lc_warnings/opaque_atom_adt.erl new file mode 100644 index 0000000000..b5b51fe75b --- /dev/null +++ b/lib/dialyzer/test/unmatched_returns_SUITE_data/src/lc_warnings/opaque_atom_adt.erl @@ -0,0 +1,9 @@ +-module(opaque_atom_adt). +-export([atom/1]). + +-opaque opaque_atom() :: atom(). + +-spec atom(atom()) -> opaque_atom(). + +atom(Atom) -> + Atom. diff --git a/lib/dialyzer/test/user_SUITE_data/dialyzer_options b/lib/dialyzer/test/user_SUITE_data/dialyzer_options index 513ed7752b..d20ecd389f 100644 --- a/lib/dialyzer/test/user_SUITE_data/dialyzer_options +++ b/lib/dialyzer/test/user_SUITE_data/dialyzer_options @@ -1,2 +1,2 @@ -{dialyzer_options, []}. +{dialyzer_options, [{warnings, [no_unknown]}]}. {time_limit, 3}.
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