diff options
Diffstat (limited to 'lib/dialyzer')
| -rw-r--r-- | lib/dialyzer/src/dialyzer.erl | 23 | ||||
| -rw-r--r-- | lib/dialyzer/src/dialyzer_analysis_callgraph.erl | 9 | ||||
| -rw-r--r-- | lib/dialyzer/src/dialyzer_behaviours.erl | 106 | ||||
| -rw-r--r-- | lib/dialyzer/src/dialyzer_dataflow.erl | 55 | ||||
| -rw-r--r-- | lib/dialyzer/src/dialyzer_races.erl | 5 | ||||
| -rw-r--r-- | lib/dialyzer/test/r9c_SUITE_data/results/asn1 | 4 | ||||
| -rw-r--r-- | lib/dialyzer/test/r9c_SUITE_data/results/inets | 16 | ||||
| -rw-r--r-- | lib/dialyzer/test/r9c_SUITE_data/results/mnesia | 1 | ||||
| -rw-r--r-- | lib/dialyzer/test/race_SUITE_data/results/ets_insert_args10 | 2 | ||||
| -rw-r--r-- | lib/dialyzer/test/race_SUITE_data/src/ets_insert_args10.erl | 19 | ||||
| -rw-r--r-- | lib/dialyzer/test/small_SUITE_data/results/contracts_with_subtypes | 2 | ||||
| -rw-r--r-- | lib/dialyzer/test/small_SUITE_data/results/fun_ref_match | 2 | ||||
| -rw-r--r-- | lib/dialyzer/test/small_SUITE_data/src/remote_tuple_set.erl | 8 | ||||
| -rw-r--r-- | lib/dialyzer/test/user_SUITE_data/results/wsp_pdu | 2 |
14 files changed, 67 insertions, 187 deletions
diff --git a/lib/dialyzer/src/dialyzer.erl b/lib/dialyzer/src/dialyzer.erl index 3e3c12405f..63c51e219a 100644 --- a/lib/dialyzer/src/dialyzer.erl +++ b/lib/dialyzer/src/dialyzer.erl @@ -2,7 +2,7 @@ %%----------------------------------------------------------------------- %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2006-2011. All Rights Reserved. +%% Copyright Ericsson AB 2006-2012. 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 @@ -162,14 +162,17 @@ run(Opts) -> {error, Msg} -> throw({dialyzer_error, Msg}); OptsRecord -> - case cl_check_init(OptsRecord) of - {ok, ?RET_NOTHING_SUSPICIOUS} -> - case dialyzer_cl:start(OptsRecord) of - {?RET_DISCREPANCIES, Warnings} -> Warnings; - {?RET_NOTHING_SUSPICIOUS, []} -> [] - end; - {error, ErrorMsg1} -> - throw({dialyzer_error, ErrorMsg1}) + case OptsRecord#options.check_plt of + true -> + case cl_check_init(OptsRecord) of + {ok, ?RET_NOTHING_SUSPICIOUS} -> ok; + {error, ErrorMsg1} -> throw({dialyzer_error, ErrorMsg1}) + end; + false -> ok + end, + case dialyzer_cl:start(OptsRecord) of + {?RET_DISCREPANCIES, Warnings} -> Warnings; + {?RET_NOTHING_SUSPICIOUS, []} -> [] end catch throw:{dialyzer_error, ErrorMsg} -> @@ -380,8 +383,6 @@ message_to_string({pattern_match_cov, [Pat, Type]}) -> message_to_string({unmatched_return, [Type]}) -> io_lib:format("Expression produces a value of type ~s," " but this value is unmatched\n", [Type]); -message_to_string({unused_fun, []}) -> - io_lib:format("Function will never be called\n", []); message_to_string({unused_fun, [F, A]}) -> io_lib:format("Function ~w/~w will never be called\n", [F, A]); %%----- Warnings for specs and contracts ------------------- diff --git a/lib/dialyzer/src/dialyzer_analysis_callgraph.erl b/lib/dialyzer/src/dialyzer_analysis_callgraph.erl index c237d4e0e9..86618a4915 100644 --- a/lib/dialyzer/src/dialyzer_analysis_callgraph.erl +++ b/lib/dialyzer/src/dialyzer_analysis_callgraph.erl @@ -326,13 +326,6 @@ cleanup_callgraph(#analysis_state{plt = InitPlt, parent = Parent, ModuleDeps = dialyzer_callgraph:module_deps(Callgraph), send_mod_deps(Parent, ModuleDeps), {Callgraph1, ExtCalls} = dialyzer_callgraph:remove_external(Callgraph), - RelevantAPICalls = - dialyzer_behaviours:get_behaviour_apis([gen_server]), - BehaviourAPICalls = [Call || {_From, To} = Call <- ExtCalls, - lists:member(To, RelevantAPICalls)], - Callgraph2 = - dialyzer_callgraph:put_behaviour_api_calls(BehaviourAPICalls, - Callgraph1), ExtCalls1 = [Call || Call = {_From, To} <- ExtCalls, not dialyzer_plt:contains_mfa(InitPlt, To)], {BadCalls1, RealExtCalls} = @@ -355,7 +348,7 @@ cleanup_callgraph(#analysis_state{plt = InitPlt, parent = Parent, true -> send_ext_calls(Parent, lists:usort([To || {_From, To} <- RealExtCalls])) end, - Callgraph2. + Callgraph1. compile_src(File, Includes, Defines, Callgraph, CServer, UseContracts) -> DefaultIncludes = default_includes(filename:dirname(File)), diff --git a/lib/dialyzer/src/dialyzer_behaviours.erl b/lib/dialyzer/src/dialyzer_behaviours.erl index b84071b95c..36aef2a37f 100644 --- a/lib/dialyzer/src/dialyzer_behaviours.erl +++ b/lib/dialyzer/src/dialyzer_behaviours.erl @@ -30,11 +30,9 @@ -module(dialyzer_behaviours). --export([check_callbacks/5, get_behaviour_apis/1, - translate_behaviour_api_call/5, translatable_behaviours/1, - translate_callgraph/3]). +-export([check_callbacks/5]). --export_type([behaviour/0, behaviour_api_dict/0]). +-export_type([behaviour/0]). %%-------------------------------------------------------------------- @@ -224,103 +222,3 @@ get_line([]) -> -1. get_file([{file, File}|_]) -> File; get_file([_|Tail]) -> get_file(Tail). - -%%----------------------------------------------------------------------------- - --spec translatable_behaviours(cerl:c_module()) -> behaviour_api_dict(). - -translatable_behaviours(Tree) -> - Attrs = cerl:module_attrs(Tree), - {Behaviours, _BehLines} = get_behaviours(Attrs), - [{B, Calls} || B <- Behaviours, (Calls = behaviour_api_calls(B)) =/= []]. - --spec get_behaviour_apis([behaviour()]) -> [mfa()]. - -get_behaviour_apis(Behaviours) -> - get_behaviour_apis(Behaviours, []). - --spec translate_behaviour_api_call(dialyzer_callgraph:mfa_or_funlbl(), - [erl_types:erl_type()], - [dialyzer_races:core_vars()], - module(), - behaviour_api_dict()) -> - {dialyzer_callgraph:mfa_or_funlbl(), - [erl_types:erl_type()], - [dialyzer_races:core_vars()]} - | 'plain_call'. - -translate_behaviour_api_call(_Fun, _ArgTypes, _Args, _Module, []) -> - plain_call; -translate_behaviour_api_call({Module, Fun, Arity}, ArgTypes, Args, - CallbackModule, BehApiInfo) -> - case lists:keyfind(Module, 1, BehApiInfo) of - false -> plain_call; - {Module, Calls} -> - case lists:keyfind({Fun, Arity}, 1, Calls) of - false -> plain_call; - {{Fun, Arity}, {CFun, CArity, COrder}} -> - {{CallbackModule, CFun, CArity}, - [nth_or_0(N, ArgTypes, erl_types:t_any()) || N <-COrder], - [nth_or_0(N, Args, bypassed) || N <-COrder]} - end - end; -translate_behaviour_api_call(_Fun, _ArgTypes, _Args, _Module, _BehApiInfo) -> - plain_call. - --spec translate_callgraph(behaviour_api_dict(), atom(), - dialyzer_callgraph:callgraph()) -> - dialyzer_callgraph:callgraph(). - -translate_callgraph([{Behaviour,_}|Behaviours], Module, Callgraph) -> - UsedCalls = [Call || {_From, {M, _F, _A}} = Call <- - dialyzer_callgraph:get_behaviour_api_calls(Callgraph), - M =:= Behaviour], - Calls = [{{Behaviour, API, Arity}, Callback} || - {{API, Arity}, Callback} <- behaviour_api_calls(Behaviour)], - DirectCalls = [{From, {Module, Fun, Arity}} || - {From, To} <- UsedCalls,{API, {Fun, Arity, _Ord}} <- Calls, - To =:= API], - dialyzer_callgraph:add_edges(DirectCalls, Callgraph), - translate_callgraph(Behaviours, Module, Callgraph); -translate_callgraph([], _Module, Callgraph) -> - Callgraph. - -get_behaviour_apis([], Acc) -> - Acc; -get_behaviour_apis([Behaviour | Rest], Acc) -> - MFAs = [{Behaviour, Fun, Arity} || - {{Fun, Arity}, _} <- behaviour_api_calls(Behaviour)], - get_behaviour_apis(Rest, MFAs ++ Acc). - -%------------------------------------------------------------------------------ - -nth_or_0(0, _List, Zero) -> - Zero; -nth_or_0(N, List, _Zero) -> - lists:nth(N, List). - -%------------------------------------------------------------------------------ - --type behaviour_api_dict()::[{behaviour(), behaviour_api_info()}]. --type behaviour_api_info()::[{original_fun(), replacement_fun()}]. --type original_fun()::{atom(), arity()}. --type replacement_fun()::{atom(), arity(), arg_list()}. --type arg_list()::[byte()]. - --spec behaviour_api_calls(behaviour()) -> behaviour_api_info(). - -behaviour_api_calls(gen_server) -> - [{{start_link, 3}, {init, 1, [2]}}, - {{start_link, 4}, {init, 1, [3]}}, - {{start, 3}, {init, 1, [2]}}, - {{start, 4}, {init, 1, [3]}}, - {{call, 2}, {handle_call, 3, [2, 0, 0]}}, - {{call, 3}, {handle_call, 3, [2, 0, 0]}}, - {{multi_call, 2}, {handle_call, 3, [2, 0, 0]}}, - {{multi_call, 3}, {handle_call, 3, [3, 0, 0]}}, - {{multi_call, 4}, {handle_call, 3, [3, 0, 0]}}, - {{cast, 2}, {handle_cast, 2, [2, 0]}}, - {{abcast, 2}, {handle_cast, 2, [2, 0]}}, - {{abcast, 3}, {handle_cast, 2, [3, 0]}}]; -behaviour_api_calls(_Other) -> - []. diff --git a/lib/dialyzer/src/dialyzer_dataflow.erl b/lib/dialyzer/src/dialyzer_dataflow.erl index 7131633da1..6956850f1a 100644 --- a/lib/dialyzer/src/dialyzer_dataflow.erl +++ b/lib/dialyzer/src/dialyzer_dataflow.erl @@ -91,9 +91,8 @@ warning_mode = false :: boolean(), warnings = [] :: [dial_warning()], work :: {[_], [_], set()}, - module :: module(), - behaviour_api_dict = [] :: - dialyzer_behaviours:behaviour_api_dict()}). + module :: module() + }). -record(map, {dict = dict:new() :: dict(), subst = dict:new() :: dict(), @@ -135,38 +134,15 @@ get_fun_types(Tree, Plt, Callgraph, Records) -> analyze_module(Tree, Plt, Callgraph, Records, GetWarnings) -> debug_pp(Tree, false), Module = cerl:atom_val(cerl:module_name(Tree)), - RaceDetection = dialyzer_callgraph:get_race_detection(Callgraph), - BehaviourTranslations = - case RaceDetection of - true -> dialyzer_behaviours:translatable_behaviours(Tree); - false -> [] - end, TopFun = cerl:ann_c_fun([{label, top}], [], Tree), - State = - state__new(Callgraph, TopFun, Plt, Module, Records, BehaviourTranslations), + State = state__new(Callgraph, TopFun, Plt, Module, Records), State1 = state__race_analysis(not GetWarnings, State), State2 = analyze_loop(State1), case GetWarnings of true -> State3 = state__set_warning_mode(State2), State4 = analyze_loop(State3), - - %% EXPERIMENTAL: Turn all behaviour API calls into calls to the - %% respective callback module's functions. - - case BehaviourTranslations of - [] -> dialyzer_races:race(State4); - Behaviours -> - Digraph = dialyzer_callgraph:get_digraph(State4#state.callgraph), - TranslatedCallgraph = - dialyzer_behaviours:translate_callgraph(Behaviours, Module, - Callgraph), - St = - dialyzer_races:race(State4#state{callgraph = TranslatedCallgraph}), - FinalCallgraph = dialyzer_callgraph:put_digraph(Digraph, - St#state.callgraph), - St#state{callgraph = FinalCallgraph} - end; + dialyzer_races:race(State4); false -> State2 end. @@ -530,21 +506,8 @@ handle_apply_or_call([{TypeOfApply, {Fun, Sig, Contr, LocalRet}}|Left], Ann = cerl:get_ann(Tree), File = get_file(Ann), Line = abs(get_line(Ann)), - - %% EXPERIMENTAL: Turn a behaviour's API call into a call to the - %% respective callback module's function. - - Module = State#state.module, - BehApiDict = State#state.behaviour_api_dict, - {RealFun, RealArgTypes, RealArgs} = - case dialyzer_behaviours:translate_behaviour_api_call(Fun, ArgTypes, - Args, Module, - BehApiDict) of - plain_call -> {Fun, ArgTypes, Args}; - BehaviourAPI -> BehaviourAPI - end, - dialyzer_races:store_race_call(RealFun, RealArgTypes, RealArgs, - {File, Line}, State); + dialyzer_races:store_race_call(Fun, ArgTypes, Args, + {File, Line}, State); false -> State end, FailedConj = any_none([RetWithoutLocal|NewArgTypes]), @@ -2711,7 +2674,7 @@ determine_mode(Type, Opaques) -> %%% %%% =========================================================================== -state__new(Callgraph, Tree, Plt, Module, Records, BehaviourTranslations) -> +state__new(Callgraph, Tree, Plt, Module, Records) -> Opaques = erl_types:module_builtin_opaques(Module) ++ erl_types:t_opaque_from_records(Records), TreeMap = build_tree_map(Tree), @@ -2725,7 +2688,7 @@ state__new(Callgraph, Tree, Plt, Module, Records, BehaviourTranslations) -> #state{callgraph = Callgraph, envs = Env, fun_tab = FunTab, opaques = Opaques, plt = Plt, races = dialyzer_races:new(), records = Records, warning_mode = false, warnings = [], work = Work, tree_map = TreeMap, - module = Module, behaviour_api_dict = BehaviourTranslations}. + module = Module}. state__warning_mode(#state{warning_mode = WM}) -> WM. @@ -2806,7 +2769,7 @@ state__get_warnings(#state{tree_map = TreeMap, fun_tab = FunTab, true -> {Warn, Msg} = case dialyzer_callgraph:lookup_name(FunLbl, Callgraph) of - error -> {true, {unused_fun, []}}; + error -> {false, {}}; {ok, {_M, F, A} = MFA} -> {not sets:is_element(MFA, NoWarnUnused), {unused_fun, [F, A]}} diff --git a/lib/dialyzer/src/dialyzer_races.erl b/lib/dialyzer/src/dialyzer_races.erl index cdb9f25999..2aa8343bce 100644 --- a/lib/dialyzer/src/dialyzer_races.erl +++ b/lib/dialyzer/src/dialyzer_races.erl @@ -1758,7 +1758,10 @@ compare_var_list(Var, VarList, RaceVarMap) -> ets_list_args(MaybeList) -> case is_list(MaybeList) of - true -> [ets_tuple_args(T) || T <- MaybeList]; + true -> + try [ets_tuple_args(T) || T <- MaybeList] + catch _:_ -> [?no_label] + end; false -> [ets_tuple_args(MaybeList)] end. diff --git a/lib/dialyzer/test/r9c_SUITE_data/results/asn1 b/lib/dialyzer/test/r9c_SUITE_data/results/asn1 index 292275dd6e..c11105b76d 100644 --- a/lib/dialyzer/test/r9c_SUITE_data/results/asn1 +++ b/lib/dialyzer/test/r9c_SUITE_data/results/asn1 @@ -68,7 +68,6 @@ asn1rt_check.erl:100: The variable _ can never match since previous clauses comp asn1rt_check.erl:85: The variable _ can never match since previous clauses completely covered the type [any()] asn1rt_driver_handler.erl:32: The pattern 'already_done' can never match the type {'error',_} asn1rt_per.erl:1065: The pattern {'BMPString', {'octets', Ol}} can never match the type {_,[{'bits',1 | 2 | 4 | 8 | 16 | 32,_}]} -asn1rt_per.erl:1066: Function will never be called asn1rt_per.erl:1231: The call erlang:'not'('implemented') will never return since it differs in the 1st argument from the success typing arguments: (boolean()) asn1rt_per.erl:1233: The call erlang:'not'('implemented') will never return since it differs in the 1st argument from the success typing arguments: (boolean()) asn1rt_per.erl:1235: The call erlang:'not'('implemented') will never return since it differs in the 1st argument from the success typing arguments: (boolean()) @@ -76,7 +75,6 @@ asn1rt_per.erl:1237: The call erlang:'not'('implemented') will never return sinc asn1rt_per.erl:989: The pattern <_C, 'true', _Val> can never match the type <_,'false',_> asn1rt_per_bin.erl:1361: The pattern <_, 'true', _> can never match the type <_,'false',_> asn1rt_per_bin.erl:1436: The pattern {'BMPString', {'octets', Ol}} can never match the type {'BMPString' | 'IA5String' | 'NumericString' | 'PrintableString' | 'UniversalString' | 'VisibleString',[{'bits',1 | 2 | 4 | 8 | 16 | 32,_}]} -asn1rt_per_bin.erl:1437: Function will never be called asn1rt_per_bin.erl:161: The call asn1rt_per_bin:getbit({0,maybe_improper_list()}) will never return since it differs in the 1st argument from the success typing arguments: (<<_:8,_:_*8>> | {non_neg_integer(),<<_:1,_:_*1>>}) asn1rt_per_bin.erl:1812: The pattern {Name, Val} can never match since previous clauses completely covered the type any() asn1rt_per_bin.erl:2106: Cons will produce an improper list since its 2nd argument is binary() @@ -94,7 +92,6 @@ asn1rt_per_bin.erl:487: The variable _ can never match since previous clauses co asn1rt_per_bin.erl:498: The variable _ can never match since previous clauses completely covered the type integer() asn1rt_per_bin_rt2ct.erl:152: The call asn1rt_per_bin_rt2ct:getbit({0,maybe_improper_list()}) will never return since it differs in the 1st argument from the success typing arguments: (<<_:8,_:_*8>> | {non_neg_integer(),<<_:1,_:_*1>>}) asn1rt_per_bin_rt2ct.erl:1533: The pattern {'BMPString', {'octets', Ol}} can never match the type {_,[[any(),...]]} -asn1rt_per_bin_rt2ct.erl:1534: Function will never be called asn1rt_per_bin_rt2ct.erl:1875: The pattern {Name, Val} can never match since previous clauses completely covered the type any() asn1rt_per_bin_rt2ct.erl:443: The variable _ can never match since previous clauses completely covered the type integer() asn1rt_per_bin_rt2ct.erl:464: The variable _ can never match since previous clauses completely covered the type integer() @@ -103,4 +100,3 @@ asn1rt_per_bin_rt2ct.erl:484: The variable _ can never match since previous clau asn1rt_per_bin_rt2ct.erl:495: The variable _ can never match since previous clauses completely covered the type integer() asn1rt_per_v1.erl:1209: The pattern <_, 'true', _> can never match the type <_,'false',_> asn1rt_per_v1.erl:1290: The pattern {'BMPString', {'octets', Ol}} can never match the type {'BMPString' | 'IA5String' | 'NumericString' | 'PrintableString' | 'UniversalString' | 'VisibleString',[{'bits',1 | 2 | 4 | 8 | 16 | 32,_}]} -asn1rt_per_v1.erl:1291: Function will never be called diff --git a/lib/dialyzer/test/r9c_SUITE_data/results/inets b/lib/dialyzer/test/r9c_SUITE_data/results/inets index 773525eb7f..d789d8d246 100644 --- a/lib/dialyzer/test/r9c_SUITE_data/results/inets +++ b/lib/dialyzer/test/r9c_SUITE_data/results/inets @@ -31,11 +31,11 @@ httpd_sup.erl:92: The variable Else can never match since previous clauses compl mod_auth.erl:559: The pattern {'error', Reason} can never match the type {_,integer(),maybe_improper_list(),_} mod_auth_dets.erl:120: The call lists:foreach(fun((_) -> 'true' | {'error','no_such_group' | 'no_such_group_member'}),{'ok',[any()]}) will never return since it differs in the 2nd argument from the success typing arguments: (fun((_) -> any()),[any()]) mod_auth_plain.erl:100: The variable _ can never match since previous clauses completely covered the type {'ok',[any()]} -mod_auth_plain.erl:159: The variable _ can never match since previous clauses completely covered the type [any()] -mod_auth_plain.erl:83: The variable O can never match since previous clauses completely covered the type [any()] +mod_auth_plain.erl:159: The variable _ can never match since previous clauses completely covered the type [[any()]] +mod_auth_plain.erl:83: The variable O can never match since previous clauses completely covered the type [[any()]] mod_cgi.erl:372: The pattern {'http_response', NewAccResponse} can never match the type 'ok' mod_dir.erl:101: The call lists:flatten(nonempty_improper_list(atom() | [any()] | char(),atom())) will never return since it differs in the 1st argument from the success typing arguments: ([any()]) -mod_dir.erl:72: The pattern {'error', Reason} can never match the type {'ok',[[[any()] | char()],...]} +mod_dir.erl:72: The pattern {'error', Reason} can never match the type {'ok',[[[any()] | non_neg_integer()],...]} mod_get.erl:135: The pattern <{'enfile', _}, _Info, Path> can never match the type <atom(),#mod{},atom() | binary() | [atom() | [any()] | char()]> mod_head.erl:80: The pattern <{'enfile', _}, _Info, Path> can never match the type <atom(),#mod{},atom() | binary() | [atom() | [any()] | char()]> mod_htaccess.erl:460: The pattern {'error', BadData} can never match the type {'ok',_} @@ -47,9 +47,9 @@ mod_include.erl:692: The pattern <{'read', Reason}, Info, Path> can never match mod_include.erl:706: The pattern <{'enfile', _}, _Info, Path> can never match the type <atom(),#mod{},atom() | binary() | [atom() | [any()] | char()]> mod_include.erl:716: Function read_error/3 will never be called mod_include.erl:719: Function read_error/4 will never be called -mod_security_server.erl:386: The variable O can never match since previous clauses completely covered the type [any()] -mod_security_server.erl:433: The variable Other can never match since previous clauses completely covered the type [any()] -mod_security_server.erl:585: The variable _ can never match since previous clauses completely covered the type [any()] -mod_security_server.erl:608: The variable _ can never match since previous clauses completely covered the type [any()] -mod_security_server.erl:641: The variable _ can never match since previous clauses completely covered the type [any()] +mod_security_server.erl:386: The variable O can never match since previous clauses completely covered the type [tuple()] +mod_security_server.erl:433: The variable Other can never match since previous clauses completely covered the type [tuple()] +mod_security_server.erl:585: The variable _ can never match since previous clauses completely covered the type [tuple()] +mod_security_server.erl:608: The variable _ can never match since previous clauses completely covered the type [tuple()] +mod_security_server.erl:641: The variable _ can never match since previous clauses completely covered the type [tuple()] uri.erl:146: The pattern {'error', Error} can never match since previous clauses completely covered the type {_,{[],[]}} diff --git a/lib/dialyzer/test/r9c_SUITE_data/results/mnesia b/lib/dialyzer/test/r9c_SUITE_data/results/mnesia index b397d37523..17f2bd2ea8 100644 --- a/lib/dialyzer/test/r9c_SUITE_data/results/mnesia +++ b/lib/dialyzer/test/r9c_SUITE_data/results/mnesia @@ -1,7 +1,6 @@ mnesia.erl:1319: Guard test size(Spec::[{_,_,_},...]) can never succeed mnesia.erl:1498: The call mnesia:bad_info_reply(Tab::atom(),Item::'type') will never return since it differs in the 2nd argument from the success typing arguments: (atom(),'memory' | 'size') -mnesia.erl:331: Function mod2abs/1 has no local return mnesia_backup.erl:49: Callback info about the mnesia_backup behaviour is not available mnesia_bup.erl:111: The created fun has no local return mnesia_bup.erl:574: Function fallback_receiver/2 has no local return diff --git a/lib/dialyzer/test/race_SUITE_data/results/ets_insert_args10 b/lib/dialyzer/test/race_SUITE_data/results/ets_insert_args10 new file mode 100644 index 0000000000..c3c9b12bdd --- /dev/null +++ b/lib/dialyzer/test/race_SUITE_data/results/ets_insert_args10 @@ -0,0 +1,2 @@ + +ets_insert_args10.erl:9: The call ets:insert(T::'foo',[{'counter',number()},...]) might have an unintended effect due to a possible race condition caused by its combination with the ets:lookup(T::'foo','counter') call in ets_insert_args10.erl on line 8 diff --git a/lib/dialyzer/test/race_SUITE_data/src/ets_insert_args10.erl b/lib/dialyzer/test/race_SUITE_data/src/ets_insert_args10.erl new file mode 100644 index 0000000000..c897a34af0 --- /dev/null +++ b/lib/dialyzer/test/race_SUITE_data/src/ets_insert_args10.erl @@ -0,0 +1,19 @@ +%% This tests the presence of possible races due to an ets:lookup/ets:insert +%% combination. It takes into account the argument types of the calls. + +-module(ets_insert_args10). +-export([start/0]). + +start() -> + F = fun(T) -> [{_, N}] = ets:lookup(T, counter), + ets:insert(T, [{counter, N+1}]) + end, + io:format("Created ~w\n", [ets:new(foo, [named_table, public])]), + A = {counter, 0}, + B = [], + ets:insert(foo, [A|B]), + io:format("Inserted ~w\n", [{counter, 0}]), + F(foo), + io:format("Update complete\n", []), + ObjectList = ets:lookup(foo, counter), + io:format("Counter: ~w\n", [ObjectList]). 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 8dc0361b0d..4850f3ff0c 100644 --- a/lib/dialyzer/test/small_SUITE_data/results/contracts_with_subtypes +++ b/lib/dialyzer/test/small_SUITE_data/results/contracts_with_subtypes @@ -6,7 +6,7 @@ contracts_with_subtypes.erl:109: The call contracts_with_subtypes:rec_arg({'b',{ 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 binary() | string() -contracts_with_subtypes.erl:145: The pattern 'alpha' can never match the type {'ok',X} | {'ok',X,binary() | string()} +contracts_with_subtypes.erl:145: The pattern 'alpha' can never match the type {'ok',_} | {'ok',_,binary() | string()} contracts_with_subtypes.erl:147: The pattern 42 can never match the type {'ok',_} | {'ok',_,binary() | 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} diff --git a/lib/dialyzer/test/small_SUITE_data/results/fun_ref_match b/lib/dialyzer/test/small_SUITE_data/results/fun_ref_match index 60b34530b4..e69de29bb2 100644 --- a/lib/dialyzer/test/small_SUITE_data/results/fun_ref_match +++ b/lib/dialyzer/test/small_SUITE_data/results/fun_ref_match @@ -1,2 +0,0 @@ - -fun_ref_match.erl:14: Function will never be called diff --git a/lib/dialyzer/test/small_SUITE_data/src/remote_tuple_set.erl b/lib/dialyzer/test/small_SUITE_data/src/remote_tuple_set.erl new file mode 100644 index 0000000000..6c440ed04c --- /dev/null +++ b/lib/dialyzer/test/small_SUITE_data/src/remote_tuple_set.erl @@ -0,0 +1,8 @@ +-module(remote_tuple_set). + +-export([parse_cidr/0]). + +-spec parse_cidr() -> {inet:address_family(),1,2} | {error}. + +parse_cidr() -> + {inet,1,2}. diff --git a/lib/dialyzer/test/user_SUITE_data/results/wsp_pdu b/lib/dialyzer/test/user_SUITE_data/results/wsp_pdu index a47b1f1f2c..d1f8f4caf2 100644 --- a/lib/dialyzer/test/user_SUITE_data/results/wsp_pdu +++ b/lib/dialyzer/test/user_SUITE_data/results/wsp_pdu @@ -6,7 +6,7 @@ wsp_pdu.erl:2403: The call wsp_pdu:d_date(Data1::binary()) will never return sin wsp_pdu.erl:2406: Guard test is_integer(Sec::{[byte()] | byte() | {'long',binary()} | {'short',binary()},binary()}) can never succeed wsp_pdu.erl:2408: The pattern {'short', Data2} can never match the type {[byte()] | byte() | {'long',binary()} | {'short',binary()},binary()} wsp_pdu.erl:2755: Function parse_push_flag/1 has no local return -wsp_pdu.erl:2756: The call erlang:integer_to_list(Value::[any()]) will never return since it differs in the 1st argument from the success typing arguments: (integer()) +wsp_pdu.erl:2756: The call erlang:integer_to_list(Value::[any()]) breaks the contract (Integer) -> string() when is_subtype(Integer,integer()) wsp_pdu.erl:2875: The call wsp_pdu:d_text_string(Data::byte()) will never return since it differs in the 1st argument from the success typing arguments: (binary()) wsp_pdu.erl:2976: The call wsp_pdu:d_q_value(QData::byte()) will never return since it differs in the 1st argument from the success typing arguments: (<<_:8,_:_*8>>) wsp_pdu.erl:3336: The call wsp_pdu:encode_typed_field(Ver::any(),'Q-value',ParamValue::any()) will never return since it differs in the 2nd argument from the success typing arguments: (any(),'Constrained-encoding' | 'Date-value' | 'No-value' | 'Short-integer' | 'Text-string' | 'Text-value' | 'Well-known-charset',any()) |