diff options
Diffstat (limited to 'lib/dialyzer')
22 files changed, 236 insertions, 166 deletions
diff --git a/lib/dialyzer/src/dialyzer_cl.erl b/lib/dialyzer/src/dialyzer_cl.erl index 0617be6435..1e06d6e974 100644 --- a/lib/dialyzer/src/dialyzer_cl.erl +++ b/lib/dialyzer/src/dialyzer_cl.erl @@ -672,7 +672,7 @@ failed_anal_msg(Reason, LogCache) -> %% format_log_cache(LogCache) -> Str = lists:append(lists:reverse(LogCache)), - string:join(string:tokens(Str, "\n"), "\n "). + lists:join("\n ", string:lexemes(Str, "\n")). -spec store_warnings(#cl_state{}, [raw_warning()]) -> #cl_state{}. diff --git a/lib/dialyzer/src/dialyzer_cl_parse.erl b/lib/dialyzer/src/dialyzer_cl_parse.erl index 80c10183cf..f21eaed087 100644 --- a/lib/dialyzer/src/dialyzer_cl_parse.erl +++ b/lib/dialyzer/src/dialyzer_cl_parse.erl @@ -41,8 +41,8 @@ start() -> Ret catch throw:{dialyzer_cl_parse_error, Msg} -> {error, Msg}; - _:R -> - Msg = io_lib:format("~tp\n~tp\n", [R, erlang:get_stacktrace()]), + _:R:S -> + Msg = io_lib:format("~tp\n~tp\n", [R, S]), {error, lists:flatten(Msg)} end. diff --git a/lib/dialyzer/src/dialyzer_contracts.erl b/lib/dialyzer/src/dialyzer_contracts.erl index e72c1aecfc..0df15e55f9 100644 --- a/lib/dialyzer/src/dialyzer_contracts.erl +++ b/lib/dialyzer/src/dialyzer_contracts.erl @@ -197,6 +197,10 @@ check_contracts(Contracts, Callgraph, FunTypes, ModOpaques) -> false -> [{MFA, Contract}|NewContracts] end; + {error, {extra_range, _, _}} -> + %% do not treat extra range as an error in this check + %% since that prevents discovering other actual errors + [{MFA, Contract}|NewContracts]; {error, _Error} -> NewContracts end; error -> NewContracts diff --git a/lib/dialyzer/src/dialyzer_dataflow.erl b/lib/dialyzer/src/dialyzer_dataflow.erl index ea3523a965..c5f93a3392 100644 --- a/lib/dialyzer/src/dialyzer_dataflow.erl +++ b/lib/dialyzer/src/dialyzer_dataflow.erl @@ -299,6 +299,7 @@ traverse(Tree, Map, State) -> match_fail -> t_none(); raise -> t_none(); bs_init_writable -> t_from_term(<<>>); + build_stacktrace -> erl_bif_types:type(erlang, build_stacktrace, 0); Other -> erlang:error({'Unsupported primop', Other}) end, {State, Map, Type}; diff --git a/lib/dialyzer/src/dialyzer_gui_wx.erl b/lib/dialyzer/src/dialyzer_gui_wx.erl index b4b1872c12..b8414b7d8b 100644 --- a/lib/dialyzer/src/dialyzer_gui_wx.erl +++ b/lib/dialyzer/src/dialyzer_gui_wx.erl @@ -475,7 +475,7 @@ gui_loop(#gui_state{backend_pid = BackendPid, doc_plt = DocPlt, gui_loop(State); {BackendPid, ext_types, ExtTypes} -> Map = fun({M,F,A}) -> io_lib:format("~tp:~tp/~p",[M,F,A]) end, - ExtTypeString = string:join(lists:map(Map, ExtTypes), "\n"), + ExtTypeString = lists:join("\n", lists:map(Map, ExtTypes)), Msg = io_lib:format("The following remote types are being used " "but information about them is not available.\n" "The analysis might get more precise by including " @@ -638,7 +638,7 @@ output_sms(#gui_state{frame = Frame}, Title, Message, Type) -> free_editor(#gui_state{gui = Wx, frame = Frame}, Title, Contents0) -> Contents = lists:flatten(Contents0), - Tokens = string:tokens(Contents, "\n"), + Tokens = string:lexemes(Contents, "\n"), NofLines = length(Tokens), LongestLine = lists:max([length(X) || X <- Tokens]), Height0 = NofLines * 25 + 80, diff --git a/lib/dialyzer/src/dialyzer_plt.erl b/lib/dialyzer/src/dialyzer_plt.erl index 95c8b5ebce..2af4534396 100644 --- a/lib/dialyzer/src/dialyzer_plt.erl +++ b/lib/dialyzer/src/dialyzer_plt.erl @@ -531,17 +531,19 @@ compute_md5_from_files(Files) -> lists:keysort(1, [{F, compute_md5_from_file(F)} || F <- Files]). compute_md5_from_file(File) -> - case filelib:is_regular(File) of - false -> + case beam_lib:all_chunks(File) of + {ok, _, Chunks} -> + %% We cannot use beam_lib:md5 because it does not consider + %% the debug_info chunk, where typespecs are likely stored. + %% So we consider almost all chunks except the useless ones. + Filtered = [[ID, Chunk] || {ID, Chunk} <- Chunks, ID =/= "CInf", ID =/= "Docs"], + erlang:md5(lists:sort(Filtered)); + {error, beam_lib, {file_error, _, enoent}} -> Msg = io_lib:format("Not a regular file: ~ts\n", [File]), throw({dialyzer_error, Msg}); - true -> - case dialyzer_utils:get_core_from_beam(File) of - {error, Error} -> - throw({dialyzer_error, Error}); - {ok, Core} -> - erlang:md5(term_to_binary(Core)) - end + {error, beam_lib, _} -> + Msg = io_lib:format("Could not compute MD5 for .beam: ~ts\n", [File]), + throw({dialyzer_error, Msg}) end. init_diff_list(RemoveFiles, AddFiles) -> diff --git a/lib/dialyzer/src/dialyzer_races.erl b/lib/dialyzer/src/dialyzer_races.erl index 7fe64c3e11..7602faa21d 100644 --- a/lib/dialyzer/src/dialyzer_races.erl +++ b/lib/dialyzer/src/dialyzer_races.erl @@ -1270,8 +1270,8 @@ filter_named_tables(NamesList) -> [] -> []; [Head|Tail] -> NewHead = - case string:rstr(Head, "()") of - 0 -> [Head]; + case string:find(Head, "()", trailing) of + nomatch -> [Head]; _Other -> [] end, NewHead ++ filter_named_tables(Tail) @@ -1558,8 +1558,8 @@ any_args(StrList) -> case StrList of [] -> false; [Head|Tail] -> - case string:rstr(Head, "()") of - 0 -> any_args(Tail); + case string:find(Head, "()", trailing) of + nomatch -> any_args(Tail); _Other -> true end end. @@ -1765,10 +1765,8 @@ ets_list_args(MaybeList) -> end. ets_list_argtypes(ListStr) -> - ListStr1 = string:strip(ListStr, left, $[), - ListStr2 = string:strip(ListStr1, right, $]), - ListStr3 = string:strip(ListStr2, right, $.), - string:strip(ListStr3, right, $,). + ListStr1 = string:trim(ListStr, leading, "$["), + string:trim(ListStr1, trailing, "$]$.$,"). ets_tuple_args(MaybeTuple) -> case is_tuple(MaybeTuple) of @@ -1810,7 +1808,7 @@ ets_tuple_argtypes2_helper(TupleStr, ElemStr, NestingLevel) -> {[H|ElemStr], NestingLevel, false} end, case Return of - true -> string:tokens(NewElemStr, " |"); + true -> string:lexemes(NewElemStr, " |"); false -> ets_tuple_argtypes2_helper(T, NewElemStr, NewNestingLevel) end @@ -1889,44 +1887,44 @@ format_args_2(StrArgList, Call) -> case Call of whereis -> lists_key_replace(2, StrArgList, - string:tokens(lists:nth(2, StrArgList), " |")); + string:lexemes(lists:nth(2, StrArgList), " |")); register -> lists_key_replace(2, StrArgList, - string:tokens(lists:nth(2, StrArgList), " |")); + string:lexemes(lists:nth(2, StrArgList), " |")); unregister -> lists_key_replace(2, StrArgList, - string:tokens(lists:nth(2, StrArgList), " |")); + string:lexemes(lists:nth(2, StrArgList), " |")); ets_new -> StrArgList1 = lists_key_replace(2, StrArgList, - string:tokens(lists:nth(2, StrArgList), " |")), + string:lexemes(lists:nth(2, StrArgList), " |")), lists_key_replace(4, StrArgList1, - string:tokens(ets_list_argtypes(lists:nth(4, StrArgList1)), " |")); + string:lexemes(ets_list_argtypes(lists:nth(4, StrArgList1)), " |")); ets_lookup -> StrArgList1 = lists_key_replace(2, StrArgList, - string:tokens(lists:nth(2, StrArgList), " |")), + string:lexemes(lists:nth(2, StrArgList), " |")), lists_key_replace(4, StrArgList1, - string:tokens(lists:nth(4, StrArgList1), " |")); + string:lexemes(lists:nth(4, StrArgList1), " |")); ets_insert -> StrArgList1 = lists_key_replace(2, StrArgList, - string:tokens(lists:nth(2, StrArgList), " |")), + string:lexemes(lists:nth(2, StrArgList), " |")), lists_key_replace(4, StrArgList1, ets_tuple_argtypes2( ets_tuple_argtypes1(lists:nth(4, StrArgList1), [], [], 0), [])); mnesia_dirty_read1 -> lists_key_replace(2, StrArgList, - [mnesia_tuple_argtypes(T) || T <- string:tokens( + [mnesia_tuple_argtypes(T) || T <- string:lexemes( lists:nth(2, StrArgList), " |")]); mnesia_dirty_read2 -> lists_key_replace(2, StrArgList, - string:tokens(lists:nth(2, StrArgList), " |")); + string:lexemes(lists:nth(2, StrArgList), " |")); mnesia_dirty_write1 -> lists_key_replace(2, StrArgList, - [mnesia_record_tab(R) || R <- string:tokens( + [mnesia_record_tab(R) || R <- string:lexemes( lists:nth(2, StrArgList), " |")]); mnesia_dirty_write2 -> lists_key_replace(2, StrArgList, - string:tokens(lists:nth(2, StrArgList), " |")); + string:lexemes(lists:nth(2, StrArgList), " |")); function_call -> StrArgList end. @@ -1943,18 +1941,16 @@ format_type(Type, State) -> erl_types:t_to_string(Type, R). mnesia_record_tab(RecordStr) -> - case string:str(RecordStr, "#") =:= 1 of - true -> - "'" ++ - string:sub_string(RecordStr, 2, string:str(RecordStr, "{") - 1) ++ - "'"; - false -> RecordStr + case erl_scan:string(RecordStr) of + {ok, [{'#', _}, {atom, _, Name}|_], _} -> + io_lib:write_string(atom_to_list(Name), $'); + _ -> RecordStr end. mnesia_tuple_argtypes(TupleStr) -> - TupleStr1 = string:strip(TupleStr, left, ${), - [TupleStr2|_T] = string:tokens(TupleStr1, " ,"), - lists:flatten(string:tokens(TupleStr2, " |")). + TupleStr1 = string:trim(TupleStr, leading, "${"), + [TupleStr2|_T] = string:lexemes(TupleStr1, " ,"), + lists:flatten(string:lexemes(TupleStr2, " |")). -spec race_var_map(var_to_map1(), var_to_map2(), dict:dict(), op()) -> dict:dict(). @@ -2237,7 +2233,7 @@ var_type_analysis(FunDefArgs, FunCallTypes, WarnVarArgs, RaceWarnTag, case lists_key_member_lists(Vars, FunVarArgs) of 0 -> [Vars, WVA2, WVA3, WVA4]; N when is_integer(N) -> - NewWVA2 = string:tokens(lists:nth(N + 1, FunVarArgs), " |"), + NewWVA2 = string:lexemes(lists:nth(N + 1, FunVarArgs), " |"), [Vars, NewWVA2, WVA3, WVA4] end; ?WARN_WHEREIS_UNREGISTER -> @@ -2246,7 +2242,7 @@ var_type_analysis(FunDefArgs, FunCallTypes, WarnVarArgs, RaceWarnTag, case lists_key_member_lists(Vars, FunVarArgs) of 0 -> [Vars, WVA2]; N when is_integer(N) -> - NewWVA2 = string:tokens(lists:nth(N + 1, FunVarArgs), " |"), + NewWVA2 = string:lexemes(lists:nth(N + 1, FunVarArgs), " |"), [Vars, NewWVA2] end; ?WARN_ETS_LOOKUP_INSERT -> @@ -2256,7 +2252,7 @@ var_type_analysis(FunDefArgs, FunCallTypes, WarnVarArgs, RaceWarnTag, case lists_key_member_lists(Vars1, FunVarArgs) of 0 -> [Vars1, WVA2]; N1 when is_integer(N1) -> - NewWVA2 = string:tokens(lists:nth(N1 + 1, FunVarArgs), " |"), + NewWVA2 = string:lexemes(lists:nth(N1 + 1, FunVarArgs), " |"), [Vars1, NewWVA2] end, Vars2 = @@ -2286,10 +2282,10 @@ var_type_analysis(FunDefArgs, FunCallTypes, WarnVarArgs, RaceWarnTag, NewWVA2 = case Arity of 1 -> - [mnesia_record_tab(R) || R <- string:tokens( + [mnesia_record_tab(R) || R <- string:lexemes( lists:nth(2, FunVarArgs), " |")]; 2 -> - string:tokens(lists:nth(N + 1, FunVarArgs), " |") + string:lexemes(lists:nth(N + 1, FunVarArgs), " |") end, [Vars, NewWVA2|T] end diff --git a/lib/dialyzer/src/dialyzer_typesig.erl b/lib/dialyzer/src/dialyzer_typesig.erl index d03326ec97..dede475f98 100644 --- a/lib/dialyzer/src/dialyzer_typesig.erl +++ b/lib/dialyzer/src/dialyzer_typesig.erl @@ -418,6 +418,11 @@ traverse(Tree, DefinedVars, State) -> match_fail -> throw(error); raise -> throw(error); bs_init_writable -> {State, t_from_term(<<>>)}; + build_stacktrace -> + V = mk_var(Tree), + Type = erl_bif_types:type(erlang, build_stacktrace, 0), + State1 = state__store_conj(V, sub, Type, State), + {State1, V}; Other -> erlang:error({'Unsupported primop', Other}) end; 'receive' -> @@ -1895,9 +1900,8 @@ solver(Solver, SolveFun) -> ?debug("Solver ~w returned unexpected result:\n ~P\n", [Solver, _R, 60]), throw(error) - catch E:R -> - io:format("Solver ~w failed: ~w:~p\n ~tp\n", - [Solver, E, R, erlang:get_stacktrace()]), + catch E:R:S -> + io:format("Solver ~w failed: ~w:~p\n ~tp\n", [Solver, E, R, S]), throw(error) end. diff --git a/lib/dialyzer/src/dialyzer_utils.erl b/lib/dialyzer/src/dialyzer_utils.erl index 9b8fbc67eb..abd89034f3 100644 --- a/lib/dialyzer/src/dialyzer_utils.erl +++ b/lib/dialyzer/src/dialyzer_utils.erl @@ -120,92 +120,10 @@ get_core_from_beam(File, Opts) -> {error, " Could not get Core Erlang code for: " ++ File ++ "\n"} end; _ -> - deprecated_get_core_from_beam(File, Opts) + {error, " Could not get Core Erlang code for: " ++ File ++ "\n" ++ + " Recompile with +debug_info or analyze starting from source code"} end. -deprecated_get_core_from_beam(File, Opts) -> - case get_abstract_code_from_beam(File) of - error -> - {error, " Could not get abstract code for: " ++ File ++ "\n" ++ - " Recompile with +debug_info or analyze starting from source code"}; - {ok, AbstrCode} -> - case get_compile_options_from_beam(File) of - error -> - {error, " Could not get compile options for: " ++ File ++ "\n" ++ - " Recompile or analyze starting from source code"}; - {ok, CompOpts} -> - case get_core_from_abstract_code(AbstrCode, Opts ++ CompOpts) of - error -> - {error, " Could not get core Erlang code for: " ++ File}; - {ok, _} = Core -> - Core - end - end - end. - -get_abstract_code_from_beam(File) -> - case beam_lib:chunks(File, [abstract_code]) of - {ok, {_, List}} -> - case lists:keyfind(abstract_code, 1, List) of - {abstract_code, {raw_abstract_v1, Abstr}} -> {ok, Abstr}; - _ -> error - end; - _ -> - %% No or unsuitable abstract code. - error - end. - -get_compile_options_from_beam(File) -> - case beam_lib:chunks(File, [compile_info]) of - {ok, {_, List}} -> - case lists:keyfind(compile_info, 1, List) of - {compile_info, CompInfo} -> compile_info_to_options(CompInfo); - _ -> error - end; - _ -> - %% No or unsuitable compile info. - error - end. - -compile_info_to_options(CompInfo) -> - case lists:keyfind(options, 1, CompInfo) of - {options, CompOpts} -> {ok, CompOpts}; - _ -> error - end. - -get_core_from_abstract_code(AbstrCode, Opts) -> - %% We do not want the parse_transforms around since we already - %% performed them. In some cases we end up in trouble when - %% performing them again. - AbstrCode1 = cleanup_parse_transforms(AbstrCode), - %% Remove parse_transforms (and other options) from compile options. - Opts2 = cleanup_compile_options(Opts), - try compile:noenv_forms(AbstrCode1, Opts2 ++ src_compiler_opts()) of - {ok, _, Core} -> {ok, Core}; - _What -> error - catch - error:_ -> error - end. - -cleanup_parse_transforms([{attribute, _, compile, {parse_transform, _}}|Left]) -> - cleanup_parse_transforms(Left); -cleanup_parse_transforms([Other|Left]) -> - [Other|cleanup_parse_transforms(Left)]; -cleanup_parse_transforms([]) -> - []. - -cleanup_compile_options(Opts) -> - lists:filter(fun keep_compile_option/1, Opts). - -%% Using abstract, not asm or core. -keep_compile_option(from_asm) -> false; -keep_compile_option(from_core) -> false; -%% The parse transform will already have been applied, may cause -%% problems if it is re-applied. -keep_compile_option({parse_transform, _}) -> false; -keep_compile_option(warnings_as_errors) -> false; -keep_compile_option(_) -> true. - %% ============================================================================ %% %% Typed Records diff --git a/lib/dialyzer/src/typer.erl b/lib/dialyzer/src/typer.erl index 16b9c8a94a..9d3d9ce438 100644 --- a/lib/dialyzer/src/typer.erl +++ b/lib/dialyzer/src/typer.erl @@ -164,9 +164,9 @@ get_type_info(#analysis{callgraph = CallGraph, CodeServer), Analysis#analysis{callgraph = StrippedCallGraph, trust_plt = NewPlt} catch - error:What -> + error:What:Stacktrace -> fatal_error(io_lib:format("Analysis failed with message: ~tp", - [{What, erlang:get_stacktrace()}])); + [{What, Stacktrace}])); throw:{dialyzer_succ_typing_error, Msg} -> fatal_error(io_lib:format("Analysis failed with message: ~ts", [Msg])) end. diff --git a/lib/dialyzer/test/behaviour_SUITE_data/results/gen_server_incorrect_args b/lib/dialyzer/test/behaviour_SUITE_data/results/gen_server_incorrect_args index 1eb8cd455b..1be0ce0d8c 100644 --- a/lib/dialyzer/test/behaviour_SUITE_data/results/gen_server_incorrect_args +++ b/lib/dialyzer/test/behaviour_SUITE_data/results/gen_server_incorrect_args @@ -1,5 +1,5 @@ gen_server_incorrect_args.erl:3: Undefined callback function handle_cast/2 (behaviour gen_server) gen_server_incorrect_args.erl:3: Undefined callback function init/1 (behaviour gen_server) -gen_server_incorrect_args.erl:7: The inferred return type of handle_call/3 ({'no'} | {'ok'}) has nothing in common with {'noreply',_} | {'noreply',_,'hibernate' | 'infinity' | non_neg_integer()} | {'reply',_,_} | {'stop',_,_} | {'reply',_,_,'hibernate' | 'infinity' | non_neg_integer()} | {'stop',_,_,_}, which is the expected return type for the callback of the gen_server behaviour +gen_server_incorrect_args.erl:7: The inferred return type of handle_call/3 ({'no'} | {'ok'}) has nothing in common with {'noreply',_} | {'noreply',_,'hibernate' | 'infinity' | non_neg_integer() | {'continue',_}} | {'reply',_,_} | {'stop',_,_} | {'reply',_,_,'hibernate' | 'infinity' | non_neg_integer() | {'continue',_}} | {'stop',_,_,_}, which is the expected return type for the callback of the gen_server behaviour gen_server_incorrect_args.erl:7: The inferred type for the 2nd argument of handle_call/3 ('boo' | 'foo') is not a supertype of {pid(),_}, which is expected type for this argument in the callback of the gen_server behaviour diff --git a/lib/dialyzer/test/behaviour_SUITE_data/src/proper/proper_typeserver.erl b/lib/dialyzer/test/behaviour_SUITE_data/src/proper/proper_typeserver.erl index b16075763f..12f6532c0c 100644 --- a/lib/dialyzer/test/behaviour_SUITE_data/src/proper/proper_typeserver.erl +++ b/lib/dialyzer/test/behaviour_SUITE_data/src/proper/proper_typeserver.erl @@ -539,7 +539,7 @@ apply_spec_test({Mod,Fun,_Arity}=MFA, {_Domain,Range}, SpecTimeout, FalsePositiv try apply(Mod, Fun, Args) of X -> {ok, X} catch - X:Y -> {X, Y} + X:Y:S -> {{X, Y}, S} end, case Result of {ok, Z} -> @@ -551,15 +551,15 @@ apply_spec_test({Mod,Fun,_Arity}=MFA, {_Domain,Range}, SpecTimeout, FalsePositiv false -> false end; - Exception when is_function(FalsePositiveMFAs) -> + {Exception, S2} when is_function(FalsePositiveMFAs) -> case FalsePositiveMFAs(MFA, Args, Exception) of true -> true; false -> - error(Exception, erlang:get_stacktrace()) + error(Exception, S2) end; - Exception -> - error(Exception, erlang:get_stacktrace()) + {Exception, S3} -> + error(Exception, S3) end end). diff --git a/lib/dialyzer/test/dialyzer_common.erl b/lib/dialyzer/test/dialyzer_common.erl index 48083a2731..1a8403f486 100644 --- a/lib/dialyzer/test/dialyzer_common.erl +++ b/lib/dialyzer/test/dialyzer_common.erl @@ -221,13 +221,9 @@ get_suites(Dir) -> end. suffix(String, Suffix) -> - case string:rstr(String, Suffix) of - 0 -> no; - Index -> - case string:substr(String, Index) =:= Suffix of - true -> {yes, string:sub_string(String,1,Index-1)}; - false -> no - end + case string:split(String, Suffix, trailing) of + [Prefix,[]] -> {yes, Prefix}; + _ -> no end. -spec create_suite(string()) -> 'ok'. diff --git a/lib/dialyzer/test/opaque_SUITE_data/src/proper/proper_typeserver.erl b/lib/dialyzer/test/opaque_SUITE_data/src/proper/proper_typeserver.erl index 1677b4efb8..529f9fba72 100644 --- a/lib/dialyzer/test/opaque_SUITE_data/src/proper/proper_typeserver.erl +++ b/lib/dialyzer/test/opaque_SUITE_data/src/proper/proper_typeserver.erl @@ -533,7 +533,7 @@ apply_spec_test({Mod,Fun,_Arity}=MFA, {_Domain,Range}, SpecTimeout, FalsePositiv try apply(Mod,Fun,Args) of X -> {ok, X} catch - X:Y -> {X, Y} + X:Y:S -> {{X, Y}, S} end, case Result of {ok, Z} -> @@ -545,15 +545,15 @@ apply_spec_test({Mod,Fun,_Arity}=MFA, {_Domain,Range}, SpecTimeout, FalsePositiv false -> false end; - Exception when is_function(FalsePositiveMFAs) -> + {Exception, S2} when is_function(FalsePositiveMFAs) -> case FalsePositiveMFAs(MFA, Args, Exception) of true -> true; false -> - error(Exception, erlang:get_stacktrace()) + error(Exception, S2) end; - Exception -> - error(Exception, erlang:get_stacktrace()) + {Exception, S3} -> + error(Exception, S3) end end). diff --git a/lib/dialyzer/test/options1_SUITE_data/src/compiler/beam_validator.erl b/lib/dialyzer/test/options1_SUITE_data/src/compiler/beam_validator.erl index 8fe43163f6..ea92613781 100644 --- a/lib/dialyzer/test/options1_SUITE_data/src/compiler/beam_validator.erl +++ b/lib/dialyzer/test/options1_SUITE_data/src/compiler/beam_validator.erl @@ -174,7 +174,7 @@ validate_error(Error, Name, Ar) -> -endif. validate_error_1(Error, Name, Ar) -> {{'_',Name,Ar}, - {internal_error,'_',{Error,erlang:get_stacktrace()}}}. + {internal_error,'_',{Error,[]}}}. -record(st, %Emulation state {x=init_regs(0, term), %x register info. diff --git a/lib/dialyzer/test/small_SUITE_data/results/chars b/lib/dialyzer/test/small_SUITE_data/results/chars index 2c1f8f8d17..72fbdb4528 100644 --- a/lib/dialyzer/test/small_SUITE_data/results/chars +++ b/lib/dialyzer/test/small_SUITE_data/results/chars @@ -1,4 +1,4 @@ -chars.erl:29: Invalid type specification for function chars:f/1. The success typing is (#{'b':=50}) -> 'ok' -chars.erl:32: Function t1/0 has no local return -chars.erl:32: The call chars:f(#{'b':=50}) breaks the contract (#{'a':=49,'b'=>50,'c'=>51}) -> 'ok' +chars.erl:37: Invalid type specification for function chars:f/1. The success typing is (#{'b':=50}) -> 'ok' +chars.erl:40: Function t1/0 has no local return +chars.erl:40: The call chars:f(#{'b':=50}) breaks the contract (#{'a':=49,'b'=>50,'c'=>51}) -> 'ok' diff --git a/lib/dialyzer/test/small_SUITE_data/results/extra_range b/lib/dialyzer/test/small_SUITE_data/results/extra_range new file mode 100644 index 0000000000..ec50c95c4e --- /dev/null +++ b/lib/dialyzer/test/small_SUITE_data/results/extra_range @@ -0,0 +1,4 @@ + +extra_range.erl:29: The pattern 'ok' can never match the type 'error' +extra_range.erl:43: The pattern 'no' can never match the type 'maybe' | 'yes' +extra_range.erl:58: The pattern 'maybe' can never match the type 'no' | 'yes' diff --git a/lib/dialyzer/test/small_SUITE_data/results/maps_sum b/lib/dialyzer/test/small_SUITE_data/results/maps_sum index bd192bdb93..b29ac77d88 100644 --- a/lib/dialyzer/test/small_SUITE_data/results/maps_sum +++ b/lib/dialyzer/test/small_SUITE_data/results/maps_sum @@ -1,4 +1,4 @@ -maps_sum.erl:15: Invalid type specification for function maps_sum:wrong1/1. The success typing is (map()) -> any() +maps_sum.erl:15: Invalid type specification for function maps_sum:wrong1/1. The success typing is (maps:iterator() | map()) -> any() maps_sum.erl:26: Function wrong2/1 has no local return maps_sum.erl:27: The call lists:foldl(fun((_,_,_) -> any()),0,Data::any()) will never return since it differs in the 1st argument from the success typing arguments: (fun((_,_) -> any()),any(),[any()]) diff --git a/lib/dialyzer/test/small_SUITE_data/results/stacktrace b/lib/dialyzer/test/small_SUITE_data/results/stacktrace new file mode 100644 index 0000000000..fd60881953 --- /dev/null +++ b/lib/dialyzer/test/small_SUITE_data/results/stacktrace @@ -0,0 +1,5 @@ + +stacktrace.erl:11: The pattern {'a', 'b'} can never match the type [{atom(),atom(),[any()] | byte(),[{'file',string()} | {'line',pos_integer()}]}] +stacktrace.erl:19: The pattern ['a', 'b'] can never match the type [{atom(),atom(),[any()] | byte(),[{'file',string()} | {'line',pos_integer()}]}] +stacktrace.erl:44: The pattern {'a', 'b'} can never match the type [{atom(),atom(),[any()] | byte(),[{'file',string()} | {'line',pos_integer()}]}] +stacktrace.erl:53: The pattern ['a', 'b'] can never match the type [{atom(),atom(),[any()] | byte(),[{'file',string()} | {'line',pos_integer()}]}] diff --git a/lib/dialyzer/test/small_SUITE_data/src/chars.erl b/lib/dialyzer/test/small_SUITE_data/src/chars.erl index 1e9c8ab6b9..62b90cf54d 100644 --- a/lib/dialyzer/test/small_SUITE_data/src/chars.erl +++ b/lib/dialyzer/test/small_SUITE_data/src/chars.erl @@ -12,17 +12,25 @@ -spec t() -> $0-$0..$9-$0| $?. t() -> - c(#r{f = $z - 3}), + r(#r{f = $z - 3}), + r(#r{f = 97}), + c($/), c($z - 3), c($B). -spec c(cs()) -> $3-$0..$9-$0. - -c($A + 1) -> 2; +c($A + 1) -> $9-$0; c(C) -> case C of - $z - 3 -> 3; - #r{f = $z - 3} -> 7 + $z - 3 -> $3-$0; + _ -> $7-$0 + end. + +-spec r(#r{f :: $a..$z}) -> ok | error. +r(R) -> + case R of + #r{f = $z - 3} -> error; + _ -> ok end. %% Display contract with character in warning: diff --git a/lib/dialyzer/test/small_SUITE_data/src/extra_range.erl b/lib/dialyzer/test/small_SUITE_data/src/extra_range.erl new file mode 100644 index 0000000000..9d6ba89c95 --- /dev/null +++ b/lib/dialyzer/test/small_SUITE_data/src/extra_range.erl @@ -0,0 +1,59 @@ +%% Test that a spec containing more items than actually returned +%% (whether by accident or by benign overspeccing) does not prevent +%% detection of impossible matches. + +-module(extra_range). + +-export([t1/2, t2/2, t3/2, t4/2]). + +-dialyzer([no_return]). + +%% this spec matches the behaviour of the code +-spec normal(integer()) -> ok | error. +normal(1) -> ok; +normal(2) -> error. + +t1(X, Y) when is_integer(X), is_integer(Y) -> + ok = normal(X), + error = normal(Y), + ok. + + +%% this spec has a typo, which should cause anyone trying to match on +%% `ok = typo(X)' to get a warning, because `ok' is not in the spec +-spec typo(integer()) -> ook | error. +typo(1) -> ok; +typo(2) -> error. + +t2(X, Y) when is_integer(X), is_integer(Y) -> + ok = typo(X), % warning expected - not allowed according to spec + error = typo(Y), + ok. + + +%% this is overspecified, and should cause a warning for trying +%% to match on `no = over(X)', because it cannot succeed and either +%% the spec should be updated or the code should be extended +-spec over(integer()) -> yes | no | maybe. +over(1) -> yes; +over(_) -> maybe. + +t3(X, Y) when is_integer(X), is_integer(Y) -> + yes = over(X), + no = over(Y), % warning expected - spec or code needs fixing + maybe = over(X + Y), + ok. + + +%% this is underspecified, which should cause anyone trying to match on +%% `maybe = under(X)' to get a warning, because `maybe' is not in the spec +-spec under(integer()) -> yes | no. +under(1) -> yes; +under(2) -> no; +under(_) -> maybe. + +t4(X, Y) when is_integer(X), is_integer(Y) -> + yes = under(X), + no = under(Y), + maybe = under(X + Y), % warning expected - not in spec + ok. diff --git a/lib/dialyzer/test/small_SUITE_data/src/stacktrace.erl b/lib/dialyzer/test/small_SUITE_data/src/stacktrace.erl new file mode 100644 index 0000000000..de79e710e9 --- /dev/null +++ b/lib/dialyzer/test/small_SUITE_data/src/stacktrace.erl @@ -0,0 +1,73 @@ +-module(stacktrace). + +%% Check the stacktrace variable introduced in Erlang/OTP 21.0 + +-export([t1/0, t2/0, t3/0, t4/0, s1/0, s2/0, s3/0, s4/0]). + +t1() -> + try foo:bar() + catch + E:P:S -> + {a,b} = S, % can never match + {E, P} + end. + +t2() -> + try foo:bar() + catch + E:P:S -> + [a,b] = S, % can never match + {E, P} + end. + +t3() -> + try foo:bar() + catch + E:P:S -> + [{m,f,[],[]}] = S, + {E, P} + end. + +t4() -> + try foo:bar() + catch + E:P:S -> + [{m,f,1,[{file,"tjo"},{line,95}]}] = S, + {E, P} + end. + +s1() -> + try foo:bar() + catch + E:P -> + S = erlang:get_stacktrace(), + {a,b} = S, % can never match + {E, P} + end. + +s2() -> + try foo:bar() + catch + E:P -> + S = erlang:get_stacktrace(), + [a,b] = S, % can never match + {E, P} + end. + +s3() -> + try foo:bar() + catch + E:P -> + S = erlang:get_stacktrace(), + [{m,f,[],[]}] = S, + {E, P} + end. + +s4() -> + try foo:bar() + catch + E:P -> + S = erlang:get_stacktrace(), + [{m,f,1,[{file,"tjo"},{line,95}]}] = S, + {E, P} + end. |