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-rw-r--r--lib/dialyzer/doc/src/dialyzer.xml7
-rw-r--r--lib/dialyzer/src/dialyzer_options.erl3
-rw-r--r--lib/dialyzer/test/plt_SUITE.erl37
-rw-r--r--lib/stdlib/src/erl_lint.erl63
-rw-r--r--lib/stdlib/test/erl_lint_SUITE.erl52
5 files changed, 138 insertions, 24 deletions
diff --git a/lib/dialyzer/doc/src/dialyzer.xml b/lib/dialyzer/doc/src/dialyzer.xml
index 4b7eb4ad68..e34ffd6def 100644
--- a/lib/dialyzer/doc/src/dialyzer.xml
+++ b/lib/dialyzer/doc/src/dialyzer.xml
@@ -4,7 +4,7 @@
<erlref>
<header>
<copyright>
- <year>2006</year><year>2016</year>
+ <year>2006</year><year>2017</year>
<holder>Ericsson AB. All Rights Reserved.</holder>
</copyright>
<legalnotice>
@@ -457,11 +457,6 @@ dialyzer --plts plt_1 ... plt_n -- files_to_analyze</code>
<c>gui/1</c></seealso> below (<c>WarnOpts</c>).</p>
<note>
- <p>Attribute <c>-dialyzer()</c> is not checked by the Erlang
- compiler, but by Dialyzer itself.</p>
- </note>
-
- <note>
<p>Warning option <c>-Wrace_conditions</c> has no effect when
set in source files.</p>
</note>
diff --git a/lib/dialyzer/src/dialyzer_options.erl b/lib/dialyzer/src/dialyzer_options.erl
index 616e8834f5..ec3f41311d 100644
--- a/lib/dialyzer/src/dialyzer_options.erl
+++ b/lib/dialyzer/src/dialyzer_options.erl
@@ -277,6 +277,9 @@ assert_solvers([Term|_]) ->
-spec build_warnings([atom()], dial_warn_tags()) -> dial_warn_tags().
+%% The warning options are checked by the code linter.
+%% The function erl_lint:is_module_dialyzer_option/1 must
+%% be updated if options are added or removed.
build_warnings([Opt|Opts], Warnings) ->
NewWarnings =
case Opt of
diff --git a/lib/dialyzer/test/plt_SUITE.erl b/lib/dialyzer/test/plt_SUITE.erl
index ba153c1c27..92c63bdb0c 100644
--- a/lib/dialyzer/test/plt_SUITE.erl
+++ b/lib/dialyzer/test/plt_SUITE.erl
@@ -259,26 +259,41 @@ remove_plt(Config) ->
{init_plt, Plt}] ++ Opts),
ok.
+%% ERL-283, OTP-13979. As of OTP-14323 this test no longer does what
+%% it is designed to do--the linter stops every attempt to run the
+%% checks of Dialyzer's on bad dialyzer attributes. For the time
+%% being, the linter's error message are checked instead. The test
+%% needs to be updated when/if the Dialyzer can analyze Core Erlang
+%% without compiling abstract code.
bad_dialyzer_attr(Config) ->
PrivDir = ?config(priv_dir, Config),
- Plt = filename:join(PrivDir, "plt_bad_dialyzer_attr.plt"),
+ Source = lists:concat([dial, ".erl"]),
+ Filename = filename:join(PrivDir, Source),
+ ok = dialyzer_common:check_plt(PrivDir),
+ PltFilename = dialyzer_common:plt_file(PrivDir),
+ Opts = [{files, [Filename]},
+ {check_plt, false},
+ {from, src_code},
+ {init_plt, PltFilename}],
+
Prog1 = <<"-module(dial).
-dialyzer({no_return, [undef/0]}).">>,
- {ok, Beam1} = compile(Config, Prog1, dial, []),
+ ok = file:write_file(Filename, Prog1),
{dialyzer_error,
- "Analysis failed with error:\n"
- "Could not scan the following file(s):\n"
- " Unknown function undef/0 in line " ++ _} =
- (catch run_dialyzer(plt_build, [Beam1], [{output_plt, Plt}])),
+ "Analysis failed with error:\n" ++ Str1} =
+ (catch dialyzer:run(Opts)),
+ P1 = string:str(Str1, "dial.erl:2: function undef/0 undefined"),
+ true = P1 > 0,
Prog2 = <<"-module(dial).
-dialyzer({no_return, [{undef,1,2}]}).">>,
- {ok, Beam2} = compile(Config, Prog2, dial, []),
+ ok = file:write_file(Filename, Prog2),
{dialyzer_error,
- "Analysis failed with error:\n"
- "Could not scan the following file(s):\n"
- " Bad function {undef,1,2} in line " ++ _} =
- (catch run_dialyzer(plt_build, [Beam2], [{output_plt, Plt}])),
+ "Analysis failed with error:\n" ++ Str2} =
+ (catch dialyzer:run(Opts)),
+ P2 = string:str(Str2, "dial.erl:2: badly formed dialyzer "
+ "attribute: {no_return,{undef,1,2}}"),
+ true = P2 > 0,
ok.
diff --git a/lib/stdlib/src/erl_lint.erl b/lib/stdlib/src/erl_lint.erl
index 0789f5dfb7..78b7a0e751 100644
--- a/lib/stdlib/src/erl_lint.erl
+++ b/lib/stdlib/src/erl_lint.erl
@@ -404,6 +404,10 @@ format_error({not_exported_opaque, {TypeName, Arity}}) ->
format_error({underspecified_opaque, {TypeName, Arity}}) ->
io_lib:format("opaque type ~w~s is underspecified and therefore meaningless",
[TypeName, gen_type_paren(Arity)]);
+format_error({bad_dialyzer_attribute,Term}) ->
+ io_lib:format("badly formed dialyzer attribute: ~w", [Term]);
+format_error({bad_dialyzer_option,Term}) ->
+ io_lib:format("unknown dialyzer warning option: ~w", [Term]);
%% --- obsolete? unused? ---
format_error({format_error, {Fmt, Args}}) ->
io_lib:format(Fmt, Args).
@@ -796,8 +800,7 @@ attribute_state(Form, St) ->
%% State'
%% Allow for record, type and opaque type definitions and spec
%% declarations to be intersperced within function definitions.
-%% Dialyzer attributes are also allowed everywhere, but are not
-%% checked at all.
+%% Dialyzer attributes are also allowed everywhere.
function_state({attribute,L,record,{Name,Fields}}, St) ->
record_def(L, Name, Fields, St);
@@ -883,7 +886,8 @@ post_traversal_check(Forms, St0) ->
StD = check_on_load(StC),
StE = check_unused_records(Forms, StD),
StF = check_local_opaque_types(StE),
- check_callback_information(StF).
+ StG = check_dialyzer_attribute(Forms, StF),
+ check_callback_information(StG).
%% check_behaviour(State0) -> State
%% Check that the behaviour attribute is valid.
@@ -3116,6 +3120,59 @@ check_local_opaque_types(St) ->
end,
dict:fold(FoldFun, St, Ts).
+check_dialyzer_attribute(Forms, St0) ->
+ Vals = [{L,V} ||
+ {attribute,L,dialyzer,Val} <- Forms,
+ V0 <- lists:flatten([Val]),
+ V <- case V0 of
+ {O,F} ->
+ [{A,B} ||
+ A <- lists:flatten([O]),
+ B <- lists:flatten([F])];
+ T -> [T]
+ end],
+ {Wellformed, Bad} =
+ lists:partition(fun ({_,{Option,FA}}) when is_atom(Option) ->
+ is_fa(FA);
+ ({_,Option}) when is_atom(Option) -> true;
+ (_) -> false
+ end, Vals),
+ St1 = foldl(fun ({L,Term}, St) ->
+ add_error(L, {bad_dialyzer_attribute,Term}, St)
+ end, St0, Bad),
+ DefFunctions = (gb_sets:to_list(St0#lint.defined) -- pseudolocals()),
+ Fun = fun ({L,{Option,FA}}, St) ->
+ case is_function_dialyzer_option(Option) of
+ true ->
+ case lists:member(FA, DefFunctions) of
+ true -> St;
+ false ->
+ add_error(L, {undefined_function,FA}, St)
+ end;
+ false ->
+ add_error(L, {bad_dialyzer_option,Option}, St)
+ end;
+ ({L,Option}, St) ->
+ case is_module_dialyzer_option(Option) of
+ true -> St;
+ false ->
+ add_error(L, {bad_dialyzer_option,Option}, St)
+ end
+ end,
+ foldl(Fun, St1, Wellformed).
+
+is_function_dialyzer_option(nowarn_function) -> true;
+is_function_dialyzer_option(Option) ->
+ is_module_dialyzer_option(Option).
+
+is_module_dialyzer_option(Option) ->
+ lists:member(Option,
+ [no_return,no_unused,no_improper_lists,no_fun_app,
+ no_match,no_opaque,no_fail_call,no_contracts,
+ no_behaviours,no_undefined_callbacks,unmatched_returns,
+ error_handling,race_conditions,no_missing_calls,
+ specdiffs,overspecs,underspecs,unknown]).
+
%% icrt_clauses(Clauses, In, ImportVarTable, State) ->
%% {UpdVt,State}.
diff --git a/lib/stdlib/test/erl_lint_SUITE.erl b/lib/stdlib/test/erl_lint_SUITE.erl
index fd7de65302..c469624fb4 100644
--- a/lib/stdlib/test/erl_lint_SUITE.erl
+++ b/lib/stdlib/test/erl_lint_SUITE.erl
@@ -64,8 +64,8 @@
predef/1,
maps/1,maps_type/1,maps_parallel_match/1,
otp_11851/1,otp_11879/1,otp_13230/1,
- record_errors/1, otp_xxxxx/1,
- non_latin1_module/1]).
+ record_errors/1, otp_11879_cont/1,
+ non_latin1_module/1, otp_14323/1]).
suite() ->
[{ct_hooks,[ts_install_cth]},
@@ -85,7 +85,7 @@ all() ->
too_many_arguments, basic_errors, bin_syntax_errors, predef,
maps, maps_type, maps_parallel_match,
otp_11851, otp_11879, otp_13230,
- record_errors, otp_xxxxx, non_latin1_module].
+ record_errors, otp_11879_cont, non_latin1_module, otp_14323].
groups() ->
[{unused_vars_warn, [],
@@ -3875,7 +3875,7 @@ record_errors(Config) when is_list(Config) ->
{3,erl_lint,{redefine_field,r,a}}],[]}}],
run(Config, Ts).
-otp_xxxxx(Config) ->
+otp_11879_cont(Config) ->
Ts = [{constraint1,
<<"-export([t/1]).
-spec t(X) -> X when is_subtype(integer()).
@@ -3942,6 +3942,50 @@ do_non_latin1_module(Mod) ->
ok.
+%% OTP-14323: Check the dialyzer attribute.
+otp_14323(Config) ->
+ Ts = [
+ {otp_14323_1,
+ <<"-import(mod, [m/1]).
+
+ -export([f/0, g/0, h/0]).
+
+ -dialyzer({nowarn_function,module_info/0}). % undefined function
+ -dialyzer({nowarn_function,record_info/2}). % undefined function
+ -dialyzer({nowarn_function,m/1}). % undefined function
+
+ -dialyzer(nowarn_function). % unknown option
+ -dialyzer(1). % badly formed
+ -dialyzer(malformed). % unkonwn option
+ -dialyzer({malformed,f/0}). % unkonwn option
+ -dialyzer({nowarn_function,a/1}). % undefined function
+ -dialyzer({nowarn_function,{a,-1}}). % badly formed
+
+ -dialyzer([no_return, no_match]).
+ -dialyzer({nowarn_function, f/0}).
+ -dialyzer(no_improper_lists).
+ -dialyzer([{nowarn_function, [f/0]}, no_improper_lists]).
+ -dialyzer({no_improper_lists, g/0}).
+ -dialyzer({[no_return, no_match], [g/0, h/0]}).
+
+ f() -> a.
+ g() -> b.
+ h() -> c.">>,
+ [],
+ {errors,[{5,erl_lint,{undefined_function,{module_info,0}}},
+ {6,erl_lint,{undefined_function,{record_info,2}}},
+ {7,erl_lint,{undefined_function,{m,1}}},
+ {9,erl_lint,{bad_dialyzer_option,nowarn_function}},
+ {10,erl_lint,{bad_dialyzer_attribute,1}},
+ {11,erl_lint,{bad_dialyzer_option,malformed}},
+ {12,erl_lint,{bad_dialyzer_option,malformed}},
+ {13,erl_lint,{undefined_function,{a,1}}},
+ {14,erl_lint,{bad_dialyzer_attribute,
+ {nowarn_function,{a,-1}}}}],
+ []}}],
+ [] = run(Config, Ts),
+ ok.
+
run(Config, Tests) ->
F = fun({N,P,Ws,E}, BadL) ->
case catch run_test(Config, P, Ws) of
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-18 06:50:25 +0000