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-rw-r--r--lib/dialyzer/src/dialyzer.erl8
-rw-r--r--lib/dialyzer/src/dialyzer.hrl12
-rw-r--r--lib/dialyzer/src/dialyzer_analysis_callgraph.erl156
-rw-r--r--lib/dialyzer/src/dialyzer_behaviours.erl28
-rw-r--r--lib/dialyzer/src/dialyzer_cl.erl21
-rw-r--r--lib/dialyzer/src/dialyzer_codeserver.erl36
-rw-r--r--lib/dialyzer/src/dialyzer_contracts.erl63
-rw-r--r--lib/dialyzer/src/dialyzer_dataflow.erl152
-rw-r--r--lib/dialyzer/src/dialyzer_options.erl4
-rw-r--r--lib/dialyzer/src/dialyzer_plt.erl8
-rw-r--r--lib/dialyzer/src/dialyzer_races.erl17
-rw-r--r--lib/dialyzer/src/dialyzer_succ_typings.erl53
-rw-r--r--lib/dialyzer/src/dialyzer_typesig.erl2
-rw-r--r--lib/dialyzer/src/dialyzer_utils.erl226
14 files changed, 542 insertions, 244 deletions
diff --git a/lib/dialyzer/src/dialyzer.erl b/lib/dialyzer/src/dialyzer.erl
index cec94a49fd..c9e7da9ef0 100644
--- a/lib/dialyzer/src/dialyzer.erl
+++ b/lib/dialyzer/src/dialyzer.erl
@@ -282,15 +282,17 @@ cl_check_log(none) ->
cl_check_log(Output) ->
io:format(" Check output file `~s' for details\n", [Output]).
--spec format_warning(dial_warning()) -> string().
+-spec format_warning(raw_warning()) -> string().
format_warning(W) ->
format_warning(W, basename).
--spec format_warning(dial_warning(), fopt()) -> string().
+-spec format_warning(raw_warning() | dial_warning(), fopt()) -> string().
+format_warning({Tag, {File, Line, _MFA}, Msg}, FOpt) ->
+ format_warning({Tag, {File, Line}, Msg}, FOpt);
format_warning({_Tag, {File, Line}, Msg}, FOpt) when is_list(File),
- is_integer(Line) ->
+ is_integer(Line) ->
F = case FOpt of
fullpath -> File;
basename -> filename:basename(File)
diff --git a/lib/dialyzer/src/dialyzer.hrl b/lib/dialyzer/src/dialyzer.hrl
index 9a25f86512..90addc35a8 100644
--- a/lib/dialyzer/src/dialyzer.hrl
+++ b/lib/dialyzer/src/dialyzer.hrl
@@ -84,6 +84,15 @@
-type dial_warning() :: {dial_warn_tag(), file_line(), {atom(), [term()]}}.
%%
+%% This is the representation of each warning before suppressions have
+%% been applied
+%%
+-type m_or_mfa() :: module() % warnings not associated with any function
+ | mfa().
+-type warning_info() :: {file:filename(), non_neg_integer(), m_or_mfa()}.
+-type raw_warning() :: {dial_warn_tag(), warning_info(), {atom(), [term()]}}.
+
+%%
%% This is the representation of dialyzer's internal errors
%%
-type dial_error() :: any(). %% XXX: underspecified
@@ -103,6 +112,7 @@
-type fopt() :: 'basename' | 'fullpath'.
-type format() :: 'formatted' | 'raw'.
-type label() :: non_neg_integer().
+-type dial_warn_tags():: ordsets:ordset(dial_warn_tag()).
-type rep_mode() :: 'quiet' | 'normal' | 'verbose'.
-type start_from() :: 'byte_code' | 'src_code'.
-type mfa_or_funlbl() :: label() | mfa().
@@ -138,7 +148,7 @@
init_plts = [] :: [file:filename()],
include_dirs = [] :: [file:filename()],
output_plt = none :: 'none' | file:filename(),
- legal_warnings = ordsets:new() :: ordsets:ordset(dial_warn_tag()),
+ legal_warnings = ordsets:new() :: dial_warn_tags(),
report_mode = normal :: rep_mode(),
erlang_mode = false :: boolean(),
use_contracts = true :: boolean(),
diff --git a/lib/dialyzer/src/dialyzer_analysis_callgraph.erl b/lib/dialyzer/src/dialyzer_analysis_callgraph.erl
index af1c2b7e3a..5ff7ad9c6f 100644
--- a/lib/dialyzer/src/dialyzer_analysis_callgraph.erl
+++ b/lib/dialyzer/src/dialyzer_analysis_callgraph.erl
@@ -39,8 +39,6 @@
one_file_result/0,
compile_result/0]).
--export_type([no_warn_unused/0]).
-
-include("dialyzer.hrl").
-record(analysis_state,
@@ -50,8 +48,9 @@
defines = [] :: [dial_define()],
doc_plt :: dialyzer_plt:plt(),
include_dirs = [] :: [file:filename()],
- no_warn_unused :: no_warn_unused(),
parent :: pid(),
+ legal_warnings :: % command line options
+ [dial_warn_tag()],
plt :: dialyzer_plt:plt(),
start_from = byte_code :: start_from(),
use_contracts = true :: boolean(),
@@ -59,9 +58,10 @@
solvers :: [solver()]
}).
--record(server_state, {parent :: pid(), legal_warnings :: [dial_warn_tag()]}).
-
--type no_warn_unused() :: sets:set(mfa()).
+-record(server_state,
+ {
+ parent :: pid()
+ }).
%%--------------------------------------------------------------------
%% Main
@@ -75,24 +75,24 @@ start(Parent, LegalWarnings, Analysis) ->
Analysis0 =
Analysis#analysis{race_detection = RacesOn, timing_server = TimingServer},
Analysis1 = expand_files(Analysis0),
- Analysis2 = run_analysis(Analysis1),
- State = #server_state{parent = Parent, legal_warnings = LegalWarnings},
+ Analysis2 = run_analysis(Analysis1, LegalWarnings),
+ State = #server_state{parent = Parent},
loop(State, Analysis2, none),
dialyzer_timing:stop(TimingServer).
-run_analysis(Analysis) ->
+run_analysis(Analysis, LegalWarnings) ->
Self = self(),
- Fun = fun() -> analysis_start(Self, Analysis) end,
+ Fun = fun() -> analysis_start(Self, Analysis, LegalWarnings) end,
Analysis#analysis{analysis_pid = spawn_link(Fun)}.
-loop(#server_state{parent = Parent, legal_warnings = LegalWarnings} = State,
+loop(#server_state{parent = Parent} = State,
#analysis{analysis_pid = AnalPid} = Analysis, ExtCalls) ->
receive
{AnalPid, log, LogMsg} ->
send_log(Parent, LogMsg),
loop(State, Analysis, ExtCalls);
{AnalPid, warnings, Warnings} ->
- case filter_warnings(LegalWarnings, Warnings) of
+ case Warnings of
[] -> ok;
SendWarnings ->
send_warnings(Parent, SendWarnings)
@@ -129,7 +129,7 @@ loop(#server_state{parent = Parent, legal_warnings = LegalWarnings} = State,
%% The Analysis
%%--------------------------------------------------------------------
-analysis_start(Parent, Analysis) ->
+analysis_start(Parent, Analysis, LegalWarnings) ->
CServer = dialyzer_codeserver:new(),
Plt = Analysis#analysis.plt,
State = #analysis_state{codeserver = CServer,
@@ -139,13 +139,14 @@ analysis_start(Parent, Analysis) ->
include_dirs = Analysis#analysis.include_dirs,
plt = Plt,
parent = Parent,
+ legal_warnings = LegalWarnings,
start_from = Analysis#analysis.start_from,
use_contracts = Analysis#analysis.use_contracts,
timing_server = Analysis#analysis.timing_server,
solvers = Analysis#analysis.solvers
},
Files = ordsets:from_list(Analysis#analysis.files),
- {Callgraph, NoWarn, TmpCServer0} = compile_and_store(Files, State),
+ {Callgraph, TmpCServer0} = compile_and_store(Files, State),
%% Remote type postprocessing
NewCServer =
try
@@ -177,7 +178,6 @@ analysis_start(Parent, Analysis) ->
State0 = State#analysis_state{plt = NewPlt1},
dump_callgraph(Callgraph, State0, Analysis),
State1 = State0#analysis_state{codeserver = NewCServer},
- State2 = State1#analysis_state{no_warn_unused = NoWarn},
%% Remove all old versions of the files being analyzed
AllNodes = dialyzer_callgraph:all_nodes(Callgraph),
Plt1 = dialyzer_plt:delete_list(NewPlt1, AllNodes),
@@ -187,14 +187,14 @@ analysis_start(Parent, Analysis) ->
true -> dialyzer_callgraph:put_race_detection(true, Callgraph);
false -> Callgraph
end,
- State3 = analyze_callgraph(NewCallgraph, State2#analysis_state{plt = Plt1}),
+ State2 = analyze_callgraph(NewCallgraph, State1#analysis_state{plt = Plt1}),
dialyzer_callgraph:dispose_race_server(NewCallgraph),
rcv_and_send_ext_types(Parent),
NonExports = sets:subtract(sets:from_list(AllNodes), Exports),
NonExportsList = sets:to_list(NonExports),
- Plt2 = dialyzer_plt:delete_list(State3#analysis_state.plt, NonExportsList),
- send_codeserver_plt(Parent, CServer, State3#analysis_state.plt),
- send_analysis_done(Parent, Plt2, State3#analysis_state.doc_plt).
+ Plt2 = dialyzer_plt:delete_list(State2#analysis_state.plt, NonExportsList),
+ send_codeserver_plt(Parent, CServer, State2#analysis_state.plt),
+ send_analysis_done(Parent, Plt2, State2#analysis_state.doc_plt).
analyze_callgraph(Callgraph, #analysis_state{codeserver = Codeserver,
doc_plt = DocPlt,
@@ -210,11 +210,11 @@ analyze_callgraph(Callgraph, #analysis_state{codeserver = Codeserver,
TimingServer, Solvers, Parent),
{NewPlt0, DocPlt};
succ_typings ->
- NoWarn = State#analysis_state.no_warn_unused,
{Warnings, NewPlt0, NewDocPlt0} =
dialyzer_succ_typings:get_warnings(Callgraph, Plt, DocPlt, Codeserver,
- NoWarn, TimingServer, Solvers, Parent),
- send_warnings(State#analysis_state.parent, Warnings),
+ TimingServer, Solvers, Parent),
+ Warnings1 = filter_warnings(Warnings, Codeserver),
+ send_warnings(State#analysis_state.parent, Warnings1),
{NewPlt0, NewDocPlt0}
end,
dialyzer_callgraph:delete(Callgraph),
@@ -230,19 +230,22 @@ analyze_callgraph(Callgraph, #analysis_state{codeserver = Codeserver,
defines = [] :: [dial_define()],
include_dirs = [] :: [file:filename()],
start_from = byte_code :: start_from(),
- use_contracts = true :: boolean()
+ use_contracts = true :: boolean(),
+ legal_warnings :: [dial_warn_tag()]
}).
make_compile_init(#analysis_state{codeserver = Codeserver,
defines = Defs,
include_dirs = Dirs,
use_contracts = UseContracts,
+ legal_warnings = LegalWarnings,
start_from = StartFrom}, Callgraph) ->
#compile_init{callgraph = Callgraph,
codeserver = Codeserver,
defines = [{d, Macro, Val} || {Macro, Val} <- Defs],
include_dirs = [{i, D} || D <- Dirs],
use_contracts = UseContracts,
+ legal_warnings = LegalWarnings,
start_from = StartFrom}.
compile_and_store(Files, #analysis_state{codeserver = CServer,
@@ -252,7 +255,7 @@ compile_and_store(Files, #analysis_state{codeserver = CServer,
{T1, _} = statistics(wall_clock),
Callgraph = dialyzer_callgraph:new(),
CompileInit = make_compile_init(State, Callgraph),
- {{Failed, NoWarn, Modules}, NextLabel} =
+ {{Failed, Modules}, NextLabel} =
?timing(Timing, "compile", _C1,
dialyzer_coordinator:parallel_job(compile, Files,
CompileInit, Timing)),
@@ -281,34 +284,34 @@ compile_and_store(Files, #analysis_state{codeserver = CServer,
{T3, _} = statistics(wall_clock),
Msg2 = io_lib:format("done in ~.2f secs\n", [(T3-T2)/1000]),
send_log(Parent, Msg2),
- {Callgraph, sets:from_list(NoWarn), CServer2}.
+ {Callgraph, CServer2}.
-type compile_init_data() :: #compile_init{}.
-type error_reason() :: string().
--type compile_result() :: {[{file:filename(), error_reason()}], [mfa()],
+-type compile_result() :: {[{file:filename(), error_reason()}],
[module()]}. %%opaque
-type one_file_result() :: {error, error_reason()} |
{ok, [dialyzer_callgraph:callgraph_edge()],
- [mfa_or_funlbl()], [mfa()], module()}. %%opaque
--type compile_mid_data() :: {module(), cerl:cerl(), [mfa()],
+ [mfa_or_funlbl()], module()}. %%opaque
+-type compile_mid_data() :: {module(), cerl:cerl(),
dialyzer_callgraph:callgraph(),
dialyzer_codeserver:codeserver()}.
-spec compile_init_result() -> compile_result().
-compile_init_result() -> {[], [], []}.
+compile_init_result() -> {[], []}.
-spec add_to_result(file:filename(), one_file_result(), compile_result(),
compile_init_data()) -> compile_result().
-add_to_result(File, NewData, {Failed, NoWarn, Mods}, InitData) ->
+add_to_result(File, NewData, {Failed, Mods}, InitData) ->
case NewData of
{error, Reason} ->
- {[{File, Reason}|Failed], NoWarn, Mods};
- {ok, V, E, NewNoWarn, Mod} ->
+ {[{File, Reason}|Failed], Mods};
+ {ok, V, E, Mod} ->
Callgraph = InitData#compile_init.callgraph,
dialyzer_callgraph:add_edges(E, V, Callgraph),
- {Failed, NewNoWarn ++ NoWarn, [Mod|Mods]}
+ {Failed, [Mod|Mods]}
end.
-spec start_compilation(file:filename(), compile_init_data()) ->
@@ -318,12 +321,14 @@ start_compilation(File,
#compile_init{callgraph = Callgraph, codeserver = Codeserver,
defines = Defines, include_dirs = IncludeD,
use_contracts = UseContracts,
+ legal_warnings = LegalWarnings,
start_from = StartFrom}) ->
case StartFrom of
src_code ->
- compile_src(File, IncludeD, Defines, Callgraph, Codeserver, UseContracts);
+ compile_src(File, IncludeD, Defines, Callgraph, Codeserver,
+ UseContracts, LegalWarnings);
byte_code ->
- compile_byte(File, Callgraph, Codeserver, UseContracts)
+ compile_byte(File, Callgraph, Codeserver, UseContracts, LegalWarnings)
end.
cleanup_callgraph(#analysis_state{plt = InitPlt, parent = Parent,
@@ -357,88 +362,86 @@ cleanup_callgraph(#analysis_state{plt = InitPlt, parent = Parent,
end,
Callgraph1.
-compile_src(File, Includes, Defines, Callgraph, CServer, UseContracts) ->
+compile_src(File, Includes, Defines, Callgraph, CServer, UseContracts,
+ LegalWarnings) ->
DefaultIncludes = default_includes(filename:dirname(File)),
SrcCompOpts = dialyzer_utils:src_compiler_opts(),
CompOpts = SrcCompOpts ++ Includes ++ Defines ++ DefaultIncludes,
case dialyzer_utils:get_abstract_code_from_src(File, CompOpts) of
{error, _Msg} = Error -> Error;
{ok, AbstrCode} ->
- compile_common(File, AbstrCode, CompOpts, Callgraph, CServer, UseContracts)
+ compile_common(File, AbstrCode, CompOpts, Callgraph, CServer,
+ UseContracts, LegalWarnings)
end.
-compile_byte(File, Callgraph, CServer, UseContracts) ->
+compile_byte(File, Callgraph, CServer, UseContracts, LegalWarnings) ->
case dialyzer_utils: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} ->
- compile_byte(File, AbstrCode, Callgraph, CServer, UseContracts)
+ compile_byte(File, AbstrCode, Callgraph, CServer, UseContracts,
+ LegalWarnings)
end.
-compile_byte(File, AbstrCode, Callgraph, CServer, UseContracts) ->
+compile_byte(File, AbstrCode, Callgraph, CServer, UseContracts,
+ LegalWarnings) ->
case dialyzer_utils: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} ->
- compile_common(File, AbstrCode, CompOpts, Callgraph, CServer, UseContracts)
+ compile_common(File, AbstrCode, CompOpts, Callgraph, CServer,
+ UseContracts, LegalWarnings)
end.
-compile_common(File, AbstrCode, CompOpts, Callgraph, CServer, UseContracts) ->
+compile_common(File, AbstrCode, CompOpts, Callgraph, CServer,
+ UseContracts, LegalWarnings) ->
case dialyzer_utils:get_core_from_abstract_code(AbstrCode, CompOpts) of
error -> {error, " Could not get core Erlang code for: " ++ File};
{ok, Core} ->
Mod = cerl:concrete(cerl:module_name(Core)),
- NoWarn = abs_get_nowarn(AbstrCode, Mod),
case dialyzer_utils:get_record_and_type_info(AbstrCode) of
{error, _} = Error -> Error;
{ok, RecInfo} ->
CServer1 =
dialyzer_codeserver:store_temp_records(Mod, RecInfo, CServer),
+ MetaFunInfo =
+ dialyzer_utils:get_fun_meta_info(Mod, AbstrCode, LegalWarnings),
+ CServer2 =
+ dialyzer_codeserver:insert_fun_meta_info(MetaFunInfo, CServer1),
case UseContracts of
true ->
case dialyzer_utils:get_spec_info(Mod, AbstrCode, RecInfo) of
{error, _} = Error -> Error;
{ok, SpecInfo, CallbackInfo} ->
- CServer2 =
+ CServer3 =
dialyzer_codeserver:store_temp_contracts(Mod, SpecInfo,
CallbackInfo,
- CServer1),
- store_core(Mod, Core, NoWarn, Callgraph, CServer2)
+ CServer2),
+ store_core(Mod, Core, Callgraph, CServer3)
end;
false ->
- store_core(Mod, Core, NoWarn, Callgraph, CServer1)
+ store_core(Mod, Core, Callgraph, CServer2)
end
end
end.
-store_core(Mod, Core, NoWarn, Callgraph, CServer) ->
+store_core(Mod, Core, Callgraph, CServer) ->
Exp = get_exports_from_core(Core),
ExpTypes = get_exported_types_from_core(Core),
CServer = dialyzer_codeserver:insert_exports(Exp, CServer),
CServer = dialyzer_codeserver:insert_temp_exported_types(ExpTypes, CServer),
CoreTree = cerl:from_records(Core),
- {ok, cerl_trees:size(CoreTree), {Mod, CoreTree, NoWarn, Callgraph, CServer}}.
+ CoreSize = cerl_trees:size(CoreTree),
+ {ok, CoreSize, {Mod, CoreTree, Callgraph, CServer}}.
-spec continue_compilation(integer(), compile_mid_data()) -> one_file_result().
-continue_compilation(NextLabel, {Mod, CoreTree, NoWarn, Callgraph, CServer}) ->
+continue_compilation(NextLabel, {Mod, CoreTree, Callgraph, CServer}) ->
{LabeledTree, _NewNextLabel} = cerl_trees:label(CoreTree, NextLabel),
LabeledCore = cerl:to_records(LabeledTree),
- store_code_and_build_callgraph(Mod, LabeledCore, Callgraph, NoWarn, CServer).
-
-abs_get_nowarn(Abs, M) ->
- Opts = lists:flatten([C || {attribute, _, compile, C} <- Abs]),
- Warn = erl_lint:bool_option(warn_unused_function, nowarn_unused_function,
- true, Opts),
- case Warn of
- false ->
- [{M, F, A} || {function, _, F, A, _} <- Abs]; % all functions
- true ->
- [{M, F, A} || {nowarn_unused_function, FAs} <- Opts,
- {F, A} <- lists:flatten([FAs])]
- end.
+ store_code_and_build_callgraph(Mod, LabeledCore, Callgraph, CServer).
get_exported_types_from_core(Core) ->
Attrs = cerl:module_attrs(Core),
@@ -456,11 +459,11 @@ get_exports_from_core(Core) ->
M = cerl:atom_val(cerl:module_name(Tree)),
[{M, F, A} || {F, A} <- Exports2].
-store_code_and_build_callgraph(Mod, Core, Callgraph, NoWarn, CServer) ->
+store_code_and_build_callgraph(Mod, Core, Callgraph, CServer) ->
CoreTree = cerl:from_records(Core),
{Vertices, Edges} = dialyzer_callgraph:scan_core_tree(CoreTree, Callgraph),
CServer = dialyzer_codeserver:insert(Mod, CoreTree, CServer),
- {ok, Vertices, Edges, NoWarn, Mod}.
+ {ok, Vertices, Edges, Mod}.
%%--------------------------------------------------------------------
%% Utilities
@@ -548,10 +551,19 @@ send_warnings(Parent, Warnings) ->
Parent ! {self(), warnings, Warnings},
ok.
-filter_warnings(LegalWarnings, Warnings) ->
- [TIW || {Tag, _Id, _Warning} = TIW <- Warnings,
- ordsets:is_element(Tag, LegalWarnings)].
+filter_warnings(Warnings, Codeserver) ->
+ [TWW || {Tag, WarningInfo, _Warning} = TWW <- Warnings,
+ is_ok_fun(WarningInfo, Codeserver),
+ is_ok_tag(Tag, WarningInfo, Codeserver)].
+
+is_ok_fun({_F, _L, Module}, _Codeserver) when is_atom(Module) ->
+ true;
+is_ok_fun({_Filename, _Line, {_M, _F, _A} = MFA}, Codeserver) ->
+ not dialyzer_utils:is_suppressed_fun(MFA, Codeserver).
+is_ok_tag(Tag, {_F, _L, MorMFA}, Codeserver) ->
+ not dialyzer_utils:is_suppressed_tag(MorMFA, Tag, Codeserver).
+
send_analysis_done(Parent, Plt, DocPlt) ->
Parent ! {self(), done, Plt, DocPlt},
ok.
@@ -573,7 +585,8 @@ send_codeserver_plt(Parent, CServer, Plt ) ->
ok.
send_bad_calls(Parent, BadCalls, CodeServer) ->
- send_warnings(Parent, format_bad_calls(BadCalls, CodeServer, [])).
+ FormatedBadCalls = format_bad_calls(BadCalls, CodeServer, []),
+ send_warnings(Parent, FormatedBadCalls).
send_mod_deps(Parent, ModuleDeps) ->
Parent ! {self(), mod_deps, ModuleDeps},
@@ -585,8 +598,9 @@ format_bad_calls([{{_, _, _}, {_, module_info, A}}|Left], CodeServer, Acc)
format_bad_calls([{FromMFA, {M, F, A} = To}|Left], CodeServer, Acc) ->
{_Var, FunCode} = dialyzer_codeserver:lookup_mfa_code(FromMFA, CodeServer),
Msg = {call_to_missing, [M, F, A]},
- FileLine = find_call_file_and_line(FunCode, To),
- NewAcc = [{?WARN_CALLGRAPH, FileLine, Msg}|Acc],
+ {File, Line} = find_call_file_and_line(FunCode, To),
+ WarningInfo = {File, Line, FromMFA},
+ NewAcc = [{?WARN_CALLGRAPH, WarningInfo, Msg}|Acc],
format_bad_calls(Left, CodeServer, NewAcc);
format_bad_calls([], _CodeServer, Acc) ->
Acc.
diff --git a/lib/dialyzer/src/dialyzer_behaviours.erl b/lib/dialyzer/src/dialyzer_behaviours.erl
index 1d458b49fc..19b63bd2c8 100644
--- a/lib/dialyzer/src/dialyzer_behaviours.erl
+++ b/lib/dialyzer/src/dialyzer_behaviours.erl
@@ -52,7 +52,7 @@
-spec check_callbacks(module(), [{cerl:cerl(), cerl:cerl()}], rectab(),
dialyzer_plt:plt(),
- dialyzer_codeserver:codeserver()) -> [dial_warning()].
+ dialyzer_codeserver:codeserver()) -> [raw_warning()].
check_callbacks(Module, Attrs, Records, Plt, Codeserver) ->
{Behaviours, BehLines} = get_behaviours(Attrs),
@@ -65,7 +65,7 @@ check_callbacks(Module, Attrs, Records, Plt, Codeserver) ->
State = #state{plt = Plt, filename = File, behlines = BehLines,
codeserver = Codeserver, records = Records},
Warnings = get_warnings(Module, Behaviours, State),
- [add_tag_file_line(Module, W, State) || W <- Warnings]
+ [add_tag_warning_info(Module, W, State) || W <- Warnings]
end.
%%--------------------------------------------------------------------
@@ -102,14 +102,18 @@ check_all_callbacks(Module, Behaviour, [Cb|Rest],
#state{plt = Plt, codeserver = Codeserver,
records = Records} = State, Acc) ->
{{Behaviour, Function, Arity},
- {{_BehFile, _BehLine}, Callback}} = Cb,
+ {{_BehFile, _BehLine}, Callback, Xtra}} = Cb,
CbMFA = {Module, Function, Arity},
CbReturnType = dialyzer_contracts:get_contract_return(Callback),
CbArgTypes = dialyzer_contracts:get_contract_args(Callback),
Acc0 = Acc,
Acc1 =
case dialyzer_plt:lookup(Plt, CbMFA) of
- 'none' -> [{callback_missing, [Behaviour, Function, Arity]}|Acc0];
+ 'none' ->
+ case lists:member(optional_callback, Xtra) of
+ true -> Acc0;
+ false -> [{callback_missing, [Behaviour, Function, Arity]}|Acc0]
+ end;
{'value', RetArgTypes} ->
Acc00 = Acc0,
{ReturnType, ArgTypes} = RetArgTypes,
@@ -137,7 +141,7 @@ check_all_callbacks(Module, Behaviour, [Cb|Rest],
Acc2 =
case dialyzer_codeserver:lookup_mfa_contract(CbMFA, Codeserver) of
'error' -> Acc1;
- {ok, {{File, Line}, Contract}} ->
+ {ok, {{File, Line}, Contract, _Xtra}} ->
Acc10 = Acc1,
SpecReturnType0 = dialyzer_contracts:get_contract_return(Contract),
SpecArgTypes0 = dialyzer_contracts:get_contract_args(Contract),
@@ -189,7 +193,7 @@ find_mismatching_args(Kind, [Type|Rest], [CbType|CbRest], Behaviour,
Arity, Records, N+1, NewAcc)
end.
-add_tag_file_line(_Module, {Tag, [B|_R]} = Warn, State)
+add_tag_warning_info(Module, {Tag, [B|_R]} = Warn, State)
when Tag =:= callback_missing;
Tag =:= callback_info_missing ->
{B, Line} = lists:keyfind(B, 1, State#state.behlines),
@@ -198,18 +202,18 @@ add_tag_file_line(_Module, {Tag, [B|_R]} = Warn, State)
callback_missing -> ?WARN_BEHAVIOUR;
callback_info_missing -> ?WARN_UNDEFINED_CALLBACK
end,
- {Category, {State#state.filename, Line}, Warn};
-add_tag_file_line(_Module, {Tag, [File, Line|R]}, _State)
+ {Category, {State#state.filename, Line, Module}, Warn};
+add_tag_warning_info(Module, {Tag, [File, Line|R]}, _State)
when Tag =:= callback_spec_type_mismatch;
Tag =:= callback_spec_arg_type_mismatch ->
- {?WARN_BEHAVIOUR, {File, Line}, {Tag, R}};
-add_tag_file_line(Module, {_Tag, [_B, Fun, Arity|_R]} = Warn, State) ->
+ {?WARN_BEHAVIOUR, {File, Line, Module}, {Tag, R}};
+add_tag_warning_info(Module, {_Tag, [_B, Fun, Arity|_R]} = Warn, State) ->
{_A, FunCode} =
dialyzer_codeserver:lookup_mfa_code({Module, Fun, Arity},
State#state.codeserver),
Anns = cerl:get_ann(FunCode),
- FileLine = {get_file(Anns), get_line(Anns)},
- {?WARN_BEHAVIOUR, FileLine, Warn}.
+ WarningInfo = {get_file(Anns), get_line(Anns), {Module, Fun, Arity}},
+ {?WARN_BEHAVIOUR, WarningInfo, Warn}.
get_line([Line|_]) when is_integer(Line) -> Line;
get_line([_|Tail]) -> get_line(Tail);
diff --git a/lib/dialyzer/src/dialyzer_cl.erl b/lib/dialyzer/src/dialyzer_cl.erl
index 3e7d9dfa99..debb78bd0b 100644
--- a/lib/dialyzer/src/dialyzer_cl.erl
+++ b/lib/dialyzer/src/dialyzer_cl.erl
@@ -48,7 +48,7 @@
plt_info = none :: 'none' | dialyzer_plt:plt_info(),
report_mode = normal :: rep_mode(),
return_status= ?RET_NOTHING_SUSPICIOUS :: dial_ret(),
- stored_warnings = [] :: [dial_warning()],
+ stored_warnings = [] :: [raw_warning()],
unknown_behaviours = [] :: [dialyzer_behaviours:behaviour()]
}).
@@ -627,7 +627,7 @@ format_log_cache(LogCache) ->
Str = lists:append(lists:reverse(LogCache)),
string:join(string:tokens(Str, "\n"), "\n ").
--spec store_warnings(#cl_state{}, [dial_warning()]) -> #cl_state{}.
+-spec store_warnings(#cl_state{}, [raw_warning()]) -> #cl_state{}.
store_warnings(#cl_state{stored_warnings = StoredWarnings} = St, Warnings) ->
St#cl_state{stored_warnings = StoredWarnings ++ Warnings}.
@@ -685,16 +685,22 @@ return_value(State = #cl_state{erlang_mode = ErlangMode,
unknown_behaviours(State);
false -> []
end,
+ WarningInfo = {_Filename = "", _Line = 0, _MorMFA = ''},
UnknownWarnings =
- [{?WARN_UNKNOWN, {_Filename = "", _Line = 0}, W} || W <- Unknown],
+ [{?WARN_UNKNOWN, WarningInfo, W} || W <- Unknown],
AllWarnings =
UnknownWarnings ++ process_warnings(StoredWarnings),
- {RetValue, AllWarnings}
+ {RetValue, set_warning_id(AllWarnings)}
end.
unknown_functions(#cl_state{external_calls = Calls}) ->
[{unknown_function, MFA} || MFA <- Calls].
+set_warning_id(Warnings) ->
+ lists:map(fun({Tag, {File, Line, _MorMFA}, Msg}) ->
+ {Tag, {File, Line}, Msg}
+ end, Warnings).
+
print_ext_calls(#cl_state{report_mode = quiet}) ->
ok;
print_ext_calls(#cl_state{output = Output,
@@ -817,15 +823,16 @@ print_warnings(#cl_state{output = Output,
formatted ->
[dialyzer:format_warning(W, FOpt) || W <- PrWarnings];
raw ->
- [io_lib:format("~p. \n", [W]) || W <- PrWarnings]
+ [io_lib:format("~p. \n",
+ [W]) || W <- set_warning_id(PrWarnings)]
end,
io:format(Output, "\n~s", [S])
end.
--spec process_warnings([dial_warning()]) -> [dial_warning()].
+-spec process_warnings([raw_warning()]) -> [raw_warning()].
process_warnings(Warnings) ->
- Warnings1 = lists:keysort(2, Warnings), %% Sort on file/line
+ Warnings1 = lists:keysort(2, Warnings), %% Sort on file/line (and m/mfa..)
remove_duplicate_warnings(Warnings1, []).
remove_duplicate_warnings([Duplicate, Duplicate|Left], Acc) ->
diff --git a/lib/dialyzer/src/dialyzer_codeserver.erl b/lib/dialyzer/src/dialyzer_codeserver.erl
index aab3d6add6..e0add00061 100644
--- a/lib/dialyzer/src/dialyzer_codeserver.erl
+++ b/lib/dialyzer/src/dialyzer_codeserver.erl
@@ -43,19 +43,21 @@
insert/3,
insert_exports/2,
insert_temp_exported_types/2,
+ insert_fun_meta_info/2,
is_exported/2,
lookup_mod_code/2,
lookup_mfa_code/2,
lookup_mod_records/2,
lookup_mod_contracts/2,
lookup_mfa_contract/2,
+ lookup_meta_info/2,
new/0,
set_next_core_label/2,
set_temp_records/2,
store_temp_records/3,
store_temp_contracts/4]).
--export_type([codeserver/0]).
+-export_type([codeserver/0, fun_meta_info/0]).
-include("dialyzer.hrl").
@@ -70,12 +72,19 @@
-type contracts() :: dict:dict(mfa(),dialyzer_contracts:file_contract()).
-type mod_contracts() :: dict:dict(module(), contracts()).
+%% A property-list of data compiled from -compile and -dialyzer attributes.
+-type meta_info() :: [{{'nowarn_function' | dial_warn_tag()},
+ 'mod' | 'func'}].
+-type fun_meta_info() :: [{mfa(), meta_info()}
+ | {module(), [dial_warn_tag()]}].
+
-record(codeserver, {next_core_label = 0 :: label(),
code :: dict_ets(),
exported_types :: set_ets(), % set(mfa())
records :: dict_ets(),
contracts :: dict_ets(),
callbacks :: dict_ets(),
+ fun_meta_info :: dict_ets(), % {mfa(), meta_info()}
exports :: 'clean' | set_ets(), % set(mfa())
temp_exported_types :: 'clean' | set_ets(), % set(mfa())
temp_records :: 'clean' | dict_ets(),
@@ -129,14 +138,17 @@ new() ->
CodeOptions = [compressed, public, {read_concurrency, true}],
Code = ets:new(dialyzer_codeserver_code, CodeOptions),
TempOptions = [public, {write_concurrency, true}],
- [Exports, TempExportedTypes, TempRecords, TempContracts, TempCallbacks] =
+ [Exports, FunMetaInfo, TempExportedTypes, TempRecords, TempContracts,
+ TempCallbacks] =
[ets:new(Name, TempOptions) ||
Name <-
- [dialyzer_codeserver_exports, dialyzer_codeserver_temp_exported_types,
+ [dialyzer_codeserver_exports, dialyzer_codeserver_fun_meta_info,
+ dialyzer_codeserver_temp_exported_types,
dialyzer_codeserver_temp_records, dialyzer_codeserver_temp_contracts,
dialyzer_codeserver_temp_callbacks]],
#codeserver{code = Code,
exports = Exports,
+ fun_meta_info = FunMetaInfo,
temp_exported_types = TempExportedTypes,
temp_records = TempRecords,
temp_contracts = TempContracts,
@@ -184,6 +196,12 @@ insert_exports(List, #codeserver{exports = Exports} = CS) ->
true = ets_set_insert_list(List, Exports),
CS.
+-spec insert_fun_meta_info(fun_meta_info(), codeserver()) -> codeserver().
+
+insert_fun_meta_info(List, #codeserver{fun_meta_info = FunMetaInfo} = CS) ->
+ true = ets:insert(FunMetaInfo, List),
+ CS.
+
-spec is_exported(mfa(), codeserver()) -> boolean().
is_exported(MFA, #codeserver{exports = Exports}) ->
@@ -278,10 +296,10 @@ lookup_mod_contracts(Mod, #codeserver{contracts = ContDict})
case ets_dict_find(Mod, ContDict) of
error -> dict:new();
{ok, Keys} ->
- dict:from_list([get_contract_pair(Key, ContDict)|| Key <- Keys])
+ dict:from_list([get_file_contract(Key, ContDict)|| Key <- Keys])
end.
-get_contract_pair(Key, ContDict) ->
+get_file_contract(Key, ContDict) ->
{Key, ets:lookup_element(ContDict, Key, 2)}.
-spec lookup_mfa_contract(mfa(), codeserver()) ->
@@ -290,6 +308,14 @@ get_contract_pair(Key, ContDict) ->
lookup_mfa_contract(MFA, #codeserver{contracts = ContDict}) ->
ets_dict_find(MFA, ContDict).
+-spec lookup_meta_info(module() | mfa(), codeserver()) -> meta_info().
+
+lookup_meta_info(MorMFA, #codeserver{fun_meta_info = FunMetaInfo}) ->
+ case ets_dict_find(MorMFA, FunMetaInfo) of
+ error -> [];
+ {ok, PropList} -> PropList
+ end.
+
-spec get_contracts(codeserver()) -> mod_contracts().
get_contracts(#codeserver{contracts = ContDict}) ->
diff --git a/lib/dialyzer/src/dialyzer_contracts.erl b/lib/dialyzer/src/dialyzer_contracts.erl
index f27fc1a842..39a178cb7d 100644
--- a/lib/dialyzer/src/dialyzer_contracts.erl
+++ b/lib/dialyzer/src/dialyzer_contracts.erl
@@ -43,7 +43,7 @@
%% Types used in other parts of the system below
%%-----------------------------------------------------------------------
--type file_contract() :: {file_line(), #contract{}}.
+-type file_contract() :: {file_line(), #contract{}, Extra :: [_]}.
-type plt_contracts() :: [{mfa(), #contract{}}]. % actually, an orddict()
@@ -146,10 +146,10 @@ process_contract_remote_types(CodeServer) ->
ExpTypes = dialyzer_codeserver:get_exported_types(CodeServer),
RecordDict = dialyzer_codeserver:get_records(CodeServer),
ContractFun =
- fun({_M, _F, _A}, {File, #tmp_contract{contract_funs = CFuns, forms = Forms}}) ->
+ fun({_M, _F, _A}, {File, #tmp_contract{contract_funs = CFuns, forms = Forms}, Xtra}) ->
NewCs = [CFun(ExpTypes, RecordDict) || CFun <- CFuns],
Args = general_domain(NewCs),
- {File, #contract{contracts = NewCs, args = Args, forms = Forms}}
+ {File, #contract{contracts = NewCs, args = Args, forms = Forms}, Xtra}
end,
ModuleFun =
fun(_ModuleName, ContractDict) ->
@@ -175,7 +175,7 @@ check_contracts(Contracts, Callgraph, FunTypes, FindOpaques) ->
case dialyzer_callgraph:lookup_name(Label, Callgraph) of
{ok, {M,F,A} = MFA} ->
case orddict:find(MFA, Contracts) of
- {ok, {_FileLine, Contract}} ->
+ {ok, {_FileLine, Contract, _Xtra}} ->
Opaques = FindOpaques(M),
case check_contract(Contract, Type, Opaques) of
ok ->
@@ -351,7 +351,7 @@ solve_constraints(Contract, Call, Constraints) ->
%% Checks the contracts for functions that are not implemented
-spec contracts_without_fun(contracts(), [_], dialyzer_callgraph:callgraph()) ->
- [dial_warning()].
+ [raw_warning()].
contracts_without_fun(Contracts, AllFuns0, Callgraph) ->
AllFuns1 = [{dialyzer_callgraph:lookup_name(Label, Callgraph), Arity}
@@ -362,8 +362,9 @@ contracts_without_fun(Contracts, AllFuns0, Callgraph) ->
[warn_spec_missing_fun(MFA, Contracts) || MFA <- ErrorContractMFAs].
warn_spec_missing_fun({M, F, A} = MFA, Contracts) ->
- {FileLine, _Contract} = dict:fetch(MFA, Contracts),
- {?WARN_CONTRACT_SYNTAX, FileLine, {spec_missing_fun, [M, F, A]}}.
+ {{File, Line}, _Contract, _Xtra} = dict:fetch(MFA, Contracts),
+ WarningInfo = {File, Line, MFA},
+ {?WARN_CONTRACT_SYNTAX, WarningInfo, {spec_missing_fun, [M, F, A]}}.
%% This treats the "when" constraints. It will be extended, we hope.
insert_constraints([{subtype, Type1, Type2}|Left], Dict) ->
@@ -386,14 +387,16 @@ insert_constraints([], Dict) -> Dict.
-type types() :: erl_types:type_table().
--spec store_tmp_contract(mfa(), file_line(), [_], contracts(), types()) ->
+-type spec_data() :: {TypeSpec :: [_], Xtra:: [_]}.
+
+-spec store_tmp_contract(mfa(), file_line(), spec_data(), contracts(), types()) ->
contracts().
-store_tmp_contract(MFA, FileLine, TypeSpec, SpecDict, RecordsDict) ->
+store_tmp_contract(MFA, FileLine, {TypeSpec, Xtra}, SpecDict, RecordsDict) ->
%% io:format("contract from form: ~p\n", [TypeSpec]),
TmpContract = contract_from_form(TypeSpec, RecordsDict, FileLine),
%% io:format("contract: ~p\n", [TmpContract]),
- dict:store(MFA, {FileLine, TmpContract}, SpecDict).
+ dict:store(MFA, {FileLine, TmpContract, Xtra}, SpecDict).
contract_from_form(Forms, RecDict, FileLine) ->
{CFuns, Forms1} = contract_from_form(Forms, RecDict, FileLine, [], []),
@@ -583,7 +586,7 @@ general_domain([], AccSig) ->
-spec get_invalid_contract_warnings([module()],
dialyzer_codeserver:codeserver(),
dialyzer_plt:plt(),
- opaques_fun()) -> [dial_warning()].
+ opaques_fun()) -> [raw_warning()].
get_invalid_contract_warnings(Modules, CodeServer, Plt, FindOpaques) ->
get_invalid_contract_warnings_modules(Modules, CodeServer, Plt, FindOpaques, []).
@@ -597,7 +600,7 @@ get_invalid_contract_warnings_modules([Mod|Mods], CodeServer, Plt, FindOpaques,
get_invalid_contract_warnings_modules([], _CodeServer, _Plt, _FindOpaques, Acc) ->
Acc.
-get_invalid_contract_warnings_funs([{MFA, {FileLine, Contract}}|Left],
+get_invalid_contract_warnings_funs([{MFA, {FileLine, Contract, _Xtra}}|Left],
Plt, RecDict, FindOpaques, Acc) ->
case dialyzer_plt:lookup(Plt, MFA) of
none ->
@@ -607,12 +610,14 @@ get_invalid_contract_warnings_funs([{MFA, {FileLine, Contract}}|Left],
Sig = erl_types:t_fun(Args, Ret),
{M, _F, _A} = MFA,
Opaques = FindOpaques(M),
+ {File, Line} = FileLine,
+ WarningInfo = {File, Line, MFA},
NewAcc =
case check_contract(Contract, Sig, Opaques) of
{error, invalid_contract} ->
- [invalid_contract_warning(MFA, FileLine, Sig, RecDict)|Acc];
+ [invalid_contract_warning(MFA, WarningInfo, Sig, RecDict)|Acc];
{error, {overlapping_contract, []}} ->
- [overlapping_contract_warning(MFA, FileLine)|Acc];
+ [overlapping_contract_warning(MFA, WarningInfo)|Acc];
{error, {extra_range, ExtraRanges, STRange}} ->
Warn =
case t_from_forms_without_remote(Contract#contract.forms,
@@ -625,12 +630,12 @@ get_invalid_contract_warnings_funs([{MFA, {FileLine, Contract}}|Left],
end,
case Warn of
true ->
- [extra_range_warning(MFA, FileLine, ExtraRanges, STRange)|Acc];
+ [extra_range_warning(MFA, WarningInfo, ExtraRanges, STRange)|Acc];
false ->
Acc
end;
{error, Msg} ->
- [{?WARN_CONTRACT_SYNTAX, FileLine, Msg}|Acc];
+ [{?WARN_CONTRACT_SYNTAX, WarningInfo, Msg}|Acc];
ok ->
{M, F, A} = MFA,
CSig0 = get_contract_signature(Contract),
@@ -644,14 +649,14 @@ get_invalid_contract_warnings_funs([{MFA, {FileLine, Contract}}|Left],
BifSig = erl_types:t_fun(BifArgs, BifRet),
case check_contract(Contract, BifSig, Opaques) of
{error, _} ->
- [invalid_contract_warning(MFA, FileLine, BifSig, RecDict)
+ [invalid_contract_warning(MFA, WarningInfo, BifSig, RecDict)
|Acc];
ok ->
- picky_contract_check(CSig, BifSig, MFA, FileLine,
+ picky_contract_check(CSig, BifSig, MFA, WarningInfo,
Contract, RecDict, Acc)
end;
false ->
- picky_contract_check(CSig, Sig, MFA, FileLine, Contract,
+ picky_contract_check(CSig, Sig, MFA, WarningInfo, Contract,
RecDict, Acc)
end
end,
@@ -660,20 +665,20 @@ get_invalid_contract_warnings_funs([{MFA, {FileLine, Contract}}|Left],
get_invalid_contract_warnings_funs([], _Plt, _RecDict, _FindOpaques, Acc) ->
Acc.
-invalid_contract_warning({M, F, A}, FileLine, SuccType, RecDict) ->
+invalid_contract_warning({M, F, A}, WarningInfo, SuccType, RecDict) ->
SuccTypeStr = dialyzer_utils:format_sig(SuccType, RecDict),
- {?WARN_CONTRACT_TYPES, FileLine, {invalid_contract, [M, F, A, SuccTypeStr]}}.
+ {?WARN_CONTRACT_TYPES, WarningInfo, {invalid_contract, [M, F, A, SuccTypeStr]}}.
-overlapping_contract_warning({M, F, A}, FileLine) ->
- {?WARN_CONTRACT_TYPES, FileLine, {overlapping_contract, [M, F, A]}}.
+overlapping_contract_warning({M, F, A}, WarningInfo) ->
+ {?WARN_CONTRACT_TYPES, WarningInfo, {overlapping_contract, [M, F, A]}}.
-extra_range_warning({M, F, A}, FileLine, ExtraRanges, STRange) ->
+extra_range_warning({M, F, A}, WarningInfo, ExtraRanges, STRange) ->
ERangesStr = erl_types:t_to_string(ExtraRanges),
STRangeStr = erl_types:t_to_string(STRange),
- {?WARN_CONTRACT_SUPERTYPE, FileLine,
+ {?WARN_CONTRACT_SUPERTYPE, WarningInfo,
{extra_range, [M, F, A, ERangesStr, STRangeStr]}}.
-picky_contract_check(CSig0, Sig0, MFA, FileLine, Contract, RecDict, Acc) ->
+picky_contract_check(CSig0, Sig0, MFA, WarningInfo, Contract, RecDict, Acc) ->
CSig = erl_types:t_abstract_records(CSig0, RecDict),
Sig = erl_types:t_abstract_records(Sig0, RecDict),
case erl_types:t_is_equal(CSig, Sig) of
@@ -683,7 +688,7 @@ picky_contract_check(CSig0, Sig0, MFA, FileLine, Contract, RecDict, Acc) ->
erl_types:t_is_unit(erl_types:t_fun_range(CSig))) of
true -> Acc;
false ->
- case extra_contract_warning(MFA, FileLine, Contract,
+ case extra_contract_warning(MFA, WarningInfo, Contract,
CSig0, Sig0, RecDict) of
no_warning -> Acc;
{warning, Warning} -> [Warning|Acc]
@@ -691,7 +696,7 @@ picky_contract_check(CSig0, Sig0, MFA, FileLine, Contract, RecDict, Acc) ->
end
end.
-extra_contract_warning({M, F, A}, FileLine, Contract, CSig, Sig, RecDict) ->
+extra_contract_warning({M, F, A}, WarningInfo, Contract, CSig, Sig, RecDict) ->
%% We do not want to depend upon erl_types:t_to_string() possibly
%% hiding the contents of opaque types.
SigUnopaque = erl_types:t_unopaque(Sig),
@@ -722,7 +727,7 @@ extra_contract_warning({M, F, A}, FileLine, Contract, CSig, Sig, RecDict) ->
{?WARN_CONTRACT_NOT_EQUAL,
{contract_diff, [M, F, A, ContractString, SigString]}}
end,
- {warning, {Tag, FileLine, Msg}}
+ {warning, {Tag, WarningInfo, Msg}}
end.
is_remote_types_related(Contract, CSig, Sig, RecDict) ->
diff --git a/lib/dialyzer/src/dialyzer_dataflow.erl b/lib/dialyzer/src/dialyzer_dataflow.erl
index 03005e689f..ea1b09fcdd 100644
--- a/lib/dialyzer/src/dialyzer_dataflow.erl
+++ b/lib/dialyzer/src/dialyzer_dataflow.erl
@@ -28,14 +28,15 @@
-module(dialyzer_dataflow).
--export([get_fun_types/4, get_warnings/5, format_args/3]).
+-export([get_fun_types/5, get_warnings/5, format_args/3]).
%% Data structure interfaces.
-export([state__add_warning/2, state__cleanup/1,
state__duplicate/1, dispose_state/1,
state__get_callgraph/1, state__get_races/1,
state__get_records/1, state__put_callgraph/2,
- state__put_races/2, state__records_only/1]).
+ state__put_races/2, state__records_only/1,
+ state__find_function/2]).
-export_type([state/0]).
@@ -89,6 +90,8 @@
-type type() :: erl_types:erl_type().
-type types() :: erl_types:type_table().
+-type curr_fun() :: 'undefined' | 'top' | mfa_or_funlbl().
+
-define(no_arg, no_arg).
-define(TYPE_LIMIT, 3).
@@ -96,17 +99,20 @@
-define(BITS, 128).
-record(state, {callgraph :: dialyzer_callgraph:callgraph(),
+ codeserver :: dialyzer_codeserver:codeserver(),
envs :: env_tab(),
fun_tab :: fun_tab(),
+ fun_homes :: dict:dict(label(), mfa()),
plt :: dialyzer_plt:plt(),
opaques :: [type()],
races = dialyzer_races:new() :: dialyzer_races:races(),
records = dict:new() :: types(),
tree_map :: dict:dict(label(), cerl:cerl()),
warning_mode = false :: boolean(),
- warnings = [] :: [dial_warning()],
+ warnings = [] :: [raw_warning()],
work :: {[_], [_], sets:set()},
- module :: module()
+ module :: module(),
+ curr_fun :: curr_fun()
}).
-record(map, {dict = dict:new() :: type_tab(),
@@ -115,7 +121,6 @@
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(),
@@ -133,22 +138,24 @@
-type fun_types() :: dict:dict(label(), type()).
-spec get_warnings(cerl:c_module(), dialyzer_plt:plt(),
- dialyzer_callgraph:callgraph(), types(), nowarn()) ->
- {[dial_warning()], fun_types()}.
-
-get_warnings(Tree, Plt, Callgraph, Records, NoWarnUnused) ->
- State1 = analyze_module(Tree, Plt, Callgraph, Records, true),
- State2 =
- state__renew_warnings(state__get_warnings(State1, NoWarnUnused), State1),
+ dialyzer_callgraph:callgraph(),
+ dialyzer_codeserver:codeserver(),
+ types()) ->
+ {[raw_warning()], fun_types()}.
+
+get_warnings(Tree, Plt, Callgraph, Codeserver, Records) ->
+ State1 = analyze_module(Tree, Plt, Callgraph, Codeserver, Records, true),
+ State2 = state__renew_warnings(state__get_warnings(State1), State1),
State3 = state__get_race_warnings(State2),
{State3#state.warnings, state__all_fun_types(State3)}.
-spec get_fun_types(cerl:c_module(), dialyzer_plt:plt(),
dialyzer_callgraph:callgraph(),
+ dialyzer_codeserver:codeserver(),
types()) -> fun_types().
-get_fun_types(Tree, Plt, Callgraph, Records) ->
- State = analyze_module(Tree, Plt, Callgraph, Records, false),
+get_fun_types(Tree, Plt, Callgraph, Codeserver, Records) ->
+ State = analyze_module(Tree, Plt, Callgraph, Codeserver, Records, false),
state__all_fun_types(State).
%%% ===========================================================================
@@ -157,11 +164,11 @@ get_fun_types(Tree, Plt, Callgraph, Records) ->
%%%
%%% ===========================================================================
-analyze_module(Tree, Plt, Callgraph, Records, GetWarnings) ->
+analyze_module(Tree, Plt, Callgraph, Codeserver, Records, GetWarnings) ->
debug_pp(Tree, false),
Module = cerl:atom_val(cerl:module_name(Tree)),
TopFun = cerl:ann_c_fun([{label, top}], [], Tree),
- State = state__new(Callgraph, TopFun, Plt, Module, Records),
+ State = state__new(Callgraph, Codeserver, TopFun, Plt, Module, Records),
State1 = state__race_analysis(not GetWarnings, State),
State2 = analyze_loop(State1),
case GetWarnings of
@@ -175,25 +182,26 @@ analyze_module(Tree, Plt, Callgraph, Records, GetWarnings) ->
analyze_loop(State) ->
case state__get_work(State) of
- none -> State;
- {Fun, NewState1} ->
+ none -> state__set_curr_fun(undefined, State);
+ {Fun, NewState0} ->
+ NewState1 = state__set_curr_fun(get_label(Fun), NewState0),
{ArgTypes, IsCalled} = state__get_args_and_status(Fun, NewState1),
case not IsCalled of
true ->
?debug("Not handling (not called) ~w: ~s\n",
- [state__lookup_name(get_label(Fun), State),
+ [NewState1#state.curr_fun,
t_to_string(t_product(ArgTypes))]),
analyze_loop(NewState1);
false ->
case state__fun_env(Fun, NewState1) of
none ->
?debug("Not handling (no env) ~w: ~s\n",
- [state__lookup_name(get_label(Fun), State),
+ [NewState1#state.curr_fun,
t_to_string(t_product(ArgTypes))]),
analyze_loop(NewState1);
Map ->
?debug("Handling fun ~p: ~s\n",
- [state__lookup_name(get_label(Fun), State),
+ [NewState1#state.curr_fun,
t_to_string(state__fun_type(Fun, NewState1))]),
Vars = cerl:fun_vars(Fun),
Map1 = enter_type_lists(Vars, ArgTypes, Map),
@@ -212,7 +220,7 @@ analyze_loop(State) ->
{NewState4, _Map2, BodyType} =
traverse(Body, Map1, NewState3),
?debug("Done analyzing: ~w:~s\n",
- [state__lookup_name(get_label(Fun), State),
+ [NewState1#state.curr_fun,
t_to_string(t_fun(ArgTypes, BodyType))]),
NewState5 =
case IsRaceAnalysisEnabled of
@@ -2780,10 +2788,9 @@ filter_match_fail([]) ->
%%%
%%% ===========================================================================
-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),
+state__new(Callgraph, Codeserver, Tree, Plt, Module, Records) ->
+ Opaques = erl_types:t_opaque_from_records(Records),
+ {TreeMap, FunHomes} = build_tree_map(Tree, Callgraph),
Funs = dict:fetch_keys(TreeMap),
FunTab = init_fun_tab(Funs, dict:new(), TreeMap, Callgraph, Plt),
ExportedFuns =
@@ -2791,7 +2798,8 @@ state__new(Callgraph, Tree, Plt, Module, Records) ->
Work = init_work(ExportedFuns),
Env = lists:foldl(fun(Fun, Env) -> dict:store(Fun, map__new(), Env) end,
dict:new(), Funs),
- #state{callgraph = Callgraph, envs = Env, fun_tab = FunTab, opaques = Opaques,
+ #state{callgraph = Callgraph, codeserver = Codeserver,
+ envs = Env, fun_tab = FunTab, fun_homes = FunHomes, opaques = Opaques,
plt = Plt, races = dialyzer_races:new(), records = Records,
warning_mode = false, warnings = [], work = Work, tree_map = TreeMap,
module = Module}.
@@ -2830,7 +2838,7 @@ state__renew_race_list(RaceList, RaceListSize,
state__renew_warnings(Warnings, State) ->
State#state{warnings = Warnings}.
--spec state__add_warning(dial_warning(), state()) -> state().
+-spec state__add_warning(raw_warning(), state()) -> state().
state__add_warning(Warn, #state{warnings = Warnings} = State) ->
State#state{warnings = [Warn|Warnings]}.
@@ -2845,29 +2853,45 @@ state__add_warning(#state{warnings = Warnings, warning_mode = true} = State,
Ann = cerl:get_ann(Tree),
case Force of
true ->
- Warn = {Tag, {get_file(Ann), abs(get_line(Ann))}, Msg},
+ WarningInfo = {get_file(Ann),
+ abs(get_line(Ann)),
+ State#state.curr_fun},
+ Warn = {Tag, WarningInfo, Msg},
?debug("MSG ~s\n", [dialyzer:format_warning(Warn)]),
State#state{warnings = [Warn|Warnings]};
false ->
case is_compiler_generated(Ann) of
- true -> State;
- false ->
- Warn = {Tag, {get_file(Ann), get_line(Ann)}, Msg},
+ true -> State;
+ false ->
+ WarningInfo = {get_file(Ann), get_line(Ann), State#state.curr_fun},
+ Warn = {Tag, WarningInfo, Msg},
?debug("MSG ~s\n", [dialyzer:format_warning(Warn)]),
- State#state{warnings = [Warn|Warnings]}
+ State#state{warnings = [Warn|Warnings]}
end
end.
+-spec state__set_curr_fun(curr_fun(), state()) -> state().
+
+state__set_curr_fun(undefined, State) ->
+ State#state{curr_fun = undefined};
+state__set_curr_fun(FunLbl, State) ->
+ State#state{curr_fun = find_function(FunLbl, State)}.
+
+-spec state__find_function(mfa_or_funlbl(), state()) -> mfa_or_funlbl().
+
+state__find_function(FunLbl, State) ->
+ find_function(FunLbl, State).
+
state__get_race_warnings(#state{races = Races} = State) ->
{Races1, State1} = dialyzer_races:get_race_warnings(Races, State),
State1#state{races = Races1}.
state__get_warnings(#state{tree_map = TreeMap, fun_tab = FunTab,
- callgraph = Callgraph, plt = Plt} = State,
- NoWarnUnused) ->
+ callgraph = Callgraph, plt = Plt} = State) ->
FoldFun =
fun({top, _}, AccState) -> AccState;
({FunLbl, Fun}, AccState) ->
+ AccState1 = state__set_curr_fun(FunLbl, AccState),
{NotCalled, Ret} =
case dict:fetch(get_label(Fun), FunTab) of
{not_handled, {_Args0, Ret0}} -> {true, Ret0};
@@ -2875,17 +2899,12 @@ state__get_warnings(#state{tree_map = TreeMap, fun_tab = FunTab,
end,
case NotCalled of
true ->
- {Warn, Msg} =
- case dialyzer_callgraph:lookup_name(FunLbl, Callgraph) of
- error -> {false, {}};
- {ok, {_M, F, A} = MFA} ->
- {not sets:is_element(MFA, NoWarnUnused),
- {unused_fun, [F, A]}}
- end,
- case Warn of
- true -> state__add_warning(AccState, ?WARN_NOT_CALLED, Fun, Msg);
- false -> AccState
- end;
+ case dialyzer_callgraph:lookup_name(FunLbl, Callgraph) of
+ error -> AccState1;
+ {ok, {_M, F, A}} ->
+ Msg = {unused_fun, [F, A]},
+ state__add_warning(AccState1, ?WARN_NOT_CALLED, Fun, Msg)
+ end;
false ->
{Name, Contract} =
case dialyzer_callgraph:lookup_name(FunLbl, Callgraph) of
@@ -2898,7 +2917,7 @@ state__get_warnings(#state{tree_map = TreeMap, fun_tab = FunTab,
%% Check if the function has a contract that allows this.
Warn =
case Contract of
- none -> not parent_allows_this(FunLbl, State);
+ none -> not parent_allows_this(FunLbl, AccState1);
{value, C} ->
GenRet = dialyzer_contracts:get_contract_return(C),
not t_is_unit(GenRet)
@@ -2908,19 +2927,19 @@ state__get_warnings(#state{tree_map = TreeMap, fun_tab = FunTab,
case classify_returns(Fun) of
no_match ->
Msg = {no_return, [no_match|Name]},
- state__add_warning(AccState, ?WARN_RETURN_NO_RETURN,
+ state__add_warning(AccState1, ?WARN_RETURN_NO_RETURN,
Fun, Msg);
only_explicit ->
Msg = {no_return, [only_explicit|Name]},
- state__add_warning(AccState, ?WARN_RETURN_ONLY_EXIT,
+ state__add_warning(AccState1, ?WARN_RETURN_ONLY_EXIT,
Fun, Msg);
only_normal ->
Msg = {no_return, [only_normal|Name]},
- state__add_warning(AccState, ?WARN_RETURN_NO_RETURN,
+ state__add_warning(AccState1, ?WARN_RETURN_NO_RETURN,
Fun, Msg);
both ->
Msg = {no_return, [both|Name]},
- state__add_warning(AccState, ?WARN_RETURN_NO_RETURN,
+ state__add_warning(AccState1, ?WARN_RETURN_NO_RETURN,
Fun, Msg)
end;
false ->
@@ -2971,17 +2990,31 @@ state__get_args_and_status(Tree, #state{fun_tab = FunTab}) ->
{ok, {ArgTypes, _}} -> {ArgTypes, true}
end.
-build_tree_map(Tree) ->
+build_tree_map(Tree, Callgraph) ->
Fun =
- fun(T, Dict) ->
+ fun(T, {Dict, Homes, FunLbls} = Acc) ->
case cerl:is_c_fun(T) of
true ->
- dict:store(get_label(T), T, Dict);
+ FunLbl = get_label(T),
+ Dict1 = dict:store(FunLbl, T, Dict),
+ case catch dialyzer_callgraph:lookup_name(FunLbl, Callgraph) of
+ {ok, MFA} ->
+ F2 =
+ fun(Lbl, Dict0) ->
+ dict:store(Lbl, MFA, Dict0)
+ end,
+ Homes1 = lists:foldl(F2, Homes, [FunLbl|FunLbls]),
+ {Dict1, Homes1, []};
+ _ ->
+ {Dict1, Homes, [FunLbl|FunLbls]}
+ end;
false ->
- Dict
+ Acc
end
end,
- cerl_trees:fold(Fun, dict:new(), Tree).
+ Dict0 = dict:new(),
+ {Dict, Homes, _} = cerl_trees:fold(Fun, {Dict0, Dict0, []}, Tree),
+ {Dict, Homes}.
init_fun_tab([top|Left], Dict, TreeMap, Callgraph, Plt) ->
NewDict = dict:store(top, {[], t_none()}, Dict),
@@ -3439,6 +3472,13 @@ parent_allows_this(FunLbl, #state{callgraph = Callgraph, plt = Plt} =State) ->
end
end.
+find_function({_, _, _} = MFA, _State) ->
+ MFA;
+find_function(top, _State) ->
+ top;
+find_function(FunLbl, #state{fun_homes = Homes}) ->
+ dict:fetch(FunLbl, Homes).
+
classify_returns(Tree) ->
case find_terminals(cerl:fun_body(Tree)) of
{false, false} -> no_match;
diff --git a/lib/dialyzer/src/dialyzer_options.erl b/lib/dialyzer/src/dialyzer_options.erl
index a92b8b1958..20971f1407 100644
--- a/lib/dialyzer/src/dialyzer_options.erl
+++ b/lib/dialyzer/src/dialyzer_options.erl
@@ -28,7 +28,7 @@
-module(dialyzer_options).
--export([build/1]).
+-export([build/1, build_warnings/2]).
-include("dialyzer.hrl").
@@ -270,7 +270,7 @@ assert_solvers([v2|Terms]) ->
assert_solvers([Term|_]) ->
bad_option("Illegal value for solver", Term).
--spec build_warnings([atom()], [dial_warning()]) -> [dial_warning()].
+-spec build_warnings([atom()], dial_warn_tags()) -> dial_warn_tags().
build_warnings([Opt|Opts], Warnings) ->
NewWarnings =
diff --git a/lib/dialyzer/src/dialyzer_plt.erl b/lib/dialyzer/src/dialyzer_plt.erl
index 63798f44b1..7c970daf41 100644
--- a/lib/dialyzer/src/dialyzer_plt.erl
+++ b/lib/dialyzer/src/dialyzer_plt.erl
@@ -158,9 +158,7 @@ lookup_contract(#mini_plt{contracts = ETSContracts},
ets_table_lookup(ETSContracts, MFA).
-spec lookup_callbacks(plt(), module()) ->
- 'none' | {'value', [{mfa(), {{Filename::string(),
- Line::pos_integer()},
- #contract{}}}]}.
+ 'none' | {'value', [{mfa(), dialyzer_contracts:file_contract()}]}.
lookup_callbacks(#mini_plt{callbacks = ETSCallbacks}, Mod) when is_atom(Mod) ->
ets_table_lookup(ETSCallbacks, Mod).
@@ -618,9 +616,7 @@ table_insert_list(Plt, [{Key, Val}|Left]) ->
table_insert_list(Plt, []) ->
Plt.
-table_insert(Plt, Key, {_Ret, _Arg} = Obj) ->
- dict:store(Key, Obj, Plt);
-table_insert(Plt, Key, #contract{} = C) ->
+table_insert(Plt, Key, {_File, #contract{}, _Xtra} = C) ->
dict:store(Key, C, Plt).
table_lookup(Plt, Obj) ->
diff --git a/lib/dialyzer/src/dialyzer_races.erl b/lib/dialyzer/src/dialyzer_races.erl
index 2a8aba5d8f..48eb331239 100644
--- a/lib/dialyzer/src/dialyzer_races.erl
+++ b/lib/dialyzer/src/dialyzer_races.erl
@@ -85,9 +85,9 @@
-type race_tag() :: 'whereis_register' | 'whereis_unregister'
| 'ets_lookup_insert' | 'mnesia_dirty_read_write'.
-%% The following type is similar to the dial_warning() type but has a
+%% The following type is similar to the raw_warning() type but has a
%% tag which is local to this module and is not propagated to outside
--type dial_race_warning() :: {race_warn_tag(), file_line(), {atom(), [term()]}}.
+-type dial_race_warning() :: {race_warn_tag(), warning_info(), {atom(), [term()]}}.
-type race_warn_tag() :: ?WARN_WHEREIS_REGISTER | ?WARN_WHEREIS_UNREGISTER
| ?WARN_ETS_LOOKUP_INSERT | ?WARN_MNESIA_DIRTY_READ_WRITE.
@@ -312,10 +312,13 @@ race(State) ->
DepList = fixup_race_list(RaceWarnTag, VarArgs, State1),
{State2, RaceWarn} =
get_race_warn(Fun, Args, ArgTypes, DepList, State),
+ {File, Line} = FileLine,
+ CurrMFA = dialyzer_dataflow:state__find_function(CurrFun, State),
+ WarningInfo = {File, Line, CurrMFA},
race(
state__add_race_warning(
state__renew_race_tags(T, State2), RaceWarn, RaceWarnTag,
- FileLine))
+ WarningInfo))
end,
state__renew_race_tags([], RetState).
@@ -2324,7 +2327,7 @@ get_race_warnings_helper(Warnings, State) ->
[] ->
{dialyzer_dataflow:state__get_races(State), State};
[H|T] ->
- {RaceWarnTag, FileLine, {race_condition, [M, F, A, AT, S, DepList]}} = H,
+ {RaceWarnTag, WarningInfo, {race_condition, [M, F, A, AT, S, DepList]}} = H,
Reason =
case RaceWarnTag of
?WARN_WHEREIS_REGISTER ->
@@ -2347,7 +2350,7 @@ get_race_warnings_helper(Warnings, State) ->
"caused by its combination with ")
end,
W =
- {?WARN_RACE_CONDITION, FileLine,
+ {?WARN_RACE_CONDITION, WarningInfo,
{race_condition,
[M, F, dialyzer_dataflow:format_args(A, AT, S), Reason]}},
get_race_warnings_helper(T,
@@ -2377,12 +2380,12 @@ get_reason(DependencyList, Reason) ->
end
end.
-state__add_race_warning(State, RaceWarn, RaceWarnTag, FileLine) ->
+state__add_race_warning(State, RaceWarn, RaceWarnTag, WarningInfo) ->
case RaceWarn of
no_race -> State;
_Else ->
Races = dialyzer_dataflow:state__get_races(State),
- Warn = {RaceWarnTag, FileLine, RaceWarn},
+ Warn = {RaceWarnTag, WarningInfo, RaceWarn},
dialyzer_dataflow:state__put_races(add_race_warning(Warn, Races), State)
end.
diff --git a/lib/dialyzer/src/dialyzer_succ_typings.erl b/lib/dialyzer/src/dialyzer_succ_typings.erl
index ef9b00e203..7ceb19e30a 100644
--- a/lib/dialyzer/src/dialyzer_succ_typings.erl
+++ b/lib/dialyzer/src/dialyzer_succ_typings.erl
@@ -29,7 +29,7 @@
-export([analyze_callgraph/3,
analyze_callgraph/6,
- get_warnings/8
+ get_warnings/7
]).
-export([
@@ -69,10 +69,8 @@
-type scc() :: [mfa_or_funlbl()] | [module()].
-
-record(st, {callgraph :: dialyzer_callgraph:callgraph(),
codeserver :: dialyzer_codeserver:codeserver(),
- no_warn_unused :: sets:set(mfa()),
parent = none :: parent(),
timing_server :: dialyzer_timing:timing_server(),
solvers :: [solver()],
@@ -137,18 +135,17 @@ 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(), sets:set(mfa()),
+ doc_plt(), dialyzer_codeserver:codeserver(),
dialyzer_timing:timing_server(), [solver()], pid()) ->
- {[dial_warning()], dialyzer_plt:plt(), doc_plt()}.
+ {[raw_warning()], dialyzer_plt:plt(), doc_plt()}.
get_warnings(Callgraph, Plt, DocPlt, Codeserver,
- NoWarnUnused, TimingServer, Solvers, Parent) ->
+ TimingServer, Solvers, Parent) ->
InitState =
init_state_and_get_success_typings(Callgraph, Plt, Codeserver,
TimingServer, Solvers, Parent),
- NewState = InitState#st{no_warn_unused = NoWarnUnused},
- Mods = dialyzer_callgraph:modules(NewState#st.callgraph),
- MiniPlt = NewState#st.plt,
+ Mods = dialyzer_callgraph:modules(InitState#st.callgraph),
+ MiniPlt = InitState#st.plt,
FindOpaques = lookup_and_find_opaques_fun(Codeserver),
CWarns =
dialyzer_contracts:get_invalid_contract_warnings(Mods, Codeserver,
@@ -156,31 +153,30 @@ get_warnings(Callgraph, Plt, DocPlt, Codeserver,
MiniDocPlt = dialyzer_plt:get_mini_plt(DocPlt),
ModWarns =
?timing(TimingServer, "warning",
- get_warnings_from_modules(Mods, NewState, MiniDocPlt)),
+ get_warnings_from_modules(Mods, InitState, MiniDocPlt)),
{postprocess_warnings(CWarns ++ ModWarns, Codeserver),
dialyzer_plt:restore_full_plt(MiniPlt, Plt),
dialyzer_plt:restore_full_plt(MiniDocPlt, DocPlt)}.
get_warnings_from_modules(Mods, State, DocPlt) ->
#st{callgraph = Callgraph, codeserver = Codeserver,
- no_warn_unused = NoWarnUnused, plt = Plt,
- timing_server = TimingServer} = State,
- Init = {Codeserver, Callgraph, NoWarnUnused, Plt, DocPlt},
+ plt = Plt, timing_server = TimingServer} = State,
+ Init = {Codeserver, Callgraph, Plt, DocPlt},
dialyzer_coordinator:parallel_job(warnings, Mods, Init, TimingServer).
--spec collect_warnings(module(), warnings_init_data()) -> [dial_warning()].
+-spec collect_warnings(module(), warnings_init_data()) -> [raw_warning()].
-collect_warnings(M, {Codeserver, Callgraph, NoWarnUnused, Plt, DocPlt}) ->
+collect_warnings(M, {Codeserver, Callgraph, Plt, DocPlt}) ->
ModCode = dialyzer_codeserver:lookup_mod_code(M, Codeserver),
Records = dialyzer_codeserver:lookup_mod_records(M, Codeserver),
Contracts = dialyzer_codeserver:lookup_mod_contracts(M, Codeserver),
AllFuns = collect_fun_info([ModCode]),
%% Check if there are contracts for functions that do not exist
- Warnings1 =
+ Warnings1 =
dialyzer_contracts:contracts_without_fun(Contracts, AllFuns, Callgraph),
{Warnings2, FunTypes} =
- dialyzer_dataflow:get_warnings(ModCode, Plt, Callgraph,
- Records, NoWarnUnused),
+ dialyzer_dataflow:get_warnings(ModCode, Plt, Callgraph, Codeserver,
+ Records),
Attrs = cerl:module_attrs(ModCode),
Warnings3 =
dialyzer_behaviours:check_callbacks(M, Attrs, Records, Plt, Codeserver),
@@ -197,17 +193,19 @@ postprocess_warnings(RawWarnings, Codeserver) ->
postprocess_dataflow_warns([], _Callgraph, WAcc, Acc) ->
lists:reverse(Acc, WAcc);
-postprocess_dataflow_warns([{?WARN_CONTRACT_RANGE, {CallF, CallL}, Msg}|Rest],
+postprocess_dataflow_warns([{?WARN_CONTRACT_RANGE, WarningInfo, Msg}|Rest],
Codeserver, WAcc, Acc) ->
+ {CallF, CallL, _CallMFA} = WarningInfo,
{contract_range, [Contract, M, F, A, ArgStrings, CRet]} = Msg,
case dialyzer_codeserver:lookup_mfa_contract({M,F,A}, Codeserver) of
- {ok, {{ContrF, _ContrL} = FileLine, _C}} ->
+ {ok, {{ContrF, ContrL}, _C, _X}} ->
case CallF =:= ContrF of
true ->
NewMsg = {contract_range, [Contract, M, F, ArgStrings, CallL, CRet]},
- W = {?WARN_CONTRACT_RANGE, FileLine, NewMsg},
+ WarningInfo2 = {ContrF, ContrL, {M, F, A}},
+ W = {?WARN_CONTRACT_RANGE, WarningInfo2, NewMsg},
Filter =
- fun({?WARN_CONTRACT_TYPES, FL, _}) when FL =:= FileLine -> false;
+ fun({?WARN_CONTRACT_TYPES, WI, _}) when WI =:= WarningInfo2 -> false;
(_) -> true
end,
FilterWAcc = lists:filter(Filter, WAcc),
@@ -219,7 +217,7 @@ postprocess_dataflow_warns([{?WARN_CONTRACT_RANGE, {CallF, CallL}, Msg}|Rest],
%% The contract is not in a module that is currently under analysis.
%% We display the warning in the file/line of the call.
NewMsg = {contract_range, [Contract, M, F, ArgStrings, CallL, CRet]},
- W = {?WARN_CONTRACT_RANGE, {CallF, CallL}, NewMsg},
+ W = {?WARN_CONTRACT_RANGE, WarningInfo, NewMsg},
postprocess_dataflow_warns(Rest, Codeserver, WAcc, [W|Acc])
end.
@@ -262,7 +260,7 @@ refine_one_module(M, {CodeServer, Callgraph, Plt, _Solvers}) ->
Records = dialyzer_codeserver:lookup_mod_records(M, CodeServer),
FunTypes = get_fun_types_from_plt(AllFuns, Callgraph, Plt),
NewFunTypes =
- dialyzer_dataflow:get_fun_types(ModCode, Plt, Callgraph, Records),
+ dialyzer_dataflow:get_fun_types(ModCode, Plt, Callgraph, CodeServer, Records),
Contracts1 = dialyzer_codeserver:lookup_mod_contracts(M, CodeServer),
Contracts = orddict:from_list(dict:to_list(Contracts1)),
FindOpaques = find_opaques_fun(Records),
@@ -401,7 +399,7 @@ decorate_succ_typings(Contracts, Callgraph, FunTypes, FindOpaques) ->
case dialyzer_callgraph:lookup_name(Label, Callgraph) of
{ok, MFA} ->
case orddict:find(MFA, Contracts) of
- {ok, {_FileLine, Contract}} ->
+ {ok, {_FileLine, Contract, _Xtra}} ->
Args = dialyzer_contracts:get_contract_args(Contract),
Ret = dialyzer_contracts:get_contract_return(Contract),
C = erl_types:t_fun(Args, Ret),
@@ -422,10 +420,7 @@ lookup_and_find_opaques_fun(Codeserver) ->
end.
find_opaques_fun(Records) ->
- fun(Module) ->
- erl_types:module_builtin_opaques(Module) ++
- erl_types:t_opaque_from_records(Records)
- end.
+ fun(_Module) -> erl_types:t_opaque_from_records(Records) end.
get_fun_types_from_plt(FunList, Callgraph, Plt) ->
get_fun_types_from_plt(FunList, Callgraph, Plt, dict:new()).
diff --git a/lib/dialyzer/src/dialyzer_typesig.erl b/lib/dialyzer/src/dialyzer_typesig.erl
index 3d03ed3ab3..217d238712 100644
--- a/lib/dialyzer/src/dialyzer_typesig.erl
+++ b/lib/dialyzer/src/dialyzer_typesig.erl
@@ -3275,7 +3275,7 @@ is_literal_record(Tree) ->
lists:member(record, Ann).
family(L) ->
- sofs:to_external(sofs:rel2fam(sofs:relation(L))).
+ dialyzer_utils:family(L).
%% ============================================================================
%%
diff --git a/lib/dialyzer/src/dialyzer_utils.erl b/lib/dialyzer/src/dialyzer_utils.erl
index 5297a3a7b4..01ade00664 100644
--- a/lib/dialyzer/src/dialyzer_utils.erl
+++ b/lib/dialyzer/src/dialyzer_utils.erl
@@ -40,12 +40,16 @@
get_core_from_src/2,
get_record_and_type_info/1,
get_spec_info/3,
+ get_fun_meta_info/3,
+ is_suppressed_fun/2,
+ is_suppressed_tag/3,
merge_records/2,
pp_hook/0,
process_record_remote_types/1,
sets_filter/2,
src_compiler_opts/0,
- parallelism/0
+ parallelism/0,
+ family/1
]).
-include("dialyzer.hrl").
@@ -80,7 +84,9 @@ print_types1([{record, _Name} = Key|T], RecDict) ->
-type abstract_code() :: [tuple()]. %% XXX: import from somewhere
-type comp_options() :: [compile:option()].
--type mod_or_fname() :: atom() | file:filename().
+-type mod_or_fname() :: module() | file:filename().
+-type fa() :: {atom(), arity()}.
+-type codeserver() :: dialyzer_codeserver:codeserver().
%% ============================================================================
%%
@@ -300,7 +306,7 @@ type_record_fields([RecKey|Recs], RecDict) ->
{error, Name, Error}
end.
--spec process_record_remote_types(dialyzer_codeserver:codeserver()) -> dialyzer_codeserver:codeserver().
+-spec process_record_remote_types(codeserver()) -> codeserver().
process_record_remote_types(CServer) ->
TempRecords = dialyzer_codeserver:get_temp_records(CServer),
@@ -341,12 +347,23 @@ merge_records(NewRecords, OldRecords) ->
-type spec_dict() :: dict:dict().
-type callback_dict() :: dict:dict().
--spec get_spec_info(atom(), abstract_code(), dict:dict()) ->
+-spec get_spec_info(module(), abstract_code(), dict:dict()) ->
{'ok', spec_dict(), callback_dict()} | {'error', string()}.
get_spec_info(ModName, AbstractCode, RecordsDict) ->
+ OptionalCallbacks0 = get_optional_callbacks(AbstractCode, ModName),
+ OptionalCallbacks = gb_sets:from_list(OptionalCallbacks0),
get_spec_info(AbstractCode, dict:new(), dict:new(),
- RecordsDict, ModName, "nofile").
+ RecordsDict, ModName, OptionalCallbacks, "nofile").
+
+get_optional_callbacks(Abs, ModName) ->
+ [{ModName, F, A} || {F, A} <- get_optional_callbacks(Abs)].
+
+get_optional_callbacks(Abs) ->
+ L = [O ||
+ {attribute, _, optional_callbacks, O} <- Abs,
+ is_fa_list(O)],
+ lists:append(L).
%% TypeSpec is a list of conditional contracts for a function.
%% Each contract is of the form {[Argument], Range, [Constraint]} where
@@ -355,13 +372,14 @@ get_spec_info(ModName, AbstractCode, RecordsDict) ->
%% are erl_types:erl_type()
get_spec_info([{attribute, Ln, Contract, {Id, TypeSpec}}|Left],
- SpecDict, CallbackDict, RecordsDict, ModName, File)
+ SpecDict, CallbackDict, RecordsDict, ModName, OptCb, File)
when ((Contract =:= 'spec') or (Contract =:= 'callback')),
is_list(TypeSpec) ->
MFA = case Id of
{_, _, _} = T -> T;
{F, A} -> {ModName, F, A}
end,
+ Xtra = [optional_callback || gb_sets:is_member(MFA, OptCb)],
ActiveDict =
case Contract of
spec -> SpecDict;
@@ -369,8 +387,9 @@ get_spec_info([{attribute, Ln, Contract, {Id, TypeSpec}}|Left],
end,
try dict:find(MFA, ActiveDict) of
error ->
+ SpecData = {TypeSpec, Xtra},
NewActiveDict =
- dialyzer_contracts:store_tmp_contract(MFA, {File, Ln}, TypeSpec,
+ dialyzer_contracts:store_tmp_contract(MFA, {File, Ln}, SpecData,
ActiveDict, RecordsDict),
{NewSpecDict, NewCallbackDict} =
case Contract of
@@ -378,8 +397,8 @@ get_spec_info([{attribute, Ln, Contract, {Id, TypeSpec}}|Left],
callback -> {SpecDict, NewActiveDict}
end,
get_spec_info(Left, NewSpecDict, NewCallbackDict,
- RecordsDict, ModName,File);
- {ok, {{OtherFile, L},_C}} ->
+ RecordsDict, ModName, OptCb, File);
+ {ok, {{OtherFile, L}, _D}} ->
{Mod, Fun, Arity} = MFA,
Msg = flat_format(" Contract/callback for function ~w:~w/~w "
"already defined in ~s:~w\n",
@@ -391,15 +410,137 @@ get_spec_info([{attribute, Ln, Contract, {Id, TypeSpec}}|Left],
[Ln, Error])}
end;
get_spec_info([{attribute, _, file, {IncludeFile, _}}|Left],
- SpecDict, CallbackDict, RecordsDict, ModName, _File) ->
+ SpecDict, CallbackDict, RecordsDict, ModName, OptCb, _File) ->
get_spec_info(Left, SpecDict, CallbackDict,
- RecordsDict, ModName, IncludeFile);
+ RecordsDict, ModName, OptCb, IncludeFile);
get_spec_info([_Other|Left], SpecDict, CallbackDict,
- RecordsDict, ModName, File) ->
- get_spec_info(Left, SpecDict, CallbackDict, RecordsDict, ModName, File);
-get_spec_info([], SpecDict, CallbackDict, _RecordsDict, _ModName, _File) ->
+ RecordsDict, ModName, OptCb, File) ->
+ get_spec_info(Left, SpecDict, CallbackDict,
+ RecordsDict, ModName, OptCb, File);
+get_spec_info([], SpecDict, CallbackDict,
+ _RecordsDict, _ModName, _OptCb, _File) ->
{ok, SpecDict, CallbackDict}.
+-spec get_fun_meta_info(module(), abstract_code(), [dial_warn_tag()]) ->
+ dialyzer_codeserver:fun_meta_info().
+
+get_fun_meta_info(M, Abs, LegalWarnings) ->
+ NoWarn = get_nowarn_unused_function(M, Abs),
+ FuncSupp = get_func_suppressions(M, Abs),
+ Warnings0 = get_options(Abs, LegalWarnings),
+ Warnings = ordsets:to_list(Warnings0),
+ ModuleWarnings = [{M, W} || W <- Warnings],
+ RawProps = lists:append([NoWarn, FuncSupp, ModuleWarnings]),
+ process_options(dialyzer_utils:family(RawProps), Warnings0).
+
+process_options([{M, _}=Mod|Left], Warnings) when is_atom(M) ->
+ [Mod|process_options(Left, Warnings)];
+process_options([{{_M, _F, _A}=MFA, Opts}|Left], Warnings) ->
+ WL = case lists:member(nowarn_function, Opts) of
+ true -> [{nowarn_function, func}]; % takes precedence
+ false ->
+ Ws = dialyzer_options:build_warnings(Opts, Warnings),
+ ModOnly = [{W, mod} || W <- ordsets:subtract(Warnings, Ws)],
+ FunOnly = [{W, func} || W <- ordsets:subtract(Ws, Warnings)],
+ ordsets:union(ModOnly, FunOnly)
+ end,
+ case WL of
+ [] -> process_options(Left, Warnings);
+ _ -> [{MFA, WL}|process_options(Left, Warnings)]
+ end;
+process_options([], _Warnings) -> [].
+
+-spec get_nowarn_unused_function(module(), abstract_code()) ->
+ [{mfa(), 'no_unused'}].
+
+get_nowarn_unused_function(M, Abs) ->
+ Opts = get_options_with_tag(compile, Abs),
+ Warn = erl_lint:bool_option(warn_unused_function, nowarn_unused_function,
+ true, Opts),
+ Functions = [{F, A} || {function, _, F, A, _} <- Abs],
+ AttrFile = collect_attribute(Abs, compile),
+ TagsFaList = check_fa_list(AttrFile, nowarn_unused_function, Functions),
+ FAs = case Warn of
+ false -> Functions;
+ true ->
+ [FA || {{nowarn_unused_function,_L,_File}, FA} <- TagsFaList]
+ end,
+ [{{M, F, A}, no_unused} || {F, A} <- FAs].
+
+-spec get_func_suppressions(module(), abstract_code()) ->
+ [{mfa(), 'nowarn_function' | dial_warn_tag()}].
+
+get_func_suppressions(M, Abs) ->
+ Functions = [{F, A} || {function, _, F, A, _} <- Abs],
+ AttrFile = collect_attribute(Abs, dialyzer),
+ TagsFAs = check_fa_list(AttrFile, '*', Functions),
+ %% Check the options:
+ Fun = fun({{nowarn_function, _L, _File}, _FA}) -> ok;
+ ({OptLFile, _FA}) ->
+ _ = get_options1([OptLFile], ordsets:new())
+ end,
+ lists:foreach(Fun, TagsFAs),
+ [{{M, F, A}, W} || {{W, _L, _File}, {F, A}} <- TagsFAs].
+
+-spec get_options(abstract_code(), [dial_warn_tag()]) ->
+ ordsets:ordset(dial_warn_tag()).
+
+get_options(Abs, LegalWarnings) ->
+ AttrFile = collect_attribute(Abs, dialyzer),
+ get_options1(AttrFile, LegalWarnings).
+
+get_options1([{Args, L, File}|Left], Warnings) ->
+ Opts = [O ||
+ O <- lists:flatten([Args]),
+ is_atom(O)],
+ try dialyzer_options:build_warnings(Opts, Warnings) of
+ NewWarnings ->
+ get_options1(Left, NewWarnings)
+ catch
+ throw:{dialyzer_options_error, Msg} ->
+ Msg1 = flat_format(" ~s:~w: ~s", [File, L, Msg]),
+ throw({error, Msg1})
+ end;
+get_options1([], Warnings) ->
+ Warnings.
+
+-type collected_attribute() ::
+ {Args :: term(), erl_scan:line(), file:filename()}.
+
+collect_attribute(Abs, Tag) ->
+ collect_attribute(Abs, Tag, "nofile").
+
+collect_attribute([{attribute, L, Tag, Args}|Left], Tag, File) ->
+ CollAttr = {Args, L, File},
+ [CollAttr | collect_attribute(Left, Tag, File)];
+collect_attribute([{attribute, _, file, {IncludeFile, _}}|Left], Tag, _) ->
+ collect_attribute(Left, Tag, IncludeFile);
+collect_attribute([_Other|Left], Tag, File) ->
+ collect_attribute(Left, Tag, File);
+collect_attribute([], _Tag, _File) -> [].
+
+-spec is_suppressed_fun(mfa(), codeserver()) -> boolean().
+
+is_suppressed_fun(MFA, CodeServer) ->
+ lookup_fun_property(MFA, nowarn_function, CodeServer).
+
+-spec is_suppressed_tag(mfa() | module(), dial_warn_tag(), codeserver()) ->
+ boolean().
+
+is_suppressed_tag(MorMFA, Tag, Codeserver) ->
+ not lookup_fun_property(MorMFA, Tag, Codeserver).
+
+lookup_fun_property({M, _F, _A}=MFA, Property, CodeServer) ->
+ MFAPropList = dialyzer_codeserver:lookup_meta_info(MFA, CodeServer),
+ case proplists:get_value(Property, MFAPropList, no) of
+ mod -> false; % suppressed in function
+ func -> true; % requested in function
+ no -> lookup_fun_property(M, Property, CodeServer)
+ end;
+lookup_fun_property(M, Property, CodeServer) when is_atom(M) ->
+ MPropList = dialyzer_codeserver:lookup_meta_info(M, CodeServer),
+ proplists:is_defined(Property, MPropList).
+
%% ============================================================================
%%
%% Exported types
@@ -449,7 +590,6 @@ cleanup_compile_options(Opts) ->
%% Using abstract, not asm or core.
keep_compile_option(from_asm) -> false;
-keep_compile_option(asm) -> false;
keep_compile_option(from_core) -> false;
%% The parse transform will already have been applied, may cause
%% problems if it is re-applied.
@@ -482,6 +622,57 @@ format_sig(Type, RecDict) ->
flat_format(Fmt, Lst) ->
lists:flatten(io_lib:format(Fmt, Lst)).
+-spec get_options_with_tag(atom(), abstract_code()) -> [term()].
+
+get_options_with_tag(Tag, Abs) ->
+ lists:flatten([O || {attribute, _, Tag0, O} <- Abs, Tag =:= Tag0]).
+
+%% Check F/A, and collect (unchecked) warning tags with line and file.
+-spec check_fa_list([collected_attribute()], atom(), [fa()]) ->
+ [{{atom(), erl_scan:line(), file:filename()},fa()}].
+
+check_fa_list(AttrFile, Tag, Functions) ->
+ FuncTab = gb_sets:from_list(Functions),
+ check_fa_list1(AttrFile, Tag, FuncTab).
+
+check_fa_list1([{Args, L, File}|Left], Tag, Funcs) ->
+ TermsL = [{{Tag0, L, File}, Term} ||
+ {Tags, Terms0} <- lists:flatten([Args]),
+ Tag0 <- lists:flatten([Tags]),
+ Tag =:= '*' orelse Tag =:= Tag0,
+ Term <- lists:flatten([Terms0])],
+ case lists:dropwhile(fun({_, T}) -> is_fa(T) end, TermsL) of
+ [] -> ok;
+ [{_, Bad}|_] ->
+ Msg1 = flat_format(" Bad function ~w in line ~s:~w",
+ [Bad, File, L]),
+ throw({error, Msg1})
+ end,
+ case lists:dropwhile(fun({_, FA}) -> is_known(FA, Funcs) end, TermsL) of
+ [] -> ok;
+ [{_, {F, A}}|_] ->
+ Msg2 = flat_format(" Unknown function ~w/~w in line ~s:~w",
+ [F, A, File, L]),
+ throw({error, Msg2})
+ end,
+ TermsL ++ check_fa_list1(Left, Tag, Funcs);
+check_fa_list1([], _Tag, _Funcs) -> [].
+
+is_known(FA, Funcs) ->
+ gb_sets:is_element(FA, Funcs).
+
+-spec is_fa_list(term()) -> boolean().
+
+is_fa_list([E|L]) -> is_fa(E) andalso is_fa_list(L);
+is_fa_list([]) -> true;
+is_fa_list(_) -> false.
+
+-spec is_fa(term()) -> boolean().
+
+is_fa({FuncName, Arity})
+ when is_atom(FuncName), is_integer(Arity), Arity >= 0 -> true;
+is_fa(_) -> false.
+
%%-------------------------------------------------------------------
%% Author : Per Gustafsson <[email protected]>
%% Description : Provides better printing of binaries.
@@ -586,3 +777,8 @@ parallelism() ->
CPUs = erlang:system_info(logical_processors_available),
Schedulers = erlang:system_info(schedulers),
min(CPUs, Schedulers).
+
+-spec family([{K,V}]) -> [{K,[V]}].
+
+family(L) ->
+ sofs:to_external(sofs:rel2fam(sofs:relation(L))).
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-05 13:38:35 +0000