diff options
Diffstat (limited to 'lib/dialyzer/src/dialyzer_analysis_callgraph.erl')
| -rw-r--r-- | lib/dialyzer/src/dialyzer_analysis_callgraph.erl | 156 |
1 files changed, 85 insertions, 71 deletions
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. |