diff options
Diffstat (limited to 'lib/dialyzer/src/dialyzer_dataflow.erl')
| -rw-r--r-- | lib/dialyzer/src/dialyzer_dataflow.erl | 365 |
1 files changed, 86 insertions, 279 deletions
diff --git a/lib/dialyzer/src/dialyzer_dataflow.erl b/lib/dialyzer/src/dialyzer_dataflow.erl index bd375b04fa..cb376daf68 100644 --- a/lib/dialyzer/src/dialyzer_dataflow.erl +++ b/lib/dialyzer/src/dialyzer_dataflow.erl @@ -32,13 +32,11 @@ %% 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]). -%% Debug and test interfaces. --export([get_top_level_signatures/2, pp/1]). - -export_type([state/0]). -include("dialyzer.hrl"). @@ -67,7 +65,7 @@ %%-define(DEBUG, true). %%-define(DEBUG_PP, true). -%%-define(DOT, true). +%%-define(DEBUG_TIME, true). -ifdef(DEBUG). -import(erl_types, [t_to_string/1]). @@ -111,7 +109,7 @@ -spec get_warnings(cerl:c_module(), dialyzer_plt:plt(), dialyzer_callgraph:callgraph(), dict(), set()) -> - {[dial_warning()], dict(), dict(), [label()], [string()]}. + {[dial_warning()], dict()}. get_warnings(Tree, Plt, Callgraph, Records, NoWarnUnused) -> State1 = analyze_module(Tree, Plt, Callgraph, Records, true), @@ -119,145 +117,14 @@ get_warnings(Tree, Plt, Callgraph, Records, NoWarnUnused) -> State3 = state__renew_warnings(state__get_warnings(State2, NoWarnUnused), State2), State4 = state__get_race_warnings(State3), - Callgraph1 = State2#state.callgraph, - {State4#state.warnings, state__all_fun_types(State4), - dialyzer_callgraph:get_race_code(Callgraph1), - dialyzer_callgraph:get_public_tables(Callgraph1), - dialyzer_callgraph:get_named_tables(Callgraph1)}. + {State4#state.warnings, state__all_fun_types(State4)}. -spec get_fun_types(cerl:c_module(), dialyzer_plt:plt(), - dialyzer_callgraph:callgraph(), dict()) -> - {dict(), dict(), [label()], [string()]}. + dialyzer_callgraph:callgraph(), dict()) -> dict(). get_fun_types(Tree, Plt, Callgraph, Records) -> State = analyze_module(Tree, Plt, Callgraph, Records, false), - Callgraph1 = State#state.callgraph, - {state__all_fun_types(State), - dialyzer_callgraph:get_race_code(Callgraph1), - dialyzer_callgraph:get_public_tables(Callgraph1), - dialyzer_callgraph:get_named_tables(Callgraph1)}. - -%%-------------------------------------------------------------------- - --spec pp(file:filename()) -> 'ok'. - -pp(File) -> - {ok, Code} = dialyzer_utils:get_core_from_src(File, [no_copt]), - Plt = get_def_plt(), - AnnTree = annotate_module(Code, Plt), - io:put_chars(cerl_prettypr:format(AnnTree, [{hook, cerl_typean:pp_hook()}])), - io:nl(). - -%%-------------------------------------------------------------------- -%% This is used in the testsuite. - --spec get_top_level_signatures(cerl:c_module(), dict()) -> - [{{atom(), arity()}, erl_types:erl_type()}]. - -get_top_level_signatures(Code, Records) -> - {Tree, _} = cerl_trees:label(cerl:from_records(Code)), - Callgraph0 = dialyzer_callgraph:new(), - Callgraph1 = dialyzer_callgraph:scan_core_tree(Tree, Callgraph0), - {Callgraph2, _} = dialyzer_callgraph:remove_external(Callgraph1), - Callgraph = dialyzer_callgraph:finalize(Callgraph2), - to_dot(Callgraph), - Plt = get_def_plt(), - FunTypes = get_fun_types(Tree, Plt, Callgraph, Records), - FunTypes1 = lists:foldl(fun({V, F}, Acc) -> - Label = get_label(F), - case dict:find(Label, Acc) of - error -> - Arity = cerl:fname_arity(V), - Type = t_fun(lists:duplicate(Arity, - t_none()), - t_none()), - dict:store(Label, Type, Acc); - {ok, _} -> Acc - end - end, FunTypes, cerl:module_defs(Tree)), - dialyzer_callgraph:delete(Callgraph), - Sigs = [{{cerl:fname_id(V), cerl:fname_arity(V)}, - dict:fetch(get_label(F), FunTypes1)} - || {V, F} <- cerl:module_defs(Tree)], - ordsets:from_list(Sigs). - -get_def_plt() -> - try - dialyzer_plt:from_file(dialyzer_plt:get_default_plt()) - catch - throw:{dialyzer_error, _} -> dialyzer_plt:new() - end. - -%%% =========================================================================== -%%% -%%% Annotate all top level funs. -%%% -%%% =========================================================================== - -annotate_module(Code, Plt) -> - {Tree, _} = cerl_trees:label(cerl:from_records(Code)), - Callgraph0 = dialyzer_callgraph:new(), - Callgraph1 = dialyzer_callgraph:scan_core_tree(Tree, Callgraph0), - {Callgraph2, _} = dialyzer_callgraph:remove_external(Callgraph1), - Callgraph = dialyzer_callgraph:finalize(Callgraph2), - State = analyze_module(Tree, Plt, Callgraph), - Res = annotate(Tree, State), - dialyzer_callgraph:delete(Callgraph), - Res. - -annotate(Tree, State) -> - case cerl:subtrees(Tree) of - [] -> set_type(Tree, State); - List -> - NewSubTrees = [[annotate(Subtree, State) || Subtree <- Group] - || Group <- List], - NewTree = cerl:update_tree(Tree, NewSubTrees), - set_type(NewTree, State) - end. - -set_type(Tree, State) -> - case cerl:type(Tree) of - 'fun' -> - Type = state__fun_type(Tree, State), - case t_is_any(Type) of - true -> - cerl:set_ann(Tree, delete_ann(typesig, cerl:get_ann(Tree))); - false -> - cerl:set_ann(Tree, append_ann(typesig, Type, cerl:get_ann(Tree))) - end; - apply -> - case state__find_apply_return(Tree, State) of - unknown -> Tree; - ReturnType -> - case t_is_any(ReturnType) of - true -> - cerl:set_ann(Tree, delete_ann(type, cerl:get_ann(Tree))); - false -> - cerl:set_ann(Tree, append_ann(type, ReturnType, - cerl:get_ann(Tree))) - end - end; - _ -> - Tree - end. - -append_ann(Tag, Val, [X | Xs]) -> - if tuple_size(X) >= 1, element(1, X) =:= Tag -> - append_ann(Tag, Val, Xs); - true -> - [X | append_ann(Tag, Val, Xs)] - end; -append_ann(Tag, Val, []) -> - [{Tag, Val}]. - -delete_ann(Tag, [X | Xs]) -> - if tuple_size(X) >= 1, element(1, X) =:= Tag -> - delete_ann(Tag, Xs); - true -> - [X | delete_ann(Tag, Xs)] - end; -delete_ann(_, []) -> - []. + state__all_fun_types(State). %%% =========================================================================== %%% @@ -265,56 +132,46 @@ delete_ann(_, []) -> %%% %%% =========================================================================== -analyze_module(Tree, Plt, Callgraph) -> - analyze_module(Tree, Plt, Callgraph, dict:new(), false). - analyze_module(Tree, Plt, Callgraph, Records, GetWarnings) -> debug_pp(Tree, false), Module = cerl:atom_val(cerl:module_name(Tree)), RaceDetection = dialyzer_callgraph:get_race_detection(Callgraph), - RaceCode = dialyzer_callgraph:get_race_code(Callgraph), BehaviourTranslations = case RaceDetection of true -> dialyzer_behaviours:translatable_behaviours(Tree); false -> [] end, TopFun = cerl:ann_c_fun([{label, top}], [], Tree), - State = state__new(dialyzer_callgraph:race_code_new(Callgraph), - TopFun, Plt, Module, Records, BehaviourTranslations), + State = + state__new(Callgraph, TopFun, Plt, Module, Records, BehaviourTranslations), State1 = state__race_analysis(not GetWarnings, State), State2 = analyze_loop(State1), case GetWarnings of true -> State3 = state__set_warning_mode(State2), State4 = analyze_loop(State3), - State5 = state__restore_race_code(RaceCode, State4), %% EXPERIMENTAL: Turn all behaviour API calls into calls to the %% respective callback module's functions. case BehaviourTranslations of - [] -> dialyzer_races:race(State5); + [] -> dialyzer_races:race(State4); Behaviours -> - Callgraph2 = State5#state.callgraph, - Digraph = dialyzer_callgraph:get_digraph(Callgraph2), + Digraph = dialyzer_callgraph:get_digraph(State4#state.callgraph), TranslatedCallgraph = dialyzer_behaviours:translate_callgraph(Behaviours, Module, - Callgraph2), + Callgraph), St = - dialyzer_races:race(State5#state{callgraph = TranslatedCallgraph}), - Callgraph3 = dialyzer_callgraph:put_digraph(Digraph, - St#state.callgraph), - St#state{callgraph = Callgraph3} + dialyzer_races:race(State4#state{callgraph = TranslatedCallgraph}), + FinalCallgraph = dialyzer_callgraph:put_digraph(Digraph, + St#state.callgraph), + St#state{callgraph = FinalCallgraph} end; false -> - Callgraph1 = State2#state.callgraph, - RaceCode1 = dialyzer_callgraph:get_race_code(Callgraph1), - state__restore_race_code( - dict:merge(fun (_K, V1, _V2) -> V1 end, - RaceCode, RaceCode1), State2) + State2 end. -analyze_loop(#state{callgraph = Callgraph, races = Races} = State) -> +analyze_loop(State) -> case state__get_work(State) of none -> State; {Fun, NewState1} -> @@ -340,10 +197,9 @@ analyze_loop(#state{callgraph = Callgraph, races = Races} = State) -> Map1 = enter_type_lists(Vars, ArgTypes, Map), Body = cerl:fun_body(Fun), FunLabel = get_label(Fun), - RaceDetection = dialyzer_callgraph:get_race_detection(Callgraph), - RaceAnalysis = dialyzer_races:get_race_analysis(Races), + IsRaceAnalysisEnabled = is_race_analysis_enabled(State), NewState3 = - case RaceDetection andalso RaceAnalysis of + case IsRaceAnalysisEnabled of true -> NewState2 = state__renew_curr_fun( state__lookup_name(FunLabel, NewState1), FunLabel, @@ -357,17 +213,8 @@ analyze_loop(#state{callgraph = Callgraph, races = Races} = State) -> [state__lookup_name(get_label(Fun), State), t_to_string(t_fun(ArgTypes, BodyType))]), NewState5 = - case RaceDetection andalso RaceAnalysis of - true -> - Races1 = NewState4#state.races, - Code = lists:reverse(dialyzer_races:get_race_list(Races1)), - Callgraph1 = - renew_code(dialyzer_races:get_curr_fun(Races1), - dialyzer_races:get_curr_fun_args(Races1), - Code, - state__warning_mode(NewState4), - NewState4#state.callgraph), - NewState4#state{callgraph = Callgraph1}; + case IsRaceAnalysisEnabled of + true -> renew_race_code(NewState4); false -> NewState4 end, NewState6 = @@ -582,9 +429,7 @@ handle_apply_or_call([{local, external}|Left], Args, ArgTypes, Map, Tree, State, ArgTypes, t_any()); handle_apply_or_call([{TypeOfApply, {Fun, Sig, Contr, LocalRet}}|Left], Args, ArgTypes, Map, Tree, - #state{callgraph = Callgraph, races = Races, - opaques = Opaques} = State, - AccArgTypes, AccRet) -> + #state{opaques = Opaques} = State, AccArgTypes, AccRet) -> Any = t_any(), AnyArgs = [Any || _ <- Args], GenSig = {AnyArgs, fun(_) -> t_any() end}, @@ -680,8 +525,7 @@ handle_apply_or_call([{TypeOfApply, {Fun, Sig, Contr, LocalRet}}|Left], ?debug("ContrRet: ~s\n", [erl_types:t_to_string(CRange(TmpArgTypes))]), ?debug("SigRet: ~s\n", [erl_types:t_to_string(SigRange)]), State1 = - case dialyzer_callgraph:get_race_detection(Callgraph) andalso - dialyzer_races:get_race_analysis(Races) of + case is_race_analysis_enabled(State) of true -> Ann = cerl:get_ann(Tree), File = get_file(Ann), @@ -1047,20 +891,17 @@ handle_call(Tree, Map, State) -> %%---------------------------------------- -handle_case(Tree, Map, #state{callgraph = Callgraph} = State) -> +handle_case(Tree, Map, State) -> Arg = cerl:case_arg(Tree), Clauses = filter_match_fail(cerl:case_clauses(Tree)), {State1, Map1, ArgType} = SMA = traverse(Arg, Map, State), case t_is_none_or_unit(ArgType) of true -> SMA; false -> - Races = State1#state.races, State2 = - case dialyzer_callgraph:get_race_detection(Callgraph) andalso - dialyzer_races:get_race_analysis(Races) of + case is_race_analysis_enabled(State) of true -> - RaceList = dialyzer_races:get_race_list(Races), - RaceListSize = dialyzer_races:get_race_list_size(Races), + {RaceList, RaceListSize} = get_race_list_and_size(State1), state__renew_race_list([beg_case|RaceList], RaceListSize + 1, State1); false -> State1 @@ -1094,9 +935,8 @@ handle_cons(Tree, Map, State) -> %%---------------------------------------- -handle_let(Tree, Map, #state{callgraph = Callgraph, races = Races} = State) -> - RaceAnalysis = dialyzer_races:get_race_analysis(Races), - RaceDetection = dialyzer_callgraph:get_race_detection(Callgraph), +handle_let(Tree, Map, State) -> + IsRaceAnalysisEnabled = is_race_analysis_enabled(State), Arg = cerl:let_arg(Tree), Vars = cerl:let_vars(Tree), {Map0, State0} = @@ -1104,10 +944,9 @@ handle_let(Tree, Map, #state{callgraph = Callgraph, races = Races} = State) -> true -> [Var] = Vars, {enter_subst(Var, Arg, Map), - case RaceDetection andalso RaceAnalysis of + case IsRaceAnalysisEnabled of true -> - RaceList = dialyzer_races:get_race_list(Races), - RaceListSize = dialyzer_races:get_race_list_size(Races), + {RaceList, RaceListSize} = get_race_list_and_size(State), state__renew_race_list( [dialyzer_races:let_tag_new(Var, Arg)|RaceList], RaceListSize + 1, State); @@ -1117,9 +956,8 @@ handle_let(Tree, Map, #state{callgraph = Callgraph, races = Races} = State) -> end, Body = cerl:let_body(Tree), {State1, Map1, ArgTypes} = SMA = traverse(Arg, Map0, State0), - Callgraph1 = State1#state.callgraph, - Callgraph2 = - case RaceDetection andalso RaceAnalysis andalso cerl:is_c_call(Arg) of + State2 = + case IsRaceAnalysisEnabled andalso cerl:is_c_call(Arg) of true -> Mod = cerl:call_module(Arg), Name = cerl:call_name(Arg), @@ -1127,16 +965,11 @@ handle_let(Tree, Map, #state{callgraph = Callgraph, races = Races} = State) -> cerl:concrete(Mod) =:= ets andalso cerl:is_literal(Name) andalso cerl:concrete(Name) =:= new of - true -> - NewTable = dialyzer_races:get_new_table(State1#state.races), - renew_public_tables(Vars, NewTable, - state__warning_mode(State1), - Callgraph1); - false -> Callgraph1 + true -> renew_race_public_tables(Vars, State1); + false -> State1 end; - false -> Callgraph1 + false -> State1 end, - State2 = State1#state{callgraph = Callgraph2}, case t_is_none_or_unit(ArgTypes) of true -> SMA; false -> @@ -1167,16 +1000,13 @@ handle_module(Tree, Map, State) -> %%---------------------------------------- -handle_receive(Tree, Map, - #state{callgraph = Callgraph, races = Races} = State) -> +handle_receive(Tree, Map, State) -> Clauses = filter_match_fail(cerl:receive_clauses(Tree)), Timeout = cerl:receive_timeout(Tree), State1 = - case dialyzer_callgraph:get_race_detection(Callgraph) andalso - dialyzer_races:get_race_analysis(Races) of + case is_race_analysis_enabled(State) of true -> - RaceList = dialyzer_races:get_race_list(Races), - RaceListSize = dialyzer_races:get_race_list_size(Races), + {RaceList, RaceListSize} = get_race_list_and_size(State), state__renew_race_list([beg_case|RaceList], RaceListSize + 1, State); false -> State @@ -1299,16 +1129,13 @@ handle_tuple(Tree, Map, State) -> %%---------------------------------------- %% Clauses %% -handle_clauses([C|Left], Arg, ArgType, OrigArgType, - #state{callgraph = Callgraph, races = Races} = State, - CaseTypes, MapIn, Acc, ClauseAcc) -> - RaceDetection = dialyzer_callgraph:get_race_detection(Callgraph), - RaceAnalysis = dialyzer_races:get_race_analysis(Races), +handle_clauses([C|Left], Arg, ArgType, OrigArgType, State, CaseTypes, MapIn, + Acc, ClauseAcc) -> + IsRaceAnalysisEnabled = is_race_analysis_enabled(State), State1 = - case RaceDetection andalso RaceAnalysis of + case IsRaceAnalysisEnabled of true -> - RaceList = dialyzer_races:get_race_list(Races), - RaceListSize = dialyzer_races:get_race_list_size(Races), + {RaceList, RaceListSize} = get_race_list_and_size(State), state__renew_race_list( [dialyzer_races:beg_clause_new(Arg, cerl:clause_pats(C), cerl:clause_guard(C))| @@ -1319,11 +1146,9 @@ handle_clauses([C|Left], Arg, ArgType, OrigArgType, {State2, ClauseMap, BodyType, NewArgType} = do_clause(C, Arg, ArgType, OrigArgType, MapIn, State1), {NewClauseAcc, State3} = - case RaceDetection andalso RaceAnalysis of + case IsRaceAnalysisEnabled of true -> - Races1 = State2#state.races, - RaceList1 = dialyzer_races:get_race_list(Races1), - RaceListSize1 = dialyzer_races:get_race_list_size(Races1), + {RaceList1, RaceListSize1} = get_race_list_and_size(State2), EndClause = dialyzer_races:end_clause_new(Arg, cerl:clause_pats(C), cerl:clause_guard(C)), {[EndClause|ClauseAcc], @@ -1338,30 +1163,25 @@ handle_clauses([C|Left], Arg, ArgType, OrigArgType, end, handle_clauses(Left, Arg, NewArgType, OrigArgType, State3, NewCaseTypes, MapIn, NewAcc, NewClauseAcc); -handle_clauses([], _Arg, _ArgType, _OrigArgType, - #state{callgraph = Callgraph, races = Races} = State, - CaseTypes, _MapIn, Acc, ClauseAcc) -> +handle_clauses([], _Arg, _ArgType, _OrigArgType, State, CaseTypes, _MapIn, Acc, + ClauseAcc) -> State1 = - case dialyzer_callgraph:get_race_detection(Callgraph) andalso - dialyzer_races:get_race_analysis(Races) of + case is_race_analysis_enabled(State) of true -> + {RaceList, RaceListSize} = get_race_list_and_size(State), state__renew_race_list( - [dialyzer_races:end_case_new(ClauseAcc)| - dialyzer_races:get_race_list(Races)], - dialyzer_races:get_race_list_size(Races) + 1, State); + [dialyzer_races:end_case_new(ClauseAcc)|RaceList], + RaceListSize + 1, State); false -> State end, {lists:reverse(Acc), State1, t_sup(CaseTypes)}. -do_clause(C, Arg, ArgType0, OrigArgType, Map, - #state{callgraph = Callgraph, races = Races} = State) -> +do_clause(C, Arg, ArgType0, OrigArgType, Map, State) -> Pats = cerl:clause_pats(C), Guard = cerl:clause_guard(C), Body = cerl:clause_body(C), - RaceDetection = dialyzer_callgraph:get_race_detection(Callgraph), - RaceAnalysis = dialyzer_races:get_race_analysis(Races), State1 = - case RaceDetection andalso RaceAnalysis of + case is_race_analysis_enabled(State) of true -> state__renew_fun_args(Pats, State); false -> State @@ -2914,10 +2734,6 @@ state__set_warning_mode(#state{tree_map = TreeMap, fun_tab = FunTab, fun_tab = FunTab, warning_mode = true, races = dialyzer_races:put_race_analysis(true, Races)}. -state__restore_race_code(RaceCode, #state{callgraph = Callgraph} = State) -> - State#state{callgraph = dialyzer_callgraph:put_race_code(RaceCode, - Callgraph)}. - state__race_analysis(Analysis, #state{races = Races} = State) -> State#state{races = dialyzer_races:put_race_analysis(Analysis, Races)}. @@ -3260,21 +3076,6 @@ state__fun_info(Fun, #state{callgraph = CG, fun_tab = FunTab, plt = PLT}) -> ?debug("LocalRet: ~s\n", [t_to_string(LocalRet)]), {Fun, Sig, Contract, LocalRet}. -state__find_apply_return(Tree, #state{callgraph = Callgraph} = State) -> - Apply = get_label(Tree), - case dialyzer_callgraph:lookup_call_site(Apply, Callgraph) of - error -> - unknown; - {ok, List} -> - case lists:member(external, List) of - true -> t_any(); - false -> - FunTypes = [state__fun_type(F, State) || F <- List], - Returns = [t_fun_range(F) || F <- FunTypes], - t_sup(Returns) - end - end. - forward_args(Fun, ArgTypes, #state{work = Work, fun_tab = FunTab} = State) -> {OldArgTypes, OldOut, Fixpoint} = case dict:find(Fun, FunTab) of @@ -3305,6 +3106,16 @@ state__cleanup(#state{callgraph = Callgraph, races = dialyzer_races:cleanup(Races), records = Records}. +-spec state__duplicate(state()) -> state(). + +state__duplicate(#state{callgraph = Callgraph} = State) -> + State#state{callgraph = dialyzer_callgraph:duplicate(Callgraph)}. + +-spec dispose_state(state()) -> ok. + +dispose_state(#state{callgraph = Callgraph}) -> + dialyzer_callgraph:dispose_race_server(Callgraph). + -spec state__get_callgraph(state()) -> dialyzer_callgraph:callgraph(). state__get_callgraph(#state{callgraph = Callgraph}) -> @@ -3342,26 +3153,36 @@ state__records_only(#state{records = Records}) -> %%% %%% =========================================================================== -renew_code(Fun, FunArgs, Code, WarningMode, Callgraph) -> +is_race_analysis_enabled(#state{races = Races, callgraph = Callgraph}) -> + RaceDetection = dialyzer_callgraph:get_race_detection(Callgraph), + RaceAnalysis = dialyzer_races:get_race_analysis(Races), + RaceDetection andalso RaceAnalysis. + +get_race_list_and_size(#state{races = Races}) -> + dialyzer_races:get_race_list_and_size(Races). + +renew_race_code(#state{races = Races, callgraph = Callgraph, + warning_mode = WarningMode} = State) -> case WarningMode of - true -> Callgraph; + true -> State; false -> - RaceCode = dialyzer_callgraph:get_race_code(Callgraph), - dialyzer_callgraph:put_race_code( - dict:store(Fun, [FunArgs, Code], RaceCode), Callgraph) + NewCallgraph = dialyzer_callgraph:renew_race_code(Races, Callgraph), + State#state{callgraph = NewCallgraph} end. -renew_public_tables([Var], Table, WarningMode, Callgraph) -> +renew_race_public_tables([Var], #state{races = Races, callgraph = Callgraph, + warning_mode = WarningMode} = State) -> case WarningMode of - true -> Callgraph; + true -> State; false -> + Table = dialyzer_races:get_new_table(Races), case Table of - no_t -> Callgraph; - _Other -> - VarLabel = get_label(Var), - PTables = dialyzer_callgraph:get_public_tables(Callgraph), - dialyzer_callgraph:put_public_tables( - lists:usort([VarLabel|PTables]), Callgraph) + no_t -> State; + _Other -> + VarLabel = get_label(Var), + NewCallgraph = + dialyzer_callgraph:renew_race_public_tables(VarLabel, Callgraph), + State#state{callgraph = NewCallgraph} end end. @@ -3688,17 +3509,3 @@ strip_annotations(Tree) -> debug_pp(_Tree, _UseHook) -> ok. -endif. - -%%---------------------------------------------------------------------------- - --spec to_dot(dialyzer_callgraph:callgraph()) -> 'ok'. - --ifdef(DOT). -to_dot(CG) -> - dialyzer_callgraph:to_dot(CG). --else. -to_dot(_CG) -> - ok. --endif. - -%%---------------------------------------------------------------------------- |