diff options
Diffstat (limited to 'lib/dialyzer/src/dialyzer_behaviours.erl')
| -rw-r--r-- | lib/dialyzer/src/dialyzer_behaviours.erl | 128 |
1 files changed, 12 insertions, 116 deletions
diff --git a/lib/dialyzer/src/dialyzer_behaviours.erl b/lib/dialyzer/src/dialyzer_behaviours.erl index 127e906135..36aef2a37f 100644 --- a/lib/dialyzer/src/dialyzer_behaviours.erl +++ b/lib/dialyzer/src/dialyzer_behaviours.erl @@ -30,11 +30,9 @@ -module(dialyzer_behaviours). --export([check_callbacks/4, get_behaviour_apis/1, - translate_behaviour_api_call/5, translatable_behaviours/1, - translate_callgraph/3]). +-export([check_callbacks/5]). --export_type([behaviour/0, behaviour_api_dict/0]). +-export_type([behaviour/0]). %%-------------------------------------------------------------------- @@ -47,15 +45,16 @@ -record(state, {plt :: dialyzer_plt:plt(), codeserver :: dialyzer_codeserver:codeserver(), filename :: file:filename(), - behlines :: [{behaviour(), non_neg_integer()}]}). + behlines :: [{behaviour(), non_neg_integer()}], + records :: dict()}). %%-------------------------------------------------------------------- --spec check_callbacks(module(), [{cerl:cerl(), cerl:cerl()}], +-spec check_callbacks(module(), [{cerl:cerl(), cerl:cerl()}], dict(), dialyzer_plt:plt(), dialyzer_codeserver:codeserver()) -> [dial_warning()]. -check_callbacks(Module, Attrs, Plt, Codeserver) -> +check_callbacks(Module, Attrs, Records, Plt, Codeserver) -> {Behaviours, BehLines} = get_behaviours(Attrs), case Behaviours of [] -> []; @@ -64,7 +63,7 @@ check_callbacks(Module, Attrs, Plt, Codeserver) -> {_Var,Code} = dialyzer_codeserver:lookup_mfa_code(MFA, Codeserver), File = get_file(cerl:get_ann(Code)), State = #state{plt = Plt, filename = File, behlines = BehLines, - codeserver = Codeserver}, + codeserver = Codeserver, records = Records}, Warnings = get_warnings(Module, Behaviours, State), [add_tag_file_line(Module, W, State) || W <- Warnings] end. @@ -92,24 +91,21 @@ get_warnings(Module, [Behaviour|Rest], State, Acc) -> check_behaviour(Module, Behaviour, #state{plt = Plt} = State, Acc) -> case dialyzer_plt:lookup_callbacks(Plt, Behaviour) of - [] -> [{callback_info_missing, [Behaviour]}|Acc]; - Callbacks -> check_all_callbacks(Module, Behaviour, Callbacks, State, Acc) + none -> [{callback_info_missing, [Behaviour]}|Acc]; + {value, Callbacks} -> + check_all_callbacks(Module, Behaviour, Callbacks, State, Acc) end. check_all_callbacks(_Module, _Behaviour, [], _State, Acc) -> Acc; check_all_callbacks(Module, Behaviour, [Cb|Rest], - #state{plt = Plt, codeserver = Codeserver} = State, Acc) -> + #state{plt = Plt, codeserver = Codeserver, + records = Records} = State, Acc) -> {{Behaviour, Function, Arity}, {{_BehFile, _BehLine}, Callback}} = Cb, CbMFA = {Module, Function, Arity}, CbReturnType = dialyzer_contracts:get_contract_return(Callback), CbArgTypes = dialyzer_contracts:get_contract_args(Callback), - Records = - case dict:find(Module, dialyzer_codeserver:get_records(Codeserver)) of - {ok, V} -> V; - error -> dict:new() - end, Acc0 = Acc, Acc1 = case dialyzer_plt:lookup(Plt, CbMFA) of @@ -226,103 +222,3 @@ get_line([]) -> -1. get_file([{file, File}|_]) -> File; get_file([_|Tail]) -> get_file(Tail). - -%%----------------------------------------------------------------------------- - --spec translatable_behaviours(cerl:c_module()) -> behaviour_api_dict(). - -translatable_behaviours(Tree) -> - Attrs = cerl:module_attrs(Tree), - {Behaviours, _BehLines} = get_behaviours(Attrs), - [{B, Calls} || B <- Behaviours, (Calls = behaviour_api_calls(B)) =/= []]. - --spec get_behaviour_apis([behaviour()]) -> [mfa()]. - -get_behaviour_apis(Behaviours) -> - get_behaviour_apis(Behaviours, []). - --spec translate_behaviour_api_call(dialyzer_callgraph:mfa_or_funlbl(), - [erl_types:erl_type()], - [dialyzer_races:core_vars()], - module(), - behaviour_api_dict()) -> - {dialyzer_callgraph:mfa_or_funlbl(), - [erl_types:erl_type()], - [dialyzer_races:core_vars()]} - | 'plain_call'. - -translate_behaviour_api_call(_Fun, _ArgTypes, _Args, _Module, []) -> - plain_call; -translate_behaviour_api_call({Module, Fun, Arity}, ArgTypes, Args, - CallbackModule, BehApiInfo) -> - case lists:keyfind(Module, 1, BehApiInfo) of - false -> plain_call; - {Module, Calls} -> - case lists:keyfind({Fun, Arity}, 1, Calls) of - false -> plain_call; - {{Fun, Arity}, {CFun, CArity, COrder}} -> - {{CallbackModule, CFun, CArity}, - [nth_or_0(N, ArgTypes, erl_types:t_any()) || N <-COrder], - [nth_or_0(N, Args, bypassed) || N <-COrder]} - end - end; -translate_behaviour_api_call(_Fun, _ArgTypes, _Args, _Module, _BehApiInfo) -> - plain_call. - --spec translate_callgraph(behaviour_api_dict(), atom(), - dialyzer_callgraph:callgraph()) -> - dialyzer_callgraph:callgraph(). - -translate_callgraph([{Behaviour,_}|Behaviours], Module, Callgraph) -> - UsedCalls = [Call || {_From, {M, _F, _A}} = Call <- - dialyzer_callgraph:get_behaviour_api_calls(Callgraph), - M =:= Behaviour], - Calls = [{{Behaviour, API, Arity}, Callback} || - {{API, Arity}, Callback} <- behaviour_api_calls(Behaviour)], - DirectCalls = [{From, {Module, Fun, Arity}} || - {From, To} <- UsedCalls,{API, {Fun, Arity, _Ord}} <- Calls, - To =:= API], - NewCallgraph = dialyzer_callgraph:add_edges(DirectCalls, Callgraph), - translate_callgraph(Behaviours, Module, NewCallgraph); -translate_callgraph([], _Module, Callgraph) -> - Callgraph. - -get_behaviour_apis([], Acc) -> - Acc; -get_behaviour_apis([Behaviour | Rest], Acc) -> - MFAs = [{Behaviour, Fun, Arity} || - {{Fun, Arity}, _} <- behaviour_api_calls(Behaviour)], - get_behaviour_apis(Rest, MFAs ++ Acc). - -%------------------------------------------------------------------------------ - -nth_or_0(0, _List, Zero) -> - Zero; -nth_or_0(N, List, _Zero) -> - lists:nth(N, List). - -%------------------------------------------------------------------------------ - --type behaviour_api_dict()::[{behaviour(), behaviour_api_info()}]. --type behaviour_api_info()::[{original_fun(), replacement_fun()}]. --type original_fun()::{atom(), arity()}. --type replacement_fun()::{atom(), arity(), arg_list()}. --type arg_list()::[byte()]. - --spec behaviour_api_calls(behaviour()) -> behaviour_api_info(). - -behaviour_api_calls(gen_server) -> - [{{start_link, 3}, {init, 1, [2]}}, - {{start_link, 4}, {init, 1, [3]}}, - {{start, 3}, {init, 1, [2]}}, - {{start, 4}, {init, 1, [3]}}, - {{call, 2}, {handle_call, 3, [2, 0, 0]}}, - {{call, 3}, {handle_call, 3, [2, 0, 0]}}, - {{multi_call, 2}, {handle_call, 3, [2, 0, 0]}}, - {{multi_call, 3}, {handle_call, 3, [3, 0, 0]}}, - {{multi_call, 4}, {handle_call, 3, [3, 0, 0]}}, - {{cast, 2}, {handle_cast, 2, [2, 0]}}, - {{abcast, 2}, {handle_cast, 2, [2, 0]}}, - {{abcast, 3}, {handle_cast, 2, [3, 0]}}]; -behaviour_api_calls(_Other) -> - []. |