diff options
Diffstat (limited to 'lib/dialyzer/src/dialyzer_utils.erl')
| -rw-r--r-- | lib/dialyzer/src/dialyzer_utils.erl | 85 |
1 files changed, 74 insertions, 11 deletions
diff --git a/lib/dialyzer/src/dialyzer_utils.erl b/lib/dialyzer/src/dialyzer_utils.erl index e1bcd72c0b..a60b912fd4 100644 --- a/lib/dialyzer/src/dialyzer_utils.erl +++ b/lib/dialyzer/src/dialyzer_utils.erl @@ -31,6 +31,7 @@ format_sig/1, format_sig/2, get_abstract_code_from_beam/1, + get_compile_options_from_beam/1, get_abstract_code_from_src/1, get_abstract_code_from_src/2, get_core_from_abstract_code/1, @@ -136,6 +137,26 @@ get_abstract_code_from_beam(File) -> error end. +-spec get_compile_options_from_beam(file:filename()) -> 'error' | {'ok', [compile:option()]}. + +get_compile_options_from_beam(File) -> + case beam_lib:chunks(File, [compile_info]) of + {ok, {_, List}} -> + case lists:keyfind(compile_info, 1, List) of + {compile_info, CompInfo} -> compile_info_to_options(CompInfo); + _ -> error + end; + _ -> + %% No or unsuitable compile info. + error + end. + +compile_info_to_options(CompInfo) -> + case lists:keyfind(options, 1, CompInfo) of + {options, CompOpts} -> {ok, CompOpts}; + _ -> error + end. + -type get_core_from_abs_ret() :: {'ok', cerl:c_module()} | 'error'. -spec get_core_from_abstract_code(abstract_code()) -> get_core_from_abs_ret(). @@ -150,7 +171,9 @@ get_core_from_abstract_code(AbstrCode, Opts) -> %% performed them. In some cases we end up in trouble when %% performing them again. AbstrCode1 = cleanup_parse_transforms(AbstrCode), - try compile:forms(AbstrCode1, Opts ++ src_compiler_opts()) of + %% Remove parse_transforms (and other options) from compile options. + Opts2 = cleanup_compile_options(Opts), + try compile:forms(AbstrCode1, Opts2 ++ src_compiler_opts()) of {ok, _, Core} -> {ok, Core}; _What -> error catch @@ -322,8 +345,26 @@ merge_records(NewRecords, OldRecords) -> {'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). + +is_fa_list([{FuncName, Arity}|L]) + when is_atom(FuncName), is_integer(Arity), Arity >= 0 -> + is_fa_list(L); +is_fa_list([]) -> true; +is_fa_list(_) -> false. + %% TypeSpec is a list of conditional contracts for a function. %% Each contract is of the form {[Argument], Range, [Constraint]} where @@ -332,13 +373,14 @@ 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; @@ -346,8 +388,9 @@ 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 @@ -355,8 +398,8 @@ 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", @@ -368,13 +411,15 @@ 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}. %% ============================================================================ @@ -419,6 +464,24 @@ cleanup_parse_transforms([Other|Left]) -> cleanup_parse_transforms([]) -> []. +-spec cleanup_compile_options([compile:option()]) -> [compile:option()]. + +%% Using abstract, not asm or core. +cleanup_compile_options([from_asm|Opts]) -> + Opts; +cleanup_compile_options([asm|Opts]) -> + Opts; +cleanup_compile_options([from_core|Opts]) -> + Opts; +%% The parse transform will already have been applied, may cause problems if it +%% is re-applied. +cleanup_compile_options([{parse_transform, _}|Opts]) -> + Opts; +cleanup_compile_options([Other|Opts]) -> + [Other|cleanup_compile_options(Opts)]; +cleanup_compile_options([]) -> + []. + -spec format_errors([{module(), string()}]) -> [string()]. format_errors([{Mod, Errors}|Left]) -> |