diff options
Diffstat (limited to 'lib/dialyzer')
-rw-r--r-- | lib/dialyzer/src/dialyzer_contracts.erl | 102 | ||||
-rw-r--r-- | lib/dialyzer/src/dialyzer_utils.erl | 35 |
2 files changed, 72 insertions, 65 deletions
diff --git a/lib/dialyzer/src/dialyzer_contracts.erl b/lib/dialyzer/src/dialyzer_contracts.erl index 1079c2e09b..7251de8b10 100644 --- a/lib/dialyzer/src/dialyzer_contracts.erl +++ b/lib/dialyzer/src/dialyzer_contracts.erl @@ -395,22 +395,21 @@ insert_constraints([], Dict) -> Dict. store_tmp_contract(MFA, FileLine, {TypeSpec, Xtra}, SpecDict, RecordsDict) -> %% io:format("contract from form: ~p\n", [TypeSpec]), - {Module, _, _} = MFA, - TmpContract = contract_from_form(TypeSpec, Module, RecordsDict, FileLine), + TmpContract = contract_from_form(TypeSpec, MFA, RecordsDict, FileLine), %% io:format("contract: ~p\n", [TmpContract]), dict:store(MFA, {FileLine, TmpContract, Xtra}, SpecDict). -contract_from_form(Forms, Module, RecDict, FileLine) -> - {CFuns, Forms1} = contract_from_form(Forms, Module, RecDict, FileLine, [], []), +contract_from_form(Forms, MFA, RecDict, FileLine) -> + {CFuns, Forms1} = contract_from_form(Forms, MFA, RecDict, FileLine, [], []), #tmp_contract{contract_funs = CFuns, forms = Forms1}. -contract_from_form([{type, _, 'fun', [_, _]} = Form | Left], Module, RecDict, +contract_from_form([{type, _, 'fun', [_, _]} = Form | Left], MFA, RecDict, FileLine, TypeAcc, FormAcc) -> TypeFun = fun(ExpTypes, AllRecords) -> NewType = try - from_form_with_check(Form, ExpTypes, Module, AllRecords) + from_form_with_check(Form, ExpTypes, MFA, AllRecords) catch throw:{error, Msg} -> {File, Line} = FileLine, @@ -423,55 +422,55 @@ contract_from_form([{type, _, 'fun', [_, _]} = Form | Left], Module, RecDict, end, NewTypeAcc = [TypeFun | TypeAcc], NewFormAcc = [{Form, []} | FormAcc], - contract_from_form(Left, Module, RecDict, FileLine, NewTypeAcc, NewFormAcc); + contract_from_form(Left, MFA, RecDict, FileLine, NewTypeAcc, NewFormAcc); contract_from_form([{type, _L1, bounded_fun, [{type, _L2, 'fun', [_, _]} = Form, Constr]}| Left], - Module, RecDict, FileLine, TypeAcc, FormAcc) -> + MFA, RecDict, FileLine, TypeAcc, FormAcc) -> TypeFun = fun(ExpTypes, AllRecords) -> {Constr1, VarDict} = - process_constraints(Constr, Module, RecDict, ExpTypes, AllRecords), - NewType = from_form_with_check(Form, ExpTypes, Module, AllRecords, + process_constraints(Constr, MFA, RecDict, ExpTypes, AllRecords), + NewType = from_form_with_check(Form, ExpTypes, MFA, AllRecords, VarDict), NewTypeNoVars = erl_types:subst_all_vars_to_any(NewType), {NewTypeNoVars, Constr1} end, NewTypeAcc = [TypeFun | TypeAcc], NewFormAcc = [{Form, Constr} | FormAcc], - contract_from_form(Left, Module, RecDict, FileLine, NewTypeAcc, NewFormAcc); -contract_from_form([], _Module, _RecDict, _FileLine, TypeAcc, FormAcc) -> + contract_from_form(Left, MFA, RecDict, FileLine, NewTypeAcc, NewFormAcc); +contract_from_form([], _MFA, _RecDict, _FileLine, TypeAcc, FormAcc) -> {lists:reverse(TypeAcc), lists:reverse(FormAcc)}. -process_constraints(Constrs, Module, RecDict, ExpTypes, AllRecords) -> - Init0 = initialize_constraints(Constrs, Module, RecDict, ExpTypes, AllRecords), +process_constraints(Constrs, MFA, RecDict, ExpTypes, AllRecords) -> + Init0 = initialize_constraints(Constrs, MFA, RecDict, ExpTypes, AllRecords), Init = remove_cycles(Init0), - constraints_fixpoint(Init, Module, RecDict, ExpTypes, AllRecords). + constraints_fixpoint(Init, MFA, RecDict, ExpTypes, AllRecords). -initialize_constraints(Constrs, Module, RecDict, ExpTypes, AllRecords) -> - initialize_constraints(Constrs, Module, RecDict, ExpTypes, AllRecords, []). +initialize_constraints(Constrs, MFA, RecDict, ExpTypes, AllRecords) -> + initialize_constraints(Constrs, MFA, RecDict, ExpTypes, AllRecords, []). -initialize_constraints([], _Module, _RecDict, _ExpTypes, _AllRecords, Acc) -> +initialize_constraints([], _MFA, _RecDict, _ExpTypes, _AllRecords, Acc) -> Acc; -initialize_constraints([Constr|Rest], Module, RecDict, ExpTypes, AllRecords, Acc) -> +initialize_constraints([Constr|Rest], MFA, RecDict, ExpTypes, AllRecords, Acc) -> case Constr of {type, _, constraint, [{atom, _, is_subtype}, [Type1, Type2]]} -> - T1 = final_form(Type1, ExpTypes, Module, AllRecords, dict:new()), + T1 = final_form(Type1, ExpTypes, MFA, AllRecords, dict:new()), Entry = {T1, Type2}, - initialize_constraints(Rest, Module, RecDict, ExpTypes, AllRecords, [Entry|Acc]); + initialize_constraints(Rest, MFA, RecDict, ExpTypes, AllRecords, [Entry|Acc]); {type, _, constraint, [{atom,_,Name}, List]} -> N = length(List), throw({error, io_lib:format("Unsupported type guard ~w/~w\n", [Name, N])}) end. -constraints_fixpoint(Constrs, Module, RecDict, ExpTypes, AllRecords) -> +constraints_fixpoint(Constrs, MFA, RecDict, ExpTypes, AllRecords) -> VarDict = - constraints_to_dict(Constrs, Module, RecDict, ExpTypes, AllRecords, dict:new()), - constraints_fixpoint(VarDict, Module, Constrs, RecDict, ExpTypes, AllRecords). + constraints_to_dict(Constrs, MFA, RecDict, ExpTypes, AllRecords, dict:new()), + constraints_fixpoint(VarDict, MFA, Constrs, RecDict, ExpTypes, AllRecords). -constraints_fixpoint(OldVarDict, Module, Constrs, RecDict, ExpTypes, AllRecords) -> +constraints_fixpoint(OldVarDict, MFA, Constrs, RecDict, ExpTypes, AllRecords) -> NewVarDict = - constraints_to_dict(Constrs, Module, RecDict, ExpTypes, AllRecords, OldVarDict), + constraints_to_dict(Constrs, MFA, RecDict, ExpTypes, AllRecords, OldVarDict), case NewVarDict of OldVarDict -> DictFold = @@ -481,33 +480,33 @@ constraints_fixpoint(OldVarDict, Module, Constrs, RecDict, ExpTypes, AllRecords) FinalConstrs = dict:fold(DictFold, [], NewVarDict), {FinalConstrs, NewVarDict}; _Other -> - constraints_fixpoint(NewVarDict, Module, Constrs, RecDict, ExpTypes, AllRecords) + constraints_fixpoint(NewVarDict, MFA, Constrs, RecDict, ExpTypes, AllRecords) end. -final_form(Form, ExpTypes, Module, AllRecords, VarDict) -> - from_form_with_check(Form, ExpTypes, Module, AllRecords, VarDict). +final_form(Form, ExpTypes, MFA, AllRecords, VarDict) -> + from_form_with_check(Form, ExpTypes, MFA, AllRecords, VarDict). -from_form_with_check(Form, ExpTypes, Module, AllRecords) -> - erl_types:t_check_record_fields(Form, ExpTypes, Module, AllRecords), - erl_types:t_from_form(Form, ExpTypes, Module, AllRecords). +from_form_with_check(Form, ExpTypes, MFA, AllRecords) -> + from_form_with_check(Form, ExpTypes, MFA, AllRecords, dict:new()). -from_form_with_check(Form, ExpTypes, Module, AllRecords, VarDict) -> - erl_types:t_check_record_fields(Form, ExpTypes, Module, AllRecords, +from_form_with_check(Form, ExpTypes, MFA, AllRecords, VarDict) -> + Site = {spec, MFA}, + erl_types:t_check_record_fields(Form, ExpTypes, Site, AllRecords, VarDict), - erl_types:t_from_form(Form, ExpTypes, Module, AllRecords, VarDict). + erl_types:t_from_form(Form, ExpTypes, Site, AllRecords, VarDict). -constraints_to_dict(Constrs, Module, RecDict, ExpTypes, AllRecords, VarDict) -> +constraints_to_dict(Constrs, MFA, RecDict, ExpTypes, AllRecords, VarDict) -> Subtypes = - constraints_to_subs(Constrs, Module, RecDict, ExpTypes, AllRecords, VarDict, []), + constraints_to_subs(Constrs, MFA, RecDict, ExpTypes, AllRecords, VarDict, []), insert_constraints(Subtypes, dict:new()). -constraints_to_subs([], _Module, _RecDict, _ExpTypes, _AllRecords, _VarDict, Acc) -> +constraints_to_subs([], _MFA, _RecDict, _ExpTypes, _AllRecords, _VarDict, Acc) -> Acc; -constraints_to_subs([C|Rest], Module, RecDict, ExpTypes, AllRecords, VarDict, Acc) -> +constraints_to_subs([C|Rest], MFA, RecDict, ExpTypes, AllRecords, VarDict, Acc) -> {T1, Form2} = C, - T2 = final_form(Form2, ExpTypes, Module, AllRecords, VarDict), + T2 = final_form(Form2, ExpTypes, MFA, AllRecords, VarDict), NewAcc = [{subtype, T1, T2}|Acc], - constraints_to_subs(Rest, Module, RecDict, ExpTypes, AllRecords, VarDict, NewAcc). + constraints_to_subs(Rest, MFA, RecDict, ExpTypes, AllRecords, VarDict, NewAcc). %% Replaces variables with '_' when necessary to break up cycles among %% the constraints. @@ -630,7 +629,7 @@ get_invalid_contract_warnings_funs([{MFA, {FileLine, Contract, _Xtra}}|Left], {error, {extra_range, ExtraRanges, STRange}} -> Warn = case t_from_forms_without_remote(Contract#contract.forms, - RecDict) of + MFA, RecDict) of {ok, NoRemoteType} -> CRet = erl_types:t_fun_range(NoRemoteType), erl_types:t_is_subtype(ExtraRanges, CRet); @@ -705,7 +704,7 @@ picky_contract_check(CSig0, Sig0, MFA, WarningInfo, Contract, RecDict, Acc) -> end end. -extra_contract_warning({M, F, A}, WarningInfo, Contract, CSig, Sig, RecDict) -> +extra_contract_warning(MFA, 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), @@ -717,11 +716,12 @@ extra_contract_warning({M, F, A}, WarningInfo, Contract, CSig, Sig, RecDict) -> %% The only difference is in record fields containing 'undefined' or not. IsUndefRecordFieldsRelated = SigString0 =:= ContractString0, {IsRemoteTypesRelated, SubtypeRelation} = - is_remote_types_related(Contract, CSig, Sig, RecDict), + is_remote_types_related(Contract, CSig, Sig, MFA, RecDict), case IsUndefRecordFieldsRelated orelse IsRemoteTypesRelated of true -> no_warning; false -> + {M, F, A} = MFA, SigString = lists:flatten(dialyzer_utils:format_sig(Sig, RecDict)), ContractString = contract_to_string(Contract), {Tag, Msg} = @@ -739,14 +739,15 @@ extra_contract_warning({M, F, A}, WarningInfo, Contract, CSig, Sig, RecDict) -> {warning, {Tag, WarningInfo, Msg}} end. -is_remote_types_related(Contract, CSig, Sig, RecDict) -> +is_remote_types_related(Contract, CSig, Sig, MFA, RecDict) -> case erl_types:t_is_subtype(CSig, Sig) of true -> {false, contract_is_subtype}; false -> case erl_types:t_is_subtype(Sig, CSig) of true -> - case t_from_forms_without_remote(Contract#contract.forms, RecDict) of + case t_from_forms_without_remote(Contract#contract.forms, MFA, + RecDict) of {ok, NoRemoteTypeSig} -> case blame_remote(CSig, NoRemoteTypeSig, Sig) of true -> @@ -762,13 +763,14 @@ is_remote_types_related(Contract, CSig, Sig, RecDict) -> end end. -t_from_forms_without_remote([{FType, []}], RecDict) -> - Type1 = erl_types:t_from_form_without_remote(FType, RecDict), +t_from_forms_without_remote([{FType, []}], MFA, RecDict) -> + Site = {spec, MFA}, + Type1 = erl_types:t_from_form_without_remote(FType, Site, RecDict), {ok, erl_types:subst_all_vars_to_any(Type1)}; -t_from_forms_without_remote([{_FType, _Constrs}], _RecDict) -> +t_from_forms_without_remote([{_FType, _Constrs}], _MFA, _RecDict) -> %% 'When' constraints unsupported; -t_from_forms_without_remote(_Forms, _RecDict) -> +t_from_forms_without_remote(_Forms, _MFA, _RecDict) -> %% Lots of forms unsupported. diff --git a/lib/dialyzer/src/dialyzer_utils.erl b/lib/dialyzer/src/dialyzer_utils.erl index b585646fde..7fe982a992 100644 --- a/lib/dialyzer/src/dialyzer_utils.erl +++ b/lib/dialyzer/src/dialyzer_utils.erl @@ -304,15 +304,16 @@ process_record_remote_types(CServer) -> RecordFun = fun(Key, Value) -> case Key of - {record, _Name} -> + {record, Name} -> FieldFun = - fun(_Arity, Fields) -> - [{Name, Field, + fun(Arity, Fields) -> + Site = {record, {Module, Name, Arity}}, + [{FieldName, Field, erl_types:t_from_form(Field, TempExpTypes, - Module, + Site, TempRecords1)} - || {Name, Field, _} <- Fields] + || {FieldName, Field, _} <- Fields] end, {FileLine, Fields} = Value, {FileLine, orddict:map(FieldFun, Fields)}; @@ -340,9 +341,10 @@ process_opaque_types(TempRecords, TempExpTypes) -> RecordFun = fun(Key, Value) -> case Key of - {opaque, _Name, _NArgs} -> + {opaque, Name, NArgs} -> {{_Module, _FileLine, Form, _ArgNames}=F, _Type} = Value, - Type = erl_types:t_from_form(Form, TempExpTypes, Module, + Site = {type, {Module, Name, NArgs}}, + Type = erl_types:t_from_form(Form, TempExpTypes, Site, TempRecords), {F, Type}; _Other -> Value @@ -355,25 +357,28 @@ process_opaque_types(TempRecords, TempExpTypes) -> check_record_fields(Records, TempExpTypes) -> CheckFun = fun({Module, Element}) -> - CheckForm = fun(F) -> - erl_types:t_check_record_fields(F, TempExpTypes, - Module, Records) + CheckForm = fun(Form, Site) -> + erl_types:t_check_record_fields(Form, TempExpTypes, + Site, Records) end, ElemFun = fun({Key, Value}) -> case Key of - {record, _Name} -> + {record, Name} -> FieldFun = - fun({_Arity, Fields}) -> - _ = [ok = CheckForm(Field) || {_, Field, _} <- Fields], + fun({Arity, Fields}) -> + Site = {record, {Module, Name, Arity}}, + _ = [ok = CheckForm(Field, Site) || + {_, Field, _} <- Fields], ok end, {FileLine, Fields} = Value, Fun = fun() -> lists:foreach(FieldFun, Fields) end, msg_with_position(Fun, FileLine); - {_OpaqueOrType, _Name, _} -> + {_OpaqueOrType, Name, NArgs} -> + Site = {type, {Module, Name, NArgs}}, {{_Module, FileLine, Form, _ArgNames}, _Type} = Value, - Fun = fun() -> ok = CheckForm(Form) end, + Fun = fun() -> ok = CheckForm(Form, Site) end, msg_with_position(Fun, FileLine) end end, |