diff options
Diffstat (limited to 'lib/dialyzer/src/dialyzer_contracts.erl')
-rw-r--r-- | lib/dialyzer/src/dialyzer_contracts.erl | 89 |
1 files changed, 41 insertions, 48 deletions
diff --git a/lib/dialyzer/src/dialyzer_contracts.erl b/lib/dialyzer/src/dialyzer_contracts.erl index f3fba68e84..5f24b5a668 100644 --- a/lib/dialyzer/src/dialyzer_contracts.erl +++ b/lib/dialyzer/src/dialyzer_contracts.erl @@ -1,8 +1,4 @@ %% -*- erlang-indent-level: 2 -*- -%%----------------------------------------------------------------------- -%% %CopyrightBegin% -%% -%% Copyright Ericsson AB 2007-2016. All Rights Reserved. %% %% Licensed under the Apache License, Version 2.0 (the "License"); %% you may not use this file except in compliance with the License. @@ -15,9 +11,6 @@ %% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. %% See the License for the specific language governing permissions and %% limitations under the License. -%% -%% %CopyrightEnd% -%% -module(dialyzer_contracts). @@ -31,7 +24,7 @@ get_contract_return/2, %% get_contract_signature/1, is_overloaded/1, - process_contract_remote_types/2, + process_contract_remote_types/1, store_tmp_contract/5]). -export_type([file_contract/0, plt_contracts/0]). @@ -146,18 +139,18 @@ sequence([], _Delimiter) -> ""; sequence([H], _Delimiter) -> H; sequence([H|T], Delimiter) -> H ++ Delimiter ++ sequence(T, Delimiter). --spec process_contract_remote_types(dialyzer_codeserver:codeserver(), - erl_types:mod_records()) -> +-spec process_contract_remote_types(dialyzer_codeserver:codeserver()) -> dialyzer_codeserver:codeserver(). -process_contract_remote_types(CodeServer, RecordDict) -> - Mods = dialyzer_codeserver:contracts_modules(CodeServer), +process_contract_remote_types(CodeServer) -> + Mods = dialyzer_codeserver:all_temp_modules(CodeServer), + RecordTable = dialyzer_codeserver:get_records_table(CodeServer), ExpTypes = dialyzer_codeserver:get_exported_types(CodeServer), ContractFun = fun({{_M, _F, _A}=MFA, {File, TmpContract, Xtra}}, C0) -> #tmp_contract{contract_funs = CFuns, forms = Forms} = TmpContract, {NewCs, C2} = lists:mapfoldl(fun(CFun, C1) -> - CFun(ExpTypes, RecordDict, C1) + CFun(ExpTypes, RecordTable, C1) end, C0, CFuns), Args = general_domain(NewCs), Contract = #contract{contracts = NewCs, args = Args, forms = Forms}, @@ -184,7 +177,7 @@ process_contract_remote_types(CodeServer, RecordDict) -> -type fun_types() :: dict:dict(label(), erl_types:type_table()). --spec check_contracts([{mfa(), file_contract()}], +-spec check_contracts(orddict:orddict(mfa(), file_contract()), dialyzer_callgraph:callgraph(), fun_types(), opaques_fun()) -> plt_contracts(). @@ -213,7 +206,7 @@ check_contracts(Contracts, Callgraph, FunTypes, FindOpaques) -> error -> NewContracts end end, - dict:fold(FoldFun, [], FunTypes). + orddict:from_list(dict:fold(FoldFun, [], FunTypes)). %% Checks all components of a contract -spec check_contract(#contract{}, erl_types:erl_type()) -> 'ok' | {'error', term()}. @@ -458,10 +451,10 @@ contract_from_form(Forms, MFA, RecDict, FileLine) -> contract_from_form([{type, _, 'fun', [_, _]} = Form | Left], MFA, RecDict, FileLine, TypeAcc, FormAcc) -> TypeFun = - fun(ExpTypes, AllRecords, Cache) -> + fun(ExpTypes, RecordTable, Cache) -> {NewType, NewCache} = try - from_form_with_check(Form, ExpTypes, MFA, AllRecords, Cache) + from_form_with_check(Form, ExpTypes, MFA, RecordTable, Cache) catch throw:{error, Msg} -> {File, Line} = FileLine, @@ -479,12 +472,12 @@ contract_from_form([{type, _L1, bounded_fun, [{type, _L2, 'fun', [_, _]} = Form, Constr]}| Left], MFA, RecDict, FileLine, TypeAcc, FormAcc) -> TypeFun = - fun(ExpTypes, AllRecords, Cache) -> + fun(ExpTypes, RecordTable, Cache) -> {Constr1, VarTable, Cache1} = - process_constraints(Constr, MFA, RecDict, ExpTypes, AllRecords, + process_constraints(Constr, MFA, RecDict, ExpTypes, RecordTable, Cache), {NewType, NewCache} = - from_form_with_check(Form, ExpTypes, MFA, AllRecords, + from_form_with_check(Form, ExpTypes, MFA, RecordTable, VarTable, Cache1), NewTypeNoVars = erl_types:subst_all_vars_to_any(NewType), {{NewTypeNoVars, Constr1}, NewCache} @@ -495,28 +488,28 @@ contract_from_form([{type, _L1, bounded_fun, contract_from_form([], _MFA, _RecDict, _FileLine, TypeAcc, FormAcc) -> {lists:reverse(TypeAcc), lists:reverse(FormAcc)}. -process_constraints(Constrs, MFA, RecDict, ExpTypes, AllRecords, Cache) -> +process_constraints(Constrs, MFA, RecDict, ExpTypes, RecordTable, Cache) -> {Init0, NewCache} = initialize_constraints(Constrs, MFA, RecDict, ExpTypes, - AllRecords, Cache), + RecordTable, Cache), Init = remove_cycles(Init0), - constraints_fixpoint(Init, MFA, RecDict, ExpTypes, AllRecords, NewCache). + constraints_fixpoint(Init, MFA, RecDict, ExpTypes, RecordTable, NewCache). -initialize_constraints(Constrs, MFA, RecDict, ExpTypes, AllRecords, Cache) -> - initialize_constraints(Constrs, MFA, RecDict, ExpTypes, AllRecords, +initialize_constraints(Constrs, MFA, RecDict, ExpTypes, RecordTable, Cache) -> + initialize_constraints(Constrs, MFA, RecDict, ExpTypes, RecordTable, Cache, []). -initialize_constraints([], _MFA, _RecDict, _ExpTypes, _AllRecords, +initialize_constraints([], _MFA, _RecDict, _ExpTypes, _RecordTable, Cache, Acc) -> {Acc, Cache}; -initialize_constraints([Constr|Rest], MFA, RecDict, ExpTypes, AllRecords, +initialize_constraints([Constr|Rest], MFA, RecDict, ExpTypes, RecordTable, Cache, Acc) -> case Constr of {type, _, constraint, [{atom, _, is_subtype}, [Type1, Type2]]} -> VarTable = erl_types:var_table__new(), {T1, NewCache} = - final_form(Type1, ExpTypes, MFA, AllRecords, VarTable, Cache), + final_form(Type1, ExpTypes, MFA, RecordTable, VarTable, Cache), Entry = {T1, Type2}, - initialize_constraints(Rest, MFA, RecDict, ExpTypes, AllRecords, + initialize_constraints(Rest, MFA, RecDict, ExpTypes, RecordTable, NewCache, [Entry|Acc]); {type, _, constraint, [{atom,_,Name}, List]} -> N = length(List), @@ -524,18 +517,18 @@ initialize_constraints([Constr|Rest], MFA, RecDict, ExpTypes, AllRecords, io_lib:format("Unsupported type guard ~w/~w\n", [Name, N])}) end. -constraints_fixpoint(Constrs, MFA, RecDict, ExpTypes, AllRecords, Cache) -> +constraints_fixpoint(Constrs, MFA, RecDict, ExpTypes, RecordTable, Cache) -> VarTable = erl_types:var_table__new(), {VarTab, NewCache} = - constraints_to_dict(Constrs, MFA, RecDict, ExpTypes, AllRecords, + constraints_to_dict(Constrs, MFA, RecDict, ExpTypes, RecordTable, VarTable, Cache), constraints_fixpoint(VarTab, MFA, Constrs, RecDict, ExpTypes, - AllRecords, NewCache). + RecordTable, NewCache). constraints_fixpoint(OldVarTab, MFA, Constrs, RecDict, ExpTypes, - AllRecords, Cache) -> + RecordTable, Cache) -> {NewVarTab, NewCache} = - constraints_to_dict(Constrs, MFA, RecDict, ExpTypes, AllRecords, + constraints_to_dict(Constrs, MFA, RecDict, ExpTypes, RecordTable, OldVarTab, Cache), case NewVarTab of OldVarTab -> @@ -547,38 +540,38 @@ constraints_fixpoint(OldVarTab, MFA, Constrs, RecDict, ExpTypes, {FinalConstrs, NewVarTab, NewCache}; _Other -> constraints_fixpoint(NewVarTab, MFA, Constrs, RecDict, ExpTypes, - AllRecords, NewCache) + RecordTable, NewCache) end. -final_form(Form, ExpTypes, MFA, AllRecords, VarTable, Cache) -> - from_form_with_check(Form, ExpTypes, MFA, AllRecords, VarTable, Cache). +final_form(Form, ExpTypes, MFA, RecordTable, VarTable, Cache) -> + from_form_with_check(Form, ExpTypes, MFA, RecordTable, VarTable, Cache). -from_form_with_check(Form, ExpTypes, MFA, AllRecords, Cache) -> +from_form_with_check(Form, ExpTypes, MFA, RecordTable, Cache) -> VarTable = erl_types:var_table__new(), - from_form_with_check(Form, ExpTypes, MFA, AllRecords, VarTable, Cache). + from_form_with_check(Form, ExpTypes, MFA, RecordTable, VarTable, Cache). -from_form_with_check(Form, ExpTypes, MFA, AllRecords, VarTable, Cache) -> +from_form_with_check(Form, ExpTypes, MFA, RecordTable, VarTable, Cache) -> Site = {spec, MFA}, - C1 = erl_types:t_check_record_fields(Form, ExpTypes, Site, AllRecords, + C1 = erl_types:t_check_record_fields(Form, ExpTypes, Site, RecordTable, VarTable, Cache), - erl_types:t_from_form(Form, ExpTypes, Site, AllRecords, VarTable, C1). + erl_types:t_from_form(Form, ExpTypes, Site, RecordTable, VarTable, C1). -constraints_to_dict(Constrs, MFA, RecDict, ExpTypes, AllRecords, +constraints_to_dict(Constrs, MFA, RecDict, ExpTypes, RecordTable, VarTab, Cache) -> {Subtypes, NewCache} = - constraints_to_subs(Constrs, MFA, RecDict, ExpTypes, AllRecords, + constraints_to_subs(Constrs, MFA, RecDict, ExpTypes, RecordTable, VarTab, Cache, []), {insert_constraints(Subtypes), NewCache}. -constraints_to_subs([], _MFA, _RecDict, _ExpTypes, _AllRecords, +constraints_to_subs([], _MFA, _RecDict, _ExpTypes, _RecordTable, _VarTab, Cache, Acc) -> {Acc, Cache}; -constraints_to_subs([{T1, Form2}|Rest], MFA, RecDict, ExpTypes, AllRecords, +constraints_to_subs([{T1, Form2}|Rest], MFA, RecDict, ExpTypes, RecordTable, VarTab, Cache, Acc) -> {T2, NewCache} = - final_form(Form2, ExpTypes, MFA, AllRecords, VarTab, Cache), + final_form(Form2, ExpTypes, MFA, RecordTable, VarTab, Cache), NewAcc = [{subtype, T1, T2}|Acc], - constraints_to_subs(Rest, MFA, RecDict, ExpTypes, AllRecords, + constraints_to_subs(Rest, MFA, RecDict, ExpTypes, RecordTable, VarTab, NewCache, NewAcc). %% Replaces variables with '_' when necessary to break up cycles among |