From 854ee8bdef9d2dde4184927e4848973e242eb69d Mon Sep 17 00:00:00 2001
From: Hans Bolinder <hasse@erlang.org>
Date: Fri, 16 Jan 2015 10:26:44 +0100
Subject: [dialyzer] Fix the conversion of forms to types
In particular fix handling of records.
---
lib/dialyzer/src/dialyzer_contracts.erl | 80 ++-
lib/dialyzer/src/dialyzer_dataflow.erl | 8 +-
lib/dialyzer/src/dialyzer_typesig.erl | 4 +-
lib/dialyzer/src/dialyzer_utils.erl | 110 +--
.../results/contracts_with_subtypes | 36 +-
.../src/contracts_with_subtypes.erl | 12 +-
lib/hipe/cerl/erl_types.erl | 754 ++++++++++-----------
7 files changed, 478 insertions(+), 526 deletions(-)
(limited to 'lib')
diff --git a/lib/dialyzer/src/dialyzer_contracts.erl b/lib/dialyzer/src/dialyzer_contracts.erl
index 39a178cb7d..4a1ba9c539 100644
--- a/lib/dialyzer/src/dialyzer_contracts.erl
+++ b/lib/dialyzer/src/dialyzer_contracts.erl
@@ -2,7 +2,7 @@
%%-----------------------------------------------------------------------
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2007-2014. All Rights Reserved.
+%% Copyright Ericsson AB 2007-2015. All Rights Reserved.
%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
@@ -394,21 +394,22 @@ insert_constraints([], Dict) -> Dict.
store_tmp_contract(MFA, FileLine, {TypeSpec, Xtra}, SpecDict, RecordsDict) ->
%% io:format("contract from form: ~p\n", [TypeSpec]),
- TmpContract = contract_from_form(TypeSpec, RecordsDict, FileLine),
+ {Module, _, _} = MFA,
+ TmpContract = contract_from_form(TypeSpec, Module, RecordsDict, FileLine),
%% io:format("contract: ~p\n", [TmpContract]),
dict:store(MFA, {FileLine, TmpContract, Xtra}, SpecDict).
-contract_from_form(Forms, RecDict, FileLine) ->
- {CFuns, Forms1} = contract_from_form(Forms, RecDict, FileLine, [], []),
+contract_from_form(Forms, Module, RecDict, FileLine) ->
+ {CFuns, Forms1} = contract_from_form(Forms, Module, RecDict, FileLine, [], []),
#tmp_contract{contract_funs = CFuns, forms = Forms1}.
-contract_from_form([{type, _, 'fun', [_, _]} = Form | Left], RecDict,
+contract_from_form([{type, _, 'fun', [_, _]} = Form | Left], Module, RecDict,
FileLine, TypeAcc, FormAcc) ->
TypeFun =
fun(ExpTypes, AllRecords) ->
- Type =
+ NewType =
try
- erl_types:t_from_form(Form, RecDict)
+ erl_types:t_from_form(Form, ExpTypes, Module, AllRecords)
catch
throw:{error, Msg} ->
{File, Line} = FileLine,
@@ -416,61 +417,60 @@ contract_from_form([{type, _, 'fun', [_, _]} = Form | Left], RecDict,
Line, Msg]),
throw({error, NewMsg})
end,
- NewType = erl_types:t_solve_remote(Type, ExpTypes, AllRecords),
NewTypeNoVars = erl_types:subst_all_vars_to_any(NewType),
{NewTypeNoVars, []}
end,
NewTypeAcc = [TypeFun | TypeAcc],
NewFormAcc = [{Form, []} | FormAcc],
- contract_from_form(Left, RecDict, FileLine, NewTypeAcc, NewFormAcc);
+ contract_from_form(Left, Module, RecDict, FileLine, NewTypeAcc, NewFormAcc);
contract_from_form([{type, _L1, bounded_fun,
[{type, _L2, 'fun', [_, _]} = Form, Constr]}| Left],
- RecDict, FileLine, TypeAcc, FormAcc) ->
+ Module, RecDict, FileLine, TypeAcc, FormAcc) ->
TypeFun =
fun(ExpTypes, AllRecords) ->
{Constr1, VarDict} =
- process_constraints(Constr, RecDict, ExpTypes, AllRecords),
- Type = erl_types:t_from_form(Form, RecDict, VarDict),
- NewType = erl_types:t_solve_remote(Type, ExpTypes, AllRecords),
+ process_constraints(Constr, Module, RecDict, ExpTypes, AllRecords),
+ NewType = erl_types:t_from_form(Form, ExpTypes, Module, 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, RecDict, FileLine, NewTypeAcc, NewFormAcc);
-contract_from_form([], _RecDict, _FileLine, TypeAcc, FormAcc) ->
+ contract_from_form(Left, Module, RecDict, FileLine, NewTypeAcc, NewFormAcc);
+contract_from_form([], _Module, _RecDict, _FileLine, TypeAcc, FormAcc) ->
{lists:reverse(TypeAcc), lists:reverse(FormAcc)}.
-process_constraints(Constrs, RecDict, ExpTypes, AllRecords) ->
- Init0 = initialize_constraints(Constrs, RecDict, ExpTypes, AllRecords),
+process_constraints(Constrs, Module, RecDict, ExpTypes, AllRecords) ->
+ Init0 = initialize_constraints(Constrs, Module, RecDict, ExpTypes, AllRecords),
Init = remove_cycles(Init0),
- constraints_fixpoint(Init, RecDict, ExpTypes, AllRecords).
+ constraints_fixpoint(Init, Module, RecDict, ExpTypes, AllRecords).
-initialize_constraints(Constrs, RecDict, ExpTypes, AllRecords) ->
- initialize_constraints(Constrs, RecDict, ExpTypes, AllRecords, []).
+initialize_constraints(Constrs, Module, RecDict, ExpTypes, AllRecords) ->
+ initialize_constraints(Constrs, Module, RecDict, ExpTypes, AllRecords, []).
-initialize_constraints([], _RecDict, _ExpTypes, _AllRecords, Acc) ->
+initialize_constraints([], _Module, _RecDict, _ExpTypes, _AllRecords, Acc) ->
Acc;
-initialize_constraints([Constr|Rest], RecDict, ExpTypes, AllRecords, Acc) ->
+initialize_constraints([Constr|Rest], Module, RecDict, ExpTypes, AllRecords, Acc) ->
case Constr of
{type, _, constraint, [{atom, _, is_subtype}, [Type1, Type2]]} ->
- T1 = final_form(Type1, RecDict, ExpTypes, AllRecords, dict:new()),
+ T1 = final_form(Type1, Module, ExpTypes, AllRecords, dict:new()),
Entry = {T1, Type2},
- initialize_constraints(Rest, RecDict, ExpTypes, AllRecords, [Entry|Acc]);
+ initialize_constraints(Rest, Module, 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, RecDict, ExpTypes, AllRecords) ->
+constraints_fixpoint(Constrs, Module, RecDict, ExpTypes, AllRecords) ->
VarDict =
- constraints_to_dict(Constrs, RecDict, ExpTypes, AllRecords, dict:new()),
- constraints_fixpoint(VarDict, Constrs, RecDict, ExpTypes, AllRecords).
+ constraints_to_dict(Constrs, Module, RecDict, ExpTypes, AllRecords, dict:new()),
+ constraints_fixpoint(VarDict, Module, Constrs, RecDict, ExpTypes, AllRecords).
-constraints_fixpoint(OldVarDict, Constrs, RecDict, ExpTypes, AllRecords) ->
+constraints_fixpoint(OldVarDict, Module, Constrs, RecDict, ExpTypes, AllRecords) ->
NewVarDict =
- constraints_to_dict(Constrs, RecDict, ExpTypes, AllRecords, OldVarDict),
+ constraints_to_dict(Constrs, Module, RecDict, ExpTypes, AllRecords, OldVarDict),
case NewVarDict of
OldVarDict ->
DictFold =
@@ -480,25 +480,24 @@ constraints_fixpoint(OldVarDict, Constrs, RecDict, ExpTypes, AllRecords) ->
FinalConstrs = dict:fold(DictFold, [], NewVarDict),
{FinalConstrs, NewVarDict};
_Other ->
- constraints_fixpoint(NewVarDict, Constrs, RecDict, ExpTypes, AllRecords)
+ constraints_fixpoint(NewVarDict, Module, Constrs, RecDict, ExpTypes, AllRecords)
end.
-final_form(Form, RecDict, ExpTypes, AllRecords, VarDict) ->
- T1 = erl_types:t_from_form(Form, RecDict, VarDict),
- erl_types:t_solve_remote(T1, ExpTypes, AllRecords).
+final_form(Form, Module, ExpTypes, AllRecords, VarDict) ->
+ erl_types:t_from_form(Form, ExpTypes, Module, AllRecords, VarDict).
-constraints_to_dict(Constrs, RecDict, ExpTypes, AllRecords, VarDict) ->
+constraints_to_dict(Constrs, Module, RecDict, ExpTypes, AllRecords, VarDict) ->
Subtypes =
- constraints_to_subs(Constrs, RecDict, ExpTypes, AllRecords, VarDict, []),
+ constraints_to_subs(Constrs, Module, RecDict, ExpTypes, AllRecords, VarDict, []),
insert_constraints(Subtypes, dict:new()).
-constraints_to_subs([], _RecDict, _ExpTypes, _AllRecords, _VarDict, Acc) ->
+constraints_to_subs([], _Module, _RecDict, _ExpTypes, _AllRecords, _VarDict, Acc) ->
Acc;
-constraints_to_subs([C|Rest], RecDict, ExpTypes, AllRecords, VarDict, Acc) ->
+constraints_to_subs([C|Rest], Module, RecDict, ExpTypes, AllRecords, VarDict, Acc) ->
{T1, Form2} = C,
- T2 = final_form(Form2, RecDict, ExpTypes, AllRecords, VarDict),
+ T2 = final_form(Form2, Module, ExpTypes, AllRecords, VarDict),
NewAcc = [{subtype, T1, T2}|Acc],
- constraints_to_subs(Rest, RecDict, ExpTypes, AllRecords, VarDict, NewAcc).
+ constraints_to_subs(Rest, Module, RecDict, ExpTypes, AllRecords, VarDict, NewAcc).
%% Replaces variables with '_' when necessary to break up cycles among
%% the constraints.
@@ -754,8 +753,7 @@ is_remote_types_related(Contract, CSig, Sig, RecDict) ->
end.
t_from_forms_without_remote([{FType, []}], RecDict) ->
- Type0 = erl_types:t_from_form(FType, RecDict),
- Type1 = erl_types:subst_all_remote(Type0, erl_types:t_none()),
+ Type1 = erl_types:t_from_form_without_remote(FType, RecDict),
{ok, erl_types:subst_all_vars_to_any(Type1)};
t_from_forms_without_remote([{_FType, _Constrs}], _RecDict) ->
%% 'When' constraints
diff --git a/lib/dialyzer/src/dialyzer_dataflow.erl b/lib/dialyzer/src/dialyzer_dataflow.erl
index ea1b09fcdd..336b4641d4 100644
--- a/lib/dialyzer/src/dialyzer_dataflow.erl
+++ b/lib/dialyzer/src/dialyzer_dataflow.erl
@@ -2,7 +2,7 @@
%%--------------------------------------------------------------------
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2006-2014. All Rights Reserved.
+%% Copyright Ericsson AB 2006-2015. All Rights Reserved.
%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
@@ -2977,8 +2977,10 @@ state__lookup_name(Fun, #state{callgraph = Callgraph}) ->
state__lookup_record(Tag, Arity, #state{records = Records}) ->
case erl_types:lookup_record(Tag, Arity, Records) of
{ok, Fields} ->
- {ok, t_tuple([t_atom(Tag)|
- [FieldType || {_FieldName, FieldType} <- Fields]])};
+ RecType =
+ t_tuple([t_atom(Tag)|
+ [FieldType || {_FieldName, _Abstr, FieldType} <- Fields]]),
+ {ok, RecType};
error ->
error
end.
diff --git a/lib/dialyzer/src/dialyzer_typesig.erl b/lib/dialyzer/src/dialyzer_typesig.erl
index 217d238712..1737bfd3a9 100644
--- a/lib/dialyzer/src/dialyzer_typesig.erl
+++ b/lib/dialyzer/src/dialyzer_typesig.erl
@@ -2,7 +2,7 @@
%%-----------------------------------------------------------------------
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2006-2014. All Rights Reserved.
+%% Copyright Ericsson AB 2006-2015. All Rights Reserved.
%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
@@ -3264,7 +3264,7 @@ lookup_record(Records, Tag, Arity) ->
{ok, Fields} ->
RecType =
t_tuple([t_from_term(Tag)|
- [FieldType || {_FieldName, FieldType} <- Fields]]),
+ [FieldType || {_FieldName, _Abstr, FieldType} <- Fields]]),
{ok, RecType};
error ->
error
diff --git a/lib/dialyzer/src/dialyzer_utils.erl b/lib/dialyzer/src/dialyzer_utils.erl
index 01ade00664..62a214a886 100644
--- a/lib/dialyzer/src/dialyzer_utils.erl
+++ b/lib/dialyzer/src/dialyzer_utils.erl
@@ -2,7 +2,7 @@
%%-----------------------------------------------------------------------
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2006-2014. All Rights Reserved.
+%% Copyright Ericsson AB 2006-2015. All Rights Reserved.
%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
@@ -221,28 +221,29 @@ get_record_and_type_info([{attribute, _, type, {{record, Name}, Fields0, []}}
get_record_and_type_info([{attribute, _, Attr, {Name, TypeForm}}|Left],
Module, Records, RecDict) when Attr =:= 'type';
Attr =:= 'opaque' ->
- try
- NewRecDict = add_new_type(Attr, Name, TypeForm, [], Module, RecDict),
- get_record_and_type_info(Left, Module, Records, NewRecDict)
+ try add_new_type(Attr, Name, TypeForm, [], Module, RecDict) of
+ NewRecDict ->
+ get_record_and_type_info(Left, Module, Records, NewRecDict)
catch
throw:{error, _} = Error -> Error
end;
get_record_and_type_info([{attribute, _, Attr, {Name, TypeForm, Args}}|Left],
Module, Records, RecDict) when Attr =:= 'type';
Attr =:= 'opaque' ->
- try
- NewRecDict = add_new_type(Attr, Name, TypeForm, Args, Module, RecDict),
- get_record_and_type_info(Left, Module, Records, NewRecDict)
+ try add_new_type(Attr, Name, TypeForm, Args, Module, RecDict) of
+ NewRecDict ->
+ get_record_and_type_info(Left, Module, Records, NewRecDict)
catch
throw:{error, _} = Error -> Error
end;
get_record_and_type_info([_Other|Left], Module, Records, RecDict) ->
get_record_and_type_info(Left, Module, Records, RecDict);
get_record_and_type_info([], _Module, Records, RecDict) ->
- case type_record_fields(lists:reverse(Records), RecDict) of
- {ok, _NewRecDict} = Ok ->
- ?debug(_NewRecDict),
- Ok;
+ case
+ check_type_of_record_fields(lists:reverse(Records), RecDict)
+ of
+ ok ->
+ {ok, RecDict};
{error, Name, Error} ->
{error, flat_format(" Error while parsing #~w{}: ~s\n", [Name, Error])}
end.
@@ -254,20 +255,20 @@ add_new_type(TypeOrOpaque, Name, TypeForm, ArgForms, Module, RecDict) ->
Msg = flat_format("Type ~s/~w already defined\n", [Name, Arity]),
throw({error, Msg});
false ->
- ArgTypes = [erl_types:t_from_form(X) || X <- ArgForms],
- case lists:all(fun erl_types:t_is_var/1, ArgTypes) of
- true ->
- ArgNames = [erl_types:t_var_name(X) || X <- ArgTypes],
+ try erl_types:t_var_names(ArgForms) of
+ ArgNames ->
dict:store({TypeOrOpaque, Name, Arity},
- {Module, TypeForm, ArgNames}, RecDict);
- false ->
+ {Module, TypeForm, ArgNames}, RecDict)
+ catch
+ _:_ ->
throw({error, flat_format("Type declaration for ~w does not "
"have variables as parameters", [Name])})
end
end.
get_record_fields(Fields, RecDict) ->
- get_record_fields(Fields, RecDict, []).
+ Fs = get_record_fields(Fields, RecDict, []),
+ {ok, [{Name, Form, erl_types:t_any()} || {Name, Form} <- Fs]}.
get_record_fields([{typed_record_field, OrdRecField, TypeForm}|Left],
RecDict, Acc) ->
@@ -276,7 +277,7 @@ get_record_fields([{typed_record_field, OrdRecField, TypeForm}|Left],
{record_field, _Line, Name0} -> erl_parse:normalise(Name0);
{record_field, _Line, Name0, _Init} -> erl_parse:normalise(Name0)
end,
- get_record_fields(Left, RecDict, [{Name, TypeForm}|Acc]);
+ get_record_fields(Left, RecDict, [{Name, TypeForm}|Acc]);
get_record_fields([{record_field, _Line, Name}|Left], RecDict, Acc) ->
NewAcc = [{erl_parse:normalise(Name), {var, -1, '_'}}|Acc],
get_record_fields(Left, RecDict, NewAcc);
@@ -284,22 +285,20 @@ get_record_fields([{record_field, _Line, Name, _Init}|Left], RecDict, Acc) ->
NewAcc = [{erl_parse:normalise(Name), {var, -1, '_'}}|Acc],
get_record_fields(Left, RecDict, NewAcc);
get_record_fields([], _RecDict, Acc) ->
- {ok, lists:reverse(Acc)}.
+ lists:reverse(Acc).
-type_record_fields([], RecDict) ->
- {ok, RecDict};
-type_record_fields([RecKey|Recs], RecDict) ->
- {ok, [{Arity, Fields}]} = dict:find(RecKey, RecDict),
+%% Just check the local types. process_record_remote_types will add
+%% the types later.
+check_type_of_record_fields([], _RecDict) ->
+ ok;
+check_type_of_record_fields([RecKey|Recs], RecDict) ->
+ {ok, [{_Arity, Fields}]} = dict:find(RecKey, RecDict),
try
- TypedFields =
- [{FieldName, erl_types:t_from_form(FieldTypeForm, RecDict)}
- || {FieldName, FieldTypeForm} <- Fields],
- RecDict1 = dict:store(RecKey, [{Arity, TypedFields}], RecDict),
- Fun = fun(OldOrdDict) ->
- orddict:store(Arity, TypedFields, OldOrdDict)
- end,
- RecDict2 = dict:update(RecKey, Fun, RecDict1),
- type_record_fields(Recs, RecDict2)
+ [erl_types:t_from_form_without_remote(FieldTypeForm, RecDict)
+ || {_FieldName, FieldTypeForm, _} <- Fields]
+ of
+ L when is_list(L) ->
+ check_type_of_record_fields(Recs, RecDict)
catch
throw:{error, Error} ->
{record, Name} = RecKey,
@@ -308,30 +307,39 @@ type_record_fields([RecKey|Recs], RecDict) ->
-spec process_record_remote_types(codeserver()) -> codeserver().
+%% The field types are cached. Used during analysis when handling records.
process_record_remote_types(CServer) ->
TempRecords = dialyzer_codeserver:get_temp_records(CServer),
TempExpTypes = dialyzer_codeserver:get_temp_exported_types(CServer),
- RecordFun =
- fun(Key, Value) ->
- case Key of
- {record, _Name} ->
- FieldFun =
- fun(_Arity, Fields) ->
- [{Name, erl_types:t_solve_remote(Field, TempExpTypes,
- TempRecords)}
- || {Name, Field} <- Fields]
- end,
- orddict:map(FieldFun, Value);
- _Other -> Value
- end
- end,
ModuleFun =
- fun(_Module, Record) ->
+ fun(Module, Record) ->
+ RecordFun =
+ fun(Key, Value) ->
+ case Key of
+ {record, _Name} ->
+ FieldFun =
+ fun(_Arity, Fields) ->
+ [{Name, Field,
+ erl_types:t_from_form(Field,
+ TempExpTypes,
+ Module,
+ TempRecords)}
+ || {Name, Field, _} <- Fields]
+ end,
+ orddict:map(FieldFun, Value);
+ _Other -> Value
+ end
+ end,
dict:map(RecordFun, Record)
end,
- NewRecords = dict:map(ModuleFun, TempRecords),
- CServer1 = dialyzer_codeserver:finalize_records(NewRecords, CServer),
- dialyzer_codeserver:finalize_exported_types(TempExpTypes, CServer1).
+ try dict:map(ModuleFun, TempRecords) of
+ NewRecords ->
+ CServer1 = dialyzer_codeserver:finalize_records(NewRecords, CServer),
+ dialyzer_codeserver:finalize_exported_types(TempExpTypes, CServer1)
+ catch
+ throw:{error, _RecName, _Error} = Error->
+ Error
+ end.
-spec merge_records(dict:dict(), dict:dict()) -> dict:dict().
diff --git a/lib/dialyzer/test/small_SUITE_data/results/contracts_with_subtypes b/lib/dialyzer/test/small_SUITE_data/results/contracts_with_subtypes
index fbdd182358..a9fbfb6068 100644
--- a/lib/dialyzer/test/small_SUITE_data/results/contracts_with_subtypes
+++ b/lib/dialyzer/test/small_SUITE_data/results/contracts_with_subtypes
@@ -6,23 +6,27 @@ contracts_with_subtypes.erl:135: The call contracts_with_subtypes:rec2({'a','b'}
contracts_with_subtypes.erl:136: The call contracts_with_subtypes:rec2({'b','a'}) breaks the contract (Arg) -> 'ok' when is_subtype(Arg,ab())
contracts_with_subtypes.erl:137: The call contracts_with_subtypes:rec2({'a',{'b','a'}}) breaks the contract (Arg) -> 'ok' when is_subtype(Arg,ab())
contracts_with_subtypes.erl:138: The call contracts_with_subtypes:rec2({'b',{'a','b'}}) breaks the contract (Arg) -> 'ok' when is_subtype(Arg,ab())
-contracts_with_subtypes.erl:171: The pattern 1 can never match the type string()
-contracts_with_subtypes.erl:174: The pattern 'alpha' can never match the type {'ok',_} | {'ok',_,string()}
-contracts_with_subtypes.erl:176: The pattern 42 can never match the type {'ok',_} | {'ok',_,string()}
-contracts_with_subtypes.erl:192: The pattern 'alpha' can never match the type {'ok',_}
-contracts_with_subtypes.erl:194: The pattern 42 can never match the type {'ok',_}
-contracts_with_subtypes.erl:212: The pattern 'alpha' can never match the type {'ok',_}
-contracts_with_subtypes.erl:214: The pattern 42 can never match the type {'ok',_}
-contracts_with_subtypes.erl:231: The pattern 1 can never match the type string()
-contracts_with_subtypes.erl:234: The pattern {'ok', _} can never match the type {'ok',_,string()}
-contracts_with_subtypes.erl:235: The pattern 'alpha' can never match the type {'ok',_,string()}
-contracts_with_subtypes.erl:236: The pattern {'ok', 42} can never match the type {'ok',_,string()}
-contracts_with_subtypes.erl:237: The pattern 42 can never match the type {'ok',_,string()}
+contracts_with_subtypes.erl:139: The call contracts_with_subtypes:rec2({'a',{'b',{'a','b'}}}) breaks the contract (Arg) -> 'ok' when is_subtype(Arg,ab())
+contracts_with_subtypes.erl:140: The call contracts_with_subtypes:rec2({'b',{'a',{'b','a'}}}) breaks the contract (Arg) -> 'ok' when is_subtype(Arg,ab())
+contracts_with_subtypes.erl:141: The call contracts_with_subtypes:rec2({'a',{'b',{'a',{'b','a'}}}}) breaks the contract (Arg) -> 'ok' when is_subtype(Arg,ab())
+contracts_with_subtypes.erl:142: The call contracts_with_subtypes:rec2({'b',{'a',{'b',{'a','b'}}}}) breaks the contract (Arg) -> 'ok' when is_subtype(Arg,ab())
+contracts_with_subtypes.erl:175: The pattern 1 can never match the type string()
+contracts_with_subtypes.erl:178: The pattern 'alpha' can never match the type {'ok',_} | {'ok',_,string()}
+contracts_with_subtypes.erl:180: The pattern 42 can never match the type {'ok',_} | {'ok',_,string()}
+contracts_with_subtypes.erl:196: The pattern 'alpha' can never match the type {'ok',_}
+contracts_with_subtypes.erl:198: The pattern 42 can never match the type {'ok',_}
+contracts_with_subtypes.erl:216: The pattern 'alpha' can never match the type {'ok',_}
+contracts_with_subtypes.erl:218: The pattern 42 can never match the type {'ok',_}
+contracts_with_subtypes.erl:235: The pattern 1 can never match the type string()
+contracts_with_subtypes.erl:238: The pattern {'ok', _} can never match the type {'ok',_,string()}
+contracts_with_subtypes.erl:239: The pattern 'alpha' can never match the type {'ok',_,string()}
contracts_with_subtypes.erl:23: Invalid type specification for function contracts_with_subtypes:extract2/0. The success typing is () -> 'something'
-contracts_with_subtypes.erl:263: Function flat_ets_new_t/0 has no local return
-contracts_with_subtypes.erl:264: The call contracts_with_subtypes:flat_ets_new(12,[]) breaks the contract (Name,Options) -> atom() when is_subtype(Name,atom()), is_subtype(Options,[Option]), is_subtype(Option,'set' | 'ordered_set' | 'bag' | 'duplicate_bag' | 'public' | 'protected' | 'private' | 'named_table' | {'keypos',integer()} | {'heir',pid(),term()} | {'heir','none'} | {'write_concurrency',boolean()} | {'read_concurrency',boolean()} | 'compressed')
-contracts_with_subtypes.erl:290: Function factored_ets_new_t/0 has no local return
-contracts_with_subtypes.erl:291: The call contracts_with_subtypes:factored_ets_new(12,[]) breaks the contract (Name,Options) -> atom() when is_subtype(Name,atom()), is_subtype(Options,[Option]), is_subtype(Option,Type | Access | 'named_table' | {'keypos',Pos} | {'heir',Pid::pid(),HeirData} | {'heir','none'} | Tweaks), is_subtype(Type,type()), is_subtype(Access,access()), is_subtype(Tweaks,{'write_concurrency',boolean()} | {'read_concurrency',boolean()} | 'compressed'), is_subtype(Pos,pos_integer()), is_subtype(HeirData,term())
+contracts_with_subtypes.erl:240: The pattern {'ok', 42} can never match the type {'ok',_,string()}
+contracts_with_subtypes.erl:241: The pattern 42 can never match the type {'ok',_,string()}
+contracts_with_subtypes.erl:267: Function flat_ets_new_t/0 has no local return
+contracts_with_subtypes.erl:268: The call contracts_with_subtypes:flat_ets_new(12,[]) breaks the contract (Name,Options) -> atom() when is_subtype(Name,atom()), is_subtype(Options,[Option]), is_subtype(Option,'set' | 'ordered_set' | 'bag' | 'duplicate_bag' | 'public' | 'protected' | 'private' | 'named_table' | {'keypos',integer()} | {'heir',pid(),term()} | {'heir','none'} | {'write_concurrency',boolean()} | {'read_concurrency',boolean()} | 'compressed')
+contracts_with_subtypes.erl:294: Function factored_ets_new_t/0 has no local return
+contracts_with_subtypes.erl:295: The call contracts_with_subtypes:factored_ets_new(12,[]) breaks the contract (Name,Options) -> atom() when is_subtype(Name,atom()), is_subtype(Options,[Option]), is_subtype(Option,Type | Access | 'named_table' | {'keypos',Pos} | {'heir',Pid::pid(),HeirData} | {'heir','none'} | Tweaks), is_subtype(Type,type()), is_subtype(Access,access()), is_subtype(Tweaks,{'write_concurrency',boolean()} | {'read_concurrency',boolean()} | 'compressed'), is_subtype(Pos,pos_integer()), is_subtype(HeirData,term())
contracts_with_subtypes.erl:77: The call contracts_with_subtypes:foo1(5) breaks the contract (Arg1) -> Res when is_subtype(Arg1,atom()), is_subtype(Res,atom())
contracts_with_subtypes.erl:78: The call contracts_with_subtypes:foo2(5) breaks the contract (Arg1) -> Res when is_subtype(Arg1,Arg2), is_subtype(Arg2,atom()), is_subtype(Res,atom())
contracts_with_subtypes.erl:79: The call contracts_with_subtypes:foo3(5) breaks the contract (Arg1) -> Res when is_subtype(Arg2,atom()), is_subtype(Arg1,Arg2), is_subtype(Res,atom())
diff --git a/lib/dialyzer/test/small_SUITE_data/src/contracts_with_subtypes.erl b/lib/dialyzer/test/small_SUITE_data/src/contracts_with_subtypes.erl
index d7dfd9752e..dbabd904c2 100644
--- a/lib/dialyzer/test/small_SUITE_data/src/contracts_with_subtypes.erl
+++ b/lib/dialyzer/test/small_SUITE_data/src/contracts_with_subtypes.erl
@@ -136,10 +136,14 @@ q(ab) -> rec2({a, b}); % breaks the contract
q(ba) -> rec2({b, a}); % breaks the contract
q(aba) -> rec2({a, {b, a}}); % breaks the contract
q(bab) -> rec2({b, {a, b}}); % breaks the contract
-q(abab) -> rec2({a, {b, {a, b}}});
-q(baba) -> rec2({b, {a, {b, a}}});
-q(ababa) -> rec2({a, {b, {a, {b, a}}}});
-q(babab) -> rec2({b, {a, {b, {a, b}}}}).
+q(abab) -> rec2({a, {b, {a, b}}}); % breaks the contract
+q(baba) -> rec2({b, {a, {b, a}}}); % breaks the contract
+q(ababa) -> rec2({a, {b, {a, {b, a}}}}); % breaks the contract
+q(babab) -> rec2({b, {a, {b, {a, b}}}}); % breaks the contract
+q(ababab) -> rec2({a, {b, {a, {b, {a, b}}}}});
+q(bababa) -> rec2({b, {a, {b, {a, {b, a}}}}});
+q(abababa) -> rec2({a, {b, {a, {b, {a, {b, a}}}}}});
+q(bababab) -> rec2({b, {a, {b, {a, {b, {a, b}}}}}}).
%===============================================================================
diff --git a/lib/hipe/cerl/erl_types.erl b/lib/hipe/cerl/erl_types.erl
index 5124e7238a..a6ee5428be 100644
--- a/lib/hipe/cerl/erl_types.erl
+++ b/lib/hipe/cerl/erl_types.erl
@@ -2,7 +2,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2003-2014. All Rights Reserved.
+%% Copyright Ericsson AB 2003-2015. All Rights Reserved.
%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
@@ -78,10 +78,11 @@
t_non_neg_fixnum/0,
t_pos_fixnum/0,
t_float/0,
+ t_var_names/1,
t_form_to_string/1,
- t_from_form/1,
- t_from_form/2,
- t_from_form/3,
+ t_from_form/4,
+ t_from_form/5,
+ t_from_form_without_remote/2,
t_from_range/2,
t_from_range_unsafe/2,
t_from_term/1,
@@ -181,7 +182,6 @@
t_remote/3,
t_string/0,
t_struct_from_opaque/2,
- t_solve_remote/3,
t_subst/2,
t_subtract/2,
t_subtract_list/2,
@@ -248,6 +248,7 @@
%%
-define(REC_TYPE_LIMIT, 2).
+%-define(REC_TYPE_LIMIT, 1).
-define(TUPLE_TAG_LIMIT, 5).
-define(TUPLE_ARITY_LIMIT, 8).
@@ -366,7 +367,7 @@
-type record_key() :: {'record', atom()}.
-type type_key() :: {'type' | 'opaque', atom(), arity()}.
--type record_value() :: orddict:orddict(). % XXX. To be refined
+-type record_value() :: [{atom(), erl_parse:abstract_expr(), erl_type()}].
-type type_value() :: {module(), erl_type(), atom()}.
-type type_table() :: dict:dict(record_key(), record_value())
| dict:dict(type_key(), type_value()).
@@ -808,134 +809,6 @@ is_remote(_) -> false.
-type mod_records() :: dict:dict(module(), type_table()).
--spec t_solve_remote(erl_type(), sets:set(mfa()), mod_records()) -> erl_type().
-
-t_solve_remote(Type, ExpTypes, Records) ->
- {RT, _RR} = t_solve_remote(Type, ExpTypes, Records, []),
- RT.
-
-t_solve_remote(?function(Domain, Range), ET, R, C) ->
- {RT1, RR1} = t_solve_remote(Domain, ET, R, C),
- {RT2, RR2} = t_solve_remote(Range, ET, R, C),
- {?function(RT1, RT2), RR1 ++ RR2};
-t_solve_remote(?list(Types, Term, Size), ET, R, C) ->
- {RT1, RR1} = t_solve_remote(Types, ET, R, C),
- {RT2, RR2} = t_solve_remote(Term, ET, R, C),
- {?list(RT1, RT2, Size), RR1 ++ RR2};
-t_solve_remote(?product(Types), ET, R, C) ->
- {RL, RR} = list_solve_remote(Types, ET, R, C),
- {?product(RL), RR};
-t_solve_remote(?opaque(Set), ET, R, C) ->
- List = ordsets:to_list(Set),
- {NewList, RR} = opaques_solve_remote(List, ET, R, C),
- {?opaque(ordsets:from_list(NewList)), RR};
-t_solve_remote(?tuple(?any, _, _) = T, _ET, _R, _C) -> {T, []};
-t_solve_remote(?tuple(Types, _Arity, _Tag), ET, R, C) ->
- {RL, RR} = list_solve_remote(Types, ET, R, C),
- {t_tuple(RL), RR};
-t_solve_remote(?tuple_set(Set), ET, R, C) ->
- {NewTuples, RR} = tuples_solve_remote(Set, ET, R, C),
- {t_sup(NewTuples), RR};
-t_solve_remote(?remote(Set), ET, R, C) ->
- RemoteList = ordsets:to_list(Set),
- {RL, RR} = list_solve_remote_type(RemoteList, ET, R, C),
- {t_sup(RL), RR};
-t_solve_remote(?union(List), ET, R, C) ->
- {RL, RR} = list_solve_remote(List, ET, R, C),
- {t_sup(RL), RR};
-t_solve_remote(T, _ET, _R, _C) -> {T, []}.
-
-t_solve_remote_type(#remote{mod = RemMod, name = Name, args = Args0} = RemType,
- ET, R, C) ->
- Args = lists:map(fun(A) ->
- {Arg, _} = t_solve_remote(A, ET, R, C),
- Arg
- end, Args0),
- ArgsLen = length(Args),
- case dict:find(RemMod, R) of
- error ->
- self() ! {self(), ext_types, {RemMod, Name, ArgsLen}},
- {t_any(), []};
- {ok, RemDict} ->
- MFA = {RemMod, Name, ArgsLen},
- case sets:is_element(MFA, ET) of
- true ->
- case lookup_type(Name, ArgsLen, RemDict) of
- {type, {_Mod, Type, ArgNames}} ->
- {NewType, NewCycle, NewRR} =
- case can_unfold_more(RemType, C) of
- true ->
- List = lists:zip(ArgNames, Args),
- TmpVarDict = dict:from_list(List),
- {t_from_form(Type, RemDict, TmpVarDict), [RemType|C], []};
- false ->
- {t_any(), C, [RemType]}
- end,
- {RT, RR} = t_solve_remote(NewType, ET, R, NewCycle),
- RetRR = NewRR ++ RR,
- RT1 =
- case lists:member(RemType, RetRR) of
- true -> t_limit(RT, ?REC_TYPE_LIMIT);
- false -> RT
- end,
- {RT1, RetRR};
- {opaque, {Mod, Type, ArgNames}} ->
- List = lists:zip(ArgNames, Args),
- TmpVarDict = dict:from_list(List),
- {Rep, NewCycle, NewRR} =
- case can_unfold_more(RemType, C) of
- true ->
- {t_from_form(Type, RemDict, TmpVarDict), [RemType|C], []};
- false ->
- {t_any(), C, [RemType]}
- end,
- {NewRep, RR} = t_solve_remote(Rep, ET, R, NewCycle),
- RetRR = NewRR ++ RR,
- RT1 =
- case lists:member(RemType, RetRR) of
- true -> t_limit(NewRep, ?REC_TYPE_LIMIT);
- false -> NewRep
- end,
- {skip_opaque_alias(RT1, Mod, Name, Args), RetRR};
- error ->
- Msg = io_lib:format("Unable to find remote type ~w:~w()\n",
- [RemMod, Name]),
- throw({error, Msg})
- end;
- false ->
- self() ! {self(), ext_types, {RemMod, Name, ArgsLen}},
- {t_any(), []}
- end
- end.
-
-list_solve_remote([], _ET, _R, _C) ->
- {[], []};
-list_solve_remote([Type|Types], ET, R, C) ->
- {RT, RR1} = t_solve_remote(Type, ET, R, C),
- {RL, RR2} = list_solve_remote(Types, ET, R, C),
- {[RT|RL], RR1 ++ RR2}.
-
-list_solve_remote_type([], _ET, _R, _C) ->
- {[], []};
-list_solve_remote_type([Type|Types], ET, R, C) ->
- {RT, RR1} = t_solve_remote_type(Type, ET, R, C),
- {RL, RR2} = list_solve_remote_type(Types, ET, R, C),
- {[RT|RL], RR1 ++ RR2}.
-
-opaques_solve_remote([], _ET, _R, _C) ->
- {[], []};
-opaques_solve_remote([#opaque{struct = Struct} = Remote|Tail], ET, R, C) ->
- {RT, RR1} = t_solve_remote(Struct, ET, R, C),
- {LOp, RR2} = opaques_solve_remote(Tail, ET, R, C),
- {[Remote#opaque{struct = RT}|LOp], RR1 ++ RR2}.
-
-tuples_solve_remote([], _ET, _R, _C) ->
- {[], []};
-tuples_solve_remote([{_Sz, Tuples}|Tail], ET, R, C) ->
- {RL, RR1} = list_solve_remote(Tuples, ET, R, C),
- {LSzTpls, RR2} = tuples_solve_remote(Tail, ET, R, C),
- {RL ++ LSzTpls, RR1 ++ RR2}.
-
%%-----------------------------------------------------------------------------
%% Unit type. Signals non termination.
%%
@@ -2264,6 +2137,22 @@ expand_range_from_set(Range = ?int_range(From, To), Set) ->
-spec t_sup([erl_type()]) -> erl_type().
+t_sup([]) -> ?none;
+t_sup(Ts) ->
+ case lists:any(fun is_any/1, Ts) of
+ true -> ?any;
+ false ->
+ R = t_sup1(Ts, []),
+ R
+ end.
+
+t_sup1([H1, H2|T], L) ->
+ t_sup1(T, [t_sup(H1, H2)|L]);
+t_sup1([T], []) -> subst_all_vars_to_any(T);
+t_sup1(Ts, L) ->
+ t_sup1(Ts++L, []).
+
+-ifdef(old).
t_sup([?any|_]) ->
?any;
t_sup([H1, H2|T]) ->
@@ -2272,6 +2161,7 @@ t_sup([H]) ->
subst_all_vars_to_any(H);
t_sup([]) ->
?none.
+-endif.
-spec t_sup(erl_type(), erl_type()) -> erl_type().
@@ -3089,12 +2979,12 @@ t_subst_aux(T, _VarMap) ->
subst_all_remote(Type0, Substitute) ->
Map =
fun(Type) ->
- case erl_types:t_is_remote(Type) of
+ case t_is_remote(Type) of
true -> Substitute;
false -> Type
end
end,
- erl_types:t_map(Map, Type0).
+ t_map(Map, Type0).
%%-----------------------------------------------------------------------------
%% Unification
@@ -3776,7 +3666,7 @@ t_abstract_records(?tuple(Elements, Arity, ?atom(_) = Tag), RecDict) ->
[TagAtom] = atom_vals(Tag),
case lookup_record(TagAtom, Arity - 1, RecDict) of
error -> t_tuple([t_abstract_records(E, RecDict) || E <- Elements]);
- {ok, Fields} -> t_tuple([Tag|[T || {_Name, T} <- Fields]])
+ {ok, Fields} -> t_tuple([Tag|[T || {_Name, _Abstr, T} <- Fields]])
end;
t_abstract_records(?tuple(Elements, _Arity, _Tag), RecDict) ->
t_tuple([t_abstract_records(E, RecDict) || E <- Elements]);
@@ -3997,7 +3887,8 @@ record_to_string(Tag, [_|Fields], FieldNames, RecDict) ->
FieldStrings = record_fields_to_string(Fields, FieldNames, RecDict, []),
"#" ++ atom_to_string(Tag) ++ "{" ++ string:join(FieldStrings, ",") ++ "}".
-record_fields_to_string([F|Fs], [{FName, _DefType}|FDefs], RecDict, Acc) ->
+record_fields_to_string([F|Fs], [{FName, _Abstr, _DefType}|FDefs],
+ RecDict, Acc) ->
NewAcc =
case t_is_equal(F, t_any()) orelse t_is_any_atom('undefined', F) of
true -> Acc;
@@ -4023,7 +3914,7 @@ record_field_diffs_to_string(?tuple([_|Fs], Arity, Tag), RecDict) ->
FieldDiffs = field_diffs(Fs, FieldNames, RecDict, []),
string:join(FieldDiffs, " and ").
-field_diffs([F|Fs], [{FName, DefType}|FDefs], RecDict, Acc) ->
+field_diffs([F|Fs], [{FName, _Abstr, DefType}|FDefs], RecDict, Acc) ->
%% Don't care about opaqueness for now.
NewAcc =
case not t_is_none(t_inf(F, DefType)) of
@@ -4071,357 +3962,397 @@ mod_name(Mod, Name) ->
%%
%%=============================================================================
--spec t_from_form(parse_form()) -> erl_type().
+-type type_names() :: [type_key() | record_key()].
-t_from_form(Form) ->
- t_from_form(Form, dict:new()).
+-spec t_from_form(parse_form(), sets:set(mfa()),
+ module(), mod_records()) -> erl_type().
--spec t_from_form(parse_form(), type_table()) -> erl_type().
+t_from_form(Form, ExpTypes, Module, RecDict) ->
+ t_from_form(Form, ExpTypes, Module, RecDict, dict:new()).
-t_from_form(Form, RecDict) ->
- t_from_form(Form, RecDict, dict:new()).
+-spec t_from_form(parse_form(), sets:set(mfa()),
+ module(), mod_records(), var_table()) -> erl_type().
--spec t_from_form(parse_form(), type_table(), var_table()) -> erl_type().
+t_from_form(Form, ExpTypes, Module, RecDict, VarDict) ->
+ t_from_form(Form, [], ExpTypes, Module, RecDict, VarDict).
-t_from_form(Form, RecDict, VarDict) ->
- {T, _R} = t_from_form(Form, [], RecDict, VarDict),
- T.
+%% All uses of external types are replaced by none().
+-spec t_from_form_without_remote(parse_form(), type_table()) -> erl_type().
--type type_names() :: [type_key() | record_key()].
+t_from_form_without_remote(Form, TypeTable) ->
+ Module = mod,
+ RecDict = dict:from_list([{Module, TypeTable}]),
+ ExpTypes = replace_by_none,
+ t_from_form(Form, [], ExpTypes, Module, RecDict, dict:new()).
--spec t_from_form(parse_form(), type_names(), type_table(), var_table()) ->
- {erl_type(), type_names()}.
+-spec t_from_form(parse_form(), type_names(),
+ sets:set(mfa()) | 'replace_by_none',
+ module(), mod_records(), var_table()) -> erl_type().
-t_from_form({var, _L, '_'}, _TypeNames, _RecDict, _VarDict) ->
- {t_any(), []};
-t_from_form({var, _L, Name}, _TypeNames, _RecDict, VarDict) ->
- case dict:find(Name, VarDict) of
- error -> {t_var(Name), []};
- {ok, Val} -> {Val, []}
+%% If there is something wrong with parse_form()
+%% throw({error, io_lib:chars()} is called;
+%% for unknown remote types
+%% self() ! {self(), ext_types, {RemMod, Name, ArgsLen}}
+%% is called, unless 'replace_by_none' is given.
+%%
+%% It is assumed that M can be found in MR
+
+t_from_form({var, _L, '_'}, _TypeNames, _ET, _M, _MR, _V) ->
+ t_any();
+t_from_form({var, _L, Name}, _TypeNames, _ET, _M, _MR, V) ->
+ case dict:find(Name, V) of
+ error -> t_var(Name);
+ {ok, Val} -> Val
end;
-t_from_form({ann_type, _L, [_Var, Type]}, TypeNames, RecDict, VarDict) ->
- t_from_form(Type, TypeNames, RecDict, VarDict);
-t_from_form({paren_type, _L, [Type]}, TypeNames, RecDict, VarDict) ->
- t_from_form(Type, TypeNames, RecDict, VarDict);
+t_from_form({ann_type, _L, [_Var, Type]}, TypeNames, ET, M, MR, V) ->
+ t_from_form(Type, TypeNames, ET, M, MR, V);
+t_from_form({paren_type, _L, [Type]}, TypeNames, ET, M, MR, V) ->
+ t_from_form(Type, TypeNames, ET, M, MR, V);
t_from_form({remote_type, _L, [{atom, _, Module}, {atom, _, Type}, Args]},
- TypeNames, RecDict, VarDict) ->
- {L, R} = list_from_form(Args, TypeNames, RecDict, VarDict),
- {t_remote(Module, Type, L), R};
-t_from_form({atom, _L, Atom}, _TypeNames, _RecDict, _VarDict) ->
- {t_atom(Atom), []};
-t_from_form({integer, _L, Int}, _TypeNames, _RecDict, _VarDict) ->
- {t_integer(Int), []};
-t_from_form({op, _L, _Op, _Arg} = Op, _TypeNames, _RecDict, _VarDict) ->
+ TypeNames, ET, M, MR, V) ->
+ solve_remote_type(Module, Type, Args, TypeNames, ET, M, MR, V);
+t_from_form({atom, _L, Atom}, _TypeNames, _ET, _M, _MR, _V) ->
+ t_atom(Atom);
+t_from_form({integer, _L, Int}, _TypeNames, _ET, _M, _MR, _V) ->
+ t_integer(Int);
+t_from_form({op, _L, _Op, _Arg} = Op, _TypeNames, _ET, _M, _MR, _V) ->
case erl_eval:partial_eval(Op) of
{integer, _, Val} ->
- {t_integer(Val), []};
+ t_integer(Val);
_ -> throw({error, io_lib:format("Unable to evaluate type ~w\n", [Op])})
end;
t_from_form({op, _L, _Op, _Arg1, _Arg2} = Op, _TypeNames,
- _RecDict, _VarDict) ->
+ _ET, _M, _MR, _V) ->
case erl_eval:partial_eval(Op) of
{integer, _, Val} ->
- {t_integer(Val), []};
+ t_integer(Val);
_ -> throw({error, io_lib:format("Unable to evaluate type ~w\n", [Op])})
end;
-t_from_form({type, _L, any, []}, _TypeNames, _RecDict, _VarDict) ->
- {t_any(), []};
-t_from_form({type, _L, arity, []}, _TypeNames, _RecDict, _VarDict) ->
- {t_arity(), []};
-t_from_form({type, _L, atom, []}, _TypeNames, _RecDict, _VarDict) ->
- {t_atom(), []};
-t_from_form({type, _L, binary, []}, _TypeNames, _RecDict, _VarDict) ->
- {t_binary(), []};
+t_from_form({type, _L, any, []}, _TypeNames, _ET, _M, _MR, _V) ->
+ t_any();
+t_from_form({type, _L, arity, []}, _TypeNames, _ET, _M, _MR, _V) ->
+ t_arity();
+t_from_form({type, _L, atom, []}, _TypeNames, _ET, _M, _MR, _V) ->
+ t_atom();
+t_from_form({type, _L, binary, []}, _TypeNames, _ET, _M, _MR, _V) ->
+ t_binary();
t_from_form({type, _L, binary, [Base, Unit]} = Type,
- _TypeNames, _RecDict, _VarDict) ->
+ _TypeNames, _ET, _M, _MR, _V) ->
case {erl_eval:partial_eval(Base), erl_eval:partial_eval(Unit)} of
{{integer, _, B}, {integer, _, U}} when B >= 0, U >= 0 ->
- {t_bitstr(U, B), []};
+ t_bitstr(U, B);
_ -> throw({error, io_lib:format("Unable to evaluate type ~w\n", [Type])})
end;
-t_from_form({type, _L, bitstring, []}, _TypeNames, _RecDict, _VarDict) ->
- {t_bitstr(), []};
-t_from_form({type, _L, bool, []}, _TypeNames, _RecDict, _VarDict) ->
- {t_boolean(), []}; % XXX: Temporarily
-t_from_form({type, _L, boolean, []}, _TypeNames, _RecDict, _VarDict) ->
- {t_boolean(), []};
-t_from_form({type, _L, byte, []}, _TypeNames, _RecDict, _VarDict) ->
- {t_byte(), []};
-t_from_form({type, _L, char, []}, _TypeNames, _RecDict, _VarDict) ->
- {t_char(), []};
-t_from_form({type, _L, float, []}, _TypeNames, _RecDict, _VarDict) ->
- {t_float(), []};
-t_from_form({type, _L, function, []}, _TypeNames, _RecDict, _VarDict) ->
- {t_fun(), []};
-t_from_form({type, _L, 'fun', []}, _TypeNames, _RecDict, _VarDict) ->
- {t_fun(), []};
+t_from_form({type, _L, bitstring, []}, _TypeNames, _ET, _M, _MR, _V) ->
+ t_bitstr();
+t_from_form({type, _L, bool, []}, _TypeNames, _ET, _M, _MR, _V) ->
+ t_boolean(); % XXX: Temporarily
+t_from_form({type, _L, boolean, []}, _TypeNames, _ET, _M, _MR, _V) ->
+ t_boolean();
+t_from_form({type, _L, byte, []}, _TypeNames, _ET, _M, _MR, _V) ->
+ t_byte();
+t_from_form({type, _L, char, []}, _TypeNames, _ET, _M, _MR, _V) ->
+ t_char();
+t_from_form({type, _L, float, []}, _TypeNames, _ET, _M, _MR, _V) ->
+ t_float();
+t_from_form({type, _L, function, []}, _TypeNames, _ET, _M, _MR, _V) ->
+ t_fun();
+t_from_form({type, _L, 'fun', []}, _TypeNames, _ET, _M, _MR, _V) ->
+ t_fun();
t_from_form({type, _L, 'fun', [{type, _, any}, Range]}, TypeNames,
- RecDict, VarDict) ->
- {T, R} = t_from_form(Range, TypeNames, RecDict, VarDict),
- {t_fun(T), R};
+ ET, M, MR, V) ->
+ T = t_from_form(Range, TypeNames, ET, M, MR, V),
+ t_fun(T);
t_from_form({type, _L, 'fun', [{type, _, product, Domain}, Range]},
- TypeNames, RecDict, VarDict) ->
- {L, R1} = list_from_form(Domain, TypeNames, RecDict, VarDict),
- {T, R2} = t_from_form(Range, TypeNames, RecDict, VarDict),
- {t_fun(L, T), R1 ++ R2};
-t_from_form({type, _L, identifier, []}, _TypeNames, _RecDict, _VarDict) ->
- {t_identifier(), []};
-t_from_form({type, _L, integer, []}, _TypeNames, _RecDict, _VarDict) ->
- {t_integer(), []};
-t_from_form({type, _L, iodata, []}, _TypeNames, _RecDict, _VarDict) ->
- {t_iodata(), []};
-t_from_form({type, _L, iolist, []}, _TypeNames, _RecDict, _VarDict) ->
- {t_iolist(), []};
-t_from_form({type, _L, list, []}, _TypeNames, _RecDict, _VarDict) ->
- {t_list(), []};
-t_from_form({type, _L, list, [Type]}, TypeNames, RecDict, VarDict) ->
- {T, R} = t_from_form(Type, TypeNames, RecDict, VarDict),
- {t_list(T), R};
-t_from_form({type, _L, map, _}, TypeNames, RecDict, VarDict) ->
- builtin_type(map, t_map([]), TypeNames, RecDict, VarDict);
-t_from_form({type, _L, mfa, []}, _TypeNames, _RecDict, _VarDict) ->
- {t_mfa(), []};
-t_from_form({type, _L, module, []}, _TypeNames, _RecDict, _VarDict) ->
- {t_module(), []};
-t_from_form({type, _L, nil, []}, _TypeNames, _RecDict, _VarDict) ->
- {t_nil(), []};
-t_from_form({type, _L, neg_integer, []}, _TypeNames, _RecDict, _VarDict) ->
- {t_neg_integer(), []};
-t_from_form({type, _L, non_neg_integer, []}, _TypeNames, _RecDict,
- _VarDict) ->
- {t_non_neg_integer(), []};
-t_from_form({type, _L, no_return, []}, _TypeNames, _RecDict, _VarDict) ->
- {t_unit(), []};
-t_from_form({type, _L, node, []}, _TypeNames, _RecDict, _VarDict) ->
- {t_node(), []};
-t_from_form({type, _L, none, []}, _TypeNames, _RecDict, _VarDict) ->
- {t_none(), []};
-t_from_form({type, _L, nonempty_list, []}, _TypeNames, _RecDict, _VarDict) ->
- {t_nonempty_list(), []};
-t_from_form({type, _L, nonempty_list, [Type]}, TypeNames, RecDict, VarDict) ->
- {T, R} = t_from_form(Type, TypeNames, RecDict, VarDict),
- {t_nonempty_list(T), R};
+ TypeNames, ET, M, MR, V) ->
+ L = t_list_from_form(Domain, TypeNames, ET, M, MR, V),
+ T = t_from_form(Range, TypeNames, ET, M, MR, V),
+ t_fun(L, T);
+t_from_form({type, _L, identifier, []}, _TypeNames, _ET, _M, _MR, _V) ->
+ t_identifier();
+t_from_form({type, _L, integer, []}, _TypeNames, _ET, _M, _MR, _V) ->
+ t_integer();
+t_from_form({type, _L, iodata, []}, _TypeNames, _ET, _M, _MR, _V) ->
+ t_iodata();
+t_from_form({type, _L, iolist, []}, _TypeNames, _ET, _M, _MR, _V) ->
+ t_iolist();
+t_from_form({type, _L, list, []}, _TypeNames, _ET, _M, _MR, _V) ->
+ t_list();
+t_from_form({type, _L, list, [Type]}, TypeNames, ET, M, MR, V) ->
+ T = t_from_form(Type, TypeNames, ET, M, MR, V),
+ t_list(T);
+t_from_form({type, _L, map, _}, TypeNames, ET, M, MR, V) ->
+ builtin_type(map, t_map([]), TypeNames, ET, M, MR, V);
+t_from_form({type, _L, mfa, []}, _TypeNames, _ET, _M, _MR, _V) ->
+ t_mfa();
+t_from_form({type, _L, module, []}, _TypeNames, _ET, _M, _MR, _V) ->
+ t_module();
+t_from_form({type, _L, nil, []}, _TypeNames, _ET, _M, _MR, _V) ->
+ t_nil();
+t_from_form({type, _L, neg_integer, []}, _TypeNames, _ET, _M, _MR, _V) ->
+ t_neg_integer();
+t_from_form({type, _L, non_neg_integer, []}, _TypeNames, _ET, _M, _MR,
+ _V) ->
+ t_non_neg_integer();
+t_from_form({type, _L, no_return, []}, _TypeNames, _ET, _M, _MR, _V) ->
+ t_unit();
+t_from_form({type, _L, node, []}, _TypeNames, _ET, _M, _MR, _V) ->
+ t_node();
+t_from_form({type, _L, none, []}, _TypeNames, _ET, _M, _MR, _V) ->
+ t_none();
+t_from_form({type, _L, nonempty_list, []}, _TypeNames, _ET, _M, _MR, _V) ->
+ t_nonempty_list();
+t_from_form({type, _L, nonempty_list, [Type]}, TypeNames, ET, M, MR, V) ->
+ T = t_from_form(Type, TypeNames, ET, M, MR, V),
+ t_nonempty_list(T);
t_from_form({type, _L, nonempty_improper_list, [Cont, Term]}, TypeNames,
- RecDict, VarDict) ->
- {T1, R1} = t_from_form(Cont, TypeNames, RecDict, VarDict),
- {T2, R2} = t_from_form(Term, TypeNames, RecDict, VarDict),
- {t_cons(T1, T2), R1 ++ R2};
+ ET, M, MR, V) ->
+ T1 = t_from_form(Cont, TypeNames, ET, M, MR, V),
+ T2 = t_from_form(Term, TypeNames, ET, M, MR, V),
+ t_cons(T1, T2);
t_from_form({type, _L, nonempty_maybe_improper_list, []}, _TypeNames,
- _RecDict, _VarDict) ->
- {t_cons(?any, ?any), []};
+ _ET, _M, _MR, _V) ->
+ t_cons(?any, ?any);
t_from_form({type, _L, nonempty_maybe_improper_list, [Cont, Term]},
- TypeNames, RecDict, VarDict) ->
- {T1, R1} = t_from_form(Cont, TypeNames, RecDict, VarDict),
- {T2, R2} = t_from_form(Term, TypeNames, RecDict, VarDict),
- {t_cons(T1, T2), R1 ++ R2};
-t_from_form({type, _L, nonempty_string, []}, _TypeNames, _RecDict,
- _VarDict) ->
- {t_nonempty_string(), []};
-t_from_form({type, _L, number, []}, _TypeNames, _RecDict, _VarDict) ->
- {t_number(), []};
-t_from_form({type, _L, pid, []}, _TypeNames, _RecDict, _VarDict) ->
- {t_pid(), []};
-t_from_form({type, _L, port, []}, _TypeNames, _RecDict, _VarDict) ->
- {t_port(), []};
-t_from_form({type, _L, pos_integer, []}, _TypeNames, _RecDict, _VarDict) ->
- {t_pos_integer(), []};
+ TypeNames, ET, M, MR, V) ->
+ T1 = t_from_form(Cont, TypeNames, ET, M, MR, V),
+ T2 = t_from_form(Term, TypeNames, ET, M, MR, V),
+ t_cons(T1, T2);
+t_from_form({type, _L, nonempty_string, []}, _TypeNames, _ET, _M, _MR, _V) ->
+ t_nonempty_string();
+t_from_form({type, _L, number, []}, _TypeNames, _ET, _M, _MR, _V) ->
+ t_number();
+t_from_form({type, _L, pid, []}, _TypeNames, _ET, _M, _MR, _V) ->
+ t_pid();
+t_from_form({type, _L, port, []}, _TypeNames, _ET, _M, _MR, _V) ->
+ t_port();
+t_from_form({type, _L, pos_integer, []}, _TypeNames, _ET, _M, _MR, _V) ->
+ t_pos_integer();
t_from_form({type, _L, maybe_improper_list, []}, _TypeNames,
- _RecDict, _VarDict) ->
- {t_maybe_improper_list(), []};
+ _ET, _M, _MR, _V) ->
+ t_maybe_improper_list();
t_from_form({type, _L, maybe_improper_list, [Content, Termination]},
- TypeNames, RecDict, VarDict) ->
- {T1, R1} = t_from_form(Content, TypeNames, RecDict, VarDict),
- {T2, R2} = t_from_form(Termination, TypeNames, RecDict, VarDict),
- {t_maybe_improper_list(T1, T2), R1 ++ R2};
-t_from_form({type, _L, product, Elements}, TypeNames, RecDict, VarDict) ->
- {L, R} = list_from_form(Elements, TypeNames, RecDict, VarDict),
- {t_product(L), R};
+ TypeNames, ET, M, MR, V) ->
+ T1 = t_from_form(Content, TypeNames, ET, M, MR, V),
+ T2 = t_from_form(Termination, TypeNames, ET, M, MR, V),
+ t_maybe_improper_list(T1, T2);
+t_from_form({type, _L, product, Elements}, TypeNames, ET, M, MR, V) ->
+ L = t_list_from_form(Elements, TypeNames, ET, M, MR, V),
+ t_product(L);
t_from_form({type, _L, range, [From, To]} = Type,
- _TypeNames, _RecDict, _VarDict) ->
+ _TypeNames, _ET, _M, _MR, _V) ->
case {erl_eval:partial_eval(From), erl_eval:partial_eval(To)} of
{{integer, _, FromVal}, {integer, _, ToVal}} ->
- {t_from_range(FromVal, ToVal), []};
+ t_from_range(FromVal, ToVal);
_ -> throw({error, io_lib:format("Unable to evaluate type ~w\n", [Type])})
end;
-t_from_form({type, _L, record, [Name|Fields]}, TypeNames, RecDict, VarDict) ->
- record_from_form(Name, Fields, TypeNames, RecDict, VarDict);
-t_from_form({type, _L, reference, []}, _TypeNames, _RecDict, _VarDict) ->
- {t_reference(), []};
-t_from_form({type, _L, string, []}, _TypeNames, _RecDict, _VarDict) ->
- {t_string(), []};
-t_from_form({type, _L, term, []}, _TypeNames, _RecDict, _VarDict) ->
- {t_any(), []};
-t_from_form({type, _L, timeout, []}, _TypeNames, _RecDict, _VarDict) ->
- {t_timeout(), []};
-t_from_form({type, _L, tuple, any}, _TypeNames, _RecDict, _VarDict) ->
- {t_tuple(), []};
-t_from_form({type, _L, tuple, Args}, TypeNames, RecDict, VarDict) ->
- {L, R} = list_from_form(Args, TypeNames, RecDict, VarDict),
- {t_tuple(L), R};
-t_from_form({type, _L, union, Args}, TypeNames, RecDict, VarDict) ->
- {L, R} = list_from_form(Args, TypeNames, RecDict, VarDict),
- {t_sup(L), R};
-t_from_form({user_type, _L, Name, Args}, TypeNames, RecDict, VarDict) ->
- type_from_form(Name, Args, TypeNames, RecDict, VarDict);
-t_from_form({type, _L, Name, Args}, TypeNames, RecDict, VarDict) ->
+t_from_form({type, _L, record, [Name|Fields]}, TypeNames, ET, M, MR, V) ->
+ record_from_form(Name, Fields, TypeNames, ET, M, MR, V);
+t_from_form({type, _L, reference, []}, _TypeNames, _ET, _M, _MR, _V) ->
+ t_reference();
+t_from_form({type, _L, string, []}, _TypeNames, _ET, _M, _MR, _V) ->
+ t_string();
+t_from_form({type, _L, term, []}, _TypeNames, _ET, _M, _MR, _V) ->
+ t_any();
+t_from_form({type, _L, timeout, []}, _TypeNames, _ET, _M, _MR, _V) ->
+ t_timeout();
+t_from_form({type, _L, tuple, any}, _TypeNames, _ET, _M, _MR, _V) ->
+ t_tuple();
+t_from_form({type, _L, tuple, Args}, TypeNames, ET, M, MR, V) ->
+ L = t_list_from_form(Args, TypeNames, ET, M, MR, V),
+ t_tuple(L);
+t_from_form({type, _L, union, Args}, TypeNames, ET, M, MR, V) ->
+ L = t_list_from_form(Args, TypeNames, ET, M, MR, V),
+ t_sup(L);
+t_from_form({user_type, _L, Name, Args}, TypeNames, ET, M, MR, V) ->
+ type_from_form(Name, Args, TypeNames, ET, M, MR, V);
+t_from_form({type, _L, Name, Args}, TypeNames, ET, M, MR, V) ->
%% Compatibility: modules compiled before Erlang/OTP 18.0.
- type_from_form(Name, Args, TypeNames, RecDict, VarDict);
+ type_from_form(Name, Args, TypeNames, ET, M, MR, V);
t_from_form({opaque, _L, Name, {Mod, Args, Rep}}, _TypeNames,
- _RecDict, _VarDict) ->
- {t_opaque(Mod, Name, Args, Rep), []}.
-
-builtin_type(Name, Type, TypeNames, RecDict, VarDict) ->
- case lookup_type(Name, 0, RecDict) of
- {_, {_M, _T, _A}} ->
- type_from_form(Name, [], TypeNames, RecDict, VarDict);
+ _ET, _M, _MR, _V) ->
+ %% XXX. To be removed.
+ t_opaque(Mod, Name, Args, Rep).
+
+builtin_type(Name, Type, TypeNames, ET, M, MR, V) ->
+ case dict:find(M, MR) of
+ {ok, R} ->
+ case lookup_type(Name, 0, R) of
+ {_, {_M, _T, _A}} ->
+ type_from_form(Name, [], TypeNames, ET, M, MR, V);
+ error ->
+ Type
+ end;
error ->
- {Type, []}
+ Type
end.
-type_from_form(Name, Args, TypeNames, RecDict, VarDict) ->
+type_from_form(Name, Args, TypeNames, ET, M, MR, V) ->
ArgsLen = length(Args),
- ArgTypes = forms_to_types(Args, TypeNames, RecDict, VarDict),
- case lookup_type(Name, ArgsLen, RecDict) of
- {type, {_Module, Type, ArgNames}} ->
- TypeName = {type, Name, ArgsLen},
+ ArgTypes = forms_to_types(Args, TypeNames, ET, M, MR, V),
+ {ok, R} = dict:find(M, MR),
+ case lookup_type(Name, ArgsLen, R) of
+ {type, {Module, Type, ArgNames}} ->
+ TypeName = {type, Module, Name, ArgsLen},
case can_unfold_more(TypeName, TypeNames) of
true ->
List = lists:zip(ArgNames, ArgTypes),
- TmpVarDict = dict:from_list(List),
- {T, R} = t_from_form(Type, [TypeName|TypeNames],
- RecDict, TmpVarDict),
- case lists:member(TypeName, R) of
- true -> {t_limit(T, ?REC_TYPE_LIMIT), R};
- false -> {T, R}
- end;
- false -> {t_any(), [TypeName]}
+ TmpV = dict:from_list(List),
+ t_from_form(Type, [TypeName|TypeNames], ET, M, MR, TmpV);
+ false ->
+ t_any()
end;
{opaque, {Module, Type, ArgNames}} ->
- TypeName = {opaque, Name, ArgsLen},
- {Rep, Rret} =
+ TypeName = {opaque, Module, Name, ArgsLen}, % 'type' would do...
+ Rep =
case can_unfold_more(TypeName, TypeNames) of
true ->
List = lists:zip(ArgNames, ArgTypes),
- TmpVarDict = dict:from_list(List),
- {T, R} = t_from_form(Type, [TypeName|TypeNames],
- RecDict, TmpVarDict),
- case lists:member(TypeName, R) of
- true -> {t_limit(T, ?REC_TYPE_LIMIT), R};
- false -> {T, R}
- end;
- false -> {t_any(), [TypeName]}
+ TmpV = dict:from_list(List),
+ t_from_form(Type, [TypeName|TypeNames], ET, M, MR, TmpV);
+ false -> t_any()
end,
Args2 = [subst_all_vars_to_any(ArgType) || ArgType <- ArgTypes],
- {skip_opaque_alias(Rep, Module, Name, Args2), Rret};
+ skip_opaque_alias(Rep, Module, Name, Args2);
error ->
Msg = io_lib:format("Unable to find type ~w/~w\n", [Name, ArgsLen]),
throw({error, Msg})
end.
-forms_to_types(Forms, TypeNames, RecDict, VarDict) ->
- {Types, _} = list_from_form(Forms, TypeNames, RecDict, VarDict),
- Types.
+forms_to_types(Forms, TypeNames, ET, M, MR, V) ->
+ t_list_from_form(Forms, TypeNames, ET, M, MR, V).
skip_opaque_alias(?opaque(_) = T, _Mod, _Name, _Args) -> T;
skip_opaque_alias(T, Module, Name, Args) ->
t_opaque(Module, Name, Args, T).
-record_from_form({atom, _, Name}, ModFields, TypeNames, RecDict, VarDict) ->
+solve_remote_type(RemMod, Name, Args, TypeNames, ET, M, MR, V) ->
+ ArgTypes = t_list_from_form(Args, TypeNames, ET, M, MR, V),
+ ArgsLen = length(Args),
+ RemType = {type, RemMod, Name, ArgsLen},
+ case dict:find(RemMod, MR) of
+ error when ET =:= replace_by_none ->
+ t_none();
+ error ->
+ self() ! {self(), ext_types, {RemMod, Name, ArgsLen}},
+ t_any();
+ {ok, RemDict} ->
+ MFA = {RemMod, Name, ArgsLen},
+ case sets:is_element(MFA, ET) of
+ true ->
+ case lookup_type(Name, ArgsLen, RemDict) of
+ {type, {_Mod, Type, ArgNames}} ->
+ case can_unfold_more(RemType, TypeNames) of
+ true ->
+ List = lists:zip(ArgNames, ArgTypes),
+ TmpVarDict = dict:from_list(List),
+ NewTypeNames = [RemType|TypeNames],
+ t_from_form(Type, NewTypeNames, ET,
+ RemMod, MR, TmpVarDict);
+ false ->
+ t_any()
+ end;
+ {opaque, {Mod, Type, ArgNames}} ->
+ List = lists:zip(ArgNames, ArgTypes),
+ TmpVarDict = dict:from_list(List),
+ NewRep =
+ case can_unfold_more(RemType, TypeNames) of
+ true ->
+ NewTypeNames = [RemType|TypeNames],
+ t_from_form(Type, NewTypeNames, ET,
+ RemMod, MR, TmpVarDict);
+ false ->
+ t_any()
+ end,
+ skip_opaque_alias(NewRep, Mod, Name, ArgTypes);
+ error ->
+ Msg = io_lib:format("Unable to find remote type ~w:~w()\n",
+ [RemMod, Name]),
+ throw({error, Msg})
+ end;
+ false when ET =:= replace_by_none ->
+ t_none();
+ false ->
+ self() ! {self(), ext_types, {RemMod, Name, ArgsLen}},
+ t_any()
+ end
+ end.
+
+record_from_form({atom, _, Name}, ModFields, TypeNames, ET, M, MR, V) ->
case can_unfold_more({record, Name}, TypeNames) of
true ->
- case lookup_record(Name, RecDict) of
+ {ok, R} = dict:find(M, MR),
+ case lookup_record(Name, R) of
{ok, DeclFields} ->
- TypeNames1 = [{record, Name}|TypeNames],
- AreTyped = [is_erl_type(FieldType)
- || {_FieldName, FieldType} <- DeclFields],
- {DeclFields1, R1} =
- case lists:all(fun(Elem) -> Elem end, AreTyped) of
- true -> {DeclFields, []};
- false -> fields_from_form(DeclFields, TypeNames1,
- RecDict, dict:new())
- end,
- {GetModRec, R2} = get_mod_record(ModFields, DeclFields1,
- TypeNames1,
- RecDict, VarDict),
+ NewTypeNames = [{record, Name}|TypeNames],
+ GetModRec = get_mod_record(ModFields, DeclFields,
+ NewTypeNames, ET, M, MR, V),
case GetModRec of
{error, FieldName} ->
throw({error, io_lib:format("Illegal declaration of #~w{~w}\n",
[Name, FieldName])});
{ok, NewFields} ->
- {t_tuple(
- [t_atom(Name)|[Type || {_FieldName, Type} <- NewFields]]),
- R1 ++ R2}
+ NewFields1 =
+ fields_from_form(NewFields, NewTypeNames, ET, M, MR,
+ dict:new()),
+ t_tuple(
+ [t_atom(Name)|[Type
+ || {_FieldName, Type} <- NewFields1]])
end;
error ->
throw({error, io_lib:format("Unknown record #~w{}\n", [Name])})
end;
- false -> {t_any(), []}
+ false ->
+ t_any()
end.
-get_mod_record([], DeclFields, _TypeNames, _RecDict, _VarDict) ->
- {{ok, DeclFields}, []};
-get_mod_record(ModFields, DeclFields, TypeNames, RecDict, VarDict) ->
- DeclFieldsDict = orddict:from_list(DeclFields),
- {ModFieldsDict, R} = build_field_dict(ModFields, TypeNames,
- RecDict, VarDict),
- case get_mod_record(DeclFieldsDict, ModFieldsDict, []) of
- {error, _FieldName} = Error -> {Error, R};
- {ok, FinalOrdDict} ->
- {{ok, [{FieldName, orddict:fetch(FieldName, FinalOrdDict)}
- || {FieldName, _} <- DeclFields]},
- R}
+get_mod_record([], DeclFields, _TypeNames, _ET, _M, _MR, _V) ->
+ {ok, DeclFields};
+get_mod_record(ModFields, DeclFields, TypeNames, ET, M, MR, V) ->
+ DeclFieldsDict = lists:keysort(1, DeclFields),
+ ModFieldsDict = build_field_dict(ModFields, TypeNames, ET, M, MR, V),
+ case get_mod_record_types(DeclFieldsDict, ModFieldsDict, []) of
+ {error, _FieldName} = Error -> Error;
+ {ok, FinalKeyDict} ->
+ {ok, [lists:keyfind(FieldName, 1, FinalKeyDict)
+ || {FieldName, _, _} <- DeclFields]}
end.
-build_field_dict(FieldTypes, TypeNames, RecDict, VarDict) ->
- build_field_dict(FieldTypes, TypeNames, RecDict, VarDict, []).
-
-build_field_dict([{type, _, field_type, [{atom, _, Name}, Type]}|Left],
- TypeNames, RecDict, VarDict, Acc) ->
- {T, R1} = t_from_form(Type, TypeNames, RecDict, VarDict),
- NewAcc = [{Name, T}|Acc],
- {D, R2} = build_field_dict(Left, TypeNames, RecDict, VarDict, NewAcc),
- {D, R1 ++ R2};
-build_field_dict([], _TypeNames, _RecDict, _VarDict, Acc) ->
- {orddict:from_list(Acc), []}.
+build_field_dict(FieldTypes, TypeNames, ET, M, MR, V) ->
+ L = [{Name, Type, t_from_form(Type, TypeNames, ET, M, MR, V)}
+ || {type, _, field_type, [{atom, _, Name}, Type]} <- FieldTypes],
+ lists:keysort(1, L).
-get_mod_record([{FieldName, DeclType}|Left1],
- [{FieldName, ModType}|Left2], Acc) ->
+get_mod_record_types([{FieldName, _Abstr, DeclType}|Left1],
+ [{FieldName, TypeForm, ModType}|Left2], Acc) ->
ModTypeNoVars = subst_all_vars_to_any(ModType),
- case
- contains_remote(ModTypeNoVars)
- orelse contains_remote(DeclType)
- orelse t_is_subtype(ModTypeNoVars, DeclType)
- of
+ case t_is_subtype(ModTypeNoVars, DeclType) of
false -> {error, FieldName};
- true -> get_mod_record(Left1, Left2, [{FieldName, ModType}|Acc])
+ true -> get_mod_record_types(Left1, Left2,
+ [{FieldName, TypeForm, DeclType}|Acc])
end;
-get_mod_record([{FieldName1, _DeclType} = DT|Left1],
- [{FieldName2, _ModType}|_] = List2,
- Acc) when FieldName1 < FieldName2 ->
- get_mod_record(Left1, List2, [DT|Acc]);
-get_mod_record(DeclFields, [], Acc) ->
- {ok, orddict:from_list(Acc ++ DeclFields)};
-get_mod_record(_, [{FieldName2, _ModType}|_], _Acc) ->
+get_mod_record_types([{FieldName1, _Abstr, _DeclType} = DT|Left1],
+ [{FieldName2, _FormType, _ModType}|_] = List2,
+ Acc) when FieldName1 < FieldName2 ->
+ get_mod_record_types(Left1, List2, [DT|Acc]);
+get_mod_record_types(Left1, [], Acc) ->
+ {ok, lists:keysort(1, Left1++Acc)};
+get_mod_record_types(_, [{FieldName2, _FormType, _ModType}|_], _Acc) ->
{error, FieldName2}.
-contains_remote(Type) ->
- TypeNoRemote = subst_all_remote(Type, t_none()),
- not t_is_equal(Type, TypeNoRemote).
-
-fields_from_form([], _TypeNames, _RecDict, _VarDict) ->
- {[], []};
-fields_from_form([{Name, Type}|Tail], TypeNames, RecDict,
- VarDict) ->
- {T, R1} = t_from_form(Type, TypeNames, RecDict, VarDict),
- {F, R2} = fields_from_form(Tail, TypeNames, RecDict, VarDict),
- {[{Name, T}|F], R1 ++ R2}.
-
-list_from_form([], _TypeNames, _RecDict, _VarDict) ->
- {[], []};
-list_from_form([H|Tail], TypeNames, RecDict, VarDict) ->
- {T, R1} = t_from_form(H, TypeNames, RecDict, VarDict),
- {L, R2} = list_from_form(Tail, TypeNames, RecDict, VarDict),
- {[T|L], R1 ++ R2}.
+fields_from_form(Fields, TypeNames, ET, M, MR, V) ->
+ [{Name, t_from_form(Abstr, TypeNames, ET, M, MR, V)}
+ || {Name, Abstr, _Type} <- Fields].
+
+t_list_from_form(Forms, TypeNames, ET, M, MR, V) ->
+ [t_from_form(Form, TypeNames, ET, M, MR, V) || Form <- Forms].
+
+-spec t_var_names([erl_type()]) -> [atom()].
+
+t_var_names([{var, _, Name}|L]) when L =/= '_' ->
+ [Name|t_var_names(L)];
+t_var_names([]) ->
+ [].
-spec t_form_to_string(parse_form()) -> string().
@@ -4505,7 +4436,12 @@ t_form_to_string({type, _L, tuple, Args}) ->
t_form_to_string({type, _L, union, Args}) ->
string:join(t_form_to_string_list(Args), " | ");
t_form_to_string({type, _L, Name, []} = T) ->
- try t_to_string(t_from_form(T))
+ try
+ M = mod,
+ D0 = dict:new(),
+ MR = dict:from_list([{M, D0}]),
+ T1 = t_from_form(T, [], sets:new(), M, MR, D0),
+ t_to_string(T1)
catch throw:{error, _} -> atom_to_string(Name) ++ "()"
end;
t_form_to_string({user_type, _L, Name, List}) ->
@@ -4556,7 +4492,7 @@ is_erl_type(#c{}) -> true;
is_erl_type(_) -> false.
-spec lookup_record(atom(), type_table()) ->
- 'error' | {'ok', [{atom(), parse_form() | erl_type()}]}.
+ 'error' | {'ok', [{atom(), parse_form(), erl_type()}]}.
lookup_record(Tag, RecDict) when is_atom(Tag) ->
case dict:find({record, Tag}, RecDict) of
@@ -4571,7 +4507,7 @@ lookup_record(Tag, RecDict) when is_atom(Tag) ->
end.
-spec lookup_record(atom(), arity(), type_table()) ->
- 'error' | {'ok', [{atom(), erl_type()}]}.
+ 'error' | {'ok', [{atom(), parse_form(), erl_type()}]}.
lookup_record(Tag, Arity, RecDict) when is_atom(Tag) ->
case dict:find({record, Tag}, RecDict) of
--
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