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-rw-r--r--lib/dialyzer/src/dialyzer_contracts.erl80
1 files changed, 39 insertions, 41 deletions
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