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authorHans Bolinder <[email protected]>2014-05-13 08:33:01 +0200
committerHans Bolinder <[email protected]>2014-05-13 08:33:01 +0200
commit1b0b2627bc16d75da311e4dd797356ff6c7f922d (patch)
treea25eeb693b17e40d85efcd46c30f94eb6bf61200
parent614bca0f5832f06bcc181c58b78e3371d79ec40d (diff)
parentbe579cbae4a9ab54ae0e56a8e729211c8e1db18f (diff)
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Merge branch 'hb/hipe/field_with_remote/OTP-11918' into maint
* hb/hipe/field_with_remote/OTP-11918: hipe: fix a bug concerning typed record fields
-rw-r--r--lib/dialyzer/src/dialyzer_contracts.erl9
-rw-r--r--lib/dialyzer/test/small_SUITE_data/src/remote_field.erl11
-rw-r--r--lib/hipe/cerl/erl_types.erl19
3 files changed, 30 insertions, 9 deletions
diff --git a/lib/dialyzer/src/dialyzer_contracts.erl b/lib/dialyzer/src/dialyzer_contracts.erl
index 283031eb9a..1d2dfc7b2d 100644
--- a/lib/dialyzer/src/dialyzer_contracts.erl
+++ b/lib/dialyzer/src/dialyzer_contracts.erl
@@ -752,14 +752,7 @@ is_remote_types_related(Contract, CSig, Sig, RecDict) ->
t_from_forms_without_remote([{FType, []}], RecDict) ->
Type0 = erl_types:t_from_form(FType, RecDict),
- Map =
- fun(Type) ->
- case erl_types:t_is_remote(Type) of
- true -> erl_types:t_none();
- false -> Type
- end
- end,
- {ok, erl_types:t_map(Map, Type0)};
+ {ok, erl_types:subst_all_remote(Type0, erl_types:t_none())};
t_from_forms_without_remote([{_FType, _Constrs}], _RecDict) ->
%% 'When' constraints
unsupported;
diff --git a/lib/dialyzer/test/small_SUITE_data/src/remote_field.erl b/lib/dialyzer/test/small_SUITE_data/src/remote_field.erl
new file mode 100644
index 0000000000..c34fa1b9dd
--- /dev/null
+++ b/lib/dialyzer/test/small_SUITE_data/src/remote_field.erl
@@ -0,0 +1,11 @@
+-module(remote_field).
+
+-type f(T) :: {ssl:sslsocket(), T}.
+
+-record(r1, { f1 :: f(_) }).
+-type r1(T) :: #r1{ f1 :: fun((ssl:sslsocket(), T) -> any()) }.
+
+-record(state, {
+ r :: r1(T),
+ arg :: T
+ }).
diff --git a/lib/hipe/cerl/erl_types.erl b/lib/hipe/cerl/erl_types.erl
index 6065b79664..06c0d10296 100644
--- a/lib/hipe/cerl/erl_types.erl
+++ b/lib/hipe/cerl/erl_types.erl
@@ -209,6 +209,7 @@
type_is_defined/4,
record_field_diffs_to_string/2,
subst_all_vars_to_any/1,
+ subst_all_remote/2,
lift_list_to_pos_empty/1,
is_opaque_type/2,
is_erl_type/1,
@@ -3161,6 +3162,18 @@ t_subst_aux(?union(List), VarMap) ->
t_subst_aux(T, _VarMap) ->
T.
+-spec subst_all_remote(erl_type(), erl_type()) -> erl_type().
+
+subst_all_remote(Type0, Substitute) ->
+ Map =
+ fun(Type) ->
+ case erl_types:t_is_remote(Type) of
+ true -> Substitute;
+ false -> Type
+ end
+ end,
+ erl_types:t_map(Map, Type0).
+
%%-----------------------------------------------------------------------------
%% Unification
%%
@@ -4474,7 +4487,7 @@ get_mod_record([{FieldName, DeclType}|Left1],
[{FieldName, ModType}|Left2], Acc) ->
ModTypeNoVars = subst_all_vars_to_any(ModType),
case
- t_is_remote(ModTypeNoVars) orelse t_is_subtype(ModTypeNoVars, DeclType)
+ contains_remote(ModTypeNoVars) orelse t_is_subtype(ModTypeNoVars, DeclType)
of
false -> {error, FieldName};
true -> get_mod_record(Left1, Left2, [{FieldName, ModType}|Acc])
@@ -4488,6 +4501,10 @@ get_mod_record(DeclFields, [], Acc) ->
get_mod_record(_, [{FieldName2, _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,