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Fix TestObjCIvarDiscovery.py, #3247

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Sep 13, 2021
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16 changes: 13 additions & 3 deletions lldb/source/Core/ValueObjectChild.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -156,9 +156,19 @@ bool ValueObjectChild::UpdateValue() {
m_value.SetValueType(Value::ValueType::FileAddress);
} break;
case eAddressTypeLoad:
m_value.SetValueType(is_instance_ptr_base
? Value::ValueType::Scalar
: Value::ValueType::LoadAddress);
// BEGIN SWIFT MOD
// We need to detect when we cross TypeSystem boundaries,
// e.g. when we try to print Obj-C fields of a Swift object.
if (parent->GetCompilerType().GetTypeSystem()->SupportsLanguage(
lldb::eLanguageTypeSwift) &&
GetCompilerType().GetTypeSystem()->SupportsLanguage(
lldb::eLanguageTypeSwift))
m_value.SetValueType(is_instance_ptr_base
? Value::ValueType::Scalar
: Value::ValueType::LoadAddress);
else
m_value.SetValueType(Value::ValueType::LoadAddress);
// END SWIFT MOD
break;
case eAddressTypeHost:
m_value.SetValueType(Value::ValueType::HostAddress);
Expand Down