New and improved data formatter for std::shared_ptr<> and std::weak_ptr<>
llvm-svn: 198724
diff --git a/lldb/source/DataFormatters/LibCxx.cpp b/lldb/source/DataFormatters/LibCxx.cpp
index 1c79972..6380d97 100644
--- a/lldb/source/DataFormatters/LibCxx.cpp
+++ b/lldb/source/DataFormatters/LibCxx.cpp
@@ -26,6 +26,51 @@
using namespace lldb_private;
using namespace lldb_private::formatters;
+bool
+lldb_private::formatters::LibcxxSmartPointerSummaryProvider (ValueObject& valobj, Stream& stream)
+{
+ ValueObjectSP valobj_sp(valobj.GetNonSyntheticValue());
+ if (!valobj_sp)
+ return false;
+ ValueObjectSP ptr_sp(valobj_sp->GetChildMemberWithName(ConstString("__ptr_"), true));
+ ValueObjectSP count_sp(valobj_sp->GetChildAtNamePath( {ConstString("__cntrl_"),ConstString("__shared_owners_")} ));
+ ValueObjectSP weakcount_sp(valobj_sp->GetChildAtNamePath( {ConstString("__cntrl_"),ConstString("__shared_weak_owners_")} ));
+
+ if (!ptr_sp)
+ return false;
+
+ if (ptr_sp->GetValueAsUnsigned(0) == 0)
+ {
+ stream.Printf("nullptr");
+ return true;
+ }
+ else
+ {
+ bool print_pointee = false;
+ Error error;
+ ValueObjectSP pointee_sp = ptr_sp->Dereference(error);
+ if (pointee_sp && error.Success())
+ {
+ if (pointee_sp->DumpPrintableRepresentation(stream,
+ ValueObject::eValueObjectRepresentationStyleSummary,
+ lldb::eFormatInvalid,
+ ValueObject::ePrintableRepresentationSpecialCasesDisable,
+ false))
+ print_pointee = true;
+ }
+ if (!print_pointee)
+ stream.Printf("ptr = 0x%" PRIx64, ptr_sp->GetValueAsUnsigned(0));
+ }
+
+ if (count_sp)
+ stream.Printf(" strong=%" PRIu64, 1+count_sp->GetValueAsUnsigned(0));
+
+ if (weakcount_sp)
+ stream.Printf(" weak=%" PRIu64, 1+weakcount_sp->GetValueAsUnsigned(0));
+
+ return true;
+}
+
lldb_private::formatters::LibcxxVectorBoolSyntheticFrontEnd::LibcxxVectorBoolSyntheticFrontEnd (lldb::ValueObjectSP valobj_sp) :
SyntheticChildrenFrontEnd(*valobj_sp.get()),
m_bool_type(),