================
@@ -456,3 +477,97 @@
lldb_private::formatters::LibcxxStdMapSyntheticFrontEndCreator(
CXXSyntheticChildren *, lldb::ValueObjectSP valobj_sp) {
return (valobj_sp ? new LibcxxStdMapSyntheticFrontEnd(valobj_sp) : nullptr);
}
+
+lldb_private::formatters::LibCxxMapIteratorSyntheticFrontEnd::
+ LibCxxMapIteratorSyntheticFrontEnd(lldb::ValueObjectSP valobj_sp)
+ : SyntheticChildrenFrontEnd(*valobj_sp) {
+ if (valobj_sp)
+ Update();
+}
+
+lldb::ChildCacheState
+lldb_private::formatters::LibCxxMapIteratorSyntheticFrontEnd::Update() {
+ m_pair_sp.reset();
+
+ ValueObjectSP valobj_sp = m_backend.GetSP();
+ if (!valobj_sp)
+ return lldb::ChildCacheState::eRefetch;
+
+ TargetSP target_sp(valobj_sp->GetTargetSP());
+ if (!target_sp)
+ return lldb::ChildCacheState::eRefetch;
+
+ auto tree_iter_sp = valobj_sp->GetChildMemberWithName("__i_");
+ if (!tree_iter_sp)
+ return lldb::ChildCacheState::eRefetch;
+
+ auto node_pointer_type =
+ tree_iter_sp->GetCompilerType().GetDirectNestedTypeWithName(
+ "__node_pointer");
+ if (!node_pointer_type.IsValid())
+ return lldb::ChildCacheState::eRefetch;
+
+ auto iter_pointer_sp = tree_iter_sp->GetChildMemberWithName("__ptr_");
+ if (!iter_pointer_sp)
+ return lldb::ChildCacheState::eRefetch;
+
+ auto node_pointer_sp = iter_pointer_sp->Cast(node_pointer_type);
+ if (!node_pointer_sp)
+ return lldb::ChildCacheState::eRefetch;
+
+ Status err;
+ node_pointer_sp = node_pointer_sp->Dereference(err);
+ if (!node_pointer_sp || err.Fail())
+ return lldb::ChildCacheState::eRefetch;
+
+ auto key_value_sp = node_pointer_sp->GetChildMemberWithName("__value_");
+ if (!key_value_sp)
+ return lldb::ChildCacheState::eRefetch;
+
+ key_value_sp = key_value_sp->Clone(ConstString("name"));
+ if (key_value_sp->GetNumChildrenIgnoringErrors() == 1) {
+ auto child0_sp = key_value_sp->GetChildAtIndex(0);
+ if (child0_sp &&
+ (child0_sp->GetName() == "__cc_" || child0_sp->GetName() == "__cc"))
+ key_value_sp = child0_sp->Clone(ConstString("pair"));
+ }
+
+ m_pair_sp = key_value_sp;
+
+ return lldb::ChildCacheState::eRefetch;
+}
+
+llvm::Expected<uint32_t> lldb_private::formatters::
+ LibCxxMapIteratorSyntheticFrontEnd::CalculateNumChildren() {
+ return 2;
+}
+
+lldb::ValueObjectSP
+lldb_private::formatters::LibCxxMapIteratorSyntheticFrontEnd::GetChildAtIndex(
+ uint32_t idx) {
+ if (!m_pair_sp)
+ return nullptr;
+
+ return m_pair_sp->GetChildAtIndex(idx);
+}
+
+bool lldb_private::formatters::LibCxxMapIteratorSyntheticFrontEnd::
+ MightHaveChildren() {
+ return true;
+}
+
+size_t lldb_private::formatters::LibCxxMapIteratorSyntheticFrontEnd::
+ GetIndexOfChildWithName(ConstString name) {
+ if (name == "first")
----------------
Michael137 wrote:
yup good idea!
https://github.com/llvm/llvm-project/pull/97713
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