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//===-- MsvcStlUnordered.cpp ----------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "MsvcStl.h"
#include "lldb/DataFormatters/TypeSynthetic.h"
using namespace lldb;
using namespace lldb_private;
namespace {
class UnorderedFrontEnd : public SyntheticChildrenFrontEnd {
public:
UnorderedFrontEnd(ValueObject &valobj) : SyntheticChildrenFrontEnd(valobj) {
Update();
}
llvm::Expected<size_t> GetIndexOfChildWithName(ConstString name) override {
if (!m_list_sp)
return llvm::createStringError("Missing _List");
return m_list_sp->GetIndexOfChildWithName(name);
}
lldb::ChildCacheState Update() override;
llvm::Expected<uint32_t> CalculateNumChildren() override {
if (!m_list_sp)
return llvm::createStringError("Missing _List");
return m_list_sp->GetNumChildren();
}
ValueObjectSP GetChildAtIndex(uint32_t idx) override {
if (!m_list_sp)
return nullptr;
return m_list_sp->GetChildAtIndex(idx);
}
private:
ValueObjectSP m_list_sp;
};
} // namespace
lldb::ChildCacheState UnorderedFrontEnd::Update() {
m_list_sp = nullptr;
ValueObjectSP list_sp = m_backend.GetChildMemberWithName("_List");
if (!list_sp)
return lldb::ChildCacheState::eRefetch;
m_list_sp = list_sp->GetSyntheticValue();
return lldb::ChildCacheState::eRefetch;
}
bool formatters::IsMsvcStlUnordered(ValueObject &valobj) {
if (auto valobj_sp = valobj.GetNonSyntheticValue())
return valobj_sp->GetChildMemberWithName("_List") != nullptr;
return false;
}
SyntheticChildrenFrontEnd *formatters::MsvcStlUnorderedSyntheticFrontEndCreator(
CXXSyntheticChildren *, lldb::ValueObjectSP valobj_sp) {
if (valobj_sp)
return new UnorderedFrontEnd(*valobj_sp);
return nullptr;
}
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