Coverage Report

Created: 2022-01-18 06:27

/Users/buildslave/jenkins/workspace/coverage/llvm-project/lldb/source/Plugins/Language/CPlusPlus/LibCxxQueue.cpp
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//===-- LibCxxQueue.cpp ---------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "LibCxx.h"
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#include "lldb/DataFormatters/FormattersHelpers.h"
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using namespace lldb;
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using namespace lldb_private;
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namespace {
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class QueueFrontEnd : public SyntheticChildrenFrontEnd {
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public:
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  QueueFrontEnd(ValueObject &valobj) : SyntheticChildrenFrontEnd(valobj) {
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    Update();
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  }
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  size_t GetIndexOfChildWithName(ConstString name) override {
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    return m_container_sp ? m_container_sp->GetIndexOfChildWithName(name)
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                          : UINT32_MAX;
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  }
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  bool MightHaveChildren() override { return true; }
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  bool Update() override;
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  size_t CalculateNumChildren() override {
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    return m_container_sp ? m_container_sp->GetNumChildren() : 
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;
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  }
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  ValueObjectSP GetChildAtIndex(size_t idx) override {
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    return m_container_sp ? m_container_sp->GetChildAtIndex(idx, true)
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                          : 
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;
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  }
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private:
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  // The lifetime of a ValueObject and all its derivative ValueObjects
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  // (children, clones, etc.) is managed by a ClusterManager. These
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  // objects are only destroyed when every shared pointer to any of them
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  // is destroyed, so we must not store a shared pointer to any ValueObject
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  // derived from our backend ValueObject (since we're in the same cluster).
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  ValueObject* m_container_sp = nullptr;
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};
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} // namespace
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bool QueueFrontEnd::Update() {
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  m_container_sp = nullptr;
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  ValueObjectSP c_sp = m_backend.GetChildMemberWithName(ConstString("c"), true);
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  if (!c_sp)
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    return false;
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  m_container_sp = c_sp->GetSyntheticValue().get();
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  return false;
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}
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SyntheticChildrenFrontEnd *
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formatters::LibcxxQueueFrontEndCreator(CXXSyntheticChildren *,
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                                       lldb::ValueObjectSP valobj_sp) {
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  if (valobj_sp)
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    return new QueueFrontEnd(*valobj_sp);
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  return nullptr;
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}