    /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
    /*
     * This file is part of the LibreOffice project.
     *
     * This Source Code Form is subject to the terms of the Mozilla Public
     * License, v. 2.0. If a copy of the MPL was not distributed with this
     * file, You can obtain one at http://mozilla.org/MPL/2.0/.
     *
     * This file incorporates work covered by the following license notice:
     *
     *   Licensed to the Apache Software Foundation (ASF) under one or more
     *   contributor license agreements. See the NOTICE file distributed
     *   with this work for additional information regarding copyright
     *   ownership. The ASF licenses this file to you under the Apache
     *   License, Version 2.0 (the "License"); you may not use this file
     *   except in compliance with the License. You may obtain a copy of
     *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
     */

    #include "Cli_environment.h"

    #using <cli_ure.dll>
    #using <system.dll>
    #include "osl/diagnose.h"
    #include "cli_proxy.h"

    using namespace System::Runtime::Remoting;
    using namespace System::Runtime::Remoting::Proxies;
    using namespace System::Collections;
    using namespace System::Text;
    using namespace System::Diagnostics;
    using namespace System::Threading;

    namespace cli_uno
    {

    inline System::String^ Cli_environment::createKey(System::String^ oid, System::Type^ t)
    {
        return System::String::Concat(oid, t->FullName);
    }

    inline Cli_environment::Cli_environment()
    {
    #if OSL_DEBUG_LEVEL >= 2
        _numRegisteredObjects = 0;
    #endif
    }

    Cli_environment::~Cli_environment() ///< IDisposable Cli_environment::Dispose()
    {
        this->!Cli_environment(); // call finalizer
    }

    Cli_environment::!Cli_environment() ///< Cli_environment::Finalize()
    {
    #if OSL_DEBUG_LEVEL >= 2
        OSL_ENSURE(_numRegisteredObjects == 0,
                   "cli uno bridge: CLI environment contains unrevoked objects");
    #endif
    }

    System::Object^ Cli_environment::registerInterface(
        System::Object^ obj, System::String^ oid)
    {
    #if OSL_DEBUG_LEVEL >= 1
        //obj must be a transparent proxy
        OSL_ASSERT(RemotingServices::IsTransparentProxy(obj));
        _numRegisteredObjects ++;
    #endif
        OSL_ASSERT( ! m_objects->ContainsKey(oid));
        m_objects->Add(oid, gcnew WeakReference(obj));
        return obj;
    }
    System::Object^ Cli_environment::registerInterface      (
        System::Object^ obj, System::String^ oid, System::Type^ type)
    {
    #if OSL_DEBUG_LEVEL >= 1
        //obj must be a real cli object
        OSL_ASSERT( ! RemotingServices::IsTransparentProxy(obj));
        _numRegisteredObjects ++;
    #endif
        System::String^ key = createKey(oid, type);
        //see synchronization in map_uno2cli in cli_data.cxx
        OSL_ASSERT( ! m_objects->ContainsKey(key));
        m_objects->Add(key, gcnew WeakReference(obj));
        return obj;
    }

    void Cli_environment::revokeInterface(System::String^ oid, System::Type^ type)
    {
        System::String^ key = type != nullptr ? createKey(oid, type) : oid;
    #if OSL_DEBUG_LEVEL >= 1
        _numRegisteredObjects --;
    #endif
    #if OSL_DEBUG_LEVEL >= 2
        int i = 1;
        if (m_objects->ContainsKey(key) == false)
        {
            Trace::WriteLine("cli uno bridge: try to revoke unregistered interface");
            Trace::WriteLine(oid);
            i = 0;
        }
        Trace::WriteLine(System::String::Format(
                             gcnew System::String("cli uno bridge: {0} remaining registered interfaces"),
                             m_objects->Count - 1));
    #endif
        m_objects->Remove(key);
    }

    inline void Cli_environment::revokeInterface(System::String^ oid)
    {
        return revokeInterface(oid, nullptr);
    }

    System::Object^ Cli_environment::getRegisteredInterface(System::String^ oid,
                                                            System::Type^ type)
    {
        //try if it is a UNO interface
        System::Object^ ret = nullptr;
        ret = m_objects[oid];
        if (! ret)
        {
            //try if it is a proxy for a cli object
            oid = createKey(oid, type);
            ret = m_objects[ oid ];
        }
        if (ret != nullptr)
        {
            System::WeakReference^ weakIface =
                static_cast< System::WeakReference ^ >( ret );
            ret = weakIface->Target;
        }
        if (ret == nullptr)
            m_objects->Remove( oid );
        return ret;
    }

    System::String^ Cli_environment::getObjectIdentifier(System::Object^ obj)
    {
        System::String^ oId= nullptr;
        RealProxy^ aProxy= RemotingServices::GetRealProxy(obj);
        if (aProxy)
        {
            UnoInterfaceProxy^ proxyImpl= dynamic_cast<UnoInterfaceProxy^>(aProxy);
            if (proxyImpl)
                oId= proxyImpl->getOid();
        }

        if (oId == nullptr)
        {
            StringBuilder ^ buf= gcnew StringBuilder(256);
            bool bFirst = new bool(false);
            System::Threading::Monitor::Enter(Cli_environment::typeid);
            try {
                buf->Append(m_IDGen->GetId(obj, bFirst));
            } finally
            {
                System::Threading::Monitor::Exit(Cli_environment::typeid);
            }

            buf->Append(sOidPart);
            oId= buf->ToString();
        }
        return oId;
    }
    } //namespace cli_uno

    /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

↑ V519 The 'ret' variable is assigned values twice successively. Perhaps this is a mistake. Check lines: 120, 121.