//===--- Context.cpp ---------------------------------------------*- C++-*-===//
//
// 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 "LibLsp/JsonRpc/Context.h"
#include <cassert>

namespace lsp
{

Context Context::empty()
{
    return Context(/*dataPtr=*/nullptr);
}

Context::Context(std::shared_ptr<Data const> DataPtr) : dataPtr(std::move(DataPtr))
{
}

Context Context::clone() const
{
    return Context(dataPtr);
}

static Context& currentContext()
{
    static thread_local auto c = Context::empty();
    return c;
}

Context const& Context::current()
{
    return currentContext();
}

Context Context::swapCurrent(Context Replacement)
{
    std::swap(Replacement, currentContext());
    return Replacement;
}

} // namespace lsp