clang/lib/Basic/ParsedAttrInfo.cpp

//===- ParsedAttrInfo.cpp - Registry for attribute plugins ------*- 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
//
//===----------------------------------------------------------------------===//
//
// This file contains the Registry of attributes added by plugins which
// derive the ParsedAttrInfo class.
//
//===----------------------------------------------------------------------===//

#include "clang/Basic/ParsedAttrInfo.h"
#include "llvm/Support/ManagedStatic.h"
#include <list>
#include <memory>

using namespace clang;

LLVM_INSTANTIATE_REGISTRY(ParsedAttrInfoRegistry)

const std::list<std::unique_ptr<ParsedAttrInfo>> &
clang::getAttributePluginInstances() {
  static llvm::ManagedStatic<std::list<std::unique_ptr<ParsedAttrInfo>>>
      PluginAttrInstances;
  if (PluginAttrInstances->empty())
    for (const auto &It : ParsedAttrInfoRegistry::entries())
      PluginAttrInstances->emplace_back(It.instantiate());

  return *PluginAttrInstances;
}