// Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
//
// Licensed 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
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#pragma once

#include <memory>
#include <string>
#include <unordered_map>
#include "paddle/fluid/inference/analysis/analysis_pass.h"

namespace paddle {
namespace inference {
namespace analysis {

struct PassRegistry {
  PassRegistry();

  AnalysisPass* Retreive(const std::string& pass_type) {
    return passes_[pass_type].get();
  }

  static PassRegistry& Global() {
    static auto* x = new PassRegistry;
    return *x;
  }

 private:
  std::unordered_map<std::string, std::unique_ptr<AnalysisPass>> passes_;
};

}  // namespace analysis
}  // namespace inference
}  // namespace paddle