// Copyright (c) 2024 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.

#include "paddle/fluid/framework/feed_hook.h"
#include <vector>

namespace paddle::framework {

namespace {

std::vector<FeedHookType>* MutGlobalFeedHooks() {
  static std::vector<FeedHookType> hooks;
  return &hooks;
}

const std::vector<FeedHookType>& GetGlobalFeedHooks() {
  return *MutGlobalFeedHooks();
}

}  // namespace

void AddFeedHook(FeedHookType hook) { MutGlobalFeedHooks()->push_back(hook); }

void RunFeedHooks(const pir::Program& program, const Scope& scope) {
  if (GetGlobalFeedHooks().empty()) return;
  for (const auto& Hook : GetGlobalFeedHooks()) {
    Hook(program, scope);
  }
}

}  // namespace paddle::framework