container_trace.h

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// Copyright 2020 The PDFium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
 
#ifndef FXJS_GC_CONTAINER_TRACE_H_
#define FXJS_GC_CONTAINER_TRACE_H_
 
#include <list>
#include <map>
#include <set>
#include <vector>
 
#include "v8/include/cppgc/member.h"
#include "v8/include/cppgc/visitor.h"
 
namespace fxgc {
 
template <typename T, typename V = cppgc::Visitor>
void ContainerTrace(V* visitor, const std::list<cppgc::Member<T>>& container) {
  for (const auto& item : container)
    visitor->Trace(item);
}
 
template <typename T, typename U, typename V = cppgc::Visitor>
void ContainerTrace(V* visitor,
                    const std::map<cppgc::Member<T>, U>& container) {
  for (const auto& item : container) {
    visitor->Trace(item.first);
  }
}
 
template <typename T, typename U, typename V = cppgc::Visitor>
void ContainerTrace(V* visitor,
                    const std::map<U, cppgc::Member<T>>& container) {
  for (const auto& item : container)
    visitor->Trace(item.second);
}
 
template <typename T, typename U, typename V = cppgc::Visitor>
void ContainerTrace(
    V* visitor,
    const std::map<cppgc::Member<U>, cppgc::Member<T>>& container) {
  for (const auto& item : container) {
    visitor->Trace(item.first);
    visitor->Trace(item.second);
  }
}
 
template <typename T, typename V = cppgc::Visitor>
void ContainerTrace(V* visitor, const std::set<cppgc::Member<T>>& container) {
  for (const auto& item : container)
    visitor->Trace(item);
}
 
template <typename T, typename V = cppgc::Visitor>
void ContainerTrace(V* visitor,
                    const std::vector<cppgc::Member<T>>& container) {
  for (const auto& item : container)
    visitor->Trace(item);
}
 
}  // namespace fxgc
 
using fxgc::ContainerTrace;
 
#endif  // FXJS_GC_CONTAINER_TRACE_H_