chromium/third_party/blink/renderer/platform/heap/collection_support/heap_linked_stack.h

/*
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#ifndef THIRD_PARTY_BLINK_RENDERER_PLATFORM_HEAP_COLLECTION_SUPPORT_HEAP_LINKED_STACK_H_
#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_HEAP_COLLECTION_SUPPORT_HEAP_LINKED_STACK_H_

#include "third_party/blink/renderer/platform/heap/garbage_collected.h"
#include "third_party/blink/renderer/platform/heap/heap_allocator_impl.h"
#include "third_party/blink/renderer/platform/heap/visitor.h"
#include "third_party/blink/renderer/platform/wtf/allocator/allocator.h"
#include "third_party/blink/renderer/platform/wtf/type_traits.h"

namespace blink {

// HeapLinkedStack<> is an Oilpan-managed stack that avoids pre-allocation
// of memory and heap fragmentation.
//
// The API was originally implemented on the call stack by LinkedStack<>
// (now removed: https://codereview.chromium.org/2761853003/).
// See https://codereview.chromium.org/17314010 for the original use-case.
template <typename T>
class HeapLinkedStack final : public GarbageCollected<HeapLinkedStack<T>> { … };

template <typename T>
HeapLinkedStack<T>::Node::Node(const T& data, Node* next)
    : … { … }

template <typename T>
bool HeapLinkedStack<T>::IsEmpty() const { … }

template <typename T>
void HeapLinkedStack<T>::Push(const T& data) { … }

template <typename T>
const T& HeapLinkedStack<T>::Peek() const { … }

template <typename T>
void HeapLinkedStack<T>::Pop() { … }

template <typename T>
wtf_size_t HeapLinkedStack<T>::size() const { … }

}  // namespace blink

#endif  // THIRD_PARTY_BLINK_RENDERER_PLATFORM_HEAP_COLLECTION_SUPPORT_HEAP_LINKED_STACK_H_