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// Copyright 2020 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef INCLUDE_CPPGC_HEAP_H_
#define INCLUDE_CPPGC_HEAP_H_
#include <memory>
#include <vector>
#include "cppgc/common.h"
#include "cppgc/custom-space.h"
#include "v8config.h" // NOLINT(build/include_directory)
namespace cppgc {
namespace internal {
class Heap;
} // namespace internal
class V8_EXPORT Heap {
public:
/**
* Specifies the stack state the embedder is in.
*/
using StackState = EmbedderStackState;
struct HeapOptions {
static HeapOptions Default() { return {}; }
/**
* Custom spaces added to heap are required to have indices forming a
* numbered sequence starting at 0, i.e., their kSpaceIndex must correspond
* to the index they reside in the vector.
*/
std::vector<std::unique_ptr<CustomSpaceBase>> custom_spaces;
};
static std::unique_ptr<Heap> Create(HeapOptions = HeapOptions::Default());
virtual ~Heap() = default;
/**
* Forces garbage collection.
*
* \param source String specifying the source (or caller) triggering a
* forced garbage collection.
* \param reason String specifying the reason for the forced garbage
* collection.
* \param stack_state The embedder stack state, see StackState.
*/
void ForceGarbageCollectionSlow(
const char* source, const char* reason,
StackState stack_state = StackState::kMayContainHeapPointers);
private:
Heap() = default;
friend class internal::Heap;
};
} // namespace cppgc
#endif // INCLUDE_CPPGC_HEAP_H_
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