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.config/lite-xl/libraries/nodejs/node-v20.15.1-linux-x64/include/node/v8-embedder-heap.h

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+// Copyright 2021 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_V8_EMBEDDER_HEAP_H_
+#define INCLUDE_V8_EMBEDDER_HEAP_H_
+
+#include "v8-traced-handle.h"  // NOLINT(build/include_directory)
+#include "v8config.h"          // NOLINT(build/include_directory)
+
+namespace v8 {
+
+class Isolate;
+class Value;
+
+/**
+ * Handler for embedder roots on non-unified heap garbage collections.
+ */
+class V8_EXPORT EmbedderRootsHandler {
+ public:
+  virtual ~EmbedderRootsHandler() = default;
+
+  /**
+   * Returns true if the |TracedReference| handle should be considered as root
+   * for the currently running non-tracing garbage collection and false
+   * otherwise. The default implementation will keep all |TracedReference|
+   * references as roots.
+   *
+   * If this returns false, then V8 may decide that the object referred to by
+   * such a handle is reclaimed. In that case, V8 calls |ResetRoot()| for the
+   * |TracedReference|.
+   *
+   * Note that the `handle` is different from the handle that the embedder holds
+   * for retaining the object. The embedder may use |WrapperClassId()| to
+   * distinguish cases where it wants handles to be treated as roots from not
+   * being treated as roots.
+   */
+  virtual bool IsRoot(const v8::TracedReference<v8::Value>& handle) = 0;
+
+  /**
+   * Used in combination with |IsRoot|. Called by V8 when an
+   * object that is backed by a handle is reclaimed by a non-tracing garbage
+   * collection. It is up to the embedder to reset the original handle.
+   *
+   * Note that the |handle| is different from the handle that the embedder holds
+   * for retaining the object. It is up to the embedder to find the original
+   * handle via the object or class id.
+   */
+  virtual void ResetRoot(const v8::TracedReference<v8::Value>& handle) = 0;
+};
+
+}  // namespace v8
+
+#endif  // INCLUDE_V8_EMBEDDER_HEAP_H_