Update Files

v8/include/v8-data.h

@@ -0,0 +1,80 @@
+// 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_DATA_H_
+#define INCLUDE_V8_DATA_H_
+
+#include "v8-local-handle.h"  // NOLINT(build/include_directory)
+#include "v8config.h"         // NOLINT(build/include_directory)
+
+namespace v8 {
+
+class Context;
+
+/**
+ * The superclass of objects that can reside on V8's heap.
+ */
+class V8_EXPORT Data {
+ public:
+  /**
+   * Returns true if this data is a |v8::Value|.
+   */
+  bool IsValue() const;
+
+  /**
+   * Returns true if this data is a |v8::Module|.
+   */
+  bool IsModule() const;
+
+  /**
+   * Returns tru if this data is a |v8::FixedArray|
+   */
+  bool IsFixedArray() const;
+
+  /**
+   * Returns true if this data is a |v8::Private|.
+   */
+  bool IsPrivate() const;
+
+  /**
+   * Returns true if this data is a |v8::ObjectTemplate|.
+   */
+  bool IsObjectTemplate() const;
+
+  /**
+   * Returns true if this data is a |v8::FunctionTemplate|.
+   */
+  bool IsFunctionTemplate() const;
+
+  /**
+   * Returns true if this data is a |v8::Context|.
+   */
+  bool IsContext() const;
+
+ private:
+  Data();
+};
+
+/**
+ * A fixed-sized array with elements of type Data.
+ */
+class V8_EXPORT FixedArray : public Data {
+ public:
+  int Length() const;
+  Local<Data> Get(Local<Context> context, int i) const;
+
+  V8_INLINE static FixedArray* Cast(Data* data) {
+#ifdef V8_ENABLE_CHECKS
+    CheckCast(data);
+#endif
+    return reinterpret_cast<FixedArray*>(data);
+  }
+
+ private:
+  static void CheckCast(Data* obj);
+};
+
+}  // namespace v8
+
+#endif  // INCLUDE_V8_DATA_H_