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// Copyright 2016 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 V8_FIELD_TYPE_H_
#define V8_FIELD_TYPE_H_
#include "src/objects.h"
#include "src/objects/heap-object.h"
#include "src/objects/map.h"
namespace v8 {
namespace internal {
template <typename T>
class Handle;
class FieldType : public Object {
static FieldType None();
static FieldType Any();
static Handle<FieldType> None(Isolate* isolate);
static Handle<FieldType> Any(Isolate* isolate);
static FieldType Class(Map map);
static Handle<FieldType> Class(Handle<Map> map, Isolate* isolate);
static FieldType cast(Object object);
static FieldType unchecked_cast(Object object) {
return FieldType(object.ptr());
bool NowContains(Object value) const;
bool NowContains(Handle<Object> value) const { return NowContains(*value); }
bool IsClass() const;
Map AsClass() const;
bool IsNone() const { return *this == None(); }
bool IsAny() const { return *this == Any(); }
bool NowStable() const;
bool NowIs(FieldType other) const;
bool NowIs(Handle<FieldType> other) const;
void PrintTo(std::ostream& os) const;
FieldType* operator->() { return this; }
const FieldType* operator->() const { return this; }
explicit constexpr FieldType(Address ptr) : Object(ptr) {}
} // namespace internal
} // namespace v8
#endif // V8_FIELD_TYPE_H_