1// Copyright 2014 the V8 project authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#ifndef V8_PROPERTY_DETAILS_INL_H_
6#define V8_PROPERTY_DETAILS_INL_H_
7
8#include "src/conversions.h"
9#include "src/objects.h"
10#include "src/property-details.h"
11#include "src/types.h"
12
13namespace v8 {
14namespace internal {
15
16inline bool Representation::CanContainDouble(double value) {
17  if (IsDouble() || is_more_general_than(Representation::Double())) {
18    return true;
19  }
20  if (IsInt32Double(value)) {
21    if (IsInteger32()) return true;
22    if (IsSmi()) return Smi::IsValid(static_cast<int32_t>(value));
23  }
24  return false;
25}
26
27
28Representation Representation::FromType(Type* type) {
29  DisallowHeapAllocation no_allocation;
30  if (type->Is(Type::None())) return Representation::None();
31  if (type->Is(Type::SignedSmall())) return Representation::Smi();
32  if (type->Is(Type::Signed32())) return Representation::Integer32();
33  if (type->Is(Type::Number())) return Representation::Double();
34  return Representation::Tagged();
35}
36
37} }  // namespace v8::internal
38
39#endif  // V8_PROPERTY_DETAILS_INL_H_
40