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// Copyright 2017 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_OBJECTS_MAP_INL_H_
#define V8_OBJECTS_MAP_INL_H_
#include "src/field-type.h"
#include "src/objects/map.h"
// Has to be the last include (doesn't have include guards):
#include "src/objects/object-macros.h"
namespace v8 {
namespace internal {
CAST_ACCESSOR(Map)
InterceptorInfo* Map::GetNamedInterceptor() {
DCHECK(has_named_interceptor());
FunctionTemplateInfo* info = GetFunctionTemplateInfo();
return InterceptorInfo::cast(info->named_property_handler());
}
InterceptorInfo* Map::GetIndexedInterceptor() {
DCHECK(has_indexed_interceptor());
FunctionTemplateInfo* info = GetFunctionTemplateInfo();
return InterceptorInfo::cast(info->indexed_property_handler());
}
bool Map::IsInplaceGeneralizableField(PropertyConstness constness,
Representation representation,
FieldType* field_type) {
if (FLAG_track_constant_fields && FLAG_modify_map_inplace &&
(constness == kConst)) {
// kConst -> kMutable field generalization may happen in-place.
return true;
}
if (representation.IsHeapObject() && !field_type->IsAny()) {
return true;
}
return false;
}
int NormalizedMapCache::GetIndex(Handle<Map> map) {
return map->Hash() % NormalizedMapCache::kEntries;
}
bool NormalizedMapCache::IsNormalizedMapCache(const HeapObject* obj) {
if (!obj->IsFixedArray()) return false;
if (FixedArray::cast(obj)->length() != NormalizedMapCache::kEntries) {
return false;
}
#ifdef VERIFY_HEAP
if (FLAG_verify_heap) {
reinterpret_cast<NormalizedMapCache*>(const_cast<HeapObject*>(obj))
->NormalizedMapCacheVerify();
}
#endif
return true;
}
} // namespace internal
} // namespace v8
#include "src/objects/object-macros-undef.h"
#endif // V8_OBJECTS_MAP_INL_H_
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