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Handlify Map::RawCopy

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BUG=
R=mvstanton@chromium.org

Review URL: https://codereview.chromium.org/235183002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@20693 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
This commit is contained in:
verwaest@chromium.org 2014-04-11 13:48:52 +00:00
parent 4268ce0abd
commit ac659f3882
2 changed files with 9 additions and 21 deletions
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29
src/objects.cc
View File

@ -6765,31 +6765,20 @@ Object* JSObject::SlowReverseLookup(Object* value) {
}
Handle<Map> Map::RawCopy(Handle<Map> map,
int instance_size) {
CALL_HEAP_FUNCTION(map->GetIsolate(),
map->RawCopy(instance_size),
Map);
}
MaybeObject* Map::RawCopy(int instance_size) {
Map* result;
MaybeObject* maybe_result =
GetHeap()->AllocateMap(instance_type(), instance_size);
if (!maybe_result->To(&result)) return maybe_result;
result->set_prototype(prototype());
result->set_constructor(constructor());
result->set_bit_field(bit_field());
result->set_bit_field2(bit_field2());
int new_bit_field3 = bit_field3();
Handle<Map> Map::RawCopy(Handle<Map> map, int instance_size) {
Handle<Map> result = map->GetIsolate()->factory()->NewMap(
map->instance_type(), instance_size);
result->set_prototype(map->prototype());
result->set_constructor(map->constructor());
result->set_bit_field(map->bit_field());
result->set_bit_field2(map->bit_field2());
int new_bit_field3 = map->bit_field3();
new_bit_field3 = OwnsDescriptors::update(new_bit_field3, true);
new_bit_field3 = NumberOfOwnDescriptorsBits::update(new_bit_field3, 0);
new_bit_field3 = EnumLengthBits::update(new_bit_field3,
kInvalidEnumCacheSentinel);
new_bit_field3 = Deprecated::update(new_bit_field3, false);
if (!is_dictionary_map()) {
if (!map->is_dictionary_map()) {
new_bit_field3 = IsUnstable::update(new_bit_field3, false);
}
result->set_bit_field3(new_bit_field3);

1
src/objects.h
View File

@ -6412,7 +6412,6 @@ class Map: public HeapObject {
static Handle<Map> CurrentMapForDeprecatedInternal(Handle<Map> map);
static Handle<Map> RawCopy(Handle<Map> map, int instance_size);
MUST_USE_RESULT MaybeObject* RawCopy(int instance_size);
static Handle<Map> CopyDropDescriptors(Handle<Map> map);
static Handle<Map> CopyReplaceDescriptors(
Handle<Map> map,