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// Copyright 2012 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_HEAP_INCREMENTAL_MARKING_INL_H_
#define V8_HEAP_INCREMENTAL_MARKING_INL_H_
#include "src/heap/incremental-marking.h"
#include "src/execution/isolate.h"
#include "src/heap/mark-compact-inl.h"
#include "src/objects/maybe-object.h"
#include "src/objects/objects-inl.h"
namespace v8 {
namespace internal {
void IncrementalMarking::TransferColor(HeapObject from, HeapObject to) {
if (atomic_marking_state()->IsBlack(to)) {
DCHECK(black_allocation());
return;
}
DCHECK(atomic_marking_state()->IsWhite(to));
if (atomic_marking_state()->IsGrey(from)) {
bool success = atomic_marking_state()->WhiteToGrey(to);
DCHECK(success);
USE(success);
} else if (atomic_marking_state()->IsBlack(from)) {
bool success = atomic_marking_state()->WhiteToBlack(to);
DCHECK(success);
USE(success);
}
}
bool IncrementalMarking::WhiteToGreyAndPush(HeapObject obj) {
if (marking_state()->WhiteToGrey(obj)) {
local_marking_worklists()->Push(obj);
return true;
}
return false;
}
void IncrementalMarking::RestartIfNotMarking() {
if (state_ == COMPLETE) {
state_ = MARKING;
if (FLAG_trace_incremental_marking) {
heap()->isolate()->PrintWithTimestamp(
"[IncrementalMarking] Restarting (new grey objects)\n");
}
}
}
} // namespace internal
} // namespace v8
#endif // V8_HEAP_INCREMENTAL_MARKING_INL_H_
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