webkitgtk-2.16.5HEADwebkitgtk-2.16.5master

1 files changed, 76 insertions, 0 deletions

diff --git a/Source/JavaScriptCore/heap/SubspaceInlines.h b/Source/JavaScriptCore/heap/SubspaceInlines.h
new file mode 100644
index 000000000..b6851c353
--- /dev/null
+++ b/Source/JavaScriptCore/heap/SubspaceInlines.h
@@ -0,0 +1,76 @@
+/*
+ * Copyright (C) 2017 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
+ */
+
+#pragma once
+
+#include "JSCell.h"
+#include "MarkedAllocator.h"
+#include "MarkedBlock.h"
+#include "MarkedSpace.h"
+#include "Subspace.h"
+
+namespace JSC {
+
+template<typename Func>
+void Subspace::forEachMarkedBlock(const Func& func)
+{
+    for (MarkedAllocator* allocator = m_firstAllocator; allocator; allocator = allocator->nextAllocatorInSubspace())
+        allocator->forEachBlock(func);
+}
+
+template<typename Func>
+void Subspace::forEachNotEmptyMarkedBlock(const Func& func)
+{
+    for (MarkedAllocator* allocator = m_firstAllocator; allocator; allocator = allocator->nextAllocatorInSubspace())
+        allocator->forEachNotEmptyBlock(func);
+}
+
+template<typename Func>
+void Subspace::forEachLargeAllocation(const Func& func)
+{
+    for (LargeAllocation* allocation = m_largeAllocations.begin(); allocation != m_largeAllocations.end(); allocation = allocation->next())
+        func(allocation);
+}
+
+template<typename Func>
+void Subspace::forEachMarkedCell(const Func& func)
+{
+    forEachNotEmptyMarkedBlock(
+        [&] (MarkedBlock::Handle* handle) {
+            handle->forEachMarkedCell(
+                [&] (HeapCell* cell, HeapCell::Kind kind) -> IterationStatus { 
+                    func(cell, kind);
+                    return IterationStatus::Continue;
+                });
+        });
+    forEachLargeAllocation(
+        [&] (LargeAllocation* allocation) {
+            if (allocation->isMarked())
+                func(allocation->cell(), m_attributes.cellKind);
+        });
+}
+
+} // namespace JSC
+