webkitgtk-2.16.5HEADwebkitgtk-2.16.5master

1 files changed, 94 insertions, 0 deletions

diff --git a/Source/JavaScriptCore/runtime/HashMapImpl.cpp b/Source/JavaScriptCore/runtime/HashMapImpl.cpp
new file mode 100644
index 000000000..a24cc2f6f
--- /dev/null
+++ b/Source/JavaScriptCore/runtime/HashMapImpl.cpp
@@ -0,0 +1,94 @@
+/*
+ * Copyright (C) 2016 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. 
+ */
+
+#include "config.h"
+#include "HashMapImpl.h"
+
+#include "JSCInlines.h"
+
+namespace JSC {
+
+template<>
+const ClassInfo HashMapBucket<HashMapBucketDataKey>::s_info =
+    { "HashMapBucket", nullptr, 0, CREATE_METHOD_TABLE(HashMapBucket<HashMapBucketDataKey>) };
+
+template<>
+const ClassInfo HashMapBucket<HashMapBucketDataKeyValue>::s_info =
+    { "HashMapBucket", nullptr, 0, CREATE_METHOD_TABLE(HashMapBucket<HashMapBucketDataKeyValue>) };
+
+template <typename Data>
+void HashMapBucket<Data>::visitChildren(JSCell* cell, SlotVisitor& visitor)
+{
+    HashMapBucket* thisObject = jsCast<HashMapBucket*>(cell);
+    ASSERT_GC_OBJECT_INHERITS(thisObject, info());
+    Base::visitChildren(thisObject, visitor);
+
+    visitor.append(thisObject->m_next);
+    visitor.append(thisObject->m_prev);
+
+    static_assert(sizeof(Data) % sizeof(WriteBarrier<Unknown>) == 0, "We assume that these are filled with WriteBarrier<Unknown> members only.");
+    visitor.appendValues(bitwise_cast<WriteBarrier<Unknown>*>(&thisObject->m_data), sizeof(Data) / sizeof(WriteBarrier<Unknown>));
+}
+
+template<>
+const ClassInfo HashMapImpl<HashMapBucket<HashMapBucketDataKey>>::s_info =
+    { "HashMapImpl", nullptr, 0, CREATE_METHOD_TABLE(HashMapImpl<HashMapBucket<HashMapBucketDataKey>>) };
+
+template<>
+const ClassInfo HashMapImpl<HashMapBucket<HashMapBucketDataKeyValue>>::s_info =
+    { "HashMapImpl", nullptr, 0, CREATE_METHOD_TABLE(HashMapImpl<HashMapBucket<HashMapBucketDataKeyValue>>) };
+
+template <typename HashMapBucket>
+void HashMapImpl<HashMapBucket>::visitChildren(JSCell* cell, SlotVisitor& visitor)
+{
+    HashMapImpl* thisObject = jsCast<HashMapImpl*>(cell);
+    ASSERT_GC_OBJECT_INHERITS(thisObject, info());
+    Base::visitChildren(thisObject, visitor);
+
+    visitor.append(thisObject->m_head);
+    visitor.append(thisObject->m_tail);
+    
+    if (HashMapBufferType* buffer = thisObject->m_buffer.get())
+        visitor.markAuxiliary(buffer);
+}
+
+const ClassInfo* getHashMapBucketKeyClassInfo()
+{
+    return &HashMapBucket<HashMapBucketDataKey>::s_info;
+}
+const ClassInfo* getHashMapBucketKeyValueClassInfo()
+{
+    return &HashMapBucket<HashMapBucketDataKeyValue>::s_info;
+}
+const ClassInfo* getHashMapImplKeyClassInfo()
+{
+    return &HashMapImpl<HashMapBucket<HashMapBucketDataKey>>::s_info;
+}
+const ClassInfo* getHashMapImplKeyValueClassInfo()
+{
+    return &HashMapImpl<HashMapBucket<HashMapBucketDataKeyValue>>::s_info;
+}
+
+} // namespace JSC