webkitgtk-2.16.5HEADwebkitgtk-2.16.5master

1 files changed, 0 insertions, 141 deletions

diff --git a/Source/JavaScriptCore/runtime/IntendedStructureChain.cpp b/Source/JavaScriptCore/runtime/IntendedStructureChain.cpp
deleted file mode 100644
index b38dae9f8..000000000
--- a/Source/JavaScriptCore/runtime/IntendedStructureChain.cpp
+++ /dev/null
@@ -1,141 +0,0 @@
-/*
- * Copyright (C) 2013 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 COMPUTER, 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 COMPUTER, 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 "IntendedStructureChain.h"
-
-#include "CodeBlock.h"
-#include "Operations.h"
-#include "StructureChain.h"
-
-namespace JSC {
-
-IntendedStructureChain::IntendedStructureChain(JSGlobalObject* globalObject, Structure* head)
-    : m_globalObject(globalObject)
-    , m_head(head)
-{
-    JSValue prototype = head->prototypeForLookup(globalObject);
-    if (prototype.isNull())
-        return;
-    for (Structure* current = asObject(prototype)->structure(); current; current = current->storedPrototypeStructure())
-        m_vector.append(current);
-}
-
-IntendedStructureChain::IntendedStructureChain(CodeBlock* codeBlock, Structure* head, Structure* prototypeStructure)
-    : m_globalObject(codeBlock->globalObject())
-    , m_head(head)
-{
-    m_vector.append(prototypeStructure);
-}
-
-IntendedStructureChain::IntendedStructureChain(CodeBlock* codeBlock, Structure* head, StructureChain* chain)
-    : m_globalObject(codeBlock->globalObject())
-    , m_head(head)
-{
-    for (unsigned i = 0; chain->head()[i]; ++i)
-        m_vector.append(chain->head()[i].get());
-}
-
-IntendedStructureChain::IntendedStructureChain(CodeBlock* codeBlock, Structure* head, StructureChain* chain, unsigned count)
-    : m_globalObject(codeBlock->globalObject())
-    , m_head(head)
-{
-    for (unsigned i = 0; i < count; ++i)
-        m_vector.append(chain->head()[i].get());
-}
-
-IntendedStructureChain::~IntendedStructureChain()
-{
-}
-
-bool IntendedStructureChain::isStillValid() const
-{
-    JSValue currentPrototype = m_head->prototypeForLookup(m_globalObject);
-    for (unsigned i = 0; i < m_vector.size(); ++i) {
-        if (asObject(currentPrototype)->structure() != m_vector[i])
-            return false;
-        currentPrototype = m_vector[i]->storedPrototype();
-    }
-    return true;
-}
-
-bool IntendedStructureChain::matches(StructureChain* chain) const
-{
-    for (unsigned i = 0; i < m_vector.size(); ++i) {
-        if (m_vector[i] != chain->head()[i].get())
-            return false;
-    }
-    if (chain->head()[m_vector.size()])
-        return false;
-    return true;
-}
-
-StructureChain* IntendedStructureChain::chain(VM& vm) const
-{
-    ASSERT(isStillValid());
-    StructureChain* result = StructureChain::create(vm, m_head);
-    ASSERT(matches(result));
-    return result;
-}
-
-bool IntendedStructureChain::mayInterceptStoreTo(VM& vm, StringImpl* uid)
-{
-    for (unsigned i = 0; i < m_vector.size(); ++i) {
-        unsigned attributes;
-        JSCell* specificValue;
-        PropertyOffset offset = m_vector[i]->getConcurrently(vm, uid, attributes, specificValue);
-        if (!isValidOffset(offset))
-            continue;
-        if (attributes & (ReadOnly | Accessor))
-            return true;
-        return false;
-    }
-    return false;
-}
-
-bool IntendedStructureChain::isNormalized()
-{
-    if (m_head->typeInfo().type() == ProxyType)
-        return false;
-    for (unsigned i = 0; i < m_vector.size(); ++i) {
-        Structure* structure = m_vector[i];
-        if (structure->typeInfo().type() == ProxyType)
-            return false;
-        if (structure->isDictionary())
-            return false;
-    }
-    return true;
-}
-
-JSObject* IntendedStructureChain::terminalPrototype() const
-{
-    ASSERT(!m_vector.isEmpty());
-    if (m_vector.size() == 1)
-        return asObject(m_head->prototypeForLookup(m_globalObject));
-    return asObject(m_vector[m_vector.size() - 2]->storedPrototype());
-}
-
-} // namespace JSC
-