From d441d6f39bb846989d95bcf5caf387b42414718d Mon Sep 17 00:00:00 2001
From: Allan Sandfeld Jensen <allan.jensen@digia.com>
Date: Fri, 13 Sep 2013 12:51:20 +0200
Subject: Import Qt5x2 branch of QtWebkit for Qt 5.2

Importing a new snapshot of webkit.

Change-Id: I2d01ad12cdc8af8cb015387641120a9d7ea5f10c
Reviewed-by: Allan Sandfeld Jensen <allan.jensen@digia.com>
---
 Source/JavaScriptCore/runtime/SmallStrings.cpp | 32 ++++++++++++++++++--------
 1 file changed, 23 insertions(+), 9 deletions(-)

(limited to 'Source/JavaScriptCore/runtime/SmallStrings.cpp')

diff --git a/Source/JavaScriptCore/runtime/SmallStrings.cpp b/Source/JavaScriptCore/runtime/SmallStrings.cpp
index 56a359279..5f35cca5e 100644
--- a/Source/JavaScriptCore/runtime/SmallStrings.cpp
+++ b/Source/JavaScriptCore/runtime/SmallStrings.cpp
@@ -29,6 +29,7 @@
 #include "HeapRootVisitor.h"
 #include "JSGlobalObject.h"
 #include "JSString.h"
+#include "Operations.h"
 #include <wtf/Noncopyable.h>
 #include <wtf/PassOwnPtr.h>
 #include <wtf/text/StringImpl.h>
@@ -80,6 +81,22 @@ SmallStrings::SmallStrings()
         m_singleCharacterStrings[i] = 0;
 }
 
+void SmallStrings::initializeCommonStrings(VM& vm)
+{
+    createEmptyString(&vm);
+#define JSC_COMMON_STRINGS_ATTRIBUTE_INITIALIZE(name) initialize(&vm, m_##name, #name);
+    JSC_COMMON_STRINGS_EACH_NAME(JSC_COMMON_STRINGS_ATTRIBUTE_INITIALIZE)
+#undef JSC_COMMON_STRINGS_ATTRIBUTE_INITIALIZE
+}
+
+void SmallStrings::visitStrongReferences(SlotVisitor& visitor)
+{
+    visitor.appendUnbarrieredPointer(&m_emptyString);
+#define JSC_COMMON_STRINGS_ATTRIBUTE_VISIT(name) visitor.appendUnbarrieredPointer(&m_##name);
+    JSC_COMMON_STRINGS_EACH_NAME(JSC_COMMON_STRINGS_ATTRIBUTE_VISIT)
+#undef JSC_COMMON_STRINGS_ATTRIBUTE_VISIT
+}
+
 SmallStrings::~SmallStrings()
 {
 }
@@ -89,23 +106,20 @@ void SmallStrings::finalizeSmallStrings()
     finalize(m_emptyString);
     for (unsigned i = 0; i < singleCharacterStringCount; ++i)
         finalize(m_singleCharacterStrings[i]);
-#define JSC_COMMON_STRINGS_ATTRIBUTE_FINALIZE(name) finalize(m_##name);
-    JSC_COMMON_STRINGS_EACH_NAME(JSC_COMMON_STRINGS_ATTRIBUTE_FINALIZE)
-#undef JSC_COMMON_STRINGS_ATTRIBUTE_FINALIZE
 }
 
-void SmallStrings::createEmptyString(JSGlobalData* globalData)
+void SmallStrings::createEmptyString(VM* vm)
 {
     ASSERT(!m_emptyString);
-    m_emptyString = JSString::createHasOtherOwner(*globalData, StringImpl::empty());
+    m_emptyString = JSString::createHasOtherOwner(*vm, StringImpl::empty());
 }
 
-void SmallStrings::createSingleCharacterString(JSGlobalData* globalData, unsigned char character)
+void SmallStrings::createSingleCharacterString(VM* vm, unsigned char character)
 {
     if (!m_storage)
         m_storage = adoptPtr(new SmallStringsStorage);
     ASSERT(!m_singleCharacterStrings[character]);
-    m_singleCharacterStrings[character] = JSString::createHasOtherOwner(*globalData, PassRefPtr<StringImpl>(m_storage->rep(character)));
+    m_singleCharacterStrings[character] = JSString::createHasOtherOwner(*vm, PassRefPtr<StringImpl>(m_storage->rep(character)));
 }
 
 StringImpl* SmallStrings::singleCharacterStringRep(unsigned char character)
@@ -115,9 +129,9 @@ StringImpl* SmallStrings::singleCharacterStringRep(unsigned char character)
     return m_storage->rep(character);
 }
 
-void SmallStrings::initialize(JSGlobalData* globalData, JSString*& string, const char* value) const
+void SmallStrings::initialize(VM* vm, JSString*& string, const char* value) const
 {
-    string = JSString::create(*globalData, StringImpl::create(value));
+    string = JSString::create(*vm, StringImpl::create(value));
 }
 
 } // namespace JSC
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