1 files changed, 26 insertions, 40 deletions

diff --git a/src/3rdparty/webkit/JavaScriptCore/runtime/JSString.cpp b/src/3rdparty/webkit/JavaScriptCore/runtime/JSString.cpp
index 86f95e0db..20ba8684f 100644
--- a/src/3rdparty/webkit/JavaScriptCore/runtime/JSString.cpp
+++ b/src/3rdparty/webkit/JavaScriptCore/runtime/JSString.cpp
@@ -103,54 +103,40 @@ bool JSString::getOwnPropertySlot(ExecState* exec, const Identifier& propertyNam
     return true;
 }
 
-bool JSString::getOwnPropertySlot(ExecState* exec, unsigned propertyName, PropertySlot& slot)
+bool JSString::getStringPropertyDescriptor(ExecState* exec, const Identifier& propertyName, PropertyDescriptor& descriptor)
 {
-    // The semantics here are really getPropertySlot, not getOwnPropertySlot.
-    // This function should only be called by JSValue::get.
-    if (getStringPropertySlot(exec, propertyName, slot))
+    if (propertyName == exec->propertyNames().length) {
+        descriptor.setDescriptor(jsNumber(exec, m_value.size()), DontEnum | DontDelete | ReadOnly);
         return true;
-    return JSString::getOwnPropertySlot(exec, Identifier::from(exec, propertyName), slot);
-}
-
-JSString* jsString(JSGlobalData* globalData, const UString& s)
-{
-    int size = s.size();
-    if (!size)
-        return globalData->smallStrings.emptyString(globalData);
-    if (size == 1) {
-        UChar c = s.data()[0];
-        if (c <= 0xFF)
-            return globalData->smallStrings.singleCharacterString(globalData, c);
     }
-    return new (globalData) JSString(globalData, s);
-}
     
-JSString* jsSubstring(JSGlobalData* globalData, const UString& s, unsigned offset, unsigned length)
-{
-    ASSERT(offset <= static_cast<unsigned>(s.size()));
-    ASSERT(length <= static_cast<unsigned>(s.size()));
-    ASSERT(offset + length <= static_cast<unsigned>(s.size()));
-    if (!length)
-        return globalData->smallStrings.emptyString(globalData);
-    if (length == 1) {
-        UChar c = s.data()[offset];
-        if (c <= 0xFF)
-            return globalData->smallStrings.singleCharacterString(globalData, c);
+    bool isStrictUInt32;
+    unsigned i = propertyName.toStrictUInt32(&isStrictUInt32);
+    if (isStrictUInt32 && i < static_cast<unsigned>(m_value.size())) {
+        descriptor.setDescriptor(jsSingleCharacterSubstring(exec, m_value, i), DontDelete | ReadOnly);
+        return true;
     }
-    return new (globalData) JSString(globalData, UString::Rep::create(s.rep(), offset, length));
+    
+    return false;
 }
 
-JSString* jsOwnedString(JSGlobalData* globalData, const UString& s)
+bool JSString::getOwnPropertyDescriptor(ExecState* exec, const Identifier& propertyName, PropertyDescriptor& descriptor)
 {
-    int size = s.size();
-    if (!size)
-        return globalData->smallStrings.emptyString(globalData);
-    if (size == 1) {
-        UChar c = s.data()[0];
-        if (c <= 0xFF)
-            return globalData->smallStrings.singleCharacterString(globalData, c);
-    }
-    return new (globalData) JSString(globalData, s, JSString::HasOtherOwner);
+    if (getStringPropertyDescriptor(exec, propertyName, descriptor))
+        return true;
+    if (propertyName != exec->propertyNames().underscoreProto)
+        return false;
+    descriptor.setDescriptor(exec->lexicalGlobalObject()->stringPrototype(), DontEnum);
+    return true;
+}
+
+bool JSString::getOwnPropertySlot(ExecState* exec, unsigned propertyName, PropertySlot& slot)
+{
+    // The semantics here are really getPropertySlot, not getOwnPropertySlot.
+    // This function should only be called by JSValue::get.
+    if (getStringPropertySlot(exec, propertyName, slot))
+        return true;
+    return JSString::getOwnPropertySlot(exec, Identifier::from(exec, propertyName), slot);
 }
 
 } // namespace JSC