webkitgtk-2.4.11webkitgtk-2.4.11

1 files changed, 11 insertions, 38 deletions

diff --git a/Source/JavaScriptCore/runtime/GetterSetter.cpp b/Source/JavaScriptCore/runtime/GetterSetter.cpp
index 2cd66e5cd..21a7153c0 100644
--- a/Source/JavaScriptCore/runtime/GetterSetter.cpp
+++ b/Source/JavaScriptCore/runtime/GetterSetter.cpp
@@ -1,7 +1,7 @@
 /*
  *  Copyright (C) 1999-2002 Harri Porten (porten@kde.org)
  *  Copyright (C) 2001 Peter Kelly (pmk@post.com)
- *  Copyright (C) 2004, 2007, 2008, 2009, 2014 Apple Inc. All rights reserved.
+ *  Copyright (C) 2004, 2007, 2008, 2009 Apple Inc. All rights reserved.
  *
  *  This library is free software; you can redistribute it and/or
  *  modify it under the terms of the GNU Library General Public
@@ -24,84 +24,57 @@
 #include "GetterSetter.h"
 
 #include "Error.h"
-#include "Exception.h"
 #include "JSObject.h"
-#include "JSCInlines.h"
+#include "Operations.h"
 #include <wtf/Assertions.h>
 
 namespace JSC {
 
 STATIC_ASSERT_IS_TRIVIALLY_DESTRUCTIBLE(GetterSetter);
 
-const ClassInfo GetterSetter::s_info = { "GetterSetter", 0, 0, CREATE_METHOD_TABLE(GetterSetter) };
+const ClassInfo GetterSetter::s_info = { "GetterSetter", 0, 0, 0, CREATE_METHOD_TABLE(GetterSetter) };
 
 void GetterSetter::visitChildren(JSCell* cell, SlotVisitor& visitor)
 {
     GetterSetter* thisObject = jsCast<GetterSetter*>(cell);
     ASSERT_GC_OBJECT_INHERITS(thisObject, info());
+    ASSERT(thisObject->structure()->typeInfo().overridesVisitChildren());
     JSCell::visitChildren(thisObject, visitor);
 
     visitor.append(&thisObject->m_getter);
     visitor.append(&thisObject->m_setter);
 }
 
-GetterSetter* GetterSetter::withGetter(VM& vm, JSGlobalObject* globalObject, JSObject* newGetter)
-{
-    if (isGetterNull()) {
-        setGetter(vm, globalObject, newGetter);
-        return this;
-    }
-    
-    GetterSetter* result = GetterSetter::create(vm, globalObject);
-    result->setGetter(vm, globalObject, newGetter);
-    result->setSetter(vm, globalObject, setter());
-    return result;
-}
-
-GetterSetter* GetterSetter::withSetter(VM& vm, JSGlobalObject* globalObject, JSObject* newSetter)
-{
-    if (isSetterNull()) {
-        setSetter(vm, globalObject, newSetter);
-        return this;
-    }
-    
-    GetterSetter* result = GetterSetter::create(vm, globalObject);
-    result->setGetter(vm, globalObject, getter());
-    result->setSetter(vm, globalObject, newSetter);
-    return result;
-}
-
 JSValue callGetter(ExecState* exec, JSValue base, JSValue getterSetter)
 {
     // FIXME: Some callers may invoke get() without checking for an exception first.
     // We work around that by checking here.
     if (exec->hadException())
-        return exec->exception()->value();
+        return exec->exception();
 
     JSObject* getter = jsCast<GetterSetter*>(getterSetter)->getter();
+    if (!getter)
+        return jsUndefined();
 
     CallData callData;
-    CallType callType = getter->methodTable(exec->vm())->getCallData(getter, callData);
+    CallType callType = getter->methodTable()->getCallData(getter, callData);
     return call(exec, getter, callType, callData, base, ArgList());
 }
 
 void callSetter(ExecState* exec, JSValue base, JSValue getterSetter, JSValue value, ECMAMode ecmaMode)
 {
-    GetterSetter* getterSetterObj = jsCast<GetterSetter*>(getterSetter);
-
-    if (getterSetterObj->isSetterNull()) {
+    JSObject* setter = jsCast<GetterSetter*>(getterSetter)->setter();
+    if (!setter) {
         if (ecmaMode == StrictMode)
             throwTypeError(exec, StrictModeReadonlyPropertyWriteError);
         return;
     }
 
-    JSObject* setter = getterSetterObj->setter();
-
     MarkedArgumentBuffer args;
     args.append(value);
 
     CallData callData;
-    CallType callType = setter->methodTable(exec->vm())->getCallData(setter, callData);
+    CallType callType = setter->methodTable()->getCallData(setter, callData);
     call(exec, setter, callType, callData, base, args);
 }