Imported WebKit commit 2ea9d364d0f6efa8fa64acf19f451504c59be0e4 (http://svn.webkit.org/repository/webkit/trunk@104285)

1 files changed, 81 insertions, 0 deletions

diff --git a/Source/JavaScriptCore/runtime/InternalFunction.cpp b/Source/JavaScriptCore/runtime/InternalFunction.cpp
new file mode 100644
index 000000000..50ea504c1
--- /dev/null
+++ b/Source/JavaScriptCore/runtime/InternalFunction.cpp
@@ -0,0 +1,81 @@
+/*
+ *  Copyright (C) 1999-2002 Harri Porten (porten@kde.org)
+ *  Copyright (C) 2001 Peter Kelly (pmk@post.com)
+ *  Copyright (C) 2004, 2007, 2008 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
+ *  License as published by the Free Software Foundation; either
+ *  version 2 of the License, or (at your option) any later version.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Library General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Library General Public License
+ *  along with this library; see the file COPYING.LIB.  If not, write to
+ *  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ *  Boston, MA 02110-1301, USA.
+ *
+ */
+
+#include "config.h"
+#include "InternalFunction.h"
+
+#include "FunctionPrototype.h"
+#include "JSGlobalObject.h"
+#include "JSString.h"
+
+namespace JSC {
+
+ASSERT_CLASS_FITS_IN_CELL(InternalFunction);
+ASSERT_HAS_TRIVIAL_DESTRUCTOR(InternalFunction);
+
+const ClassInfo InternalFunction::s_info = { "Function", &JSNonFinalObject::s_info, 0, 0, CREATE_METHOD_TABLE(InternalFunction) };
+
+InternalFunction::InternalFunction(JSGlobalObject* globalObject, Structure* structure)
+    : JSNonFinalObject(globalObject->globalData(), structure)
+{
+}
+
+void InternalFunction::finishCreation(JSGlobalData& globalData, const Identifier& name)
+{
+    Base::finishCreation(globalData);
+    ASSERT(inherits(&s_info));
+    ASSERT(methodTable()->getCallData != InternalFunction::s_info.methodTable.getCallData);
+    putDirect(globalData, globalData.propertyNames->name, jsString(&globalData, name.isNull() ? "" : name.ustring()), DontDelete | ReadOnly | DontEnum);
+}
+
+const UString& InternalFunction::name(ExecState* exec)
+{
+    return asString(getDirect(exec->globalData(), exec->globalData().propertyNames->name))->tryGetValue();
+}
+
+const UString InternalFunction::displayName(ExecState* exec)
+{
+    JSValue displayName = getDirect(exec->globalData(), exec->globalData().propertyNames->displayName);
+    
+    if (displayName && isJSString(displayName))
+        return asString(displayName)->tryGetValue();
+    
+    return UString();
+}
+
+CallType InternalFunction::getCallData(JSCell*, CallData&)
+{
+    ASSERT_NOT_REACHED();
+    return CallTypeNone;
+}
+
+const UString InternalFunction::calculatedDisplayName(ExecState* exec)
+{
+    const UString explicitName = displayName(exec);
+    
+    if (!explicitName.isEmpty())
+        return explicitName;
+    
+    return name(exec);
+}
+
+} // namespace JSC