JavaScriptCore-1218.tar.gz

[apple/javascriptcore.git] / runtime / NameInstance.h

diff --git a/runtime/NameInstance.h b/runtime/NameInstance.h
new file mode 100644 (file)
index 0000000..e5aa79d
--- /dev/null
+++ b/runtime/NameInstance.h
@@ -0,0 +1,77 @@
+/*
+ * Copyright (C) 2012 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 INC. AND ITS CONTRIBUTORS ``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 INC. OR ITS 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.
+ */
+
+#ifndef NameInstance_h
+#define NameInstance_h
+
+#include "JSDestructibleObject.h"
+#include "PrivateName.h"
+
+namespace JSC {
+
+class NameInstance : public JSDestructibleObject {
+public:
+    typedef JSDestructibleObject Base;
+
+    static const ClassInfo s_info;
+
+    static Structure* createStructure(VM& vm, JSGlobalObject* globalObject, JSValue prototype)
+    {
+        return Structure::create(vm, globalObject, prototype, TypeInfo(NameInstanceType, StructureFlags), &s_info);
+    }
+
+    static NameInstance* create(VM& vm, Structure* structure, JSString* nameString)
+    {
+        NameInstance* name = new (NotNull, allocateCell<NameInstance>(vm.heap)) NameInstance(vm, structure, nameString);
+        name->finishCreation(vm);
+        return name;
+    }
+
+    const PrivateName& privateName() { return m_privateName; }
+    JSString* nameString() { return m_nameString.get(); }
+
+protected:
+    static void destroy(JSCell*);
+
+    NameInstance(VM&, Structure*, JSString*);
+
+    void finishCreation(VM& vm)
+    {
+        Base::finishCreation(vm);
+        ASSERT(inherits(&s_info));
+    }
+
+    PrivateName m_privateName;
+    WriteBarrier<JSString> m_nameString;
+};
+
+inline bool isName(JSValue v)
+{
+    return v.isCell() && v.asCell()->structure()->typeInfo().isName();
+}
+
+} // namespace JSC
+
+#endif // NameInstance_h