1 files changed, 65 insertions, 0 deletions
diff --git a/Source/JavaScriptCore/runtime/ErrorPrototype.cpp b/Source/JavaScriptCore/runtime/ErrorPrototype.cpp
new file mode 100644
index 0000000..d18e7d8
--- /dev/null
+++ b/Source/JavaScriptCore/runtime/ErrorPrototype.cpp
@@ -0,0 +1,65 @@
+/*
+ *  Copyright (C) 1999-2000 Harri Porten (porten@kde.org)
+ *  Copyright (C) 2003, 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 Lesser 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
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ */
+
+#include "config.h"
+#include "ErrorPrototype.h"
+
+#include "JSFunction.h"
+#include "JSString.h"
+#include "JSStringBuilder.h"
+#include "ObjectPrototype.h"
+#include "PrototypeFunction.h"
+#include "UString.h"
+
+namespace JSC {
+
+ASSERT_CLASS_FITS_IN_CELL(ErrorPrototype);
+
+static EncodedJSValue JSC_HOST_CALL errorProtoFuncToString(ExecState*);
+
+// ECMA 15.9.4
+ErrorPrototype::ErrorPrototype(ExecState* exec, JSGlobalObject* globalObject, NonNullPassRefPtr<Structure> structure, Structure* prototypeFunctionStructure)
+    : ErrorInstance(&exec->globalData(), structure)
+{
+    // The constructor will be added later in ErrorConstructor's constructor
+
+    putDirectWithoutTransition(exec->propertyNames().name, jsNontrivialString(exec, "Error"), DontEnum);
+    putDirectFunctionWithoutTransition(exec, new (exec) NativeFunctionWrapper(exec, globalObject, prototypeFunctionStructure, 0, exec->propertyNames().toString, errorProtoFuncToString), DontEnum);
+}
+
+EncodedJSValue JSC_HOST_CALL errorProtoFuncToString(ExecState* exec)
+{
+    JSObject* thisObj = exec->hostThisValue().toThisObject(exec);
+    JSValue name = thisObj->get(exec, exec->propertyNames().name);
+    JSValue message = thisObj->get(exec, exec->propertyNames().message);
+
+    // Mozilla-compatible format.
+
+    if (!name.isUndefined()) {
+        if (!message.isUndefined())
+            return JSValue::encode(jsMakeNontrivialString(exec, name.toString(exec), ": ", message.toString(exec)));
+        return JSValue::encode(jsNontrivialString(exec, name.toString(exec)));
+    }
+    if (!message.isUndefined())
+        return JSValue::encode(jsMakeNontrivialString(exec, "Error: ", message.toString(exec)));
+    return JSValue::encode(jsNontrivialString(exec, "Error"));
+}
+
+} // namespace JSC