1 files changed, 22 insertions, 1 deletions
diff --git a/JavaScriptCore/runtime/ErrorInstance.cpp b/JavaScriptCore/runtime/ErrorInstance.cpp
index 1cdb87a..0f3153c 100644
--- a/JavaScriptCore/runtime/ErrorInstance.cpp
+++ b/JavaScriptCore/runtime/ErrorInstance.cpp
@@ -25,9 +25,30 @@ namespace JSC {
 
 const ClassInfo ErrorInstance::info = { "Error", 0, 0, 0 };
 
-ErrorInstance::ErrorInstance(NonNullPassRefPtr<Structure> structure)
+ErrorInstance::ErrorInstance(JSGlobalData* globalData, NonNullPassRefPtr<Structure> structure)
     : JSObject(structure)
+    , m_appendSourceToMessage(false)
 {
+    putDirect(globalData->propertyNames->message, jsString(globalData, ""));
+}
+
+ErrorInstance::ErrorInstance(JSGlobalData* globalData, NonNullPassRefPtr<Structure> structure, const UString& message)
+    : JSObject(structure)
+    , m_appendSourceToMessage(false)
+{
+    putDirect(globalData->propertyNames->message, jsString(globalData, message));
+}
+
+ErrorInstance* ErrorInstance::create(JSGlobalData* globalData, NonNullPassRefPtr<Structure> structure, const UString& message)
+{
+    return new (globalData) ErrorInstance(globalData, structure, message);
+}
+
+ErrorInstance* ErrorInstance::create(ExecState* exec, NonNullPassRefPtr<Structure> structure, JSValue message)
+{
+    if (message.isUndefined())
+        return new (exec) ErrorInstance(&exec->globalData(), structure);
+    return new (exec) ErrorInstance(&exec->globalData(), structure, message.toString(exec));
 }
 
 } // namespace JSC