JavaScriptCore-576.tar.gz

[apple/javascriptcore.git] / API / JSCallbackConstructor.cpp

diff --git a/API/JSCallbackConstructor.cpp b/API/JSCallbackConstructor.cpp
index e10733e8214812646f3e0e6ad7b9326221abe7af..9c5f6d73e6e1ab66503fd177f6817400a399335b 100644 (file)
--- a/API/JSCallbackConstructor.cpp
+++ b/API/JSCallbackConstructor.cpp
@@ -26,6 +26,7 @@
 #include "config.h"
 #include "JSCallbackConstructor.h"
 
+#include "APIShims.h"
 #include "APICast.h"
 #include <runtime/JSGlobalObject.h>
 #include <runtime/JSLock.h>
@@ -36,7 +37,7 @@ namespace JSC {
 
 const ClassInfo JSCallbackConstructor::info = { "CallbackConstructor", 0, 0, 0 };
 
-JSCallbackConstructor::JSCallbackConstructor(PassRefPtr<Structure> structure, JSClassRef jsClass, JSObjectCallAsConstructorCallback callback)
+JSCallbackConstructor::JSCallbackConstructor(NonNullPassRefPtr<Structure> structure, JSClassRef jsClass, JSObjectCallAsConstructorCallback callback)
     : JSObject(structure)
     , m_class(jsClass)
     , m_callback(callback)
@@ -61,10 +62,17 @@ static JSObject* constructJSCallback(ExecState* exec, JSObject* constructor, con
         int argumentCount = static_cast<int>(args.size());
         Vector<JSValueRef, 16> arguments(argumentCount);
         for (int i = 0; i < argumentCount; i++)
-            arguments[i] = toRef(args.at(exec, i));
-            
-        JSLock::DropAllLocks dropAllLocks(exec);
-        return toJS(callback(ctx, constructorRef, argumentCount, arguments.data(), toRef(exec->exceptionSlot())));
+            arguments[i] = toRef(exec, args.at(i));
+
+        JSValueRef exception = 0;
+        JSObjectRef result;
+        {
+            APICallbackShim callbackShim(exec);
+            result = callback(ctx, constructorRef, argumentCount, arguments.data(), &exception);
+        }
+        if (exception)
+            exec->setException(toJS(exec, exception));
+        return toJS(result);
     }
     
     return toJS(JSObjectMake(ctx, static_cast<JSCallbackConstructor*>(constructor)->classRef(), 0));