xpcconvert.cpp

// static
nsresult
XPCConvert::JSErrorToXPCException(XPCCallContext& ccx,
                                  const char* message,
                                  const char* ifaceName,
                                  const char* methodName,
                                  const JSErrorReport* report,
                                  nsIException** exceptn)
{
    nsresult rv = NS_ERROR_FAILURE;
    nsScriptError* data;
    if(report)
    {
        nsAutoString bestMessage;
        if(report && report->ucmessage)
        {
            bestMessage = (const PRUnichar *)report->ucmessage;
        }
        else if(message)
        {
            bestMessage.AssignWithConversion(message);
        }
        else
        {
            bestMessage.AssignLiteral("JavaScript Error");
        }

        data = new nsScriptError();
        if(!data)
            return NS_ERROR_OUT_OF_MEMORY;

        NS_ADDREF(data);

        // START: new code by me
        PRUint64 windowID = 0;

        JSContext * cx = ccx.GetJSContext();

        nsIScriptContext *dynamicContext =
          nsJSUtils::GetDynamicScriptContext(cx);
        if (dynamicContext) {
          nsIScriptGlobalObject *globalObject =
            dynamicContext->GetGlobalObject();
          if (globalObject) {
            nsCOMPtr<nsPIDOMWindow> win = do_QueryInterface(globalObject);
            if (win) {
              windowID = win->WindowID();
            }
          }
        }

        nsIScriptError2* data2 = do_QueryObject(data);
        if (data2) {
          data2->InitWithWindowID(bestMessage.get(),
                                  NS_ConvertASCIItoUTF16(report->filename).get(),
                                  (const PRUnichar *)report->uclinebuf, report->lineno,
                                  report->uctokenptr - report->uclinebuf, report->flags,
                                  "XPConnect JavaScript", windowID);
        } else {
          // END: new code by me
          data->Init(bestMessage.get(),
                     NS_ConvertASCIItoUTF16(report->filename).get(),
                     (const PRUnichar *)report->uclinebuf, report->lineno,
                     report->uctokenptr - report->uclinebuf, report->flags,
                     "XPConnect JavaScript");
        }
    }
    else
        data = nsnull;

    if(data)
    {
        nsCAutoString formattedMsg;
        data->ToString(formattedMsg);

        rv = ConstructException(NS_ERROR_XPC_JAVASCRIPT_ERROR_WITH_DETAILS,
                                formattedMsg.get(), ifaceName, methodName,
                                static_cast<nsIScriptError*>(data),
                                exceptn, nsnull, nsnull);

        NS_RELEASE(data);
    }
    else
    {
        rv = ConstructException(NS_ERROR_XPC_JAVASCRIPT_ERROR,
                                nsnull, ifaceName, methodName, nsnull,
                                exceptn, nsnull, nsnull);
    }
    return rv;
}