// with no error. If the token being delivered with this error is not nil,
// the token is the last token.
//
// The value is useful to stop processing early or when it is necessary to
// deliver a final empty token (which is different from a nil token).
// One could achieve the same behavior with a custom error value but
// providing one here is tidier.
// See the emptyFinalToken example for a use of this value.

		return 1, err
	}

	if goarch := os.Getenv("GOARCH"); goarch == "arm64" {
		err = runOnDevice(appdir)
	} else {
		err = runOnSimulator(appdir)
	}
	if err != nil {
		// If the lldb driver completed with an exit code, use that.
		if err, ok := err.(*exec.ExitError); ok {
			if ws, ok := err.Sys().(interface{ ExitStatus() int }); ok {
				return ws.ExitStatus(), nil
			}
		}
		return 1, err
	}