@Override
  public PsiExpression getDescriptorEvaluation(DebuggerContext context) throws EvaluateException {
    PsiElement evaluationCode = getEvaluationCode(context);
    if (evaluationCode instanceof PsiExpressionCodeFragment) {
      return ((PsiExpressionCodeFragment)evaluationCode).getExpression();
    }
    else {
      throw new EvaluateException(JavaDebuggerBundle.message("error.cannot.create.expression.from.code.fragment"), null);
    }
  }
@Override
  public PsiExpression getDescriptorEvaluation(DebuggerContext context)