code: public static Object getLocalVar(ExecutionContext context, String name) {
          LexicalEnvironment localEnv = context.getLexicalEnvironment();
          if (localEnv.getRecord().hasBinding(context, name)) {
              return localEnv.getRecord().getBindingValue(context, name, false);
          }
          return null;
      }
docs: A convenience for module providers. Gets a scoped variable from
  the provided ExecutionContext
  @param context The context to search for name
  @param name The name of the variable
  @return The value of the variable