text: /*
  Copyright (c) 2013 Microsoft Corporation. All rights reserved.
  Released under Apache 2.0 license as described in the file LICENSE.
  
  Author: Leonardo de Moura
  */
  #pragma once
  #include "util/exception.h"
  #include "kernel/pos_info_provider.h"
  #include "library/io_state_stream.h"
  
  namespace lean {
  /**
     \brief Display position information associated with \c e (IF avaiable).
     If it is not available, it just displays "error:"
  */
  void display_error_pos(io_state_stream const & ios, pos_info_provider const * p, expr const & e);
  /**
     \brief Display exception in the regular stream of \c ios, using the configuration options and formatter from \c ios.
     Exceptions that contain expressions use the given \c pos_info_provider (if available) to retrieve line number information.
  */
  void display_error(io_state_stream const & ios, pos_info_provider const * p, exception const & ex);
  }
  