-- Simple debugging services.  Print something if the DEBUGLEVEL environment
-- variable is set to an integer value greater than zero.

-- Copyright (C)2021-2023, Philip Munts dba Munts Technologies.
--
-- Redistribution and use in source and binary forms, with or without
-- modification, are permitted provided that the following conditions are met:
--
-- * Redistributions of source code must retain the above copyright notice,
--   this list of conditions and the following disclaimer.
--
-- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
-- AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-- IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-- ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
-- LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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-- POSSIBILITY OF SUCH DAMAGE.

WITH Ada.Exceptions;

PACKAGE Debug IS

  -- Fetch the value of the DEBUGLEVEL environment variable

  FUNCTION Level RETURN Natural;

  -- Indicate if debug is enabled

  FUNCTION Enabled RETURN Boolean;

  -- Print a string if DEBUGLEVEL > 0

  PROCEDURE Put(s : String);

  -- Print information about an exception if DEBUGLEVEL > 0

  PROCEDURE Put(e : Ada.Exceptions.Exception_Occurrence);

END Debug;