/*
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * Copyright 2010-2019 Danny Robson <danny@nerdcruft.net>
 */

#pragma once


///////////////////////////////////////////////////////////////////////////////
// it is fractionally easier to define a constexpr variable which can be used
// in constexpr-if to enable/disable some codepaths rather than deal with
// macros in some scenarios. eg, templates are complicated enough without
// (more) macros.
#if !defined(NDEBUG)
    constexpr bool debug_enabled = true;
    constexpr bool assertions_enabled = true;
#else
    constexpr bool debug_enabled = false;
    constexpr bool assertions_enabled = false;
#endif

///----------------------------------------------------------------------------
/// enable some code only if assertions are enabled
///
/// explicitly does not use constexpr if to remove the code as some paths may
/// refer to variables which do not always exist, and current compiler
/// implementations are a little picky here.
#ifndef NDEBUG
    #include <iostream>
    #define DEBUG_ONLY(X) do { X; } while (0)
#else
    #define DEBUG_ONLY(X) do {  ; } while (0)
#endif


///////////////////////////////////////////////////////////////////////////////
#define EXIT_XSUCCESS        0
#define EXIT_XSKIP          77
#define EXIT_XHARD_ERROR    99