GHOST_Debug.hh

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/* SPDX-FileCopyrightText: 2001-2002 NaN Holding BV. All rights reserved.
 *
 * SPDX-License-Identifier: GPL-2.0-or-later */
 
#pragma once
 
#ifdef _MSC_VER
#  ifdef _DEBUG
/* Suppress STL-MSVC debug info warning. */
#    pragma warning(disable : 4786)
#  endif
#endif
 
#include <iostream>
#include <stdio.h> /* For `printf()`. */
 
#if defined(WITH_GHOST_DEBUG)
#  define GHOST_PRINT(x) \
    { \
      std::cout << x; \
    } \
    ((void)0)
#  define GHOST_PRINTF(x, ...) \
    { \
      printf(x, __VA_ARGS__); \
    } \
    ((void)0)
#else
/* Expand even when `WITH_GHOST_DEBUG` is disabled to prevent expressions
 * becoming invalid even when the option is disable. */
#  define GHOST_PRINT(x) \
    { \
      if (false) { \
        std::cout << x; \
      } \
    } \
    ((void)0)
#  define GHOST_PRINTF(x, ...) \
    { \
      if (false) { \
        printf(x, __VA_ARGS__); \
      } \
    } \
    ((void)0)
 
#endif /* `!defined(WITH_GHOST_DEBUG)` */
 
#ifdef WITH_ASSERT_ABORT
#  include <stdlib.h>  //for abort()
#  define GHOST_ASSERT(x, info) \
    { \
      if (!(x)) { \
        fprintf(stderr, "GHOST_ASSERT failed: "); \
        fprintf(stderr, info); \
        fprintf(stderr, "\n"); \
        abort(); \
      } \
    } \
    ((void)0)
/* Assert in non-release builds too. */
#elif defined(WITH_GHOST_DEBUG) || (!defined(NDEBUG))
#  define GHOST_ASSERT(x, info) \
    { \
      if (!(x)) { \
        GHOST_PRINT("GHOST_ASSERT failed: "); \
        GHOST_PRINT(info); \
        GHOST_PRINT("\n"); \
      } \
    } \
    ((void)0)
#else /* `defined(WITH_GHOST_DEBUG) || (!defined(NDEBUG))` */
#  define GHOST_ASSERT(x, info) ((void)0)
#endif /* `defined(WITH_GHOST_DEBUG) || (!defined(NDEBUG))` */