xenia-canary/include/xenia/assert.h

73 lines
2.8 KiB
C

/**
******************************************************************************
* Xenia : Xbox 360 Emulator Research Project *
******************************************************************************
* Copyright 2013 Ben Vanik. All rights reserved. *
* Released under the BSD license - see LICENSE in the root for more details. *
******************************************************************************
*/
#ifndef XENIA_ASSERT_H_
#define XENIA_ASSERT_H_
#include <assert.h>
#include <xenia/assert.h>
#include <xenia/config.h>
#include <xenia/platform.h>
#include <xenia/platform_includes.h>
#include <xenia/types.h>
#if XE_COMPILER(MSVC)
// http://msdn.microsoft.com/en-us/library/b0084kay.aspx
#if !defined(__WFILE__)
#define WIDEN2(x) L##x
#define WIDEN(x) WIDEN2(x)
#define __WFILE__ WIDEN(__FILE__)
#define __WFUNCTION__ WIDEN(__FUNCTION__)
#endif
#define XE_CURRENT_FILE __WFILE__
#define XE_CURRENT_FUNCTION __WFUNCTION__
#else
#define XE_CURRENT_FILE __FILE__
#define XE_CURRENT_FUNCTION __FUNCTION__
#endif // MSVC
#define XE_CURRENT_LINE __LINE__
#define __XE_ASSERT(expr) assert(expr)
#if XE_OPTION(ENABLE_ASSERTS)
#define XEASSERTCORE(expr) __XE_ASSERT(expr)
#else
#define XEASSERTCORE(expr) XE_EMPTY_MACRO
#endif // ENABLE_ASSERTS
#define XEASSERTALWAYS() XEASSERTCORE( 0 )
#define XEASSERT(expr) XEASSERTCORE( (expr) )
#define XEASSERTTRUE(expr) XEASSERTCORE( (expr) )
#define XEASSERTFALSE(expr) XEASSERTCORE(!(expr) )
#define XEASSERTZERO(expr) XEASSERTCORE( (expr) == 0 )
#define XEASSERTNOTZERO(expr) XEASSERTCORE( (expr) != 0 )
#define XEASSERTNULL(expr) XEASSERTCORE( (expr) == NULL )
#define XEASSERTNOTNULL(expr) XEASSERTCORE( (expr) != NULL )
#if XE_COMPILER(MSVC)
// http://msdn.microsoft.com/en-us/library/bb918086.aspx
// TODO(benvanik): if 2010+, use static_assert?
// http://msdn.microsoft.com/en-us/library/dd293588.aspx
#define XESTATICASSERT(expr, message) _STATIC_ASSERT(expr)
//#elif XE_COMPILER(GNUC)
// http://stackoverflow.com/questions/3385515/static-assert-in-c
//#define XESTATICASSERT(expr, message) ({ extern int __attribute__((error("assertion failure: '" #expr "' not true - " #message))) compile_time_check(); ((expr)?0:compile_time_check()),0; })
#else
// http://stackoverflow.com/questions/3385515/static-assert-in-c
#define XESTATICASSERT3(expr, L) typedef char static_assertion_##L[(expr)?1:-1]
#define XESTATICASSERT2(expr, L) XESTATICASSERT3(expr, L)
#define XESTATICASSERT(expr, message) XESTATICASSERT2(expr, __LINE__)
#endif // MSVC
#endif // XENIA_ASSERT_H_