//
// Copyright (c) 2011 Advanced Micro Devices, Inc. All rights reserved.
//

#ifndef MACROS_HPP_
#define MACROS_HPP_

#ifndef OPENCL_EXPORTS
# define OPENCL_EXPORTS 1
#endif // OPENCL_EXPORTS

#if defined(NDEBUG)
# define RELEASE 1
#else// !NDEBUG
# define ASSERT 1
# define DEBUG 1
#endif // !NDEBUG

#if defined(_WIN64) && !defined(_LP64)
# define _LP64 1
#endif

#if defined(_DEBUG) && !defined(DEBUG)
# define DEBUG 1
#endif // _DEBUG && !DEBUG

#if defined(DEBUG) && defined(RELEASE)
# error "Build Error: cannot have both -DDEBUG and -DRELEASE"
#endif /*DEBUG && RELEASE*/

#if !defined(DEBUG) && !defined(RELEASE)
# error "Build Error: must have either -DDEBUG or -DRELEASE"
#endif /*DEBUG && RELEASE*/

#ifdef DEBUG
# define DEBUG_ONLY(x) x
# define RELEASE_ONLY(x)
# define IS_DEBUG true
#else // !DEBUG
# define DEBUG_ONLY(x)
# define RELEASE_ONLY(x) x
# define IS_DEBUG false
#endif /*!DEBUG*/
#define DEBUG_SWITCH(d,r) DEBUG_ONLY(d)RELEASE_ONLY(r)
#define RELEASE_SWITCH(r,d) RELEASE_ONLY(r)DEBUG_ONLY(d)

//! \brief Make a c-string of __macro__
#define STR(__macro__) #__macro__
//! \brief Make a c-string of the expansion of __macro__
#define XSTR(__macro__) STR(__macro__)
//! \brief Concatenate 2 symbols
#define CONCAT(a,b) a##b
#define XCONCAT(a,b) CONCAT(a,b)


//! \cond ignore
#ifdef _LP64
# define LP64_ONLY(x) x
# define NOT_LP64(x)
#else // !_LP64
# define LP64_ONLY(x)
# define NOT_LP64(x) x
#endif /*!_LP64*/
#define LP64_SWITCH(lp32,lp64) NOT_LP64(lp32)LP64_ONLY(lp64)

#ifdef __linux__
# define IS_LINUX true
# define LINUX_ONLY(x) x
# define NOT_LINUX(x)
#else // !__linux__
# define LINUX_ONLY(x)
# define NOT_LINUX(x) x
#endif /*!__linux__*/

#ifdef __APPLE__
# define IS_MACOS true
# define MACOS_ONLY(x) x
# define NOT_MACOS(x)
#else // !__APPLE__
# define MACOS_ONLY(x)
# define NOT_MACOS(x) x
#endif /*!__APPLE__*/

#ifdef _WIN32
# define IS_WINDOWS true
# define WINDOWS_ONLY(x) x
# define NOT_WINDOWS(x)
#else // !_WIN32
# define WINDOWS_ONLY(x)
# define NOT_WINDOWS(x) x
#endif /*!_WIN32*/

#ifdef _WIN64
# define WIN64_ONLY(x) x
# define NOT_WIN64(x)
#else // !_WIN64
# define WIN64_ONLY(x)
# define NOT_WIN64(x) x
#endif /*!_WIN64*/

#ifndef IS_LINUX
# define IS_LINUX false
#endif
#ifndef IS_MACOS
# define IS_MACOS false
#endif
#ifndef IS_WINDOWS
# define IS_WINDOWS false
#endif

#define IF_LEFT_true(x) x
#define IF_LEFT_false(x)
#define IF_RIGHT_true(x) 
#define IF_RIGHT_false(x) x

#define IF_LEFT(cond,x) IF_LEFT_##cond(x)
#define IF_RIGHT(cond,x) IF_RIGHT_##cond(x)
#define IF(cond,x,y) IF_LEFT(cond,x)IF_RIGHT(cond,y)

#define LINUX_SWITCH(x,other) LINUX_ONLY(x)NOT_LINUX(other)
#define MACOS_SWITCH(x,other) MACOS_ONLY(x)NOT_MACOS(other)
#define WINDOWS_SWITCH(x,other) WINDOWS_ONLY(x)NOT_WINDOWS(other)

#ifdef OPENCL_MAINLINE
# define IS_MAINLINE true
#else // OPENCL_STAGING
# define IS_MAINLINE false
#endif

#ifdef OPTIMIZED
# define OPTIMIZED_ONLY(x) x
# define NOT_OPTIMIZED(x)
# define IS_OPTIMIZED true
#else
# define OPTIMIZED_ONLY(x)
# define NOT_OPTIMIZED(x) x
# define IS_OPTIMIZED false
#endif

#if defined(__GNUC__)
# define __ALIGNED__(x) __attribute__((aligned(x)))
#elif defined(_MSC_VER)
# define __ALIGNED__(x) __declspec(align(x))
#elif defined(RC_INVOKED)
# define __ALIGNED__(x)
#else
# error
#endif /*_MSC_VER*/

#if defined(__GNUC__)
# define likely(cond)   __builtin_expect(!!(cond), 1)
# define unlikely(cond) __builtin_expect(!!(cond), 0)
#else // !__GNUC__
# define likely(cond)   (cond)
# define unlikely(cond) (cond)
#endif // !__GNUC__

#if defined(__GNUC__)
# define NOINLINE __attribute__((noinline))
# define ALWAYSINLINE __attribute__ ((always_inline))
#elif defined(_MSC_VER)
# define NOINLINE __declspec(noinline)
# define ALWAYSINLINE __forceinline
#else // !_MSC_VER
# define NOINLINE
# define ALWAYSINLINE
#endif // !_MSC_VER

#ifdef BRAHMA
# define IS_BRAHMA true
#else
# define IS_BRAHMA false
#endif

//! \endcond

#endif // MACROS_HPP_