gencpp/project/dependencies/header_start.hpp

#pragma region Platform Detection

/* Platform architecture */

#if defined( _WIN64 ) || defined( __x86_64__ ) || defined( _M_X64 ) || defined( __64BIT__ ) || defined( __powerpc64__ ) || defined( __ppc64__ ) || defined( __aarch64__ )
#	ifndef GEN_ARCH_64_BIT
#		define GEN_ARCH_64_BIT 1
#	endif
#else
#	ifndef GEN_ARCH_32_BItxt_StrCaT
#		define GEN_ARCH_32_BIT 1
#	endif
#endif

/* Platform OS */

#if defined( _WIN32 ) || defined( _WIN64 )
#	ifndef GEN_SYSTEM_WINDOWS
#		define GEN_SYSTEM_WINDOWS 1
#	endif
#elif defined( __APPLE__ ) && defined( __MACH__ )
#	ifndef GEN_SYSTEM_OSX
#		define GEN_SYSTEM_OSX 1
#	endif
#	ifndef GEN_SYSTEM_MACOS
#		define GEN_SYSTEM_MACOS 1
#	endif
#	include <TargetConditionals.h>
#	if TARGET_IPHONE_SIMULATOR == 1 || TARGET_OS_IPHONE == 1
#		ifndef GEN_SYSTEM_IOS
#			define GEN_SYSTEM_IOS 1
#		endif
#	endif
#elif defined( __unix__ )
#	ifndef GEN_SYSTEM_UNIX
#		define GEN_SYSTEM_UNIX 1
#	endif
#	if defined( ANDROID ) || defined( __ANDROID__ )
#		ifndef GEN_SYSTEM_ANDROID
#			define GEN_SYSTEM_ANDROID 1
#		endif
#		ifndef GEN_SYSTEM_LINUX
#			define GEN_SYSTEM_LINUX 1
#		endif
#	elif defined( __linux__ )
#		ifndef GEN_SYSTEM_LINUX
#			define GEN_SYSTEM_LINUX 1
#		endif
#	elif defined( __FreeBSD__ ) || defined( __FreeBSD_kernel__ )
#		ifndef GEN_SYSTEM_FREEBSD
#			define GEN_SYSTEM_FREEBSD 1
#		endif
#	elif defined( __OpenBSD__ )
#		ifndef GEN_SYSTEM_OPENBSD
#			define GEN_SYSTEM_OPENBSD 1
#		endif
#	elif defined( __EMSCRIPTEN__ )
#		ifndef GEN_SYSTEM_EMSCRIPTEN
#			define GEN_SYSTEM_EMSCRIPTEN 1
#		endif
#	elif defined( __CYGWIN__ )
#		ifndef GEN_SYSTEM_CYGWIN
#			define GEN_SYSTEM_CYGWIN 1
#		endif
#	else
#		error This UNIX operating system is not supported
#	endif
#else
#	error This operating system is not supported
#endif

/* Platform compiler */

#if defined( _MSC_VER )
#	define GEN_COMPILER_MSVC 1
#elif defined( __GNUC__ )
#	define GEN_COMPILER_GCC 1
#elif defined( __clang__ )
#	define GEN_COMPILER_CLANG 1
#elif defined( __MINGW32__ )
#	define GEN_COMPILER_MINGW 1
#	error Unknown compiler
#endif

#if defined( __has_attribute )
#	define GEN_HAS_ATTRIBUTE( attribute ) __has_attribute( attribute )
#else
#	define GEN_HAS_ATTRIBUTE( attribute ) ( 0 )
#endif

#if defined(GEN_GCC_VERSION_CHECK)
#  undef GEN_GCC_VERSION_CHECK
#endif
#if defined(GEN_GCC_VERSION)
#  define GEN_GCC_VERSION_CHECK(major,minor,patch) (GEN_GCC_VERSION >= GEN_VERSION_ENCODE(major, minor, patch))
#else
#  define GEN_GCC_VERSION_CHECK(major,minor,patch) (0)
#endif

#define GEN_DEF_INLINE  static
#define GEN_IMPL_INLINE static inline

#ifdef GEN_COMPILER_MSVC
#	define forceinline __forceinline
#	define neverinline __declspec( noinline )
#elif defined(GEN_COMPILER_GCC)
#	define forceinline inline __attribute__((__always_inline__))
#	define neverinline __attribute__( ( __noinline__ ) )
#elif defined(GEN_COMPILER_CLANG)
#if __has_attribute(__always_inline__)
#	define forceinline inline __attribute__((__always_inline__))
#	define neverinline __attribute__( ( __noinline__ ) )
#else
#	define forceinline
#	define neverinline
#endif
#else
#	define forceinline
#	define neverinline
#endif

#pragma endregion Platform Detection

#pragma region Mandatory Includes

#	include <stdarg.h>
#	include <stddef.h>

#	if defined( GEN_SYSTEM_WINDOWS )
#		include <intrin.h>
#	endif

#pragma endregion Mandatory Includes

#ifdef GEN_DONT_USE_NAMESPACE
#	define GEN_NS_BEGIN
#	define GEN_NS_END
#else
#	define GEN_NS_BEGIN namespace gen {
#	define GEN_NS_END   }
#endif