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#ifndef NALL_INTRINSICS_HPP
#define NALL_INTRINSICS_HPP
namespace nall {
struct Intrinsics {
enum class Compiler : unsigned { Clang, GCC, VisualCPP, Unknown };
enum class Platform : unsigned { Windows, MacOSX, X, Unknown }; //X = Linux, BSD, etc
enum class Architecture : unsigned { x86, amd64, ARM, Unknown };
enum class Endian : unsigned { LSB, MSB, Unknown };
static inline Compiler compiler();
static inline Platform platform();
static inline Architecture architecture();
static inline Endian endian();
};
/* Compiler detection */
#if defined(__clang__)
#define COMPILER_CLANG
Intrinsics::Compiler Intrinsics::compiler() { return Intrinsics::Compiler::Clang; }
#elif defined(__GNUC__)
#define COMPILER_GCC
Intrinsics::Compiler Intrinsics::compiler() { return Intrinsics::Compiler::GCC; }
#elif defined(_MSC_VER)
#define COMPILER_VISUALCPP
Intrinsics::Compiler Intrinsics::compiler() { return Intrinsics::Compiler::VisualCPP; }
#else
#warning "unable to detect compiler"
#define COMPILER_UNKNOWN
Intrinsics::Compiler Intrinsics::compiler() { return Intrinsics::Compiler::Unknown; }
#endif
/* Platform detection */
#if defined(_WIN32)
#define PLATFORM_WINDOWS
Intrinsics::Platform Intrinsics::platform() { return Intrinsics::Platform::Windows; }
#elif defined(__APPLE__)
#define PLATFORM_MACOSX
Intrinsics::Platform Intrinsics::platform() { return Intrinsics::Platform::MacOSX; }
#elif defined(linux) || defined(__linux__) || defined(__sun__) || defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__GNU__)
#define PLATFORM_X
Intrinsics::Platform Intrinsics::platform() { return Intrinsics::Platform::X; }
#else
#warning "unable to detect platform"
#define PLATFORM_UNKNOWN
Intrinsics::Platform Intrinsics::platform() { return Intrinsics::Platform::Unknown; }
#endif
/* Architecture Detection */
#if defined(__i386__) || defined(_M_IX86)
#define ARCH_X86
Intrinsics::Architecture Intrinsics::architecture() { return Intrinsics::Architecture::x86; }
#elif defined(__amd64__) || defined(_M_AMD64)
#define ARCH_AMD64
Intrinsics::Architecture Intrinsics::architecture() { return Intrinsics::Architecture::amd64; }
#elif defined(__arm__) || defined(__ARM_EABI__)
#define ARCH_ARM
Intrinsics::Architecture Intrinsics::architecture() { return Intrinsics::Architecture::ARM; }
#else
#warning "unable to detect architecture"
#define ARCH_UNKNOWN
Intrinsics::Architecture Intrinsics::architecture() { return Intrinsics::Architecture::Unknown; }
#endif
/* Endian detection */
#if (defined(__BYTE_ORDER) && defined(__LITTLE_ENDIAN) && __BYTE_ORDER == __LITTLE_ENDIAN) || defined(__LITTLE_ENDIAN__) || defined(__i386__) || defined(__amd64__) || defined(_M_IX86) || defined(_M_AMD64) || defined(__ARM_EABI__) || defined(__arm__)
#define ENDIAN_LSB
Intrinsics::Endian Intrinsics::endian() { return Intrinsics::Endian::LSB; }
#elif (defined(__BYTE_ORDER) && defined(__BIG_ENDIAN) && __BYTE_ORDER == __BIG_ENDIAN) || defined(__BIG_ENDIAN__) || defined(__powerpc__) || defined(_M_PPC)
#define ENDIAN_MSB
Intrinsics::Endian Intrinsics::endian() { return Intrinsics::Endian::MSB; }
#else
#warning "unable to detect endian"
#define ENDIAN_UNKNOWN
Intrinsics::Endian Intrinsics::endian() { return Intrinsics::Endian::Unknown; }
#endif
}
#endif
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