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62 lines
2.2 KiB
C++
Executable File
62 lines
2.2 KiB
C++
Executable File
#ifndef NALL_INTRINSICS_HPP
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#define NALL_INTRINSICS_HPP
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struct Intrinsics {
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enum class Compiler : unsigned { GCC, VisualC, Unknown };
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enum class Platform : unsigned { X, OSX, Windows, Unknown };
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enum class Endian : unsigned { LSB, MSB, Unknown };
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static inline Compiler compiler();
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static inline Platform platform();
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static inline Endian endian();
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};
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/* Compiler detection */
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#if defined(__GNUC__)
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#define COMPILER_GCC
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Intrinsics::Compiler Intrinsics::compiler() { return Intrinsics::Compiler::GCC; }
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#elif defined(_MSC_VER)
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#define COMPILER_VISUALC
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Intrinsics::Compiler Intrinsics::compiler() { return Intrinsics::Compiler::VisualC; }
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#else
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#define COMPILER_UNKNOWN
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Intrinsics::Compiler Intrinsics::compiler() { return Intrinsics::Compiler::Unknown; }
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#endif
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/* Platform detection */
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#if defined(linux) || defined(__sun__) || defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__NetBSD__) || defined(__OpenBSD__)
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#define PLATFORM_X
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Intrinsics::Platform Intrinsics::platform() { return Intrinsics::Platform::X; }
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#elif defined(__APPLE__)
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#define PLATFORM_OSX
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Intrinsics::Platform Intrinsics::platform() { return Intrinsics::Platform::OSX; }
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#elif defined(_WIN32)
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#define PLATFORM_WINDOWS
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#define PLATFORM_WIN
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Intrinsics::Platform Intrinsics::platform() { return Intrinsics::Platform::Windows; }
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#else
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#define PLATFORM_UNKNOWN
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#endif
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/* Endian detection */
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#if defined(__i386__) || defined(__amd64__) || defined(_M_IX86) || defined(_M_AMD64) || (defined(__BYTE_ORDER__) && defined(__ORDER_LITTLE_ENDIAN__) && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__)
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#define ENDIAN_LSB
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#define ARCH_LSB
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Intrinsics::Endian Intrinsics::endian() { return Intrinsics::Endian::LSB; }
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#elif defined(__powerpc__) || defined(_M_PPC) || defined(__BIG_ENDIAN__) || (defined(__BYTE_ORDER__) && defined(__ORDER_BIG_ENDIAN__) && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__)
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#define ENDIAN_MSB
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#define ARCH_MSB
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Intrinsics::Endian Intrinsics::endian() { return Intrinsics::Endian::MSB; }
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#else
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#warning "unable to detect endian"
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#define ENDIAN_UNKNOWN
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#define ARCH_UNKNOWN
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Intrinsics::Endian Intrinsics::endia() { return Intrinsics::Endian::Unknown; }
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#endif
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#endif
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