mirror of https://github.com/bsnes-emu/bsnes.git
196 lines
6.7 KiB
C++
Executable File
196 lines
6.7 KiB
C++
Executable File
#pragma once
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namespace nall {
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using uint = unsigned;
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enum class Compiler : uint { Clang, GCC, Microsoft, Unknown };
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enum class Platform : uint { Windows, MacOS, Linux, BSD, Unknown };
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enum class API : uint { Windows, Posix, Unknown };
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enum class DisplayServer : uint { Windows, Quartz, Xorg, Unknown };
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enum class Architecture : uint { x86, amd64, ARM32, ARM64, PPC32, PPC64, Unknown };
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enum class Endian : uint { LSB, MSB, Unknown };
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enum class Build : uint { Debug, Stable, Size, Release, Performance };
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static inline constexpr auto compiler() -> Compiler;
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static inline constexpr auto platform() -> Platform;
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static inline constexpr auto api() -> API;
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static inline constexpr auto display() -> DisplayServer;
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static inline constexpr auto architecture() -> Architecture;
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static inline constexpr auto endian() -> Endian;
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static inline constexpr auto build() -> Build;
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}
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/* Compiler detection */
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namespace nall {
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#if defined(__clang__)
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#define COMPILER_CLANG
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constexpr auto compiler() -> Compiler { return Compiler::Clang; }
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#pragma clang diagnostic warning "-Wreturn-type"
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#pragma clang diagnostic ignored "-Wunused-result"
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#pragma clang diagnostic ignored "-Wunknown-pragmas"
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#pragma clang diagnostic ignored "-Wempty-body"
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#pragma clang diagnostic ignored "-Wparentheses"
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#pragma clang diagnostic ignored "-Wswitch"
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#pragma clang diagnostic ignored "-Wswitch-bool"
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#pragma clang diagnostic ignored "-Wtautological-compare"
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#pragma clang diagnostic ignored "-Wabsolute-value"
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#pragma clang diagnostic ignored "-Wshift-count-overflow"
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//temporary
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#pragma clang diagnostic ignored "-Winconsistent-missing-override"
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//#pragma clang diagnostic error "-Wdeprecated-declarations"
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#elif defined(__GNUC__)
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#define COMPILER_GCC
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constexpr auto compiler() -> Compiler { return Compiler::GCC; }
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#pragma GCC diagnostic warning "-Wreturn-type"
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#pragma GCC diagnostic ignored "-Wunused-result"
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#pragma GCC diagnostic ignored "-Wunknown-pragmas"
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#pragma GCC diagnostic ignored "-Wpragmas"
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#pragma GCC diagnostic ignored "-Wswitch-bool"
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#elif defined(_MSC_VER)
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#define COMPILER_MICROSOFT
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constexpr auto compiler() -> Compiler { return Compiler::Microsoft; }
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#pragma warning(disable:4996) //libc "deprecation" warnings
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#else
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#warning "unable to detect compiler"
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#define COMPILER_UNKNOWN
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constexpr auto compiler() -> Compiler { return Compiler::Unknown; }
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#endif
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}
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/* Platform detection */
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namespace nall {
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#if defined(_WIN32)
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#define PLATFORM_WINDOWS
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#define API_WINDOWS
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#define DISPLAY_WINDOWS
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constexpr auto platform() -> Platform { return Platform::Windows; }
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constexpr auto api() -> API { return API::Windows; }
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constexpr auto display() -> DisplayServer { return DisplayServer::Windows; }
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#elif defined(__APPLE__)
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#define PLATFORM_MACOS
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#define API_POSIX
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#define DISPLAY_QUARTZ
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constexpr auto platform() -> Platform { return Platform::MacOS; }
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constexpr auto api() -> API { return API::Posix; }
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constexpr auto display() -> DisplayServer { return DisplayServer::Quartz; }
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#elif defined(linux) || defined(__linux__)
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#define PLATFORM_LINUX
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#define API_POSIX
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#define DISPLAY_XORG
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constexpr auto platform() -> Platform { return Platform::Linux; }
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constexpr auto api() -> API { return API::Posix; }
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constexpr auto display() -> DisplayServer { return DisplayServer::Xorg; }
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#elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__NetBSD__) || defined(__OpenBSD__)
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#define PLATFORM_BSD
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#define API_POSIX
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#define DISPLAY_XORG
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constexpr auto platform() -> Platform { return Platform::BSD; }
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constexpr auto api() -> API { return API::Posix; }
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constexpr auto display() -> DisplayServer { return DisplayServer::Xorg; }
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#else
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#warning "unable to detect platform"
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#define PLATFORM_UNKNOWN
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#define API_UNKNOWN
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#define DISPLAY_UNKNOWN
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constexpr auto platform() -> Platform { return Platform::Unknown; }
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constexpr auto api() -> API { return API::Unknown; }
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constexpr auto display() -> DisplayServer { return DisplayServer::Unknown; }
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#endif
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}
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#if defined(PLATFORM_MACOS)
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#include <machine/endian.h>
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#elif defined(PLATFORM_LINUX)
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#include <endian.h>
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#elif defined(PLATFORM_BSD)
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#include <sys/endian.h>
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#endif
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/* Architecture detection */
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namespace nall {
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#if defined(__i386__) || defined(_M_IX86)
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#define ARCHITECTURE_X86
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constexpr auto architecture() -> Architecture { return Architecture::x86; }
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#elif defined(__amd64__) || defined(_M_AMD64)
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#define ARCHITECTURE_AMD64
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constexpr auto architecture() -> Architecture { return Architecture::amd64; }
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#elif defined(__aarch64__)
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#define ARCHITECTURE_ARM64
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constexpr auto architecture() -> Architecture { return Architecture::ARM64; }
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#elif defined(__arm__)
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#define ARCHITECTURE_ARM32
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constexpr auto architecture() -> Architecture { return Architecture::ARM32; }
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#elif defined(__ppc64__) || defined(_ARCH_PPC64)
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#define ARCHITECTURE_PPC64
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constexpr auto architecture() -> Architecture { return Architecture::PPC64; }
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#elif defined(__ppc__) || defined(_ARCH_PPC) || defined(_M_PPC)
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#define ARCHITECTURE_PPC32
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constexpr auto architecture() -> Architecture { return Architecture::PPC32; }
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#else
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#warning "unable to detect architecture"
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#define ARCHITECTURE_UNKNOWN
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constexpr auto architecture() -> Architecture { return Architecture::Unknown; }
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#endif
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}
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/* Endian detection */
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namespace nall {
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#if (defined(__BYTE_ORDER) && defined(__LITTLE_ENDIAN) && __BYTE_ORDER == __LITTLE_ENDIAN) || defined(__LITTLE_ENDIAN__) || defined(__i386__) || defined(__amd64__) || defined(_M_IX86) || defined(_M_AMD64)
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#define ENDIAN_LSB
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constexpr auto endian() -> Endian { return Endian::LSB; }
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#elif (defined(__BYTE_ORDER) && defined(__BIG_ENDIAN) && __BYTE_ORDER == __BIG_ENDIAN) || defined(__BIG_ENDIAN__) || defined(__powerpc__) || defined(_M_PPC)
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#define ENDIAN_MSB
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constexpr auto endian() -> Endian { return 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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constexpr auto endian() -> Endian { return Endian::Unknown; }
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#endif
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}
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/* Build optimization level detection */
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#undef DEBUG
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#undef NDEBUG
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namespace nall {
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#if defined(BUILD_DEBUG)
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#define DEBUG
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constexpr auto build() -> Build { return Build::Debug; }
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#elif defined(BUILD_STABLE)
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#define DEBUG
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constexpr auto build() -> Build { return Build::Stable; }
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#elif defined(BUILD_SIZE)
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#define NDEBUG
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constexpr auto build() -> Build { return Build::Size; }
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#elif defined(BUILD_RELEASE)
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#define NDEBUG
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constexpr auto build() -> Build { return Build::Release; }
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#elif defined(BUILD_PERFORMANCE)
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#define NDEBUG
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constexpr auto build() -> Build { return Build::Performance; }
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#else
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//default to debug mode
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#define DEBUG
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constexpr auto build() -> Build { return Build::Debug; }
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#endif
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}
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