Platform.h

// Copyright (c) Stefano Cristiano
// SPDX-License-Identifier: MIT
#pragma once
 
 
#if defined(DEBUG) || defined(_DEBUG)
#define SC_CONFIGURATION_DEBUG   1 
#define SC_CONFIGURATION_RELEASE 0 
#else
#define SC_CONFIGURATION_DEBUG   0 
#define SC_CONFIGURATION_RELEASE 1 
#endif
 
namespace SC
{
enum class Platform
{
    Apple,
    Linux,
    Windows,
    Emscripten,
};
 
struct OperatingSystem
{
    enum Type
    {
        macOS,
        iOS,
        Emscripten,
        Windows,
        Linux,
    };
 
    [[nodiscard]] static Type getHostOS();
};
 
#if defined(__APPLE__)
 
#define SC_PLATFORM_APPLE      1 
#define SC_PLATFORM_LINUX      0 
#define SC_PLATFORM_WINDOWS    0 
#define SC_PLATFORM_EMSCRIPTEN 0 
static constexpr Platform HostPlatform = Platform::Apple;
 
#elif defined(_WIN32) || defined(_WIN64)
 
#define SC_PLATFORM_APPLE      0 
#define SC_PLATFORM_LINUX      0 
#define SC_PLATFORM_WINDOWS    1 
#define SC_PLATFORM_EMSCRIPTEN 0 
static constexpr Platform       HostPlatform       = Platform::Windows;
 
#elif defined(__EMSCRIPTEN__)
 
#define SC_PLATFORM_APPLE      0 
#define SC_PLATFORM_LINUX      0 
#define SC_PLATFORM_WINDOWS    0 
#define SC_PLATFORM_EMSCRIPTEN 1 
static constexpr Platform HostPlatform = Platform::Emscripten;
 
#elif defined(__linux__)
 
#define SC_PLATFORM_APPLE      0
#define SC_PLATFORM_LINUX      1 
#define SC_PLATFORM_WINDOWS    0 
#define SC_PLATFORM_EMSCRIPTEN 0 
static constexpr Platform HostPlatform = Platform::Linux;
 
#else
 
#error "Unsupported platform"
 
#endif
 
#if defined(_WIN64)
#define SC_PLATFORM_64_BIT 1 
#elif defined(_WIN32)
#define SC_PLATFORM_64_BIT 0 
#else
#define SC_PLATFORM_64_BIT 1 
#endif
 
enum class InstructionSet
{
    ARM64,
    Intel64,
    Intel32
};
 
#if defined(_M_ARM64) || defined(__aarch64__)
#define SC_PLATFORM_ARM64 1 
#define SC_PLATFORM_INTEL 0 
static constexpr InstructionSet HostInstructionSet = InstructionSet::ARM64;
#else
#define SC_PLATFORM_ARM64 0 
#define SC_PLATFORM_INTEL 1 
#if SC_PLATFORM_64_BIT
static constexpr InstructionSet HostInstructionSet = InstructionSet::Intel64;
#else
static constexpr InstructionSet HostInstructionSet = InstructionSet::Intel32;
#endif
#endif
 
} // namespace SC