MacroDefines.hpp

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#pragma once
 
#include <cassert>
#include <iostream>
 
#if !defined(__GNUC__) && !defined(_MSC_VER)
    #error "This compiler is not supported"
#endif
 
/** 
 *  Implemented as direct interrupt to avoid dirtying the call stack with assert function when debugging.
 *  And for optimization, change to Assume() in release builds.
 */
#if defined(__GNUC__)
    #if defined(NDEBUG)
        #define Assert(exp) do { if (!(exp)) __builtin_unreachable(); } while (0)
    #else
        #define Assert(exp) do { if (!(exp)) { std::cerr << "Assertion failed: " << #exp << " at " << __FILE__ << ":" << __LINE__ << std::endl; __builtin_trap(); } } while (0)
    #endif
#elif defined(_MSC_VER)
    #if defined(NDEBUG)
        #define Assert(exp) do { if (!(exp)) __assume(0); } while (0)
    #else
        #define Assert(exp) do { if (!(exp)) { std::cerr << "Assertion failed: " << #exp << " at " << __FILE__ << ":" << __LINE__ << std::endl; __debugbreak(); } } while (0)
    #endif
#else
    #if defined(NDEBUG)
        #define Assert(exp) assert(exp)
    #else
        #define Assert(exp) do { if (!(exp)) { std::cerr << "Assertion failed: " << #exp << " at " << __FILE__ << ":" << __LINE__ << std::endl; assert(exp); } } while (0)
    #endif
#endif
 
#if defined(__GNUC__)
    #define Assume(x) do { if (!(x)) __builtin_unreachable(); } while (0)
#elif defined(_MSC_VER)
    #define Assume(x) __assume(x)
#else
    #define Assume(x)
#endif
 
#define STATIC_ASSERT(exp) UNUSED typedef char static_assertion_[(exp) ? 1 : -1]