3512cae623
This adds bitwise shift operator overloads (<<, >>, <<=, >>=) in the macro DECLARE_ENUM_FLAG_OPERATORS(type)
134 lines
7.6 KiB
C++
134 lines
7.6 KiB
C++
// Copyright 2019 yuzu emulator team
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#pragma once
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#include <array>
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#include <iterator>
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#if !defined(ARCHITECTURE_x86_64)
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#include <cstdlib> // for exit
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#endif
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#include "common/common_types.h"
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/// Textually concatenates two tokens. The double-expansion is required by the C preprocessor.
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#define CONCAT2(x, y) DO_CONCAT2(x, y)
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#define DO_CONCAT2(x, y) x##y
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/// Helper macros to insert unused bytes or words to properly align structs. These values will be
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/// zero-initialized.
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#define INSERT_PADDING_BYTES(num_bytes) \
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std::array<u8, num_bytes> CONCAT2(pad, __LINE__) {}
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#define INSERT_PADDING_WORDS(num_words) \
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std::array<u32, num_words> CONCAT2(pad, __LINE__) {}
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/// These are similar to the INSERT_PADDING_* macros but do not zero-initialize the contents.
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/// This keeps the structure trivial to construct.
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#define INSERT_PADDING_BYTES_NOINIT(num_bytes) std::array<u8, num_bytes> CONCAT2(pad, __LINE__)
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#define INSERT_PADDING_WORDS_NOINIT(num_words) std::array<u32, num_words> CONCAT2(pad, __LINE__)
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#ifndef _MSC_VER
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#ifdef ARCHITECTURE_x86_64
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#define Crash() __asm__ __volatile__("int $3")
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#else
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#define Crash() exit(1)
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#endif
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#else // _MSC_VER
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// Locale Cross-Compatibility
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#define locale_t _locale_t
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extern "C" {
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__declspec(dllimport) void __stdcall DebugBreak(void);
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}
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#define Crash() DebugBreak()
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#endif // _MSC_VER ndef
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#define DECLARE_ENUM_FLAG_OPERATORS(type) \
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[[nodiscard]] constexpr type operator|(type a, type b) noexcept { \
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using T = std::underlying_type_t<type>; \
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return static_cast<type>(static_cast<T>(a) | static_cast<T>(b)); \
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} \
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[[nodiscard]] constexpr type operator&(type a, type b) noexcept { \
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using T = std::underlying_type_t<type>; \
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return static_cast<type>(static_cast<T>(a) & static_cast<T>(b)); \
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} \
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[[nodiscard]] constexpr type operator^(type a, type b) noexcept { \
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using T = std::underlying_type_t<type>; \
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return static_cast<type>(static_cast<T>(a) ^ static_cast<T>(b)); \
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} \
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[[nodiscard]] constexpr type operator<<(type a, type b) noexcept { \
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using T = std::underlying_type_t<type>; \
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return static_cast<type>(static_cast<T>(a) << static_cast<T>(b)); \
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} \
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[[nodiscard]] constexpr type operator>>(type a, type b) noexcept { \
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using T = std::underlying_type_t<type>; \
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return static_cast<type>(static_cast<T>(a) >> static_cast<T>(b)); \
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} \
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constexpr type& operator|=(type& a, type b) noexcept { \
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a = a | b; \
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return a; \
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} \
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constexpr type& operator&=(type& a, type b) noexcept { \
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a = a & b; \
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return a; \
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} \
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constexpr type& operator^=(type& a, type b) noexcept { \
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a = a ^ b; \
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return a; \
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} \
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constexpr type& operator<<=(type& a, type b) noexcept { \
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a = a << b; \
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return a; \
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} \
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constexpr type& operator>>=(type& a, type b) noexcept { \
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a = a >> b; \
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return a; \
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} \
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[[nodiscard]] constexpr type operator~(type key) noexcept { \
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using T = std::underlying_type_t<type>; \
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return static_cast<type>(~static_cast<T>(key)); \
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} \
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[[nodiscard]] constexpr bool True(type key) noexcept { \
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using T = std::underlying_type_t<type>; \
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return static_cast<T>(key) != 0; \
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} \
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[[nodiscard]] constexpr bool False(type key) noexcept { \
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using T = std::underlying_type_t<type>; \
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return static_cast<T>(key) == 0; \
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}
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#define YUZU_NON_COPYABLE(cls) \
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cls(const cls&) = delete; \
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cls& operator=(const cls&) = delete
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#define YUZU_NON_MOVEABLE(cls) \
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cls(cls&&) = delete; \
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cls& operator=(cls&&) = delete
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namespace Common {
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[[nodiscard]] constexpr u32 MakeMagic(char a, char b, char c, char d) {
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return u32(a) | u32(b) << 8 | u32(c) << 16 | u32(d) << 24;
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}
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// std::size() does not support zero-size C arrays. We're fixing that.
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template <class C>
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constexpr auto Size(const C& c) -> decltype(c.size()) {
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return std::size(c);
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}
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template <class C>
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constexpr std::size_t Size(const C& c) {
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if constexpr (sizeof(C) == 0) {
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return 0;
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} else {
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return std::size(c);
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}
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}
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} // namespace Common
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