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81 lines
1.6 KiB
C++
81 lines
1.6 KiB
C++
#pragma once
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#include "util/types.hpp"
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#include "util/endian.hpp"
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union v128;
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// Type converter: converts native endianness arithmetic/enum types to appropriate se_t<> type
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template <typename T, bool Se>
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struct to_se
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{
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template <typename T2>
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struct to_se_
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{
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using type = T2;
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};
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template <typename T2>
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requires std::is_arithmetic_v<T2> || std::is_enum_v<T2>
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struct to_se_<T2>
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{
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using type = std::conditional_t<(sizeof(T2) > 1), se_t<T2, Se>, T2>;
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};
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// Convert arithmetic and enum types
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using type = typename to_se_<T>::type;
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};
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template <bool Se>
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struct to_se<v128, Se>
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{
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using type = se_t<v128, Se, 16>;
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};
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template <bool Se>
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struct to_se<u128, Se>
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{
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using type = se_t<u128, Se>;
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};
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template <bool Se>
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struct to_se<s128, Se>
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{
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using type = se_t<s128, Se>;
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};
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template <typename T, bool Se>
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requires(!std::is_array_v<T>)
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struct to_se<const T, Se>
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{
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// Move const qualifier
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using type = const typename to_se<T, Se>::type;
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};
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template <typename T, bool Se>
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requires(!std::is_array_v<T> && !std::is_const_v<T>)
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struct to_se<volatile T, Se>
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{
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// Move volatile qualifier
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using type = volatile typename to_se<T, Se>::type;
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};
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template <typename T, bool Se>
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struct to_se<T[], Se>
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{
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// Move array qualifier
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using type = typename to_se<T, Se>::type[];
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};
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template <typename T, bool Se, usz N>
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struct to_se<T[N], Se>
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{
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// Move array qualifier
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using type = typename to_se<T, Se>::type[N];
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};
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// BE/LE aliases for to_se<>
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template <typename T>
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using to_be_t = typename to_se<T, std::endian::little == std::endian::native>::type;
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template <typename T>
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using to_le_t = typename to_se<T, std::endian::big == std::endian::native>::type;
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