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https://github.com/libretro/bnes-libretro.git
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122 lines
6.7 KiB
C++
Executable File
122 lines
6.7 KiB
C++
Executable File
#ifndef NALL_VARINT_HPP
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#define NALL_VARINT_HPP
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#include <type_traits>
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#include <nall/bit.hpp>
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#include <nall/static.hpp>
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namespace nall {
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template<unsigned bits> class uint_t {
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private:
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unsigned data;
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public:
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inline operator unsigned() const { return data; }
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inline unsigned operator ++(int) { unsigned r = data; data = uclip<bits>(data + 1); return r; }
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inline unsigned operator --(int) { unsigned r = data; data = uclip<bits>(data - 1); return r; }
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inline unsigned operator ++() { return data = uclip<bits>(data + 1); }
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inline unsigned operator --() { return data = uclip<bits>(data - 1); }
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inline unsigned operator =(const unsigned i) { return data = uclip<bits>(i); }
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inline unsigned operator |=(const unsigned i) { return data = uclip<bits>(data | i); }
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inline unsigned operator ^=(const unsigned i) { return data = uclip<bits>(data ^ i); }
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inline unsigned operator &=(const unsigned i) { return data = uclip<bits>(data & i); }
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inline unsigned operator<<=(const unsigned i) { return data = uclip<bits>(data << i); }
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inline unsigned operator>>=(const unsigned i) { return data = uclip<bits>(data >> i); }
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inline unsigned operator +=(const unsigned i) { return data = uclip<bits>(data + i); }
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inline unsigned operator -=(const unsigned i) { return data = uclip<bits>(data - i); }
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inline unsigned operator *=(const unsigned i) { return data = uclip<bits>(data * i); }
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inline unsigned operator /=(const unsigned i) { return data = uclip<bits>(data / i); }
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inline unsigned operator %=(const unsigned i) { return data = uclip<bits>(data % i); }
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inline uint_t() : data(0) {}
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inline uint_t(const unsigned i) : data(uclip<bits>(i)) {}
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template<int s> inline unsigned operator=(const uint_t<s> &i) { return data = uclip<bits>((unsigned)i); }
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template<int s> inline uint_t(const uint_t<s> &i) : data(uclip<bits>(i)) {}
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};
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template<unsigned bits> class int_t {
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private:
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signed data;
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public:
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inline operator signed() const { return data; }
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inline signed operator ++(int) { signed r = data; data = sclip<bits>(data + 1); return r; }
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inline signed operator --(int) { signed r = data; data = sclip<bits>(data - 1); return r; }
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inline signed operator ++() { return data = sclip<bits>(data + 1); }
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inline signed operator --() { return data = sclip<bits>(data - 1); }
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inline signed operator =(const signed i) { return data = sclip<bits>(i); }
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inline signed operator |=(const signed i) { return data = sclip<bits>(data | i); }
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inline signed operator ^=(const signed i) { return data = sclip<bits>(data ^ i); }
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inline signed operator &=(const signed i) { return data = sclip<bits>(data & i); }
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inline signed operator<<=(const signed i) { return data = sclip<bits>(data << i); }
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inline signed operator>>=(const signed i) { return data = sclip<bits>(data >> i); }
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inline signed operator +=(const signed i) { return data = sclip<bits>(data + i); }
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inline signed operator -=(const signed i) { return data = sclip<bits>(data - i); }
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inline signed operator *=(const signed i) { return data = sclip<bits>(data * i); }
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inline signed operator /=(const signed i) { return data = sclip<bits>(data / i); }
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inline signed operator %=(const signed i) { return data = sclip<bits>(data % i); }
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inline int_t() : data(0) {}
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inline int_t(const signed i) : data(sclip<bits>(i)) {}
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};
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class varuint_t {
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private:
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unsigned data;
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unsigned mask;
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public:
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inline operator unsigned() const { return data; }
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inline unsigned operator ++(int) { unsigned r = data; data = (data + 1) & mask; return r; }
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inline unsigned operator --(int) { unsigned r = data; data = (data - 1) & mask; return r; }
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inline unsigned operator ++() { return data = (data + 1) & mask; }
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inline unsigned operator --() { return data = (data - 1) & mask; }
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inline unsigned operator =(const unsigned i) { return data = (i) & mask; }
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inline unsigned operator |=(const unsigned i) { return data = (data | i) & mask; }
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inline unsigned operator ^=(const unsigned i) { return data = (data ^ i) & mask; }
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inline unsigned operator &=(const unsigned i) { return data = (data & i) & mask; }
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inline unsigned operator<<=(const unsigned i) { return data = (data << i) & mask; }
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inline unsigned operator>>=(const unsigned i) { return data = (data >> i) & mask; }
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inline unsigned operator +=(const unsigned i) { return data = (data + i) & mask; }
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inline unsigned operator -=(const unsigned i) { return data = (data - i) & mask; }
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inline unsigned operator *=(const unsigned i) { return data = (data * i) & mask; }
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inline unsigned operator /=(const unsigned i) { return data = (data / i) & mask; }
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inline unsigned operator %=(const unsigned i) { return data = (data % i) & mask; }
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inline void bits(unsigned bits) { mask = (1U << (bits - 1)) + ((1U << (bits - 1)) - 1); data &= mask; }
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inline varuint_t() : data(0), mask(~0U) {}
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inline varuint_t(const unsigned i) : data(i), mask(~0U) {}
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};
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class varuintmax_t {
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private:
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uintmax_t data;
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uintmax_t mask;
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public:
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inline operator uintmax_t() const { return data; }
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inline uintmax_t operator ++(int) { uintmax_t r = data; data = (data + 1) & mask; return r; }
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inline uintmax_t operator --(int) { uintmax_t r = data; data = (data - 1) & mask; return r; }
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inline uintmax_t operator ++() { return data = (data + 1) & mask; }
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inline uintmax_t operator --() { return data = (data - 1) & mask; }
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inline uintmax_t operator =(const uintmax_t i) { return data = (i) & mask; }
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inline uintmax_t operator |=(const uintmax_t i) { return data = (data | i) & mask; }
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inline uintmax_t operator ^=(const uintmax_t i) { return data = (data ^ i) & mask; }
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inline uintmax_t operator &=(const uintmax_t i) { return data = (data & i) & mask; }
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inline uintmax_t operator<<=(const uintmax_t i) { return data = (data << i) & mask; }
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inline uintmax_t operator>>=(const uintmax_t i) { return data = (data >> i) & mask; }
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inline uintmax_t operator +=(const uintmax_t i) { return data = (data + i) & mask; }
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inline uintmax_t operator -=(const uintmax_t i) { return data = (data - i) & mask; }
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inline uintmax_t operator *=(const uintmax_t i) { return data = (data * i) & mask; }
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inline uintmax_t operator /=(const uintmax_t i) { return data = (data / i) & mask; }
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inline uintmax_t operator %=(const uintmax_t i) { return data = (data % i) & mask; }
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inline void bits(unsigned bits) { mask = (1ULL << (bits - 1)) + ((1ULL << (bits - 1)) - 1); data &= mask; }
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inline varuintmax_t() : data(0), mask(~0ULL) {}
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inline varuintmax_t(const uintmax_t i) : data(i), mask(~0ULL) {}
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};
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}
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#endif
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