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Add ptr_t class to types.h

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EnderIce2
2024-03-27 18:21:17 +02:00
parent b8355ec455
commit d7cc1f5c47
2 changed files with 169 additions and 0 deletions
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61
include/types.h
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@ -232,6 +232,67 @@ typedef long clock_t;
typedef int pid_t;
#endif
#ifdef __cplusplus
template <typename T>
class ptr_t
{
T ptr;
public:
ptr_t() : ptr(nullptr) {}
ptr_t(T p) : ptr(p) {}
ptr_t(int p) : ptr((T)(uintptr_t)p) {}
ptr_t(const ptr_t<T> &other) : ptr(other.ptr) {}
operator T() { return ptr; }
operator uintptr_t() { return (uintptr_t)ptr; }
operator bool() { return (void *)(uintptr_t)ptr != nullptr; }
ptr_t<T> &operator=(const ptr_t<T> &other)
{
ptr = other.ptr;
return *this;
}
ptr_t<T> &operator+=(uintptr_t offset)
{
ptr = (T)((uintptr_t)ptr + offset);
return *this;
}
ptr_t<T> &operator-=(uintptr_t offset)
{
ptr = (T)((uintptr_t)ptr - offset);
return *this;
}
bool operator==(const ptr_t<T> &other) const { return ptr == other.ptr; }
bool operator==(auto other) const { return (uintptr_t)ptr == (uintptr_t)other; }
bool operator!=(const ptr_t<T> &other) const { return ptr != other.ptr; }
bool operator!=(auto other) const { return (uintptr_t)ptr != (uintptr_t)other; }
bool operator>(const ptr_t<T> &other) const { return ptr > other.ptr; }
bool operator>(auto other) const { return (uintptr_t)ptr > (uintptr_t)other; }
bool operator<(const ptr_t<T> &other) const { return ptr < other.ptr; }
bool operator<(auto other) const { return (uintptr_t)ptr < (uintptr_t)other; }
bool operator>=(const ptr_t<T> &other) const { return ptr >= other.ptr; }
bool operator>=(auto other) const { return (uintptr_t)ptr >= (uintptr_t)other; }
bool operator<=(const ptr_t<T> &other) const { return ptr <= other.ptr; }
bool operator<=(auto other) const { return (uintptr_t)ptr <= (uintptr_t)other; }
ptr_t<T> operator+(auto offset) const { return ptr_t<T>((void *)((uintptr_t)ptr + offset)); }
ptr_t<T> operator-(auto offset) const { return ptr_t<T>((void *)((uintptr_t)ptr - offset)); }
T operator->() { return ptr; }
T operator*() { return *ptr; }
};
#endif // __cplusplus
#define INT8_MAX __INT8_MAX__
#define INT8_MIN (-INT8_MAX - 1)
#define UINT8_MAX __UINT8_MAX__