use serde::Serialize;
use crate::compiler_interface::with;
#[derive(Clone, PartialEq, Eq, Serialize)]
pub struct MachineInfo {
pub endian: Endian,
pub pointer_width: MachineSize,
}
impl MachineInfo {
pub fn target() -> MachineInfo {
with(|cx| cx.target_info())
}
pub fn target_endianness() -> Endian {
with(|cx| cx.target_info().endian)
}
pub fn target_pointer_width() -> MachineSize {
with(|cx| cx.target_info().pointer_width)
}
}
#[derive(Copy, Clone, PartialEq, Eq, Serialize)]
pub enum Endian {
Little,
Big,
}
#[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Hash, Debug, Serialize)]
pub struct MachineSize {
num_bits: usize,
}
impl MachineSize {
#[inline(always)]
pub fn bytes(self) -> usize {
self.num_bits / 8
}
#[inline(always)]
pub fn bits(self) -> usize {
self.num_bits
}
#[inline(always)]
pub fn from_bits(num_bits: usize) -> MachineSize {
MachineSize { num_bits }
}
#[inline]
pub fn unsigned_int_max(self) -> Option<u128> {
(self.num_bits <= 128).then(|| u128::MAX >> (128 - self.bits()))
}
}