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//! Provide information about the machine that this is being compiled into.
use crate::compiler_interface::with;
/// The properties of the target machine being compiled into.
#[derive(Clone, PartialEq, Eq)]
pub struct MachineInfo {
pub endian: Endian,
pub pointer_width: MachineSize,
}
impl MachineInfo {
pub fn target() -> MachineInfo {
with(|cx| cx.target_info())
}
pub fn target_endianess() -> 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)]
pub enum Endian {
Little,
Big,
}
/// Represent the size of a component.
#[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord)]
pub struct MachineSize {
num_bits: usize,
}
impl MachineSize {
pub fn bytes(self) -> usize {
self.num_bits / 8
}
pub fn bits(self) -> usize {
self.num_bits
}
pub fn from_bits(num_bits: usize) -> MachineSize {
MachineSize { num_bits }
}
}
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