macro_rules! flags {
($name:ident, $size:ty) => {
#[derive(Default, Copy, Clone, PartialEq, Eq, Debug, Ord, PartialOrd)]
pub struct $name(pub $size);
impl $name {
#[allow(dead_code)]
pub fn contains(&self, contains: Self) -> bool {
*self & contains == contains
}
}
impl std::ops::BitOr for $name {
type Output = Self;
fn bitor(self, other: Self) -> Self {
Self(self.0 | other.0)
}
}
impl std::ops::BitAnd for $name {
type Output = Self;
fn bitand(self, other: Self) -> Self {
Self(self.0 & other.0)
}
}
impl std::ops::BitOrAssign for $name {
fn bitor_assign(&mut self, other: Self) {
self.0.bitor_assign(other.0)
}
}
impl std::ops::BitAndAssign for $name {
fn bitand_assign(&mut self, other: Self) {
self.0.bitand_assign(other.0)
}
}
impl std::ops::Not for $name {
type Output = Self;
fn not(self) -> Self {
Self(self.0.not())
}
}
};
}
flags!(FieldAttributes, u16);
impl FieldAttributes {
pub const Literal: Self = Self(0x40);
}
flags!(MethodAttributes, u16);
impl MethodAttributes {
pub const SpecialName: Self = Self(0x800);
}
flags!(MethodImplAttributes, u16);
impl MethodImplAttributes {}
flags!(MethodCallAttributes, u8);
impl MethodCallAttributes {
pub const HASTHIS: Self = Self(0x20);
pub const VARARG: Self = Self(0x05);
}
flags!(ParamAttributes, u16);
impl ParamAttributes {
pub const In: Self = Self(0x1);
pub const Out: Self = Self(0x2);
pub const Optional: Self = Self(0x10);
}
flags!(PInvokeAttributes, usize);
impl PInvokeAttributes {
pub const SupportsLastError: Self = Self(0x40);
pub const CallConvPlatformapi: Self = Self(0x100);
pub const CallConvCdecl: Self = Self(0x200);
}
flags!(TypeAttributes, u32);
impl TypeAttributes {
pub const ExplicitLayout: Self = Self(0x10);
pub const WindowsRuntime: Self = Self(0x4000);
pub fn is_nested(&self) -> bool {
(self.0 & 0x00000006) != 0
}
}