use super::TypeLike;
use crate::{ir::Type, Context, Error};
use mlir_sys::{
mlirIntegerTypeGet, mlirIntegerTypeGetWidth, mlirIntegerTypeIsSigned,
mlirIntegerTypeIsSignless, mlirIntegerTypeIsUnsigned, mlirIntegerTypeSignedGet,
mlirIntegerTypeUnsignedGet, MlirType,
};
#[derive(Clone, Copy, Debug)]
pub struct IntegerType<'c> {
r#type: Type<'c>,
}
impl<'c> IntegerType<'c> {
pub fn new(context: &'c Context, bits: u32) -> Self {
Self {
r#type: unsafe { Type::from_raw(mlirIntegerTypeGet(context.to_raw(), bits)) },
}
}
pub fn signed(context: &'c Context, bits: u32) -> Self {
unsafe { Self::from_raw(mlirIntegerTypeSignedGet(context.to_raw(), bits)) }
}
pub fn unsigned(context: &'c Context, bits: u32) -> Self {
unsafe { Self::from_raw(mlirIntegerTypeUnsignedGet(context.to_raw(), bits)) }
}
pub fn width(&self) -> u32 {
unsafe { mlirIntegerTypeGetWidth(self.to_raw()) }
}
pub fn is_signed(&self) -> bool {
unsafe { mlirIntegerTypeIsSigned(self.to_raw()) }
}
pub fn is_signless(&self) -> bool {
unsafe { mlirIntegerTypeIsSignless(self.to_raw()) }
}
pub fn is_unsigned(&self) -> bool {
unsafe { mlirIntegerTypeIsUnsigned(self.to_raw()) }
}
}
type_traits!(IntegerType, is_integer, "integer");
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn new() {
assert!(IntegerType::new(&Context::new(), 64).is_integer());
}
#[test]
fn signed() {
assert!(IntegerType::signed(&Context::new(), 64).is_integer());
}
#[test]
fn unsigned() {
assert!(IntegerType::unsigned(&Context::new(), 64).is_integer());
}
#[test]
fn signed_integer() {
let context = Context::new();
assert_eq!(
Type::from(IntegerType::signed(&context, 42)),
Type::parse(&context, "si42").unwrap()
);
}
#[test]
fn unsigned_integer() {
let context = Context::new();
assert_eq!(
Type::from(IntegerType::unsigned(&context, 42)),
Type::parse(&context, "ui42").unwrap()
);
}
#[test]
fn get_width() {
let context = Context::new();
assert_eq!(IntegerType::new(&context, 64).width(), 64);
}
#[test]
fn check_sign() {
let context = Context::new();
let signless = IntegerType::new(&context, 42);
let signed = IntegerType::signed(&context, 42);
let unsigned = IntegerType::unsigned(&context, 42);
assert!(signless.is_signless());
assert!(!signed.is_signless());
assert!(!unsigned.is_signless());
assert!(!signless.is_signed());
assert!(signed.is_signed());
assert!(!unsigned.is_signed());
assert!(!signless.is_unsigned());
assert!(!signed.is_unsigned());
assert!(unsigned.is_unsigned());
}
}