use super::expr::Expr;
use super::expr::InvalidArgumentError;
use crate::has_opcode::HasStaticOpCode;
use crate::serialization::op_code::OpCode;
use crate::serialization::sigma_byte_reader::SigmaByteRead;
use crate::serialization::sigma_byte_writer::SigmaByteWrite;
use crate::serialization::SigmaParsingError;
use crate::serialization::SigmaSerializable;
use crate::serialization::SigmaSerializeResult;
use crate::types::stype::SType;
#[derive(PartialEq, Eq, Debug, Clone)]
pub struct Xor {
pub left: Box<Expr>,
pub right: Box<Expr>,
}
impl Xor {
pub fn new(left: Expr, right: Expr) -> Result<Self, InvalidArgumentError> {
let left_type: SType = left.post_eval_tpe();
let right_type: SType = right.post_eval_tpe();
match (left_type, right_type) {
(SType::SColl(l), SType::SColl(r)) => match (*l, *r) {
(SType::SByte, SType::SByte) => Ok(Xor {
left: left.into(),
right: right.into(),
}),
(l, r) => Err(InvalidArgumentError(format!(
"XOR types differ: {0:?}",
(l, r)
))),
},
(l, r) => Err(InvalidArgumentError(format!(
"Invalid XOR op tpe: {0:?}",
(l, r)
))),
}
}
pub fn tpe(&self) -> SType {
SType::SColl(Box::new(SType::SByte))
}
}
impl HasStaticOpCode for Xor {
const OP_CODE: OpCode = OpCode::XOR;
}
impl SigmaSerializable for Xor {
fn sigma_serialize<W: SigmaByteWrite>(&self, w: &mut W) -> SigmaSerializeResult {
self.left.sigma_serialize(w)?;
self.right.sigma_serialize(w)
}
fn sigma_parse<R: SigmaByteRead>(r: &mut R) -> Result<Self, SigmaParsingError> {
let left = Expr::sigma_parse(r)?;
let right = Expr::sigma_parse(r)?;
Ok(Xor::new(left, right)?)
}
}
#[cfg(feature = "arbitrary")]
#[allow(clippy::unwrap_used)]
mod arbitrary {
use super::*;
use crate::mir::expr::arbitrary::ArbExprParams;
use proptest::prelude::*;
impl Arbitrary for Xor {
type Strategy = BoxedStrategy<Self>;
type Parameters = ();
fn arbitrary_with(_args: Self::Parameters) -> Self::Strategy {
(
any_with::<Expr>(ArbExprParams {
tpe: SType::SColl(Box::new(SType::SByte)),
depth: 0,
}),
any_with::<Expr>(ArbExprParams {
tpe: SType::SColl(Box::new(SType::SByte)),
depth: 0,
}),
)
.prop_map(|(left, right)| Xor::new(left, right).unwrap())
.boxed()
}
}
}
#[cfg(test)]
#[cfg(feature = "arbitrary")]
#[allow(clippy::panic)]
mod tests {
use super::*;
use crate::mir::expr::Expr;
use crate::serialization::sigma_serialize_roundtrip;
use proptest::prelude::*;
proptest! {
#![proptest_config(ProptestConfig::with_cases(16))]
#[test]
fn ser_roundtrip(v in any::<Xor>()) {
let expr: Expr = v.into();
prop_assert_eq![sigma_serialize_roundtrip(&expr), expr];
}
}
}