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Improve binary op error messages

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This commit is contained in:
ConnorSkees 2020-02-29 20:01:43 -05:00
parent 7949699229
commit 4e7cf277e1
2 changed files with 27 additions and 5 deletions
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12
src/value/mod.rs
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@ -40,7 +40,17 @@ impl Display for Value {
.join(sep.as_str())
),
Self::Color(c) => write!(f, "{}", c),
Self::BinaryOp(..) => write!(f, "{}", self.clone().eval().unwrap()),
Self::BinaryOp(..) => write!(
f,
"{}",
match self.clone().eval() {
Ok(v) => v,
Err(e) => {
eprintln!("{}", e);
std::process::exit(0);
}
}
),
Self::Paren(val) => write!(f, "{}", val),
Self::Ident(val, kind) => {
if kind == &QuoteKind::None {

20
src/value/ops.rs
View File

@ -31,7 +31,11 @@ impl Add for Value {
Value::Ident(format!("{}{}{}", num, unit, s), quotes)
}
Self::Null => Value::Ident(format!("{}{}", num, unit), QuoteKind::None),
_ => todo!(),
_ => {
return Err(
format!("Undefined operation \"{}{} + {}\".", num, unit, other).into(),
)
}
},
// Self::List(..) => todo!(),
Self::Color(c) => match dbg!(&other) {
@ -105,7 +109,9 @@ impl Sub for Value {
Value::Ident(format!("{}-{}{}{}", c, quotes, s, quotes), QuoteKind::None)
}
Self::Null => Value::Ident(format!("{}-", c), QuoteKind::None),
Self::Dimension(..) => todo!("investigate adding numbers and colors"),
v @ Self::Dimension(..) => {
return Err(format!("Undefined operation \"{} - {}\".", c, v).into())
}
_ => Value::Ident(format!("{}-{}", c, other), QuoteKind::None),
},
Self::BinaryOp(..) | Self::Paren(..) => self.eval()?,
@ -173,7 +179,11 @@ impl Mul for Value {
Self::Null => todo!(),
Self::Dimension(num, unit) => match other {
Self::Dimension(num2, unit2) => Value::Dimension(num * num2, unit),
_ => todo!(),
_ => {
return Err(
format!("Undefined operation \"{}{} * {}\".", num, unit, other).into(),
)
}
},
Self::BinaryOp(..) | Self::Paren(..) => self.eval()?,
_ => todo!("incompatible mul types"),
@ -219,7 +229,9 @@ impl Div for Value {
Value::Ident(format!("{}/{}{}{}", c, quotes, s, quotes), QuoteKind::None)
}
Self::Null => Value::Ident(format!("{}/", c), QuoteKind::None),
Self::Dimension(..) => todo!("investigate adding numbers and colors"),
Self::Dimension(..) => {
return Err(format!("Undefined operation \"{} / {}\".", c, other).into())
}
_ => Value::Ident(format!("{}/{}", c, other), QuoteKind::None),
},
Self::BinaryOp(..) | Self::Paren(..) => self.eval()?,