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fixed the "!" operation

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This commit is contained in:
afonya2 2025-05-30 22:09:13 +02:00
parent 0c60e98d9f
commit e9d1f9bbd6
Signed by: afonya
GPG key ID: EBB9C4CAFAAFB2DC
3 changed files with 34 additions and 18 deletions
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41
src/parser.rs
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@ -228,20 +228,35 @@ fn shunt(input: Vec<ASTPart>) -> ASTPart {
i += 1;
continue;
}
if i < 2 {
panic!("Unexpected operation at {}", op.pos);
if op.operator == "!" {
println!("{:?}", output);
if i < 1 {
panic!("Unexpected operation at {}", op.pos);
}
let left = output[i-1].clone();
output[i] = ASTPart::Operation(AstOperation {
operator: op.operator.clone(),
left: Box::new(left),
right: Box::new(ASTPart::NOOP),
pos: op.pos,
});
output.remove(i-1);
} else {
if i < 2 {
panic!("Unexpected operation at {}", op.pos);
}
let left = output[i-2].clone();
let right = output[i-1].clone();
output[i] = ASTPart::Operation(AstOperation {
operator: op.operator.clone(),
left: Box::new(left),
right: Box::new(right),
pos: op.pos,
});
output.remove(i-2);
output.remove(i-2);
i -= 1;
}
let left = output[i-2].clone();
let right = output[i-1].clone();
output[i] = ASTPart::Operation(AstOperation {
operator: op.operator.clone(),
left: Box::new(left),
right: Box::new(right),
pos: op.pos,
});
output.remove(i-2);
output.remove(i-2);
i -= 1;
}
_ => {
i += 1;