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Add evaluating of simple maths

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Signed-off-by: Marcel Müller <neikos@neikos.email>
This commit is contained in:
Marcel Müller 2026-03-12 17:29:45 +01:00
parent 05c095ccfe
commit d222573a3a
8 changed files with 543 additions and 4 deletions
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141
src/value.rs
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@ -97,6 +97,147 @@ impl NomoValue {
None
}
}
pub(crate) fn try_add(&self, right_value: &NomoValue) -> Option<NomoValue> {
match (self, right_value) {
(NomoValue::Integer { value: lval }, NomoValue::Integer { value: rval }) => {
Some(NomoValue::Integer {
value: *lval + *rval,
})
}
(
NomoValue::SignedInteger { value: lval },
NomoValue::SignedInteger { value: rval },
) => Some(NomoValue::SignedInteger {
value: *lval + *rval,
}),
(NomoValue::Integer { value: val }, NomoValue::SignedInteger { value: sval })
| (NomoValue::SignedInteger { value: sval }, NomoValue::Integer { value: val }) => {
Some(NomoValue::SignedInteger {
value: (i64::try_from(*val).ok()?) + *sval,
})
}
(NomoValue::String { value: rstr }, NomoValue::String { value: lstr }) => {
Some(NomoValue::String {
value: Cow::Owned(format!("{rstr}{lstr}")),
})
}
_ => None,
}
}
pub(crate) fn try_sub(&self, right_value: &NomoValue) -> Option<NomoValue> {
macro_rules! op {
($left:expr, $right:expr) => {{ ($left) - ($right) }};
}
match (self, right_value) {
(NomoValue::Integer { value: lval }, NomoValue::Integer { value: rval }) => {
Some(NomoValue::Integer {
value: op!(*lval, *rval),
})
}
(
NomoValue::SignedInteger { value: lval },
NomoValue::SignedInteger { value: rval },
) => Some(NomoValue::SignedInteger {
value: op!(*lval, *rval),
}),
(NomoValue::Integer { value: val }, NomoValue::SignedInteger { value: sval })
| (NomoValue::SignedInteger { value: sval }, NomoValue::Integer { value: val }) => {
Some(NomoValue::SignedInteger {
value: op!(i64::try_from(*val).ok()?, *sval),
})
}
_ => None,
}
}
pub(crate) fn try_mul(&self, right_value: &NomoValue) -> Option<NomoValue> {
macro_rules! op {
($left:expr, $right:expr) => {{ ($left) * ($right) }};
}
match (self, right_value) {
(NomoValue::Integer { value: lval }, NomoValue::Integer { value: rval }) => {
Some(NomoValue::Integer {
value: op!(*lval, *rval),
})
}
(
NomoValue::SignedInteger { value: lval },
NomoValue::SignedInteger { value: rval },
) => Some(NomoValue::SignedInteger {
value: op!(*lval, *rval),
}),
(NomoValue::Integer { value: val }, NomoValue::SignedInteger { value: sval })
| (NomoValue::SignedInteger { value: sval }, NomoValue::Integer { value: val }) => {
Some(NomoValue::SignedInteger {
value: op!(i64::try_from(*val).ok()?, *sval),
})
}
_ => None,
}
}
pub(crate) fn try_div(&self, right_value: &NomoValue) -> Option<NomoValue> {
macro_rules! op {
($left:expr, $right:expr) => {{ ($left) / ($right) }};
}
match (self, right_value) {
(NomoValue::Integer { value: lval }, NomoValue::Integer { value: rval }) => {
Some(NomoValue::Integer {
value: op!(*lval, *rval),
})
}
(
NomoValue::SignedInteger { value: lval },
NomoValue::SignedInteger { value: rval },
) => Some(NomoValue::SignedInteger {
value: op!(*lval, *rval),
}),
(NomoValue::Integer { value: val }, NomoValue::SignedInteger { value: sval })
| (NomoValue::SignedInteger { value: sval }, NomoValue::Integer { value: val }) => {
Some(NomoValue::SignedInteger {
value: op!(i64::try_from(*val).ok()?, *sval),
})
}
_ => None,
}
}
pub(crate) fn try_and(&self, right_value: &NomoValue) -> Option<NomoValue> {
match (self, right_value) {
(NomoValue::Bool { value: lval }, NomoValue::Bool { value: rval }) => {
Some(NomoValue::Bool {
value: *lval && *rval,
})
}
_ => None,
}
}
pub(crate) fn try_or(&self, right_value: &NomoValue) -> Option<NomoValue> {
match (self, right_value) {
(NomoValue::Bool { value: lval }, NomoValue::Bool { value: rval }) => {
Some(NomoValue::Bool {
value: *lval || *rval,
})
}
_ => None,
}
}
pub(crate) fn try_to_string(&self) -> Option<String> {
match self {
NomoValue::String { value } => Some(value.to_string()),
NomoValue::Array { .. } => None,
NomoValue::Bool { value } => Some(value.to_string()),
NomoValue::Object { .. } => None,
NomoValue::Integer { value } => Some(value.to_string()),
NomoValue::SignedInteger { value } => Some(value.to_string()),
NomoValue::Float { value } => Some(value.to_string()),
NomoValue::Iterator { .. } => None,
}
}
}
pub trait CloneIterator: Iterator<Item = NomoValue> {