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Prepare eval error handling for cli arg errors

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This commit is contained in:
Joscha 2021-12-18 23:31:27 +01:00
parent 279bf4a4d1
commit ff627b98df
8 changed files with 107 additions and 93 deletions
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66
src/eval/command/formula.rs
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@ -46,7 +46,7 @@ pub enum Var {
}
impl Var {
fn eval(self, file: usize, date: NaiveDate) -> Result<i64> {
fn eval(self, index: usize, date: NaiveDate) -> Result<i64> {
Ok(match self {
Var::JulianDay => date.num_days_from_ce().into(),
Var::Year => date.year().into(),
@ -81,7 +81,7 @@ impl Var {
}
Var::Easter(span) => {
let e = computus::gregorian(date.year()).map_err(|e| Error::Easter {
file,
index,
span,
date,
msg: e,
@ -199,46 +199,46 @@ impl From<Weekday> for Expr {
}
impl Expr {
fn eval(&self, file: usize, date: NaiveDate) -> Result<i64> {
fn eval(&self, index: usize, date: NaiveDate) -> Result<i64> {
Ok(match self {
Expr::Lit(l) => *l,
Expr::Var(v) => v.eval(file, date)?,
Expr::Neg(e) => -e.eval(file, date)?,
Expr::Add(a, b) => a.eval(file, date)? + b.eval(file, date)?,
Expr::Sub(a, b) => a.eval(file, date)? - b.eval(file, date)?,
Expr::Mul(a, b) => a.eval(file, date)? * b.eval(file, date)?,
Expr::Var(v) => v.eval(index, date)?,
Expr::Neg(e) => -e.eval(index, date)?,
Expr::Add(a, b) => a.eval(index, date)? + b.eval(index, date)?,
Expr::Sub(a, b) => a.eval(index, date)? - b.eval(index, date)?,
Expr::Mul(a, b) => a.eval(index, date)? * b.eval(index, date)?,
Expr::Div(a, b, span) => {
let b = b.eval(file, date)?;
let b = b.eval(index, date)?;
if b == 0 {
return Err(Error::DivByZero {
file,
index,
span: *span,
date,
});
}
a.eval(file, date)?.div_euclid(b)
a.eval(index, date)?.div_euclid(b)
}
Expr::Mod(a, b, span) => {
let b = b.eval(file, date)?;
let b = b.eval(index, date)?;
if b == 0 {
return Err(Error::ModByZero {
file,
index,
span: *span,
date,
});
}
a.eval(file, date)?.rem_euclid(b)
a.eval(index, date)?.rem_euclid(b)
}
Expr::Eq(a, b) => b2i(a.eval(file, date)? == b.eval(file, date)?),
Expr::Neq(a, b) => b2i(a.eval(file, date)? != b.eval(file, date)?),
Expr::Lt(a, b) => b2i(a.eval(file, date)? < b.eval(file, date)?),
Expr::Lte(a, b) => b2i(a.eval(file, date)? <= b.eval(file, date)?),
Expr::Gt(a, b) => b2i(a.eval(file, date)? > b.eval(file, date)?),
Expr::Gte(a, b) => b2i(a.eval(file, date)? >= b.eval(file, date)?),
Expr::Not(e) => b2i(!i2b(e.eval(file, date)?)),
Expr::And(a, b) => b2i(i2b(a.eval(file, date)?) && i2b(b.eval(file, date)?)),
Expr::Or(a, b) => b2i(i2b(a.eval(file, date)?) || i2b(b.eval(file, date)?)),
Expr::Xor(a, b) => b2i(i2b(a.eval(file, date)?) ^ i2b(b.eval(file, date)?)),
Expr::Eq(a, b) => b2i(a.eval(index, date)? == b.eval(index, date)?),
Expr::Neq(a, b) => b2i(a.eval(index, date)? != b.eval(index, date)?),
Expr::Lt(a, b) => b2i(a.eval(index, date)? < b.eval(index, date)?),
Expr::Lte(a, b) => b2i(a.eval(index, date)? <= b.eval(index, date)?),
Expr::Gt(a, b) => b2i(a.eval(index, date)? > b.eval(index, date)?),
Expr::Gte(a, b) => b2i(a.eval(index, date)? >= b.eval(index, date)?),
Expr::Not(e) => b2i(!i2b(e.eval(index, date)?)),
Expr::And(a, b) => b2i(i2b(a.eval(index, date)?) && i2b(b.eval(index, date)?)),
Expr::Or(a, b) => b2i(i2b(a.eval(index, date)?) || i2b(b.eval(index, date)?)),
Expr::Xor(a, b) => b2i(i2b(a.eval(index, date)?) ^ i2b(b.eval(index, date)?)),
})
}
}
@ -341,29 +341,29 @@ impl FormulaSpec {
s.limit_from_until(range)
}
fn dates(&self, file: usize, start: NaiveDate) -> Result<Dates> {
let root = self.start_delta.apply_date(file, start)?;
fn dates(&self, index: usize, start: NaiveDate) -> Result<Dates> {
let root = self.start_delta.apply_date(index, start)?;
Ok(if let Some(root_time) = self.start_time {
let (other, other_time) = self.end_delta.apply_date_time(file, root, root_time)?;
let (other, other_time) = self.end_delta.apply_date_time(index, root, root_time)?;
Dates::new_with_time(root, root_time, other, other_time)
} else {
let other = self.end_delta.apply_date(file, root)?;
let other = self.end_delta.apply_date(index, root)?;
Dates::new(root, other)
})
}
fn eval(&self, file: usize, date: NaiveDate) -> Result<bool> {
Ok(i2b(self.start.eval(file, date)?))
fn eval(&self, index: usize, date: NaiveDate) -> Result<bool> {
Ok(i2b(self.start.eval(index, date)?))
}
}
impl<'a> CommandState<'a> {
pub fn eval_formula_spec(&mut self, spec: FormulaSpec) -> Result<()> {
if let Some(range) = spec.range(self) {
let file = self.command.source.file();
let index = self.command.source.file();
for day in range.days() {
if spec.eval(file, day)? {
let dates = spec.dates(file, day)?;
if spec.eval(index, day)? {
let dates = spec.dates(index, day)?;
self.add(self.kind(), Some(dates));
}
}