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Implement return keyword

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Sam Mohr 2024-10-20 04:50:12 -07:00
parent 20a539a96d
commit b3e60f9d3a
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39 changed files with 594 additions and 80 deletions
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18
crates/compiler/problem/src/can.rs
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@ -242,6 +242,12 @@ pub enum Problem {
one_occurrence: Region,
kind: AliasKind,
},
ReturnOutsideOfFunction {
region: Region,
},
StatementsAfterReturn {
region: Region,
},
}
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
@ -323,6 +329,8 @@ impl Problem {
Problem::OverAppliedDbg { .. } => RuntimeError,
Problem::DefsOnlyUsedInRecursion(_, _) => Warning,
Problem::FileProblem { .. } => Fatal,
Problem::ReturnOutsideOfFunction { .. } => Warning,
Problem::StatementsAfterReturn { .. } => Warning,
}
}
@ -434,6 +442,7 @@ impl Problem {
field: region,
})
| Problem::RuntimeError(RuntimeError::ReadIngestedFileError { region, .. })
| Problem::RuntimeError(RuntimeError::ReturnOutsideOfFunction(region))
| Problem::InvalidAliasRigid { region, .. }
| Problem::InvalidInterpolation(region)
| Problem::InvalidHexadecimal(region)
@ -485,7 +494,9 @@ impl Problem {
| Problem::UnappliedCrash { region }
| Problem::OverAppliedDbg { region }
| Problem::UnappliedDbg { region }
| Problem::DefsOnlyUsedInRecursion(_, region) => Some(*region),
| Problem::DefsOnlyUsedInRecursion(_, region)
| Problem::ReturnOutsideOfFunction { region }
| Problem::StatementsAfterReturn { region } => Some(*region),
Problem::RuntimeError(RuntimeError::CircularDef(cycle_entries))
| Problem::BadRecursion(cycle_entries) => {
cycle_entries.first().map(|entry| entry.expr_region)
@ -692,6 +703,8 @@ pub enum RuntimeError {
},
MalformedSuffixed(Region),
ReturnOutsideOfFunction(Region),
}
impl RuntimeError {
@ -740,7 +753,8 @@ impl RuntimeError {
record: _,
field: region,
}
| RuntimeError::ReadIngestedFileError { region, .. } => *region,
| RuntimeError::ReadIngestedFileError { region, .. }
| RuntimeError::ReturnOutsideOfFunction(region) => *region,
RuntimeError::InvalidUnicodeCodePt(region) => *region,
RuntimeError::UnresolvedTypeVar | RuntimeError::ErroneousType => Region::zero(),
RuntimeError::LookupNotInScope { loc_name, .. } => loc_name.region,