Function resolve_die_ref

crates/cranelift/src/debug/transform/utils.rs:51–65

(
    unit: UnitRef<'a, Reader<'r>>,
    die_ref: &AttributeValue<Reader<'r>>,
)

}

pub fn resolve_die_ref<'a, 'r>(
    unit: UnitRef<'a, Reader<'r>>,
    die_ref: &AttributeValue<Reader<'r>>,
) -> Result<Option<write::ConvertUnitEntry<'a, Reader<'r>>>, Error> {
    let die = match die_ref {
        AttributeValue::UnitRef(unit_offs) => {
            Some(write::ConvertUnitEntry::read(unit, *unit_offs)?)
        }
        // TODO-DebugInfo: support AttributeValue::DebugInfoRef. The trouble is that we don't have
        // a fast way to go from a DI offset to a unit offset (which is needed to parse the DIE).
        // We would likely need to maintain a cache.
        _ => None,
    };
    Ok(die)
}