Method source_loc_from

winch/codegen/src/codegen/mod.rs:264–270

Derives a [RelSourceLoc] from a [SourceLoc].

(&mut self, loc: SourceLoc)

    /// Derives a [RelSourceLoc] from a [SourceLoc].
    pub fn source_loc_from(&mut self, loc: SourceLoc) -> RelSourceLoc {
        if self.source_location.base.is_none() && !loc.is_default() {
            self.source_location.base = Some(loc);
        }

        RelSourceLoc::from_base_offset(self.source_location.base.unwrap_or_default(), loc)
    }

    /// The following two helpers, handle else or end instructions when the
    /// compiler has entered into an unreachable code state. These instructions