Method start_srcloc

cranelift/codegen/src/machinst/buffer.rs:1795–1799

Set the `SourceLoc` for code from this offset until the offset at the next call to `end_srcloc()`. Returns the current [CodeOffset] and [RelSourceLoc].

(&mut self, loc: RelSourceLoc)

    /// next call to `end_srcloc()`.
    /// Returns the current [CodeOffset] and [RelSourceLoc].
    pub fn start_srcloc(&mut self, loc: RelSourceLoc) -> (CodeOffset, RelSourceLoc) {
        let cur = (self.cur_offset(), loc);
        self.cur_srcloc = Some(cur);
        cur
    }

    /// Mark the end of the `SourceLoc` segment started at the last
    /// `start_srcloc()` call.