Method optional_srcloc

cranelift/reader/src/parser.rs:940–952

Parse an optional source location. Return an optional source location if no real location is present.

(&mut self)

    ///
    /// Return an optional source location if no real location is present.
    fn optional_srcloc(&mut self) -> ParseResult<ir::SourceLoc> {
        if let Some(Token::SourceLoc(text)) = self.token() {
            match u32::from_str_radix(text, 16) {
                Ok(num) => {
                    self.consume();
                    Ok(ir::SourceLoc::new(num))
                }
                Err(_) => return err!(self.loc, "invalid source location: {}", text),
            }
        } else {
            Ok(Default::default())
        }
    }

    /// Parse an optional list of debug tags.
    fn optional_debug_tags(&mut self) -> ParseResult<Vec<DebugTag>> {