Method match_sig

cranelift/reader/src/parser.rs:633–641

Match and consume a signature reference.

(&mut self, err_msg: &str)

    // Match and consume a signature reference.
    fn match_sig(&mut self, err_msg: &str) -> ParseResult<SigRef> {
        if let Some(Token::SigRef(sigref)) = self.token() {
            self.consume();
            if let Some(sigref) = SigRef::with_number(sigref) {
                return Ok(sigref);
            }
        }
        err!(self.loc, err_msg)
    }

    // Match and consume a constant reference.
    fn match_constant(&mut self) -> ParseResult<Constant> {