Method parse_run_comparison

cranelift/reader/src/parser.rs:2579–2589

Parse a comparison operator for run commands. comparison ::= "==" | "!="

(&mut self)

    ///
    /// comparison ::= "==" | "!="
    fn parse_run_comparison(&mut self) -> ParseResult<Comparison> {
        if self.optional(Token::Equal) {
            self.match_token(Token::Equal, "expected another =")?;
            Ok(Comparison::Equals)
        } else if self.optional(Token::Bang) {
            self.match_token(Token::Equal, "expected a =")?;
            Ok(Comparison::NotEquals)
        } else {
            Err(self.error("unable to parse a valid comparison operator"))
        }
    }

    /// Parse the expected return values of a run invocation.
    ///