Method consume_binary_number

crates/gitql-parser/src/tokenizer.rs:537–572

(&mut self)

    }

    fn consume_binary_number(&mut self) -> Result<Token, Box<Diagnostic>> {
        let start_index = self.index;
        while self.is_current_char_func(|c| c == '_' || c == '0' || c >= '1') {
            self.advance();
        }

        if start_index == self.index {
            return Err(
                Diagnostic::error("Missing digits after the integer base prefix")
                    .add_help("Expect at least one binary digits after the prefix 0b")
                    .add_help("Binary digit mean 0 or 1")
                    .with_location(self.current_source_location())
                    .as_boxed(),
            );
        }

        let literal = &self.content[start_index..self.index];
        let string: String = literal.iter().collect();
        let literal_num = string.replace('_', "");

        const BINARY_RADIX: u32 = 2;
        match i64::from_str_radix(&literal_num, BINARY_RADIX) {
            Ok(integer) => {
                let location = self.current_source_location();
                Ok(Token::new(TokenKind::Integer(integer), location))
            }
            Err(parse_int_error) => Err(Diagnostic::error(&parse_int_error.to_string())
                .add_note(&format!(
                    "Value must be between {} and {}",
                    i64::MIN,
                    i64::MAX
                ))
                .with_location(self.current_source_location())
                .as_boxed()),
        }
    }

    fn consume_octal_number(&mut self) -> Result<Token, Box<Diagnostic>> {
        let start_index = self.index;