public function parse(Parser $parser)
    {
        $parser->match(Lexer::T_IDENTIFIER);
        $parser->match(Lexer::T_OPEN_PARENTHESIS);
        $this->entityLocation = $parser->ArithmeticPrimary();
        $parser->match(Lexer::T_COMMA);
        $this->latitude = $parser->ArithmeticPrimary();
        $parser->match(Lexer::T_COMMA);
        $this->longitude = $parser->ArithmeticPrimary();
        $parser->match(Lexer::T_CLOSE_PARENTHESIS);
    }