Opsway\Doctrine\ORM\Query\AST\Functions\TsConcat::parse PHP Метод

    public function parse(Parser $parser)
    {
        $lexer = $parser->getLexer();
        $parser->match(Lexer::T_IDENTIFIER);
        $parser->match(Lexer::T_OPEN_PARENTHESIS);
        $this->expr[] = $parser->StringPrimary();
        $parser->match(Lexer::T_COMMA);
        $this->expr[] = $parser->StringPrimary();
        while (Lexer::T_COMMA === $lexer->lookahead['type']) {
            $parser->match(Lexer::T_COMMA);
            $this->expr[] = $parser->StringPrimary();
        }
        $parser->match(Lexer::T_CLOSE_PARENTHESIS);
    }