Doctrine\ORM\Query\Parser::ArithmeticPrimary PHP Méthode

    public function ArithmeticPrimary()
    {
        if ($this->_lexer->isNextToken(Lexer::T_OPEN_PARENTHESIS)) {
            $this->match(Lexer::T_OPEN_PARENTHESIS);
            $expr = $this->SimpleArithmeticExpression();

            $this->match(Lexer::T_CLOSE_PARENTHESIS);

            return $expr;
        }

        switch ($this->_lexer->lookahead['type']) {
            case Lexer::T_IDENTIFIER:
                $peek = $this->_lexer->glimpse();

                if ($peek['value'] == '(') {
                    return $this->FunctionDeclaration();
                }

                if ($peek['value'] == '.') {
                    return $this->SingleValuedPathExpression();
                }

                return $this->StateFieldPathExpression();

            case Lexer::T_INPUT_PARAMETER:
                return $this->InputParameter();

            default:
                $peek = $this->_lexer->glimpse();

                if ($peek['value'] == '(') {
                    if ($this->_isAggregateFunction($this->_lexer->lookahead['type'])) {
                        return $this->AggregateExpression();
                    }

                    return $this->FunctionDeclaration();
                } else {
                    return $this->Literal();
                }
        }
    }

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