21 lines
497 B
PHP
21 lines
497 B
PHP
|
<?php
|
||
|
|
/**
|
||
|
|
* Expression = Term {("+" | "-") Term}
|
||
|
|
*/
|
||
|
|
class Doctrine_Query_Production_Expression extends Doctrine_Query_Production
|
||
|
|
{
|
||
|
|
public function execute(array $params = array())
|
||
|
|
{
|
||
|
|
$this->Term();
|
||
|
|
|
||
|
|
while ($this->_isNextToken('+') || $this->_isNextToken('-')) {
|
||
|
|
if ($this->_isNextToken('+')) {
|
||
|
|
$this->_parser->match('+');
|
||
|
|
} else{
|
||
|
|
$this->_parser->match('-');
|
||
|
|
}
|
||
|
|
$this->Term();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|