65 lines
2.4 KiB
PHP
65 lines
2.4 KiB
PHP
<?php
|
|
/*
|
|
* $Id$
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
* This software consists of voluntary contributions made by many individuals
|
|
* and is licensed under the LGPL. For more information, see
|
|
* <http://www.phpdoctrine.org>.
|
|
*/
|
|
|
|
/**
|
|
* IdentificationVariable = identifier
|
|
*
|
|
* @package Doctrine
|
|
* @subpackage Query
|
|
* @author Janne Vanhala <jpvanhal@cc.hut.fi>
|
|
* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
|
|
* @link http://www.phpdoctrine.org
|
|
* @since 1.0
|
|
* @version $Revision$
|
|
*/
|
|
class Doctrine_Query_Production_IdentificationVariable extends Doctrine_Query_Production
|
|
{
|
|
protected $_componentAlias;
|
|
|
|
|
|
public function syntax($paramHolder)
|
|
{
|
|
// IdentificationVariable = identifier
|
|
$this->_parser->match(Doctrine_Query_Token::T_IDENTIFIER);
|
|
$this->_componentAlias = $this->_parser->token['value'];
|
|
}
|
|
|
|
|
|
public function semantical($paramHolder)
|
|
{
|
|
$parserResult = $this->_parser->getParserResult();
|
|
|
|
if ($parserResult->hasQueryComponent($this->_componentAlias)) {
|
|
// We should throw semantical error if there's already a component for this alias
|
|
$queryComponent = $parserResult->getQueryComponent($this->_componentAlias);
|
|
$componentName = $queryComponent['metadata']->getClassName();
|
|
|
|
$message = "Cannot re-declare component alias '{$this->_componentAlias}'"
|
|
. "for '".$paramHolder->get('componentName')."'. It was already declared for "
|
|
. "component '{$componentName}'.";
|
|
|
|
$this->_parser->semanticalError($message);
|
|
}
|
|
|
|
return $this->_componentAlias;
|
|
}
|
|
}
|