65 lines
2.5 KiB
PHP
65 lines
2.5 KiB
PHP
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<?php
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/*
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* $Id$
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* This software consists of voluntary contributions made by many individuals
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* and is licensed under the LGPL. For more information, see
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* <http://www.phpdoctrine.org>.
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*/
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/**
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* AliasIdentificationVariable = identifier
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*
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* @author Guilherme Blanco <guilhermeblanco@hotmail.com>
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* @author Janne Vanhala <jpvanhal@cc.hut.fi>
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* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
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* @link http://www.phpdoctrine.org
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* @since 2.0
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* @version $Revision$
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*/
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class Doctrine_ORM_Query_Parser_AliasIdentificationVariable extends Doctrine_ORM_Query_ParserRule
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{
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protected $_AST = null;
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public function syntax($paramHolder)
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{
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// AliasIdentificationVariable = identifier
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$this->_AST = $this->AST('AliasIdentificationVariable');
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$this->_parser->match(Doctrine_ORM_Query_Token::T_IDENTIFIER);
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$this->_AST->setComponentAlias($this->_parser->token['value']);
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}
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public function semantical($paramHolder)
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{
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$parserResult = $this->_parser->getParserResult();
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if ($parserResult->hasQueryComponent($this->_AST->getComponentAlias())) {
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// We should throw semantical error if there's already a component for this alias
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$queryComponent = $parserResult->getQueryComponent($this->_AST->getComponentAlias());
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$componentName = $queryComponent['metadata']->getClassName();
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$message = "Cannot re-declare component alias '" . $this->_AST->getComponentAlias() . "'. "
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. "It was already declared for component '" . $componentName . "'.";
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$this->_parser->semanticalError($message);
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}
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return $this->_AST;
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}
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}
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