[2.0] Implementation of StateField grammar rule. Updated SelectExpression AST node

lib/Doctrine/ORM/Query/AST/SelectExpression.php

@@ -20,7 +20,8 @@
  */
 
 /**
- * SelectClause = "SELECT" ["DISTINCT"] SelectExpression {"," SelectExpression}
+ * SelectExpression ::= IdentificationVariable ["." "*"] | StateFieldPathExpression |
+ *	                    (AggregateExpression | "(" Subselect ")") [["AS"] FieldAliasIdentificationVariable]
  *
  * @author      Guilherme Blanco <guilhermeblanco@hotmail.com>
  * @license     http://www.opensource.org/licenses/lgpl-license.php LGPL

lib/Doctrine/ORM/Query/Parser/StateField.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>.
+ */
+
+/**
+ * StateField ::= {EmbeddedClassStateField "."}* SimpleStateField
+ *
+ * @author      Guilherme Blanco <guilhermeblanco@hotmail.com>
+ * @author      Janne Vanhala <jpvanhal@cc.hut.fi>
+ * @license     http://www.opensource.org/licenses/lgpl-license.php LGPL
+ * @link        http://www.doctrine-doctrine.org
+ * @since       2.0
+ * @version     $Revision$
+ */
+class Doctrine_ORM_Query_Parser_StateField extends Doctrine_ORM_Query_ParserRule
+{
+    protected $_AST = null;
+    
+    
+    public function syntax()
+    {
+        // StateField ::= {EmbeddedClassStateField "."}* SimpleStateField
+        $this->_AST = $this->AST('StateField');
+
+        while ($this->_parser->lookahead['type'] == Doctrine_ORM_Query_Token::T_IDENTIFIER && 
+               $this->_isNextToken(Doctrine_ORM_Query_Token::T_DOT)) {
+            $this->_AST->addEmbeddedClassStateField($this->parse('EmbeddedClassStateField'));
+            $this->_parser->match(Doctrine_ORM_Query_Token::T_DOT); 
+        }
+        
+        $this->_AST->setSimpleStateField($this->parse('SimpleStateField'));
+    }
+}
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