text: /*****************************************************************************
   *                                                                           *
   *  This file is part of the BeanShell Java Scripting distribution.          *
   *  Documentation and updates may be found at http://www.beanshell.org/      *
   *                                                                           *
   *  Sun Public License Notice:                                               *
   *                                                                           *
   *  The contents of this file are subject to the Sun Public License Version  *
   *  1.0 (the "License"); you may not use this file except in compliance with *
   *  the License. A copy of the License is available at http://www.sun.com    * 
   *                                                                           *
   *  The Original Code is BeanShell. The Initial Developer of the Original    *
   *  Code is Pat Niemeyer. Portions created by Pat Niemeyer are Copyright     *
   *  (C) 2000.  All Rights Reserved.                                          *
   *                                                                           *
   *  GNU Public License Notice:                                               *
   *                                                                           *
   *  Alternatively, the contents of this file may be used under the terms of  *
   *  the GNU Lesser General Public License (the "LGPL"), in which case the    *
   *  provisions of LGPL are applicable instead of those above. If you wish to *
   *  allow use of your version of this file only under the  terms of the LGPL *
   *  and not to allow others to use your version of this file under the SPL,  *
   *  indicate your decision by deleting the provisions above and replace      *
   *  them with the notice and other provisions required by the LGPL.  If you  *
   *  do not delete the provisions above, a recipient may use your version of  *
   *  this file under either the SPL or the LGPL.                              *
   *                                                                           *
   *  Patrick Niemeyer (pat@pat.net)                                           *
   *  Author of Learning Java, O'Reilly & Associates                           *
   *  http://www.pat.net/~pat/                                                 *
   *                                                                           *
   *****************************************************************************/
  
  package bsh;
  
  class BSHTypedVariableDeclaration extends SimpleNode
  {
  	public Modifiers modifiers;
  	
      BSHTypedVariableDeclaration(int id) { super(id); }
  
  	private BSHType getTypeNode() {
  		return ((BSHType)jjtGetChild(0));
  	}
  
  	Class evalType( CallStack callstack, Interpreter interpreter )
  		throws EvalError
  	{
  		BSHType typeNode = getTypeNode();
  		return typeNode.getType( callstack, interpreter );
  	}
  
  	BSHVariableDeclarator [] getDeclarators() 
  	{
  		int n = jjtGetNumChildren();
  		int start=1;
  		BSHVariableDeclarator [] bvda = new BSHVariableDeclarator[ n-start ];
  		for (int i = start; i < n; i++)
  		{
  			bvda[i-start] = (BSHVariableDeclarator)jjtGetChild(i);
  		}
  		return bvda;
  	}
  
  	/**
  		evaluate the type and one or more variable declarators, e.g.:
  			int a, b=5, c;
  	*/
      public Object eval( CallStack callstack, Interpreter interpreter)  
  		throws EvalError
      {
  		try {
  			NameSpace namespace = callstack.top();
  			BSHType typeNode = getTypeNode();
  			Class type = typeNode.getType( callstack, interpreter );
  
  			BSHVariableDeclarator [] bvda = getDeclarators();
  			for (int i = 0; i < bvda.length; i++)
  			{
  				BSHVariableDeclarator dec = bvda[i];
  
  				// Type node is passed down the chain for array initializers
  				// which need it under some circumstances
  				Object value = dec.eval( typeNode, callstack, interpreter);
  
  				try {
  					namespace.setTypedVariable( 
  						dec.name, type, value, modifiers );
  				} catch ( UtilEvalError e ) { 
  					throw e.toEvalError( this, callstack ); 
  				}
  			}
  		} catch ( EvalError e ) {
  			e.reThrow( "Typed variable declaration" );
  		}
  
          return Primitive.VOID;
      }
  
  	public String getTypeDescriptor( 
  		CallStack callstack, Interpreter interpreter, String defaultPackage ) 
  	{ 
  		return getTypeNode().getTypeDescriptor( 
  			callstack, interpreter, defaultPackage );
  	}
  }
  