vala/valainstancecast.vala

   1 /* valainstancecast.vala
   2  *
   3  * Copyright (C) 2006-2007  Jürg Billeter
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2.1 of the License, or (at your option) any later version.
   9
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14
  15  * You should have received a copy of the GNU Lesser General Public
  16  * License along with this library; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301  USA
  18  *
  19  * Author:
  20  *      Jürg Billeter <j@bitron.ch>
  21  */
  22
  23 using GLib;
  24
  25 /**
  26  * Represents a runtime checked object instance cast expression in the C code.
  27  */
  28 public class Vala.InstanceCast : CCodeFunctionCall {
  29         /**
  30          * The target type.
  31          */
  32         public weak TypeSymbol type_reference { get; set; }
  33
  34         /**
  35          * The expression to be cast.
  36          */
  37         public CCodeExpression inner { get; set; }
  38
  39         /**
  40          * Creates a new instance cast expression.
  41          *
  42          * @param expr an expression
  43          * @param type the target type
  44          * @return     newly created instance cast expression
  45          */
  46         public InstanceCast (CCodeExpression expr, TypeSymbol type) {
  47                 inner = expr;
  48                 type_reference = type;
  49
  50                 call = new CCodeIdentifier (type_reference.get_upper_case_cname (null));
  51                 add_argument ((CCodeExpression) inner);
  52         }
  53 }
  54
  55
  56