ccode/valaccodecommaexpression.vala

   1 /* valaccodecommaexpression.vala
   2  *
   3  * Copyright (C) 2006-2010  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 comma separated expression list in the C code.
  27  */
  28 public class Vala.CCodeCommaExpression : CCodeExpression {
  29         private List<CCodeExpression> inner = new ArrayList<CCodeExpression> ();
  30
  31         /**
  32          * Appends the specified expression to the expression list.
  33          *
  34          * @param expr a C code expression
  35          */
  36         public void append_expression (CCodeExpression expr) {
  37                 inner.add (expr);
  38         }
  39
  40         public void set_expression (int index, CCodeExpression expr) {
  41                 inner[index] = expr;
  42         }
  43
  44         public List<CCodeExpression> get_inner () {
  45                 return inner;
  46         }
  47
  48         public override void write (CCodeWriter writer) {
  49                 bool first = true;
  50
  51                 writer.write_string ("(");
  52                 foreach (CCodeExpression expr in inner) {
  53                         if (!first) {
  54                                 writer.write_string (", ");
  55                         } else {
  56                                 first = false;
  57                         }
  58                         expr.write (writer);
  59                 }
  60                 writer.write_string (")");
  61         }
  62 }