ccode/valaccodeconditionalexpression.vala

   1 /* valaccodeconditionalexpression.vala
   2  *
   3  * Copyright (C) 2006-2008  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 conditional expression in C code.
  27  */
  28 public class Vala.CCodeConditionalExpression : CCodeExpression {
  29         /**
  30          * The condition.
  31          */
  32         public CCodeExpression condition { get; set; }
  33
  34         /**
  35          * The expression to be evaluated if the condition holds.
  36          */
  37         public CCodeExpression true_expression { get; set; }
  38
  39         /**
  40          * The expression to be evaluated if the condition doesn't hold.
  41          */
  42         public CCodeExpression false_expression { get; set; }
  43
  44         public CCodeConditionalExpression (CCodeExpression cond, CCodeExpression true_expr, CCodeExpression false_expr) {
  45                 condition = cond;
  46                 true_expression = true_expr;
  47                 false_expression = false_expr;
  48         }
  49
  50         public override void write (CCodeWriter writer) {
  51                 condition.write_inner (writer);
  52                 writer.write_string (" ? ");
  53                 true_expression.write_inner (writer);
  54                 writer.write_string (" : ");
  55                 false_expression.write_inner (writer);
  56         }
  57
  58         public override void write_inner (CCodeWriter writer) {
  59                 writer.write_string ("(");
  60                 this.write (writer);
  61                 writer.write_string (")");
  62         }
  63 }