vala/valaswitchlabel.vala

   1 /* valaswitchlabel.vala
   2  *
   3  * Copyright (C) 2006  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 switch label in the source code.
  27  */
  28 public class Vala.SwitchLabel : CodeNode {
  29         /**
  30          * Specifies the label expression.
  31          */
  32         public Expression expression { get; set; }
  33
  34         /**
  35          * Creates a new switch case label.
  36          *
  37          * @param expr   label expression
  38          * @param source reference to source code
  39          * @return       newly created switch case label
  40          */
  41         public SwitchLabel (Expression expr, SourceReference? source = null) {
  42                 expression = expr;
  43                 source_reference = source;
  44         }
  45
  46         /**
  47          * Creates a new switch default label.
  48          *
  49          * @param source reference to source code
  50          * @return       newly created switch default label
  51          */
  52         public SwitchLabel.with_default (SourceReference? source = null) {
  53                 source_reference = source;
  54         }
  55
  56         public override void accept (CodeVisitor visitor) {
  57                 visitor.visit_switch_label (this);
  58         }
  59
  60         public override void accept_children (CodeVisitor visitor) {
  61                 if (expression != null) {
  62                         expression.accept (visitor);
  63
  64                         visitor.visit_end_full_expression (expression);
  65                 }
  66         }
  67
  68         public override bool check (SemanticAnalyzer analyzer) {
  69                 if (expression != null) {
  70                         expression.check (analyzer);
  71                 }
  72
  73                 return true;
  74         }
  75 }