ccode/valaccodeswitchstatement.vala

   1 /* valaccodeswitchstatement.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 using Gee;
  25
  26 /**
  27  * Represents a switch selection statement in the C code.
  28  */
  29 public class Vala.CCodeSwitchStatement : CCodeStatement {
  30         /**
  31          * The switch expression.
  32          */
  33         public CCodeExpression expression { get; set; }
  34
  35         private Gee.List<CCodeCaseStatement> case_statements = new ArrayList<CCodeCaseStatement> ();
  36         private Gee.List<CCodeStatement> default_statements = new ArrayList<CCodeStatement> ();
  37
  38         public CCodeSwitchStatement (CCodeExpression expression) {
  39                 this.expression = expression;
  40         }
  41
  42         /**
  43          * Adds the specified case statement to the list of switch sections.
  44          *
  45          * @param case_stmt a case statement
  46          */
  47         public void add_case (CCodeCaseStatement case_stmt) {
  48                 case_statements.add (case_stmt);
  49         }
  50
  51         /**
  52          * Append the specified statement to the default clause.
  53          *
  54          * @param stmt a statement
  55          */
  56         public void add_default_statement (CCodeStatement stmt) {
  57                 default_statements.add (stmt);
  58         }
  59
  60         public override void write (CCodeWriter writer) {
  61                 writer.write_indent (line);
  62                 writer.write_string ("switch (");
  63                 expression.write (writer);
  64                 writer.write_string (")");
  65                 writer.write_begin_block ();
  66
  67                 foreach (CCodeCaseStatement case_stmt in case_statements) {
  68                         case_stmt.write (writer);
  69                 }
  70
  71                 if (default_statements.size > 0) {
  72                         writer.write_indent ();
  73                         writer.write_string ("default:");
  74                         writer.write_newline ();
  75
  76                         foreach (CCodeStatement stmt in default_statements) {
  77                                 stmt.write (writer);
  78                         }
  79                 }
  80
  81                 writer.write_end_block ();
  82         }
  83 }