Line data    Source code

       1              : /* valaenumvalue.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 an enum value member in the source code.
      27              :  */
      28         1538 : public class Vala.EnumValue : Constant {
      29              :         /**
      30              :          * The nick of this enum-value
      31              :          */
      32              :         public string nick {
      33          264 :                 get {
      34          264 :                         if (_nick == null) {
      35          264 :                                 _nick = get_attribute_string ("Description", "nick");
      36          264 :                                 if (_nick == null) {
      37          263 :                                         _nick = name.ascii_down ().replace ("_", "-");
      38              :                                 }
      39              :                         }
      40          264 :                         return _nick;
      41              :                 }
      42              :         }
      43              : 
      44      1497490 :         private string? _nick = null;
      45              : 
      46              :         /**
      47              :          * Creates a new enum value with the specified numerical representation.
      48              :          *
      49              :          * @param name  enum value name
      50              :          * @param value numerical representation
      51              :          * @return      newly created enum value
      52              :          */
      53      4492470 :         public EnumValue (string name, Expression? value, SourceReference? source_reference = null, Comment? comment = null) {
      54      1497490 :                 base (name, null, value, source_reference, comment);
      55              :         }
      56              : 
      57      3317296 :         public override void accept (CodeVisitor visitor) {
      58      3317296 :                 visitor.visit_enum_value (this);
      59              :         }
      60              : 
      61            0 :         public override void accept_children (CodeVisitor visitor) {
      62            0 :                 if (value != null) {
      63            0 :                         value.accept (visitor);
      64              :                 }
      65              :         }
      66              : 
      67      1401090 :         public override bool check (CodeContext context) {
      68      1401090 :                 if (checked) {
      69         8745 :                         return !error;
      70              :                 }
      71              : 
      72      1392345 :                 checked = true;
      73              : 
      74      1392345 :                 if (value != null) {
      75           58 :                         value.check (context);
      76              : 
      77              :                         // check whether initializer is at least as accessible as the enum value
      78           58 :                         if (!value.is_accessible (this)) {
      79            1 :                                 error = true;
      80            1 :                                 Report.error (value.source_reference, "value is less accessible than enum `%s'", parent_symbol.get_full_name ());
      81              :                         }
      82              :                 }
      83              : 
      84      1392345 :                 return !error;
      85              :         }
      86              : }