vala/valadelegatetype.vala

   1 /* valadelegatetype.vala
   2  *
   3  * Copyright (C) 2007-2008  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 using Gee;
  25
  26 /**
  27  * The type of an instance of a delegate.
  28  */
  29 public class Vala.DelegateType : DataType {
  30         public Delegate delegate_symbol { get; set; }
  31
  32         public DelegateType (Delegate delegate_symbol) {
  33                 this.delegate_symbol = delegate_symbol;
  34         }
  35
  36         public override bool is_invokable () {
  37                 return true;
  38         }
  39
  40         public override DataType? get_return_type () {
  41                 return delegate_symbol.return_type;
  42         }
  43
  44         public override Gee.List<FormalParameter>? get_parameters () {
  45                 return delegate_symbol.get_parameters ();
  46         }
  47
  48         public override string to_qualified_string (Scope? scope) {
  49                 string s = delegate_symbol.get_full_name ();
  50                 if (nullable) {
  51                         s += "?";
  52                 }
  53                 return s;
  54         }
  55
  56         public override DataType copy () {
  57                 return new DelegateType (delegate_symbol);
  58         }
  59
  60         public override string? get_cname () {
  61                 return delegate_symbol.get_cname ();
  62         }
  63
  64         public override Gee.List<Symbol> get_symbols () {
  65                 var symbols = new ArrayList<Symbol> ();
  66                 symbols.add (delegate_symbol);
  67                 return symbols;
  68         }
  69
  70         public override string? get_type_id () {
  71                 return "G_TYPE_POINTER";
  72         }
  73
  74         public override bool check (SemanticAnalyzer analyzer) {
  75                 return delegate_symbol.check (analyzer);
  76         }
  77 }