vala/valastructvaluetype.vala

   1 /* valastructvaluetype.vala
   2  *
   3  * Copyright (C) 2009  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  * A struct value type.
  27  */
  28 public class Vala.StructValueType : ValueType {
  29         public StructValueType (Struct type_symbol) {
  30                 base (type_symbol);
  31         }
  32
  33         public override bool is_invokable () {
  34                 var st = type_symbol as Struct;
  35                 if (st != null && st.default_construction_method != null) {
  36                         return true;
  37                 } else {
  38                         return false;
  39                 }
  40         }
  41
  42         public override DataType? get_return_type () {
  43                 var st = type_symbol as Struct;
  44                 if (st != null && st.default_construction_method != null) {
  45                         return st.default_construction_method.return_type;
  46                 } else {
  47                         return null;
  48                 }
  49         }
  50
  51         public override List<FormalParameter>? get_parameters () {
  52                 var st = type_symbol as Struct;
  53                 if (st != null && st.default_construction_method != null) {
  54                         return st.default_construction_method.get_parameters ();
  55                 } else {
  56                         return null;
  57                 }
  58         }
  59
  60         public override DataType copy () {
  61                 var result = new StructValueType ((Struct) type_symbol);
  62                 result.source_reference = source_reference;
  63                 result.value_owned = value_owned;
  64                 result.nullable = nullable;
  65
  66                 foreach (DataType arg in get_type_arguments ()) {
  67                         result.add_type_argument (arg.copy ());
  68                 }
  69
  70                 return result;
  71         }
  72 }