vala/valamemberinitializer.vala

   1 /* valamemberinitializer.vala
   2  *
   3  * Copyright (C) 2007-2010  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 a member initializer, i.e. an element of an object initializer, in
  27  * the source code.
  28  */
  29 public class Vala.MemberInitializer : CodeNode {
  30         /**
  31          * Member name.
  32          */
  33         public string name { get; set; }
  34
  35         /**
  36          * Initializer expression.
  37          */
  38         public Expression initializer {
  39                 get { return _initializer; }
  40                 set {
  41                         _initializer = value;
  42                         _initializer.parent_node = this;
  43                 }
  44         }
  45
  46         /**
  47          * The symbol this expression refers to.
  48          */
  49         public weak Symbol symbol_reference { get; set; }
  50
  51         Expression _initializer;
  52
  53         /**
  54          * Creates a new member initializer.
  55          *
  56          * @param name             member name
  57          * @param initializer      initializer expression
  58          * @param source_reference reference to source code
  59          * @return                 newly created member initializer
  60          */
  61         public MemberInitializer (string name, Expression initializer, SourceReference? source_reference = null) {
  62                 this.initializer = initializer;
  63                 this.source_reference = source_reference;
  64                 this.name = name;
  65         }
  66
  67         public override void accept (CodeVisitor visitor) {
  68                 initializer.accept (visitor);
  69         }
  70
  71         public override bool check (CodeContext context) {
  72                 return initializer.check (context);
  73         }
  74
  75         public override void emit (CodeGenerator codegen) {
  76                 initializer.emit (codegen);
  77         }
  78
  79         public override void get_used_variables (Collection<Variable> collection) {
  80                 initializer.get_used_variables (collection);
  81         }
  82
  83         public override void replace_expression (Expression old_node, Expression new_node) {
  84                 if (initializer == old_node) {
  85                         initializer = new_node;
  86                 }
  87         }
  88 }
  89