Experiments/Attic/Rook/Castle.Rook.Compiler/AST/ASTNodeCollection.cs

   1 // Copyright 2004-2007 Castle Project - http://www.castleproject.org/
   2 //
   3 // Licensed under the Apache License, Version 2.0 (the "License");
   4 // you may not use this file except in compliance with the License.
   5 // You may obtain a copy of the License at
   6 //
   7 //     http://www.apache.org/licenses/LICENSE-2.0
   8 //
   9 // Unless required by applicable law or agreed to in writing, software
  10 // distributed under the License is distributed on an "AS IS" BASIS,
  11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12 // See the License for the specific language governing permissions and
  13 // limitations under the License.
  14
  15 namespace Castle.Rook.Compiler.AST
  16 {
  17         using System;
  18
  19         using Castle.Core.Internal;
  20
  21
  22         public class ASTNodeCollection : LinkedList
  23         {
  24                 private readonly IASTNode owner;
  25
  26                 public ASTNodeCollection(IASTNode owner)
  27                 {
  28                         this.owner = owner;
  29                 }
  30
  31                 public override void AddFirst(object value)
  32                 {
  33                         base.AddFirst(value);
  34
  35                         (value as IASTNode).Parent = owner;
  36                 }
  37
  38                 public override int Add(object value)
  39                 {
  40                         int index = base.Add(value);
  41
  42                         (value as IASTNode).Parent = owner;
  43
  44                         return index;
  45                 }
  46
  47                 public override bool Replace(object old, object value)
  48                 {
  49                         (old as IASTNode).Parent = null;
  50
  51                         if (value != null)
  52                         {
  53                                 (value as IASTNode).Parent = owner;
  54                         }
  55
  56                         return base.Replace(old, value);
  57                 }
  58
  59                 public override void Insert(int index, object value)
  60                 {
  61                         (value as IASTNode).Parent = owner;
  62
  63                         base.Insert(index, value);
  64                 }
  65
  66                 public override void Remove(object value)
  67                 {
  68                         (value as IASTNode).Parent = null;
  69
  70                         base.Remove(value);
  71                 }
  72         }
  73 }