src/Boo.Lang.Compiler/TypeSystem/SimpleNamespace.cs

   1 #region license
   2 // Copyright (c) 2003, 2004, 2005 Rodrigo B. de Oliveira (rbo@acm.org)
   3 // All rights reserved.
   4 //
   5 // Redistribution and use in source and binary forms, with or without modification,
   6 // are permitted provided that the following conditions are met:
   7 //
   8 //     * Redistributions of source code must retain the above copyright notice,
   9 //     this list of conditions and the following disclaimer.
  10 //     * Redistributions in binary form must reproduce the above copyright notice,
  11 //     this list of conditions and the following disclaimer in the documentation
  12 //     and/or other materials provided with the distribution.
  13 //     * Neither the name of Rodrigo B. de Oliveira nor the names of its
  14 //     contributors may be used to endorse or promote products derived from this
  15 //     software without specific prior written permission.
  16 //
  17 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
  18 // ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  19 // WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  20 // DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
  21 // FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22 // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  23 // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  24 // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  25 // OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26 // THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27 #endregion
  28
  29
  30 using System;
  31 using System.Collections;
  32
  33 namespace Boo.Lang.Compiler.TypeSystem
  34 {
  35         public class SimpleNamespace : INamespace
  36         {
  37                 protected INamespace _parent;
  38                 protected IDictionary _children;
  39
  40                 public SimpleNamespace(INamespace parent, IDictionary children)
  41                 {
  42                         if (null == children)
  43                         {
  44                                 throw new ArgumentNullException("children");
  45                         }
  46                         _parent = parent;
  47                         _children = children;
  48                 }
  49
  50                 public INamespace ParentNamespace
  51                 {
  52                         get
  53                         {
  54                                 return _parent;
  55                         }
  56                 }
  57
  58                 public virtual bool Resolve(List targetList, string name, EntityType flags)
  59                 {
  60                         IEntity element = (IEntity)_children[name];
  61                         if (null != element && NameResolutionService.IsFlagSet(flags, element.EntityType))
  62                         {
  63                                 targetList.Add(element);
  64                                 return true;
  65                         }
  66                         return false;
  67                 }
  68
  69                 public virtual IEntity[] GetMembers()
  70                 {
  71                         return (IEntity[])Builtins.array(typeof(IEntity), _children.Values);
  72                 }
  73         }
  74 }