src/Boo.Lang.Compiler/TypeSystem/DeclarationsNamespace.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 Boo.Lang.Compiler.Ast;
  31
  32 namespace Boo.Lang.Compiler.TypeSystem
  33 {
  34         class DeclarationsNamespace : INamespace
  35         {
  36                 INamespace _parent;
  37                 DeclarationCollection _declarations;
  38
  39                 public DeclarationsNamespace(INamespace parent, TypeSystemServices tagManager, DeclarationCollection declarations)
  40                 {
  41                         _parent = parent;
  42                         _declarations = declarations;
  43                 }
  44
  45                 public DeclarationsNamespace(INamespace parent, TypeSystemServices tagManager, Declaration declaration)
  46                 {
  47                         _parent = parent;
  48                         _declarations = new DeclarationCollection();
  49                         _declarations.Add(declaration);
  50                 }
  51
  52                 public INamespace ParentNamespace
  53                 {
  54                         get
  55                         {
  56                                 return _parent;
  57                         }
  58                 }
  59
  60                 public bool Resolve(List targetList, string name, EntityType flags)
  61                 {
  62                         Declaration found = _declarations[name];
  63                         if (null != found)
  64                         {
  65                                 IEntity element = TypeSystemServices.GetEntity(found);
  66                                 if (NameResolutionService.IsFlagSet(flags, element.EntityType))
  67                                 {
  68                                         targetList.Add(element);
  69                                         return true;
  70                                 }
  71                         }
  72                         return false;
  73                 }
  74
  75                 public IEntity[] GetMembers()
  76                 {
  77                         return NullNamespace.EmptyEntityArray;
  78                 }
  79         }
  80 }