src/Boo.Lang.Compiler/Ast/ClassDefinition.cs

   1 #region license
   2 // Copyright (c) 2004, 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 using System;
  30
  31 namespace Boo.Lang.Compiler.Ast
  32 {
  33         public partial class ClassDefinition
  34         {
  35                 public ClassDefinition()
  36                 {
  37                 }
  38
  39                 public ClassDefinition(LexicalInfo lexicalInfoProvider) : base(lexicalInfoProvider)
  40                 {
  41                 }
  42
  43                 public bool HasInstanceConstructor
  44                 {
  45                         get
  46                         {
  47                                 foreach (TypeMember member in _members)
  48                                 {
  49                                         if (NodeType.Constructor == member.NodeType
  50                                                 && !member.IsStatic)
  51                                         {
  52                                                 return true;
  53                                         }
  54                                 }
  55                                 return false;
  56                         }
  57                 }
  58
  59                 public Constructor GetConstructor(int index)
  60                 {
  61                         int current = 0;
  62                         foreach (TypeMember member in _members)
  63                         {
  64                                 if (member.NodeType == NodeType.Constructor)
  65                                 {
  66                                         if (current == index) return (Constructor)member;
  67                                         ++current;
  68                                 }
  69                         }
  70                         throw new ArgumentException("index");
  71                 }
  72
  73                 public void Merge(ClassDefinition node)
  74                 {
  75                         if (null == node) throw new ArgumentNullException("node");
  76                         if (ReferenceEquals(this, node)) return;
  77                         this.Attributes.Extend(node.Attributes);
  78                         this.BaseTypes.Extend(node.BaseTypes);
  79                         this.Members.Extend(node.Members);
  80                 }
  81         }
  82 }