mcs/class/Mono.Cecil/Mono.Cecil/PropertyDefinition.cs

   1 //
   2 // PropertyDefinition.cs
   3 //
   4 // Author:
   5 //   Jb Evain (jbevain@gmail.com)
   6 //
   7 // (C) 2005 Jb Evain
   8 //
   9 // Permission is hereby granted, free of charge, to any person obtaining
  10 // a copy of this software and associated documentation files (the
  11 // "Software"), to deal in the Software without restriction, including
  12 // without limitation the rights to use, copy, modify, merge, publish,
  13 // distribute, sublicense, and/or sell copies of the Software, and to
  14 // permit persons to whom the Software is furnished to do so, subject to
  15 // the following conditions:
  16 //
  17 // The above copyright notice and this permission notice shall be
  18 // included in all copies or substantial portions of the Software.
  19 //
  20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  21 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  23 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  24 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  25 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  27 //
  28
  29 namespace Mono.Cecil {
  30
  31         using System;
  32         using System.Text;
  33
  34         public sealed class PropertyDefinition : PropertyReference,
  35                 IMemberDefinition, ICustomAttributeProvider, IHasConstant {
  36
  37                 PropertyAttributes m_attributes;
  38
  39                 CustomAttributeCollection m_customAttrs;
  40
  41                 MethodDefinition m_getMeth;
  42                 MethodDefinition m_setMeth;
  43
  44                 bool m_hasConstant;
  45                 object m_const;
  46
  47                 public PropertyAttributes Attributes {
  48                         get { return m_attributes; }
  49                         set { m_attributes = value; }
  50                 }
  51
  52                 public CustomAttributeCollection CustomAttributes {
  53                         get {
  54                                 if (m_customAttrs == null)
  55                                         m_customAttrs = new CustomAttributeCollection (this);
  56
  57                                 return m_customAttrs;
  58                         }
  59                 }
  60
  61                 public override ParameterDefinitionCollection Parameters {
  62                         get {
  63                                 if (this.GetMethod != null)
  64                                         return CloneParameterCollection (this.GetMethod.Parameters);
  65                                 else if (this.SetMethod != null) {
  66                                         ParameterDefinitionCollection parameters =
  67                                                 CloneParameterCollection (this.SetMethod.Parameters);
  68                                         if (parameters.Count > 0)
  69                                                 parameters.RemoveAt (parameters.Count - 1);
  70                                         return parameters;
  71                                 }
  72
  73                                 if (m_parameters == null)
  74                                         m_parameters = new ParameterDefinitionCollection (this);
  75
  76                                 return m_parameters;
  77                         }
  78                 }
  79
  80                 public MethodDefinition GetMethod {
  81                         get { return m_getMeth; }
  82                         set { m_getMeth = value; }
  83                 }
  84
  85                 public MethodDefinition SetMethod {
  86                         get { return m_setMeth; }
  87                         set { m_setMeth = value; }
  88                 }
  89
  90                 ParameterDefinitionCollection CloneParameterCollection (ParameterDefinitionCollection original)
  91                 {
  92                         ParameterDefinitionCollection clone = new ParameterDefinitionCollection (
  93                                 original.Container);
  94                         foreach (ParameterDefinition param in original)
  95                                 clone.Add (param);
  96                         return clone;
  97                 }
  98
  99                 public bool HasConstant {
 100                         get { return m_hasConstant; }
 101                 }
 102
 103                 public object Constant {
 104                         get { return m_const; }
 105                         set {
 106                                 m_hasConstant = true;
 107                                 m_const = value;
 108                         }
 109                 }
 110
 111                 #region PropertyAttributes
 112
 113                 public bool IsSpecialName {
 114                         get { return (m_attributes & PropertyAttributes.SpecialName) != 0; }
 115                         set {
 116                                 if (value)
 117                                         m_attributes |= PropertyAttributes.SpecialName;
 118                                 else
 119                                         m_attributes &= ~PropertyAttributes.SpecialName;
 120                         }
 121                 }
 122
 123                 public bool IsRuntimeSpecialName {
 124                         get { return (m_attributes & PropertyAttributes.RTSpecialName) != 0; }
 125                         set {
 126                                 if (value)
 127                                         m_attributes |= PropertyAttributes.RTSpecialName;
 128                                 else
 129                                         m_attributes &= ~PropertyAttributes.RTSpecialName;
 130                         }
 131                 }
 132
 133                 public bool HasDefault {
 134                         get { return (m_attributes & PropertyAttributes.HasDefault) != 0; }
 135                         set {
 136                                 if (value)
 137                                         m_attributes |= PropertyAttributes.HasDefault;
 138                                 else
 139                                         m_attributes &= ~PropertyAttributes.HasDefault;
 140                         }
 141                 }
 142
 143                 #endregion
 144
 145                 public PropertyDefinition (string name, TypeReference propertyType, PropertyAttributes attrs) : base (name, propertyType)
 146                 {
 147                         m_attributes = attrs;
 148                 }
 149
 150                 public static MethodDefinition CreateGetMethod (PropertyDefinition prop)
 151                 {
 152                         MethodDefinition get = new MethodDefinition (
 153                                 string.Concat ("get_", prop.Name), (MethodAttributes) 0, prop.PropertyType);
 154                         prop.GetMethod = get;
 155                         return get;
 156                 }
 157
 158                 public static MethodDefinition CreateSetMethod (PropertyDefinition prop)
 159                 {
 160                         MethodDefinition set = new MethodDefinition (
 161                                 string.Concat ("set_", prop.Name), (MethodAttributes) 0, prop.PropertyType);
 162                         prop.SetMethod = set;
 163                         return set;
 164                 }
 165
 166                 public PropertyDefinition Clone ()
 167                 {
 168                         return Clone (this, new ImportContext (NullReferenceImporter.Instance, this.DeclaringType));
 169                 }
 170
 171                 internal static PropertyDefinition Clone (PropertyDefinition prop, ImportContext context)
 172                 {
 173                         PropertyDefinition np = new PropertyDefinition (
 174                                 prop.Name,
 175                                 context.Import (prop.PropertyType),
 176                                 prop.Attributes);
 177
 178                         if (prop.HasConstant)
 179                                 np.Constant = prop.Constant;
 180
 181                         if (context.GenericContext.Type is TypeDefinition) {
 182                                 TypeDefinition type = context.GenericContext.Type as TypeDefinition;
 183                                 if (prop.SetMethod != null)
 184                                         np.SetMethod = type.Methods.GetMethod (prop.SetMethod.Name, prop.SetMethod.Parameters);
 185                                 if (prop.GetMethod != null)
 186                                         np.GetMethod = type.Methods.GetMethod (prop.GetMethod.Name, prop.GetMethod.Parameters);
 187                         }
 188
 189                         foreach (CustomAttribute ca in prop.CustomAttributes)
 190                                 np.CustomAttributes.Add (CustomAttribute.Clone (ca, context));
 191
 192                         return np;
 193                 }
 194
 195                 public override string ToString ()
 196                 {
 197                         StringBuilder sb = new StringBuilder ();
 198                         sb.Append (PropertyType.ToString ());
 199                         sb.Append (' ');
 200
 201                         if (this.DeclaringType != null) {
 202                                 sb.Append (this.DeclaringType.ToString ());
 203                                 sb.Append ("::");
 204                         }
 205
 206                         sb.Append (this.Name);
 207                         sb.Append ('(');
 208                         ParameterDefinitionCollection parameters = this.Parameters;
 209                         for (int i = 0; i < parameters.Count; i++) {
 210                                 if (i > 0)
 211                                         sb.Append (',');
 212                                 sb.Append (parameters [i].ParameterType.ToString ());
 213                         }
 214                         sb.Append (')');
 215                         return sb.ToString ();
 216                 }
 217
 218                 public override void Accept (IReflectionVisitor visitor)
 219                 {
 220                         visitor.VisitPropertyDefinition (this);
 221
 222                         this.CustomAttributes.Accept (visitor);
 223                 }
 224         }
 225 }