mcs/tools/cil-strip/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         internal 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 bool HasCustomAttributes {
  53                         get { return (m_customAttrs == null) ? false : (m_customAttrs.Count > 0); }
  54                 }
  55
  56                 public CustomAttributeCollection CustomAttributes {
  57                         get {
  58                                 if (m_customAttrs == null)
  59                                         m_customAttrs = new CustomAttributeCollection (this);
  60
  61                                 return m_customAttrs;
  62                         }
  63                 }
  64
  65                 public override bool HasParameters {
  66                         get {
  67                                 if (m_getMeth != null)
  68                                         return m_getMeth.HasParameters;
  69                                 else if (m_setMeth != null)
  70                                         return m_setMeth.HasParameters;
  71                                 else if (m_parameters == null)
  72                                         return false;
  73                                 else
  74                                         return m_parameters.Count > 0;
  75                         }
  76                 }
  77
  78                 public override ParameterDefinitionCollection Parameters {
  79                         get {
  80                                 if (this.GetMethod != null)
  81                                         return CloneParameterCollection (this.GetMethod.Parameters);
  82                                 else if (this.SetMethod != null) {
  83                                         ParameterDefinitionCollection parameters =
  84                                                 CloneParameterCollection (this.SetMethod.Parameters);
  85                                         if (parameters.Count > 0)
  86                                                 parameters.RemoveAt (parameters.Count - 1);
  87                                         return parameters;
  88                                 }
  89
  90                                 if (m_parameters == null)
  91                                         m_parameters = new ParameterDefinitionCollection (this);
  92
  93                                 return m_parameters;
  94                         }
  95                 }
  96
  97                 public MethodDefinition GetMethod {
  98                         get { return m_getMeth; }
  99                         set { m_getMeth = value; }
 100                 }
 101
 102                 public MethodDefinition SetMethod {
 103                         get { return m_setMeth; }
 104                         set { m_setMeth = value; }
 105                 }
 106
 107                 ParameterDefinitionCollection CloneParameterCollection (ParameterDefinitionCollection original)
 108                 {
 109                         ParameterDefinitionCollection clone = new ParameterDefinitionCollection (
 110                                 original.Container);
 111                         foreach (ParameterDefinition param in original)
 112                                 clone.Add (param);
 113                         return clone;
 114                 }
 115
 116                 public bool HasConstant {
 117                         get { return m_hasConstant; }
 118                 }
 119
 120                 public object Constant {
 121                         get { return m_const; }
 122                         set {
 123                                 m_hasConstant = true;
 124                                 m_const = value;
 125                         }
 126                 }
 127
 128                 #region PropertyAttributes
 129
 130                 public bool IsSpecialName {
 131                         get { return (m_attributes & PropertyAttributes.SpecialName) != 0; }
 132                         set {
 133                                 if (value)
 134                                         m_attributes |= PropertyAttributes.SpecialName;
 135                                 else
 136                                         m_attributes &= ~PropertyAttributes.SpecialName;
 137                         }
 138                 }
 139
 140                 public bool IsRuntimeSpecialName {
 141                         get { return (m_attributes & PropertyAttributes.RTSpecialName) != 0; }
 142                         set {
 143                                 if (value)
 144                                         m_attributes |= PropertyAttributes.RTSpecialName;
 145                                 else
 146                                         m_attributes &= ~PropertyAttributes.RTSpecialName;
 147                         }
 148                 }
 149
 150                 public bool HasDefault {
 151                         get { return (m_attributes & PropertyAttributes.HasDefault) != 0; }
 152                         set {
 153                                 if (value)
 154                                         m_attributes |= PropertyAttributes.HasDefault;
 155                                 else
 156                                         m_attributes &= ~PropertyAttributes.HasDefault;
 157                         }
 158                 }
 159
 160                 #endregion
 161
 162                 public new TypeDefinition DeclaringType {
 163                         get { return (TypeDefinition) base.DeclaringType; }
 164                         set { base.DeclaringType = value; }
 165                 }
 166
 167                 public PropertyDefinition (string name, TypeReference propertyType, PropertyAttributes attrs) : base (name, propertyType)
 168                 {
 169                         m_attributes = attrs;
 170                 }
 171
 172                 public override PropertyDefinition Resolve ()
 173                 {
 174                         return this;
 175                 }
 176
 177                 public static MethodDefinition CreateGetMethod (PropertyDefinition prop)
 178                 {
 179                         MethodDefinition get = new MethodDefinition (
 180                                 string.Concat ("get_", prop.Name), (MethodAttributes) 0, prop.PropertyType);
 181                         prop.GetMethod = get;
 182                         return get;
 183                 }
 184
 185                 public static MethodDefinition CreateSetMethod (PropertyDefinition prop)
 186                 {
 187                         MethodDefinition set = new MethodDefinition (
 188                                 string.Concat ("set_", prop.Name), (MethodAttributes) 0, prop.PropertyType);
 189                         prop.SetMethod = set;
 190                         return set;
 191                 }
 192
 193                 public PropertyDefinition Clone ()
 194                 {
 195                         return Clone (this, new ImportContext (NullReferenceImporter.Instance, this.DeclaringType));
 196                 }
 197
 198                 internal static PropertyDefinition Clone (PropertyDefinition prop, ImportContext context)
 199                 {
 200                         PropertyDefinition np = new PropertyDefinition (
 201                                 prop.Name,
 202                                 context.Import (prop.PropertyType),
 203                                 prop.Attributes);
 204
 205                         if (prop.HasConstant)
 206                                 np.Constant = prop.Constant;
 207
 208                         if (context.GenericContext.Type is TypeDefinition) {
 209                                 TypeDefinition type = context.GenericContext.Type as TypeDefinition;
 210                                 if (prop.SetMethod != null)
 211                                         np.SetMethod = type.Methods.GetMethod (prop.SetMethod.Name, prop.SetMethod.Parameters);
 212                                 if (prop.GetMethod != null)
 213                                         np.GetMethod = type.Methods.GetMethod (prop.GetMethod.Name, prop.GetMethod.Parameters);
 214                         }
 215
 216                         foreach (CustomAttribute ca in prop.CustomAttributes)
 217                                 np.CustomAttributes.Add (CustomAttribute.Clone (ca, context));
 218
 219                         return np;
 220                 }
 221
 222                 public override string ToString ()
 223                 {
 224                         StringBuilder sb = new StringBuilder ();
 225                         sb.Append (PropertyType.ToString ());
 226                         sb.Append (' ');
 227
 228                         if (this.DeclaringType != null) {
 229                                 sb.Append (this.DeclaringType.ToString ());
 230                                 sb.Append ("::");
 231                         }
 232
 233                         sb.Append (this.Name);
 234                         sb.Append ('(');
 235                         ParameterDefinitionCollection parameters = this.Parameters;
 236                         for (int i = 0; i < parameters.Count; i++) {
 237                                 if (i > 0)
 238                                         sb.Append (',');
 239                                 sb.Append (parameters [i].ParameterType.ToString ());
 240                         }
 241                         sb.Append (')');
 242                         return sb.ToString ();
 243                 }
 244
 245                 public override void Accept (IReflectionVisitor visitor)
 246                 {
 247                         visitor.VisitPropertyDefinition (this);
 248
 249                         this.CustomAttributes.Accept (visitor);
 250                 }
 251         }
 252 }