3 // Copyright (C) 2004 Novell, Inc (http://www.novell.com)
5 // Permission is hereby granted, free of charge, to any person obtaining
6 // a copy of this software and associated documentation files (the
7 // "Software"), to deal in the Software without restriction, including
8 // without limitation the rights to use, copy, modify, merge, publish,
9 // distribute, sublicense, and/or sell copies of the Software, and to
10 // permit persons to whom the Software is furnished to do so, subject to
11 // the following conditions:
13 // The above copyright notice and this permission notice shall be
14 // included in all copies or substantial portions of the Software.
16 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
17 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
18 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
19 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
20 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
21 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
22 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 // System.Reflection/MonoField.cs
27 // The class used to represent Fields from the mono runtime.
30 // Paolo Molaro (lupus@ximian.com)
32 // (C) 2001 Ximian, Inc. http://www.ximian.com
36 using System.Globalization;
37 using System.Runtime.CompilerServices;
38 using System.Runtime.InteropServices;
39 using System.Runtime.Serialization;
41 namespace System.Reflection {
44 internal class MonoField : FieldInfo, ISerializable {
45 internal IntPtr klass;
46 internal RuntimeFieldHandle fhandle;
49 FieldAttributes attrs;
51 public override FieldAttributes Attributes {
56 public override RuntimeFieldHandle FieldHandle {
62 public override Type FieldType {
68 [MethodImplAttribute(MethodImplOptions.InternalCall)]
69 private extern Type GetParentType (bool declaring);
71 public override Type ReflectedType {
73 return GetParentType (false);
76 public override Type DeclaringType {
78 return GetParentType (true);
81 public override string Name {
87 public override bool IsDefined (Type attributeType, bool inherit) {
88 return MonoCustomAttrs.IsDefined (this, attributeType, inherit);
91 public override object[] GetCustomAttributes( bool inherit) {
92 return MonoCustomAttrs.GetCustomAttributes (this, inherit);
94 public override object[] GetCustomAttributes( Type attributeType, bool inherit) {
95 return MonoCustomAttrs.GetCustomAttributes (this, attributeType, inherit);
98 [MethodImplAttribute(MethodImplOptions.InternalCall)]
99 internal override extern int GetFieldOffset ();
101 [MethodImplAttribute(MethodImplOptions.InternalCall)]
102 private extern object GetValueInternal (object obj);
104 public override object GetValue (object obj)
106 if (!IsStatic && obj == null)
107 throw new TargetException ("Non-static field requires a target");
110 return GetValueInternal (obj);
113 public override string ToString () {
114 return String.Format ("{0} {1}", type, name);
117 [MethodImplAttribute(MethodImplOptions.InternalCall)]
118 private static extern void SetValueInternal (FieldInfo fi, object obj, object value);
120 public override void SetValue (object obj, object val, BindingFlags invokeAttr, Binder binder, CultureInfo culture)
122 if (!IsStatic && obj == null)
123 throw new TargetException ("Non-static field requires a target");
125 throw new FieldAccessException ("Cannot set a constant field");
127 binder = Binder.DefaultBinder;
131 newVal = binder.ChangeType (val, type, culture);
133 throw new ArgumentException ("Object type " + val.GetType() + " cannot be converted to target type: " + type, "val");
136 SetValueInternal (this, obj, val);
139 internal MonoField Clone (string newName)
141 MonoField field = new MonoField ();
142 field.name = newName;
146 field.fhandle = fhandle;
151 public void GetObjectData (SerializationInfo info, StreamingContext context)
153 MemberInfoSerializationHolder.Serialize (info, Name, ReflectedType,
154 ToString(), MemberTypes.Field);
158 [MethodImplAttribute(MethodImplOptions.InternalCall)]
159 public override extern object GetRawConstantValue ();
162 void CheckGeneric () {
164 if (DeclaringType.ContainsGenericParameters)
165 throw new InvalidOperationException ("Late bound operations cannot be performed on fields with types for which Type.ContainsGenericParameters is true.");