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
.Collections
.Generic
;
37 using System
.Globalization
;
38 using System
.Runtime
.CompilerServices
;
39 using System
.Runtime
.InteropServices
;
40 using System
.Runtime
.Serialization
;
42 namespace System
.Reflection
{
45 internal class MonoField
: FieldInfo
, ISerializable
{
46 internal IntPtr klass
;
47 internal RuntimeFieldHandle fhandle
;
50 FieldAttributes attrs
;
52 public override FieldAttributes Attributes
{
57 public override RuntimeFieldHandle FieldHandle
{
63 public override Type FieldType
{
69 [MethodImplAttribute(MethodImplOptions
.InternalCall
)]
70 private extern Type
GetParentType (bool declaring
);
72 public override Type ReflectedType
{
74 return GetParentType (false);
77 public override Type DeclaringType
{
79 return GetParentType (true);
82 public override string Name
{
88 public override bool IsDefined (Type attributeType
, bool inherit
) {
89 return MonoCustomAttrs
.IsDefined (this, attributeType
, inherit
);
92 public override object[] GetCustomAttributes( bool inherit
) {
93 return MonoCustomAttrs
.GetCustomAttributes (this, inherit
);
95 public override object[] GetCustomAttributes( Type attributeType
, bool inherit
) {
96 return MonoCustomAttrs
.GetCustomAttributes (this, attributeType
, inherit
);
99 [MethodImplAttribute(MethodImplOptions
.InternalCall
)]
100 internal override extern int GetFieldOffset ();
102 [MethodImplAttribute(MethodImplOptions
.InternalCall
)]
103 private extern object GetValueInternal (object obj
);
105 public override object GetValue (object obj
)
109 throw new TargetException ("Non-static field requires a target");
110 if (!DeclaringType
.IsAssignableFrom (obj
.GetType ()))
111 throw new ArgumentException (string.Format (
112 "Field {0} defined on type {1} is not a field on the target object which is of type {2}.",
113 Name
, DeclaringType
, obj
.GetType ()),
119 return GetValueInternal (obj
);
122 public override string ToString () {
123 return String
.Format ("{0} {1}", type
, name
);
126 [MethodImplAttribute(MethodImplOptions
.InternalCall
)]
127 private static extern void SetValueInternal (FieldInfo fi
, object obj
, object value);
129 public override void SetValue (object obj
, object val
, BindingFlags invokeAttr
, Binder binder
, CultureInfo culture
)
133 throw new TargetException ("Non-static field requires a target");
134 if (!DeclaringType
.IsAssignableFrom (obj
.GetType ()))
135 throw new ArgumentException (string.Format (
136 "Field {0} defined on type {1} is not a field on the target object which is of type {2}.",
137 Name
, DeclaringType
, obj
.GetType ()),
141 throw new FieldAccessException ("Cannot set a constant field");
143 binder
= Binder
.DefaultBinder
;
147 newVal
= binder
.ChangeType (val
, type
, culture
);
149 throw new ArgumentException ("Object type " + val
.GetType() + " cannot be converted to target type: " + type
, "val");
152 SetValueInternal (this, obj
, val
);
155 internal MonoField
Clone (string newName
)
157 MonoField field
= new MonoField ();
158 field
.name
= newName
;
162 field
.fhandle
= fhandle
;
167 public void GetObjectData (SerializationInfo info
, StreamingContext context
)
169 MemberInfoSerializationHolder
.Serialize (info
, Name
, ReflectedType
,
170 ToString(), MemberTypes
.Field
);
173 [MethodImplAttribute(MethodImplOptions
.InternalCall
)]
174 public override extern object GetRawConstantValue ();
177 public override IList
<CustomAttributeData
> GetCustomAttributesData () {
178 return CustomAttributeData
.GetCustomAttributes (this);
182 void CheckGeneric () {
183 if (DeclaringType
.ContainsGenericParameters
)
184 throw new InvalidOperationException ("Late bound operations cannot be performed on fields with types for which Type.ContainsGenericParameters is true.");