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.Emit/FieldBuilder.cs
29 // Paolo Molaro (lupus@ximian.com)
31 // (C) 2001-2002 Ximian, Inc. http://www.ximian.com
36 using System.Reflection;
37 using System.Reflection.Emit;
38 using System.Globalization;
39 using System.Runtime.CompilerServices;
40 using System.Runtime.InteropServices;
42 namespace System.Reflection.Emit {
44 [ComDefaultInterface (typeof (_FieldBuilder))]
45 [ClassInterface (ClassInterfaceType.None)]
46 [StructLayout (LayoutKind.Sequential)]
47 public sealed class FieldBuilder : FieldInfo, _FieldBuilder {
49 #pragma warning disable 169, 414
50 private FieldAttributes attrs;
53 private object def_value;
55 private int table_idx;
56 internal TypeBuilder typeb;
57 private byte[] rva_data;
58 private CustomAttributeBuilder[] cattrs;
59 private UnmanagedMarshal marshal_info;
60 private RuntimeFieldHandle handle;
61 private Type[] modReq;
62 private Type[] modOpt;
63 #pragma warning restore 169, 414
65 internal FieldBuilder (TypeBuilder tb, string fieldName, Type type, FieldAttributes attributes, Type[] modReq, Type[] modOpt)
68 throw new ArgumentNullException ("type");
77 table_idx = tb.get_next_table_index (this, 0x04, true);
79 ((ModuleBuilder) tb.Module).RegisterToken (this, GetToken ().Token);
82 public override FieldAttributes Attributes {
86 public override Type DeclaringType {
90 public override RuntimeFieldHandle FieldHandle {
92 throw CreateNotSupportedException ();
96 public override Type FieldType {
100 public override string Name {
104 public override Type ReflectedType {
105 get { return typeb; }
108 public override object[] GetCustomAttributes(bool inherit) {
110 * On MS.NET, this always returns not_supported, but we can't do this
111 * since there would be no way to obtain custom attributes of
112 * dynamically created ctors.
114 if (typeb.is_created)
115 return MonoCustomAttrs.GetCustomAttributes (this, inherit);
117 throw CreateNotSupportedException ();
120 public override object[] GetCustomAttributes(Type attributeType, bool inherit) {
121 if (typeb.is_created)
122 return MonoCustomAttrs.GetCustomAttributes (this, attributeType, inherit);
124 throw CreateNotSupportedException ();
127 public FieldToken GetToken() {
128 return new FieldToken (MetadataToken);
131 public override object GetValue(object obj) {
132 throw CreateNotSupportedException ();
135 public override bool IsDefined( Type attributeType, bool inherit) {
136 throw CreateNotSupportedException ();
139 internal override int GetFieldOffset () {
144 internal void SetRVAData (byte[] data) {
145 rva_data = (byte[])data.Clone ();
148 public void SetConstant( object defaultValue) {
151 /*if (defaultValue.GetType() != type)
152 throw new ArgumentException ("Constant doesn't match field type");*/
153 def_value = defaultValue;
156 public void SetCustomAttribute (CustomAttributeBuilder customBuilder) {
159 string attrname = customBuilder.Ctor.ReflectedType.FullName;
160 if (attrname == "System.Runtime.InteropServices.FieldOffsetAttribute") {
161 byte[] data = customBuilder.Data;
162 offset = (int)data [2];
163 offset |= ((int)data [3]) << 8;
164 offset |= ((int)data [4]) << 16;
165 offset |= ((int)data [5]) << 24;
167 } else if (attrname == "System.NonSerializedAttribute") {
168 attrs |= FieldAttributes.NotSerialized;
170 } else if (attrname == "System.Runtime.CompilerServices.SpecialNameAttribute") {
171 attrs |= FieldAttributes.SpecialName;
173 } else if (attrname == "System.Runtime.InteropServices.MarshalAsAttribute") {
174 attrs |= FieldAttributes.HasFieldMarshal;
175 marshal_info = CustomAttributeBuilder.get_umarshal (customBuilder, true);
176 /* FIXME: check for errors */
179 if (cattrs != null) {
180 CustomAttributeBuilder[] new_array = new CustomAttributeBuilder [cattrs.Length + 1];
181 cattrs.CopyTo (new_array, 0);
182 new_array [cattrs.Length] = customBuilder;
185 cattrs = new CustomAttributeBuilder [1];
186 cattrs [0] = customBuilder;
191 public void SetCustomAttribute( ConstructorInfo con, byte[] binaryAttribute) {
193 SetCustomAttribute (new CustomAttributeBuilder (con, binaryAttribute));
196 [Obsolete ("An alternate API is available: Emit the MarshalAs custom attribute instead.")]
197 public void SetMarshal( UnmanagedMarshal unmanagedMarshal) {
199 marshal_info = unmanagedMarshal;
200 attrs |= FieldAttributes.HasFieldMarshal;
203 public void SetOffset( int iOffset) {
208 public override void SetValue( object obj, object val, BindingFlags invokeAttr, Binder binder, CultureInfo culture) {
209 throw CreateNotSupportedException ();
212 private Exception CreateNotSupportedException ()
214 return new NotSupportedException ("The invoked member is not supported in a dynamic module.");
217 private void RejectIfCreated ()
219 if (typeb.is_created)
220 throw new InvalidOperationException ("Unable to change after type has been created.");
223 public override Module Module {
229 void _FieldBuilder.GetIDsOfNames ([In] ref Guid riid, IntPtr rgszNames, uint cNames, uint lcid, IntPtr rgDispId)
231 throw new NotImplementedException ();
234 void _FieldBuilder.GetTypeInfo (uint iTInfo, uint lcid, IntPtr ppTInfo)
236 throw new NotImplementedException ();
239 void _FieldBuilder.GetTypeInfoCount (out uint pcTInfo)
241 throw new NotImplementedException ();
244 void _FieldBuilder.Invoke (uint dispIdMember, [In] ref Guid riid, uint lcid, short wFlags, IntPtr pDispParams, IntPtr pVarResult, IntPtr pExcepInfo, IntPtr puArgErr)
246 throw new NotImplementedException ();