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//
// Copyright (C) 2004 Novell, Inc (http://www.novell.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
//
// System.Reflection.Emit/FieldBuilder.cs
//
// Author:
// Paolo Molaro (lupus@ximian.com)
//
// (C) 2001-2002 Ximian, Inc. http://www.ximian.com
//
using System;
using System.Reflection;
using System.Reflection.Emit;
using System.Globalization;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
namespace System.Reflection.Emit {
#if NET_2_0
[ComVisible (true)]
[ComDefaultInterface (typeof (_FieldBuilder))]
#endif
[ClassInterface (ClassInterfaceType.None)]
public sealed class FieldBuilder : FieldInfo, _FieldBuilder {
#pragma warning disable 169, 414
private FieldAttributes attrs;
private Type type;
private String name;
private object def_value;
private int offset;
private int table_idx;
internal TypeBuilder typeb;
private byte[] rva_data;
private CustomAttributeBuilder[] cattrs;
private UnmanagedMarshal marshal_info;
private RuntimeFieldHandle handle;
private Type[] modReq;
private Type[] modOpt;
#pragma warning restore 169, 414
internal FieldBuilder (TypeBuilder tb, string fieldName, Type type, FieldAttributes attributes, Type[] modReq, Type[] modOpt)
{
if (type == null)
throw new ArgumentNullException ("type");
attrs = attributes;
name = fieldName;
this.type = type;
this.modReq = modReq;
this.modOpt = modOpt;
offset = -1;
typeb = tb;
table_idx = tb.get_next_table_index (this, 0x04, true);
}
public override FieldAttributes Attributes {
get { return attrs; }
}
public override Type DeclaringType {
get { return typeb; }
}
public override RuntimeFieldHandle FieldHandle {
get {
throw CreateNotSupportedException ();
}
}
public override Type FieldType {
get { return type; }
}
public override string Name {
get { return name; }
}
public override Type ReflectedType {
get { return typeb; }
}
public override object[] GetCustomAttributes(bool inherit) {
/*
* On MS.NET, this always returns not_supported, but we can't do this
* since there would be no way to obtain custom attributes of
* dynamically created ctors.
*/
if (typeb.is_created)
return MonoCustomAttrs.GetCustomAttributes (this, inherit);
else
throw CreateNotSupportedException ();
}
public override object[] GetCustomAttributes(Type attributeType, bool inherit) {
if (typeb.is_created)
return MonoCustomAttrs.GetCustomAttributes (this, attributeType, inherit);
else
throw CreateNotSupportedException ();
}
public FieldToken GetToken() {
return new FieldToken (MetadataToken);
}
public override object GetValue(object obj) {
throw CreateNotSupportedException ();
}
public override bool IsDefined( Type attributeType, bool inherit) {
throw CreateNotSupportedException ();
}
internal override int GetFieldOffset () {
/* FIXME: */
return 0;
}
internal void SetRVAData (byte[] data) {
rva_data = (byte[])data.Clone ();
}
public void SetConstant( object defaultValue) {
RejectIfCreated ();
/*if (defaultValue.GetType() != type)
throw new ArgumentException ("Constant doesn't match field type");*/
def_value = defaultValue;
}
public void SetCustomAttribute (CustomAttributeBuilder customBuilder) {
RejectIfCreated ();
string attrname = customBuilder.Ctor.ReflectedType.FullName;
if (attrname == "System.Runtime.InteropServices.FieldOffsetAttribute") {
byte[] data = customBuilder.Data;
offset = (int)data [2];
offset |= ((int)data [3]) << 8;
offset |= ((int)data [4]) << 16;
offset |= ((int)data [5]) << 24;
return;
} else if (attrname == "System.NonSerializedAttribute") {
attrs |= FieldAttributes.NotSerialized;
return;
#if NET_2_0
} else if (attrname == "System.Runtime.CompilerServices.SpecialNameAttribute") {
attrs |= FieldAttributes.SpecialName;
return;
#endif
} else if (attrname == "System.Runtime.InteropServices.MarshalAsAttribute") {
attrs |= FieldAttributes.HasFieldMarshal;
marshal_info = CustomAttributeBuilder.get_umarshal (customBuilder, true);
/* FIXME: check for errors */
return;
}
if (cattrs != null) {
CustomAttributeBuilder[] new_array = new CustomAttributeBuilder [cattrs.Length + 1];
cattrs.CopyTo (new_array, 0);
new_array [cattrs.Length] = customBuilder;
cattrs = new_array;
} else {
cattrs = new CustomAttributeBuilder [1];
cattrs [0] = customBuilder;
}
}
#if NET_2_0
[ComVisible (true)]
#endif
public void SetCustomAttribute( ConstructorInfo con, byte[] binaryAttribute) {
RejectIfCreated ();
SetCustomAttribute (new CustomAttributeBuilder (con, binaryAttribute));
}
#if NET_2_0
[Obsolete ("An alternate API is available: Emit the MarshalAs custom attribute instead.")]
#endif
public void SetMarshal( UnmanagedMarshal unmanagedMarshal) {
RejectIfCreated ();
marshal_info = unmanagedMarshal;
attrs |= FieldAttributes.HasFieldMarshal;
}
public void SetOffset( int iOffset) {
RejectIfCreated ();
offset = iOffset;
}
public override void SetValue( object obj, object val, BindingFlags invokeAttr, Binder binder, CultureInfo culture) {
throw CreateNotSupportedException ();
}
internal override UnmanagedMarshal UMarshal {
get {
return marshal_info;
}
}
private Exception CreateNotSupportedException ()
{
return new NotSupportedException ("The invoked member is not supported in a dynamic module.");
}
private void RejectIfCreated ()
{
if (typeb.is_created)
throw new InvalidOperationException ("Unable to change after type has been created.");
}
#if NET_2_0 || BOOTSTRAP_NET_2_0
public override Module Module {
get {
return base.Module;
}
}
#endif
void _FieldBuilder.GetIDsOfNames ([In] ref Guid riid, IntPtr rgszNames, uint cNames, uint lcid, IntPtr rgDispId)
{
throw new NotImplementedException ();
}
void _FieldBuilder.GetTypeInfo (uint iTInfo, uint lcid, IntPtr ppTInfo)
{
throw new NotImplementedException ();
}
void _FieldBuilder.GetTypeInfoCount (out uint pcTInfo)
{
throw new NotImplementedException ();
}
void _FieldBuilder.Invoke (uint dispIdMember, [In] ref Guid riid, uint lcid, short wFlags, IntPtr pDispParams, IntPtr pVarResult, IntPtr pExcepInfo, IntPtr puArgErr)
{
throw new NotImplementedException ();
}
}
}
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