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