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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/MonoField.cs
// The class used to represent Fields from the mono runtime.
//
// Author:
// Paolo Molaro (lupus@ximian.com)
//
// (C) 2001 Ximian, Inc. http://www.ximian.com
//
using System;
using System.Collections.Generic;
using System.Globalization;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using System.Runtime.Serialization;
namespace System.Reflection {
[Serializable]
[StructLayout (LayoutKind.Sequential)]
internal class MonoField : FieldInfo, ISerializable {
internal IntPtr klass;
internal RuntimeFieldHandle fhandle;
string name;
Type type;
FieldAttributes attrs;
public override FieldAttributes Attributes {
get {
return attrs;
}
}
public override RuntimeFieldHandle FieldHandle {
get {
return fhandle;
}
}
[MethodImplAttribute(MethodImplOptions.InternalCall)]
extern Type ResolveType ();
public override Type FieldType {
get {
if (type == null)
type = ResolveType ();
return type;
}
}
[MethodImplAttribute(MethodImplOptions.InternalCall)]
private extern Type GetParentType (bool declaring);
public override Type ReflectedType {
get {
return GetParentType (false);
}
}
public override Type DeclaringType {
get {
return GetParentType (true);
}
}
public override string Name {
get {
return name;
}
}
public override bool IsDefined (Type attributeType, bool inherit) {
return MonoCustomAttrs.IsDefined (this, attributeType, inherit);
}
public override object[] GetCustomAttributes( bool inherit) {
return MonoCustomAttrs.GetCustomAttributes (this, inherit);
}
public override object[] GetCustomAttributes( Type attributeType, bool inherit) {
return MonoCustomAttrs.GetCustomAttributes (this, attributeType, inherit);
}
[MethodImplAttribute(MethodImplOptions.InternalCall)]
internal override extern int GetFieldOffset ();
[MethodImplAttribute(MethodImplOptions.InternalCall)]
private extern object GetValueInternal (object obj);
public override object GetValue (object obj)
{
if (!IsStatic) {
if (obj == null)
throw new TargetException ("Non-static field requires a target");
if (!DeclaringType.IsAssignableFrom (obj.GetType ()))
throw new ArgumentException (string.Format (
"Field {0} defined on type {1} is not a field on the target object which is of type {2}.",
Name, DeclaringType, obj.GetType ()),
"obj");
}
if (!IsLiteral)
CheckGeneric ();
return GetValueInternal (obj);
}
public override string ToString () {
return String.Format ("{0} {1}", FieldType, name);
}
[MethodImplAttribute(MethodImplOptions.InternalCall)]
private static extern void SetValueInternal (FieldInfo fi, object obj, object value);
public override void SetValue (object obj, object val, BindingFlags invokeAttr, Binder binder, CultureInfo culture)
{
if (!IsStatic) {
if (obj == null)
throw new TargetException ("Non-static field requires a target");
if (!DeclaringType.IsAssignableFrom (obj.GetType ()))
throw new ArgumentException (string.Format (
"Field {0} defined on type {1} is not a field on the target object which is of type {2}.",
Name, DeclaringType, obj.GetType ()),
"obj");
}
if (IsLiteral)
throw new FieldAccessException ("Cannot set a constant field");
if (binder == null)
binder = Binder.DefaultBinder;
CheckGeneric ();
if (val != null) {
val = binder.ConvertValue (val, FieldType, culture, (invokeAttr & BindingFlags.ExactBinding) != 0);
}
SetValueInternal (this, obj, val);
}
internal MonoField Clone (string newName)
{
MonoField field = new MonoField ();
field.name = newName;
field.type = type;
field.attrs = attrs;
field.klass = klass;
field.fhandle = fhandle;
return field;
}
// ISerializable
public void GetObjectData (SerializationInfo info, StreamingContext context)
{
MemberInfoSerializationHolder.Serialize (info, Name, ReflectedType,
ToString(), MemberTypes.Field);
}
[MethodImplAttribute(MethodImplOptions.InternalCall)]
public override extern object GetRawConstantValue ();
#if NET_4_0
public override IList<CustomAttributeData> GetCustomAttributesData () {
return CustomAttributeData.GetCustomAttributes (this);
}
#endif
void CheckGeneric () {
if (DeclaringType.ContainsGenericParameters)
throw new InvalidOperationException ("Late bound operations cannot be performed on fields with types for which Type.ContainsGenericParameters is true.");
}
}
}
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