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//
// System.Reflection.FieldInfo.cs
//
// Author:
// Miguel de Icaza (miguel@ximian.com)
//
// (C) Ximian, Inc. http://www.ximian.com
// Copyright (C) 2004-2005 Novell, Inc (http://www.novell.com)
// Copyright 2011 Xamarin Inc (http://www.xamarin.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.
using System.Collections.Generic;
using System.Diagnostics;
using System.Globalization;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
namespace System.Reflection {
[Serializable]
partial class FieldInfo : MemberInfo {
[MethodImplAttribute(MethodImplOptions.InternalCall)]
private static extern FieldInfo internal_from_handle_type (IntPtr field_handle, IntPtr type_handle);
public static FieldInfo GetFieldFromHandle (RuntimeFieldHandle handle)
{
if (handle.Value == IntPtr.Zero)
throw new ArgumentException ("The handle is invalid.");
return internal_from_handle_type (handle.Value, IntPtr.Zero);
}
[ComVisible (false)]
public static FieldInfo GetFieldFromHandle (RuntimeFieldHandle handle, RuntimeTypeHandle declaringType)
{
if (handle.Value == IntPtr.Zero)
throw new ArgumentException ("The handle is invalid.");
FieldInfo fi = internal_from_handle_type (handle.Value, declaringType.Value);
if (fi == null)
throw new ArgumentException ("The field handle and the type handle are incompatible.");
return fi;
}
internal virtual int GetFieldOffset ()
{
throw new SystemException ("This method should not be called");
}
[MethodImplAttribute(MethodImplOptions.InternalCall)]
private extern MarshalAsAttribute get_marshal_info ();
internal object[] GetPseudoCustomAttributes ()
{
int count = 0;
if (IsNotSerialized)
count ++;
if (DeclaringType.IsExplicitLayout)
count ++;
MarshalAsAttribute marshalAs = get_marshal_info ();
if (marshalAs != null)
count ++;
if (count == 0)
return null;
object[] attrs = new object [count];
count = 0;
if (IsNotSerialized)
attrs [count ++] = new NonSerializedAttribute ();
if (DeclaringType.IsExplicitLayout)
attrs [count ++] = new FieldOffsetAttribute (GetFieldOffset ());
if (marshalAs != null)
attrs [count ++] = marshalAs;
return attrs;
}
internal CustomAttributeData[] GetPseudoCustomAttributesData ()
{
int count = 0;
if (IsNotSerialized)
count++;
if (DeclaringType.IsExplicitLayout)
count++;
MarshalAsAttribute marshalAs = get_marshal_info ();
if (marshalAs != null)
count++;
if (count == 0)
return null;
CustomAttributeData[] attrsData = new CustomAttributeData [count];
count = 0;
if (IsNotSerialized)
attrsData [count++] = new CustomAttributeData ((typeof (NonSerializedAttribute)).GetConstructor (Type.EmptyTypes));
if (DeclaringType.IsExplicitLayout) {
var ctorArgs = new CustomAttributeTypedArgument[] { new CustomAttributeTypedArgument (typeof (int), GetFieldOffset ()) };
attrsData [count++] = new CustomAttributeData (
(typeof (FieldOffsetAttribute)).GetConstructor (new[] { typeof (int) }),
ctorArgs,
EmptyArray<CustomAttributeNamedArgument>.Value);
}
if (marshalAs != null) {
var ctorArgs = new CustomAttributeTypedArgument[] { new CustomAttributeTypedArgument (typeof (UnmanagedType), marshalAs.Value) };
attrsData [count++] = new CustomAttributeData (
(typeof (MarshalAsAttribute)).GetConstructor (new[] { typeof (UnmanagedType) }),
ctorArgs,
EmptyArray<CustomAttributeNamedArgument>.Value);//FIXME Get named params
}
return attrsData;
}
}
}
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