//
// 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/ParameterBuilder.cs
//
// Author:
// Paolo Molaro (lupus@ximian.com)
//
// (C) 2001 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{
[ComVisible (true)]
[ComDefaultInterface (typeof (_ParameterBuilder))]
[ClassInterface (ClassInterfaceType.None)]
public class ParameterBuilder : _ParameterBuilder {
#pragma warning disable 169, 414
private MethodBase methodb; /* MethodBuilder, ConstructorBuilder or DynamicMethod */
private string name;
private CustomAttributeBuilder[] cattrs;
private UnmanagedMarshal marshal_info;
private ParameterAttributes attrs;
private int position;
private int table_idx;
object def_value;
#pragma warning restore 169, 414
internal ParameterBuilder (MethodBase mb, int pos, ParameterAttributes attributes, string strParamName) {
name = strParamName;
position = pos;
attrs = attributes;
methodb = mb;
if (mb is DynamicMethod)
table_idx = 0;
else
table_idx = mb.get_next_table_index (this, 0x08, true);
}
public virtual int Attributes {
get {return (int)attrs;}
}
public bool IsIn {
get {return ((int)attrs & (int)ParameterAttributes.In) != 0;}
}
public bool IsOut {
get {return ((int)attrs & (int)ParameterAttributes.Out) != 0;}
}
public bool IsOptional {
get {return ((int)attrs & (int)ParameterAttributes.Optional) != 0;}
}
public virtual string Name {
get {return name;}
}
public virtual int Position {
get {return position;}
}
public virtual ParameterToken GetToken() {
return new ParameterToken (0x08 | table_idx);
}
public virtual void SetConstant (object defaultValue)
{
def_value = defaultValue;
attrs |= ParameterAttributes.HasDefault;
}
public void SetCustomAttribute( CustomAttributeBuilder customBuilder) {
string attrname = customBuilder.Ctor.ReflectedType.FullName;
if (attrname == "System.Runtime.InteropServices.InAttribute") {
attrs |= ParameterAttributes.In;
return;
} else if (attrname == "System.Runtime.InteropServices.OutAttribute") {
attrs |= ParameterAttributes.Out;
return;
} else if (attrname == "System.Runtime.InteropServices.OptionalAttribute") {
attrs |= ParameterAttributes.Optional;
return;
} else if (attrname == "System.Runtime.InteropServices.MarshalAsAttribute") {
attrs |= ParameterAttributes.HasFieldMarshal;
marshal_info = CustomAttributeBuilder.get_umarshal (customBuilder, false);
/* FIXME: check for errors */
return;
} else if (attrname == "System.Runtime.InteropServices.DefaultParameterValueAttribute") {
/* MS.NET doesn't handle this attribute but we handle it for consistency */
CustomAttributeBuilder.CustomAttributeInfo cinfo = CustomAttributeBuilder.decode_cattr (customBuilder);
/* FIXME: check for type compatibility */
SetConstant (cinfo.ctorArgs [0]);
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;
}
}
[ComVisible (true)]
public void SetCustomAttribute( ConstructorInfo con, byte[] binaryAttribute) {
SetCustomAttribute (new CustomAttributeBuilder (con, binaryAttribute));
}
[Obsolete ("An alternate API is available: Emit the MarshalAs custom attribute instead.")]
public virtual void SetMarshal( UnmanagedMarshal unmanagedMarshal) {
marshal_info = unmanagedMarshal;
attrs |= ParameterAttributes.HasFieldMarshal;
}
void _ParameterBuilder.GetIDsOfNames([In] ref Guid riid, IntPtr rgszNames, uint cNames, uint lcid, IntPtr rgDispId)
{
throw new NotImplementedException ();
}
void _ParameterBuilder.GetTypeInfo (uint iTInfo, uint lcid, IntPtr ppTInfo)
{
throw new NotImplementedException ();
}
void _ParameterBuilder.GetTypeInfoCount (out uint pcTInfo)
{
throw new NotImplementedException ();
}
void _ParameterBuilder.Invoke (uint dispIdMember, [In] ref Guid riid, uint lcid, short wFlags, IntPtr pDispParams, IntPtr pVarResult, IntPtr pExcepInfo, IntPtr puArgErr)
{
throw new NotImplementedException ();
}
}
}
|