1 // System.Reflection.ParameterInfo
3 // Sean MacIsaac (macisaac@ximian.com)
5 // (C) 2001 Ximian, Inc.
6 // Copyright (C) 2004-2005 Novell, Inc (http://www.novell.com)
8 // Permission is hereby granted, free of charge, to any person obtaining
9 // a copy of this software and associated documentation files (the
10 // "Software"), to deal in the Software without restriction, including
11 // without limitation the rights to use, copy, modify, merge, publish,
12 // distribute, sublicense, and/or sell copies of the Software, and to
13 // permit persons to whom the Software is furnished to do so, subject to
14 // the following conditions:
16 // The above copyright notice and this permission notice shall be
17 // included in all copies or substantial portions of the Software.
19 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
20 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
21 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
22 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
23 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
24 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
25 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
28 using System.Reflection.Emit;
29 using System.Runtime.CompilerServices;
30 using System.Runtime.InteropServices;
32 namespace System.Reflection
36 [ComDefaultInterfaceAttribute (typeof (_ParameterInfo))]
39 [ClassInterfaceAttribute (ClassInterfaceType.None)]
40 public class ParameterInfo : ICustomAttributeProvider, _ParameterInfo {
42 protected Type ClassImpl;
43 protected object DefaultValueImpl;
44 protected MemberInfo MemberImpl;
45 protected string NameImpl;
46 protected int PositionImpl;
47 protected ParameterAttributes AttrsImpl;
48 private UnmanagedMarshal marshalAs;
50 protected ParameterInfo () {
53 internal ParameterInfo (ParameterBuilder pb, Type type, MemberInfo member, int position) {
54 this.ClassImpl = type;
55 this.MemberImpl = member;
57 this.NameImpl = pb.Name;
58 this.PositionImpl = pb.Position - 1; // ParameterInfo.Position is zero-based
59 this.AttrsImpl = (ParameterAttributes) pb.Attributes;
62 this.PositionImpl = position - 1;
63 this.AttrsImpl = ParameterAttributes.None;
67 /* to build a ParameterInfo for the return type of a method */
68 internal ParameterInfo (Type type, MemberInfo member) {
69 this.ClassImpl = type;
70 this.MemberImpl = member;
72 this.PositionImpl = -1; // since parameter positions are zero-based, return type pos is -1
73 this.AttrsImpl = ParameterAttributes.Retval;
76 public virtual Type ParameterType {
77 get {return ClassImpl;}
79 public virtual ParameterAttributes Attributes {
80 get {return AttrsImpl;}
82 public virtual object DefaultValue {
83 get {return DefaultValueImpl;}
87 get {return (AttrsImpl & ParameterAttributes.In) != 0;}
91 get {return (AttrsImpl & ParameterAttributes.Lcid) != 0;}
94 public bool IsOptional {
95 get {return (AttrsImpl & ParameterAttributes.Optional) != 0;}
99 get {return (AttrsImpl & ParameterAttributes.Out) != 0;}
102 public bool IsRetval {
103 get {return (AttrsImpl & ParameterAttributes.Retval) != 0;}
106 public virtual MemberInfo Member {
107 get {return MemberImpl;}
110 public virtual string Name {
111 get {return NameImpl;}
114 public virtual int Position {
115 get {return PositionImpl;}
118 #if NET_2_0 || BOOTSTRAP_NET_2_0
123 virtual extern int MetadataToken {
124 [MethodImplAttribute (MethodImplOptions.InternalCall)]
128 public virtual object[] GetCustomAttributes (bool inherit)
130 return MonoCustomAttrs.GetCustomAttributes (this, inherit);
133 public virtual object[] GetCustomAttributes (Type attributeType, bool inherit)
135 return MonoCustomAttrs.GetCustomAttributes (this, attributeType, inherit);
138 public virtual bool IsDefined( Type attributeType, bool inherit) {
139 return MonoCustomAttrs.IsDefined (this, attributeType, inherit);
142 internal object[] GetPseudoCustomAttributes () {
151 if (marshalAs != null)
156 object[] attrs = new object [count];
160 attrs [count ++] = new InAttribute ();
162 attrs [count ++] = new OptionalAttribute ();
164 attrs [count ++] = new OutAttribute ();
166 if (marshalAs != null)
167 attrs [count ++] = marshalAs.ToMarshalAsAttribute ();
172 #if NET_2_0 || BOOTSTRAP_NET_2_0
173 [Obsolete ("Use ParameterInfo.GetOptionalCustomModifiers().")]
174 public virtual Type[] OptionalCustomModifiers {
176 return GetOptionalCustomModifiers ();
180 [Obsolete ("Use ParameterInfo.GetRequiredCustomModifiers().")]
181 public virtual Type[] RequiredCustomModifiers {
183 return GetRequiredCustomModifiers ();
188 public virtual Type[] GetOptionalCustomModifiers () {
189 throw new NotImplementedException ();
193 public virtual Type[] GetRequiredCustomModifiers () {
194 throw new NotImplementedException ();
198 public virtual object RawDefaultValue {
200 throw new NotImplementedException ();
206 void _ParameterInfo.GetIDsOfNames ([In] ref Guid riid, IntPtr rgszNames, uint cNames, uint lcid, IntPtr rgDispId)
208 throw new NotImplementedException ();
211 void _ParameterInfo.GetTypeInfo (uint iTInfo, uint lcid, IntPtr ppTInfo)
213 throw new NotImplementedException ();
216 void _ParameterInfo.GetTypeInfoCount (out uint pcTInfo)
218 throw new NotImplementedException ();
221 void _ParameterInfo.Invoke (uint dispIdMember, [In] ref Guid riid, uint lcid, short wFlags, IntPtr pDispParams,
222 IntPtr pVarResult, IntPtr pExcepInfo, IntPtr puArgErr)
224 throw new NotImplementedException ();