2 Copyright (C) 2009 Jeroen Frijters
4 This software is provided 'as-is', without any express or implied
5 warranty. In no event will the authors be held liable for any damages
6 arising from the use of this software.
8 Permission is granted to anyone to use this software for any purpose,
9 including commercial applications, and to alter it and redistribute it
10 freely, subject to the following restrictions:
12 1. The origin of this software must not be misrepresented; you must not
13 claim that you wrote the original software. If you use this software
14 in a product, an acknowledgment in the product documentation would be
15 appreciated but is not required.
16 2. Altered source versions must be plainly marked as such, and must not be
17 misrepresented as being the original software.
18 3. This notice may not be removed or altered from any source distribution.
24 using System.Collections.Generic;
26 namespace IKVM.Reflection
28 public abstract class ParameterInfo : ICustomAttributeProvider
30 // prevent external subclasses
31 internal ParameterInfo()
35 public sealed override bool Equals(object obj)
37 ParameterInfo other = obj as ParameterInfo;
38 return other != null && other.Member == this.Member && other.Position == this.Position;
41 public sealed override int GetHashCode()
43 return this.Member.GetHashCode() * 1777 + this.Position;
46 public static bool operator ==(ParameterInfo p1, ParameterInfo p2)
48 return ReferenceEquals(p1, p2) || (!ReferenceEquals(p1, null) && p1.Equals(p2));
51 public static bool operator !=(ParameterInfo p1, ParameterInfo p2)
56 public abstract string Name { get; }
57 public abstract Type ParameterType { get; }
58 public abstract ParameterAttributes Attributes { get; }
59 public abstract int Position { get; }
60 public abstract object RawDefaultValue { get; }
61 public abstract CustomModifiers __GetCustomModifiers();
62 public abstract MemberInfo Member { get; }
63 public abstract int MetadataToken { get; }
64 internal abstract Module Module { get; }
66 public Type[] GetOptionalCustomModifiers()
68 return __GetCustomModifiers().GetOptional();
71 public Type[] GetRequiredCustomModifiers()
73 return __GetCustomModifiers().GetRequired();
78 get { return (Attributes & ParameterAttributes.In) != 0; }
83 get { return (Attributes & ParameterAttributes.Out) != 0; }
88 get { return (Attributes & ParameterAttributes.Lcid) != 0; }
93 get { return (Attributes & ParameterAttributes.Retval) != 0; }
96 public bool IsOptional
98 get { return (Attributes & ParameterAttributes.Optional) != 0; }
101 public bool IsDefined(Type attributeType, bool inherit)
103 return CustomAttributeData.__GetCustomAttributes(this, attributeType, inherit).Count != 0;
106 public IList<CustomAttributeData> __GetCustomAttributes(Type attributeType, bool inherit)
108 return CustomAttributeData.__GetCustomAttributes(this, attributeType, inherit);
111 internal virtual IList<CustomAttributeData> GetCustomAttributesData(Type attributeType)
113 return this.Module.GetCustomAttributes(this.MetadataToken, attributeType);
117 sealed class ParameterInfoWrapper : ParameterInfo
119 private readonly MemberInfo member;
120 private readonly ParameterInfo forward;
122 internal ParameterInfoWrapper(MemberInfo member, ParameterInfo forward)
124 this.member = member;
125 this.forward = forward;
128 public override string Name
130 get { return forward.Name; }
133 public override Type ParameterType
135 get { return forward.ParameterType; }
138 public override ParameterAttributes Attributes
140 get { return forward.Attributes; }
143 public override int Position
145 get { return forward.Position; }
148 public override object RawDefaultValue
150 get { return forward.RawDefaultValue; }
153 public override CustomModifiers __GetCustomModifiers()
155 return forward.__GetCustomModifiers();
158 public override MemberInfo Member
160 get { return member; }
163 public override int MetadataToken
165 get { return forward.MetadataToken; }
168 internal override Module Module
170 get { return member.Module; }
173 internal override IList<CustomAttributeData> GetCustomAttributesData(Type attributeType)
175 return forward.GetCustomAttributesData(attributeType);