2 // System.Reflection/MethodBase.cs
5 // Paolo Molaro (lupus@ximian.com)
7 // (C) 2001 Ximian, Inc. http://www.ximian.com
8 // Copyright (C) 2004-2005 Novell, Inc (http://www.novell.com)
10 // Permission is hereby granted, free of charge, to any person obtaining
11 // a copy of this software and associated documentation files (the
12 // "Software"), to deal in the Software without restriction, including
13 // without limitation the rights to use, copy, modify, merge, publish,
14 // distribute, sublicense, and/or sell copies of the Software, and to
15 // permit persons to whom the Software is furnished to do so, subject to
16 // the following conditions:
18 // The above copyright notice and this permission notice shall be
19 // included in all copies or substantial portions of the Software.
21 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
22 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
23 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
24 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
25 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
26 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
27 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
30 using System.Diagnostics;
31 using System.Globalization;
32 using System.Reflection.Emit;
33 using System.Runtime.CompilerServices;
34 using System.Runtime.InteropServices;
36 namespace System.Reflection {
40 [ComDefaultInterfaceAttribute (typeof (_MethodBase))]
43 [ClassInterface(ClassInterfaceType.None)]
44 public abstract class MethodBase: MemberInfo, _MethodBase {
46 [MethodImplAttribute (MethodImplOptions.InternalCall)]
47 public extern static MethodBase GetCurrentMethod ();
49 [MethodImplAttribute (MethodImplOptions.InternalCall)]
50 private extern static MethodBase GetMethodFromHandleInternal(IntPtr handle);
52 public static MethodBase GetMethodFromHandle(RuntimeMethodHandle handle) {
53 return GetMethodFromHandleInternal (handle.Value);
56 public abstract MethodImplAttributes GetMethodImplementationFlags();
58 public abstract ParameterInfo[] GetParameters();
61 // This is a quick version for our own use. We should override
62 // it where possible so that it does not allocate an array.
64 internal virtual int GetParameterCount ()
66 ParameterInfo [] pi = GetParameters ();
74 public new Type GetType ()
76 return base.GetType ();
82 #if NET_2_0 || BOOTSTRAP_NET_2_0
85 public Object Invoke(Object obj, Object[] parameters) {
86 return Invoke (obj, 0, null, parameters, null);
89 public abstract Object Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture);
91 protected MethodBase()
95 public abstract RuntimeMethodHandle MethodHandle { get; }
96 public abstract MethodAttributes Attributes { get; }
97 public virtual CallingConventions CallingConvention { get {return CallingConventions.Standard;} }
98 public Boolean IsPublic {
100 return (Attributes & MethodAttributes.MemberAccessMask) == MethodAttributes.Public;
103 public Boolean IsPrivate {
105 return (Attributes & MethodAttributes.MemberAccessMask) == MethodAttributes.Private;
108 public Boolean IsFamily {
110 return (Attributes & MethodAttributes.MemberAccessMask) == MethodAttributes.Family;
113 public Boolean IsAssembly {
115 return (Attributes & MethodAttributes.MemberAccessMask) == MethodAttributes.Assembly;
118 public Boolean IsFamilyAndAssembly {
120 return (Attributes & MethodAttributes.MemberAccessMask) == MethodAttributes.FamANDAssem;
123 public Boolean IsFamilyOrAssembly {
125 return (Attributes & MethodAttributes.MemberAccessMask) == MethodAttributes.FamORAssem;
128 public Boolean IsStatic {
130 return (Attributes & MethodAttributes.Static) != 0;
133 public Boolean IsFinal {
135 return (Attributes & MethodAttributes.Final) != 0;
138 public Boolean IsVirtual {
140 return (Attributes & MethodAttributes.Virtual) != 0;
143 public Boolean IsHideBySig {
145 return (Attributes & MethodAttributes.HideBySig) != 0;
148 public Boolean IsAbstract {
150 return (Attributes & MethodAttributes.Abstract) != 0;
153 public Boolean IsSpecialName {
155 int attr = (int)Attributes;
156 return (attr & (int)MethodAttributes.SpecialName) != 0;
159 public Boolean IsConstructor {
161 int attr = (int)Attributes;
162 return ((attr & (int)MethodAttributes.RTSpecialName) != 0
163 && (Name == ".ctor"));
167 internal virtual int get_next_table_index (object obj, int table, bool inc) {
168 if (this is MethodBuilder) {
169 MethodBuilder mb = (MethodBuilder)this;
170 return mb.get_next_table_index (obj, table, inc);
172 if (this is ConstructorBuilder) {
173 ConstructorBuilder mb = (ConstructorBuilder)this;
174 return mb.get_next_table_index (obj, table, inc);
176 throw new Exception ("Method is not a builder method");
179 #if NET_2_0 || BOOTSTRAP_NET_2_0
180 public virtual MethodInfo MakeGenericMethod (Type [] types)
182 throw new NotSupportedException (this.GetType().ToString ());
185 public virtual Type [] GetGenericArguments ()
187 throw new NotSupportedException ();
190 public virtual MethodInfo GetGenericMethodDefinition ()
192 throw new NotSupportedException ();
195 public virtual bool Mono_IsInflatedMethod {
197 throw new NotSupportedException ();
201 public virtual bool HasGenericParameters {
203 throw new NotSupportedException ();
207 public virtual bool IsGenericMethodDefinition {
209 throw new NotSupportedException ();
215 [MethodImplAttribute (MethodImplOptions.InternalCall)]
216 internal extern static MethodBody GetMethodBodyInternal (IntPtr handle);
218 internal static MethodBody GetMethodBody (IntPtr handle) {
219 MethodBody mb = GetMethodBodyInternal (handle);
221 throw new ArgumentException ("Only methods with IL bodies are supported.");
226 public virtual MethodBody GetMethodBody () {
227 throw new NotSupportedException ();
231 void _MethodBase.GetIDsOfNames ([In] ref Guid riid, IntPtr rgszNames, uint cNames, uint lcid, IntPtr rgDispId)
233 throw new NotImplementedException ();
236 void _MethodBase.GetTypeInfo (uint iTInfo, uint lcid, IntPtr ppTInfo)
238 throw new NotImplementedException ();
241 void _MethodBase.GetTypeInfoCount (out uint pcTInfo)
243 throw new NotImplementedException ();
246 void _MethodBase.Invoke (uint dispIdMember, [In] ref Guid riid, uint lcid, short wFlags, IntPtr pDispParams, IntPtr pVarResult, IntPtr pExcepInfo, IntPtr puArgErr)
248 throw new NotImplementedException ();