mcs/class/corlib/System.Reflection/MethodBase.cs

   1 //
   2 // System.Reflection/MethodBase.cs
   3 //
   4 // Author:
   5 //   Paolo Molaro (lupus@ximian.com)
   6 //
   7 // (C) 2001 Ximian, Inc.  http://www.ximian.com
   8 //
   9
  10 //
  11 // Copyright (C) 2004 Novell, Inc (http://www.novell.com)
  12 //
  13 // Permission is hereby granted, free of charge, to any person obtaining
  14 // a copy of this software and associated documentation files (the
  15 // "Software"), to deal in the Software without restriction, including
  16 // without limitation the rights to use, copy, modify, merge, publish,
  17 // distribute, sublicense, and/or sell copies of the Software, and to
  18 // permit persons to whom the Software is furnished to do so, subject to
  19 // the following conditions:
  20 //
  21 // The above copyright notice and this permission notice shall be
  22 // included in all copies or substantial portions of the Software.
  23 //
  24 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  25 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  26 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  27 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  28 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  29 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  30 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  31 //
  32
  33 using System;
  34 using System.Diagnostics;
  35 using System.Globalization;
  36 using System.Reflection.Emit;
  37 using System.Runtime.CompilerServices;
  38 using System.Runtime.InteropServices;
  39
  40 namespace System.Reflection {
  41
  42         [Serializable]
  43         [ClassInterface(ClassInterfaceType.AutoDual)]
  44         public abstract class MethodBase: MemberInfo {
  45
  46                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
  47                 public extern static MethodBase GetCurrentMethod ();
  48
  49                 public static MethodBase GetMethodFromHandle(RuntimeMethodHandle handle)
  50                 {
  51                         return null;
  52                 }
  53
  54                 public abstract MethodImplAttributes GetMethodImplementationFlags();
  55
  56                 public abstract ParameterInfo[] GetParameters();
  57
  58                 //
  59                 // This is a quick version for our own use. We should override
  60                 // it where possible so that it does not allocate an array.
  61                 //
  62                 internal virtual int GetParameterCount ()
  63                 {
  64                         ParameterInfo [] pi = GetParameters ();
  65                         if (pi == null)
  66                                 return 0;
  67
  68                         return pi.Length;
  69                 }
  70
  71                 [DebuggerHidden]
  72                 [DebuggerStepThrough]
  73 #if NET_2_0 || BOOTSTRAP_NET_2_0
  74                 virtual
  75 #endif
  76                 public Object Invoke(Object obj, Object[] parameters) {
  77                         return Invoke (obj, 0, null, parameters, null);
  78                 }
  79
  80                 public abstract Object Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture);
  81
  82                 protected MethodBase()
  83                 {
  84                 }
  85
  86                 public abstract RuntimeMethodHandle MethodHandle { get; }
  87                 public abstract MethodAttributes Attributes { get; }
  88                 public virtual CallingConventions CallingConvention { get {return CallingConventions.Standard;} }
  89                 public Boolean IsPublic {
  90                         get {
  91                                 return (Attributes & MethodAttributes.MemberAccessMask) == MethodAttributes.Public;
  92                         }
  93                 }
  94                 public Boolean IsPrivate {
  95                         get {
  96                                 return (Attributes & MethodAttributes.MemberAccessMask) == MethodAttributes.Private;
  97                         }
  98                 }
  99                 public Boolean IsFamily {
 100                         get {
 101                                 return (Attributes & MethodAttributes.MemberAccessMask) == MethodAttributes.Family;
 102                         }
 103                 }
 104                 public Boolean IsAssembly {
 105                         get {
 106                                 return (Attributes & MethodAttributes.MemberAccessMask) == MethodAttributes.Assembly;
 107                         }
 108                 }
 109                 public Boolean IsFamilyAndAssembly {
 110                         get {
 111                                 return (Attributes & MethodAttributes.MemberAccessMask) == MethodAttributes.FamANDAssem;
 112                         }
 113                 }
 114                 public Boolean IsFamilyOrAssembly {
 115                         get {
 116                                 return (Attributes & MethodAttributes.MemberAccessMask) == MethodAttributes.FamORAssem;
 117                         }
 118                 }
 119                 public Boolean IsStatic {
 120                         get {
 121                                 return (Attributes & MethodAttributes.Static) != 0;
 122                         }
 123                 }
 124                 public Boolean IsFinal {
 125                         get {
 126                                 return (Attributes & MethodAttributes.Final) != 0;
 127                         }
 128                 }
 129                 public Boolean IsVirtual {
 130                         get {
 131                                 return (Attributes & MethodAttributes.Virtual) != 0;
 132                         }
 133                 }
 134                 public Boolean IsHideBySig {
 135                         get {
 136                                 return (Attributes & MethodAttributes.HideBySig) != 0;
 137                         }
 138                 }
 139                 public Boolean IsAbstract {
 140                         get {
 141                                 return (Attributes & MethodAttributes.Abstract) != 0;
 142                         }
 143                 }
 144                 public Boolean IsSpecialName {
 145                         get {
 146                                 int attr = (int)Attributes;
 147                                 return (attr & (int)MethodAttributes.SpecialName) != 0;
 148                         }
 149                 }
 150                 public Boolean IsConstructor {
 151                         get {
 152                                 int attr = (int)Attributes;
 153                                 return ((attr & (int)MethodAttributes.RTSpecialName) != 0
 154                                         && (Name == ".ctor"));
 155                         }
 156                 }
 157
 158                 internal virtual int get_next_table_index (object obj, int table, bool inc) {
 159                         if (this is MethodBuilder) {
 160                                 MethodBuilder mb = (MethodBuilder)this;
 161                                 return mb.get_next_table_index (obj, table, inc);
 162                         }
 163                         if (this is ConstructorBuilder) {
 164                                 ConstructorBuilder mb = (ConstructorBuilder)this;
 165                                 return mb.get_next_table_index (obj, table, inc);
 166                         }
 167                         throw new Exception ("Method is not a builder method");
 168                 }
 169
 170 #if NET_2_0 || BOOTSTRAP_NET_2_0
 171                 public virtual MethodInfo BindGenericParameters (Type [] types)
 172                 {
 173                         throw new NotSupportedException ();
 174                 }
 175
 176                 public virtual Type [] GetGenericArguments ()
 177                 {
 178                         throw new NotSupportedException ();
 179                 }
 180
 181                 public virtual MethodInfo GetGenericMethodDefinition ()
 182                 {
 183                         throw new NotSupportedException ();
 184                 }
 185
 186                 public virtual bool Mono_IsInflatedMethod {
 187                         get {
 188                                 throw new NotSupportedException ();
 189                         }
 190                 }
 191
 192                 public virtual bool HasGenericParameters {
 193                         get {
 194                                 throw new NotSupportedException ();
 195                         }
 196                 }
 197
 198                 public virtual bool IsGenericMethodDefinition {
 199                         get {
 200                                 throw new NotSupportedException ();
 201                         }
 202                 }
 203 #endif
 204         }
 205 }