//
// System.Reflection/MethodBase.cs
//
// Author:
// Paolo Molaro (lupus@ximian.com)
//
// (C) 2001 Ximian, Inc. http://www.ximian.com
// Copyright (C) 2004-2005 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.
//
using System.Diagnostics;
using System.Globalization;
using System.Reflection.Emit;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
namespace System.Reflection{
[ComVisible (true)]
[ComDefaultInterfaceAttribute (typeof (_MethodBase))]
[Serializable]
[ClassInterface(ClassInterfaceType.None)]
public abstract class MethodBase: MemberInfo, _MethodBase {
[MethodImplAttribute (MethodImplOptions.InternalCall)]
public extern static MethodBase GetCurrentMethod ();
internal static MethodBase GetMethodFromHandleNoGenericCheck (RuntimeMethodHandle handle)
{
return GetMethodFromIntPtr (handle.Value, IntPtr.Zero);
}
static MethodBase GetMethodFromIntPtr (IntPtr handle, IntPtr declaringType)
{
if (handle == IntPtr.Zero)
throw new ArgumentException ("The handle is invalid.");
MethodBase res = GetMethodFromHandleInternalType (handle, declaringType);
if (res == null)
throw new ArgumentException ("The handle is invalid.");
return res;
}
public static MethodBase GetMethodFromHandle (RuntimeMethodHandle handle)
{
MethodBase res = GetMethodFromIntPtr (handle.Value, IntPtr.Zero);
Type t = res.DeclaringType;
if (t.IsGenericType || t.IsGenericTypeDefinition)
throw new ArgumentException ("Cannot resolve method because it's declared in a generic class.");
return res;
}
[MethodImplAttribute (MethodImplOptions.InternalCall)]
private extern static MethodBase GetMethodFromHandleInternalType (IntPtr method_handle, IntPtr type_handle);
[ComVisible (false)]
public static MethodBase GetMethodFromHandle (RuntimeMethodHandle handle, RuntimeTypeHandle declaringType)
{
return GetMethodFromIntPtr (handle.Value, declaringType.Value);
}
public abstract MethodImplAttributes GetMethodImplementationFlags();
public abstract ParameterInfo[] GetParameters();
//
// This is a quick version for our own use. We should override
// it where possible so that it does not allocate an array.
//
internal virtual int GetParameterCount ()
{
throw new NotImplementedException ("must be implemented");
}
[DebuggerHidden]
[DebuggerStepThrough]
public Object Invoke(Object obj, Object[] parameters) {
return Invoke (obj, 0, null, parameters, null);
}
public abstract Object Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture);
protected MethodBase()
{
}
public abstract RuntimeMethodHandle MethodHandle { get; }
public abstract MethodAttributes Attributes { get; }
public virtual CallingConventions CallingConvention { get {return CallingConventions.Standard;} }
public Boolean IsPublic {
get {
return (Attributes & MethodAttributes.MemberAccessMask) == MethodAttributes.Public;
}
}
public Boolean IsPrivate {
get {
return (Attributes & MethodAttributes.MemberAccessMask) == MethodAttributes.Private;
}
}
public Boolean IsFamily {
get {
return (Attributes & MethodAttributes.MemberAccessMask) == MethodAttributes.Family;
}
}
public Boolean IsAssembly {
get {
return (Attributes & MethodAttributes.MemberAccessMask) == MethodAttributes.Assembly;
}
}
public Boolean IsFamilyAndAssembly {
get {
return (Attributes & MethodAttributes.MemberAccessMask) == MethodAttributes.FamANDAssem;
}
}
public Boolean IsFamilyOrAssembly {
get {
return (Attributes & MethodAttributes.MemberAccessMask) == MethodAttributes.FamORAssem;
}
}
public Boolean IsStatic {
get {
return (Attributes & MethodAttributes.Static) != 0;
}
}
public Boolean IsFinal {
get {
return (Attributes & MethodAttributes.Final) != 0;
}
}
public Boolean IsVirtual {
get {
return (Attributes & MethodAttributes.Virtual) != 0;
}
}
public Boolean IsHideBySig {
get {
return (Attributes & MethodAttributes.HideBySig) != 0;
}
}
public Boolean IsAbstract {
get {
return (Attributes & MethodAttributes.Abstract) != 0;
}
}
public Boolean IsSpecialName {
get {
int attr = (int)Attributes;
return (attr & (int)MethodAttributes.SpecialName) != 0;
}
}
[ComVisibleAttribute (true)]
public Boolean IsConstructor {
get {
int attr = (int)Attributes;
return ((attr & (int)MethodAttributes.RTSpecialName) != 0
&& (Name == ".ctor"));
}
}
internal virtual int get_next_table_index (object obj, int table, bool inc) {
if (this is MethodBuilder) {
MethodBuilder mb = (MethodBuilder)this;
return mb.get_next_table_index (obj, table, inc);
}
if (this is ConstructorBuilder) {
ConstructorBuilder mb = (ConstructorBuilder)this;
return mb.get_next_table_index (obj, table, inc);
}
throw new Exception ("Method is not a builder method");
}
[ComVisible (true)]
public virtual Type [] GetGenericArguments ()
{
throw new NotSupportedException ();
}
public virtual bool ContainsGenericParameters {
get {
return false;
}
}
public virtual bool IsGenericMethodDefinition {
get {
return false;
}
}
public virtual bool IsGenericMethod {
get {
return false;
}
}
[MethodImplAttribute (MethodImplOptions.InternalCall)]
internal extern static MethodBody GetMethodBodyInternal (IntPtr handle);
internal static MethodBody GetMethodBody (IntPtr handle) {
return GetMethodBodyInternal (handle);
}
public virtual MethodBody GetMethodBody () {
throw new NotSupportedException ();
}
#if NET_4_0
public override bool Equals (object obj)
{
return obj == this;
}
public override int GetHashCode ()
{
return base.GetHashCode ();
}
public static bool operator == (MethodBase left, MethodBase right)
{
if ((object)left == (object)right)
return true;
if ((object)left == null ^ (object)right == null)
return false;
return left.Equals (right);
}
public static bool operator != (MethodBase left, MethodBase right)
{
if ((object)left == (object)right)
return false;
if ((object)left == null ^ (object)right == null)
return true;
return !left.Equals (right);
}
#endif
void _MethodBase.GetIDsOfNames ([In] ref Guid riid, IntPtr rgszNames, uint cNames, uint lcid, IntPtr rgDispId)
{
throw new NotImplementedException ();
}
void _MethodBase.GetTypeInfo (uint iTInfo, uint lcid, IntPtr ppTInfo)
{
throw new NotImplementedException ();
}
void _MethodBase.GetTypeInfoCount (out uint pcTInfo)
{
throw new NotImplementedException ();
}
void _MethodBase.Invoke (uint dispIdMember, [In] ref Guid riid, uint lcid, short wFlags, IntPtr pDispParams, IntPtr pVarResult, IntPtr pExcepInfo, IntPtr puArgErr)
{
throw new NotImplementedException ();
}
}
}
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