2010-06-21 Atsushi Enomoto <atsushi@ximian.com>

[mcs.git] / class / corlib / System.Reflection.Emit / ConstructorOnTypeBuilderInst.cs

//
// System.Reflection.Emit/ConstructorOnTypeBuilderInst.cs
//
// Author:
//   Zoltan Varga (vargaz@gmail.com)
//
//
// Copyright (C) 2008 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;
using System.Globalization;
using System.Reflection;

namespace System.Reflection.Emit
{
        /*
         * This class represents a ctor of an instantiation of a generic type builder.
         */
        internal class ConstructorOnTypeBuilderInst : ConstructorInfo
        {
                #region Keep in sync with object-internals.h
                MonoGenericClass instantiation;
                ConstructorInfo cb;
                #endregion

                public ConstructorOnTypeBuilderInst (MonoGenericClass instantiation, ConstructorInfo cb)
                {
                        this.instantiation = instantiation;
                        this.cb = cb;
                }

                //
                // MemberInfo members
                //
                
                public override Type DeclaringType {
                        get {
                                return instantiation;
                        }
                }

                public override string Name {
                        get {
                                return cb.Name;
                        }
                }

                public override Type ReflectedType {
                        get {
                                return instantiation;
                        }
                }

                public override bool IsDefined (Type attributeType, bool inherit)
                {
                        return cb.IsDefined (attributeType, inherit);
                }

                public override object [] GetCustomAttributes (bool inherit)
                {
                        return cb.GetCustomAttributes (inherit);
                }

                public override object [] GetCustomAttributes (Type attributeType, bool inherit)
                {
                        return cb.GetCustomAttributes (attributeType, inherit);
                }

                //
                // MethodBase members
                //

                public override MethodImplAttributes GetMethodImplementationFlags ()
                {
                        return cb.GetMethodImplementationFlags ();
                }

                public override ParameterInfo[] GetParameters ()
                {
                        /*FIXME, maybe the right thing to do when the type is creates is to retrieve from the inflated type*/
                        if (!instantiation.IsCompilerContext && !instantiation.IsCreated)
                                throw new NotSupportedException ();

                        ParameterInfo [] res;
                        if (cb is ConstructorBuilder) {
                                ConstructorBuilder cbuilder = (ConstructorBuilder)cb;
                                res = new ParameterInfo [cbuilder.parameters.Length];
                                for (int i = 0; i < cbuilder.parameters.Length; i++) {
                                        Type type = instantiation.InflateType (cbuilder.parameters [i]);
                                        res [i] = new ParameterInfo (cbuilder.pinfo == null ? null : cbuilder.pinfo [i], type, this, i + 1);
                                }
                        } else {
                                ParameterInfo[] parms = cb.GetParameters ();
                                res = new ParameterInfo [parms.Length];
                                for (int i = 0; i < parms.Length; i++) {
                                        Type type = instantiation.InflateType (parms [i].ParameterType);
                                        res [i] = new ParameterInfo (parms [i], type, this, i + 1);
                                }
                        }
                        return res;
                }

                public override int MetadataToken {
                        get {
                                if (!instantiation.IsCompilerContext)
                                        return base.MetadataToken;
                                return cb.MetadataToken;
                        }
                }

                internal override int GetParameterCount ()
                {
                        return cb.GetParameterCount ();
                }

                public override Object Invoke (Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
                {
                        return cb.Invoke (obj, invokeAttr, binder, parameters,
                                culture);
                }

                public override RuntimeMethodHandle MethodHandle {
                        get {
                                return cb.MethodHandle;
                        }
                }

                public override MethodAttributes Attributes {
                        get {
                                return cb.Attributes;
                        }
                }

                public override CallingConventions CallingConvention {
                        get {
                                return cb.CallingConvention;
                        }
                }

                public override Type [] GetGenericArguments ()
                {
                        return cb.GetGenericArguments ();
                }

                public override bool ContainsGenericParameters {
                        get {
                                return false;
                        }
                }

                public override bool IsGenericMethodDefinition {
                        get {
                                return false;
                        }
                }

                public override bool IsGenericMethod {
                        get {
                                return false;
                        }
                }

                //
                // MethodBase members
                //

                public override object Invoke (BindingFlags invokeAttr, Binder binder, object[] parameters,
                                                                           CultureInfo culture)
                {
                        throw new InvalidOperationException ();
                }
        }
}