public ThisInitializer (HoistedThis hoisted_this)
			{
				this.hoisted_this = hoisted_this;
			}

		public void AddCapturedThisField (EmitContext ec)
		{
			TypeExpr type_expr = new TypeExpression (ec.CurrentType, Location);
			Field f = AddCompilerGeneratedField ("$this", type_expr);
			hoisted_this = new HoistedThis (this, f);

			initialize_hoisted_this = true;
		}

			public ThisInitializer (HoistedThis hoisted_this, AnonymousMethodStorey parent)
			{
				this.hoisted_this = hoisted_this;
				this.parent = parent;
			}

		public void AddCapturedThisField (EmitContext ec)
		{
			TypeExpr type_expr = new TypeExpression (ec.CurrentType, Location);
			Field f = AddCompilerGeneratedField ("<>f__this", type_expr);
			f.Define ();
			hoisted_this = new HoistedThis (this, f);

			// Inflated type instance has to be updated manually
			if (Instance.Type is InflatedTypeSpec) {
				var inflator = new TypeParameterInflator (this, Instance.Type, TypeParameterSpec.EmptyTypes, TypeSpec.EmptyTypes);
				Instance.Type.MemberCache.AddMember (f.Spec.InflateMember (inflator));

				inflator = new TypeParameterInflator (this, f.Parent.CurrentType, TypeParameterSpec.EmptyTypes, TypeSpec.EmptyTypes);
				f.Parent.CurrentType.MemberCache.AddMember (f.Spec.InflateMember (inflator));
			}
		}

		public void AddCapturedThisField (EmitContext ec)
		{
			TypeExpr type_expr = new TypeExpression (ec.CurrentType, Location);
			Field f = AddCompilerGeneratedField ("<>f__this", type_expr);
			f.Define ();
			hoisted_this = new HoistedThis (this, f);
		}

		public HoistedThis CaptureThis (EmitContext ec, This t)
		{
			hoisted_this = new HoistedThis (this, t);
			return hoisted_this;
		}

		//
		// Initializes all hoisted variables
		//
		public void EmitStoreyInstantiation (EmitContext ec)
		{
			// There can be only one instance variable for each storey type
			if (Instance != null)
				throw new InternalErrorException ();

			//
			// A storey with hoisted `this' is an instance method
			//
			if (!HasHoistedVariables) {
				hoisted_this.RemoveHoisting ();
				hoisted_this = null;
				return;
			}

			SymbolWriter.OpenCompilerGeneratedBlock (ec.ig);

			DefineStoreyReferences ();

			//
			// Create an instance of storey type
			//
			Expression storey_type_expr;
			if (is_generic) {
				//
				// Use current method type parameter (MVAR) for top level storey only. All
				// nested storeys use class type parameter (VAR)
				//
				TypeParameter[] tparams = ec.CurrentAnonymousMethod != null && ec.CurrentAnonymousMethod.Storey != null ?
					ec.CurrentAnonymousMethod.Storey.TypeParameters :
					ec.GenericDeclContainer.TypeParameters;

				TypeArguments targs = new TypeArguments ();

				if (tparams.Length < CountTypeParameters) {
					TypeParameter[] parent_tparams = ec.DeclContainer.Parent.CurrentTypeParameters;
					for (int i = 0; i < parent_tparams.Length; ++i)
						targs.Add (new TypeParameterExpr (parent_tparams[i], Location));
				}
				
				for (int i = 0; i < tparams.Length; ++i)
					targs.Add (new TypeParameterExpr (tparams[i], Location));

				storey_type_expr = new GenericTypeExpr (TypeBuilder, targs, Location);
			} else {
				storey_type_expr = new TypeExpression (TypeBuilder, Location);
			}

			Expression e = new New (storey_type_expr, new ArrayList (0), Location).Resolve (ec);
			e.Emit (ec);

			Instance = new LocalTemporary (storey_type_expr.Type);
			Instance.Store (ec);

			EmitHoistedFieldsInitialization (ec);

			SymbolWriter.DefineScopeVariable (ID, Instance.Builder);
			SymbolWriter.CloseCompilerGeneratedBlock (ec.ig);
		}