88 lines
3.2 KiB
C#
88 lines
3.2 KiB
C#
/* ****************************************************************************
|
|
*
|
|
* Copyright (c) Microsoft Corporation.
|
|
*
|
|
* This source code is subject to terms and conditions of the Microsoft Public License. A
|
|
* copy of the license can be found in the License.html file at the root of this distribution. If
|
|
* you cannot locate the Microsoft Public License, please send an email to
|
|
* dlr@microsoft.com. By using this source code in any fashion, you are agreeing to be bound
|
|
* by the terms of the Microsoft Public License.
|
|
*
|
|
* You must not remove this notice, or any other, from this software.
|
|
*
|
|
*
|
|
* ***************************************************************************/
|
|
using System; using Microsoft;
|
|
|
|
|
|
#if !SILVERLIGHT
|
|
|
|
#if CODEPLEX_40
|
|
using System.Linq.Expressions;
|
|
using System.Dynamic;
|
|
using System.Dynamic.Utils;
|
|
#else
|
|
using Microsoft.Linq.Expressions;
|
|
using Microsoft.Scripting;
|
|
using Microsoft.Scripting.Utils;
|
|
#endif
|
|
using System.Collections.Generic;
|
|
|
|
#if CODEPLEX_40
|
|
namespace System.Dynamic {
|
|
#else
|
|
namespace Microsoft.Scripting {
|
|
#endif
|
|
|
|
// Note: we only need to support the operations used by ComBinder
|
|
internal class ComMetaObject : DynamicMetaObject {
|
|
internal ComMetaObject(Expression expression, BindingRestrictions restrictions, object arg)
|
|
: base(expression, restrictions, arg) {
|
|
}
|
|
|
|
public override DynamicMetaObject BindInvokeMember(InvokeMemberBinder binder, DynamicMetaObject[] args) {
|
|
ContractUtils.RequiresNotNull(binder, "binder");
|
|
return binder.Defer(args.AddFirst(WrapSelf()));
|
|
}
|
|
|
|
public override DynamicMetaObject BindInvoke(InvokeBinder binder, DynamicMetaObject[] args) {
|
|
ContractUtils.RequiresNotNull(binder, "binder");
|
|
return binder.Defer(args.AddFirst(WrapSelf()));
|
|
}
|
|
|
|
public override DynamicMetaObject BindGetMember(GetMemberBinder binder) {
|
|
ContractUtils.RequiresNotNull(binder, "binder");
|
|
return binder.Defer(WrapSelf());
|
|
}
|
|
|
|
public override DynamicMetaObject BindSetMember(SetMemberBinder binder, DynamicMetaObject value) {
|
|
ContractUtils.RequiresNotNull(binder, "binder");
|
|
return binder.Defer(WrapSelf(), value);
|
|
}
|
|
|
|
public override DynamicMetaObject BindGetIndex(GetIndexBinder binder, DynamicMetaObject[] indexes) {
|
|
ContractUtils.RequiresNotNull(binder, "binder");
|
|
return binder.Defer(WrapSelf(), indexes);
|
|
}
|
|
|
|
public override DynamicMetaObject BindSetIndex(SetIndexBinder binder, DynamicMetaObject[] indexes, DynamicMetaObject value) {
|
|
ContractUtils.RequiresNotNull(binder, "binder");
|
|
return binder.Defer(WrapSelf(), indexes.AddLast(value));
|
|
}
|
|
|
|
private DynamicMetaObject WrapSelf() {
|
|
return new DynamicMetaObject(
|
|
ComObject.RcwToComObject(Expression),
|
|
BindingRestrictions.GetExpressionRestriction(
|
|
Expression.Call(
|
|
typeof(ComObject).GetMethod("IsComObject", System.Reflection.BindingFlags.Static | System.Reflection.BindingFlags.NonPublic),
|
|
Helpers.Convert(Expression, typeof(object))
|
|
)
|
|
)
|
|
);
|
|
}
|
|
}
|
|
}
|
|
|
|
#endif
|