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/* ****************************************************************************
*
* 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 // ComObject
using System.Collections.Generic;
#if CODEPLEX_40
using System.Linq.Expressions;
#else
using Microsoft.Linq.Expressions;
#endif
using System.Runtime.InteropServices;
using System.Diagnostics;
#if CODEPLEX_40
using System.Dynamic.Utils;
#else
using Microsoft.Scripting.Utils;
#endif
#if CODEPLEX_40
namespace System.Dynamic {
#else
namespace Microsoft.Scripting {
#endif
internal class ErrorArgBuilder : SimpleArgBuilder {
internal ErrorArgBuilder(Type parameterType)
: base(parameterType) {
Debug.Assert(parameterType == typeof(ErrorWrapper));
}
internal override Expression Marshal(Expression parameter) {
// parameter.ErrorCode
return Expression.Property(
Helpers.Convert(base.Marshal(parameter), typeof(ErrorWrapper)),
"ErrorCode"
);
}
internal override Expression UnmarshalFromRef(Expression value) {
// new ErrorWrapper(value)
return base.UnmarshalFromRef(
Expression.New(
typeof(ErrorWrapper).GetConstructor(new Type[] { typeof(int) }),
value
)
);
}
}
}
#endif
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