67 lines
1.9 KiB
C#
67 lines
1.9 KiB
C#
/* ****************************************************************************
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*
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* Copyright (c) Microsoft Corporation.
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*
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* This source code is subject to terms and conditions of the Microsoft Public License. A
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* copy of the license can be found in the License.html file at the root of this distribution. If
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* you cannot locate the Microsoft Public License, please send an email to
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* dlr@microsoft.com. By using this source code in any fashion, you are agreeing to be bound
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* by the terms of the Microsoft Public License.
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*
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* You must not remove this notice, or any other, from this software.
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*
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*
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* ***************************************************************************/
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using System; using Microsoft;
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#if !SILVERLIGHT // ComObject
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using System.Collections.Generic;
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#if CODEPLEX_40
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using System.Linq.Expressions;
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#else
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using Microsoft.Linq.Expressions;
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#endif
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using System.Runtime.InteropServices;
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using System.Diagnostics;
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#if CODEPLEX_40
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using System.Dynamic.Utils;
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#else
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using Microsoft.Scripting.Utils;
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#endif
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#if CODEPLEX_40
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namespace System.Dynamic {
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#else
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namespace Microsoft.Scripting {
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#endif
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internal class ErrorArgBuilder : SimpleArgBuilder {
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internal ErrorArgBuilder(Type parameterType)
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: base(parameterType) {
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Debug.Assert(parameterType == typeof(ErrorWrapper));
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}
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internal override Expression Marshal(Expression parameter) {
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// parameter.ErrorCode
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return Expression.Property(
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Helpers.Convert(base.Marshal(parameter), typeof(ErrorWrapper)),
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"ErrorCode"
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);
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}
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internal override Expression UnmarshalFromRef(Expression value) {
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// new ErrorWrapper(value)
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return base.UnmarshalFromRef(
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Expression.New(
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typeof(ErrorWrapper).GetConstructor(new Type[] { typeof(int) }),
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value
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)
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);
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}
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}
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}
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#endif
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