/* ****************************************************************************
*
* 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.Collections.Generic;
using System.Diagnostics;
using System.Runtime.CompilerServices;
namespace Microsoft.Scripting.Debugging{
/// <summary>
/// Implements IRuntimeVariables in a way that preserves scoping within the lambda.
/// </summary>
internal class ScopedRuntimeVariables : IRuntimeVariables {
private readonly IList<VariableInfo> _variableInfos;
private readonly IRuntimeVariables _variables;
internal ScopedRuntimeVariables(IList<VariableInfo> variableInfos, IRuntimeVariables variables) {
_variableInfos = variableInfos;
_variables = variables;
}
#region IRuntimeVariables
public int Count {
get { return _variableInfos.Count; }
}
public object this[int index] {
get {
Debug.Assert(index < _variableInfos.Count);
return _variables[_variableInfos[index].GlobalIndex];
}
set {
Debug.Assert(index < _variableInfos.Count);
_variables[_variableInfos[index].GlobalIndex] = value;
}
}
#endregion
}
}
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