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8c763fb | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 | // Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
using System;
using System.Diagnostics;
using System.Linq.Expressions;
namespace System.Management.Automation.ComInterop
{
internal sealed class BoolArgBuilder : SimpleArgBuilder
{
internal BoolArgBuilder(Type parameterType)
: base(parameterType)
{
Debug.Assert(parameterType == typeof(bool));
}
internal override Expression MarshalToRef(Expression parameter)
{
// parameter ? -1 : 0
return Expression.Condition(
Marshal(parameter),
Expression.Constant((short)(-1)),
Expression.Constant((short)0)
);
}
internal override Expression UnmarshalFromRef(Expression value)
{
//parameter = temp != 0
return base.UnmarshalFromRef(
Expression.NotEqual(
value,
Expression.Constant((short)0)
)
);
}
}
}
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