RuntimeLabel.cs

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using System.Globalization;
using System.Runtime.CompilerServices;
 
namespace System.Linq.Expressions.Interpreter;
 
internal readonly struct RuntimeLabel
{
    public readonly int Index;
 
    public readonly int StackDepth;
 
    public readonly int ContinuationStackDepth;
 
    public RuntimeLabel(int index, int continuationStackDepth, int stackDepth)
    {
        Index = index;
        ContinuationStackDepth = continuationStackDepth;
        StackDepth = stackDepth;
    }
 
    public override string ToString()
    {
        IFormatProvider invariantCulture = CultureInfo.InvariantCulture;
        DefaultInterpolatedStringHandler handler = new DefaultInterpolatedStringHandler(10, 3, invariantCulture);
        handler.AppendLiteral("->");
        handler.AppendFormatted(Index);
        handler.AppendLiteral(" C(");
        handler.AppendFormatted(ContinuationStackDepth);
        handler.AppendLiteral(") S(");
        handler.AppendFormatted(StackDepth);
        handler.AppendLiteral(")");
        return string.Create(invariantCulture, ref handler);
    }
}