EnterFaultInstruction.cs

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namespace System.Linq.Expressions.Interpreter;
 
internal sealed class EnterFaultInstruction : IndexedBranchInstruction
{
    private static readonly EnterFaultInstruction[] s_cache = new EnterFaultInstruction[32];
 
    public override string InstructionName => "EnterFault";
 
    public override int ProducedStack => 2;
 
    private EnterFaultInstruction(int labelIndex)
        : base(labelIndex)
    {
    }
 
    internal static EnterFaultInstruction Create(int labelIndex)
    {
        if (labelIndex < 32)
        {
            return s_cache[labelIndex] ?? (s_cache[labelIndex] = new EnterFaultInstruction(labelIndex));
        }
        return new EnterFaultInstruction(labelIndex);
    }
 
    public override int Run(InterpretedFrame frame)
    {
        frame.SetStackDepth(GetLabel(frame).StackDepth);
        frame.PushPendingContinuation();
        frame.RemoveContinuation();
        return 1;
    }
}