RuntimeVariablesInstruction.cs

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using System.Runtime.CompilerServices;
 
namespace System.Linq.Expressions.Interpreter;
 
internal sealed class RuntimeVariablesInstruction : Instruction
{
    private readonly int _count;
 
    public override int ProducedStack => 1;
 
    public override int ConsumedStack => _count;
 
    public override string InstructionName => "GetRuntimeVariables";
 
    public RuntimeVariablesInstruction(int count)
    {
        _count = count;
    }
 
    public override int Run(InterpretedFrame frame)
    {
        IStrongBox[] array = new IStrongBox[_count];
        for (int num = array.Length - 1; num >= 0; num--)
        {
            array[num] = (IStrongBox)frame.Pop();
        }
        frame.Push(RuntimeVariables.Create(array));
        return 1;
    }
}