LoadCachedObjectInstruction.cs

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using System.Collections.Generic;
using System.Globalization;
using System.Runtime.CompilerServices;
 
namespace System.Linq.Expressions.Interpreter;
 
internal sealed class LoadCachedObjectInstruction : Instruction
{
    private readonly uint _index;
 
    public override int ProducedStack => 1;
 
    public override string InstructionName => "LoadCachedObject";
 
    internal LoadCachedObjectInstruction(uint index)
    {
        _index = index;
    }
 
    public override int Run(InterpretedFrame frame)
    {
        frame.Data[frame.StackIndex++] = frame.Interpreter._objects[_index];
        return 1;
    }
 
    public override string ToDebugString(int instructionIndex, object cookie, Func<int, int> labelIndexer, IReadOnlyList<object> objects)
    {
        IFormatProvider invariantCulture = CultureInfo.InvariantCulture;
        DefaultInterpolatedStringHandler handler = new DefaultInterpolatedStringHandler(14, 2, invariantCulture);
        handler.AppendLiteral("LoadCached(");
        handler.AppendFormatted(_index);
        handler.AppendLiteral(": ");
        handler.AppendFormatted<object>(objects[(int)_index]);
        handler.AppendLiteral(")");
        return string.Create(invariantCulture, ref handler);
    }
 
    public override string ToString()
    {
        return "LoadCached(" + _index + ")";
    }
}