DefaultValueInstruction.cs

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using System.Diagnostics.CodeAnalysis;
using System.Runtime.CompilerServices;
 
namespace System.Linq.Expressions.Interpreter;
 
internal sealed class DefaultValueInstruction : Instruction
{
    private readonly Type _type;
 
    public override int ProducedStack => 1;
 
    public override string InstructionName => "DefaultValue";
 
    internal DefaultValueInstruction(Type type)
    {
        _type = type;
    }
 
    [UnconditionalSuppressMessage("ReflectionAnalysis", "IL2077:UnrecognizedReflectionPattern", Justification = "_type is a ValueType. You can always get an uninitialized ValueType.")]
    public override int Run(InterpretedFrame frame)
    {
        frame.Push(RuntimeHelpers.GetUninitializedObject(_type));
        return 1;
    }
 
    public override string ToString()
    {
        return "DefaultValue " + _type;
    }
}