LabelScopeInfo.cs

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using System.Diagnostics.CodeAnalysis;
 
namespace System.Linq.Expressions.Interpreter;
 
internal sealed class LabelScopeInfo
{
    private HybridReferenceDictionary<LabelTarget, LabelInfo> _labels;
 
    internal readonly LabelScopeKind Kind;
 
    internal readonly LabelScopeInfo Parent;
 
    internal bool CanJumpInto
    {
        get
        {
            LabelScopeKind kind = Kind;
            if ((uint)kind <= 3u)
            {
                return true;
            }
            return false;
        }
    }
 
    internal LabelScopeInfo(LabelScopeInfo parent, LabelScopeKind kind)
    {
        Parent = parent;
        Kind = kind;
    }
 
    internal bool ContainsTarget(LabelTarget target)
    {
        if (_labels == null)
        {
            return false;
        }
        return _labels.ContainsKey(target);
    }
 
    internal bool TryGetLabelInfo(LabelTarget target, [NotNullWhen(true)] out LabelInfo info)
    {
        if (_labels == null)
        {
            info = null;
            return false;
        }
        return _labels.TryGetValue(target, out info);
    }
 
    internal void AddLabelInfo(LabelTarget target, LabelInfo info)
    {
        if (_labels == null)
        {
            _labels = new HybridReferenceDictionary<LabelTarget, LabelInfo>();
        }
        _labels[target] = info;
    }
}