nadekobot/src/NadekoBot.Generators/Cloneable/SyntaxReceiver.cs

// Code temporarily yeeted from
// https://github.com/mostmand/Cloneable/blob/master/Cloneable/CloneableGenerator.cs
// because of NRT issue

using Microsoft.CodeAnalysis;
using Microsoft.CodeAnalysis.CSharp.Syntax;

namespace Cloneable
{
    internal class SyntaxReceiver : ISyntaxReceiver
    {
        public IList<ClassDeclarationSyntax> CandidateClasses { get; } = new List<ClassDeclarationSyntax>();

        /// <summary>
        /// Called for every syntax node in the compilation, we can inspect the nodes and save any information useful for generation
        /// </summary>
        public void OnVisitSyntaxNode(SyntaxNode syntaxNode)
        {
            // any field with at least one attribute is a candidate for being cloneable
            if (syntaxNode is ClassDeclarationSyntax classDeclarationSyntax &&
                classDeclarationSyntax.AttributeLists.Count > 0)
            {
                CandidateClasses.Add(classDeclarationSyntax);
            }
        }
    }
}