SharpDevelop/ICSharpCode.NRefactory.ConsistencyCheck/IDStringConsistencyCheck.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using ICSharpCode.NRefactory.Documentation;
using ICSharpCode.NRefactory.TypeSystem;
using ICSharpCode.NRefactory.TypeSystem.Implementation;

namespace ICSharpCode.NRefactory.ConsistencyCheck
{
	public class IDStringConsistencyCheck
	{
		public static void Run(Solution solution)
		{
			foreach (var project in solution.Projects) {
				var compilation = project.Compilation;
				HashSet<string> idStrings = new HashSet<string>();
				var context = compilation.TypeResolveContext;
				foreach (var typeDef in compilation.MainAssembly.GetAllTypeDefinitions()) {
					Check(typeDef, context, idStrings);
					foreach (var member in typeDef.Members) {
						Check(member, context, idStrings);
					}
				}
			}
		}
		
		static void Check(IEntity entity, ITypeResolveContext context, HashSet<string> idStrings)
		{
			string id = IdStringProvider.GetIdString(entity);
			if (!idStrings.Add(id))
				throw new InvalidOperationException("Duplicate ID string " + id);
			IEntity resolvedEntity = IdStringProvider.FindEntity(id, context);
			if (resolvedEntity != entity)
				throw new InvalidOperationException(id);
		}
	}
}