Shaolinq.AsyncRewriter.CompilationLookup.GetExtensionMethods C# (CSharp) Method

		public List<IMethodSymbol> GetExtensionMethods(string name, ITypeSymbol type)
		{
			List<IMethodSymbol> methods;

			if (type == null)
			{
				throw new ArgumentNullException(nameof(type));
			}

			if (!extensionMethodsByName.TryGetValue(name, out methods))
			{
				return new List<IMethodSymbol>();
			}

			var retval = new List<KeyValuePair<IMethodSymbol, int>>();

			foreach (var method in methods)
			{
				var depth = method.Parameters[0].Type?.IsAssignableFrom(type, 0);

				if (depth > -1)
				{
					retval.Add(new KeyValuePair<IMethodSymbol, int>(method, depth.Value));
				}
			}

			return retval.OrderBy(c => c.Key.ContainingAssembly.Equals(this.compilation.Assembly) ? 0 : c.Value + 1).Select(c => c.Key).ToList();
		}