small logging update for textdocumentmatcher

Author: david-driscoll

src/Server/Matchers/TextDocumentMatcher.cs

@@ -25,7 +25,7 @@ public IEnumerable<ILspHandlerDescriptor> FindHandler(object parameters, IEnumer
             {
                 case ITextDocumentIdentifierParams textDocumentIdentifierParams:
                     {
-                        var attributes = GetTextDocumentAttributes(descriptors, textDocumentIdentifierParams.TextDocument.Uri);
+                        var attributes = GetTextDocumentAttributes(textDocumentIdentifierParams.TextDocument.Uri);
 
                         _logger.LogTrace("Found attributes {Count}, {Attributes}", attributes.Count, attributes.Select(x => $"{x.LanguageId}:{x.Scheme}:{x.Uri}"));
 
@@ -42,7 +42,7 @@ public IEnumerable<ILspHandlerDescriptor> FindHandler(object parameters, IEnumer
                 case DidChangeTextDocumentParams didChangeDocumentParams:
                     {
                         // TODO: Do something with document version here?
-                        var attributes = GetTextDocumentAttributes(descriptors, didChangeDocumentParams.TextDocument.Uri);
+                        var attributes = GetTextDocumentAttributes(didChangeDocumentParams.TextDocument.Uri);
 
                         _logger.LogTrace("Found attributes {Count}, {Attributes}", attributes.Count, attributes.Select(x => $"{x.LanguageId}:{x.Scheme}:{x.Uri}"));
 
@@ -53,7 +53,7 @@ public IEnumerable<ILspHandlerDescriptor> FindHandler(object parameters, IEnumer
             return Enumerable.Empty<ILspHandlerDescriptor>();
         }
 
-        private List<TextDocumentAttributes> GetTextDocumentAttributes(IEnumerable<ILspHandlerDescriptor> method, Uri uri)
+        private List<TextDocumentAttributes> GetTextDocumentAttributes(Uri uri)
         {
             return _getSyncHandlers()
                 .Select(x => x.GetTextDocumentAttributes(uri))
@@ -62,16 +62,17 @@ private List<TextDocumentAttributes> GetTextDocumentAttributes(IEnumerable<ILspH
                 .ToList();
         }
 
-        private IEnumerable<ILspHandlerDescriptor> GetHandler(IEnumerable<ILspHandlerDescriptor> method, IEnumerable<TextDocumentAttributes> attributes)
+        private IEnumerable<ILspHandlerDescriptor> GetHandler(IEnumerable<ILspHandlerDescriptor> descriptors, IEnumerable<TextDocumentAttributes> attributes)
         {
             return attributes
-                .SelectMany(x => GetHandler(method, x));
+                .SelectMany(x => GetHandler(descriptors, x));
         }
 
-        private IEnumerable<ILspHandlerDescriptor> GetHandler(IEnumerable<ILspHandlerDescriptor> method, TextDocumentAttributes attributes)
+        private IEnumerable<ILspHandlerDescriptor> GetHandler(IEnumerable<ILspHandlerDescriptor> descriptors, TextDocumentAttributes attributes)
         {
-            _logger.LogTrace("Looking for handler for method {Method}", method);
-            foreach (var handler in method)
+            var method = descriptors.FirstOrDefault()?.Method;
+            _logger.LogTrace("Looking for handler for descriptors {Method}", method);
+            foreach (var handler in descriptors)
             {
                 _logger.LogTrace("Checking handler {Method}:{Handler}", method, handler.Handler.GetType().FullName);
                 var registrationOptions = handler.Registration.RegisterOptions as ITextDocumentRegistrationOptions;