fix(lsp): map all LSP methods to server capabilities (#37910)

runtime/lua/vim/lsp/protocol.lua

@@ -1222,12 +1222,30 @@ protocol._provider_to_client_registration = {
 -- stylua: ignore start
 -- Generated by gen_lsp.lua, keep at end of file.
 --- Maps method names to the required server capability
+-- A server capability equal to the method means there is no related server capability
 protocol._request_name_to_server_capability = {
+  ['callHierarchy/incomingCalls'] = { 'callHierarchy/incomingCalls' },
+  ['callHierarchy/outgoingCalls'] = { 'callHierarchy/outgoingCalls' },
+  ['client/registerCapability'] = { 'client/registerCapability' },
+  ['client/unregisterCapability'] = { 'client/unregisterCapability' },
   ['codeAction/resolve'] = { 'codeActionProvider', 'resolveProvider' },
   ['codeLens/resolve'] = { 'codeLensProvider', 'resolveProvider' },
   ['completionItem/resolve'] = { 'completionProvider', 'resolveProvider' },
   ['documentLink/resolve'] = { 'documentLinkProvider', 'resolveProvider' },
+  ['$/cancelRequest'] = { '$/cancelRequest' },
+  ['$/logTrace'] = { '$/logTrace' },
+  ['$/progress'] = { '$/progress' },
+  ['$/setTrace'] = { '$/setTrace' },
+  ['exit'] = { 'exit' },
+  ['initialize'] = { 'initialize' },
+  ['initialized'] = { 'initialized' },
   ['inlayHint/resolve'] = { 'inlayHintProvider', 'resolveProvider' },
+  ['notebookDocument/didChange'] = { 'notebookDocument/didChange' },
+  ['notebookDocument/didClose'] = { 'notebookDocument/didClose' },
+  ['notebookDocument/didOpen'] = { 'notebookDocument/didOpen' },
+  ['notebookDocument/didSave'] = { 'notebookDocument/didSave' },
+  ['shutdown'] = { 'shutdown' },
+  ['telemetry/event'] = { 'telemetry/event' },
   ['textDocument/codeAction'] = { 'codeActionProvider' },
   ['textDocument/codeLens'] = { 'codeLensProvider' },
   ['textDocument/colorPresentation'] = { 'colorProvider' },
@@ -1256,6 +1274,7 @@ protocol._request_name_to_server_capability = {
   ['textDocument/prepareCallHierarchy'] = { 'callHierarchyProvider' },
   ['textDocument/prepareRename'] = { 'renameProvider', 'prepareProvider' },
   ['textDocument/prepareTypeHierarchy'] = { 'typeHierarchyProvider' },
+  ['textDocument/publishDiagnostics'] = { 'textDocument/publishDiagnostics' },
   ['textDocument/rangeFormatting'] = { 'documentRangeFormattingProvider' },
   ['textDocument/rangesFormatting'] = { 'documentRangeFormattingProvider', 'rangesSupport' },
   ['textDocument/references'] = { 'referencesProvider' },
@@ -1268,21 +1287,39 @@ protocol._request_name_to_server_capability = {
   ['textDocument/typeDefinition'] = { 'typeDefinitionProvider' },
   ['textDocument/willSave'] = { 'textDocumentSync', 'willSave' },
   ['textDocument/willSaveWaitUntil'] = { 'textDocumentSync', 'willSaveWaitUntil' },
+  ['typeHierarchy/subtypes'] = { 'typeHierarchy/subtypes' },
+  ['typeHierarchy/supertypes'] = { 'typeHierarchy/supertypes' },
+  ['window/logMessage'] = { 'window/logMessage' },
+  ['window/showDocument'] = { 'window/showDocument' },
+  ['window/showMessage'] = { 'window/showMessage' },
+  ['window/showMessageRequest'] = { 'window/showMessageRequest' },
+  ['window/workDoneProgress/cancel'] = { 'window/workDoneProgress/cancel' },
+  ['window/workDoneProgress/create'] = { 'window/workDoneProgress/create' },
   ['workspaceSymbol/resolve'] = { 'workspaceSymbolProvider', 'resolveProvider' },
+  ['workspace/applyEdit'] = { 'workspace/applyEdit' },
+  ['workspace/codeLens/refresh'] = { 'workspace/codeLens/refresh' },
+  ['workspace/configuration'] = { 'workspace/configuration' },
   ['workspace/diagnostic'] = { 'diagnosticProvider', 'workspaceDiagnostics' },
+  ['workspace/diagnostic/refresh'] = { 'workspace/diagnostic/refresh' },
+  ['workspace/didChangeConfiguration'] = { 'workspace/didChangeConfiguration' },
+  ['workspace/didChangeWatchedFiles'] = { 'workspace/didChangeWatchedFiles' },
   ['workspace/didChangeWorkspaceFolders'] = { 'workspace', 'workspaceFolders', 'changeNotifications' },
   ['workspace/didCreateFiles'] = { 'workspace', 'fileOperations', 'didCreate' },
   ['workspace/didDeleteFiles'] = { 'workspace', 'fileOperations', 'didDelete' },
   ['workspace/didRenameFiles'] = { 'workspace', 'fileOperations', 'didRename' },
   ['workspace/executeCommand'] = { 'executeCommandProvider' },
+  ['workspace/foldingRange/refresh'] = { 'workspace/foldingRange/refresh' },
+  ['workspace/inlayHint/refresh'] = { 'workspace/inlayHint/refresh' },
+  ['workspace/inlineValue/refresh'] = { 'workspace/inlineValue/refresh' },
+  ['workspace/semanticTokens/refresh'] = { 'workspace/semanticTokens/refresh' },
   ['workspace/symbol'] = { 'workspaceSymbolProvider' },
   ['workspace/textDocumentContent'] = { 'workspace', 'textDocumentContent' },
+  ['workspace/textDocumentContent/refresh'] = { 'workspace/textDocumentContent/refresh' },
   ['workspace/willCreateFiles'] = { 'workspace', 'fileOperations', 'willCreate' },
   ['workspace/willDeleteFiles'] = { 'workspace', 'fileOperations', 'willDelete' },
   ['workspace/willRenameFiles'] = { 'workspace', 'fileOperations', 'willRename' },
   ['workspace/workspaceFolders'] = { 'workspace', 'workspaceFolders' },
   ['textDocument/semanticTokens'] = { 'semanticTokensProvider' },
-  ['workspace/didChangeWatchedFiles'] = { 'workspace/didChangeWatchedFiles' },
 }
 -- stylua: ignore end
 

src/gen/gen_lsp.lua

@@ -263,16 +263,15 @@ local function write_to_vim_protocol(protocol)
       '-- stylua: ignore start',
       '-- Generated by gen_lsp.lua, keep at end of file.',
       '--- Maps method names to the required server capability',
+      '-- A server capability equal to the method means there is no related server capability',
       'protocol._request_name_to_server_capability = {',
     })
 
     for _, item in ipairs(all) do
-      if item.serverCapability then
-        output[#output + 1] = ("  ['%s'] = { %s },"):format(
-          item.method,
-          "'" .. item.serverCapability:gsub('%.', "', '") .. "'"
-        )
-      end
+      output[#output + 1] = ("  ['%s'] = { %s },"):format(
+        item.method,
+        "'" .. (item.serverCapability or item.method):gsub('%.', "', '") .. "'"
+      )
     end
 
     ---@type table<string, string[]>
@@ -299,13 +298,6 @@ local function write_to_vim_protocol(protocol)
       )
     end
 
-    --- workspace/didChangeWatchedFiles has no server capability but we need to map it for
-    --- registration
-    output[#output + 1] = ("  ['%s'] = { '%s' },"):format(
-      'workspace/didChangeWatchedFiles',
-      'workspace/didChangeWatchedFiles'
-    )
-
     output[#output + 1] = '}'
     output[#output + 1] = '-- stylua: ignore end'
 

test/functional/plugin/lsp_spec.lua

@@ -5644,6 +5644,9 @@ describe('LSP', function()
               didChangeWatchedFiles = {
                 dynamicRegistration = true,
               },
+              didChangeConfiguration = {
+                dynamicRegistration = true,
+              },
             },
           },
         }))
@@ -5806,10 +5809,24 @@ describe('LSP', function()
         }, { client_id = client_id })
         check('workspace/didChangeWorkspaceFolders')
 
+        check('workspace/didChangeConfiguration')
+        vim.lsp.handlers['client/registerCapability'](nil, {
+          registrations = {
+            {
+              id = 'didChangeConfiguration-id',
+              method = 'workspace/didChangeConfiguration',
+              registerOptions = {
+                section = 'dummy-section',
+              },
+            },
+          },
+        }, { client_id = client_id })
+        check('workspace/didChangeConfiguration', nil, 'section')
+
         return result
       end)
 
-      eq(19, #result)
+      eq(21, #result)
       eq({ method = 'textDocument/formatting', supported = false }, result[1])
       eq({ method = 'textDocument/formatting', supported = true, fname = tmpfile }, result[2])
       eq({ method = 'textDocument/rangeFormatting', supported = true }, result[3])
@@ -5839,6 +5856,11 @@ describe('LSP', function()
       eq({ method = 'codeAction/resolve', supported = true }, result[17])
       eq({ method = 'workspace/didChangeWorkspaceFolders', supported = false }, result[18])
       eq({ method = 'workspace/didChangeWorkspaceFolders', supported = true }, result[19])
+      eq({ method = 'workspace/didChangeConfiguration', supported = false }, result[20])
+      eq(
+        { method = 'workspace/didChangeConfiguration', supported = true, cap = { 'dummy-section' } },
+        result[21]
+      )
     end)
 
     it('identifies client dynamic registration capability', function()