Improve regex to extract LSP request/notification methods

Change-Id: Ib4c0f1819155f1563ba3eeaafdcb3f5661064bf7
Reviewed-on: https://dart-review.googlesource.com/c/85947
Auto-Submit: Danny Tuppeny <[email protected]>
Commit-Queue: Brian Wilkerson <[email protected]>
Reviewed-by: Brian Wilkerson <[email protected]>

Author: DanTup

pkg/analysis_server/lib/lsp_protocol/protocol_generated.dart

@@ -5261,6 +5261,7 @@ class Method {
       case r'client/unregisterCapability':
       case r'workspace/didChangeWatchedFiles':
       case r'workspace/symbol':
+      case r'workspace/executeCommand':
       case r'workspace/applyEdit':
       case r'textDocument/didOpen':
       case r'textDocument/didChange':
@@ -5335,6 +5336,10 @@ class Method {
   /// Constant for the 'workspace/symbol' method.
   static const workspace_symbol = const Method._(r'workspace/symbol');
 
+  /// Constant for the 'workspace/executeCommand' method.
+  static const workspace_executeCommand =
+      const Method._(r'workspace/executeCommand');
+
   /// Constant for the 'workspace/applyEdit' method.
   static const workspace_applyEdit = const Method._(r'workspace/applyEdit');
 

pkg/analysis_server/tool/lsp_spec/markdown.dart

@@ -5,7 +5,7 @@
 final _typeScriptBlockPattern =
     new RegExp(r'\B```typescript([\S\s]*?)\n```', multiLine: true);
 final _methodNamesPattern = new RegExp(
-    r'''_(?:Notification|Request)_:\r?\n\* method: '(.*?)'\r?\n''',
+    r'''_(?:Notification|Request):?_:?\r?\n\* method: '(.*?)'\r?\n''',
     multiLine: true);
 
 /// Extracts fenced code blocks that are explicitly marked as TypeScript from a