Simulate failure in LSP request.

Author: toinehartman

rascal-lsp/src/main/java/org/rascalmpl/vscode/lsp/parametric/ParametricTextDocumentService.java

@@ -959,6 +959,8 @@ public synchronized void registerLanguage(LanguageParameter lang) {
                 refreshFileState(f);
             }
         }
+
+        throw new RuntimeException("Get some logs!");
     }
 
     /**

rascal-lsp/src/main/java/org/rascalmpl/vscode/lsp/rascal/RascalTextDocumentService.java

@@ -358,6 +358,8 @@ public CompletableFuture<Either3<Range, PrepareRenameResult, PrepareRenameDefaul
     public CompletableFuture<WorkspaceEdit> rename(RenameParams params) {
         logger.debug("textDocument/rename: {} at {} to {}", params.getTextDocument(), params.getPosition(), params.getNewName());
 
+        throw new RuntimeException("Simulate failure in LSP request");
+        /*
         TextDocumentState file = getFile(params.getTextDocument());
         return file.getCurrentTreeAsync(false)
             .thenApply(Versioned::get)
@@ -381,6 +383,7 @@ public CompletableFuture<WorkspaceEdit> rename(RenameParams params) {
                 showMessages((ISet) t.get(1));
                 return DocumentChanges.translateDocumentChanges((IList) t.get(0), getColumnMaps());
             });
+        */
     }
 
     private void showMessages(ISet messages) {