Fix #56773.

src/vs/workbench/services/textMate/browser/abstractTextMateService.ts

@@ -18,7 +18,8 @@ import { generateTokensCSSForColorMap } from 'vs/editor/common/modes/supports/to
 import { IModeService } from 'vs/editor/common/services/modeService';
 import { IFileService } from 'vs/platform/files/common/files';
 import { ILogService } from 'vs/platform/log/common/log';
-import { INotificationService } from 'vs/platform/notification/common/notification';
+import { INotificationService, Severity } from 'vs/platform/notification/common/notification';
+import { IStorageService, StorageScope } from 'vs/platform/storage/common/storage';
 import { ExtensionMessageCollector } from 'vs/workbench/services/extensions/common/extensionsRegistry';
 import { ITMSyntaxExtensionPoint, grammarsExtPoint } from 'vs/workbench/services/textMate/common/TMGrammars';
 import { ITextMateService } from 'vs/workbench/services/textMate/common/textMateService';
@@ -50,7 +51,8 @@ export abstract class AbstractTextMateService extends Disposable implements ITex
 		@IFileService protected readonly _fileService: IFileService,
 		@INotificationService private readonly _notificationService: INotificationService,
 		@ILogService private readonly _logService: ILogService,
-		@IConfigurationService private readonly _configurationService: IConfigurationService
+		@IConfigurationService private readonly _configurationService: IConfigurationService,
+		@IStorageService private readonly _storageService: IStorageService
 	) {
 		super();
 		this._styleElement = dom.createStyleSheet();
@@ -219,7 +221,7 @@ export abstract class AbstractTextMateService extends Disposable implements ITex
 							this._onDidEncounterLanguage.fire(languageId);
 						}
 					});
-					return new TMTokenizationSupport(r.languageId, tokenization, this._notificationService, this._configurationService);
+					return new TMTokenizationSupport(r.languageId, tokenization, this._notificationService, this._configurationService, this._storageService);
 				}, e => {
 					onUnexpectedError(e);
 					return null;
@@ -328,6 +330,8 @@ export abstract class AbstractTextMateService extends Disposable implements ITex
 	protected abstract _loadOnigLib(): Promise<IOnigLib> | undefined;
 }
 
+const donotAskUpdateKey = 'editor.maxTokenizationLineLength.donotask';
+
 class TMTokenizationSupport implements ITokenizationSupport {
 	private readonly _languageId: LanguageId;
 	private readonly _actual: TMTokenization;
@@ -338,11 +342,12 @@ class TMTokenizationSupport implements ITokenizationSupport {
 		languageId: LanguageId,
 		actual: TMTokenization,
 		@INotificationService private readonly _notificationService: INotificationService,
-		@IConfigurationService private readonly _configurationService: IConfigurationService
+		@IConfigurationService private readonly _configurationService: IConfigurationService,
+		@IStorageService private readonly _storageService: IStorageService
 	) {
 		this._languageId = languageId;
 		this._actual = actual;
-		this._tokenizationWarningAlreadyShown = false;
+		this._tokenizationWarningAlreadyShown = !!(this._storageService.getBoolean(donotAskUpdateKey, StorageScope.GLOBAL));
 		this._maxTokenizationLineLength = this._configurationService.getValue<number>('editor.maxTokenizationLineLength');
 		this._configurationService.onDidChangeConfiguration(e => {
 			if (e.affectsConfiguration('editor.maxTokenizationLineLength')) {
@@ -368,7 +373,15 @@ class TMTokenizationSupport implements ITokenizationSupport {
 		if (line.length >= this._maxTokenizationLineLength) {
 			if (!this._tokenizationWarningAlreadyShown) {
 				this._tokenizationWarningAlreadyShown = true;
-				this._notificationService.warn(nls.localize('too many characters', "Tokenization is skipped for long lines for performance reasons. The length of a long line can be configured via `editor.maxTokenizationLineLength`."));
+				this._notificationService.prompt(
+					Severity.Warning,
+					nls.localize('too many characters', "Tokenization is skipped for long lines for performance reasons. The length of a long line can be configured via `editor.maxTokenizationLineLength`."),
+					[{
+						label: nls.localize('neverAgain', "Don't Show Again"),
+						isSecondary: true,
+						run: () => this._storageService.store(donotAskUpdateKey, true, StorageScope.GLOBAL)
+					}]
+				);
 			}
 			console.log(`Line (${line.substr(0, 15)}...): longer than ${this._maxTokenizationLineLength} characters, tokenization skipped.`);
 			return nullTokenize2(this._languageId, line, state, offsetDelta);

src/vs/workbench/services/textMate/browser/textMateService.ts

@@ -14,6 +14,7 @@ import { ILogService } from 'vs/platform/log/common/log';
 import { INotificationService } from 'vs/platform/notification/common/notification';
 import { IWorkbenchThemeService } from 'vs/workbench/services/themes/common/workbenchThemeService';
 import { IConfigurationService } from 'vs/platform/configuration/common/configuration';
+import { IStorageService } from 'vs/platform/storage/common/storage';
 
 export class TextMateService extends AbstractTextMateService {
 
@@ -23,9 +24,10 @@ export class TextMateService extends AbstractTextMateService {
 		@IFileService fileService: IFileService,
 		@INotificationService notificationService: INotificationService,
 		@ILogService logService: ILogService,
-		@IConfigurationService configurationService: IConfigurationService
+		@IConfigurationService configurationService: IConfigurationService,
+		@IStorageService storageService: IStorageService
 	) {
-		super(modeService, themeService, fileService, notificationService, logService, configurationService);
+		super(modeService, themeService, fileService, notificationService, logService, configurationService, storageService);
 	}
 
 	protected _loadVSCodeTextmate(): Promise<typeof import('vscode-textmate')> {

src/vs/workbench/services/textMate/electron-browser/textMateService.ts

@@ -20,6 +20,7 @@ import { TextMateWorker } from 'vs/workbench/services/textMate/electron-browser/
 import { ITextModel } from 'vs/editor/common/model';
 import { Disposable } from 'vs/base/common/lifecycle';
 import { UriComponents, URI } from 'vs/base/common/uri';
+import { IStorageService } from 'vs/platform/storage/common/storage';
 
 const RUN_TEXTMATE_IN_WORKER = false;
 
@@ -110,9 +111,10 @@ export class TextMateService extends AbstractTextMateService {
 		@INotificationService notificationService: INotificationService,
 		@ILogService logService: ILogService,
 		@IConfigurationService configurationService: IConfigurationService,
+		@IStorageService storageService: IStorageService,
 		@IModelService private readonly _modelService: IModelService,
 	) {
-		super(modeService, themeService, fileService, notificationService, logService, configurationService);
+		super(modeService, themeService, fileService, notificationService, logService, configurationService, storageService);
 		this._worker = null;
 		this._workerProxy = null;
 		this._tokenizers = Object.create(null);