resolve comment variables against language at position,...

resolve comment variables against language at position, https://github.com/microsoft/vscode/issues/102403

src/vs/editor/contrib/snippet/snippetSession.ts

@@ -450,7 +450,7 @@ export class SnippetSession {
 				modelBasedVariableResolver,
 				new ClipboardBasedVariableResolver(readClipboardText, idx, indexedSelections.length, editor.getOption(EditorOption.multiCursorPaste) === 'spread'),
 				new SelectionBasedVariableResolver(model, selection),
-				new CommentBasedVariableResolver(model),
+				new CommentBasedVariableResolver(model, selection),
 				new TimeBasedVariableResolver,
 				new WorkspaceBasedVariableResolver(workspaceService),
 				new RandomBasedVariableResolver,

src/vs/editor/contrib/snippet/snippetVariables.ts

@@ -208,14 +208,15 @@ export class ClipboardBasedVariableResolver implements VariableResolver {
 }
 export class CommentBasedVariableResolver implements VariableResolver {
 	constructor(
-		private readonly _model: ITextModel
+		private readonly _model: ITextModel,
+		private readonly _selection: Selection
 	) {
 		//
 	}
 	resolve(variable: Variable): string | undefined {
 		const { name } = variable;
-		const language = this._model.getLanguageIdentifier();
-		const config = LanguageConfigurationRegistry.getComments(language.id);
+		const langId = this._model.getLanguageIdAtPosition(this._selection.selectionStartLineNumber, this._selection.selectionStartColumn);
+		const config = LanguageConfigurationRegistry.getComments(langId);
 		if (!config) {
 			return undefined;
 		}