add SymbolInformation.tags, render deprecated items in quick outline and workspace symbol search

src/vs/workbench/api/common/extHostLanguageFeatures.ts

@@ -70,8 +70,8 @@ class DocumentSymbolAdapter {
 			const element = <modes.DocumentSymbol>{
 				name: info.name || '!!MISSING: name!!',
 				kind: typeConvert.SymbolKind.from(info.kind),
-				tags: [],
-				detail: undefined!, // Strict null override — avoid changing behavior
+				tags: info.tags && info.tags.map(typeConvert.SymbolTag.from),
+				detail: '',
 				containerName: info.containerName,
 				range: typeConvert.Range.from(info.location.range),
 				selectionRange: typeConvert.Range.from(info.location.range),

src/vs/workbench/api/common/extHostTypeConverters.ts

@@ -576,17 +576,20 @@ export namespace WorkspaceSymbol {
 		return <search.IWorkspaceSymbol>{
 			name: info.name,
 			kind: SymbolKind.from(info.kind),
+			tags: info.tags && info.tags.map(SymbolTag.from),
 			containerName: info.containerName,
 			location: location.from(info.location)
 		};
 	}
 	export function to(info: search.IWorkspaceSymbol): types.SymbolInformation {
-		return new types.SymbolInformation(
+		const result = new types.SymbolInformation(
 			info.name,
 			SymbolKind.to(info.kind),
 			info.containerName,
 			location.to(info.location)
 		);
+		result.tags = info.tags && info.tags.map(SymbolTag.to);
+		return result;
 	}
 }
 

src/vs/workbench/api/common/extHostTypes.ts

@@ -995,6 +995,7 @@ export class SymbolInformation {
 	name: string;
 	location!: Location;
 	kind: SymbolKind;
+	tags?: SymbolTag[];
 	containerName: string | undefined;
 
 	constructor(name: string, kind: SymbolKind, containerName: string | undefined, location: Location);