Implements GenericDataExtractionProviderFactory. With this, the debug visualizer can be used with every language that can be debugged in VS Code.

extension/src/DataSource/DataExtractionProvider/GenericDataExtractionProviderFactory.ts

@@ -0,0 +1,66 @@
+import {
+	DataResult,
+	DataExtractionResult,
+	ExtractedData,
+	isExtractedData,
+} from "@hediet/debug-visualizer-data-extraction";
+import { VsCodeDebugSession } from "../../VsCodeDebugger";
+import {
+	DataExtractionProviderFactory,
+	DataExtractionProvider,
+	DataExtractionProviderArgs,
+} from "./DataExtractionProvider";
+
+export class GenericDataExtractionProviderFactory
+	implements DataExtractionProviderFactory {
+	createDataExtractionProvider(
+		session: VsCodeDebugSession
+	): DataExtractionProvider | undefined {
+		return new GenericDataExtractionProvider(session);
+	}
+}
+
+class GenericDataExtractionProvider implements DataExtractionProvider {
+	constructor(private readonly session: VsCodeDebugSession) {}
+
+	public async evaluate({
+		expression,
+		preferredExtractor,
+		frameId,
+	}: DataExtractionProviderArgs): Promise<
+		| { kind: "data"; result: DataExtractionResult }
+		| { kind: "error"; message: string }
+	> {
+		try {
+			const reply = await this.session.evaluate({
+				expression,
+				frameId,
+			});
+			const resultStr = reply.result;
+			const jsonData = resultStr.substr(1, resultStr.length - 2);
+			const result = JSON.parse(jsonData) as ExtractedData;
+
+			if (!isExtractedData(result)) {
+				throw new Error("Invalid Data");
+			}
+
+			return {
+				kind: "data",
+				result: {
+					availableExtractors: [],
+					usedExtractor: {
+						id: "generic" as any,
+						name: "Generic",
+						priority: 1,
+					},
+					data: result,
+				},
+			};
+		} catch (error) {
+			return {
+				kind: "error",
+				message: error.message,
+			};
+		}
+	}
+}