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vscode-react-native/src/debugger

src/debugger/reactNativeDebugEntryPoint.ts

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40e4b177Patricio Beltran10 years ago1// Copyright (c) Microsoft Corporation. All rights reserved.
2// Licensed under the MIT license. See LICENSE file in the project root for details.
3
4import * as fs from "fs";
5import * as path from "path";
b8999098Dmitry Zinovyev9 years ago6import { TelemetryHelper } from "../common/telemetryHelper";
7import { EntryPointHandler, ProcessType } from "../common/entryPointHandler";
8import { ErrorHelper } from "../common/error/errorHelper";
9import { InternalErrorCode } from "../common/error/internalErrorCode";
10import { NullTelemetryReporter, ReassignableTelemetryReporter } from "../common/telemetryReporters";
e45838cbVladimir Kotikov9 years ago11import { makeAdapter, makeSession } from "./nodeDebugWrapper";
0a68f8dbArtem Egorov8 years ago12import { ChromeDebugSession, ChromeDebugAdapter } from "vscode-chrome-debug-core";
13import { DebugSession, OutputEvent, TerminatedEvent } from "vscode-debugadapter";
d124bf0eYuri Skorokhodov7 years ago14import * as nls from "vscode-nls";
15const localize = nls.loadMessageBundle();
40e4b177Patricio Beltran10 years ago16
23b5fa80Yuri Skorokhodov6 years ago17const projectRoot = path.join(__dirname, "..", "..");
18const version = JSON.parse(fs.readFileSync(path.join(projectRoot, "package.json"), "utf-8")).version;
19const extensionName = "react-native-tools";
20const telemetryReporter = new ReassignableTelemetryReporter(new NullTelemetryReporter());
21
40e4b177Patricio Beltran10 years ago22function bailOut(reason: string): void {
23// Things have gone wrong in initialization: Report the error to telemetry and exit
24TelemetryHelper.sendSimpleEvent(reason);
25process.exit(1);
26}
27
b8999098Dmitry Zinovyev9 years ago28function codeToRun() {
29/**
30* For debugging React Native we basically want to debug node plus some other stuff.
31* There is no need to create a new adapter for node because ther already exists one.
32* We look for node debug adapter on client's computer so we can jump of on top of that.
33*/
34let nodeDebugFolder: string;
0a68f8dbArtem Egorov8 years ago35let Node2DebugAdapter: typeof ChromeDebugAdapter;
40e4b177Patricio Beltran10 years ago36
b8999098Dmitry Zinovyev9 years ago37// nodeDebugLocation.json is dynamically generated on extension activation.
38// If it fails, we must not have been in a react native project
39try {
40/* tslint:disable:no-var-requires */
41nodeDebugFolder = require("./nodeDebugLocation.json").nodeDebugPath;
42Node2DebugAdapter = require(path.join(nodeDebugFolder, "out/src/nodeDebugAdapter")).NodeDebugAdapter;
43/* tslint:enable:no-var-requires */
40e4b177Patricio Beltran10 years ago44
5c8365a6Artem Egorov8 years ago45/**
46* We did find chrome debugger package and node2 debug adapter. Lets create debug
47* session and adapter with our customizations.
48*/
0a68f8dbArtem Egorov8 years ago49let session: typeof ChromeDebugSession;
50let adapter: typeof ChromeDebugAdapter;
40e4b177Patricio Beltran10 years ago51
5c8365a6Artem Egorov8 years ago52try {
53/* Create customised react-native debug adapter based on Node-debug2 adapter */
54adapter = makeAdapter(Node2DebugAdapter);
55// Create a debug session class based on ChromeDebugSession
0a68f8dbArtem Egorov8 years ago56session = makeSession(ChromeDebugSession,
57{ adapter, extensionName }, telemetryReporter, extensionName, version);
5c8365a6Artem Egorov8 years ago58
59// Run the debug session for the node debug adapter with our modified requests
0a68f8dbArtem Egorov8 years ago60ChromeDebugSession.run(session);
5c8365a6Artem Egorov8 years ago61} catch (e) {
0a68f8dbArtem Egorov8 years ago62const debugSession = new DebugSession();
5c8365a6Artem Egorov8 years ago63// Start session before sending any events otherwise the client wouldn't receive them
64debugSession.start(process.stdin, process.stdout);
d124bf0eYuri Skorokhodov7 years ago65debugSession.sendEvent(new OutputEvent(localize("UnableToStartDebugAdapter", "Unable to start debug adapter: {0}", e.toString()), "stderr"));
0a68f8dbArtem Egorov8 years ago66debugSession.sendEvent(new TerminatedEvent());
5c8365a6Artem Egorov8 years ago67bailOut(e.toString());
68}
b8999098Dmitry Zinovyev9 years ago69} catch (e) {
5c8365a6Artem Egorov8 years ago70// Nothing we can do here: can't even communicate back because we don't know how to speak debug adapter
71bailOut("cannotFindDebugAdapter");
b8999098Dmitry Zinovyev9 years ago72}
40e4b177Patricio Beltran10 years ago73
b8999098Dmitry Zinovyev9 years ago74}
40e4b177Patricio Beltran10 years ago75
b8999098Dmitry Zinovyev9 years ago76// Enable telemetry
77const entryPointHandler = new EntryPointHandler(ProcessType.Debugger);
78entryPointHandler.runApp(
c9c3d133Artem Egorov8 years ago79extensionName,
2e432a9eArtem Egorov8 years ago80version,
b8999098Dmitry Zinovyev9 years ago81ErrorHelper.getInternalError(InternalErrorCode.DebuggingFailed),
82telemetryReporter,
83codeToRun
84);
e45838cbVladimir Kotikov9 years ago85