GitVita
New repositoryImport repositoryNew issue
Your repositories Your dashboard Sign in

microsoft/vscode-react-native

Public

mirrored fromhttps://github.com/microsoft/vscode-react-nativeAvailable

Watch0Fork0Star0
CodeCommitsIssuesPull requestsActionsInsightsSecurity
2d2a33644976c159bb50bad9df3cb949f150a8ec

Branches

Tags

  • No tags available.
0Branches0Tags
Go to file
Add file
Code

Clone

HTTPS

Download ZIP

vscode-react-native/src/debugger

src/debugger/nodeDebugWrapper.ts

142lines · modecode

RawDownload
Refactoring some telemetry functions642490c
1// 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";
6import * as http from "http";
7
8import {Telemetry} from "../common/telemetry";
9import {TelemetryHelper} from "../common/telemetryHelper";
10
11// These typings do not reflect the typings as intended to be used
12// but rather as they exist in truth, so we can reach into the internals
13// and access what we need.
14declare module VSCodeDebugAdapter {
15 class DebugSession {
16 public static run: Function;
17 public sendEvent(event: VSCodeDebugAdapter.InitializedEvent): void;
18 public start(input: any, output: any): void;
19 public launchRequest(response: any, args: any): void;
20 }
21 class InitializedEvent {
22 constructor();
23 }
24 class OutputEvent {
25 constructor(message: string, destination?: string);
26 }
27 class TerminatedEvent {
28 constructor();
29 }
30}
31
32declare class SourceMaps {
33 public _sourceToGeneratedMaps: {};
34 public _generatedToSourceMaps: {};
35 public _allSourceMaps: {};
36}
37
38declare class NodeDebugSession extends VSCodeDebugAdapter.DebugSession {
39 public _sourceMaps: SourceMaps;
40}
41
42interface ILaunchArgs {
43 platform: string;
44 target?: string;
45 internalDebuggerPort?: any;
46 args: string[];
47}
48
49let version = JSON.parse(fs.readFileSync(path.join(__dirname, "..", "..", "package.json"), "utf-8")).version;
50
51function bailOut(reason: string): void {
52 // Things have gone wrong in initialization: Report the error to telemetry and exit
53 TelemetryHelper.sendSimpleEvent(reason);
54 Telemetry.sendPendingData().finally(() => {
55 process.exit(1);
56 });
57}
58
59// Enable telemetry
60Telemetry.init("react-native-debug-adapter", version, true).then(() => {
61 let nodeDebugFolder: string;
62 let vscodeDebugAdapterPackage: typeof VSCodeDebugAdapter;
63
64 /* tslint:disable:no-var-requires */
65
66 // nodeDebugLocation.json is dynamically generated on extension activation.
67 // If it fails, we must not have been in a react native project
68 try {
69 nodeDebugFolder = require("./nodeDebugLocation.json").nodeDebugPath;
70 vscodeDebugAdapterPackage = require(path.join(nodeDebugFolder, "node_modules", "vscode-debugadapter"));
71 } catch (e) {
72 // Nothing we can do here: can't even communicate back because we don't know how to speak debug adapter
73 return bailOut("cannotFindDebugAdapter");
74 }
75
76 // Temporarily dummy out the DebugSession.run function so we do not start the debug adapter until we are ready
77 const originalDebugSessionRun = vscodeDebugAdapterPackage.DebugSession.run;
78 vscodeDebugAdapterPackage.DebugSession.run = function() { };
79
80 let nodeDebug: { NodeDebugSession: typeof NodeDebugSession };
81
82 try {
83 nodeDebug = require(path.join(nodeDebugFolder, "out", "node", "nodeDebug"));
84 } catch (e) {
85 // Unable to find nodeDebug, but we can make our own communication channel now
86 const debugSession = new vscodeDebugAdapterPackage.DebugSession();
87 // Note: this will not work in the context of debugging the debug adapter and communicating over a socket,
88 // but in that case we have much better ways to investigate errors.
89 debugSession.start(process.stdin, process.stdout);
90 debugSession.sendEvent(new vscodeDebugAdapterPackage.OutputEvent("Unable to start debug adapter: " + e.toString(), "stderr"));
91 debugSession.sendEvent(new vscodeDebugAdapterPackage.TerminatedEvent());
92
93 return bailOut("cannotFindNodeDebugAdapter");
94 }
95
96 /* tslint:enable:no-var-requires */
97
98 vscodeDebugAdapterPackage.DebugSession.run = originalDebugSessionRun;
99
100 // Intecept the "launchRequest" instance method of NodeDebugSession to interpret arguments
101 const originalNodeDebugSessionLaunchRequest = nodeDebug.NodeDebugSession.prototype.launchRequest;
102 nodeDebug.NodeDebugSession.prototype.launchRequest = function(request: any, args: ILaunchArgs) {
103 // Create a server waiting for messages to re-initialize the debug session;
104 const reinitializeServer = http.createServer((req, res) => {
105 res.statusCode = 404;
106 if (req.url === "/refreshBreakpoints") {
107 res.statusCode = 200;
108 if (this) {
109 const sourceMaps = this._sourceMaps;
110 if (sourceMaps) {
111 // Flush any cached source maps
112 sourceMaps._allSourceMaps = {};
113 sourceMaps._generatedToSourceMaps = {};
114 sourceMaps._sourceToGeneratedMaps = {};
115 }
116 // Send an "initialized" event to trigger breakpoints to be re-sent
117 this.sendEvent(new vscodeDebugAdapterPackage.InitializedEvent());
118 }
119 }
120 res.end();
121 });
122 const debugServerListeningPort = parseInt(args.internalDebuggerPort, 10) || 9090;
123
124 reinitializeServer.listen(debugServerListeningPort);
125 reinitializeServer.on("error", (err: Error) => {
126 TelemetryHelper.sendSimpleEvent("reinitializeServerError");
127 this.sendEvent(new vscodeDebugAdapterPackage.OutputEvent("Error in debug adapter server: " + err.toString(), "stderr"));
128 this.sendEvent(new vscodeDebugAdapterPackage.OutputEvent("Breakpoints may not update. Consider restarting and specifying a different 'internalDebuggerPort' in launch.json"));
129 });
130
131 // We do not permit arbitrary args to be passed to our process
132 args.args = [
133 args.platform,
134 debugServerListeningPort.toString(),
135 args.target || "simulator"
136 ];
137
138 originalNodeDebugSessionLaunchRequest.call(this, request, args);
139 };
140
141 vscodeDebugAdapterPackage.DebugSession.run(nodeDebug.NodeDebugSession);
142});