436 lines
15 KiB
TypeScript
436 lines
15 KiB
TypeScript
'use strict';
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import * as VSCode from 'vscode';
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import * as Path from 'path';
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import * as FS from 'fs';
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import PortFinder = require('portfinder');
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import * as Net from 'net';
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import * as ChildProcess from 'child_process';
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import * as CommonsCommands from './commands';
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import { TextDocumentIdentifier, RequestType, LanguageClient, LanguageClientOptions, SettingMonitor, ServerOptions, StreamInfo, Position } from 'vscode-languageclient';
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import {
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Disposable,
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window,
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Event,
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EventEmitter,
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ProgressLocation,
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Progress,
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} from 'vscode';
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import { Trace, NotificationType } from 'vscode-jsonrpc';
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import * as P2C from 'vscode-languageclient/lib/protocolConverter';
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import {HighlightService, HighlightParams} from './highlight-service';
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import { log } from 'util';
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import { JVM, findJvm, findJdk } from '@pivotal-tools/jvm-launch-utils';
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import { registerClasspathService } from './classpath';
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import {HighlightCodeLensProvider} from "./code-lens-service";
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import {registerJavaDataService} from "./java-data";
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let p2c = P2C.createConverter();
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PortFinder.basePort = 45556;
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const DEBUG_ARG = '-agentlib:jdwp=transport=dt_socket,server=y,address=8000,suspend=y';
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export interface ActivatorOptions {
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DEBUG: boolean;
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CONNECT_TO_LS?: boolean;
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TRACE?: boolean;
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extensionId: string;
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clientOptions: LanguageClientOptions;
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jvmHeap?: string;
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workspaceOptions: VSCode.WorkspaceConfiguration;
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checkjvm?: (context: VSCode.ExtensionContext, jvm: JVM) => any;
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preferJdk?: boolean;
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highlightCodeLensSettingKey?: string;
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explodedLsJarData?: ExplodedLsJarData;
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}
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export interface ExplodedLsJarData {
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lsLocation: string;
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mainClass: string;
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configFileName?: string;
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}
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type JavaOptions = {
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heap?: string
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home?: string
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vmargs?: string[]
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}
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function getUserDefinedJvmHeap(wsOpts : VSCode.WorkspaceConfiguration, dflt : string) : string {
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if (!wsOpts) {
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return dflt;
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}
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let javaOptions : JavaOptions = wsOpts.get("java");
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return (javaOptions && javaOptions.heap) || dflt;
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}
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function isCheckingJVM(wsOpts : VSCode.WorkspaceConfiguration): boolean {
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if (!wsOpts) {
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return true;
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}
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return wsOpts.get("checkJVM");
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}
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function getUserDefinedJvmArgs(wsOpts : VSCode.WorkspaceConfiguration) : string[] {
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const dflt = [];
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if (!wsOpts) {
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return dflt;
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}
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let javaOptions : JavaOptions = wsOpts.get("java");
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return javaOptions && javaOptions.vmargs || dflt;
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}
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function getUserDefinedJavaHome(wsOpts : VSCode.WorkspaceConfiguration) : string {
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if (!wsOpts) {
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return null;
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}
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let javaOptions : JavaOptions = wsOpts.get("java");
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return javaOptions && javaOptions.home;
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}
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export function activate(options: ActivatorOptions, context: VSCode.ExtensionContext): Thenable<LanguageClient> {
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let DEBUG = options.DEBUG;
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let jvmHeap = getUserDefinedJvmHeap(options.workspaceOptions, options.jvmHeap);
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let jvmArgs = getUserDefinedJvmArgs(options.workspaceOptions);
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if (options.CONNECT_TO_LS) {
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return VSCode.window.showInformationMessage("Start language server")
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.then((x) => connectToLS(context, options));
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} else {
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let clientOptions = options.clientOptions;
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var log_output = VSCode.window.createOutputChannel(options.extensionId + "-debug-log");
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log("Activating '" + options.extensionId + "' extension");
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function log(msg: string) {
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if (log_output) {
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log_output.append(msg + "\n");
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}
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}
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function error(msg: string) {
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if (log_output) {
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log_output.append("ERR: " + msg + "\n");
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}
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}
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let findJRE = options.preferJdk ? findJdk : findJvm;
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return findJRE(getUserDefinedJavaHome(options.workspaceOptions))
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.catch(error => {
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VSCode.window.showErrorMessage("Error trying to find JVM: "+error);
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return Promise.reject(error);
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})
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.then((jvm) => {
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if (!jvm) {
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VSCode.window.showErrorMessage("Couldn't locate java in $JAVA_HOME or $PATH");
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return;
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}
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let javaExecutablePath = jvm.getJavaExecutable();
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log("Found java exe: " + javaExecutablePath);
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let version = jvm.getMajorVersion();
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if (version<8) {
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VSCode.window.showErrorMessage('Java-based Language Server requires Java 8 or higher (using ' + javaExecutablePath + ')');
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return;
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}
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log("isJavaEightOrHigher => true");
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function createServer(): Promise<StreamInfo> {
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return new Promise((resolve, reject) => {
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PortFinder.getPort((err, port) => {
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Net.createServer(socket => {
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log('Child process connected on port ' + port);
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resolve({
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reader: socket,
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writer: socket
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});
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})
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.listen(port, () => {
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let processLaunchoptions = {
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cwd: VSCode.workspace.rootPath
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};
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let logfile : string = options.workspaceOptions.get("logfile") || "/dev/null";
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//The logfile = '/dev/null' is handled specifically by the language server process so it works on all OSs.
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log('Redirecting server logs to ' + logfile);
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const args = [
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'-Dspring.lsp.client-port='+port,
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'-Dserver.port=' + port,
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'-Dsts.lsp.client=vscode',
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'-Dsts.log.file=' + logfile,
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'-XX:TieredStopAtLevel=1'
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];
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if (isCheckingJVM(options.workspaceOptions) && options.checkjvm) {
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options.checkjvm(context, jvm);
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}
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if (jvmHeap && !hasHeapArg(jvmArgs)) {
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args.unshift("-Xmx"+jvmHeap);
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}
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if (jvmArgs) {
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args.unshift(...jvmArgs);
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}
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if (DEBUG) {
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args.unshift(DEBUG_ARG);
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}
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let child: ChildProcess.ChildProcess = null;
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if (options.explodedLsJarData) {
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const explodedLsJarData = options.explodedLsJarData;
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const lsRoot = Path.resolve(context.extensionPath, explodedLsJarData.lsLocation);
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// Add config file if needed
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if (explodedLsJarData.configFileName) {
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args.push(`-Dspring.config.location=file:${Path.resolve(lsRoot, `BOOT-INF/classes/${explodedLsJarData.configFileName}`)}`);
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}
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// Add classpath
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const classpath: string[] = [];
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classpath.push(Path.resolve(lsRoot, 'BOOT-INF/classes'));
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classpath.push(`${Path.resolve(lsRoot, 'BOOT-INF/lib')}${Path.sep}*`);
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child = jvm.mainClassLaunch(explodedLsJarData.mainClass, classpath, args, processLaunchoptions);
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} else {
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// Start the child java process
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const launcher = findServerJar(Path.resolve(context.extensionPath, 'jars'));
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child = jvm.jarLaunch(launcher, args, processLaunchoptions);
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}
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if (child) {
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child.stdout.on('data', (data) => {
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log("" + data);
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});
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child.stderr.on('data', (data) => {
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error("" + data);
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})
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}
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});
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});
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});
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}
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return setupLanguageClient(context, createServer, options);
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});
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}
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}
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function hasHeapArg(vmargs?: string[]) : boolean {
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if (vmargs) {
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return vmargs.some(a => a.startsWith("-Xmx"));
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}
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return false;
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}
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function findServerJar(jarsDir) : string {
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let serverJars = FS.readdirSync(jarsDir).filter(jar =>
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jar.indexOf('language-server')>=0 &&
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jar.endsWith(".jar")
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);
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if (serverJars.length==0) {
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throw new Error("Server jar not found in "+jarsDir);
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}
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if (serverJars.length>1) {
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throw new Error("Multiple server jars found in "+jarsDir);
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}
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return Path.resolve(jarsDir, serverJars[0]);
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}
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function connectToLS(context: VSCode.ExtensionContext, options: ActivatorOptions): Promise<LanguageClient> {
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let connectionInfo = {
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port: 5007
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};
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let serverOptions = () => {
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let socket = Net.connect(connectionInfo);
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let result: StreamInfo = {
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writer: socket,
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reader: socket
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};
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return Promise.resolve(result);
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};
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return setupLanguageClient(context, serverOptions, options);
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}
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function setupLanguageClient(context: VSCode.ExtensionContext, createServer: ServerOptions, options: ActivatorOptions): Promise<LanguageClient> {
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// Create the language client and start the client.
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let client = new LanguageClient(options.extensionId, options.extensionId,
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createServer, options.clientOptions
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);
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client.registerProposedFeatures();
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log("Proposed protocol extensions loaded!");
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if (options.TRACE) {
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client.trace = Trace.Verbose;
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}
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let progressNotification = new NotificationType<ProgressParams,void>("sts/progress");
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let highlightNotification = new NotificationType<HighlightParams,void>("sts/highlight");
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let moveCursorRequest = new RequestType<MoveCursorParams,MoveCursorResponse,void,void>("sts/moveCursor");
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let disposable = client.start();
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const codeLensListanableSetting = options.highlightCodeLensSettingKey ? new ListenablePreferenceSetting<boolean>(options.highlightCodeLensSettingKey) : undefined;
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let progressService = new ProgressService();
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let highlightService = new HighlightService();
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const codelensService = new HighlightCodeLensProvider();
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let codeLensProviderSubscription: Disposable;
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CommonsCommands.registerCommands(context);
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context.subscriptions.push(disposable);
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context.subscriptions.push(progressService);
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context.subscriptions.push(highlightService);
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function toggleHighlightCodeLens() {
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if (!codeLensProviderSubscription && codeLensListanableSetting.value) {
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codeLensProviderSubscription = VSCode.languages.registerCodeLensProvider(options.clientOptions.documentSelector, codelensService);
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context.subscriptions.push(codeLensProviderSubscription);
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} else if (codeLensProviderSubscription) {
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codeLensProviderSubscription.dispose();
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const idx = context.subscriptions.indexOf(codeLensProviderSubscription);
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if (idx >= 0) {
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context.subscriptions.splice(idx, 1);
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}
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codeLensProviderSubscription = null;
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}
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}
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if (codeLensListanableSetting) {
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toggleHighlightCodeLens();
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codeLensListanableSetting.onDidChangeValue(() => toggleHighlightCodeLens())
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}
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return client.onReady().then(() => {
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client.onNotification(progressNotification, (params: ProgressParams) => {
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progressService.handle(params);
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});
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client.onNotification(highlightNotification, (params: HighlightParams) => {
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highlightService.handle(params);
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if (codeLensListanableSetting && codeLensListanableSetting.value) {
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codelensService.handle(params);
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}
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});
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client.onRequest(moveCursorRequest, (params: MoveCursorParams) => {
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let editors = VSCode.window.visibleTextEditors;
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for (let editor of editors) {
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if (editor.document.uri.toString() == params.uri) {
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let cursor = p2c.asPosition(params.position);
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let selection : VSCode.Selection = new VSCode.Selection(cursor, cursor);
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editor.selections = [ selection ];
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}
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}
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return { applied: true};
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});
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registerClasspathService(client);
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registerJavaDataService(client);
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return client;
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});
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}
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function correctBinname(binname: string) {
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if (process.platform === 'win32')
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return binname + '.exe';
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else
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return binname;
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}
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interface MoveCursorParams {
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uri: string
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position: Position
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}
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interface MoveCursorResponse {
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applied: boolean
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}
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interface ProgressParams {
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id: string
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title: string
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statusMsg?: string
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}
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class ProgressHandle {
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constructor(
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private progress: Progress<{ message?: string; increment?: number }>,
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private finish: () => void
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) {}
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updateStatus(message: string, increment: number) {
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this.progress.report({
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message,
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increment
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});
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}
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complete() {
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this.finish();
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}
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}
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class ProgressService {
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private status = new Map<String, ProgressHandle>();
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handle(params: ProgressParams) {
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const progressHandler = this.status.get(params.id);
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if (progressHandler) {
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if(params.statusMsg) {
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progressHandler.updateStatus(params.statusMsg, -1);
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} else {
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progressHandler.complete();
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}
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} else {
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if (params.statusMsg) {
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window.withProgress({
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location: ProgressLocation.Notification,
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title: "",
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cancellable: false
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}, progress => new Promise(resolve => {
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this.status.set(params.id, new ProgressHandle(progress, resolve));
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progress.report({
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message: params.statusMsg,
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increment: -1
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})
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}));
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}
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}
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}
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dispose() {
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if (this.status) {
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for (let handler of this.status.values()) {
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handler.complete();
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}
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}
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this.status = null;
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}
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}
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export interface ListenableSetting<T> {
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value: T;
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onDidChangeValue: VSCode.Event<void>
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}
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export class ListenablePreferenceSetting<T> implements ListenableSetting<T> {
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private _onDidChangeValue = new EventEmitter<void>();
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constructor(private section: string) {
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VSCode.workspace.onDidChangeConfiguration(e => {
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console.log('Settings changed! value = ' + this.value);
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if (e.affectsConfiguration(this.section)) {
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this._onDidChangeValue.fire();
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}
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});
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}
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get value(): T {
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return VSCode.workspace.getConfiguration().get(this.section);
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}
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get onDidChangeValue(): Event<void> {
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return this._onDidChangeValue.event;
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}
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}
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