vscode-java-debug/src/configurationProvider.ts

748 lines
32 KiB
TypeScript

// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT license.
import * as fs from "fs";
import * as _ from "lodash";
import * as os from "os";
import * as path from "path";
import * as vscode from "vscode";
import { instrumentOperation, sendError, sendInfo, setUserError } from "vscode-extension-telemetry-wrapper";
import * as anchor from "./anchor";
import { buildWorkspace } from "./build";
import { populateStepFilters, substituteFilterVariables } from "./classFilter";
import * as commands from "./commands";
import { ClasspathVariable } from "./constants";
import { Type } from "./javaLogger";
import * as lsPlugin from "./languageServerPlugin";
import { addMoreHelpfulVMArgs, getJavaVersion, getShortenApproachForCLI, validateRuntimeCompatibility } from "./launchCommand";
import { mainClassPicker } from "./mainClassPicker";
import { resolveJavaProcess } from "./processPicker";
import { IProgressReporter } from "./progressAPI";
import { progressProvider } from "./progressImpl";
import * as utility from "./utility";
const platformNameMappings: { [key: string]: string } = {
win32: "windows",
linux: "linux",
darwin: "osx",
};
const platformName = platformNameMappings[process.platform];
export class JavaDebugConfigurationProvider implements vscode.DebugConfigurationProvider {
private isUserSettingsDirty: boolean = true;
constructor() {
vscode.workspace.onDidChangeConfiguration((event) => {
if (event.affectsConfiguration("java.debug")) {
if (vscode.debug.activeDebugSession) {
this.isUserSettingsDirty = false;
return updateDebugSettings(event);
} else {
this.isUserSettingsDirty = true;
}
}
return undefined;
});
}
// Returns an initial debug configurations based on contextual information.
public provideDebugConfigurations(folder: vscode.WorkspaceFolder | undefined, token?: vscode.CancellationToken):
vscode.ProviderResult<vscode.DebugConfiguration[]> {
const provideDebugConfigurationsHandler = instrumentOperation("provideDebugConfigurations", (_operationId: string) => {
return <Thenable<vscode.DebugConfiguration[]>>this.provideDebugConfigurationsAsync(folder, token);
});
return provideDebugConfigurationsHandler();
}
// Try to add all missing attributes to the debug configuration being launched.
public resolveDebugConfiguration(_folder: vscode.WorkspaceFolder | undefined,
config: vscode.DebugConfiguration, _token?: vscode.CancellationToken):
vscode.ProviderResult<vscode.DebugConfiguration> {
// If no debug configuration is provided, then generate one in memory.
if (this.isEmptyConfig(config)) {
config.type = "java";
config.name = "Java Debug";
config.request = "launch";
}
return config;
}
// Try to add all missing attributes to the debug configuration being launched.
public resolveDebugConfigurationWithSubstitutedVariables(
folder: vscode.WorkspaceFolder | undefined,
config: vscode.DebugConfiguration,
token?: vscode.CancellationToken): vscode.ProviderResult<vscode.DebugConfiguration> {
const resolveDebugConfigurationHandler = instrumentOperation("resolveDebugConfiguration", (_operationId: string) => {
try {
// See https://github.com/microsoft/vscode-java-debug/issues/778
// Merge the platform specific properties to the global config to simplify the subsequent resolving logic.
this.mergePlatformProperties(config, folder);
return this.resolveAndValidateDebugConfiguration(folder, config, token);
} catch (ex) {
utility.showErrorMessage({
type: Type.EXCEPTION,
message: String((ex && ex.message) || ex),
});
return undefined;
}
});
return resolveDebugConfigurationHandler();
}
private provideDebugConfigurationsAsync(folder: vscode.WorkspaceFolder | undefined, token?: vscode.CancellationToken) {
return new Promise(async (resolve, _reject) => {
const progressReporter = progressProvider.createProgressReporter("Create launch.json", vscode.ProgressLocation.Window);
progressReporter.observe(token);
const defaultLaunchConfig = {
type: "java",
name: "Launch Current File",
request: "launch",
// tslint:disable-next-line
mainClass: "${file}",
};
try {
const isOnStandardMode = await utility.waitForStandardMode(progressReporter);
if (!isOnStandardMode) {
resolve([defaultLaunchConfig]);
return;
}
if (progressReporter.isCancelled()) {
resolve([defaultLaunchConfig]);
return;
}
progressReporter.report("Generating Java configuration...");
const mainClasses = await lsPlugin.resolveMainClass(folder ? folder.uri : undefined);
const cache = {};
const launchConfigs = mainClasses.map((item) => {
return {
...defaultLaunchConfig,
name: this.constructLaunchConfigName(item.mainClass, cache),
mainClass: item.mainClass,
projectName: item.projectName,
};
});
if (progressReporter.isCancelled()) {
resolve([defaultLaunchConfig]);
return;
}
resolve([defaultLaunchConfig, ...launchConfigs]);
} catch (ex) {
if (ex instanceof utility.JavaExtensionNotEnabledError) {
utility.guideToInstallJavaExtension();
} else {
// tslint:disable-next-line
console.error(ex);
}
resolve([defaultLaunchConfig]);
} finally {
progressReporter.done();
}
});
}
private mergePlatformProperties(config: vscode.DebugConfiguration, _folder?: vscode.WorkspaceFolder) {
if (config && platformName && config[platformName]) {
try {
for (const key of Object.keys(config[platformName])) {
config[key] = config[platformName][key];
}
config[platformName] = undefined;
} catch {
// do nothing
}
}
}
private constructLaunchConfigName(mainClass: string, cache: { [key: string]: any }) {
const name = `Launch ${mainClass.substr(mainClass.lastIndexOf(".") + 1)}`;
if (cache[name] === undefined) {
cache[name] = 0;
return name;
} else {
cache[name] += 1;
return `${name}(${cache[name]})`;
}
}
private mergeEnvFile(config: vscode.DebugConfiguration) {
const baseEnv = config.env || {};
let result = baseEnv;
if (config.envFile) {
try {
result = {
...baseEnv,
...readEnvFile(config.envFile),
};
} catch (e) {
throw new utility.UserError({
message: "Cannot load environment file.",
type: Type.USAGEERROR,
});
}
}
config.env = result;
}
private async resolveAndValidateDebugConfiguration(folder: vscode.WorkspaceFolder | undefined, config: vscode.DebugConfiguration,
token?: vscode.CancellationToken) {
let progressReporter = progressProvider.getProgressReporter(config.__progressId);
if (!progressReporter && config.__progressId) {
return undefined;
} else if (!progressReporter) {
progressReporter = progressProvider.createProgressReporter(config.noDebug ? "Run" : "Debug");
}
progressReporter.observe(token);
if (progressReporter.isCancelled()) {
return undefined;
}
try {
const isOnStandardMode = await utility.waitForStandardMode(progressReporter);
if (!isOnStandardMode || progressReporter.isCancelled()) {
return undefined;
}
if (this.isUserSettingsDirty) {
this.isUserSettingsDirty = false;
await updateDebugSettings();
}
// If no debug configuration is provided, then generate one in memory.
if (this.isEmptyConfig(config)) {
config.type = "java";
config.name = "Java Debug";
config.request = "launch";
}
if (config.request === "launch") {
this.mergeEnvFile(config);
// If the user doesn't specify 'vmArgs' in launch.json, use the global setting to get the default vmArgs.
if (config.vmArgs === undefined) {
const debugSettings: vscode.WorkspaceConfiguration = vscode.workspace.getConfiguration("java.debug.settings");
config.vmArgs = debugSettings.vmArgs;
}
// If the user doesn't specify 'console' in launch.json, use the global setting to get the launch console.
if (!config.console) {
const debugSettings: vscode.WorkspaceConfiguration = vscode.workspace.getConfiguration("java.debug.settings");
config.console = debugSettings.console;
}
// If the console is integratedTerminal, don't auto switch the focus to DEBUG CONSOLE.
if (config.console === "integratedTerminal" && !config.internalConsoleOptions) {
config.internalConsoleOptions = "neverOpen";
}
if (needsBuildWorkspace()) {
progressReporter.report("Compiling...");
const proceed = await buildWorkspace(progressReporter);
if (!proceed) {
return undefined;
}
}
if (progressReporter.isCancelled()) {
return undefined;
}
if (!config.mainClass) {
progressReporter.report("Resolving main class...");
} else {
progressReporter.report("Resolving launch configuration...");
}
const mainClassOption = await this.resolveAndValidateMainClass(folder && folder.uri, config, progressReporter);
if (!mainClassOption || !mainClassOption.mainClass) { // Exit silently if the user cancels the prompt fix by ESC.
// Exit the debug session.
return undefined;
}
progressReporter.report("Resolving launch configuration...");
config.mainClass = mainClassOption.mainClass;
config.projectName = mainClassOption.projectName;
if (progressReporter.isCancelled()) {
return undefined;
}
if (_.isEmpty(config.classPaths) && _.isEmpty(config.modulePaths)) {
const result = <any[]>(await lsPlugin.resolveClasspath(config.mainClass, config.projectName));
config.modulePaths = result[0];
config.classPaths = result[1];
} else {
config.modulePaths = await this.resolvePath(folder, config.modulePaths, config.mainClass,
config.projectName, true /*isModulePath*/);
config.classPaths = await this.resolvePath(folder, config.classPaths, config.mainClass,
config.projectName, false /*isModulePath*/);
}
if (_.isEmpty(config.classPaths) && _.isEmpty(config.modulePaths)) {
throw new utility.UserError({
message: "Cannot resolve the modulepaths/classpaths automatically, please specify the value in the launch.json.",
type: Type.USAGEERROR,
});
}
config.javaExec = await lsPlugin.resolveJavaExecutable(config.mainClass, config.projectName);
// Add the default launch options to the config.
config.cwd = config.cwd || _.get(folder, "uri.fsPath");
if (Array.isArray(config.args)) {
config.args = this.concatArgs(config.args);
}
if (Array.isArray(config.vmArgs)) {
config.vmArgs = this.concatArgs(config.vmArgs);
}
if (progressReporter.isCancelled()) {
return undefined;
}
// Populate the class filters to the debug configuration.
await populateStepFilters(config);
const targetJavaVersion: number = await getJavaVersion(config.javaExec);
// Auto add '--enable-preview' vmArgs if the java project enables COMPILER_PB_ENABLE_PREVIEW_FEATURES flag.
if (await lsPlugin.detectPreviewFlag(config.mainClass, config.projectName)) {
config.vmArgs = (config.vmArgs || "") + " --enable-preview";
validateRuntimeCompatibility(targetJavaVersion);
}
// Add more helpful vmArgs.
await addMoreHelpfulVMArgs(config, targetJavaVersion);
if (!config.shortenCommandLine || config.shortenCommandLine === "auto") {
config.shortenCommandLine = await getShortenApproachForCLI(config, targetJavaVersion);
}
if (process.platform === "win32" && config.console !== "internalConsole") {
const launcherScript: string = utility.getLauncherScriptPath();
if (!launcherScript.includes(" ") || !utility.isGitBash(config.console === "integratedTerminal")) {
config.launcherScript = launcherScript;
}
}
} else if (config.request === "attach") {
if (config.hostName && config.port && Number.isInteger(Number(config.port))) {
config.port = Number(config.port);
config.processId = undefined;
// Continue if the hostName and port are configured.
} else if (config.processId !== undefined) {
// tslint:disable-next-line
if (config.processId === "${command:PickJavaProcess}") {
return undefined;
}
const pid: number = Number(config.processId);
if (Number.isNaN(pid)) {
vscode.window.showErrorMessage(`The processId config '${config.processId}' is not a valid process id.`);
return undefined;
}
const javaProcess = await resolveJavaProcess(pid);
if (!javaProcess) {
vscode.window.showErrorMessage(`Attach to process: pid '${config.processId}' is not a debuggable Java process. `
+ `Please make sure the process has turned on debug mode using vmArgs like `
+ `'-agentlib:jdwp=transport=dt_socket,server=y,address=5005.'`);
return undefined;
}
config.processId = undefined;
config.hostName = javaProcess.hostName;
config.port = javaProcess.debugPort;
} else {
throw new utility.UserError({
message: "Please specify the hostName/port directly, or provide the processId of the remote debuggee in the launch.json.",
type: Type.USAGEERROR,
anchor: anchor.ATTACH_CONFIG_ERROR,
});
}
// Populate the class filters to the debug configuration.
await populateStepFilters(config);
} else {
throw new utility.UserError({
message: `Request type "${config.request}" is not supported. Only "launch" and "attach" are supported.`,
type: Type.USAGEERROR,
anchor: anchor.REQUEST_TYPE_NOT_SUPPORTED,
});
}
if (token?.isCancellationRequested || progressReporter.isCancelled()) {
return undefined;
}
delete config.__progressId;
return config;
} catch (ex) {
if (ex instanceof utility.JavaExtensionNotEnabledError) {
utility.guideToInstallJavaExtension();
return undefined;
}
if (ex instanceof utility.UserError) {
utility.showErrorMessageWithTroubleshooting(ex.context);
return undefined;
}
utility.showErrorMessageWithTroubleshooting(utility.convertErrorToMessage(ex));
return undefined;
} finally {
progressReporter.done();
}
}
private async resolvePath(folder: vscode.WorkspaceFolder | undefined, pathArray: string[], mainClass: string,
projectName: string, isModulePath: boolean): Promise<string[]> {
if (_.isEmpty(pathArray)) {
return [];
}
const pathVariables: string[] = [ClasspathVariable.Auto, ClasspathVariable.Runtime, ClasspathVariable.Test];
const containedVariables: string[] = pathArray.filter((cp: string) => pathVariables.includes(cp));
if (_.isEmpty(containedVariables)) {
return this.filterExcluded(folder, pathArray);
}
const scope: string | undefined = this.mergeScope(containedVariables);
const response: any[] = <any[]> await lsPlugin.resolveClasspath(mainClass, projectName, scope);
const resolvedPaths: string[] = isModulePath ? response?.[0] : response?.[1];
if (!resolvedPaths) {
// tslint:disable-next-line:no-console
console.log("The Java Language Server failed to resolve the classpaths/modulepaths");
}
const paths: string[] = [];
let replaced: boolean = false;
for (const p of pathArray) {
if (pathVariables.includes(p)) {
if (!replaced) {
paths.push(...resolvedPaths);
replaced = true;
}
continue;
}
paths.push(p);
}
return this.filterExcluded(folder, paths);
}
private async filterExcluded(folder: vscode.WorkspaceFolder | undefined, paths: string[]): Promise<string[]> {
const result: string[] = [];
const excludes: Map<string, boolean> = new Map<string, boolean>();
for (const p of paths) {
if (p.startsWith("!")) {
let exclude = p.substr(1);
if (!path.isAbsolute(exclude)) {
exclude = path.join(folder?.uri.fsPath || "", exclude);
}
// use Uri to normalize the fs path
excludes.set(vscode.Uri.file(exclude).fsPath, this.isFile(exclude));
continue;
}
result.push(vscode.Uri.file(p).fsPath);
}
return result.filter((r) => {
for (const [excludedPath, isFile] of excludes.entries()) {
if (isFile && r === excludedPath) {
return false;
}
if (!isFile && r.startsWith(excludedPath)) {
return false;
}
}
return true;
});
}
private mergeScope(scopes: string[]): string | undefined {
if (scopes.includes(ClasspathVariable.Test)) {
return "test";
}
if (scopes.includes(ClasspathVariable.Auto)) {
return undefined;
}
if (scopes.includes(ClasspathVariable.Runtime)) {
return "runtime";
}
return undefined;
}
/**
* Converts an array of arguments to a string as the args and vmArgs.
*/
private concatArgs(args: any[]): string {
return _.join(_.map(args, (arg: any): string => {
const str = String(arg);
// if it has quotes or spaces, use double quotes to wrap it
if (/["\s]/.test(str)) {
return "\"" + str.replace(/(["\\])/g, "\\$1") + "\"";
}
return str;
// if it has only single quotes
}), " ");
}
/**
* When VS Code cannot find any available DebugConfiguration, it passes a { noDebug?: boolean } to resolve.
* This function judges whether a DebugConfiguration is empty by filtering out the field "noDebug".
*/
private isEmptyConfig(config: vscode.DebugConfiguration): boolean {
return Object.keys(config).filter((key: string) => key !== "noDebug").length === 0;
}
private async resolveAndValidateMainClass(folder: vscode.Uri | undefined, config: vscode.DebugConfiguration,
progressReporter: IProgressReporter): Promise<lsPlugin.IMainClassOption | undefined> {
if (!config.mainClass || this.isFile(config.mainClass)) {
const currentFile = config.mainClass || _.get(vscode.window.activeTextEditor, "document.uri.fsPath");
if (currentFile) {
const mainEntries = await lsPlugin.resolveMainMethod(vscode.Uri.file(currentFile));
if (progressReporter.isCancelled()) {
return undefined;
} else if (mainEntries.length) {
if (!mainClassPicker.isAutoPicked(mainEntries)) {
progressReporter.hide(true);
}
return mainClassPicker.showQuickPick(mainEntries, "Please select a main class you want to run.");
}
}
const hintMessage = currentFile ?
`The file '${path.basename(currentFile)}' is not executable, please select a main class you want to run.` :
"Please select a main class you want to run.";
return this.promptMainClass(folder, progressReporter, hintMessage);
}
const containsExternalClasspaths = !_.isEmpty(config.classPaths) || !_.isEmpty(config.modulePaths);
const validationResponse = await lsPlugin.validateLaunchConfig(config.mainClass, config.projectName, containsExternalClasspaths, folder);
if (progressReporter.isCancelled()) {
return undefined;
} else if (!validationResponse.mainClass.isValid || !validationResponse.projectName.isValid) {
return this.fixMainClass(folder, config, validationResponse, progressReporter);
}
return {
mainClass: config.mainClass,
projectName: config.projectName,
};
}
private isFile(filePath: string): boolean {
try {
return fs.lstatSync(filePath).isFile();
} catch (error) {
// do nothing
return false;
}
}
private getValidationErrorMessage(error: lsPlugin.IValidationResult): string {
switch (error.kind) {
case lsPlugin.CONFIGERROR_INVALID_CLASS_NAME:
return "ConfigError: mainClass was configured with an invalid class name.";
case lsPlugin.CONFIGERROR_MAIN_CLASS_NOT_EXIST:
return "ConfigError: mainClass does not exist.";
case lsPlugin.CONFIGERROR_MAIN_CLASS_NOT_UNIQUE:
return "ConfigError: mainClass is not unique in the workspace";
case lsPlugin.CONFIGERROR_INVALID_JAVA_PROJECT:
return "ConfigError: could not find a Java project with the configured projectName.";
}
return "ConfigError: Invalid mainClass/projectName configs.";
}
private async fixMainClass(folder: vscode.Uri | undefined, config: vscode.DebugConfiguration,
validationResponse: lsPlugin.ILaunchValidationResponse, progressReporter: IProgressReporter):
Promise<lsPlugin.IMainClassOption | undefined> {
const errors: string[] = [];
if (!validationResponse.mainClass.isValid) {
errors.push(String(validationResponse.mainClass.message));
const errorLog: Error = {
name: "error",
message: this.getValidationErrorMessage(validationResponse.mainClass),
};
setUserError(errorLog);
sendError(errorLog);
}
if (!validationResponse.projectName.isValid) {
errors.push(String(validationResponse.projectName.message));
const errorLog: Error = {
name: "error",
message: this.getValidationErrorMessage(validationResponse.projectName),
};
setUserError(errorLog);
sendError(errorLog);
}
if (validationResponse.proposals && validationResponse.proposals.length) {
progressReporter.hide(true);
const answer = await utility.showErrorMessageWithTroubleshooting({
message: errors.join(os.EOL),
type: Type.USAGEERROR,
anchor: anchor.FAILED_TO_RESOLVE_CLASSPATH,
bypassLog: true, // Avoid logging the raw user input in the logger for privacy.
}, "Fix");
if (answer === "Fix") {
const selectedFix = await mainClassPicker.showQuickPick(validationResponse.proposals,
"Please select main class<project name>.", false);
if (selectedFix) {
sendInfo("", {
fix: "yes",
fixMessage: "Fix the configs of mainClass and projectName",
});
await this.persistMainClassOption(folder, config, selectedFix);
}
return selectedFix;
}
// return undefined if the user clicks "Learn More".
return undefined;
}
throw new utility.UserError({
message: errors.join(os.EOL),
type: Type.USAGEERROR,
anchor: anchor.FAILED_TO_RESOLVE_CLASSPATH,
bypassLog: true, // Avoid logging the raw user input in the logger for privacy.
});
}
private async persistMainClassOption(folder: vscode.Uri | undefined, oldConfig: vscode.DebugConfiguration, change: lsPlugin.IMainClassOption):
Promise<void> {
const newConfig: vscode.DebugConfiguration = _.cloneDeep(oldConfig);
newConfig.mainClass = change.mainClass;
newConfig.projectName = change.projectName;
return this.persistLaunchConfig(folder, oldConfig, newConfig);
}
private async persistLaunchConfig(folder: vscode.Uri | undefined, oldConfig: vscode.DebugConfiguration, newConfig: vscode.DebugConfiguration):
Promise<void> {
const launchConfigurations: vscode.WorkspaceConfiguration = vscode.workspace.getConfiguration("launch", folder);
const rawConfigs: vscode.DebugConfiguration[] = launchConfigurations.configurations;
const targetIndex: number = _.findIndex(rawConfigs, (config) => _.isEqual(config, oldConfig));
if (targetIndex >= 0) {
rawConfigs[targetIndex] = newConfig;
await launchConfigurations.update("configurations", rawConfigs);
}
}
private async promptMainClass(folder: vscode.Uri | undefined, progressReporter: IProgressReporter, hintMessage?: string):
Promise<lsPlugin.IMainClassOption | undefined> {
const res = await lsPlugin.resolveMainClass(folder);
if (progressReporter.isCancelled()) {
return undefined;
} else if (res.length === 0) {
const workspaceFolder = folder ? vscode.workspace.getWorkspaceFolder(folder) : undefined;
throw new utility.UserError({
message: `Cannot find a class with the main method${ workspaceFolder ? " in the folder '" + workspaceFolder.name + "'" : ""}.`,
type: Type.USAGEERROR,
anchor: anchor.CANNOT_FIND_MAIN_CLASS,
});
}
if (!mainClassPicker.isAutoPicked(res)) {
progressReporter.hide(true);
}
return mainClassPicker.showQuickPickWithRecentlyUsed(res, hintMessage || "Select main class<project name>");
}
}
async function updateDebugSettings(event?: vscode.ConfigurationChangeEvent) {
const debugSettingsRoot: vscode.WorkspaceConfiguration = vscode.workspace.getConfiguration("java.debug");
if (!debugSettingsRoot) {
return;
}
const logLevel = convertLogLevel(debugSettingsRoot.logLevel || "");
const javaHome = await utility.getJavaHome();
if (debugSettingsRoot.settings && Object.keys(debugSettingsRoot.settings).length) {
try {
const stepFilters = {
skipClasses: await substituteFilterVariables(debugSettingsRoot.settings.stepping.skipClasses),
skipSynthetics: debugSettingsRoot.settings.skipSynthetics,
skipStaticInitializers: debugSettingsRoot.settings.skipStaticInitializers,
skipConstructors: debugSettingsRoot.settings.skipConstructors,
};
const exceptionFilters = {
skipClasses: await substituteFilterVariables(debugSettingsRoot.settings.exceptionBreakpoint.skipClasses),
};
const settings = await commands.executeJavaLanguageServerCommand(commands.JAVA_UPDATE_DEBUG_SETTINGS, JSON.stringify(
{
...debugSettingsRoot.settings,
logLevel,
javaHome,
stepFilters,
exceptionFilters,
exceptionFiltersUpdated: event && event.affectsConfiguration("java.debug.settings.exceptionBreakpoint.skipClasses"),
limitOfVariablesPerJdwpRequest: Math.max(debugSettingsRoot.settings.jdwp.limitOfVariablesPerJdwpRequest, 1),
jdwpRequestTimeout: Math.max(debugSettingsRoot.settings.jdwp.requestTimeout, 100),
}));
if (logLevel === "FINE") {
// tslint:disable-next-line:no-console
console.log("settings:", settings);
}
} catch (err) {
// log a warning message and continue, since update settings failure should not block debug session
// tslint:disable-next-line:no-console
console.log("Cannot update debug settings.", err);
}
}
}
function needsBuildWorkspace(): boolean {
const debugSettingsRoot: vscode.WorkspaceConfiguration = vscode.workspace.getConfiguration("java.debug.settings");
return debugSettingsRoot ? debugSettingsRoot.forceBuildBeforeLaunch : true;
}
function convertLogLevel(commonLogLevel: string) {
// convert common log level to java log level
switch (commonLogLevel.toLowerCase()) {
case "verbose":
return "FINE";
case "warn":
return "WARNING";
case "error":
return "SEVERE";
case "info":
return "INFO";
default:
return "FINE";
}
}
// from vscode-js-debug https://github.com/microsoft/vscode-js-debug/blob/master/src/targets/node/nodeLauncherBase.ts
function readEnvFile(file: string): { [key: string]: string } {
if (!fs.existsSync(file)) {
return {};
}
const buffer = stripBOM(fs.readFileSync(file, "utf8"));
const env: { [key: string]: string } = {};
for (const line of buffer.split("\n")) {
const r = line.match(/^\s*([\w\.\-]+)\s*=\s*(.*)?\s*$/);
if (!r) {
continue;
}
let value = r[2] || "";
// .env variables never overwrite existing variables (see #21169)
if (value.length > 0 && value.charAt(0) === '"' && value.charAt(value.length - 1) === '"') {
value = value.replace(/\\n/gm, "\n");
}
env[r[1]] = value.replace(/(^['"]|['"]$)/g, "");
}
return env;
}
function stripBOM(s: string): string {
if (s && s[0] === "\uFEFF") {
s = s.substr(1);
}
return s;
}