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Copy pathdebugCodeLensProvider.ts
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133 lines (111 loc) · 5.32 KB
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// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT license.
import * as _ from "lodash";
import * as vscode from "vscode";
import * as commands from "./commands";
import { JAVA_LANGID } from "./constants";
import { logger, Type } from "./logger";
import * as utility from "./utility";
const onDidChange: vscode.EventEmitter<void> = new vscode.EventEmitter<void>();
const JAVA_RUN_COMMAND = "vscode.java.run";
const JAVA_DEBUG_COMMAND = "vscode.java.debug";
export function initializeCodeLensProvider(context: vscode.ExtensionContext): void {
const watcher = vscode.workspace.createFileSystemWatcher("**/*.{[jJ][aA][vV][aA]}");
context.subscriptions.push(watcher);
watcher.onDidChange((uri) => {
onDidChange.fire();
});
context.subscriptions.push(vscode.languages.registerCodeLensProvider(JAVA_LANGID, new DebugCodeLensProvider(onDidChange)));
context.subscriptions.push(vscode.commands.registerCommand(JAVA_RUN_COMMAND, runJavaProgram));
context.subscriptions.push(vscode.commands.registerCommand(JAVA_DEBUG_COMMAND, debugJavaProgram));
}
class DebugCodeLensProvider implements vscode.CodeLensProvider {
constructor(private _onDidChange: vscode.EventEmitter<void>) {
}
get onDidChangeCodeLenses(): vscode.Event<void> {
return this._onDidChange.event;
}
public async provideCodeLenses(document: vscode.TextDocument, token: vscode.CancellationToken): Promise<vscode.CodeLens[]> {
const mainMethods: IMainMethod[] = await resolveMainMethod(document);
return _.flatten(mainMethods.map((method) => {
return [
new vscode.CodeLens(method.range, {
title: "▶ Run",
command: JAVA_RUN_COMMAND,
tooltip: "Run Java Program",
arguments: [ method.mainClass, method.projectName, document.uri ],
}),
new vscode.CodeLens(method.range, {
title: "🐞 Debug",
command: JAVA_DEBUG_COMMAND,
tooltip: "Debug Java Program",
arguments: [ method.mainClass, method.projectName, document.uri ],
}),
];
}));
}
}
function runJavaProgram(mainClass: string, projectName: string, uri: vscode.Uri): Promise<void> {
return runCodeLens(mainClass, projectName, uri, true);
}
function debugJavaProgram(mainClass: string, projectName: string, uri: vscode.Uri): Promise<void> {
return runCodeLens(mainClass, projectName, uri, false);
}
async function runCodeLens(mainClass: string, projectName: string, uri: vscode.Uri, noDebug: boolean): Promise<void> {
const workspaceFolder: vscode.WorkspaceFolder = vscode.workspace.getWorkspaceFolder(uri);
const workspaceUri: vscode.Uri = workspaceFolder ? workspaceFolder.uri : undefined;
const debugConfig: vscode.DebugConfiguration = await constructDebugConfig(mainClass, projectName, workspaceUri);
debugConfig.projectName = projectName;
debugConfig.noDebug = noDebug;
vscode.debug.startDebugging(workspaceFolder, debugConfig);
logger.log(Type.USAGEDATA, {
runCodeLens: "yes",
noDebug: String(noDebug),
});
}
async function constructDebugConfig(mainClass: string, projectName: string, workspace: vscode.Uri): Promise<vscode.DebugConfiguration> {
const launchConfigurations: vscode.WorkspaceConfiguration = vscode.workspace.getConfiguration("launch", workspace);
const rawConfigs: vscode.DebugConfiguration[] = launchConfigurations.configurations;
let debugConfig: vscode.DebugConfiguration = _.find(rawConfigs, (config) => {
return config.mainClass === mainClass && _.toString(config.projectName) === _.toString(projectName);
});
if (!debugConfig) {
debugConfig = _.find(rawConfigs, (config) => {
return config.mainClass === mainClass && !config.projectName;
});
}
if (!debugConfig) {
debugConfig = {
type: "java",
name: `CodeLens (Launch) - ${mainClass.substr(mainClass.lastIndexOf(".") + 1)}`,
request: "launch",
// tslint:disable-next-line
cwd: workspace ? "${workspaceFolder}" : undefined,
console: "internalConsole",
stopOnEntry: false,
mainClass,
args: "",
projectName,
};
// Persist the default debug configuration only if the workspace exists.
if (workspace) {
// Insert the default debug configuration to the beginning of launch.json.
rawConfigs.splice(0, 0, debugConfig);
await launchConfigurations.update("configurations", rawConfigs, vscode.ConfigurationTarget.WorkspaceFolder);
}
}
return _.cloneDeep(debugConfig);
}
async function resolveMainMethod(document: vscode.TextDocument): Promise<IMainMethod[]> {
try {
return <IMainMethod[]> await commands.executeJavaLanguageServerCommand(commands.JAVA_RESOLVE_MAINMETHOD, document.uri.toString());
} catch (ex) {
logger.log(Type.EXCEPTION, utility.formatErrorProperties(ex));
return [];
}
}
interface IMainMethod {
range: vscode.Range;
mainClass: string;
projectName: string;
}