import * as vscode from 'vscode'; import { log } from "./util"; export interface InlayHintOptions { typeHints: boolean; parameterHints: boolean; maxLength: number | null; } export interface CargoWatchOptions { enable: boolean; arguments: string[]; command: string; allTargets: boolean; } export interface CargoFeatures { noDefaultFeatures: boolean; allFeatures: boolean; features: string[]; loadOutDirsFromCheck: boolean; } export type UpdatesChannel = "stable" | "nightly"; export const NIGHTLY_TAG = "nightly"; export class Config { readonly extensionId = "matklad.rust-analyzer"; private readonly rootSection = "rust-analyzer"; private readonly requiresReloadOpts = [ "serverPath", "cargoFeatures", "cargo-watch", "highlighting.semanticTokens", "inlayHints", "updates.channel", ] .map(opt => `${this.rootSection}.${opt}`); readonly packageJsonVersion: string = vscode .extensions .getExtension(this.extensionId)! .packageJSON .version; readonly releaseTag: string | undefined = vscode .extensions .getExtension(this.extensionId)! .packageJSON .releaseTag ?? undefined; private cfg!: vscode.WorkspaceConfiguration; constructor(private readonly ctx: vscode.ExtensionContext) { vscode.workspace.onDidChangeConfiguration(this.onConfigChange, this, ctx.subscriptions); this.refreshConfig(); } private refreshConfig() { this.cfg = vscode.workspace.getConfiguration(this.rootSection); const enableLogging = this.cfg.get("trace.extension") as boolean; log.setEnabled(enableLogging); log.debug( "Extension version:", this.packageJsonVersion, "using configuration:", this.cfg ); } private async onConfigChange(event: vscode.ConfigurationChangeEvent) { this.refreshConfig(); const requiresReloadOpt = this.requiresReloadOpts.find( opt => event.affectsConfiguration(opt) ); if (!requiresReloadOpt) return; const userResponse = await vscode.window.showInformationMessage( `Changing "${requiresReloadOpt}" requires a reload`, "Reload now" ); if (userResponse === "Reload now") { await vscode.commands.executeCommand("workbench.action.reloadWindow"); } } get globalStoragePath(): string { return this.ctx.globalStoragePath; } // We don't do runtime config validation here for simplicity. More on stackoverflow: // https://stackoverflow.com/questions/60135780/what-is-the-best-way-to-type-check-the-configuration-for-vscode-extension get serverPath() { return this.cfg.get("serverPath") as null | string; } get channel() { return this.cfg.get<"stable" | "nightly">("updates.channel")!; } get askBeforeDownload() { return this.cfg.get("updates.askBeforeDownload") as boolean; } get highlightingSemanticTokens() { return this.cfg.get("highlighting.semanticTokens") as boolean; } get highlightingOn() { return this.cfg.get("highlightingOn") as boolean; } get rainbowHighlightingOn() { return this.cfg.get("rainbowHighlightingOn") as boolean; } get lruCapacity() { return this.cfg.get("lruCapacity") as null | number; } get inlayHints(): InlayHintOptions { return { typeHints: this.cfg.get("inlayHints.typeHints") as boolean, parameterHints: this.cfg.get("inlayHints.parameterHints") as boolean, maxLength: this.cfg.get("inlayHints.maxLength") as null | number, }; } get excludeGlobs() { return this.cfg.get("excludeGlobs") as string[]; } get useClientWatching() { return this.cfg.get("useClientWatching") as boolean; } get featureFlags() { return this.cfg.get("featureFlags") as Record; } get rustfmtArgs() { return this.cfg.get("rustfmtArgs") as string[]; } get loadOutDirsFromCheck() { return this.cfg.get("loadOutDirsFromCheck") as boolean; } get cargoWatchOptions(): CargoWatchOptions { return { enable: this.cfg.get("cargo-watch.enable") as boolean, arguments: this.cfg.get("cargo-watch.arguments") as string[], allTargets: this.cfg.get("cargo-watch.allTargets") as boolean, command: this.cfg.get("cargo-watch.command") as string, }; } get cargoFeatures(): CargoFeatures { return { noDefaultFeatures: this.cfg.get("cargoFeatures.noDefaultFeatures") as boolean, allFeatures: this.cfg.get("cargoFeatures.allFeatures") as boolean, features: this.cfg.get("cargoFeatures.features") as string[], loadOutDirsFromCheck: this.cfg.get("cargoFeatures.loadOutDirsFromCheck") as boolean, }; } // for internal use get withSysroot() { return this.cfg.get("withSysroot", true) as boolean; } }