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import * as vscode from 'vscode';
import * as lc from 'vscode-languageclient';
import * as ra from './lsp_ext';
import * as tasks from './tasks';
import { Ctx } from './ctx';
import { makeDebugConfig } from './debug';
import { Config, RunnableEnvCfg } from './config';
const quickPickButtons = [{ iconPath: new vscode.ThemeIcon("save"), tooltip: "Save as a launch.json configurtation." }];
export async function selectRunnable(ctx: Ctx, prevRunnable?: RunnableQuickPick, debuggeeOnly = false, showButtons: boolean = true): Promise<RunnableQuickPick | undefined> {
const editor = ctx.activeRustEditor;
const client = ctx.client;
if (!editor || !client) return;
const textDocument: lc.TextDocumentIdentifier = {
uri: editor.document.uri.toString(),
};
const runnables = await client.sendRequest(ra.runnables, {
textDocument,
position: client.code2ProtocolConverter.asPosition(
editor.selection.active,
),
});
const items: RunnableQuickPick[] = [];
if (prevRunnable) {
items.push(prevRunnable);
}
for (const r of runnables) {
if (
prevRunnable &&
JSON.stringify(prevRunnable.runnable) === JSON.stringify(r)
) {
continue;
}
if (debuggeeOnly && (r.label.startsWith('doctest') || r.label.startsWith('cargo'))) {
continue;
}
items.push(new RunnableQuickPick(r));
}
if (items.length === 0) {
// it is the debug case, run always has at least 'cargo check ...'
// see crates\rust-analyzer\src\main_loop\handlers.rs, handle_runnables
await vscode.window.showErrorMessage("There's no debug target!");
return;
}
return await new Promise((resolve) => {
const disposables: vscode.Disposable[] = [];
const close = (result?: RunnableQuickPick) => {
resolve(result);
disposables.forEach(d => d.dispose());
};
const quickPick = vscode.window.createQuickPick<RunnableQuickPick>();
quickPick.items = items;
quickPick.title = "Select Runnable";
if (showButtons) {
quickPick.buttons = quickPickButtons;
}
disposables.push(
quickPick.onDidHide(() => close()),
quickPick.onDidAccept(() => close(quickPick.selectedItems[0])),
quickPick.onDidTriggerButton(async (_button) => {
await makeDebugConfig(ctx, quickPick.activeItems[0].runnable);
close();
}),
quickPick.onDidChangeActive((active) => {
if (showButtons && active.length > 0) {
if (active[0].label.startsWith('cargo')) {
// save button makes no sense for `cargo test` or `cargo check`
quickPick.buttons = [];
} else if (quickPick.buttons.length === 0) {
quickPick.buttons = quickPickButtons;
}
}
}),
quickPick
);
quickPick.show();
});
}
export class RunnableQuickPick implements vscode.QuickPickItem {
public label: string;
public description?: string | undefined;
public detail?: string | undefined;
public picked?: boolean | undefined;
constructor(public runnable: ra.Runnable) {
this.label = runnable.label;
}
}
export function prepareEnv(runnable: ra.Runnable, runnableEnvCfg: RunnableEnvCfg): Record<string, string> {
const env: Record<string, string> = { "RUST_BACKTRACE": "short" };
if (runnable.args.expectTest) {
env["UPDATE_EXPECT"] = "1";
}
Object.assign(env, process.env as { [key: string]: string });
if (runnableEnvCfg) {
if (Array.isArray(runnableEnvCfg)) {
for (const it of runnableEnvCfg) {
if (!it.mask || new RegExp(it.mask).test(runnable.label)) {
Object.assign(env, it.env);
}
}
} else {
Object.assign(env, runnableEnvCfg);
}
}
return env;
}
export async function createTask(runnable: ra.Runnable, config: Config): Promise<vscode.Task> {
if (runnable.kind !== "cargo") {
// rust-analyzer supports only one kind, "cargo"
// do not use tasks.TASK_TYPE here, these are completely different meanings.
throw `Unexpected runnable kind: ${runnable.kind}`;
}
const args = createArgs(runnable);
const definition: tasks.CargoTaskDefinition = {
type: tasks.TASK_TYPE,
command: args[0], // run, test, etc...
args: args.slice(1),
cwd: runnable.args.workspaceRoot || ".",
env: prepareEnv(runnable, config.runnableEnv),
overrideCargo: runnable.args.overrideCargo,
};
// eslint-disable-next-line @typescript-eslint/no-unnecessary-type-assertion
const target = vscode.workspace.workspaceFolders![0]; // safe, see main activate()
const cargoTask = await tasks.buildCargoTask(target, definition, runnable.label, args, config.cargoRunner, true);
cargoTask.presentationOptions.clear = true;
// Sadly, this doesn't prevent focus stealing if the terminal is currently
// hidden, and will become revealed due to task exucution.
cargoTask.presentationOptions.focus = false;
return cargoTask;
}
export function createArgs(runnable: ra.Runnable): string[] {
const args = [...runnable.args.cargoArgs]; // should be a copy!
if (runnable.args.cargoExtraArgs) {
args.push(...runnable.args.cargoExtraArgs); // Append user-specified cargo options.
}
if (runnable.args.executableArgs.length > 0) {
args.push('--', ...runnable.args.executableArgs);
}
return args;
}
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