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import * as vscode from 'vscode';
import * as lc from 'vscode-languageclient';
import * as ra from './lsp_ext';
import { Ctx, Cmd } from './ctx';
import { startDebugSession, getDebugConfiguration } from './debug';
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
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((_button) => {
(async () => await makeDebugConfig(ctx, quickPick.activeItems[0]))();
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 function runSingle(ctx: Ctx): Cmd {
return async (runnable: ra.Runnable) => {
const editor = ctx.activeRustEditor;
if (!editor) return;
const task = createTask(runnable);
task.group = vscode.TaskGroup.Build;
task.presentationOptions = {
reveal: vscode.TaskRevealKind.Always,
panel: vscode.TaskPanelKind.Dedicated,
clear: true,
};
return vscode.tasks.executeTask(task);
};
}
export function debug(ctx: Ctx): Cmd {
let prevDebuggee: RunnableQuickPick | undefined;
return async () => {
const item = await selectRunnable(ctx, prevDebuggee, true);
if (!item) return;
item.detail = 'restart';
prevDebuggee = item;
return await startDebugSession(ctx, item.runnable);
};
}
export function debugSingle(ctx: Ctx): Cmd {
return async (config: ra.Runnable) => {
await startDebugSession(ctx, config);
};
}
async function makeDebugConfig(ctx: Ctx, item: RunnableQuickPick): Promise<void> {
const scope = ctx.activeRustEditor?.document.uri;
if (!scope) return;
const debugConfig = await getDebugConfiguration(ctx, item.runnable);
if (!debugConfig) return;
const wsLaunchSection = vscode.workspace.getConfiguration("launch", scope);
const configurations = wsLaunchSection.get<any[]>("configurations") || [];
const index = configurations.findIndex(c => c.name === debugConfig.name);
if (index !== -1) {
const answer = await vscode.window.showErrorMessage(`Launch configuration '${debugConfig.name}' already exists!`, 'Cancel', 'Update');
if (answer === "Cancel") return;
configurations[index] = debugConfig;
} else {
configurations.push(debugConfig);
}
await wsLaunchSection.update("configurations", configurations);
}
export function newDebugConfig(ctx: Ctx): Cmd {
return async () => {
const item = await selectRunnable(ctx, undefined, true, false);
if (!item) return;
await makeDebugConfig(ctx, item);
};
}
export class RunnableQuickPick implements vscode.QuickPickItem {
public label: string;
public description?: string | undefined;
public detail?: string | undefined;
public picked?: boolean | undefined;
constructor(public runnable: ra.Runnable) {
this.label = runnable.label;
}
}
interface CargoTaskDefinition extends vscode.TaskDefinition {
type: 'cargo';
label: string;
command: string;
args: string[];
env?: { [key: string]: string };
}
export function createTask(spec: ra.Runnable): vscode.Task {
const TASK_SOURCE = 'Rust';
const definition: CargoTaskDefinition = {
type: 'cargo',
label: spec.label,
command: spec.bin,
args: spec.extraArgs ? [...spec.args, '--', ...spec.extraArgs] : spec.args,
env: spec.env,
};
const execOption: vscode.ShellExecutionOptions = {
cwd: spec.cwd || '.',
env: definition.env,
};
const exec = new vscode.ShellExecution(
definition.command,
definition.args,
execOption,
);
const f = vscode.workspace.workspaceFolders![0];
const t = new vscode.Task(
definition,
f,
definition.label,
TASK_SOURCE,
exec,
['$rustc'],
);
t.presentationOptions.clear = true;
return t;
}
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