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import * as vscode from 'vscode';
import * as lc from 'vscode-languageclient';
import { Server } from '../server';
interface RunnablesParams {
textDocument: lc.TextDocumentIdentifier;
position?: lc.Position;
}
interface Runnable {
range: lc.Range;
label: string;
bin: string;
args: string[];
env: { [index: string]: string };
}
class RunnableQuickPick implements vscode.QuickPickItem {
public label: string;
public description?: string | undefined;
public detail?: string | undefined;
public picked?: boolean | undefined;
constructor(public runnable: Runnable) {
this.label = runnable.label;
}
}
interface CargoTaskDefinition extends vscode.TaskDefinition {
type: 'cargo';
label: string;
command: string;
args: string[];
env?: { [key: string]: string };
}
function createTask(spec: Runnable): vscode.Task {
const TASK_SOURCE = 'Rust';
const definition: CargoTaskDefinition = {
type: 'cargo',
label: 'cargo',
command: spec.bin,
args: spec.args,
env: spec.env
};
const execOption: vscode.ShellExecutionOptions = {
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;
}
let prevRunnable: RunnableQuickPick | undefined;
export async function handle() {
const editor = vscode.window.activeTextEditor;
if (editor == null || editor.document.languageId !== 'rust') {
return;
}
const textDocument: lc.TextDocumentIdentifier = {
uri: editor.document.uri.toString()
};
const params: RunnablesParams = {
textDocument,
position: Server.client.code2ProtocolConverter.asPosition(
editor.selection.active
)
};
const runnables = await Server.client.sendRequest<Runnable[]>(
'rust-analyzer/runnables',
params
);
const items: RunnableQuickPick[] = [];
if (prevRunnable) {
items.push(prevRunnable);
}
for (const r of runnables) {
if (
prevRunnable &&
JSON.stringify(prevRunnable.runnable) === JSON.stringify(r)
) {
continue;
}
items.push(new RunnableQuickPick(r));
}
const item = await vscode.window.showQuickPick(items);
if (item) {
item.detail = 'rerun';
prevRunnable = item;
const task = createTask(item.runnable);
return await vscode.tasks.executeTask(task);
}
}
export async function handleSingle(runnable: Runnable) {
const editor = vscode.window.activeTextEditor;
if (editor == null || editor.document.languageId !== 'rust') {
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);
}
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