judge: testlib builtin checkers

packages/hydrojudge/package.json

@@ -1,7 +1,7 @@
 {
     "name": "@hydrooj/hydrojudge",
     "bin": "bin/hydrojudge.js",
-    "version": "2.12.11",
+    "version": "2.12.12",
     "main": "package.json",
     "author": "undefined <i@undefined.moe>",
     "repository": "https://github.com/hydro-dev/Hydro.git",

packages/utils/lib/cases.ts

@@ -1,4 +1,4 @@
-import { parseMemoryMB, parseTimeMS } from './utils';
+import { findFileSync, parseMemoryMB, parseTimeMS } from './utils';
 
 // eslint-disable-next-line @typescript-eslint/no-unused-vars
 export default async function readYamlCases(cfg: Record<string, any> = {}, checkFile = (s: string, errMsg: string) => s) {
@@ -10,7 +10,12 @@ export default async function readYamlCases(cfg: Record<string, any> = {}, check
         user_extra_files: [],
     };
     config.checker_type = cfg.checker_type || 'default';
-    if (cfg.checker) config.checker = checkFile(cfg.checker, 'Cannot find checker {0}.');
+    if (cfg.checker) {
+        if (!cfg.checker.includes('.')) {
+            config.checker = findFileSync(`@hydrojudge/vendor/testlib/checkers/${cfg.checker}.cpp`, false);
+        }
+        if (!config.checker) config.checker = checkFile(cfg.checker, 'Cannot find checker {0}.');
+    }
     if (cfg.interactor) config.interactor = checkFile(cfg.interactor, 'Cannot find interactor {0}.');
     if (cfg.judge_extra_files) {
         if (typeof cfg.judge_extra_files === 'string') {

packages/utils/lib/utils.ts

@@ -344,7 +344,7 @@ export async function findFile(pathname: string, doThrow = true) {
     return null;
 }
 
-export function findFileSync(pathname: string, doThrow = true) {
+export function findFileSync(pathname: string, doThrow: boolean | Error = true) {
     if (fs.pathExistsSync(path.resolve(pathname))) return path.resolve(pathname);
     if (fs.pathExistsSync(path.resolve(process.cwd(), pathname))) return path.resolve(process.cwd(), pathname);
     if (fs.pathExistsSync(path.resolve(__dirname, pathname))) return path.resolve(__dirname, pathname);
@@ -364,7 +364,7 @@ export function findFileSync(pathname: string, doThrow = true) {
     if (fs.pathExistsSync(path.resolve(os.homedir(), pathname))) return path.resolve(os.homedir(), pathname);
     if (fs.pathExistsSync(path.resolve(os.homedir(), '.hydro', pathname))) return path.resolve(os.homedir(), '.hydro', pathname);
     if (fs.pathExistsSync(path.resolve(os.homedir(), '.config', 'hydro', pathname))) return path.resolve(os.homedir(), '.config', 'hydro', pathname);
-    if (doThrow) throw new Error(`File ${pathname} not found`);
+    if (doThrow) throw (typeof doThrow !== 'boolean' ? doThrow : new Error(`File ${pathname} not found`));
     return null;
 }