Added the support for .cc and .cxx file extensions and fixed a minor issue in the dev-guide (#546)

* feat: Added support for .cc and .cxx file extensions

* docs: Changed Jest unit test command from `npm run jest` to `npm run test`

Author: wyxh2004

docs/dev-guide.md

@@ -66,7 +66,7 @@ We recommend installing `Prettier` and `ESLint` VS Code extensions. Before
 commiting, make sure you are passing the following tests:
 
 -   ESLint lint: `npm run lint`.
--   Jest unit tests: `npm run jest`.
+-   Jest unit tests: `npm run test`.
 -   Typescript compilation: `npm run test-compile`.
 -   Pre-publish bundling: `npm run vscode:prepublish`.
 

src/compiler.ts

@@ -69,7 +69,9 @@ const getFlags = (language: Language, srcPath: string): string[] => {
     if (args[0] === '') args = [];
     let ret: string[];
     switch (language.name) {
-        case 'cpp': {
+        case 'cpp':
+        case 'cc':
+        case 'cxx': {
             ret = [
                 srcPath,
                 getCppOutputArgPref(),

src/config.ts

@@ -13,6 +13,8 @@ export default {
     extensions: {
         c: 'c',
         cpp: 'cpp',
+        cc: 'cpp',
+        cxx: 'cpp',
         csharp: 'cs',
         python: 'py',
         ruby: 'rb',
@@ -64,6 +66,8 @@ export default {
     supportedExtensions: [
         'py',
         'cpp',
+        'cc',
+        'cxx',
         'rs',
         'c',
         'java',

src/preferences.ts

@@ -142,7 +142,9 @@ export const getLanguageId = (srcPath: string): number => {
     const extension = path.extname(srcPath);
     let compiler = null;
     switch (extension) {
-        case '.cpp': {
+        case '.cpp':
+        case '.cc':
+        case '.cxx': {
             compiler = getPreference('language.cpp.SubmissionCompiler');
             break;
         }

src/types.ts

@@ -62,6 +62,8 @@ export type LangNames =
     | 'ruby'
     | 'c'
     | 'cpp'
+    | 'cc'
+    | 'cxx'
     | 'rust'
     | 'java'
     | 'js'

src/utils.ts

@@ -50,7 +50,9 @@ export const getLanguage = (srcPath: string): Language => {
     }
 
     switch (langName) {
-        case 'cpp': {
+        case 'cpp':
+        case 'cc':
+        case 'cxx': {
             return {
                 name: langName,
                 args: [...getCppArgsPref()],