Bad Lang — VS Code Extension
Syntax highlighting, snippets, and language support for the Bad programming language.
Features
Syntax Highlighting
Full TextMate grammar for .bad files:
- Keywords —
fn, var, class, if, else, while, for, return, import, try, catch, throw, new, switch, break, continue, and more
- Types —
num, string, bool, char, any, void, int, float, double
- Literals — numbers (int, float, hex), strings, interpolated strings (
$"..."), booleans, null
- Comments — line (
//) and block (/* */)
- Operators — arithmetic, comparison, logical, assignment, compound assignment,
=>, ??, ..
- Definitions — function, class, interface, struct, and enum names
Language Configuration
- Bracket matching —
{}, [], (), <>
- Auto-closing — brackets, quotes
- Comment toggling —
Ctrl+/ for line comments, Ctrl+Shift+A for block comments
- Code folding — fold on
{}-delimited blocks
- Smart indentation — auto-indent after
{, auto-dedent on }
Snippets
Type a prefix and press Tab:
| Prefix |
Description |
fn |
Function declaration |
fnr |
Function with return type |
if |
If statement |
ife |
If-else statement |
for |
For-in loop |
while |
While loop |
do |
Do-while loop |
class |
Class with constructor |
classi |
Class with inheritance |
interface |
Interface declaration |
struct |
Struct declaration |
enum |
Enum declaration |
try |
Try-catch block |
tryf |
Try-catch-finally |
switch |
Switch-case statement |
var |
Variable declaration |
tvar |
Typed variable |
print |
Print line |
lam |
Lambda expression |
lamb |
Lambda block |
import |
Import statement |
ret |
Return statement |
Installation
From VSIX (local)
cd editor/bad-lang-vscode
npx @vscode/vsce package
code --install-extension bad-lang-0.1.0.vsix
From Source (development)
# Symlink into your VS Code extensions directory
ln -s $(pwd)/editor/bad-lang-vscode ~/.vscode/extensions/bad-lang
Then reload VS Code (Ctrl+Shift+P → "Developer: Reload Window").
Roadmap
- [ ] Language Server Protocol (LSP) — autocomplete, diagnostics, go-to-definition
- [ ] Debug Adapter Protocol (DAP) — breakpoints, step-through debugging
- [ ] Formatter integration
- [ ] VS Code Marketplace publishing
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