🇧🇩 MamaLang

A Bengali meme-style programming language that compiles to JavaScript.

What is MamaLang?

MamaLang is a humorous programming language where every keyword starts with "mama" — inspired by Bangladeshi meme culture. It transpiles to clean JavaScript and runs on Node.js.

mama bolo("Assalamu Alaikum, Duniya! 🌍")

mama dhori boyosh = 20

mama jodi (boyosh >= 18) {
    mama bolo("Tumi boro!")
} mama nahole {
    mama bolo("Tumi choto!")
}

Installation

npm install -g mamalang

Quick Start

Create hello.mama:

mama bolo("Hello from MamaLang!")
mama hasi()

Run it:

mama run hello.mama

CLI Commands

| Command | Description | |---------|-------------| | mama run <file> | Compile and run a .mama file | | mama compile <file> | Compile to JavaScript only | | mama repl | Start interactive REPL | | mama init [dir] | Scaffold a new project | | mama version | Print version |

Language Reference

Variables

mama dhori x = 10          // let x = 10
mama pakka PI = 3.1416     // const PI = 3.1416

Print

mama bolo("Hello!")        // console.log("Hello!")
mama bolo(x, y, z)         // console.log(x, y, z)

Conditionals

mama jodi (x > 5) {
    mama bolo("boro")
} mama nahole {
    mama bolo("choto")
}

Loops

// For loop
mama ghuro (mama dhori i = 0; i < 10; i++) {
    mama bolo(i)
}

// While loop
mama jotokkhon (x < 100) {
    x += 1
}

Functions

mama kaj jog(a, b) {
    mama ferot a + b
}

mama bolo(jog(3, 4))   // 7

Async / Await

mama kaj fetchData() {
    mama dhori result = mama opekkha getData()
    mama ferot result
}

Booleans & Null

mama dhori isReady = mama shotto    // true
mama dhori isEmpty = mama miththa   // false
mama dhori value = mama khali       // null

Try / Catch

mama panic {
    riskyOperation()
} mama dhora(err) {
    mama bolo("Error hoiche: " + err)
}

Meme Features

mama hasi()          // console.log("😂")
mama kanna()         // console.log("😭")
mama ghum(2000)      // await sleep(2000ms)

Runtime Helpers

mama dhori r = mama.random()     // Math.random()
mama dhori t = mama.time()       // Date.now()
mama dhori d = mama.tarikh()     // new Date()

Examples

Fibonacci

mama kaj fib(n) {
    mama jodi (n <= 1) { mama ferot n }
    mama ferot fib(n - 1) + fib(n - 2)
}

mama ghuro (mama dhori i = 0; i < 10; i++) {
    mama bolo("fib(" + i + ") = " + fib(i))
}

Calculator

mama kaj bhag(a, b) {
    mama jodi (b === 0) {
        mama bolo("Shunno diye bhag hoy na!")
        mama ferot mama khali
    }
    mama ferot a / b
}

VS Code Extension

Install MamaLang Language Support from the VS Code Marketplace.

Features:

• ✅ Syntax highlighting
• ✅ Snippets (type mj → mama jodi, mk → mama kaj, etc.)
• ✅ Run file from editor title bar
• ✅ Error diagnostics
• ✅ Auto-closing brackets

Architecture

src/
├── lexer/
│   ├── tokens.ts       Token types & labels
│   └── lexer.ts        Hand-written tokenizer
├── parser/
│   └── parser.ts       Recursive-descent parser
├── ast/
│   └── nodes.ts        AST node type definitions
├── generator/
│   └── generator.ts    JavaScript code generator
├── cli/
│   └── index.ts        CLI (commander.js)
└── index.ts            Public compiler API

Compilation Pipeline

.mama source
     │
     ▼
  Lexer  ──→  Token[]
     │
     ▼
  Parser ──→  AST (Program)
     │
     ▼
Generator ──→  JavaScript string
     │
     ▼
  Node.js executes it

Contributing

git clone https://github.com/mamalang/mamalang
cd mamalang
npm install
npm run dev       # watch mode
npm test          # run tests

License

MIT © MamaLang Contributors

Developed with ❤️ and plenty of chai ☕ in Bangladesh 🇧🇩