Customized Programming Language

Description

• Scheme-based language
• Math operations and variable declarations

Works Done

• Built a lexical analyser for tokenization of custom language and established abstract syntax tree (AST) by parsing
• Designed custom CLI and REPL & Integrated file stream to evaluate program in unique file extension
• Transpiled entire custom language to executable target language Javascript by applying Visitor pattern
• 100% unit tests coverage with Jest Framework

Overview

3 ways to interact

1. Repl
2. Read files from filesystem
3. Transpile to JS

Getting started

npm init

npm link

dropbear run examples/example2.drp

Syntax

Starts with ( and ends with )

(multiply 2 3)

(add 2 subtract (3 1))

(define x 3)

(max 2 3 56)