EasyBasic Interpreter

A modern BASIC interpreter that runs right inside our browser.

Getting Started

# Clone this repo
git clone https://github.com/easy-basic/interpreter.git

# Install dependencies
yarn
# OR
npm Install

# Compiling project
npm run watch

Progress

• Stream Scanning
• Expression Parsing
• Top level program parsing
• Statements Parsing
• Plugable operators support
• Expression evaluator
• Plugable functions support in expression parsing
• Statement Execution
• Complete Runtime
• Implement Loops
• User defined functions

Actually whole alot of stuff is still lacking and I think current my implementation is also not that good.

Runing

There is no GUI provided yet but project can be test by opening dist/test.html in browser and using following commands

var basic = new BASIC();
basic.execute(`
10 x = 10+30/5*43-cos(30)
20 print x
`)

Related Projects

• PcBASIC https://github.com/robhagemans/pcbasic
• IronBASIC https://github.com/uadnan/IronBasic
• qb.js https://github.com/th0r/qb.js

License

This project is licensed under the MIT License - see the LICENSE file for details