brainfuck's Introduction

Brainfuck

A Brainfuck interpreter that runs on node.js!

Installation

Via npm (node package manager)

npm install brainfuck

Purpose

This was written with the intent of learning the concepts behind Turin-complete programming languages - as well as for some coding fun over the weekend! It was developed using vows (an asynchronous BDD/TDD framework).

Learning Brainfuck

Designed by Urban Müller in 1993, Brainfuck is a Turing-complete programming language made of eight instructions, each a single character in length, and no operands:

> : increments the data pointer
< : decrements the data pointer
+ : increases byte-value at the data pointer by one
- : decreases byte-value at the data pointer by one
. : converts the byte-value at the data pointer into an ASCII character
, : accepts input an stores it's byte-value at the data pointer
[ : if the byte-value at the data pointer is zero, jump forward to the instruction after the matching ']'
] : if the byte-value at the data pointer is non-zero, jump back to the instruction after the matching '['

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Add a `brainfuck` binary

E.g.

$ brainfuck -c '.+[.+]' # execute a brainfuck script directly
��������    
�
������������������ !"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~��������������������������������� ¡¢£¤¥¦§¨©ª«¬®¯°±²³´µ¶·¸¹º»¼½¾¿ÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖ×ØÙÚÛÜÝÞßàáâãäåæçèéêëìíîïðñòóôõö÷øùúûüýþÿ

# execute a brainfuck file, passing input to the program
$ brainfuck -f foo.bf 'input'
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