This repository contains a tiny implementation of the Brainfuck language.
A brainfuck program is written in clear text and only contains eight tokens of relevance. Anything else is silently ignored.
Character | Implemented | Meaning |
---|---|---|
> | Yes | Increment the data pointer (to point to the next cell to the right). |
< | Yes | Decrement the data pointer (to point to the next cell to the left). |
+ | Yes | Increment (increase by one) the byte at the data pointer. |
- | Yes | Decrement (decrease by one) the byte at the data pointer. |
. | Yes | Output the byte at the data pointer. |
, | No | Accept one byte of input, storing its value in the byte at the data pointer. |
[ | Yes | If the byte at the data pointer is zero, then instead of moving the instruction pointer forward to the next command, jump it forward to the command after the matching ] command. |
] | Yes | If the byte at the data pointer is nonzero, then instead of moving the instruction pointer forward to the next command, jump it back to the command after the matching [ command. |
cargo test