Just a brainf*ck interpreter.
$ gem install brainfsck
$ brainfsck "+>++>+++."
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2
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You can also see how your code is getting interpreted by setting the DEBUG
env
variable:
$ DEBUG=1 brainfsck "+>++>+++."
ip: 0
dp: 0
ff: 0
mem: [0]
call_stack: []
program: +>++>+++.
^
==================
ip: 1
dp: 0
ff: 0
mem: [1]
call_stack: []
program: +>++>+++.
^
==================
ip: 2
dp: 1
ff: 0
mem: [1, 0]
call_stack: []
program: +>++>+++.
^
==================
ip: 3
dp: 1
ff: 0
mem: [1, 1]
call_stack: []
program: +>++>+++.
^
==================
ip: 4
dp: 1
ff: 0
mem: [1, 2]
call_stack: []
program: +>++>+++.
^
==================
ip: 5
dp: 2
ff: 0
mem: [1, 2, 0]
call_stack: []
program: +>++>+++.
^
==================
ip: 6
dp: 2
ff: 0
mem: [1, 2, 1]
call_stack: []
program: +>++>+++.
^
==================
ip: 7
dp: 2
ff: 0
mem: [1, 2, 2]
call_stack: []
program: +>++>+++.
^
==================
ip: 8
dp: 2
ff: 0
mem: [1, 2, 3]
call_stack: []
program: +>++>+++.
^
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==================
Bug reports and pull requests are welcome on GitHub at https://github.com/justmendes/brainfsck. This project is intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to the Contributor Covenant code of conduct.
The gem is available as open source under the terms of the MIT License.
Everyone interacting in the Brainfsck project’s codebases, issue trackers, chat rooms and mailing lists is expected to follow the code of conduct.