id: "brainf"
aliases:
  - "brainfuck"
  - "bf"
name: "Brainf***"

info:
  impl: "Beef"
  year: 1993
  desc: "Famous esoteric programming language created in 1993 by Urban Müller"
  ext:
    - b
    - bf
  web:
    wiki: "https://en.wikipedia.org/wiki/Brainfuck"
    esolang: "https://esolangs.org/wiki/Brainfuck"
    impl: "https://kiyuko.org/software/beef"
    source: "https://github.com/andreabolognani/beef"
  category: esoteric
  mode: interpreted
  platform: bf
  syntax: golf
  typing: integer
  paradigm: turing
  usage: []

install:
  apt:
    - beef
  scripts:
    brainf: |
      #!/usr/bin/env python3
      import argparse
      import readline
      import subprocess
      import tempfile

      parser = argparse.ArgumentParser()
      parser.add_argument("file", nargs="?")
      args = parser.parse_args()

      if args.file:
          subprocess.run(["beef", args.file])
      while True:
          try:
              code = input("bf> ")
          except KeyboardInterrupt:
              print("^C")
              continue
          except EOFError:
              print("^D")
              break
          if not code:
              continue
          with tempfile.NamedTemporaryFile(mode="w") as f:
              f.write(code)
              f.flush()
              subprocess.run(["beef", f.name])

repl: |
  brainf
input: |
  >++>+[>++++[-<++++>]<<]> [>>+>+<<<-]>>>[<<<+>>>-]<<+>[<->[>++++++++++<[->-[>+>>]>[+[-<+>]>+>>]<<<<<]>[-]++++++++[<++++++>-]>[<<+>>-]>[<<+>>-]<<]>]<[->>++++++++[<++++++>-]]<[.[-]<]<
output: |
  86

main: "main.bf"
template: |
  ++++++++
  [
      >++++
      [
          >++
          >+++
          >+++
          >+
          <<<<-
      ]
      >+
      >+
      >-
      >>+
      [<]

      <-
  ]

  >>.
  >---.
  +++++++..+++.
  >>.
  <-.
  <.
  +++.------.--------.
  >>+.
  >++.

run: |
  brainf main.bf
hello: |
  Hello World