https://github.com/zk-phi/bfbuilder

A brainfuck development environment with interactive debugger
https://github.com/zk-phi/bfbuilder

emacs

Last synced: 3 months ago
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A brainfuck development environment with interactive debugger

• Host: GitHub
• URL: https://github.com/zk-phi/bfbuilder
• Owner: zk-phi
• Created: 2015-09-16T18:09:18.000Z (over 9 years ago)
• Default Branch: master
• Last Pushed: 2021-02-28T17:40:14.000Z (almost 4 years ago)
• Last Synced: 2024-05-30T16:36:00.389Z (8 months ago)
• Topics: emacs
• Language: Emacs Lisp
• Homepage:
• Size: 50.8 KB
• Stars: 39
• Watchers: 7
• Forks: 11
• Open Issues: 2
• Metadata Files:
  • Readme: Readme.org

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README

        
* bfbuilder.el

Emacs 用の Brainfuck 開発環境

A brainfuck development environment with interactive debugger

** Screenshot

[[file:./bfbuilder.png]]

** Features

- syntax highlighting

- automatic indentation

- interactive debugger

- abbrev for repetition

** Installation

Load "bfbuilder.el" and setup ~auto-mode-alist~

: (require 'bfbuilder)

: (add-to-list 'auto-mode-alist '("\\.bf$" . bfbuilder-mode))

then ~bfbuilder-mode~ is activated when opening ".bf" files.

** Keybindings

~TAB~ expands the last abbrev if it exists, or indents current line

otherwise. Abbrev is something like ~+10~, or ~(+-)3~ and they expand

to ~++++++++++~ and ~+-+-+-~ respectively.

~C-c C-c~ opens the debugger. You can execute the program step by step

with following keybindings. Any other key closes the debugger.

- ~l~ :: execute an instruction

- ~j~ :: execute a line

- ~L~ :: execute a group of instructions like ~++++++~

- ~g~ :: initialize the debugger state

- ~G~ :: execute forward until it reaches a breakpoint (~@~ by default)

** TODOs

- implement undo (backward execution) feature for the debugger