[Sleepy] Emacs auto-complete backend for geiser.
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This project is inspired by ac-slime and ac-nrepl, which makes Scheme programming in Emacs more enjoyable by providing a completion source for the popular Emacs interactive auto-completion framework auto-complete.

Where geiser provides it, pop-up documentation for completed symbols will be displayed.


First, ensure auto-complete and geiser are installed.

You’ll need both auto-complete and geiser to be enabled and working, I recommend using a Emacs package manager, either the builtin package.el or the more flexible el-get. For package.el, Marmalade and Mepla is your good friends. Please consult the corresponding documentation if you have any trouble with this.

Next, install ac-geiser. Again, you can install it by package.el or el-get. After installation, put necessary code to your .emacs file:

(require 'ac-geiser)
(add-hook 'geiser-mode-hook 'ac-geiser-setup)
(add-hook 'geiser-repl-mode-hook 'ac-geiser-setup)
(eval-after-load "auto-complete"
  '(add-to-list 'ac-modes 'geiser-repl-mode))


ac-geiser should now automatically be enabled when you visit a buffer in which geiser-mode is active and auto-complete is enabled.

Simply trigger auto-completion, and completion candidates supplied by geiser should be displayed, with the symbol g on the right hand side of the completion pop-up. After a short delay, popup documentation for the completed symbol should also be displayed.