如何确定emacs完成源的优先级？

Question

When auto completing inside a buffer, I've found that nearby words are not at that top of the list but I want them to be.

I'm using auto-complete right now, but I am open to using something else that can do comprehensive completion (combining many sources, such as words in buffer, project, programming language completion, etc.) and automatically displays candidates as I type.

I've read over documentation on auto-complete and company mode. The only thing I can find is turning sources on and off, but nothing about prioritizing them, which is what I want to do. I can imagine several ways to accomplish this, like altering these packages, or writing code to combine and prioritize sources, but it just seems like someone must have done this already.

Edit: I've tracked down part of the problem to the autocomplete source which is supposed to do completion for words in the buffer (ac-source-words-in-same-mode-buffers) not prioritizing words nearby, but the original question still stands.

Answer 1

Emacs's built-in dabbrev-expand function is worth experimenting with. The function is automatically bound to M-/ in standard modes.

Answer 2

auto-complete prioritizes by previously completed completions and then by shortest completion. It could be altered in the auto-complete source, or a function combining sources and prioritizing them could be written.

Hippie completion is closer to solving the problem; it prioritizes sources by their order in a list, and it has a completion source of words nearby in the form of "visible words." It does not have an automatic completion UI, but it could be hooked into auto-complete.