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iquiw / company-ghc

Company-mode completion back-end for haskell-mode via ghc-mod
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completion of symbols in current module when not compiling? #11

Closed mwotton closed 9 years ago

mwotton commented 9 years ago

This might be an edge case, and might also be doable by other means, but I was hoping you'd be able to help - when my current module isn't compilable, I lose the ability to complete identifiers from the current module. This is a bit jarring. Might it be possible to have a fallback mode where the tokenised words are used as completion sources when ghc-mod fails to parse the file? Can I achieve this goal by some other company-mode plugin?

iquiw commented 9 years ago

I agree we need better handling in such case by ghc-mod, by company-ghc, or both. I have no specific idea for now though.

As for the last question, company-dabbrev-code might help, which is included in company-mode. Quote from docstring:

dabbrev-like `company-mode' back-end for code.
The back-end looks for all symbols in the current buffer that aren't in
comments or strings."

See https://github.com/iquiw/company-ghc#4note for the example setting.

mwotton commented 9 years ago

beautiful, that did the trick. Unfortunately it seems to extend it to all buffers - ie, anything that's in any currently open buffer is a target, which isn't quite what I want. Still, too many options is better than not enough. Thanks!

iquiw commented 9 years ago

company-backends can be buffer local. If you set it by e.g. M-: (setq-local company-backends '(company-dabbrev-code)), it won't affect to other buffers.

iquiw commented 9 years ago

Sorry, I misunderstood your comment.

iquiw commented 9 years ago

I think company-dabbrev-code-other-buffers can control the behavior though I have not tried it.