Comments (6)
Still waiting for melpa/melpa#5405
Before it is merged, you may use:
;; https://github.com/MaskRay/Config/blob/master/home/.config/doom/modules/private/my-cc/config.el
(use-package! ccls
:load-path "~/Dev/Emacs/emacs-ccls"
:init (add-hook 'c-mode-common-hook #'+ccls//enable)
:config
;; overlay is slow
;; Use https://github.com/emacs-mirror/emacs/commits/feature/noverlay
(setq ccls-sem-highlight-method 'font-lock)
(ccls-use-default-rainbow-sem-highlight)
(setq ccls-extra-init-params
'(:completion (:detailedLabel t) :xref (:container t)
:diagnostics (:frequencyMs 5000)))
(require 'projectile)
(add-to-list 'projectile-globally-ignored-directories ".ccls-cache")
(evil-set-initial-state 'ccls-tree-mode 'emacs)
(set! :company-backend '(c-mode c++-mode) '(company-lsp))
)
from emacs-ccls.
As you said, in order to use ccls
, I have to download ccls
to my .emacs.d
, and load it manually. By the way, it seems set!
is a customized macro, because I could not find any information about it. It seems what (set! :company-backend '(c-mode c++-mode) '(company-lsp))
means is when major mode are c-mode or c++-mode, setting company-backend
to company-lsp
. Thus I change it to :
;;; backends for lsp-mode
(use-package company-lsp
:ensure t
:defer t
:init (progn
(add-hook 'lsp-mode-hook (lambda ()
(add-to-list 'company-backends 'company-lsp)))
))
This statement adds company-lsp
to company-backends
when lsp-mode is enabled. Personally, I prefer
(with-eval-after-load 'projectile
(add-to-list 'projectile-globally-ignored-directories ".ccls-cache")
)
rather than
require 'projectile)
(add-to-list 'projectile-globally-ignored-directories ".ccls-cache")
In the end, (add-to-list 'projectile-globally-ignored-directories ".ccls-cache")
should change to (add-to-list 'projectile-globally-ignored-directories "*.ccls-cache")
,or it only ignores top level directory.
from emacs-ccls.
As you said, in order to use ccls, I have to download ccls to my .emacs.d, and load it manually.
Yeah not very convenient for now..
(set! :company-backend '(c-mode c++-mode) '(company-lsp))
This a macro defined in doom-emacs (the Emacs distribution I use) https://github.com/hlissner/doom-emacs/blob/develop/core/core-lib.el#L238
It sets the buffer-local variable company-backends
to (company-lsp)
somehow.
(with-eval-after-load 'projectile
Thanks for your advice. Updated my config
should change to (add-to-list 'projectile-globally-ignored-directories "*.ccls-cache")
.ccls-cache
should be sufficient.
- When a
c-mode
c++-mode
file is opened - The mode hook kicks in and initializes emacs-ccls
- emacs-ccls uses ccls-project-root-matchers to locate the project root
- lsp-mode spawns ccls (server) and and sends the
initialize
request to the ccls process, withrootUri
(project root) in the parameter. - The ccls server takes
rootUri
as the project root and creates.ccls-cache
under it.
.ccls-cache
will not appear in other directories so I do not bother using *.ccls-cache
.
For larger C/C++ projects with subprojects, .ccls-root
should be put in the parent project directory. I may not have explained it well, clarification (it is publicly editable) welcomed :)
from emacs-ccls.
Sorry for missing the FAQ, because I haven't set .ccls-root
in the root project, so ccls
just generates .ccls-cache
for each subproject. Even though I am not familiar with ccls/emacs-ccls
, I think your explanation is clear enough.
from emacs-ccls.
The PR has been merged.
from emacs-ccls.
Congrats!
from emacs-ccls.
Related Issues (20)
- c++17, std::optional HOT 1
- Header files not found with emacs-ccls, but works fine at vscode. HOT 1
- imenu: show static member variable instead of function
- Help wanted with configuration: C++ headers not found HOT 1
- conditional highlights doesn't work HOT 2
- Is there a way to manually suspend/resume ccls indexing?
- ccls stuck in "starting"
- Cannot find the references via ccls.xref HOT 2
- Open all hierachy tree at once
- Customize initialization options in S-exp has no effect HOT 1
- Multi-root project setup HOT 2
- Compilation warnings (as of 29.3)
- Using function prototypes auto-completion has strange behavior
- (void-function lsp:ccls-semantic-highlight-symbol-ranges). HOT 11
- use eval-and-compile instead of eval-when-compile HOT 1
- Function definition lsp:ccls-call-children is void HOT 3
- imenu not showing symbol types HOT 3
- Help with .ccls file config: Header file correctly parsed but "file not found" error appears.
- can not jump to std definition
- How to prevent buffers *ccls-tree call/inheritance hierarchy to use same window than buffer Treemacs ?
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from emacs-ccls.