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[emacs] .dir-locals.el: add Language Server Protocol Support (LSP)

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Add LSP and update comment strings for full fledge developer tools.

Signed-off-by: Markus Heiser <markus.heiser@darmarit.de>
This commit is contained in:
Markus Heiser 2022-09-28 18:34:33 +02:00
parent 7cbfa6a8dd
commit cedef9930b
1 changed files with 31 additions and 32 deletions
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63
.dir-locals.el
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@ -3,18 +3,23 @@
;; Per-Directory Local Variables:
;; https://www.gnu.org/software/emacs/manual/html_node/emacs/Directory-Variables.html
;;
;; .. hint::
;; For full fledge developer tools install emacs packages:
;;
;; If you get ``*** EPC Error ***`` (even after a jedi:install-server) in
;; your emacs session, mostly you have jedi-mode enabled but the python
;; environment is missed. The python environment has to be next to the
;; ``<repo>/.dir-locals.el`` in::
;; M-x package-install ...
;;
;; ./local/py3
;; magit gitconfig
;; nvm lsp-mode lsp-pyright lsp-eslint
;; pyvenv pylint pip-requirements
;; jinja2-mode
;; json-mode
;; company company-jedi company-quickhelp company-shell
;; realgud
;; sphinx-doc markdown-mode graphviz-dot-mode
;; apache-mode nginx-mode
;;
;; To setup such an environment, build target::
;; To setup a developer environment, build target::
;;
;; $ make pyenv.install
;; $ make node.env.dev pyenv.install
;;
;; Some buffer locals are referencing the project environment:
;;
@ -29,26 +34,11 @@
;; (setq python-shell-virtualenv-root "/path/to/env/")
;; - python-shell-interpreter --> <repo>/local/py3/bin/python
;;
;; Python development:
;;
;; Jedi, flycheck & other python stuff should use the 'python-shell-interpreter'
;; from the local py3 environment.
;;
;; For pyright support you need to install::
;;
;; M-x package-install lsp-pyright
;;
;; Other useful jedi stuff you might add to your ~/.emacs::
;;
;; (global-set-key [f6] 'flycheck-mode)
;; (add-hook 'python-mode-hook 'my:python-mode-hook)
;;
;; (defun my:python-mode-hook ()
;; (add-to-list 'company-backends 'company-jedi)
;; (require 'jedi-core)
;; (jedi:setup)
;; (define-key python-mode-map (kbd "C-c C-d") 'jedi:show-doc)
;; (define-key python-mode-map (kbd "M-.") 'jedi:goto-definition)
;; (define-key python-mode-map (kbd "M-,") 'jedi:goto-definition-pop-marker)
;; )
((nil
. ((fill-column . 80)
@ -67,6 +57,12 @@
;; to get in use of NVM environment, install https://github.com/rejeep/nvm.el
(setq-local nvm-dir (expand-file-name "./.nvm" prj-root))
;; use nodejs from the (local) NVM environment (see nvm-dir)
(nvm-use-for-buffer)
(ignore-errors (require 'lsp))
(setq-local lsp-server-install-dir (car (cdr nvm-current-version)))
(setq-local lsp-enable-file-watchers nil)
;; use 'py3' environment as default
(setq-local python-environment-default-root-name
"py3")
@ -100,22 +96,22 @@
(js-mode
. ((eval . (progn
;; use nodejs from the (local) NVM environment (see nvm-dir)
(nvm-use-for-buffer)
(ignore-errors (require 'lsp-eslint))
(setq-local js-indent-level 2)
;; flycheck should use the eslint checker from developer tools
(setq-local flycheck-javascript-eslint-executable
(expand-file-name "node_modules/.bin/eslint" prj-root))
;; (flycheck-mode)
(flycheck-mode)
(if (featurep 'lsp-eslint)
(lsp))
))))
(python-mode
. ((eval . (progn
;; use nodejs from the (local) NVM environment (see nvm-dir)
(nvm-use-for-buffer)
(if (featurep 'lsp-pyright)
(lsp))
(ignore-errors (require 'jedi-core))
(ignore-errors (require 'lsp-pyright))
(ignore-errors (sphinx-doc-mode))
(setq-local python-environment-virtualenv
(list (expand-file-name "bin/virtualenv" python-shell-virtualenv-root)
;;"--system-site-packages"
@ -124,6 +120,9 @@
(setq-local pylint-command
(expand-file-name "bin/pylint" python-shell-virtualenv-root))
(if (featurep 'lsp-pyright)
(lsp))
;; pylint will find the '.pylintrc' file next to the CWD
;; https://pylint.readthedocs.io/en/latest/user_guide/run.html#command-line-options
(setq-local flycheck-pylintrc