5.1 KiB
5.1 KiB
Languages
Intro
This is where Programming Language modes are configured.
Default Settings
(defun lang-default-settings ()
"default setting for a language"
(display-line-numbers-mode)
(treesit-auto-mode)
(eglot-ensure))
Built-in Modes
hook default settings to configured language modes
(let ((langs '("sh" "c++" "go-ts" "java" "js" "json" "LaTeX" "mhtml" "python" "typescript-ts" "tsx-ts" "python-ts")))
(dolist (lang langs)
(add-hook (intern (concat lang "-mode-hook")) 'lang-default-settings)))
add LSP server program names to eglot's configuration
(let ((server-programs '((c++-mode . ("clangd" "--stdio"))
(mhtml-mode . ("html-language-server" "--stdio"))
(java-mode . ("jdtls" "--stdio"))
(js-mode . ("typescript-language-server" "--stdio"))
(python-mode . ("pyright-langserver" "--stdio"))
(latex-mode . ("texlab"))
(json-mode . ("vscode-json-languageserver" "--stdio")))))
(setq eglot-server-programs (append server-programs eglot-server-programs)))
Installed Modes
Go
unused, as tree-sitter has covered most needed functionality
;; (use-package go-mode
;; :mode "\\.go\\'"
;; :hook (go-mode . lang-default-settings)
;; :config
;; (setq go-tab-width default-custom-tab-size))
TypeScript
No longer using typescript-mode, as there's a builtin typescript-ts mode in Emacs 29
(if (version< emacs-version "29")
(use-package typescript-mode
:mode ("\\.ts\\'" ("\\.tsx\\'" . typescript-tsx-mode))
:config
(define-derived-mode typescript-tsx-mode typescript-mode "TypeScriptReact")
(dolist (mode '(ykpescript-mode typescript-tsx-mode))
(add-to-list 'eglot-server-programs `(,mode . ("typescript-language-server", "--stdio"))))
:hook
(typescript-mode . (lambda () (lang-default-settings)
(let ((custom-tab-size 2))
(setq-default default-tab-width custom-tab-size
tab-width custom-tab-size
c-basic-offset custom-tab-size))))
(typescript-tsx-mode . (lambda ()
(lang-default-settings)
(let ((custom-tab-size 4))
(setq-default default-tab-width custom-tab-size
tab-width custom-tab-size
c-basic-offset custom-tab-size))))))
Markdown
(use-package markdown-mode
:commands (markdown-mode gfm-mode)
:mode ("\\.md\\'" "\\.markdown\\'")
:custom ((markdown-command "multimarkdown" "set the markdown command")))
JSON
(use-package json-mode
:mode (("\\.json\\'" . json-mode)
("\\.jsonl\\'" . json-mode)))
LaTeX (AUCTeX)
(use-package tex
:ensure auctex
:custom
(TeX-view-program-selection '((output-pdf "PDF Tools")) "set emacs as pdf viewer")
(TeX-source-correlate-start-server t "recommended setting")
(TeX-engine 'xetex "set engine to xelatex")
(TeX-PDF-mode t "use pdf mode")
(TeX-auto-save t "recommended setting")
(TeX-parse-self t "packages support")
:config
(add-hook 'TeX-after-compilation-finished-functions #'TeX-revert-document-buffer))
Python
Pyenv
python venv manager
(use-package pyvenv
:commands (pyvenv-mode pyvenv-activate pyvenv-workon pyvenv-exec-shell pyvenv-virtual-env)
:hook (python-mode . pyvenv-mode)
:config
(setenv "WORKON_HOME" (expand-file-name ".local/opt/miniforge3/envs" (safe-getenv "HOME" user-home-path))))
Jupyter
(use-package ein
:commands (ein:run ein:notebook-open ein:login)
:bind ("C-c C-o" . ein:notebook-open)
:config
(add-to-list 'org-babel-load-languages '(ein . t)))
;; :custom
;; (ein:jupyter-server-use-subcommand "server" "use jupyterlab instead of jupyter notebook")
Tab Size
Python code is recomendded to set the tab size to 4
(add-hook 'python-mode-hook
(lambda ()
(let ((custom-tab-size 4))
(setq-default default-tab-width custom-tab-size
tab-width custom-tab-size
c-basic-offset custom-tab-size))))
CSV-mode
(use-package csv-mode
:pin "gnu"
:commands (csv-mode csv-align-mode csv-field-index-mode)
:mode (("\\.csv\\'" . csv-align-mode) ("\\.tsv\\'" . csv-align-mode))
:custom (csv-invisibility-default nil "show separators when records are aligned"))