path: root/config/init-programming.el

;;; init-programming.el --- Configure things related to programming -*- lexical-binding: t -*-
;; Author: Franck Cuny <franck@fcuny.net>

;;; Commentary:

;; Configure things related to programming

;;; Code:

;; `elec-pair' is a built-in minor-mode that enables auto-pairing of parens (or
;; similar delimiters).
(use-package elec-pair
  :hook (prog-mode . electric-pair-mode))

;; `delete-trailing-whitespace' removes the tailing whitespace.
(add-hook 'before-save-hook 'delete-trailing-whitespace)

(use-package compile
  :ensure nil
  :hook (compilation-filter . ansi-color-compilation-filter)
  :custom
  (compilation-always-kill t)
  (compilation-context-lines 10)
  (compilation-disable-input t)
  (compilation-scroll-output 'first-error)
  (compilation-scroll-output t)
  (compilation-skip-threshold 2)
  ;; Save all buffers on M-x `compile'
  (compilation-ask-about-save nil))

(use-package eldoc
  :diminish
  :hook ((emacs-lisp-mode) . eldoc-mode)
  :custom
  (eldoc-idle-delay 1)
  (eldoc-documentation-strategy #'eldoc-documentation-default)
  ;; Don't resize the echo area if the documentation is longer. This is very
  ;; distracting when combined with Eglot's highlight functionality.
  (eldoc-echo-area-use-multiline-p nil))

(use-package tree-sitter
  :ensure t
  :config
  (global-tree-sitter-mode))

(use-package tree-sitter-langs
  :after tree-sitter
  :ensure t)

(use-package direnv
  :ensure t
  :custom
  (direnv-always-show-summary nil)
  :config
  (direnv-mode))

(use-package emacs-lisp-mode
  :bind (:map emacs-lisp-mode-map
              ("C-c C-r" . eval-region)
              ("C-c C-d" . eval-defun)
              ("C-c C-b" . eval-buffer))
  :hook ((emacs-lisp-mode . flymake-mode)))

(use-package eglot
  :after yasnippet
  :bind (:map eglot-mode-map
              ("C-c l a" . eglot-code-actions)
              ("C-c l r" . eglot-rename)
	      ("C-c l f" . eglot-format-buffer))
  :hook ((go-mode     . eglot-ensure)
	 (python-mode . eglot-ensure)
	 (nix-mode    . eglot-ensure))
  :custom
  (eglot-send-changes-idle-time 0.1)
  :config
  (setq eglot-autoshutdown t
	;; Disable logging of events.
	eglot-events-buffer-size 0)
  (setq-default eglot-workspace-configuration
                '(:pylsp (:plugins (:ruff (:enabled t)))
                  :gopls (:usePlaceholders t
					   :staticcheck t
					   :completeUnimported t
					   :matcher "CaseSensitive")))

  ;; uses https://github.com/nix-community/nixd for the LSP server instead of rnix
  (add-to-list 'eglot-server-programs '(nix-mode . ("nixd"))))

;;; go related configuration
(use-package go-mode
  :ensure t
  :defer t
  :hook ((go-mode . tree-sitter-hl-mode)
         (go-mode . (lambda () (setq tab-width 4)))
         (go-mode . (lambda () (add-hook 'before-save-hook 'eglot-format-buffer nil t))))
  :bind (:map go-mode-map
              ("C-c C-c" . compile)))

(use-package gotest
  :ensure t
  :after go-mode
  :custom
  (go-test-verbose t))

;;; nix related configuration
(use-package nix-mode
  :ensure t
  :hook ((nix-mode . (lambda () (add-hook 'before-save-hook 'eglot-format-buffer nil t))))
  :custom
  (nix-indent-function 'nix-indent-line))

;;; python related configuration
(use-package python-mode
  :hook ((python-mode . tree-sitter-hl-mode))
  :custom
  ;; if set to an absolute path, pyvenv won't work
  (python-shell-interpreter "python3"))

(use-package blacken
  :ensure t
  :hook (python-mode . blacken-mode))

(use-package pyvenv
  :ensure t
  :config
  (pyvenv-mode 1))

(use-package ruby-mode)

;;; flymake related configuration
(use-package flymake
  :ensure nil
  :defer t
  :bind (:prefix "C-c !"
		 :prefix-map flymake-prefix-map
		 ("l" . consult-flymake)
                 ("b" . flymake-show-project-diagnostics)
                 ("n" . flymake-goto-next-error)
                 ("p" . flymake-goto-prev-error))
  :hook
  (prog-mode . flymake-mode)
  :custom
  (flymake-start-on-save-buffer t)
  (flymake-fringe-indicator-position 'left-fringe)
  (flymake-suppress-zero-counters t)
  (flymake-proc-compilation-prevents-syntax-check t)
  (flymake-no-changes-timeout 9999)
  (elisp-flymake-byte-compile-load-path load-path))

;;; JSON related modules
(use-package json-mode
  :defer t
  :mode "\\.json\\'")

(use-package json-reformat
  :defer t
  :ensure t
  :after json-mode)

(use-package jq-mode
  :defer t
  :ensure t
  :mode "\\.jq\\'")

;;; hashicorp related modules
(use-package terraform-mode
  :defer t
  :ensure t
  :mode "\.tf\\'")

(use-package hcl-mode
  :defer t
  :ensure t
  :mode "\.nomad\\'")

;;; TOML related modules
(use-package toml-mode
  :defer t
  :ensure t)

;;; YAML related modules
(use-package yaml-mode
  :defer t
  :ensure t)

;;; docker related modules
(use-package docker
  :defer t
  :bind ("C-c d" . docker)
  :ensure t
  :diminish
  :init
  (use-package docker-image   :commands docker-images)
  (use-package docker-volume  :commands docker-volumes)
  (use-package docker-network :commands docker-containers)
  (use-package docker-compose :commands docker-compose)

  (use-package docker-container
    :commands docker-containers
    :custom
    (docker-containers-shell-file-name "/bin/bash")
    (docker-containers-show-all nil)))

(use-package docker-compose-mode
  :defer t
  :ensure t
  :mode "docker-compose.*\.yml\\'")

(use-package dockerfile-mode
  :defer t
  :ensure t
  :mode "Dockerfile[a-zA-Z.-]*\\'")

(use-package protobuf-mode
  :defer t
  :ensure t
  :mode "\\.proto\\'")

(provide 'init-programming)

;;; init-programming.el ends here