emacs/config/ide.org

#+title: IDE Config
#+author: Evie Litherland-Smith
#+email: evie@xenia.me.uk
#+filetags: :emacs:config:org:
#+property: header-args:emacs-lisp :tangle yes :mkdirp yes :results output silent

#+begin_src emacs-lisp
  (use-package rainbow-delimiters
    :ensure t
    :diminish
    :hook (prog-mode))

  (use-package direnv
    :ensure t
    :diminish
    :custom (direnv-always-show-summary nil)
    :config (direnv-mode +1))
#+end_src

* Grand Unified Debugger
#+begin_src emacs-lisp
  (with-eval-after-load 'gud
    (customize-set-variable 'gdb-many-windows t))
#+end_src

* Tree-sitter
Set treesit to fontify all elements, default was 3 (out of 4)
#+begin_src emacs-lisp
  (use-package treesit
    :diminish
    :custom
    (treesit-font-lock-level 3))

  (use-package treesit-auto
    :diminish
    :after (treesit)
    :config
    (treesit-auto-add-to-auto-mode-alist)
    (global-treesit-auto-mode +1))

  (with-eval-after-load 'rust-mode
    (setq rust-ts-mode-hook rust-mode-hook))
#+end_src

* Eldoc
#+begin_src emacs-lisp :tangle yes
  (use-package eldoc
    :ensure t
    :diminish
    :custom
    (eldoc-echo-area-display-truncation-message nil)
    (eldoc-echo-area-prefer-doc-buffer t)
    (eldoc-echo-area-use-multiline-p nil))
#+end_src

* Eglot LSP
#+begin_src emacs-lisp
  (use-package eglot
    :ensure t
    :diminish
    :demand
    :bind (("C-c c e" . eglot)
           ("C-c c C-e" . eglot-reconnect)
           ("C-c c a" . eglot-code-actions)
           ("C-c c r" . eglot-rename))
    :hook (((nix-mode
             python-base-mode
             rust-ts-mode
             fortran-mode
             f90-mode
             js-ts-mode)
            . eglot-ensure)
           (eglot-managed-mode . (lambda () (add-to-list 'flymake-diagnostic-functions #'eglot-flymake-backend))))
    :custom
    (eglot-extend-to-xref t)
    (eglot-autoshutdown t)
    (eglot-autoreconnect nil)
    :config
    (setq eglot-stay-out-of '(flymake))
    (setq-default eglot-workspace-configuration
                  '( :pylsp
                     ( :plugins
                       ( :jedi_completion
                         ( :enabled t
                           :include_params t
                           :include_class_objects t
                           :include_function_objects t
                           :fuzzy t)
                         :jedi_definition (:enabled t)
                         :jedi_hover (:enabled t))))))
#+end_src

* Apheleia formatting
#+begin_src emacs-lisp
  (use-package apheleia
    :ensure t
    :diminish
    :bind (("C-c c f" . apheleia-format-buffer))
    :hook (prog-mode)
    :custom (apheleia-remote-algorithm 'local)
    :config
    (add-to-list 'apheleia-formatters '(alejandra . ("alejandra")))
    (add-to-list 'apheleia-mode-alist '(nix-mode . alejandra))
    (add-to-list 'apheleia-mode-alist '(python-ts-mode . ruff))
    (add-to-list 'apheleia-mode-alist '(python-mode . ruff)))
#+end_src
* Flymake
#+begin_src emacs-lisp :tangle yes
  (use-package flymake
    :ensure t
    :bind (("C-c C-." . flymake-goto-next-error)
           ("C-c C-," . flymake-goto-prev-error))
    :hook (prog-mode . flymake-mode)
    :config (require 'flymake-collection))
#+end_src

** Diagnostics in popup
#+begin_src emacs-lisp :tangle yes
  (use-package flymake-popon
    :ensure t
    :after flymake
    :diminish
    :config
    (global-flymake-popon-mode +1))
#+end_src

** flymake-collection
#+begin_src emacs-lisp
  (use-package flymake-collection
    :ensure t
    :diminish
    :defer
    :after flymake)

  (with-eval-after-load 'python
    (add-hook 'python-base-mode-hook
              (defun python-mode-setup-flymake ()
                (add-hook 'flymake-diagnostic-functions 'flymake-collection-mypy nil t))))
#+end_src

** shellcheck
#+begin_src emacs-lisp
  (use-package flymake-shellcheck
    :ensure t
    :after flymake
    :diminish
    :hook (sh-mode . flymake-shellcheck-load))
#+end_src

** clippy
#+begin_src emacs-lisp
  (use-package flymake-clippy
    :ensure t
    :after flymake
    :diminish
    :hook ((rust-mode rust-ts-mode) . flymake-clippy-setup-backend))
#+end_src

** eslint
#+begin_src emacs-lisp
  (use-package flymake-eslint
    :ensure t
    :after flymake
    :diminish
    :hook (js-ts-mode . flymake-eslint-enable))
#+end_src

** ruff
#+begin_src emacs-lisp
  (use-package flymake-ruff
    :ensure t
    :after flymake
    :diminish
    :hook (python-base-mode . flymake-ruff-load))
#+end_src

* Project
#+begin_src emacs-lisp
  (setq project-switch-use-entire-map t
        project-switch-commands '((project-find-file "Find file")
                                  (project-find-regexp "Find regexp")
                                  (project-find-dir "Find directory")
                                  (project-eshell "Eshell")
                                  (magit-project-status "Magit")))
#+end_src
* Version control
** Magit
#+begin_src emacs-lisp
  (use-package magit
    :ensure t
    :diminish
    :bind (("C-c g g" . magit-status)
           ("C-c g d" . magit-dispatch)
           ("C-c g f" . magit-file-dispatch)
           ("C-c g p" . magit-pull)
           ("C-c g P" . magit-push)
           ("<remap> <project-vc-dir" . magit-project-status)
           :map project-prefix-map
           ("m" . magit-project-status))
    :custom
    (magit-display-buffer-function 'magit-display-buffer-same-window-except-diff-v1)
    (magit-define-global-key-bindings nil)
    (magit-clone-default-directory "~/Projects/")
    (magit-clone-set-remote.pushDefault t)
    (magit-commit-show-diff nil)
    (magit-commit-diff-inhibit-same-window t)
    (magit-diff-adjust-tab-width t)
    (magit-diff-refine-hunk 'all)
    (magit-diff-refine-ignore-whitespace t)
    (magit-clone-name-alist '(("\\`\\(?:github:\\|gh:\\)?\\([^:]+\\)\\'" "github.com" "github.user")
                              ("\\`\\(?:gitlab:\\|gl:\\)\\([^:]+\\)\\'"  "gitlab.com" "gitlab.user")
                              ("\\`\\(?:sourcehut:\\|sh:\\)\\([^:]+\\)\\'" "git.sr.ht" "sourcehut.user")
                              ("\\`\\(?:gitea:\\|gt:\\)\\([^:]+\\)\\'" "git.xenia.me.uk" "gitea.user"))))
#+end_src

* Aggressive Indent
#+begin_src emacs-lisp
  (use-package aggressive-indent
    :ensure t
    :diminish
    :hook (elisp-mode
           lisp-mode
           lisp-data-mode
           rust-mode))
#+end_src
* Language-specific settings
** Nix
#+begin_src emacs-lisp
  (use-package nix-mode
    :mode "\\.nix\\'"
    :config
    (require 'nix)
    (require 'nix-flake)
    (require 'nix-repl)
    (require 'nix-store)
    (nix-prettify-global-mode +1))
#+end_src

** Nushell
#+begin_src emacs-lisp
  (use-package nushell-ts-mode
    :mode "\\.nu\\'")
#+end_src

** Python
Set fill column to 88 and enable display in python buffers
#+begin_src emacs-lisp :tangle yes
  (defun my/enable-fill-column (col)
    "Set and enable fill column"
    (set-fill-column col)
    (display-fill-column-indicator-mode +1))

  (use-package python
    :defer t
    :custom
    (python-check-command (cond ((executable-find "ruff")
                                 "ruff check --output-format=pylint")
                                ((executable-find "pyflakes")
                                 "pyflakes")
                                ((executable-find "epylint")
                                 "epylint")
                                (t "pyflakes")))
    :config
    (setq python-ts-mode-hook python-mode-hook)
    (add-hook 'python-base-mode-hook (lambda () (my/enable-fill-column 88))))
#+end_src

** Rust
#+begin_src emacs-lisp
  (use-package cargo
    :hook (rust-ts-mode . cargo-minor-mode))
#+end_src