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.emacs
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;;; -*- lexical-binding: t -*-
;; NOTE: this file is accompanied by .emacs.d/early-init.el, many vars are set there
;;;; Installation of packages required by this config:
;; It's unfortunately a bit involved, but not too much.
;;
;; 1. In `.emacs' remove `:defer t', so all packages required by use-package would be
;; searched immediately. You'll restore them later
;; 2. Insert at the top of .emacs:
;; (require 'use-package-ensure)
;; (setq use-package-always-ensure t)
;; then start emacs.
;; Allows in a case of an ∞ loop send with «killall -SIGUSR1 emacs» to break it
(setq debug-on-event 'sigusr1)
(define-key special-event-map [sigusr2]
(lambda () (interactive)
(save-some-buffers t)
(kill-emacs)))
(setq
compile-command "ninja -C build"
;; * `interactive-only' warns about replace-regexp, and I tried rewriting this
;; function in terms of others — the simple loop they documented is not what I get.
;; * `docstring' works around poorly designed behavior of single quotes
;; https://emacs.stackexchange.com/questions/73047/emacs-29-docstring-single-quote-escaping-rules-compiler-level-event#comment135034_73048
byte-compile-warnings '(not interactive-only docstrings))
;; Turn off the bars
(tool-bar-mode -1)
(menu-bar-mode -1)
(toggle-indicate-empty-lines) ;; visually indicate where a file ends
(bind-key "C-x C-c" nil) ;; I never use it, but do accidentally press
(bind-key "C-x s" 'save-buffer) ;; I accidentally press it instead of C-x C-s
(bind-key "<f1>" nil) ; am not using it in Emacs, but do globally for recording
(add-to-list 'load-path "~/.emacs.d/lisp")
(custom-set-faces
;; custom-set-faces was added by Custom.
;; If you edit it by hand, you could mess it up, so be careful.
;; Your init file should contain only one such instance.
;; If there is more than one, they won't work right.
'(default ((t (:family "Ubuntu Mono" :foundry "unknown" :slant normal :weight normal :height 95 :width normal))))
;; make some evil-goggle colors to look fancier than the default boring gray
'(evil-goggles-change-face ((t (:background "#ffcccc"))))
'(evil-goggles-delete-face ((t (:background "#ffcccc"))))
'(evil-goggles-paste-face ((t (:background "#bbffbb"))))
'(evil-goggles-undo-redo-add-face ((t (:background "#bbffbb"))))
'(evil-goggles-undo-redo-change-face ((t (:background "#bbffbb"))))
'(evil-goggles-undo-redo-remove-face ((t (:background "#bbffbb"))))
'(evil-goggles-yank-face ((t (:background "#ffff55"))))
'(evil-goggles-indent-face ((t (:background "light blue"))))
'(fixed-pitch ((t (:inherit default)))) ; isn't inherited by default
'(font-lock-comment-face ((t (:foreground "dim gray" :slant italic :weight bold))))
'(font-lock-doc-face ((t (:foreground "blue"))))
'(font-lock-doc-string-face ((t (:foreground "medium blue" :slant italic))))
'(font-lock-function-name-face ((t (:foreground "magenta"))))
'(font-lock-keyword-face ((t (:foreground "blue"))))
'(font-lock-preprocessor-face ((t (:inherit font-lock-builtin-face :underline t))))
'(font-lock-type-face ((t (:foreground "ForestGreen"))))
'(fringe ((t (:background "grey95" :foreground "blue"))))
'(line-number ((t (:inherit (shadow default)))))
'(mode-line ((t (:background "light yellow" :foreground "dim gray"))))
'(mode-line-inactive ((t (:background "dim gray" :foreground "white"))))
'(region ((t (:background "gray")))))
;; >> Dynamic font calculation based on current screen size
(defun my-best-font-size (screen-height-mm)
"Calculates comfortable font size for the screen that Emacs is on"
(cond
((<= screen-height-mm 250) 105)
(t 95)))
(defvar my-last-screen-height (make-hash-table :test 'equal))
(defun my-set-best-font-size ()
"Sets font size based on the screen height. Differently sized screens may
have same resolution, so we're interested in height millimeters."
(let ((curr-screen-height (nth 2 (assoc 'mm-size (frame-monitor-attributes))))
(last-screen-height (gethash (selected-frame) my-last-screen-height)))
(when (and curr-screen-height ; terminal would have it equal nil
(/= (or last-screen-height 0) curr-screen-height))
(set-face-attribute 'default (selected-frame) :height (my-best-font-size curr-screen-height))
(puthash (selected-frame) curr-screen-height my-last-screen-height))))
;; << Dynamic font calculation based on current screen size
(defalias 'ar 'align-regexp)
(defalias 'ss 'server-start)
(custom-set-variables
;; custom-set-variables was added by Custom.
;; If you edit it by hand, you could mess it up, so be careful.
;; Your init file should contain only one such instance.
;; If there is more than one, they won't work right.
'(company-dabbrev-downcase nil)
'(custom-safe-themes
'("e9460a84d876da407d9e6accf9ceba453e2f86f8b86076f37c08ad155de8223c" "a1289424bbc0e9f9877aa2c9a03c7dfd2835ea51d8781a0bf9e2415101f70a7e" "54a63c60d03a025672ad021381a8bf96788c045908593d535fadb3695fd852c6" default))
'(inhibit-startup-screen t)
'(package-selected-packages
'(yasnippet-snippets evil-surround text-mode sp-sublimetext-like smartparens-config emvil autorevert avy evil-goggles undo-fu xr aggressive-fill-paragraph lsp-mode symbol-overlay evil evil-magit magit racer ## smex async go-mode winum company-ngram flycheck-rust php-mode htmlize csharp-mode meson-mode surround ess minizinc-mode rainbow-delimiters atom-dark-theme highlight-numbers color-identifiers-mode company-anaconda anaconda-mode markdown-mode yasnippet smartparens slime pretty-symbols paredit lua-mode idomenu highlight-parentheses helm-company emms ctypes company-c-headers cmake-mode autopair))
'(semantic-imenu-bucketize-file nil)
'(semantic-imenu-bucketize-type-members nil)
'(semantic-imenu-buckets-to-submenu nil)
'(send-mail-function 'smtpmail-send-it)
'(smtpmail-smtp-server "smtp.yandex.com")
'(smtpmail-smtp-service 25))
(defun add-list-to-list (dst src)
"Similar to `add-to-list', but accepts a list as 2nd argument"
(set dst
(append (eval dst) src)))
(defun my-tramp-root-mode-line-indicator ()
"Add a red 'root' indicator to the mode line when editing as tramp-root."
(when (and buffer-file-name (string-match "^/sudo:" buffer-file-name))
(let ((root-indicator '((:eval (propertize " root " 'face '(:foreground "red"))))))
(setq mode-line-format
(append (list (nth 0 mode-line-format) (nth 1 mode-line-format))
root-indicator
(nthcdr 2 mode-line-format))))))
(add-hook 'find-file-hook 'my-tramp-root-mode-line-indicator)
(unless (package-installed-p 'use-package)
(package-install 'use-package))
(use-package package
:defer t
:config
(push '("melpa" . "https://melpa.org/packages/")
package-archives)
)
(use-package flycheck
:defer t
:init
(setq flycheck-check-syntax-automatically '(save)) ;; I only want it on save
:custom-face
(flycheck-error-list-warning ((t (:inherit warning :foreground "blue"))))
(flycheck-fringe-warning ((t (:inherit warning :foreground "blue"))))
(flycheck-warning ((t (:underline (:color "blue" :style wave)))))
:config
(defun myactions-flycheck-mode-hook ()
(when (and (bound-and-true-p flycheck-mode) ;; flycheck hooks is called upon disabling it
(bound-and-true-p haskell-mode))
(flycheck-haskell-setup)
))
(add-hook 'flycheck-mode-hook 'myactions-flycheck-mode-hook)
(add-to-list 'flycheck-clang-warnings "-Wno-missing-braces")
(add-to-list 'flycheck-clang-args "-frelaxed-template-template-args")
)
(use-package minibuffer
:defer t
:init
;; we want partial-completion to be the default one
(setq completion-styles '(partial-completion basic emacs22)))
(use-package company
:defer nil ;; :bind implies `defer t', override it
:bind ("s-/" . company-complete)
:init
(setq company-minimum-prefix-length 3
company-idle-delay 0.2 ;; delay before completition
)
:bind (:map company-active-map
("C-n" . nil)
("C-p" . nil)
("M-n" . 'company-select-next)
("M-p" . 'company-select-previous)
(:map company-search-map
("C-n" . nil)
("C-p" . nil)
("M-n" . 'company-select-next)
("M-p" . 'company-select-previous)))
:config
(global-company-mode 1)
(add-list-to-list 'company-dabbrev-code-modes
'(c++-mode c-mode php-mode))
)
(use-package company-box
:hook (company-mode . company-box-mode))
(use-package yasnippet
:defer 2 ;; lazy-load after 2 seconds of being idle
:config
(use-package yasnippet-snippets)
(yas-global-mode)
)
(use-package autorevert
:init
(setq
;; Do not break markers in a buffer upon reverting a buffer. Details:
;; https://github.com/magit/magit/issues/4442
revert-buffer-insert-file-contents-function 'revert-buffer-insert-file-contents-delicately
;; For some undocumented reason Emacs uses both inotify and polls on
;; files. That's stupid, just a waste of resources, sure let's avoid that.
auto-revert-avoid-polling t)
:config
;; Auto-revert buffers, whose files changed on disk. NOTE: even if I don't use the
;; mode per se (because the "on-focus" hook seems to be enough), the
;; `auto-revert-buffers' won't work without it being enabled.
(global-auto-revert-mode 1)
(defun my-on-focus-hook ()
(when (frame-focus-state)
(auto-revert-buffers)
(my-set-best-font-size)))
(add-function :after after-focus-change-function #'my-on-focus-hook)
)
(add-list-to-list 'auto-mode-alist
'(("\\.m$" . octave-mode)
("\\.service\\'" . conf-mode)
("\\.rules\\'" . conf-mode)
("\\.glade$\\'" . xml-mode)
("\\.mzn\\'" . minizinc-mode)
("[Dd]ockerfile[^.]*$" . dockerfile-mode)
("\\tsx\\'" . tsx-ts-mode)
))
(defun sort-lines-nocase (beg end)
(defvar sort-fold-case nil)
(let ((sort-fold-case t))
(sort-lines nil beg end)))
(defun replace-char-after (character-number replacement)
"Replaces char in the buffer after the `character-number' with `replacement'"
(save-excursion
(goto-char character-number)
(delete-char 1)
(insert-char replacement)))
(defun replace-delimiters (old-closing-char new-opening-char new-closing-char opening-point end-point)
"Replaces delimiters between `opening-point' and the
`end-point'. Note, that the `opening-point' should point to the
opening symbol, thus the function seeks only the closing"
(cl-block replace-delimiters
(let ((closing-point opening-point))
(setq closing-point (+ 1 opening-point))
(while (< closing-point end-point)
(if (eq (char-after closing-point) ?\n) ;;no closing delimiter
(progn
(print "Err: no closing delimiter")
(cl-return-from replace-delimiters nil))
(when (eq (char-after closing-point) old-closing-char)
(progn
(replace-char-after opening-point new-opening-char);;opening delimiter
(replace-char-after closing-point new-closing-char);;closing delimiter
(cl-return-from replace-delimiters (+ 1 closing-point)))))
(setq closing-point (+ closing-point 1))))))
(defun swap-<-and-quote-includes (beg end)
"Swaps in the text between `beg' and `end' the matching «<» and
«>» character to the \" quote, and vice versa. Mainly used
before sorting to swap the order of these characters, next
after the sort to restore the text."
(cl-block swap-<-and-quote-includes
(let ((curr-point beg))
(while (< curr-point end)
(setq curr-point (+ curr-point 1))
;;first check «"»
(if (eq (char-after curr-point) ?\")
(progn
(setq curr-point (replace-delimiters ?\" ?< ?> curr-point end))
(if (eq curr-point nil)
(cl-return-from swap-<-and-quote-includes t)))
;;else if «<»
(if (eq (char-after curr-point) ?<)
(progn
(setq curr-point (replace-delimiters ?\> ?\" ?\" curr-point end))
(if (eq curr-point nil)
(cl-return-from swap-<-and-quote-includes t)))))))))
(defun sort-paragraphs-with-keyword (string)
"Sorts statements with the `string', case insensitive"
(save-excursion
(let (beg end)
(goto-char (point-min))
(while (and (not (looking-at string));;look for includes, if no then
(eq (forward-line 1) 0) ;;go one line down (if not EOF).
))
(setq beg (point))
(while (and (looking-at string)
(eq (forward-line 1) 0)));;to not hang cuz of EOF
(setq end (point))
(sort-lines-nocase beg end)
)))
(defun c-sort-includes ()
"Sorts #include statements"
(interactive)
(save-excursion
(let (beg end orig-content sorted-content)
(goto-char (point-min))
(while (and (not (looking-at "#include "));;look for includes, if no then
(eq (forward-line 1) 0) ;;go one line down (if not EOF).
))
(setq beg (point))
(while (and (looking-at "#include ")
(eq (forward-line 1) 0)));;to not hang cuz of EOF
(setq end (point))
(setq orig-content (buffer-substring-no-properties beg end))
(setq sorted-content (with-temp-buffer
(insert orig-content)
(swap-<-and-quote-includes (point-min) (point-max)) ;;swap characters < and > in includes
(sort-lines-nocase (point-min) (point-max)) ;;sort
(swap-<-and-quote-includes (point-min) (point-max)) ;;swap the characters back
(buffer-string)))
(when (not (string= orig-content sorted-content))
(kill-region beg end)
(insert sorted-content))
)))
(defun csharp-sort-usings ()
"Sorts using statements by length(for csharp))"
(interactive)
(save-excursion
(let (beg end)
(goto-char (point-min))
(while (and (not (looking-at "using "));;look for usings, if no then
(eq (forward-line 1) 0) ;;go one line down (if not EOF).
))
(setq beg (point))
(while (and (looking-at "using ")
(eq (forward-line 1) 0)));;to not hang cuz of EOF
(setq end (point))
(sort-lines-nocase beg end))))
;;Ponification syntax table for c=like lamguages
(defun init-prettify-table-c-like ()
(setq prettify-symbols-alist (list
'("!=" . ?≠)
'(">=" . ?≥)
'("<=" . ?≤)
;;'("null" . ?∅)
;;'("NULL" . ?∅)
;;'("nullptr" . ?∅)
;; '("int" . ?ℤ)
'("..." . ?…)
;; '("float" . ?ℚ);;rational numbers
)))
(defun myactionsfor-c-mode-common-hook ()
(fix-c-style-indentation)
(turn-on-auto-fill) ;;auto fill mode for c modes.
(when (derived-mode-p 'c-mode 'c++-mode 'java-mode 'csharp-mode 'lua-mode)
(init-prettify-table-c-like)
(prettify-symbols-mode 1)
(if (derived-mode-p 'c-mode)
(setq flycheck-clang-language-standard "c11")
(setq flycheck-clang-language-standard "c++17"))
))
(use-package cc-mode
:defer t
:hook (c-mode-common . myactionsfor-c-mode-common-hook)
)
(defun exec-cmd-foreach-backward (regex cmd begin end)
"Executes a command for every match of group #1. Searches
backward, so you can mutate text forward"
(save-excursion
(goto-char end)
(while (re-search-backward regex begin t)
(goto-char (match-beginning 1))
(funcall cmd)
)))
(defun expand-c-args-in-region ()
(interactive)
(let ((re (if (member major-mode '(purescript-mode haskell-mode))
"\\(\\), " ; the style where comma goes first
",\\( \\)")))
(exec-cmd-foreach-backward re 'newline-and-indent
(region-beginning) (region-end))))
(use-package csharp-mode
:defer t
:config
(defun myhook-csharp-mode ()
(flycheck-mode -1) ;; for some reason it lags with C#
(c-set-offset 'innamespace '+)
(make-local-variable 'before-save-hook)
(add-hook 'before-save-hook 'csharp-sort-usings))
:hook (csharp-mode . myhook-csharp-mode)
)
(use-package term
:defer t
:config
(yas-minor-mode -1) ;; useless in term-mode, and causes troubles with <tab>
;; (global-set-key (kbd "<RET>")
;; (lambda ()
;; (comint-truncate-buffer)
;; (term-send-input)
;; ))
)
(use-package avy
:config
(setq avy-case-fold-search nil) ;; make searches case sensitive. Well, at least
;; upcase ones, that as good as avy allows.
)
(use-package lsp-mode
:defer t
:init
(setq lsp-enable-indentation nil ;; I prefer default indentation functional
lsp-enable-on-type-formatting nil ;; don't reformat my code
;; disable "path in project + in class hierarchy" header. Not useful to me.
lsp-headerline-breadcrumb-enable nil
;; don't show signature/docs in the minibuffer. For me it's almost never useful; at
;; the same time, I find annoying that it overrides flycheck messages.
lsp-eldoc-enable-hover nil
;; For these purposes I use symbol-overlay mode instead. Not that am against having
;; the two at the same time, but due to some bug in either clangd or lsp-mode, on
;; rare occasions I get the wrong symbol highlighted. So let's just disable that.
lsp-enable-symbol-highlighting nil
lsp-pylsp-plugins-pydocstyle-enabled nil
lsp-lens-enable nil ;; more doc annotations, disable them
lsp-completion-default-behaviour :insert ;; in foo|buzz complete to foobar|buzz \wout eating buzz
;; even if given python project has typing utterly broken, mypy still gives
;; immensely useful syntax checking that is lacking otherwise with pyls.
lsp-pylsp-plugins-mypy-live-mode nil
lsp-pylsp-plugins-mypy-enabled t
)
(defun evil-lsp-find-definition (_string _position)
(condition-case nil
(lsp-find-definition)
('error nil)
(:success t)))
:config
(defun myactionsfor-lsp-mode-hook ()
(set (make-local-variable 'company-backends)
;; lsp-mode provides company-capf. company-lsp they say not supported, Idk
;; why. Perhaps because last commit was at 2019, so it may be unmaintainted
'(company-capf company-etags company-dabbrev))
)
(add-hook 'lsp-mode-hook 'myactionsfor-lsp-mode-hook)
;; even if given python project has typing utterly broken, mypy still gives
;; immensely useful syntax checking that is lacking otherwise with pyls.
(lsp-register-custom-settings '(("pyls.plugins.pyls_mypy.enabled" t t)
("pyls.plugins.pyls_mypy.live_mode" nil t)))
;; I am forgetting the actual name to apply a "fix available" of clangd, because
;; it's a bit non-intuitive. So let's alias it to somethig clearer
(defalias 'lsp-apply-fix 'lsp-execute-code-action)
)
(use-package emvil ;; my Evil config, in a separate file
:ensure nil)
(use-package ido
:init
(setq-default ido-case-fold t) ;; case insensistivity
(setq ido-enable-flex-matching t) ;; fuzzy match
:config
(ido-mode)
)
(use-package smex
:bind ("M-x" . smex)
:config
(smex-initialize)
)
;; visible whitespace config
;; (setq whitespace-style (list 'face 'tabs 'spaces 'space-before-tab 'empty 'space-mark 'tab-mark))
;; (global-whitespace-mode 1) commented out due to problems with markdown
;; scrolling related changes
(setq mouse-wheel-scroll-amount '(3 ((shift) . 1)) ;; three line at a time
mouse-wheel-progressive-speed nil ;; don't accelerate scroll
mouse-wheel-follow-mouse t ;; scroll window under mouse
scroll-step 2) ;; keyboard scroll two lines at a time
;;A few c-like indentation fixes follows
(setq-default indent-tabs-mode nil)
(setq c-default-stile "stroustrup"
c-basic-offset 4)
(defun fix-c-style-indentation ()
"Fixes indentation for c-like langs"
(c-set-offset 'case-label '+)
(c-set-offset 'innamespace 0);;don't indent namespaces
(c-set-offset 'func-decl-cont 0)
(c-set-offset 'cpp-macro 0 nil)
(c-set-offset 'substatement-open 0) ;; brackets the same level as the statement
(c-set-offset 'statement-case-open 0) ;; last `{' after `switch() { case foo: {` on the same level
(c-set-offset 'brace-list-intro c-basic-offset) ;; enums
(c-set-offset 'inextern-lang 0) ;; extern "C" { … }
(c-set-offset 'inlambda '+) ;; extern "C" { … }
)
(use-package lisp-mode
:defer t
:init
;; the inferior-lisp-program is actually defined by `inf-lisp' but should work
(setq inferior-lisp-program "/usr/bin/sbcl")
:config
(add-hook 'lisp-mode-hook (lambda ()
(turn-on-auto-fill)
))
)
;;Make C-a key to work as the home key in a most code editors
(defun smarter-move-beginning-of-line (arg)
"Move point back to indentation of beginning of line.
Move point to the first non-whitespace character on this line.
If point is already there, move to the beginning of the line.
Effectively toggle between the first non-whitespace character and
the beginning of the line.
If ARG is not nil or 1, move forward ARG - 1 lines first. If
point reaches the beginning or end of the buffer, stop there."
(interactive "^p")
(setq arg (or arg 1))
; Move lines first
(when (/= arg 1)
(let ((line-move-visual nil))
(forward-line (1- arg))))
(let ((orig-point (point)))
(back-to-indentation)
(when (= orig-point (point))
(move-beginning-of-line 1))))
; remap C-a to `smarter-move-beginning-of-line'
(global-set-key [remap move-beginning-of-line]
'smarter-move-beginning-of-line)
(defun clipboard-yank-fixed ()
"A version of clipboard-yank that pastes \"instead\" of selection if one
exists"
(interactive)
(when (use-region-p)
(kill-region (region-beginning) (region-end)))
(let ((select-enable-clipboard t))
(clipboard-yank)))
(bind-key "C-y" 'clipboard-yank-fixed)
(defun clipboard-copy-fixed ()
(interactive)
(let ((select-enable-clipboard t))
(clipboard-kill-ring-save (region-beginning) (region-end))))
(bind-key "M-w" 'clipboard-copy-fixed)
(defun copy-text-to-clipboard (text)
(with-temp-buffer
(insert text)
(clipboard-kill-region (point-min) (point-max))))
(defun copy-obj-to-clipboard (obj)
(copy-text-to-clipboard (prin1-to-string obj)))
(defalias 'obj-to-string #'prin1-to-string)
(defun what-face (pos)
(interactive "d")
(let ((face (or (get-char-property (point) 'read-face-name)
(get-char-property (point) 'face))))
(if face (message "Face: %s" face) (message "No face at %d" pos))))
(defun align-regexp-with-spaces (orig-func BEG END REGEXP &optional GROUP SPACING REPEAT)
"Make align-regexp always align with spaces rather than tabs"
(let ((indent-tabs-mode nil))
(funcall orig-func BEG END REGEXP GROUP SPACING REPEAT)))
(advice-add 'align-regexp :around #'align-regexp-with-spaces)
(defun kmacro-call-macro-no-ding (orig-func arg &optional no-repeat end-macro macro)
"Make mistyped search while recording a macro never break the replay"
(let ((isearch-wrap-pause 'no-ding))
(funcall orig-func arg no-repeat end-macro macro)))
(advice-add 'kmacro-call-macro :around #'kmacro-call-macro-no-ding)
(defun evil-exchange-point-and-mark (orig-func &optional arg)
"Move caret one char to the right before passing control
over. Needed in my case because I use `exchange-point-and-mark'
to select last pasted text, and I usually go to normal mode
before doing that, whic by itself makes caret move one char left"
(when (and (memq evil-state '(visual normal))
(< (point) (point-max)))
(forward-char))
(funcall orig-func arg))
(advice-add 'exchange-point-and-mark :around #'evil-exchange-point-and-mark)
;;I am using only eng and ru layout, and sometimes TeX. So it would be better to use layout toggling
;;only with this two layouts, and don't mess it with TeX or whatever some day come in my mind to try.
(defun input-switch-eng-ru ()
(interactive)
"Swithes an input methods between russian and english.
Works just as the standard «toggle-input-method»(and in fact
calls it), but before checks if an input method one of russian or
english. If it isn't, set the lang to english."
(if (not current-input-method)
(set-input-method "russian-computer")
(deactivate-input-method)))
(bind-key "C-\\" 'input-switch-eng-ru)
(global-set-key (kbd "s-\\") (lambda () (interactive);;sets input method to «TeX»
(set-input-method "TeX")))
(define-key isearch-mode-map "\C-g" nil) ;; I like to interrupt search immediately
(defun improved-newline-and-indent()
"Calls `newline-and-indent' always with an exception of being
called insede of '{}' braces. In this case it throws the braces
in a few lines, and puts the cursor at the middle line"
(interactive "*")
(if (and (eq (char-before) ?{);;if inside "{|}"
(eq (char-after) ?}))
(progn
(when (bound-and-true-p smartparens-mode)
;; smartparens tries to do the same thing as me, but fails at that,
;; because it only works when I just typed the pair. Otherwise it does
;; nothing.
;;
;; So I tried detecting the situation, but it gets worse: sometimes the
;; sp-last-inserted-pair is set, other times it isn't. All in all, the
;; only way to work around this problem seems to be to restart the
;; mode.
(smartparens-mode 0)
(smartparens-mode 1))
(indent-according-to-mode) ;; indent the line
(newline 2) ;; 2 newlines
(indent-according-to-mode) ;; indent the line
(forward-line -1)
(indent-according-to-mode) ;; indent the line
)
(newline-and-indent)))
(bind-key "C-w" 'clipboard-kill-region)
(bind-key "s-y" 'yank)
(use-package idomenu
:bind ("s-i" . idomenu))
(bind-key "<RET>" 'improved-newline-and-indent)
(global-set-key (kbd "<f11>") (lambda () (interactive) (ff-find-other-file nil t))) ;switch between a corresponding c/c++ header and a file
(bind-key "<C-mouse-4>" 'text-scale-decrease);set in wheel font decrease
(bind-key "<C-mouse-5>" 'text-scale-increase);set in wheel font increase
(use-package highlight-numbers
:init
(defun enable-highlight-numbers-mode ()
;; the mode breaks rendering in the following modes. The upstream fix would
;; simple (or not): the
;; `((,regexp . 'highlight-numbers-number))
;; line has to be replaced with
;; `((,regexp . (0 highlight-numbers-number prepend)))
;; or something similar. Unfortunately it makes font-lock fail with "unknown
;; variable highlight-numbers-number" even though it is not not a variable but a
;; facename and the syntax is correct per `font-lock-keywords' Help. That's as
;; much of a motivation I had to debug that.
(unless (derived-mode-p 'eww-mode 'diff-mode)
(highlight-numbers-mode t)))
(define-globalized-minor-mode global-highlight-numbers-mode
highlight-numbers-mode enable-highlight-numbers-mode)
:config
(set-face-attribute 'highlight-numbers-number nil :weight 'bold :foreground "blue" :background "light gray")
(global-highlight-numbers-mode)
)
(column-number-mode)
(delete-selection-mode)
;; setup and enable flyspell mode
(setq-default flyspell-issue-message-flag nil)
;; (dolist (hook '(c-mode-hook))
;; (add-hook hook (lambda ()
;; (ispell-change-dictionary "english")
;; (flyspell-mode 1)
;; )));;enable for c
;; (dolist (hook '(c++-mode-hook))
;; (add-hook hook (lambda ()
;; (ispell-change-dictionary "english")
;; (flyspell-mode 1)
;; )));;enable for c++
(defun is-in-comment ()
"tests if point is in comment"
(nth 4 (syntax-ppss)))
(defun current-line-string ()
"returns current line as a string"
(buffer-substring-no-properties (line-beginning-position) (line-end-position)))
(use-package smartparens-config
:ensure nil
:init
(setq-default sp-autoskip-closing-pair t) ;; skip only when pair is active
(setq sp-show-pair-from-inside t
sp-escape-quotes-after-insert nil ;; https://github.com/Fuco1/smartparens/issues/783#issuecomment-324598759
sp-python-insert-colon-in-function-definitions t)
:config
(use-package sp-sublimetext-like :ensure nil) ;; sublime-like behavior of smartparens
(smartparens-global-mode 1)
(show-smartparens-global-mode 1)
;; I use smartparens which can highlight matching pairs, so I don't need
;; emacs's default blink parenthesis functionality
(setq blink-paren-function nil)
(defun maybe-add-semicolon-paren (_id action _context)
"A helper function that inserts semicolon after closing
parentheses when appropriate. Mainly useful in C, C++, and other
languages with similar syntax"
;; here, caret supposed to be in between parens, i.e. (|)
(when (and (eq action 'insert)
(looking-at ")\\s-*$")
(not (is-in-comment))
(not (string-match-p
(regexp-opt '("if" "else" "switch" "for" "while" "do" "define") 'words)
(current-line-string))))
(save-excursion
(forward-char) ;; skip closing brace
(insert ";"))))
(defun maybe-add-semicolon-paren-rust (_id action _context)
"A helper function that inserts semicolon after closing
parentheses when appropriate, for Rust lang"
;; here, caret supposed to be in between parens, i.e. (|)
(when (and (eq action 'insert)
(looking-at ")\\s-*$")
(not (is-in-comment))
(not (string-match-p
(regexp-opt '("fn" "if" "for" "while") 'words)
(current-line-string))))
(save-excursion
(forward-char) ;; skip closing brace
(insert ";"))))
(defun maybe-add-semicolon-bracket (_id action _context)
"A helper function that inserts semicolon after closing
parentheses when appropriate. Mainly useful in C, C++, and other
languages with similar syntax"
;; here, caret supposed to be in between braces, i.e. {|}
(when (and (eq action 'insert)
(looking-at "}\\s-*$")
(not (is-in-comment))
(string-match-p "\\breturn\\b" (current-line-string)))
(save-excursion
(forward-char) ;; skip closing brace
(insert ";"))))
(defun maybe-complete-lambda (_id action _context)
"Completes C++ lambda, given a pair of square brackets"
(when (eq action 'insert)
(let ((curr-line (current-line-string))
;; try detecting "auto foo = []"
(lambda-assign-regex "=\\s-*\\[\\]$")
;; try detecting "func([])" and "func(arg1, [])"
(lambda-inline-regex "[(,]\\s-*\\[\\]"))
(when (or (string-match-p lambda-assign-regex curr-line)
(string-match-p lambda-inline-regex curr-line))
(save-excursion
;; here, caret supposed to be in between brackets, i.e. [|]
(forward-char) ;; skip closing brace
(insert "() {}")
(when (eolp)
(insert ";"))
)))))
(sp-with-modes '(c-mode c++-mode java-mode csharp-mode vala-mode js-mode)
(sp-local-pair "(" nil :post-handlers '(:add maybe-add-semicolon-paren))
(sp-local-pair "{" nil :post-handlers '(:add maybe-add-semicolon-bracket)))
(sp-local-pair 'c++-mode "[" nil :post-handlers '(:add maybe-complete-lambda))
(sp-local-pair 'rust-mode "(" nil :post-handlers '(:add maybe-add-semicolon-paren-rust))
(defun sp-emacs-style-backtick (_ _ _)
"Text-mode is used for editing the commit messages. Emacs has style where
a backtick ends with a singular quote, so let's check if current dir is
part of Emacs repo, in which case replace the pair that SP inserted."
(when (string-match-p "/emacs/" default-directory)
(save-excursion
(delete-char 1)
(insert "'"))))
(sp-local-pair 'text-mode "`" nil :post-handlers '(:add sp-emacs-style-backtick))
)
;; mode to highlight outside parentheses
(use-package highlight-parentheses
:init
(setq highlight-parentheses-colors nil
highlight-parentheses-background-colors '("light green" "yellow" "orange" "pink"))
:config
(global-highlight-parentheses-mode)
)
(defun large-files-throttling ()
"Disables certain features if file is too large"
(when (> (buffer-size) (* 1024 1024 10))
(highlight-parentheses-mode -1)))
(add-hook 'find-file-hook #'large-files-throttling)
(defun myfunc-before-save-hook ()
(unless (derived-mode-p 'diff-mode)
(delete-trailing-whitespace))
;; (when (derived-mode-p 'c-mode 'c++-mode)
;; (c-sort-includes))
)
(add-hook 'before-save-hook 'myfunc-before-save-hook)
(use-package rust-mode
:defer t
:config
(cl-assert (boundp 'company-backends)) ;; I always use company-mode
(defun myfunc-rust-mode-hook ()
;; note: if racer-mode breaks in some way (e.g. no more completions), do:
;; 1. `rustup component add rust-src` 2. `cargo +nightly install racer --force'
(racer-mode)
(set (make-local-variable 'company-backends)
'(company-capf company-etags company-dabbrev))
)
(add-hook 'rust-mode-hook 'myfunc-rust-mode-hook)
)
(use-package symbol-overlay
:bind ("s-`" . symbol-overlay-put)
:defer nil ;; :bind implies `defer t', override it
:init
(setq symbol-overlay-ignore-functions nil ;; don't ignore keywords in various languages
symbol-overlay-map (make-sparse-keymap)) ;; disable special cmds on overlays
(defun enable-symbol-overlay-mode ()
(unless (or (minibufferp)
(derived-mode-p 'magit-mode)
(derived-mode-p 'xref--xref-buffer-mode))
(symbol-overlay-mode t)))
(define-global-minor-mode global-symbol-overlay-mode ;; name of the new global mode
symbol-overlay-mode ;; name of the minor mode
enable-symbol-overlay-mode)
:config
(global-symbol-overlay-mode)
)
(defun make-«»-pairs ()
;; TODO: I can make it globally by using (standard-syntax-table) but for some
;; reason pairing it makes it think that ( is a pair to ». Looks like a bug to
;; me. Gotta ask on the mailing list.
(modify-syntax-entry ?« "(»")
(modify-syntax-entry ?» ")«"))
(defun common-hook-for-text-modes ()
(make-«»-pairs)
(setq case-fold-search t) ;; ignore case in search
(set (make-local-variable 'dabbrev-upcase-means-case-search) nil) ;; ignore case
(set (make-local-variable 'company-minimum-prefix-length) 2)
(flyspell-mode))
(use-package text-mode
:defer t
:ensure nil
:hook (text-mode . common-hook-for-text-modes)
)
(defun myfunc-gud-gdb-mode ()
(add-hook 'comint-output-filter-functions 'comint-truncate-buffer)
(company-mode 0)
(local-set-key (kbd "C-d") 'delete-char) ;; gdb rebinds the key
)
(add-hook 'gud-mode-hook 'myfunc-gud-gdb-mode)
(add-hook 'gdb-mode-hook (lambda () (add-hook 'comint-output-filter-functions 'comint-truncate-buffer)))
(put 'erase-buffer 'disabled nil)
(defun latin-to-gothic (φp1 φp2 φreverse-direction-p)
"Replace English alphabets to Unicode gothic characters.
For example, A ⇒ 𝔄, a ⇒ 𝔞.
When called interactively, work on current line or text selection.
If any `universal-argument' is called first, reverse direction.
When called in elisp, the φp1 and φp2 are region begin/end positions to work on.
URL `http://ergoemacs.org/misc/thou_shalt_use_emacs_lisp.html'
Version 2015-04-12"
(interactive
(if (use-region-p)
(progn
(list (region-beginning) (region-end) current-prefix-arg ))
(list (line-beginning-position) (line-end-position) current-prefix-arg )))
(let (
(ξlatin-to-gothic [ ["A" "𝔄"] ["B" "𝔅"] ["C" "ℭ"] ["D" "𝔇"] ["E" "𝔈"] ["F" "𝔉"] ["G" "𝔊"] ["H" "ℌ"] ["I" "ℑ"] ["J" "𝔍"] ["K" "𝔎"] ["L" "𝔏"] ["M" "𝔐"] ["N" "𝔑"] ["O" "𝔒"] ["P" "𝔓"] ["Q" "𝔔"] ["R" "ℜ"] ["S" "𝔖"] ["T" "𝔗"] ["U" "𝔘"] ["V" "𝔙"] ["W" "𝔚"] ["X" "𝔛"] ["Y" "𝔜"] ["Z" "ℨ"] ["a" "𝔞"] ["b" "𝔟"] ["c" "𝔠"] ["d" "𝔡"] ["e" "𝔢"] ["f" "𝔣"] ["g" "𝔤"] ["h" "𝔥"] ["i" "𝔦"] ["j" "𝔧"] ["k" "𝔨"] ["l" "𝔩"] ["m" "𝔪"] ["n" "𝔫"] ["o" "𝔬"] ["p" "𝔭"] ["q" "𝔮"] ["r" "𝔯"] ["s" "𝔰"] ["t" "𝔱"] ["u" "𝔲"] ["v" "𝔳"] ["w" "𝔴"] ["x" "𝔵"] ["y" "𝔶"] ["z" "𝔷"] ])
ξuseMap
)
(if φreverse-direction-p
(progn (setq ξuseMap
(mapcar
(lambda (ξx)
(vector (aref ξx 1) (aref ξx 0)))
ξlatin-to-gothic)))
(progn (setq ξuseMap ξlatin-to-gothic)))
(save-excursion
(save-restriction
(narrow-to-region φp1 φp2)
(let ( (case-fold-search nil))
(mapc
(lambda (ξx)
(goto-char (point-min))
(while (search-forward (elt ξx 0) nil t)
(replace-match (elt ξx 1) 'FIXEDCASE 'LITERAL)))
ξuseMap))))))
(defun text-to-html ()
"In active region quotes a spec. chars like «<» and «&», and
inserts «<br>» tag for line breaks"
(interactive)
(let ((start (region-beginning))
(end (region-end)))
(use-package sgml-mode)
(sgml-quote start end)
(replace-regexp "^\\(.*\\)$" "\\1<br>" nil start end)))
(use-package haskell-mode
:defer t
:config
(defun haskell-sort-n-align-imports ()
"Sorts and aligns Haskell imports"
(interactive)
(save-excursion
(goto-char (point-min))
(while (and (not (looking-at "import "));;look for usings, if no then
(eq (forward-line 1) 0) ;;go one line down (if not EOF).
))
(haskell-sort-imports)))
(defun myhook-haskell-mode ()
(haskell-indent-mode)
(make-local-variable 'before-save-hook)
(add-hook 'before-save-hook 'haskell-sort-n-align-imports))
(add-hook 'haskell-mode-hook 'myhook-haskell-mode)
:hook (haskell-mode . myhook-haskell-mode)
)
(use-package shell
:defer t
:config
(defun myfunc-shell-mode ()
(flycheck-mode 1)
)
:hook (shell-mode . myfunc-shell-mode)
)
(use-package ispell
:defer t
:init
;; It's unclear if the default aspell supports multiple langs at once, but Emacs
;; with aspel backend doesn't. Let's use hunspell instead.
(setq ispell-program-name "hunspell")
(setq flyspell-prog-text-faces '(font-lock-comment-face font-lock-doc-face))
:config
(ispell-set-spellchecker-params) ;; ispell initialization, a mandatory call
(ispell-hunspell-add-multi-dic "en_US,ru_RU")
(ispell-change-dictionary "en_US,ru_RU" t) ;; with t set dict globally
)
(use-package markdown-mode
:defer t
:init
(setq-default markdown-enable-math t) ;; enable latex delimiters
(setq markdown-command "pandoc")
(defun my-markdown-hook ()
(common-hook-for-text-modes)
(setq-local evil-shift-width 2))
:custom-face
(markdown-inline-code-face ((t (:inherit markdown-code-face :background "light blue"))))
:config
(add-hook 'markdown-mode-hook 'my-markdown-hook))
(defun just-one-space-region ()
"Replaces every space in active region between words to one
space and removes newlines (useful e.g. to join arguments in a
function declaration), for inactive region calls
`just-one-space'"
(interactive)
(if mark-active
(progn (replace-regexp "\\s-+" " " nil (region-beginning) (region-end))
(replace-regexp "
" "" nil (region-beginning) (region-end)))
(just-one-space)))
(bind-key "M-<SPC>" 'just-one-space-region)
;; Force gdb-mi to not dedicate any windows
(advice-add 'gdb-display-buffer
:around (lambda (orig-fun &rest r)
(let ((window (apply orig-fun r)))
(set-window-dedicated-p window nil)
window)))
(advice-add 'gdb-set-window-buffer
:around (lambda (orig-fun name &optional ignore-dedicated window)
(funcall orig-fun name ignore-dedicated window)