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Better C-style indentation

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This commit is contained in:
Alexander Rosenberg
2025-11-15 02:33:11 -08:00
parent 00b905fad1
commit bf53c657a8
2 changed files with 103 additions and 32 deletions
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71
init.el
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@ -118,6 +118,7 @@
(advice-add 'trusted-content-p :around
#'my/-fix-trusted-content-p-for-remote)
;; Increase responsiveness
(setq gc-cons-threshold 80000000
inhibit-compacting-font-caches t
@ -237,7 +238,8 @@
(bash "https://github.com/tree-sitter/tree-sitter-bash")
(cmake "https://github.com/uyha/tree-sitter-cmake")
(blueprint "https://github.com/huanie/tree-sitter-blueprint")
(kdl "https://github.com/tree-sitter-grammars/tree-sitter-kdl")))
(kdl "https://github.com/tree-sitter-grammars/tree-sitter-kdl")
(php "https://github.com/tree-sitter/tree-sitter-php")))
;; Tree sitter major mode conversions
(dolist (ent '((c-mode . c-ts-mode)
(c++-mode . c++-ts-mode)
@ -250,7 +252,9 @@
(yaml-mode . yaml-ts-mode)
(css-mode . css-ts-mode)
(javascript-mode . js-ts-mode)
(cmake-mode . cmake-ts-mode)))
(cmake-mode . cmake-ts-mode)
;; (go-mode . go-ts-mode) <- doesn't work very well
))
(add-to-list 'major-mode-remap-alist ent))
(defun my/treesit-compile-all (force)
"Compile all the modules defined in `treesit-language-source-alist'.
@ -1812,7 +1816,7 @@ otherwise, call `bibtex-find-text'."
(setq-local indent-line-function 'my/bibtex-indent-line
electric-indent-chars '(?\n ?\{ ?\} ?,)))
(defun my/-bibtex-fix-fill-prefix ()
"`bivtex-mode' has a bad habbit of messing up `fill-prefix'."
"`bivtex-mode' has a bad habit of messing up `fill-prefix'."
(when (eq major-mode 'bibtex-mode)
(setq-local fill-prefix nil)))
(advice-add 'bibtex-mode :after 'my/-bibtex-fix-fill-prefix)
@ -1902,11 +1906,22 @@ otherwise, call `bibtex-find-text'."
(use-package pyvenv)
(use-package pyenv-mode)
;; my own C comment logic
(require 'c-comments)
(defun my/setup-c-style-newline-keys (&rest maps)
"Redefine some newline commands in each of MAPS.
MAPS are expected to be keymaps for modes for languages with C-style comments."
(dolist (map maps)
(keymap-set map "<remap> <newline>" #'c-comments-newline)
(keymap-set map "<remap> <default-indent-new-line>"
#'c-comments-newline-always-continue)))
;; java-ts-mode
(use-package java-ts-mode
:hook ((java-ts-mode . my/eglot-if-trusted)
(java-ts-mode . my/-setup-java-ts-mode))
:config
(my/setup-c-style-newline-keys java-ts-mode-map)
(defun my/-setup-java-ts-mode ()
(let ((rules (car treesit-simple-indent-rules)))
(setcdr rules
@ -1934,30 +1949,9 @@ EVENT is the same as the original command."
:after evil
:hook ((c-ts-mode c++-ts-mode) . my/eglot-if-trusted)
:init
(defun my/-c-ts-in-doc-comment-p (&optional include-end)
(when-let ((node (treesit-thing-at-point "comment" 'toplevel))
(start (treesit-node-start node))
(end (treesit-node-end node)))
(and (> (point) (+ start 2))
(eql (char-after (+ start 1)) ?*)
(memql (char-after (+ start 2)) '(?* ?!))
(or include-end
(<= (point) (- end 2))))))
(defun my/c-ts-newline (&optional arg)
"Insert ARG newlines as with `newline'.
If inside a comment and in multi-line comment mode, act as
`default-indent-new-line'."
(interactive "*P")
(when (and arg (< (prefix-numeric-value arg) 0))
(user-error "Count cannot be negative"))
(if (my/-c-ts-in-doc-comment-p)
(dotimes (_ (prefix-numeric-value arg))
(default-indent-new-line))
(newline arg t)))
(setq-default c-ts-mode-indent-offset 4)
:config
(dolist (sym '(c-ts-mode-map c++-ts-mode-map))
(keymap-set (symbol-value sym) "<remap> <newline>" #'my/c-ts-newline))
(my/setup-c-style-newline-keys c-ts-mode-map c++-ts-mode-map)
(evil-define-key 'normal 'c-ts-mode-map
"go" #'my/find-other-file
"gO" #'my/find-other-file-other-window)
@ -1980,7 +1974,9 @@ This is :around advice, so OLDFUN is the real function
(add-to-list 'auto-mode-alist '("\\.ino\\'" . arduino-ts-mode))
;; GLSL
(use-package glsl-mode)
(use-package glsl-mode
:config
(my/setup-c-style-newline-keys glsl-mode-map))
;; php-mode
(use-package php-ts-mode
@ -2006,6 +2002,7 @@ This is :around advice, so OLDFUN is the real function
("C-M-x" . my/js-send-defun))
:hook (js-comint-mode . my/-setup-js-comint-mode)
:config
(my/setup-c-style-newline-keys js-ts-mode-map)
(defun my/-setup-js-comint-mode ()
(setq-local comint-highlight-input nil))
(defun my/js-send-defun ()
@ -2020,7 +2017,9 @@ This is :around advice, so OLDFUN is the real function
:ensure nil
:hook (typescript-ts-mode . my/eglot-if-trusted)
:init
(add-to-list 'auto-mode-alist `(,(rx ".ts" eos) . typescript-ts-mode)))
(add-to-list 'auto-mode-alist `(,(rx ".ts" eos) . typescript-ts-mode))
:config
(my/setup-c-style-newline-keys typescript-ts-mode-map))
;; Polymode
(use-package polymode
@ -2049,16 +2048,23 @@ This is :around advice, so OLDFUN is the real function
;; go mode
(use-package go-mode
:defer nil
:hook (go-mode . my/eglot-if-trusted))
(use-package go-ts-mode
:ensure nil
:hook (go-ts-mode . my/eglot-if-trusted))
:hook (go-mode . my/eglot-if-trusted)
:config
(my/setup-c-style-newline-keys go-mode-map))
;; (use-package go-ts-mode
;; :ensure nil
;; :hook (go-ts-mode . my/eglot-if-trusted)
;; :custom (go-ts-mode-indent-offset 4)
;; :config
;; (my/setup-c-style-newline-keys go-ts-mode-map))
;; rust
(use-package rust-mode)
(use-package rust-ts-mode
:ensure nil
:hook (rust-ts-mode . my/eglot-if-trusted))
:hook (rust-ts-mode . my/eglot-if-trusted)
:config
(my/setup-c-style-newline-keys rust-ts-mode-map))
;; zig
(use-package zig-mode
@ -2092,6 +2098,7 @@ This is :around advice, so OLDFUN is the real function
(use-package json-ts-mode
:hook (json-ts-mode . my/eglot-if-trusted)
:custom
(my/setup-c-style-newline-keys json-ts-mode-map)
(json-ts-mode-indent-offset 4))
;; csv