3d0745c3ec
Editorconfig is given precedence. If it successfully sets an indent_style or indent_size for the current buffer, automatic indentation detection will be disabled.
58 lines
2.4 KiB
EmacsLisp
58 lines
2.4 KiB
EmacsLisp
;;; tools/editorconfig/config.el -*- lexical-binding: t; -*-
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;; Handles whitespace (tabs/spaces) settings externally. This way projects can
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;; specify their own formatting rules.
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(def-package! editorconfig
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:hook (doom-init . editorconfig-mode)
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:config
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;; Register missing indent variables
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(setq editorconfig-indentation-alist
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(append '((mips-mode mips-tab-width)
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(haxor-mode haxor-tab-width)
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(nasm-mode nasm-basic-offset))
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editorconfig-indentation-alist))
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;; editorconfig cannot procure the correct settings for extension-less files.
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;; Executable scripts with a shebang line, for example. So why not use Emacs'
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;; major mode to drop editorconfig a hint? This is accomplished by temporarily
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;; appending an extension to `buffer-file-name' when we talk to editorconfig.
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(defvar doom-editorconfig-mode-alist
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'((sh-mode . "sh")
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(python-mode . "py")
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(ruby-mode . "rb")
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(perl-mode . "pl")
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(php-mode . "php"))
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"An alist mapping major modes to extensions. Used by
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`doom*editorconfig-smart-detection' to give editorconfig filetype hints.")
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(defun doom*editorconfig-smart-detection (orig-fn &rest args)
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"Retrieve the properties for the current file. If it doesn't have an
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extension, try to guess one."
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(let ((buffer-file-name
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(if (and (not (bound-and-true-p org-src-mode))
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(file-name-extension buffer-file-name))
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buffer-file-name
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(format "%s%s" buffer-file-name
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(if-let* ((ext (cdr (assq major-mode doom-editorconfig-mode-alist))))
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(concat "." ext)
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"")))))
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(apply orig-fn args)))
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(advice-add #'editorconfig-call-editorconfig-exec :around #'doom*editorconfig-smart-detection)
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(defun +editorconfig|disable-indent-detection (props)
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(when (or (gethash 'indent_style props)
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(gethash 'indent_size props))
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(setq doom-inhibit-indent-detection t)))
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(add-hook 'editorconfig-custom-hooks #'+editorconfig|disable-indent-detection)
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;; Editorconfig makes indentation too rigid in Lisp modes, so tell
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;; editorconfig to ignore indentation there. I prefer dynamic indentation
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;; support built into Emacs.
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(dolist (mode '(emacs-lisp-mode lisp-mode))
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(map-delete editorconfig-indentation-alist mode)))
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(def-package! editorconfig-conf-mode
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:mode "\\.?editorconfig$")
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