80 lines
3.2 KiB
EmacsLisp
80 lines
3.2 KiB
EmacsLisp
;;; funcs.el --- PureScript Layer functions File for Spacemacs
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;;
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;; Copyright (c) 2012-2021 Sylvain Benner & Contributors
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;;
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;; Author: nobv <6e6f6276@gmail.com>
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;; URL: https://github.com/syl20bnr/spacemacs
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;;
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;; This file is not part of GNU Emacs.
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;;
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;; This program is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;;
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;; This program is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;;
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;; You should have received a copy of the GNU General Public License
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;; along with this program. If not, see <http://www.gnu.org/licenses/>.
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(defun spacemacs//purescript-setup-backend ()
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"Conditionally setup purescript backend."
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(when (eq purescript-backend 'lsp)
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(lsp-deferred)))
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(defun spacemacs//purescript-setup-company ()
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"Conditionally setup company based on backend."
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(pcase purescript-backend
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('lsp
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(spacemacs|add-company-backends ;; Activate lsp company explicitly to activate
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:backends company-capf ;; standard backends as well
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:modes purescript-mode))
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('psc-ide
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(spacemacs|add-company-backends
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:backends company-psc-ide-backend
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:modes purescript-mode))))
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(defun spacemacs/purescript-format ()
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"Call formatting tool specified in `purescript-fmt-tool'."
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(interactive)
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(call-interactively
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(pcase purescript-fmt-tool
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('purs-tidy 'spacemacs/purescript-purs-tidy-format-buffer)
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(_ (user-error
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"%s isn't a valid purescript formatter. Possible values are 'purs-tidy"
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purescript-fmt-tool)))))
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(defun spacemacs/purescript-purs-tidy-format-buffer ()
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"Format buffer with purs-tidy."
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(interactive)
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(if (executable-find "purs-tidy")
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(let* ((extension (file-name-extension (or buffer-file-name "tmp.purs") t))
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(tmpfile (make-temp-file "~fmt-tmp" nil extension))
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(coding-system-for-read 'utf-8)
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(coding-system-for-write 'utf-8)
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(outputbuf (get-buffer-create "*~fmt-tmp.purs*")))
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(unwind-protect
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(progn
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(with-current-buffer outputbuf (erase-buffer))
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(write-region nil nil tmpfile)
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(if (zerop (apply #'call-process-region nil nil "purs-tidy" nil
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`(,outputbuf ,tmpfile) nil
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`("format")))
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(let ((p (point)))
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(save-excursion
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(with-current-buffer (current-buffer)
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(replace-buffer-contents outputbuf)))
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(goto-char p)
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(message "formatted.")
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(kill-buffer outputbuf))
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(message "Formatting failed!")
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(display-buffer outputbuf)))
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(delete-file tmpfile)))
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(error "purs-tidy not found. Run \"npm install -g purs-tidy\"")))
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(defun spacemacs/purescript-fmt-before-save-hook ()
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(add-hook 'before-save-hook 'spacemacs/purescript-format t t))
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