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spacemacs/layers/+lang/purescript/config.el

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;;; config.el --- Purescript Layer config File for Spacemacs
;;
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;; Copyright (c) 2012-2021 Sylvain Benner & Contributors
;;
;; Author: Ryan L. Bell
;; URL: https://github.com/syl20bnr/spacemacs
;;
;; This file is not part of GNU Emacs.
;;
;; This program is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;;
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;;
;; You should have received a copy of the GNU General Public License
;; along with this program. If not, see <http://www.gnu.org/licenses/>.
Refactor and simplify company backends declaration Enabling a company backend for a specific mode was a tedious tasks with code scattered at different locations, one for local variable definitions, one for company hook function definitions and another where the backends were pushed to the local variables (which was problematic, since we ended up pushing the same backends over and over again with `SPC f e R`, pushes have been replaced by add-to-list calls in the new macro). All these steps are now put together at one place with the new macro spacemacs|add-company-backends, check its docstring for more info on its arguments. This macro also allows to define arbitrary buffer local variables to tune company for specific modes (similar to layer variables via a keyword :variables) The code related to company backends management has been moved to the auto-completion layer in the funcs.el file. A nice side effect of this move is that it enforces correct encapsulation of company backends related code. We can now easily detect if there is some configuration leakage when the auto-completion layer is not used. But we loose macro expansion at file loading time (not sue it is a big concern though). The function spacemacs|enable-auto-complete was never used so it has been deleted which led to the deletion of the now empty file core-auto-completion.el. The example in LAYERS.org regarding auto-completion is now out of date and has been deleted. An example to setup auto-completion is provided in the README.org file of the auto-completion layer.
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;; variables
(spacemacs|define-jump-handlers purescript-mode)
(defvar purescript-fmt-on-save nil
"Run formatter on buffer save.")
(defvar purescript-fmt-tool 'purs-tidy
"The name of the tool to be used for Purescript source code formatting.
Possible values are 'purs-tidy (default).")
(defvar purescript-add-import-on-completion t
"If non-nil adds imports for completed identifiers")
(defvar purescript-enable-rebuild-on-save nil
"If non-nil rebuild on save is enabled")
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(defvar purescript-backend (if (configuration-layer/layer-used-p 'lsp) 'lsp 'psc-ide)
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"The backend to use for IDE features.
Possible values are `lsp' and `psc-ide'.
If `nil' then `psc-ide' is the default backend unless `lsp' layer is used.")