149 lines
4.6 KiB
EmacsLisp
149 lines
4.6 KiB
EmacsLisp
;;; packages.el --- Scala Layer packages File for Spacemacs
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;;
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;; Copyright (c) 2012-2018 Sylvain Benner & Contributors
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;;
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;; Author: Sylvain Benner <sylvain.benner@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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;;; License: GPLv3
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(setq scala-packages
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'(
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eldoc
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ensime
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flycheck
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flyspell
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ggtags
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counsel-gtags
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helm-gtags
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noflet
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org
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scala-mode
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sbt-mode
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))
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(defun scala/post-init-eldoc ()
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(when scala-enable-eldoc
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(add-hook 'scala-mode-hook #'spacemacs//java-setup-ensime-eldoc)))
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(defun scala/pre-init-ensime ()
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(spacemacs|use-package-add-hook ensime
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:pre-config (add-to-list 'java--ensime-modes 'scala-mode)))
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(defun scala/post-init-ensime ()
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(use-package ensime
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:defer t
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:init
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(progn
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(add-hook 'scala-mode-hook #'spacemacs//scala-setup-ensime)
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(when scala-auto-start-ensime
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(add-hook 'scala-mode-hook 'spacemacs//ensime-maybe-start)))
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:config
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(progn
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;; Enable Expand Region integration from Ensime. Ignore load errors to
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;; handle older Ensime versions gracefully.
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(when (configuration-layer/package-used-p 'expand-region)
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(require 'ensime-expand-region nil 'noerror)))))
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(defun scala/post-init-flycheck ()
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(spacemacs/enable-flycheck 'scala-mode)
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;; Don't use scala checker if ensime mode is active, since it provides
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;; better error checking.
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(with-eval-after-load 'flycheck
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(add-hook 'ensime-mode-hook 'spacemacs//scala-disable-flycheck-scala)))
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(defun scala/post-init-flyspell ()
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(spell-checking/add-flyspell-hook 'scala-mode)
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(add-hook 'scala-mode-hook #'spacemacs//java-setup-ensime-flyspell))
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(defun scala/init-noflet ()
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(use-package noflet))
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(defun scala/pre-init-org ()
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(spacemacs|use-package-add-hook org
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:post-config (add-to-list 'org-babel-load-languages '(scala . t))))
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(defun scala/init-sbt-mode ()
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(use-package sbt-mode
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:defer t
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:init (spacemacs/set-leader-keys-for-major-mode 'scala-mode
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"b." 'sbt-hydra
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"bb" 'sbt-command)))
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(defun scala/init-scala-mode ()
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(use-package scala-mode
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:defer t
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:init
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(progn
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(dolist (ext '(".cfe" ".cfs" ".si" ".gen" ".lock"))
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(add-to-list 'completion-ignored-extensions ext)))
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:config
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(progn
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;; Automatically insert asterisk in a comment when enabled
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(defun scala/newline-and-indent-with-asterisk ()
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(interactive)
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(newline-and-indent)
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(when scala-auto-insert-asterisk-in-comments
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(scala-indent:insert-asterisk-on-multiline-comment)))
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(evil-define-key 'insert scala-mode-map
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(kbd "RET") 'scala/newline-and-indent-with-asterisk)
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;; Automatically replace arrows with unicode ones when enabled
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(defconst scala-unicode-arrows-alist
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'(("=>" . "⇒")
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("->" . "→")
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("<-" . "←")))
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(defun scala/replace-arrow-at-point ()
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"Replace the arrow before the point (if any) with unicode ones.
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An undo boundary is inserted before doing the replacement so that
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it can be undone."
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(let* ((end (point))
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(start (max (- end 2) (point-min)))
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(x (buffer-substring start end))
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(arrow (assoc x scala-unicode-arrows-alist)))
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(when arrow
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(undo-boundary)
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(backward-delete-char 2)
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(insert (cdr arrow)))))
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(defun scala/gt ()
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"Insert a `>' to the buffer.
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If it's part of a right arrow (`->' or `=>'),replace it with the corresponding
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unicode arrow."
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(interactive)
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(insert ">")
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(scala/replace-arrow-at-point))
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(defun scala/hyphen ()
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"Insert a `-' to the buffer.
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If it's part of a left arrow (`<-'),replace it with the unicode arrow."
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(interactive)
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(insert "-")
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(scala/replace-arrow-at-point))
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(when scala-use-unicode-arrows
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(define-key scala-mode-map
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(kbd ">") 'scala/gt)
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(define-key scala-mode-map
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(kbd "-") 'scala/hyphen))
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(evil-define-key 'normal scala-mode-map "J" 'spacemacs/scala-join-line)
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;; Compatibility with `aggressive-indent'
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(setq scala-indent:align-forms t
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scala-indent:align-parameters t
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scala-indent:default-run-on-strategy
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scala-indent:operator-strategy))))
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(defun scala/post-init-ggtags ()
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(add-hook 'scala-mode-local-vars-hook #'spacemacs/ggtags-mode-enable))
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(defun scala/post-init-counsel-gtags ()
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(spacemacs/counsel-gtags-define-keys-for-mode 'scala-mode))
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(defun scala/post-init-helm-gtags ()
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(spacemacs/helm-gtags-define-keys-for-mode 'scala-mode))
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