Buffers without a corresponding file name should not use ensime. This includes diff buffers.
111 lines
3.5 KiB
EmacsLisp
111 lines
3.5 KiB
EmacsLisp
;;; funcs.el --- Scala Layer functions File for Spacemacs
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;;
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;; Copyright (c) 2012-2014 Sylvain Benner
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;; Copyright (c) 2014-2015 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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;;; Ensime
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(autoload 'ensime-config-find-file "ensime-config")
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(autoload 'ensime-config-find "ensime-config")
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(autoload 'projectile-project-p "projectile")
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(defun scala/configure-ensime ()
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"Ensure the file exists before starting `ensime-mode'."
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(cond
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((and (buffer-file-name) (file-exists-p (buffer-file-name)))
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(ensime-mode +1))
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((buffer-file-name)
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(add-hook 'after-save-hook (lambda () (ensime-mode +1)) nil t))))
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(defun scala/maybe-start-ensime ()
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(when (buffer-file-name)
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(let ((ensime-buffer (scala/ensime-buffer-for-file (buffer-file-name)))
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(file (ensime-config-find-file (buffer-file-name)))
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(is-source-file (s-matches? (rx (or "/src/" "/test/")) (buffer-file-name))))
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(when (and is-source-file (null ensime-buffer))
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(noflet ((ensime-config-find (&rest _) file))
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(save-window-excursion
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(ensime)))))))
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(defun scala/ensime-buffer-for-file (file)
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"Find the Ensime server buffer corresponding to FILE."
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(let ((default-directory (file-name-directory file)))
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(-when-let (project-name (projectile-project-p))
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(--first (-when-let (bufname (buffer-name it))
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(and (s-contains? "inferior-ensime-server" bufname)
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(s-contains? (file-name-nondirectory project-name) bufname)))
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(buffer-list)))))
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(defun scala/enable-eldoc ()
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(setq-local eldoc-documentation-function
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(lambda ()
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(when (ensime-connected-p)
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(ensime-print-type-at-point))))
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(eldoc-mode +1))
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(defun spacemacs/ensime-refactor-accept ()
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(interactive)
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(funcall continue-refactor)
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(ensime-popup-buffer-quit-function))
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(defun spacemacs/ensime-refactor-cancel ()
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(interactive)
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(funcall cancel-refactor)
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(ensime-popup-buffer-quit-function))
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;;; Interactive commands
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(defun spacemacs/scala-join-line ()
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"Adapt `scala-indent:join-line' to behave more like evil's line join.
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`scala-indent:join-line' acts like the vanilla `join-line',
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joining the current line with the previous one. The vimmy way is
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to join the current line with the next.
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Try to move to the subsequent line and then join. Then manually move
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point to the position of the join."
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(interactive)
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(let (join-pos)
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(save-excursion
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(goto-char (line-end-position))
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(unless (eobp)
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(forward-line)
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(call-interactively 'scala-indent:join-line)
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(setq join-pos (point))))
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(when join-pos
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(goto-char join-pos))))
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(defun scala/completing-dot ()
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"Insert a period and show company completions."
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(interactive "*")
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(when (s-matches? (rx (+ (not space)))
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(buffer-substring (line-beginning-position) (point)))
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(delete-horizontal-space t))
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(cond (company-backend
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(company-complete-selection)
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(scala/completing-dot))
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(t
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(insert ".")
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(company-complete))))
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;;; Flyspell
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(defun scala/flyspell-verify ()
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"Prevent common flyspell false positives in scala-mode."
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(and (flyspell-generic-progmode-verify)
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(not (s-matches? (rx bol (* space) "package") (current-line)))))
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(defun scala/configure-flyspell ()
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(setq-local flyspell-generic-check-word-predicate 'scala/flyspell-verify))
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