327 lines
10 KiB
EmacsLisp
327 lines
10 KiB
EmacsLisp
;;; packages.el --- Java functions 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: Lukasz Klich <klich.lukasz@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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(defun spacemacs//java-define-command-prefixes ()
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"Define command prefixes for java-mode."
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(setq java/key-binding-prefixes '(("md" . "eclimd")
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("mE" . "errors")
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("mf" . "find")
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("mg" . "goto")
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("mr" . "refactor")
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("mh" . "documentation")
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("ma" . "ant")
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("mp" . "project")
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("mt" . "test")))
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(mapc (lambda(x) (spacemacs/declare-prefix-for-mode
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'java-mode (car x) (cdr x)))
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java/key-binding-prefixes))
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(defun spacemacs//java-setup-backend ()
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"Conditionally setup java backend."
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(pcase java-backend
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(`meghanada (spacemacs//java-setup-meghanada))
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(`eclim (spacemacs//java-setup-eclim))
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(`ensime (spacemacs//java-setup-ensime))
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(`lsp (spacemacs//java-setup-lsp))))
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(defun spacemacs//java-setup-company ()
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"Conditionally setup company based on backend."
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(pcase java-backend
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(`meghanada (spacemacs//java-setup-meghanada-company))
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(`eclim (spacemacs//java-setup-eclim-company))
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(`ensime (spacemacs//java-setup-ensime-company))
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(`lsp (spacemacs//java-setup-lsp-company))))
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(defun spacemacs//java-setup-flycheck ()
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"Conditionally setup flycheck based on backend."
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(pcase java-backend
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(`meghanada (spacemacs//java-setup-meghanada-flycheck))
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(`eclim (spacemacs//java-setup-eclim-flycheck))
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(`ensime (spacemacs//java-setup-ensime-flycheck))
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(`lsp (spacemacs//java-setup-lsp-flycheck))))
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(defun spacemacs//java-setup-flyspell ()
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"Conditionally setup flyspell based on backend."
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(pcase java-backend
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(`ensime (spacemacs//java-setup-ensime-flyspell))))
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(defun spacemacs//java-setup-eldoc ()
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"Conditionally setup eldoc based on backend."
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(pcase java-backend
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;; meghanada setup eldoc on its own
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(`ensime (spacemacs//java-setup-ensime-eldoc))))
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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 spacemacs//java-setup-ensime ()
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"Setup ENSIME."
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;; jump handler
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(add-to-list 'spacemacs-jump-handlers-java-mode 'ensime-edit-definition)
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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))
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((buffer-file-name)
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(add-hook 'after-save-hook 'ensime-mode nil t))))
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(defun spacemacs//java-setup-ensime-company ()
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"Setup ENSIME auto-completion.")
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(defun spacemacs//java-setup-ensime-flycheck ()
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"Setup ENSIME syntax checking.")
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(defun spacemacs//java-setup-ensime-flyspell ()
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"Setup ENSIME spell checking."
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(flyspell-mode)
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(setq-local flyspell-generic-check-word-predicate
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'spacemacs//ensime-flyspell-verify))
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(defun spacemacs//java-setup-ensime-eldoc ()
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"Setup ENSIME 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-type-at-point))))
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(eldoc-mode))
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(defun spacemacs//ensime-maybe-start ()
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(when (buffer-file-name)
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(let ((ensime-buffer (spacemacs//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/"))
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(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 spacemacs//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)
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bufname)))
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(buffer-list)))))
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(defun spacemacs//ensime-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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;; interactive functions
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(defun spacemacs/ensime-gen-and-restart()
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"Regenerate `.ensime' file and restart the ensime server."
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(interactive)
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(progn
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(sbt-command ";ensimeConfig;ensimeConfigProject")
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(ensime-shutdown)
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(ensime)))
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(defun spacemacs/ensime-inf-eval-buffer-switch ()
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"Send buffer content to shell and switch to it in insert mode."
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(interactive)
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(ensime-inf-eval-buffer)
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(ensime-inf-switch)
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(evil-insert-state))
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(defun spacemacs/ensime-inf-eval-region-switch (start end)
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"Send region content to shell and switch to it in insert mode."
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(interactive "r")
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(ensime-inf-switch)
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(ensime-inf-eval-region start end)
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(evil-insert-state))
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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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(defun spacemacs/ensime-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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(company-abort)
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(insert ".")
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(company-complete))
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(defun spacemacs/ensime-yank-type-at-point ()
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"Yank to kill ring and print short type name at point to the minibuffer."
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(interactive)
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(ensime-type-at-point '(4)))
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(defun spacemacs/ensime-yank-type-at-point-full-name ()
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"Yank to kill ring and print full type name at point to the minibuffer."
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(interactive)
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(ensime-type-at-point '(4) t))
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;; eclim
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(defun spacemacs//java-setup-eclim ()
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"Setup Eclim."
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;; jump handler
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(add-to-list 'spacemacs-jump-handlers '(eclim-java-find-declaration :async t))
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;; enable eclim
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(eclim-mode))
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(defun spacemacs//java-setup-eclim-company ()
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"Setup Eclim auto-completion."
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(spacemacs|add-company-backends
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:backends company-emacs-eclim
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:modes eclim-mode
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:variables
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company-idle-delay 0.5
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company-minimum-prefix-length 1
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:append-hooks nil
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:call-hooks t)
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(company-mode))
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(defun spacemacs//java-setup-eclim-flycheck ()
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"Setup Eclim syntax checking."
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(flycheck-eclim-setup)
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;; disable auto check, use `SPC e e'
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(setq eclim-autoupdate-problems nil)
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(set (make-local-variable 'flycheck-check-syntax-automatically) nil)
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(flycheck-mode))
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(defun spacemacs/java-eclim-completing-dot ()
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"Insert a period and show company completions."
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(interactive "*")
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(spacemacs//java-delete-horizontal-space)
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(insert ".")
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(company-emacs-eclim 'interactive))
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(defun spacemacs/java-eclim-completing-double-colon ()
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"Insert double colon and show company completions."
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(interactive "*")
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(spacemacs//java-delete-horizontal-space)
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(insert ":")
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(let ((curr (point)))
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(when (s-matches? (buffer-substring (- curr 2) (- curr 1)) ":")
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(company-emacs-eclim 'interactive))))
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;; meghanada
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(defun spacemacs//java-setup-meghanada ()
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"Setup Meghanada."
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(require 'meghanada)
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;; jump handler
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(add-to-list 'spacemacs-jump-handlers
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'(meghanada-jump-declaration
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:async spacemacs//java-meghanada-server-livep))
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;; auto-install meghanada server
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(let ((dest-jar (meghanada--locate-server-jar)))
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(unless dest-jar
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(meghanada-install-server)))
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;; enable meghanada
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(meghanada-mode))
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(defun spacemacs//java-setup-meghanada-company ()
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"Setup Meghanada auto-completion."
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(meghanada-company-enable))
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(defun spacemacs//java-setup-meghanada-flycheck ()
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"Setup Meghanada syntax checking."
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(when (spacemacs/enable-flycheck 'java-mode)
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(require 'flycheck-meghanada)
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(add-to-list 'flycheck-checkers 'meghanada)
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(flycheck-mode)))
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(defun spacemacs//java-meghanada-server-livep ()
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"Return non-nil if the Meghanada server is up."
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(and meghanada--client-process (process-live-p meghanada--client-process)))
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;; Maven
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(defun spacemacs/mvn-clean-compile ()
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"Recompile using maven."
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(interactive)
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(mvn-clean)
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(mvn-compile))
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;; Gradle
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(defun spacemacs/gradle-clean ()
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"Execute 'gradle clean' command."
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(interactive)
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(gradle-execute "clean"))
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(defun spacemacs/gradle-clean-build ()
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"Execute 'gradle clean build' command."
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(interactive)
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(gradle-execute "clean build"))
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(defun spacemacs/gradle-test-buffer ()
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"Execute 'gradle test' command against current buffer tests."
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(interactive)
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(gradle-single-test (file-name-base (buffer-file-name))))
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;; Misc
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(defun spacemacs//java-delete-horizontal-space ()
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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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;; LSP Java
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(defun spacemacs//java-setup-lsp ()
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"Setup LSP Java."
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(if (configuration-layer/layer-used-p 'lsp)
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(progn
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(require 'lsp-java)
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(require 'company-lsp)
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(lsp-java-enable))
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(message "`lsp' layer is not installed, please add `lsp' layer to your dotfile.")))
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(defun spacemacs//java-setup-lsp-company ()
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"Setup lsp auto-completion."
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(if (configuration-layer/layer-used-p 'lsp)
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(progn
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(spacemacs|add-company-backends
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:backends company-lsp
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:modes java-mode
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:append-hooks nil
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:call-hooks t)
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(company-mode))
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(message "`lsp' layer is not installed, please add `lsp' layer to your dotfile.")))
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(defun spacemacs//java-setup-lsp-flycheck ()
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"Setup LSP Java syntax checking."
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(if (configuration-layer/layer-used-p 'lsp)
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(when (spacemacs/enable-flycheck 'java-mode)
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(require 'lsp-ui-flycheck)
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(lsp-ui-flycheck-enable nil)
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(flycheck-mode))
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(message "`lsp' layer is not installed, please add `lsp' layer to your dotfile.")))
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