This repository has been archived on 2024-10-22. You can view files and clone it, but cannot push or open issues or pull requests.
spacemacs/layers/+lang/java/funcs.el
kyoncho 862d873fa8 LSP Java backend for the Java layer
Fixes #10654

Added new backend for the Java.
2018-08-21 20:36:06 +01:00

326 lines
10 KiB
EmacsLisp
Raw Blame History

This file contains invisible Unicode characters

This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

;;; packages.el --- Java functions File for Spacemacs
;;
;; Copyright (c) 2012-2018 Sylvain Benner & Contributors
;;
;; Author: Lukasz Klich <klich.lukasz@gmail.com>
;; URL: https://github.com/syl20bnr/spacemacs
;;
;; This file is not part of GNU Emacs.
;;
;;; License: GPLv3
(defun spacemacs//java-define-command-prefixes ()
"Define command prefixes for java-mode."
(setq java/key-binding-prefixes '(("md" . "eclimd")
("mE" . "errors")
("mf" . "find")
("mg" . "goto")
("mr" . "refactor")
("mh" . "documentation")
("ma" . "ant")
("mp" . "project")
("mt" . "test")))
(mapc (lambda(x) (spacemacs/declare-prefix-for-mode
'java-mode (car x) (cdr x)))
java/key-binding-prefixes))
(defun spacemacs//java-setup-backend ()
"Conditionally setup java backend."
(pcase java-backend
(`meghanada (spacemacs//java-setup-meghanada))
(`eclim (spacemacs//java-setup-eclim))
(`ensime (spacemacs//java-setup-ensime))
(`lsp (spacemacs//java-setup-lsp))))
(defun spacemacs//java-setup-company ()
"Conditionally setup company based on backend."
(pcase java-backend
(`meghanada (spacemacs//java-setup-meghanada-company))
(`eclim (spacemacs//java-setup-eclim-company))
(`ensime (spacemacs//java-setup-ensime-company))
(`lsp (spacemacs//java-setup-lsp-company))))
(defun spacemacs//java-setup-flycheck ()
"Conditionally setup flycheck based on backend."
(pcase java-backend
(`meghanada (spacemacs//java-setup-meghanada-flycheck))
(`eclim (spacemacs//java-setup-eclim-flycheck))
(`ensime (spacemacs//java-setup-ensime-flycheck))
(`lsp (spacemacs//java-setup-lsp-flycheck))))
(defun spacemacs//java-setup-flyspell ()
"Conditionally setup flyspell based on backend."
(pcase java-backend
(`ensime (spacemacs//java-setup-ensime-flyspell))))
(defun spacemacs//java-setup-eldoc ()
"Conditionally setup eldoc based on backend."
(pcase java-backend
;; meghanada setup eldoc on its own
(`ensime (spacemacs//java-setup-ensime-eldoc))))
;; ensime
(autoload 'ensime-config-find-file "ensime-config")
(autoload 'ensime-config-find "ensime-config")
(autoload 'projectile-project-p "projectile")
(defun spacemacs//java-setup-ensime ()
"Setup ENSIME."
;; jump handler
(add-to-list 'spacemacs-jump-handlers-java-mode 'ensime-edit-definition)
;; ensure the file exists before starting `ensime-mode'
(cond
((and (buffer-file-name) (file-exists-p (buffer-file-name)))
(ensime-mode))
((buffer-file-name)
(add-hook 'after-save-hook 'ensime-mode nil t))))
(defun spacemacs//java-setup-ensime-company ()
"Setup ENSIME auto-completion.")
(defun spacemacs//java-setup-ensime-flycheck ()
"Setup ENSIME syntax checking.")
(defun spacemacs//java-setup-ensime-flyspell ()
"Setup ENSIME spell checking."
(flyspell-mode)
(setq-local flyspell-generic-check-word-predicate
'spacemacs//ensime-flyspell-verify))
(defun spacemacs//java-setup-ensime-eldoc ()
"Setup ENSIME eldoc."
(setq-local eldoc-documentation-function
(lambda ()
(when (ensime-connected-p)
(ensime-type-at-point))))
(eldoc-mode))
(defun spacemacs//ensime-maybe-start ()
(when (buffer-file-name)
(let ((ensime-buffer (spacemacs//ensime-buffer-for-file (buffer-file-name)))
(file (ensime-config-find-file (buffer-file-name)))
(is-source-file (s-matches? (rx (or "/src/" "/test/"))
(buffer-file-name))))
(when (and is-source-file (null ensime-buffer))
(noflet ((ensime-config-find (&rest _) file))
(save-window-excursion
(ensime)))))))
(defun spacemacs//ensime-buffer-for-file (file)
"Find the Ensime server buffer corresponding to FILE."
(let ((default-directory (file-name-directory file)))
(-when-let (project-name (projectile-project-p))
(--first (-when-let (bufname (buffer-name it))
(and (s-contains? "inferior-ensime-server" bufname)
(s-contains? (file-name-nondirectory project-name)
bufname)))
(buffer-list)))))
(defun spacemacs//ensime-flyspell-verify ()
"Prevent common flyspell false positives in scala-mode."
(and (flyspell-generic-progmode-verify)
(not (s-matches? (rx bol (* space) "package") (current-line)))))
;; interactive functions
(defun spacemacs/ensime-gen-and-restart()
"Regenerate `.ensime' file and restart the ensime server."
(interactive)
(progn
(sbt-command ";ensimeConfig;ensimeConfigProject")
(ensime-shutdown)
(ensime)))
(defun spacemacs/ensime-inf-eval-buffer-switch ()
"Send buffer content to shell and switch to it in insert mode."
(interactive)
(ensime-inf-eval-buffer)
(ensime-inf-switch)
(evil-insert-state))
(defun spacemacs/ensime-inf-eval-region-switch (start end)
"Send region content to shell and switch to it in insert mode."
(interactive "r")
(ensime-inf-switch)
(ensime-inf-eval-region start end)
(evil-insert-state))
(defun spacemacs/ensime-refactor-accept ()
(interactive)
(funcall continue-refactor)
(ensime-popup-buffer-quit-function))
(defun spacemacs/ensime-refactor-cancel ()
(interactive)
(funcall cancel-refactor)
(ensime-popup-buffer-quit-function))
(defun spacemacs/ensime-completing-dot ()
"Insert a period and show company completions."
(interactive "*")
(when (s-matches? (rx (+ (not space)))
(buffer-substring (line-beginning-position) (point)))
(delete-horizontal-space t))
(company-abort)
(insert ".")
(company-complete))
(defun spacemacs/ensime-yank-type-at-point ()
"Yank to kill ring and print short type name at point to the minibuffer."
(interactive)
(ensime-type-at-point '(4)))
(defun spacemacs/ensime-yank-type-at-point-full-name ()
"Yank to kill ring and print full type name at point to the minibuffer."
(interactive)
(ensime-type-at-point '(4) t))
;; eclim
(defun spacemacs//java-setup-eclim ()
"Setup Eclim."
;; jump handler
(add-to-list 'spacemacs-jump-handlers '(eclim-java-find-declaration :async t))
;; enable eclim
(eclim-mode))
(defun spacemacs//java-setup-eclim-company ()
"Setup Eclim auto-completion."
(spacemacs|add-company-backends
:backends company-emacs-eclim
:modes eclim-mode
:variables
company-idle-delay 0.5
company-minimum-prefix-length 1
:append-hooks nil
:call-hooks t)
(company-mode))
(defun spacemacs//java-setup-eclim-flycheck ()
"Setup Eclim syntax checking."
(flycheck-eclim-setup)
;; disable auto check, use `SPC e e'
(setq eclim-autoupdate-problems nil)
(set (make-local-variable 'flycheck-check-syntax-automatically) nil)
(flycheck-mode))
(defun spacemacs/java-eclim-completing-dot ()
"Insert a period and show company completions."
(interactive "*")
(spacemacs//java-delete-horizontal-space)
(insert ".")
(company-emacs-eclim 'interactive))
(defun spacemacs/java-eclim-completing-double-colon ()
"Insert double colon and show company completions."
(interactive "*")
(spacemacs//java-delete-horizontal-space)
(insert ":")
(let ((curr (point)))
(when (s-matches? (buffer-substring (- curr 2) (- curr 1)) ":")
(company-emacs-eclim 'interactive))))
;; meghanada
(defun spacemacs//java-setup-meghanada ()
"Setup Meghanada."
(require 'meghanada)
;; jump handler
(add-to-list 'spacemacs-jump-handlers
'(meghanada-jump-declaration
:async spacemacs//java-meghanada-server-livep))
;; auto-install meghanada server
(let ((dest-jar (meghanada--locate-server-jar)))
(unless dest-jar
(meghanada-install-server)))
;; enable meghanada
(meghanada-mode))
(defun spacemacs//java-setup-meghanada-company ()
"Setup Meghanada auto-completion."
(meghanada-company-enable))
(defun spacemacs//java-setup-meghanada-flycheck ()
"Setup Meghanada syntax checking."
(when (spacemacs/enable-flycheck 'java-mode)
(require 'flycheck-meghanada)
(add-to-list 'flycheck-checkers 'meghanada)
(flycheck-mode)))
(defun spacemacs//java-meghanada-server-livep ()
"Return non-nil if the Meghanada server is up."
(and meghanada--client-process (process-live-p meghanada--client-process)))
;; Maven
(defun spacemacs/mvn-clean-compile ()
"Recompile using maven."
(interactive)
(mvn-clean)
(mvn-compile))
;; Gradle
(defun spacemacs/gradle-clean ()
"Execute 'gradle clean' command."
(interactive)
(gradle-execute "clean"))
(defun spacemacs/gradle-clean-build ()
"Execute 'gradle clean build' command."
(interactive)
(gradle-execute "clean build"))
(defun spacemacs/gradle-test-buffer ()
"Execute 'gradle test' command against current buffer tests."
(interactive)
(gradle-single-test (file-name-base (buffer-file-name))))
;; Misc
(defun spacemacs//java-delete-horizontal-space ()
(when (s-matches? (rx (+ (not space)))
(buffer-substring (line-beginning-position) (point)))
(delete-horizontal-space t)))
;; LSP Java
(defun spacemacs//java-setup-lsp ()
"Setup LSP Java."
(if (configuration-layer/layer-used-p 'lsp)
(progn
(require 'lsp-java)
(require 'company-lsp)
(lsp-java-enable))
(message "`lsp' layer is not installed, please add `lsp' layer to your dotfile.")))
(defun spacemacs//java-setup-lsp-company ()
"Setup lsp auto-completion."
(if (configuration-layer/layer-used-p 'lsp)
(progn
(spacemacs|add-company-backends
:backends company-lsp
:modes java-mode
:append-hooks nil
:call-hooks t)
(company-mode))
(message "`lsp' layer is not installed, please add `lsp' layer to your dotfile.")))
(defun spacemacs//java-setup-lsp-flycheck ()
"Setup LSP Java syntax checking."
(if (configuration-layer/layer-used-p 'lsp)
(when (spacemacs/enable-flycheck 'java-mode)
(require 'lsp-ui-flycheck)
(lsp-ui-flycheck-enable nil)
(flycheck-mode))
(message "`lsp' layer is not installed, please add `lsp' layer to your dotfile.")))