init.el

(add-to-list 'load-path "~/.emacs.d/styles/")
(custom-set-variables
 ;; custom-set-variables was added by Custom.
 ;; If you edit it by hand, you could mess it up, so be careful.
 ;; Your init file should contain only one such instance.
 ;; If there is more than one, they won't work right.
 '(ansi-color-faces-vector
   [default default default italic underline success warning error])
 '(custom-enabled-themes '(wombat))
 '(ispell-dictionary nil)
 '(package-selected-packages
   '(clang-format+ google-c-style gited flycheck lsp-ui rustic java-imports helm-lsp which-key yasnippet lsp-java company projectile use-package))
 '(projectile-mode t nil (projectile))
 '(show-paren-mode t))

(setq-default buffer-file-coding-system 'utf-8-unix)
(setq-default indent-tabs-mode nil)
(setq-default column-number-mode t)
(setq-default display-line-numbers t)

(add-hook 'before-save-hook 'whitespace-cleanup)

(add-hook 'after-init-hook 'global-company-mode)
(add-hook 'after-init-hook 'helm-mode)

(require 'package)
(add-to-list 'package-archives '("melpa" . "http://melpa.org/packages/"))
;; Comment/uncomment this line to enable MELPA Stable if desired.  See `package-archive-priorities`
;; and `package-pinned-packages`. Most users will not need or want to do this.
;;(add-to-list 'package-archives '("melpa-stable" . "https://stable.melpa.org/packages/") t)
(package-initialize)

(unless (package-installed-p 'use-package)
  (package-refresh-contents)
  (package-install 'use-package))

(unless (package-installed-p 'projectile)
  (package-refresh-contents)
  (package-install 'projectile))

(unless (package-installed-p 'company)
  (package-refresh-contents)
  (package-install 'company))

;;;
;;; JAVA
;;;

(unless (package-installed-p 'lsp-java)
  (package-refresh-contents)
  (package-install 'lsp-java))

(unless (package-installed-p 'yasnippet)
  (package-refresh-contents)
  (package-install 'yasnippet))

(unless (package-installed-p 'which-key)
  (package-refresh-contents)
  (package-install 'which-key))

(unless (package-installed-p 'helm-lsp)
  (package-refresh-contents)
  (package-install 'helm-lsp))

(unless (package-installed-p 'helm)
  (package-refresh-contents)
  (package-install 'helm))

(unless (package-installed-p 'java-imports)
  (package-refresh-contents)
  (package-install 'java-imports))

(require 'lsp)
(require 'lsp-java)
;(add-hook 'java-mode-hook #'lsp)
(require 'projectile)

(condition-case nil
    (require 'use-package)
  (file-error
   (require 'package)
   (add-to-list 'package-archives '("melpa" . "http://melpa.org/packages/"))
   (package-initialize)
   (package-refresh-contents)
   (package-install 'use-package)
   (setq use-package-always-ensure t)
   (require 'use-package)))

(use-package projectile)
(use-package yasnippet :config (yas-global-mode))
(use-package lsp-mode :hook ((lsp-mode . lsp-enable-which-key-integration))
  :bind
  (:map lsp-mode-map
        (("\C-\M-b" . lsp-find-implementation)
         ("M-RET" . lsp-execute-code-action)))
  ;;:config (setq lsp-completion-enable-additional-text-edit nil)
  )

(use-package hydra)
(use-package which-key :config (which-key-mode))
(use-package lsp-java :config (add-hook 'java-mode-hook 'lsp))
(use-package dap-mode :after lsp-mode :config (dap-auto-configure-mode))
(use-package dap-java :ensure nil)
(use-package helm-lsp)
(use-package helm
  :config (helm-mode))
(use-package lsp-treemacs)

(require 'java-imports)

;; whatever you want to bind it to
(define-key java-mode-map (kbd "M-I") 'java-imports-add-import-dwim)

;; See customization below for where to put java imports
(setq java-imports-find-block-function 'java-imports-find-place-sorted-block)

(require 'google-java-format)

(global-set-key (kbd "C-M-i") #'google-java-format-region)

(add-hook 'java-mode-hook 'java-imports-scan-file)

;;;;
;;;; Google CPP
;;;;
(unless (package-installed-p 'google-c-sytle)
  (package-refresh-contents)
  (package-install 'google-c-style))

(require 'cc-mode)
(require 'google-c-style)
(add-hook 'c-mode-common-hook 'google-set-c-style)
(add-hook 'c-mode-common-hook 'google-make-newline-indent)

;;;;
;;;; RUST
;;;;

(use-package rustic
  :ensure
  :bind (:map rustic-mode-map
              ("M-j" . lsp-ui-imenu)
              ("M-?" . lsp-find-references)
              ("C-c C-c l" . flycheck-list-errors)
              ("C-c C-c a" . lsp-execute-code-action)
              ("C-c C-c r" . lsp-rename)
              ("C-c C-c q" . lsp-workspace-restart)
              ("C-c C-c Q" . lsp-workspace-shutdown)
              ("C-c C-c s" . lsp-rust-analyzer-status))
  :config
  ;; uncomment for less flashiness
  ;; (setq lsp-eldoc-hook nil)
  ;; (setq lsp-enable-symbol-highlighting nil)
  ;; (setq lsp-signature-auto-activate nil)

  ;; comment to disable rustfmt on save
  (setq rustic-lsp-format t)
  ;;(add-hook 'rustic-mode-hook 'rk/rustic-mode-hook)
  )

(defun rk/rustic-mode-hook ()
  ;; so that run C-c C-c C-r works without having to confirm, but don't try to
  ;; save rust buffers that are not file visiting. Once
  ;; https://github.com/brotzeit/rustic/issues/253 has been resolved this should
  ;; no longer be necessary.
  (when buffer-file-name
    (setq-local buffer-save-without-query t)))
(use-package lsp-mode
  :ensure
  :commands lsp
  :custom
  ;; what to use when checking on-save. "check" is default, I prefer clippy
  (lsp-rust-analyzer-cargo-watch-command "clippy")
  (lsp-eldoc-render-all t)
  (lsp-idle-delay 0.6)
  (lsp-rust-analyzer-server-display-inlay-hints t)
  :config
  (add-hook 'lsp-mode-hook 'lsp-ui-mode))

(use-package lsp-ui
  :ensure
  :commands lsp-ui-mode
  :custom
  (lsp-ui-peek-always-show t)
  (lsp-ui-sideline-show-hover t)
  (lsp-ui-doc-enable nil))

(use-package lsp-mode
  :ensure
  :commands lsp
  :custom
  ;; what to use when checking on-save. "check" is default, I prefer clippy
  (lsp-rust-analyzer-cargo-watch-command "clippy")
  (lsp-eldoc-render-all t)
  (lsp-idle-delay 0.6)
  (lsp-rust-analyzer-server-display-inlay-hints t)
  :config
  (add-hook 'lsp-mode-hook 'lsp-ui-mode))

(use-package lsp-ui
  :ensure
  :commands lsp-ui-mode
  :custom
  (lsp-ui-peek-always-show t)
  (lsp-ui-sideline-show-hover t)
  (lsp-ui-doc-enable nil))

(use-package company
  :ensure
  :custom
  (company-idle-delay 0.5) ;; how long to wait until popup
  ;; (company-begin-commands nil) ;; uncomment to disable popup
  :bind
  (:map company-active-map
              ("C-n". company-select-next)
              ("C-p". company-select-previous)
              ("M-<". company-select-first)
              ("M->". company-select-last)))

(use-package flycheck :ensure)

(setq lsp-rust-analyzer-server-display-inlay-hints t)

;;;
;;; C/CPP
;;;
(setq c-default-style "k&r" c-basic-offset 4)