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spacemacs/contrib/lang/c-c++/packages.el
2015-04-27 21:27:46 -04:00

139 lines
5 KiB
EmacsLisp

;;; packages.el --- C/C++ Layer packages File for Spacemacs
;;
;; Copyright (c) 2012-2014 Sylvain Benner
;; Copyright (c) 2014-2015 Sylvain Benner & Contributors
;;
;; Author: Sylvain Benner <sylvain.benner@gmail.com>
;; URL: https://github.com/syl20bnr/spacemacs
;;
;; This file is not part of GNU Emacs.
;;
;;; License: GPLv3
(setq c-c++-packages
'(
cc-mode
cmake-mode
company
company-c-headers
company-ycmd
flycheck
helm-gtags
semantic
srefactor
stickyfunc-enhance
ycmd
))
(unless (version< emacs-version "24.4")
(add-to-list 'c-c++-packages 'srefactor))
(defun c-c++/init-cc-mode ()
(use-package cc-mode
:defer t
:config
(progn
(add-to-list 'auto-mode-alist '("\\.cxx$" . c++-mode))
(add-to-list 'auto-mode-alist '("\\.hpp$" . c++-mode))
(add-to-list 'auto-mode-alist '("\\.h$" . c++-mode))
(require 'compile)
(c-toggle-auto-newline 1)
(evil-leader/set-key-for-mode 'c-mode
"mga" 'projectile-find-other-file
"mgA" 'projectile-find-other-file-other-window)
(evil-leader/set-key-for-mode 'c++-mode
"mga" 'projectile-find-other-file
"mgA" 'projectile-find-other-file-other-window))))
(defun c-c++/init-cmake-mode ()
(use-package cmake-mode
:mode (("CMakeLists\\.txt\\'" . cmake-mode) ("\\.cmake\\'" . cmake-mode))
:init (push 'company-cmake company-backends-cmake-mode)))
(defun c-c++/post-init-flycheck ()
(add-to-hooks 'flycheck-mode '(c-mode-hook c++-mode-hook)))
(defun c-c++/post-init-helm-gtags ()
(spacemacs/helm-gtags-define-keys-for-mode 'c-mode)
(spacemacs/helm-gtags-define-keys-for-mode 'c++-mode))
(defun c-c++/post-init-semantic ()
(semantic/enable-semantic-mode 'c-mode)
(semantic/enable-semantic-mode 'c++-mode))
(defun c-c++/post-init-srefactor ()
(evil-leader/set-key-for-mode 'c-mode "mr" 'srefactor-refactor-at-point)
(evil-leader/set-key-for-mode 'c++-mode "mr" 'srefactor-refactor-at-point)
(add-to-hooks 'spacemacs/lazy-load-srefactor '(c-mode-hook c++-mode-hook)))
(defun c-c++/post-init-stickyfunc-enhance ()
(add-to-hooks 'spacemacs/lazy-load-stickyfunc-enhance '(c-mode-hook c++-mode-hook)))
(when (configuration-layer/layer-usedp 'auto-completion)
(defun c-c++/post-init-company ()
;; push this backend by default
(push '(company-clang :with company-yasnippet)
company-backends-c-mode-common)
(spacemacs|add-company-hook c-mode-common)
(spacemacs|add-company-hook cmake-mode)
;; .clang_complete file loading
;; Sets the arguments for company-clang based on a project-specific text file.
;; START Based on the Sarcasm/irony-mode compilation database code.
(defun company-mode/find-clang-complete-file ()
(when buffer-file-name
(let ((dir (locate-dominating-file buffer-file-name ".clang_complete")))
(when dir
(concat (file-name-as-directory dir) ".clang_complete")))))
(defun company-mode/load-clang-complete-file (cc-file)
"Load the flags from CC-FILE, one flag per line."
(let ((invocation-dir (expand-file-name (file-name-directory cc-file)))
(case-fold-search nil)
compile-flags)
(with-temp-buffer
(insert-file-contents cc-file)
;; Replace relative paths with absolute paths (by @trishume)
;; (goto-char (point-min))
(while (re-search-forward "\\(-I\\|-isystem\n\\)\\(\\S-\\)" nil t)
(replace-match (format "%s%s" (match-string 1)
(expand-file-name (match-string 2) invocation-dir))))
;; Turn lines into a list
(setq compile-flags
;; remove whitespaces at the end of each line, if any
(mapcar #'(lambda (line)
(if (string-match "[ \t]+$" line)
(replace-match "" t t line)
line))
(split-string (buffer-string) "\n" t))))
compile-flags))
;; END Back to things written by @trishume
(defun company-mode/more-than-prefix-guesser ()
(unless company-clang-arguments
(let* ((cc-file (company-mode/find-clang-complete-file))
(flags (if cc-file (company-mode/load-clang-complete-file cc-file) '())))
(setq-local company-clang-arguments flags)
(setq flycheck-clang-args flags)))
(company-clang-guess-prefix))
(setq company-clang-prefix-guesser 'company-mode/more-than-prefix-guesser))
(defun c-c++/init-company-c-headers ()
(use-package company-c-headers
:if (configuration-layer/package-usedp 'company)
:defer t
:init (push 'company-c-headers company-backends-c-mode-common))))
(when (configuration-layer/layer-usedp 'ycmd)
(defun ycmd/post-init-ycmd ()
(add-hook 'c++-mode-hook 'ycmd-mode)
(evil-leader/set-key-for-mode 'c++-mode
"mgg" 'ycmd-goto
"mgG" 'ycmd-goto-imprecise))
(defun ycmd/post-init-company-ycmd ()
(push '(company-ycmd :with company-yasnippet)
company-backends-c-mode-common)))