Use sarcasm/irony-mode for autocompletion + flycheck

README.md

@@ -5,4 +5,8 @@ It is mostly based on tuhdo's emacs ide demo: https://github.com/tuhdo/emacs-c-i
 
 This configuration requires the installation of :
  - the GNU global package (for gtags)
+ - clang (for ivory)
+ - cmake (for ivory)
+ - llvm-libs (for cmake, somehow not a dependency on Manjaro when installing cmake)
 
+When first checking out this config, run irony-install-server to make and install the irony-server.

custom/setup-autocompletion.el

@@ -1,6 +1,19 @@
+;; Add irony as company-backend
 (eval-after-load 'company
-  '(progn
-     (define-key company-mode-map (kbd "C-:") 'helm-company)
-     (define-key company-active-map (kbd "C-:") 'helm-company)))
+  '(add-to-list 'company-backends 'company-irony))
+
+;; Add irony as flycheck hook
+(eval-after-load 'flycheck
+  '(add-hook 'flycheck-mode-hook 'flycheck-irony-setup))
+
+(add-hook 'irony-mode-hook 'irony-cdb-autosetup-compile-options)
+
+;; Add irony-, flycheck-, company-mode to c-mode
+(add-hook 'c-mode-hook 'irony-mode)
+(add-hook 'c-mode-hook 'flycheck-mode)
+(add-hook 'c-mode-hook 'company-mode)
+
+;; Set tab to autocomplete or indent depending on context
+(global-set-key (kbd "<tab>") 'company-indent-or-complete-common)
 
 (provide 'setup-autocompletion)

custom/setup-editing.el

@@ -1,4 +1,4 @@
- (setq global-mark-ring-max 5000         ; increase mark ring to contains 5000 entries
+(setq global-mark-ring-max 5000         ; increase mark ring to contains 5000 entries
       mark-ring-max 5000                ; increase kill ring to contains 5000 entries
       mode-require-final-newline t      ; add a newline to end of file
       )

init.el

@@ -46,6 +46,9 @@
     yasnippet
     sr-speedbar
     company
+    irony
+    company-irony
+    flycheck-irony
     helm
     helm-gtags
     helm-swoop
@@ -97,7 +100,7 @@
  ;; 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.
- '(package-selected-packages (quote (helm-swoop helm))))
+ '(package-selected-packages (quote (irony helm-swoop helm))))
 (custom-set-faces
  ;; custom-set-faces was added by Custom.
  ;; If you edit it by hand, you could mess it up, so be careful.