Update emacs to support C/C++ dev

dotfiles/bash/scripts/cgen.sh

@@ -5,7 +5,11 @@ cmake_version=$2
 c_standard=$3
 
 # Finds the directory of this script
-script_dir=$(cd "$( dirname "`readlink -f ${BASH_SOURCE[0]}`")" && pwd)
+if [[ "$OS_TYPE" == "linux-gnu" ]]; then
+  script_dir=$(cd "$( dirname "`readlink -f ${BASH_SOURCE[0]}`")" && pwd)
+else
+  script_dir=$(cd "$( dirname "`greadlink -f ${BASH_SOURCE[0]}`")" && pwd)
+fi
 
 if [ -z $name ]
 then

dotfiles/emacs.d/init.el

@@ -156,6 +156,9 @@ There are two things you can do about this warning:
 (add-hook 'lisp-interaction-mode-hook #'enable-paredit-mode)
 (add-hook 'scheme-mode-hook           #'enable-paredit-mode)
 
+(add-hook 'c-mode-hook 'counsel-gtags-mode)
+(add-hook 'c++-mode-hook 'counsel-gtags-mode)
+
 (require 'rainbow-delimiters)
 
 (add-hook 'clojure-mode-hook 'rainbow-delimiters-mode)
@@ -208,6 +211,15 @@ There are two things you can do about this warning:
 ;; Press <f2> in lisp mode to evaluate the current defun in SLIME.
 (define-key lisp-mode-map (kbd "<f2>") 'slime-eval-defun)
 
+;; ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+
+(with-eval-after-load 'counsel-gtags
+  (define-key counsel-gtags-mode-map (kbd "M-t") 'counsel-gtags-find-definition)
+  (define-key counsel-gtags-mode-map (kbd "M-r") 'counsel-gtags-find-reference)
+  (define-key counsel-gtags-mode-map (kbd "M-s") 'counsel-gtags-find-symbol)
+  (define-key counsel-gtags-mode-map (kbd "M-,") 'counsel-gtags-go-backward))
+
 ;;--------------------------------------------------------------------------------------
 ;; Install and load Packages
 ;;--------------------------------------------------------------------------------------

dotfiles/emacs.d/package.el

@@ -69,6 +69,7 @@
                       grizzl
                       smex
                       projectile
+		      counsel-gtags
                       ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 
 		      )