(require 'auto-complete)

(require 'auto-complete-config)

(ac-config_default)

Auto-completion is a basic plugin. When you input the existed string in a file, emacs will give your some tips.

1.2 yasnippet

(require 'yasnippet)

(yas-global-mode 1)

Yasnnipet is used to complete your code with code-fragments. For example, when you input "for" and press tab in a cpp file, code will be automatically completed as below:

for (i = 0; i < N; i++) {

}

1.3 auto-complete-c-headers

(defun my:ac-c-header-init()

(require 'auto-complete-c-headers)

(add-to-list 'ac-sources 'ac-source-c-headers)

(add-to-list 'achead:include-directories '(("/usr/include/c++/4.8")

("/usr/include/x86_64-linux-gnu/c++/4.8")

("/usr/include/c++/4.8/backward")

("/usr/lib/gcc/x86_64-linux-gnu/4.8/include")

("/usr/local/include")

("/usr/lib/gcc/x86_64-linux-gnu/4.8/include-fixed")

("/usr/include"))))

(add-hook 'c++-mode-hook 'my:ac-c-header-init)

(add-hook 'c-mode-hook 'my:ac-c-header-init)

The "achead:include-directories" are my configuration. The include-directories vary with different systems. In terminal you can check include-directories as below command:

gcc -xc++ -E -v -

Use this plugins, when you press "#include

2 google style

2.1 google-cpplint

Some tools are required in your system

sudo apt-get install python-pip python-dev build-essential

sudo pip install cpplint

Then your can configure your emacs.

(defun my:flymake-google-init()

(require 'flymake-google-cpplint)

(custom-set-variables

'(flymake-google-cpplint-command "/usr/local/bin/cpplint"))

(flymake-google-cpplint-load))

(add-hook 'c-mode-hook 'my:flymake-google-init)

(add-hook 'c++-mode-hook 'my:flymake-google-init)

(require 'google-c-style)

(add-hook 'c-mode-common-hook 'google-set-c-style)

(add-hook 'c-mode-common-hook 'google-make-newline-indent)

This is my configure and maybe your cpplint-command directory isn't "/usr/local/bin/cpplint". you can set the directory as below command.

whereis cpplint

Using cpplint, you will see some "!, " at the begging of line in your .cpp or .h file, because your code isn't fit with google style.

2.2 clang

sudo apt-get install clang3.5 libclang-dev

git clone https://github.com/Sarcasm/irony-mode.git

git clone https://github.com/MJPA/SimpleJSON.git

mv irony-mode* irony-mode

mv SimpleJSon* SimpleJSon

mv SimpleJSon irony-mode/lib

mv SimpleJSon ~/.emacs.d/

cd ~/.emacs.d/SimpleJSon/build

cmake ..

make

sudo make install

The clang version varies with diffrent systems. you can check the package version in your system as the below command:

sudo apptitude search clang

Then you can configure your emacs as below:

(setenv "LD_LIBRARY_PATH" "/usr/lib/llvm-3.5/lib/")

(add-to-list 'load-path (expand-file-name "~/.emacs.d/irony-mode/elisp/"))

(require 'irony)

(irony-enable 'ac)

(defun my:irony-enable()

(when (member major-mode irony-known-modes)

(irony-mode 1)))

(add-hook 'c++-mode-hook 'my:irony-enable)

(add-hook 'c-mode-hook 'my:irony-enable)

Maybe the llvm-lib directory isn't "usr/lib/llvm-3.5/lib". you can search llvm-lib directory as below:

find / -name "llvm"

In reality, We setenv llv-lib because of iron's run is dependent on llvm-lib and it equals with adding llvm-lib in "/etc/ld.so.conf" file.

3 project manager

3.1 projectile

(require 'projectile)

;; 默认全局使用

(projectile-global-mode)

;; 默认打开缓存

(setq projectile-enable-caching t)

;; 使用f5键打开默认文件搜索

(global-set-key [f5] 'projectile-find-file)