Recommended configuration for using Vim for C language development on Linux systems

Recommended configuration for using Vim for C language development on Linux systems

Introduction:
In the learning and development of computer science, C language is a very important and widely used programming language. On Linux systems, Vim is a powerful text editor that is flexible, customizable and efficient. This article will introduce how to configure Vim to meet the needs of C language development, optimize the development experience and improve work efficiency.

1. Installing Vim
   First, make sure Vim is installed on your Linux system. You can check it with the following command:

   $ vim --version

   If the version information of Vim is displayed, it means it has been installed. If it is not installed, use the following command to install it:

   $ sudo apt-get update
   $ sudo apt-get install vim

2. Manage Vim configuration file
   Vim’s configuration information is saved in the .vimrc file in the user directory. If the file does not exist, it can be created with the following command:

   $ touch ~/.vimrc

   The file can then be opened and edited using any text editor.

3. Basic configuration
   The following are some basic configuration options that can be added to the .vimrc file:

   " 设置缩进为4个空格
   set tabstop=4
   set shiftwidth=4
   set expandtab
   
   " 显示行号和状态栏
   set number
   set ruler
   
   " 启用语法高亮
   syntax enable
   
   " 启用自动补全
   set omnifunc=syntaxcomplete#Complete
   
   " 设置文件编码为UTF-8
   set encoding=utf-8

   These configurations will set the indentation to 4 spaces, display line numbers and status bar, enable syntax highlighting and auto-completion, and set the file encoding to UTF-8.

4. Install Plug-in Manager
   The power of Vim lies in its extensibility. By installing the plug-in manager, you can manage and install various plug-ins more conveniently. It is recommended to use the Vundle plug-in manager, which can be installed through the following command:

   $ git clone https://github.com/VundleVim/Vundle.vim.git ~/.vim/bundle/Vundle.vim

   Then add the following configuration in the .vimrc file to enable the plug-in manager:

   " Vundle插件管理器配置
   set nocompatible
   
   filetype off
   set rtp+=~/.vim/bundle/Vundle.vim
   call vundle#begin()
   
   " 在此处添加你所需的插件
   
   call vundle#end()
   filetype plugin indent on

5. Install commonly used plug-ins
   Now you can start installing some commonly used plug-ins to enhance Vim's functions. The following are some recommended plug-ins and their installation steps:

a. NERDTree: File Explorer plug-in, which can be installed with the following command:

Plugin 'scrooloose/nerdtree'

Then in the .vimrc file Add the following shortcut key configuration for easier use:

" 使用F2快捷键打开/关闭NERDTree
map <F2> :NERDTreeToggle<CR>

b. YouCompleteMe: Auto-completion plug-in, which can be installed through the following command. Please ensure that your system has installed the CMake and Python development libraries:

Plugin 'valloric/youcompleteme'

Then add the following configuration in the .vimrc file to enable the plug-in:

" YouCompleteMe插件配置
let g:ycm_autoclose_preview_window_after_completion=1
let g:ycm_min_num_of_chars_for_completion=2
let g:ycm_semantic_triggers=1
set completeopt=menuone,menu,longest
map <F3> :YcmCompleter GoToDefinitionElseDeclaration<CR>

c. tagbar: code navigation plug-in, which can be installed through the following command. Please ensure that your system has ctags installed:

Plugin 'majutsushi/tagbar'

Then add the following shortcut key configuration in the .vimrc file for convenience:

" 使用F4快捷键打开/关闭tagbar
map <F4> :TagbarToggle<CR>

6. Other commonly used configurations
   The following are some other commonly used configuration options, You can set it according to your personal preferences:

   " 设置文本搜索时忽略大小写
   set ignorecase
   set smartcase
   
   " 启用括号自动补全
   inoremap ( ()<LEFT>
   inoremap { {}<LEFT>
   inoremap [ []<LEFT>
   
   " 关闭自动备份和换行符转换
   set nobackup
   set nowritebackup
   set noswapfile
   set fileformat=unix
   
   " 设置代码折叠
   set foldmethod=indent
   set foldlevel=1

Conclusion:
Through the above configuration, your Vim will have some powerful functions and tools, which can make C language development more convenient . Of course, these are just some recommended configuration options that you can customize according to your own needs. I hope this article has provided some help for you to use Vim for C language development on Linux. Happy programming!

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