Vim 写 C/C++ 的配置

.vimrc 2018/08/08 更新

• 基本的配置，缩进显示行号等
• 给每个 C/C++ 文件添加头部，显示作者，文件创建时间
• F5 编译执行 C/C++源代码
• Ctrl + F 利用用 astyle 格式化代码
• 使用 clang_complete 对代码进行补全

set number

syntax on

" -- New file .h .c .cpp, add file header --

autocmd BufNeWFile *.[ch],*.cpp exec ":call CFileHeader()"

func CFileHeader()

        call setline(1, "// File:    ".strftime(expand('%d')))

        call append(line("."), "// Author:  xianhui ([email protected])")

        call append(line(".")+1, "// Date:    " .strftime("%Y/%m/%d %H:%M:%S"))

        call append(line(".")+2, "")

        exec "$"

endfunc

" -- .c .cpp .h file indent --

autocmd BufEnter *.[ch],*.cpp exec ":call CFileIndent()"

func CFileIndent()

        set cindent

        set tabstop=4

        set softtabstop=4

        set expandtab

        set shiftwidth=4

endfunc

" -- Use Astyle to format code, <Ctrl + F> --

func CodeFormat()

        exec "w"

        if &filetype == "h"

                exec "!astyle -n --style=kr -s4 %"

        elseif &filetype == "c"

                exec "!astyle -n --style=kr -s4 %"

        elseif &filetype == "cpp"

                exec "!astyle -n --style=google %"

        endif

endfunc

map <C-F> :call CodeFormat() <CR>

" -- F5 compile and run code --

func CompileC()

        exec "w"

        let compilecmd = "!clang "

        if search("math\.h") != 0

                let compileflag .= "-lm"

        endif

        exec compilecmd." % ".compileflag

endfunc

func CompileCpp()

        exec "w"

        let compilecmd = "!clang++ "

        let compileflag = ""

        exec compilecmd." % ".compileflag

endfunc

func CompileRun()

        exec "w"

        if &filetype == "c"

                exec "call CompileC()"

        elseif &filetype == "cpp"

                exec "call CompileCpp()"

        endif

        exec "! ./a.out"

endfunc

map<F5> <ESC> :call CompileRun() <CR>

" use clang_complete complete code

let g:clang_library_path = '/usr/lib/llvm-3.8/lib'

"let g:clang_library_path = 'usr/lib64/libclang.so.3.8'