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c c++ python shell vim

Vim [compile and] run shortcut

发布于 2013-08-18 06:00:25

Basically what I want is a keyboard shortcut in vim that lets me [compile and] run the currently being edited C, C++ or Python program. In psuedocode:

when a shortcut key is pressed:
    if current_extension == 'c' then
        shell: gcc this_filename.c -o this_filename_without_extension
        if retcode == 0 then shell: ./this_filename_without_extension
    else if current_extension == 'cpp' then
        shell: g++ this_filename.cpp -o this_filename_without_extension
    if retcode == 0 then shell: ./this_filename_without_extension
    else if current_extension == 'py' then
        shell: python this_filename.py
    end if
end key

I realise I might be asking a bit much but would love it if this was possible!

Questioner
user1318194
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FDinoff 2013-08-18 14:23:30

Something like this would work. Just create filetype autocmd that map <F4> or whatever you want to save and compile and run the program. It uses exec to build the string and uses shellescape to escape the file name.

autocmd filetype python nnoremap <F4> :w <bar> exec '!python '.shellescape('%')<CR>
autocmd filetype c nnoremap <F4> :w <bar> exec '!gcc '.shellescape('%').' -o '.shellescape('%:r').' && ./'.shellescape('%:r')<CR>
autocmd filetype cpp nnoremap <F4> :w <bar> exec '!g++ '.shellescape('%').' -o '.shellescape('%:r').' && ./'.shellescape('%:r')<CR>

% is the current buffer filename. %:r is the buffer filename without extension

FDinoff 2013-08-18 06:20:16

@DuncanNZ If you were going to be creating a lot of these you might want to write a function. Although I do think a solution with make is the proper way to go as this really only works if you only ever need to create a single source file. which might work for scratch files but will not work for any projects.

user1318194 2013-08-18 06:20:22

One thing I added was && echo Compilation complete before the last && because the programming competition questions can't prompt for input so I don't know when it's compiled. But thanks again for the awesome solution!

Luc Hermitte 2014-02-10 17:57:16

These mapping should be buffer-local. Moreover, :make is to be preferred over calling directly the compiler.

Konrad 2017-01-08 17:26:17

Thanks for this handy answer, assuming that I would like to add C++ 11 flags, shall I just change !g++ ' to 'g++ -std=c++11 ' in (...) '!g++ '.shellescape('%').' (...)?

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