function! s:DebugStringFunBase(desc, var)
    " Escape quotes in description
    let l:desc = a:desc
    if stridx('"', l:desc)
        let l:desc = substitute(l:desc, '"', '\\"', "g")
    endif

    let l:debug_str = 'print("' . l:desc . '", ' . a:var . ')'
    return l:debug_str
endfunc

command! -buffer -nargs=0 AddDebugString
            \ put=s:DebugStringFunBase(g:DebugstringPrefixStr(), g:debugStringCounter)
command! -buffer -nargs=1 AddDebugStringExpr
            \ put=s:DebugStringFunBase(<args> . ': ', <args>)