Neomaker maker for eosio contract development

eosio_cpp.exrc

let g:neomake_cpp_enabled_makers = ["eosio_cpp"]

let g:neomake_cpp_eosio_cpp_maker = {
    \ 'exe': 'eosio-cpp',
    \ 'args': ['-c', '-o', g:neomake#compat#dev_null],
    \ 'errorformat':
        \ '%-G%f:%s:,' .
        \ '%f:%l:%c: %trror: %m,' .
        \ '%f:%l:%c: %tarning: %m,' .
        \ '%I%f:%l:%c: note: %m,' .
        \ '%f:%l:%c: %m,'.
        \ '%f:%l: %trror: %m,'.
        \ '%f:%l: %tarning: %m,'.
        \ '%I%f:%l: note: %m,'.
        \ '%f:%l: %m'
    \ }