I broke up with neovim....vim is my best friend now

dot_vim/plugged/ale/ale_linters/cpp/ccls.vim

@@ -0,0 +1,15 @@
+" Author: Ye Jingchen <ye.jingchen@gmail.com>, Ben Falconer <ben@falconers.me.uk>, jtalowell <jtalowell@protonmail.com>
+" Description: A language server for C++
+
+call ale#Set('cpp_ccls_executable', 'ccls')
+call ale#Set('cpp_ccls_init_options', {})
+call ale#Set('c_build_dir', '')
+
+call ale#linter#Define('cpp', {
+\   'name': 'ccls',
+\   'lsp': 'stdio',
+\   'executable': {b -> ale#Var(b, 'cpp_ccls_executable')},
+\   'command': '%e',
+\   'project_root': function('ale#handlers#ccls#GetProjectRoot'),
+\   'initialization_options': {b -> ale#handlers#ccls#GetInitOpts(b, 'cpp_ccls_init_options')},
+\})