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" Author: vdeurzen <tim@kompiler.org>, w0rp <devw0rp@gmail.com>,
" gagbo <gagbobada@gmail.com>
" Description: clang-tidy linter for cpp files
call ale#Set('cpp_clangtidy_executable', 'clang-tidy')
" Set this option to check the checks clang-tidy will apply.
call ale#Set('cpp_clangtidy_checks', [])
" Set this option to manually set some options for clang-tidy to use as compile
" flags.
" This will disable compile_commands.json detection.
call ale#Set('cpp_clangtidy_options', '')
" Set this option to manually set options for clang-tidy directly.
call ale#Set('cpp_clangtidy_extra_options', '')
call ale#Set('c_build_dir', '')
function! ale_linters#cpp#clangtidy#GetCommand(buffer, output) abort
let l:checks = join(ale#Var(a:buffer, 'cpp_clangtidy_checks'), ',')
let l:build_dir = ale#c#GetBuildDirectory(a:buffer)
let l:options = ''
" Get the extra options if we couldn't find a build directory.
if empty(l:build_dir)
let l:options = ale#Var(a:buffer, 'cpp_clangtidy_options')
let l:cflags = ale#c#GetCFlags(a:buffer, a:output)
let l:options .= !empty(l:options) ? ale#Pad(l:cflags) : l:cflags
" Tell clang-tidy a .h header with a C++ filetype in Vim is a C++ file
" only when compile-commands.json file is not there. Adding these
" flags makes clang-tidy completely ignore compile commmands.
if expand('#' . a:buffer) =~# '\.h$'
let l:options .= !empty(l:options) ? ' -x c++' : '-x c++'
endif
endif
" Get the options to pass directly to clang-tidy
let l:extra_options = ale#Var(a:buffer, 'cpp_clangtidy_extra_options')
return '%e'
\ . (!empty(l:checks) ? ' -checks=' . ale#Escape(l:checks) : '')
\ . (!empty(l:extra_options) ? ' ' . ale#Escape(l:extra_options) : '')
\ . ' %s'
\ . (!empty(l:build_dir) ? ' -p ' . ale#Escape(l:build_dir) : '')
\ . (!empty(l:options) ? ' -- ' . l:options : '')
endfunction
call ale#linter#Define('cpp', {
\ 'name': 'clangtidy',
\ 'output_stream': 'stdout',
\ 'executable': {b -> ale#Var(b, 'cpp_clangtidy_executable')},
\ 'command': {b -> ale#c#RunMakeCommand(b, function('ale_linters#cpp#clangtidy#GetCommand'))},
\ 'callback': 'ale#handlers#gcc#HandleGCCFormat',
\ 'lint_file': 1,
\})
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