Merge remote-tracking branch 'randrej/master' into c-clang-tidy

1 files changed, 64 insertions, 0 deletions

diff --git a/ale_linters/c/clangtidy.vim b/ale_linters/c/clangtidy.vim
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+++ b/ale_linters/c/clangtidy.vim
@@ -0,0 +1,64 @@
+" Author: vdeurzen <tim@kompiler.org>, w0rp <devw0rp@gmail.com>,
+" gagbo <gagbobada@gmail.com>, Andrej Radovic <r.andrej@gmail.com>
+" Description: clang-tidy linter for c files
+
+call ale#Set('c_clangtidy_executable', 'clang-tidy')
+" Set this option to check the checks clang-tidy will apply.
+" The number of checks that can be applied to C files is limited in contrast to
+" C++
+"
+" Consult the check list in clang-tidy's documentation:
+" http://clang.llvm.org/extra/clang-tidy/checks/list.html
+
+call ale#Set('c_clangtidy_checks', ['*'])
+" Set this option to manually set some options for clang-tidy.
+" This will disable compile_commands.json detection.
+call ale#Set('c_clangtidy_options', '')
+call ale#Set('c_build_dir', '')
+
+function! ale_linters#c#clangtidy#GetExecutable(buffer) abort
+    return ale#Var(a:buffer, 'c_clangtidy_executable')
+endfunction
+
+function! s:GetBuildDirectory(buffer) abort
+    " Don't include build directory for header files, as compile_commands.json
+    " files don't consider headers to be translation units, and provide no
+    " commands for compiling header files.
+    if expand('#' . a:buffer) =~# '\v\.(h|hpp)$'
+        return ''
+    endif
+
+    let l:build_dir = ale#Var(a:buffer, 'c_build_dir')
+
+    " c_build_dir has the priority if defined
+    if !empty(l:build_dir)
+        return l:build_dir
+    endif
+
+    return ale#c#FindCompileCommands(a:buffer)
+endfunction
+
+function! ale_linters#c#clangtidy#GetCommand(buffer) abort
+    let l:checks = join(ale#Var(a:buffer, 'c_clangtidy_checks'), ',')
+    let l:build_dir = s:GetBuildDirectory(a:buffer)
+
+    " Get the extra options if we couldn't find a build directory.
+    let l:options = empty(l:build_dir)
+    \   ? ale#Var(a:buffer, 'c_clangtidy_options')
+    \   : ''
+
+    return ale#Escape(ale_linters#c#clangtidy#GetExecutable(a:buffer))
+    \   . (!empty(l:checks) ? ' -checks=' . ale#Escape(l:checks) : '')
+    \   . ' %s'
+    \   . (!empty(l:build_dir) ? ' -p ' . ale#Escape(l:build_dir) : '')
+    \   . (!empty(l:options) ? ' -- ' . l:options : '')
+endfunction
+
+call ale#linter#Define('c', {
+\   'name': 'clangtidy',
+\   'output_stream': 'stdout',
+\   'executable_callback': 'ale_linters#c#clangtidy#GetExecutable',
+\   'command_callback': 'ale_linters#c#clangtidy#GetCommand',
+\   'callback': 'ale#handlers#gcc#HandleGCCFormat',
+\   'lint_file': 1,
+\})