Merge pull request #158 from mshr-h/support-clang-for-c

Add support for clang for C language

README.md

@@ -50,7 +50,7 @@ name. That seems to be the fairest way to arrange this table.
 | Ansible | [ansible-lint](https://github.com/willthames/ansible-lint) |
 | Bash | [-n flag](https://www.gnu.org/software/bash/manual/bash.html#index-set), [shellcheck](https://www.shellcheck.net/) |
 | Bourne Shell | [-n flag](http://linux.die.net/man/1/sh), [shellcheck](https://www.shellcheck.net/) |
-| C | [cppcheck](http://cppcheck.sourceforge.net), [gcc](https://gcc.gnu.org/)|
+| C | [cppcheck](http://cppcheck.sourceforge.net), [gcc](https://gcc.gnu.org/), [clang](http://clang.llvm.org/)|
 | C++ (filetype cpp) | [cppcheck] (http://cppcheck.sourceforge.net), [gcc](https://gcc.gnu.org/)|
 | CoffeeScript | [coffee](http://coffeescript.org/), [coffeelint](https://www.npmjs.com/package/coffeelint) |
 | CSS | [csslint](http://csslint.net/) |

ale_linters/c/clang.vim

@@ -0,0 +1,20 @@
+" Author: Masahiro H https://github.com/mshr-h
+" Description: clang linter for c files
+
+" Set this option to change the Clang options for warnings for C.
+if !exists('g:ale_c_clang_options')
+    " let g:ale_c_clang_options = '-Wall'
+    " let g:ale_c_clang_options = '-std=c99 -Wall'
+    " c11 compatible
+    let g:ale_c_clang_options = '-std=c11 -Wall'
+endif
+
+call ale#linter#Define('c', {
+\   'name': 'clang',
+\   'output_stream': 'stderr',
+\   'executable': 'clang',
+\   'command': 'clang -S -x c -fsyntax-only '
+\       . g:ale_c_clang_options
+\       . ' -',
+\   'callback': 'ale#handlers#HandleGCCFormat',
+\})

doc/ale.txt

@@ -55,7 +55,7 @@ The following languages and tools are supported.
 * Ansible: 'ansible-lint'
 * Bash: 'shell' (-n flag), 'shellcheck'
 * Bourne Shell: 'shell' (-n flag), 'shellcheck'
-* C: 'cppcheck', 'gcc'
+* C: 'cppcheck', 'gcc', 'clang'
 * C++ (filetype cpp): 'cppcheck', 'gcc'
 * CoffeeScript: 'coffee', 'coffelint'
 * CSS: 'csslint'
@@ -561,6 +561,17 @@ g:ale_html_htmlhint_options                         *g:ale_html_htmlhint_options
   This variable can be changed to modify flags given to HTMLHint.
 
 
+-------------------------------------------------------------------------------
+4.5. c-gcc                                         *ale-linter-options-c-clang*
+
+g:ale_c_clang_options                                   *g:ale_c_clang_options*
+
+  Type: |String|
+  Default: `'-std=c11 -Wall'`
+
+  This variable can be change to modify flags given to clang.
+
+
 ===============================================================================
 5. Commands/Keybinds                                             *ale-commands*