Linter addition of PHP Mess Detector

README.md

@@ -75,7 +75,7 @@ name. That seems to be the fairest way to arrange this table.
 | MATLAB | [mlint](https://www.mathworks.com/help/matlab/ref/mlint.html) |
 | OCaml | [merlin](https://github.com/the-lambda-church/merlin) see `:help ale-integration-ocaml-merlin` for configuration instructions
 | Perl | [perl -c](https://perl.org/), [perl-critic](https://metacpan.org/pod/Perl::Critic) |
-| PHP | [hack](http://hacklang.org/), [php -l](https://secure.php.net/), [phpcs](https://github.com/squizlabs/PHP_CodeSniffer) |
+| PHP | [hack](http://hacklang.org/), [php -l](https://secure.php.net/), [phpcs](https://github.com/squizlabs/PHP_CodeSniffer), [phpmd](https://phpmd.org) |
 | Pug | [pug-lint](https://github.com/pugjs/pug-lint) |
 | Puppet | [puppet](https://puppet.com), [puppet-lint](https://puppet-lint.com) |
 | Python | [flake8](http://flake8.pycqa.org/en/latest/), [mypy](http://mypy-lang.org/), [pylint](https://www.pylint.org/) |

ale_linters/php/phpmd.vim

@@ -0,0 +1,41 @@
+" Author: medains <https://github.com/medains>
+" Description: phpmd for PHP files
+
+" Set to change the ruleset
+let g:ale_php_phpmd_ruleset = get(g:, 'ale_php_phpmd_ruleset', 'cleancode,codesize,controversial,design,naming,unusedcode')
+
+function! ale_linters#php#phpmd#Handle(buffer, lines) abort
+    " Matches against lines like the following:
+    "
+    " /path/to/some-filename.php:18 message
+    let l:pattern = '^.*:\(\d\+\)\t\(.\+\)$'
+    let l:output = []
+
+    for l:line in a:lines
+        let l:match = matchlist(l:line, l:pattern)
+
+        if len(l:match) == 0
+            continue
+        endif
+
+        " vcol is Needed to indicate that the column is a character.
+        call add(l:output, {
+        \   'bufnr': a:buffer,
+        \   'lnum': l:match[1] + 0,
+        \   'vcol': 0,
+        \   'col': 0,
+        \   'text': l:match[2],
+        \   'type': 'W',
+        \   'nr': -1,
+        \})
+    endfor
+
+    return l:output
+endfunction
+
+call ale#linter#Define('php', {
+\   'name': 'phpmd',
+\   'executable': 'phpmd',
+\   'command': g:ale#util#stdin_wrapper . ' .php phpmd %s text ' . g:ale_php_phpmd_ruleset . ' --ignore-violations-on-exit',
+\   'callback': 'ale_linters#php#phpmd#Handle',
+\})

doc/ale.txt

@@ -35,6 +35,7 @@ CONTENTS                                                         *ale-contents*
     4.23. python-mypy.....................|ale-linter-options-python-mypy|
     4.24. python-pylint...................|ale-linter-options-python-pylint|
     4.25. erlang..........................|ale-linter-options-erlang|
+    4.26. phpmd...........................|ale-linter-options-phpmd|
   5. Linter Integration Notes.............|ale-linter-integration|
     5.1.  merlin..........................|ale-linter-integration-ocaml-merlin|
     5.2. rust.............................|ale-integration-rust|
@@ -93,7 +94,7 @@ The following languages and tools are supported.
 * MATLAB: 'mlint'
 * OCaml: 'merlin' (see |ale-linter-integration-ocaml-merlin|)
 * Perl: 'perl' (-c flag), 'perlcritic'
-* PHP: 'hack', 'php' (-l flag), 'phpcs'
+* PHP: 'hack', 'php' (-l flag), 'phpcs', 'phpmd'
 * Pug: 'pug-lint'
 * Puppet: 'puppet', 'puppet-lint'
 * Python: 'flake8', 'mypy', 'pylint'
@@ -880,6 +881,17 @@ g:ale_erlang_erlc_options                           *g:ale_erlang_erlc_options*
   This variable controls additional parameters passed to `erlc`, such as `-I`
   or `-pa`.
 
+------------------------------------------------------------------------------
+4.26. phpmd                                       *ale-linter-options-phpmd*
+
+g:ale_php_phpmd_ruleset                           *g:ale_php_phpmd_ruleset*
+
+  Type: |String|
+  Default: 'cleancode,codesize,controversial,design,naming,unusedcode'
+
+  This variable controls the ruleset used by phpmd.  Default is to use all of
+  the available phpmd rulesets
+
 ===============================================================================
 5. Linter Integration Notes                            *ale-linter-integration*