3 files changed, 48 insertions, 3 deletions
diff --git a/ale_linters/haskell/hlint.vim b/ale_linters/haskell/hlint.vim
index be40d92c..3ee864bf 100644
--- a/ale_linters/haskell/hlint.vim
+++ b/ale_linters/haskell/hlint.vim
@@ -1,6 +1,9 @@
 " Author: jparoz <jesse.paroz@gmail.com>
 " Description: hlint for Haskell files
 
+call ale#Set('haskell_hlint_executable', 'hlint')
+call ale#Set('haskell_hlint_options', get(g:, 'hlint_options', ''))
+
 function! ale_linters#haskell#hlint#Handle(buffer, lines) abort
     let l:output = []
 
@@ -26,9 +29,17 @@ function! ale_linters#haskell#hlint#Handle(buffer, lines) abort
     return l:output
 endfunction
 
+function! ale_linters#haskell#hlint#GetCommand(buffer) abort
+    let l:hlintopts = '--color=never --json'
+
+    return '%e'
+    \      . ' ' . ale#Var(a:buffer, 'haskell_hlint_options')
+    \      . ' ' . l:hlintopts . ' -'
+endfunction
+
 call ale#linter#Define('haskell', {
 \   'name': 'hlint',
-\   'executable': 'hlint',
-\   'command': 'hlint --color=never --json -',
+\   'executable_callback': ale#VarFunc('haskell_hlint_executable'),
+\   'command_callback': 'ale_linters#haskell#hlint#GetCommand',
 \   'callback': 'ale_linters#haskell#hlint#Handle',
 \})
diff --git a/ale_linters/php/psalm.vim b/ale_linters/php/psalm.vim
new file mode 100644
index 00000000..cd20ab81
--- /dev/null
+++ b/ale_linters/php/psalm.vim
@@ -0,0 +1,28 @@
+" Author: richard marmorstein <https://github.com/twitchard>
+" Description: plugin for Psalm, static analyzer for PHP
+
+call ale#Set('php_psalm_executable', 'psalm')
+
+function! ale_linters#php#psalm#Handle(buffer, lines) abort
+    " Matches patterns like the following:
+    let l:pattern = '^.*:\(\d\+\):\(\d\+\):\(\w\+\) - \(.*\)$'
+    let l:output = []
+
+    for l:match in ale#util#GetMatches(a:lines, l:pattern)
+        call add(l:output, {
+        \   'lnum': l:match[1] + 0,
+        \   'text': l:match[4],
+        \   'type': l:match[3][:0] is# 'e' ? 'E' : 'W',
+        \})
+    endfor
+
+    return l:output
+endfunction
+
+call ale#linter#Define('php', {
+\   'name': 'psalm',
+\   'command': '%e --diff --output-format=emacs %s',
+\   'executable_callback': ale#VarFunc('php_psalm_executable'),
+\   'callback': 'ale_linters#php#psalm#Handle',
+\   'lint_file': 1,
+\})
diff --git a/ale_linters/scss/stylelint.vim b/ale_linters/scss/stylelint.vim
index 6d183b4a..2bffa8e1 100644
--- a/ale_linters/scss/stylelint.vim
+++ b/ale_linters/scss/stylelint.vim
@@ -1,13 +1,19 @@
 " Author: diartyz <diartyz@gmail.com>
 
 call ale#Set('scss_stylelint_executable', 'stylelint')
+call ale#Set('scss_stylelint_options', '')
 call ale#Set('scss_stylelint_use_global', get(g:, 'ale_use_global_executables', 0))
 
+function! ale_linters#scss#stylelint#GetCommand(buffer) abort
+    return '%e ' . ale#Pad(ale#Var(a:buffer, 'scss_stylelint_options'))
+    \   . ' --stdin-filename %s'
+endfunction
+
 call ale#linter#Define('scss', {
 \   'name': 'stylelint',
 \   'executable_callback': ale#node#FindExecutableFunc('scss_stylelint', [
 \       'node_modules/.bin/stylelint',
 \   ]),
-\   'command': '%e --stdin-filename %s',
+\   'command_callback': 'ale_linters#scss#stylelint#GetCommand',
 \   'callback': 'ale#handlers#css#HandleStyleLintFormat',
 \})