Merge pull request #2018 from muglug/patch-1

Update Psalm to use LSP

ale_linters/php/psalm.vim

@@ -1,28 +1,21 @@
-" Author: richard marmorstein <https://github.com/twitchard>
+" Author: Matt Brown <https://github.com/muglug>
 " Description: plugin for Psalm, static analyzer for PHP
 
-call ale#Set('php_psalm_executable', 'psalm')
+call ale#Set('psalm_langserver_executable', 'psalm-language-server')
+call ale#Set('psalm_langserver_use_global', get(g:, 'ale_use_global_executables', 0))
 
-function! ale_linters#php#psalm#Handle(buffer, lines) abort
-    " Matches patterns like the following:
-    let l:pattern = '^.*:\(\d\+\):\(\d\+\):\(\w\+\) - \(.*\)$'
-    let l:output = []
+function! ale_linters#php#psalm#GetProjectRoot(buffer) abort
+    let l:git_path = ale#path#FindNearestDirectory(a:buffer, '.git')
 
-    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
+    return !empty(l:git_path) ? fnamemodify(l:git_path, ':h:h') : ''
 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,
+\   'lsp': 'stdio',
+\   'executable_callback': ale#node#FindExecutableFunc('psalm_langserver', [
+\       'vendor/bin/psalm-language-server',
+\   ]),
+\   'command': '%e',
+\   'project_root_callback': 'ale_linters#php#psalm#GetProjectRoot',
 \})

test/command_callback/test_psalm_command_callbacks.vader

@@ -2,11 +2,28 @@ Before:
   call ale#assert#SetUpLinterTest('php', 'psalm')
 
 After:
+  if isdirectory(g:dir . '/.git')
+    call delete(g:dir . '/.git', 'd')
+  endif
+
   call ale#assert#TearDownLinterTest()
 
-Execute(Custom executables should be used for the executable and command):
-  let g:ale_php_psalm_executable = 'psalm_test'
+Execute(The default executable path should be correct):
+  AssertLinter 'psalm-language-server',
+  \ ale#Escape('psalm-language-server')
 
-  AssertLinter 'psalm_test',
-  \ ale#Escape('psalm_test') . ' --diff --output-format=emacs %s'
+Execute(Vendor executables should be detected):
+  call ale#test#SetFilename('psalm-project/test.php')
 
+  AssertLinter
+  \ ale#path#Simplify(g:dir . '/psalm-project/vendor/bin/psalm-language-server'),
+  \ ale#Escape(ale#path#Simplify(
+  \   g:dir
+  \   . '/psalm-project/vendor/bin/psalm-language-server'
+  \ ))
+
+Execute(The project path should be correct for .git directories):
+  call ale#test#SetFilename('psalm-project/test.php')
+  call mkdir(g:dir . '/.git')
+
+  AssertLSPProject g:dir

test/handler/test_php_psalm_handler.vader

@@ -1,24 +0,0 @@
-Before:
-  runtime ale_linters/php/psalm.vim
-
-After:
-  call ale#linter#Reset()
-
-Execute(The php static analyzer handler should parse errors from psalm):
-  AssertEqual
-  \ [
-  \   {
-  \     'lnum': 1,
-  \     'type': 'W',
-  \     'text': 'somewarning',
-  \   },
-  \   {
-  \     'lnum': 11,
-  \     'type': 'E',
-  \     'text': 'someerror',
-  \   },
-  \ ],
-  \ ale_linters#php#psalm#Handle(347, [
-  \ "/file:1:3:warning - somewarning",
-  \ "/file:11:33:error - someerror",
-  \ ])