Add phpstan autoload option

ale_linters/php/phpstan.vim

@@ -5,6 +5,7 @@
 let g:ale_php_phpstan_executable = get(g:, 'ale_php_phpstan_executable', 'phpstan')
 let g:ale_php_phpstan_level = get(g:, 'ale_php_phpstan_level', '')
 let g:ale_php_phpstan_configuration = get(g:, 'ale_php_phpstan_configuration', '')
+let g:ale_php_phpstan_autoload = get(g:, 'ale_php_phpstan_autoload', '')
 
 function! ale_linters#php#phpstan#GetCommand(buffer, version) abort
     let l:configuration = ale#Var(a:buffer, 'php_phpstan_configuration')
@@ -12,6 +13,11 @@ function! ale_linters#php#phpstan#GetCommand(buffer, version) abort
     \   ? ' -c ' . ale#Escape(l:configuration)
     \   : ''
 
+    let l:autoload = ale#Var(a:buffer, 'php_phpstan_autoload')
+    let l:autoload_option = !empty(l:autoload)
+    \   ? ' -a ' . ale#Escape(l:autoload)
+    \   : ''
+
     let l:level =  ale#Var(a:buffer, 'php_phpstan_level')
     let l:config_file_exists = ale#path#FindNearestFile(a:buffer, 'phpstan.neon')
 
@@ -31,6 +37,7 @@ function! ale_linters#php#phpstan#GetCommand(buffer, version) abort
     return '%e analyze --no-progress'
     \   . l:error_format
     \   . l:configuration_option
+    \   . l:autoload_option
     \   . l:level_option
     \   . ' %s'
 endfunction

doc/ale-php.txt

@@ -171,6 +171,14 @@ g:ale_php_phpstan_configuration               *g:ale_php_phpstan_configuration*
   This variable sets path to phpstan configuration file.
 
 
+g:ale_php_phpstan_autoload                         *g:ale_php_phpstan_autoload*
+                                                   *b:ale_php_phpstan_autoload*
+  Type: |String|
+  Default: `''`
+
+  This variable sets path to phpstan autoload file.
+
+
 ===============================================================================
 psalm                                                           *ale-php-psalm*