#1278 Allow linters to be defined pretty much anywhere

1 files changed, 10 insertions, 8 deletions

diff --git a/autoload/ale/linter.vim b/autoload/ale/linter.vim
index 7e32b7bc..8aec2598 100644
--- a/autoload/ale/linter.vim
+++ b/autoload/ale/linter.vim
@@ -3,6 +3,7 @@ call ale#Set('wrap_command_as_one_argument', 0)
 " Description: Linter registration and lazy-loading
 "   Retrieves linters as requested by the engine, loading them if needed.
 
+let s:runtime_loaded_map = {}
 let s:linters = {}
 
 " Default filetype aliases.
@@ -38,6 +39,7 @@ let s:default_ale_linters = {
 
 " Testing/debugging helper to unload all linters.
 function! ale#linter#Reset() abort
+    let s:runtime_loaded_map = {}
     let s:linters = {}
 endfunction
 
@@ -250,20 +252,20 @@ function! ale#linter#Define(filetype, linter) abort
     call add(s:linters[a:filetype], l:new_linter)
 endfunction
 
+" Prevent any linters from being loaded for a given filetype.
+function! ale#linter#PreventLoading(filetype) abort
+    let s:runtime_loaded_map[a:filetype] = 1
+endfunction
+
 function! ale#linter#GetAll(filetypes) abort
     let l:combined_linters = []
 
     for l:filetype in a:filetypes
-        " Load linter defintions from files if we haven't loaded them yet.
-        if !has_key(s:linters, l:filetype)
+        " Load linters from runtimepath if we haven't done that yet.
+        if !has_key(s:runtime_loaded_map, l:filetype)
             execute 'silent! runtime! ale_linters/' . l:filetype . '/*.vim'
 
-            " Always set an empty List for the loaded linters if we don't find
-            " any. This will prevent us from executing the runtime command
-            " many times, redundantly.
-            if !has_key(s:linters, l:filetype)
-                let s:linters[l:filetype] = []
-            endif
+            let s:runtime_loaded_map[l:filetype] = 1
         endif
 
         call extend(l:combined_linters, get(s:linters, l:filetype, []))