Always emit `events.LANGUAGE_MODULE_LOADED`; modules/textadept/mime_types.lua

Creates an empty language-specific module if none exists. This enables users to
add keys and snippets for any lexer without an existing language-specific
module. It also allows themes to override styles for any lexer.

1 files changed, 5 insertions, 6 deletions

diff --git a/modules/textadept/mime_types.lua b/modules/textadept/mime_types.lua
index 39ba8be7..be21824e 100644
--- a/modules/textadept/mime_types.lua
+++ b/modules/textadept/mime_types.lua
@@ -88,12 +88,11 @@ local function set_lexer(buffer, lang)
   buffer._lexer = lang
   buffer:private_lexer_call(SETDIRECTPOINTER, buffer.direct_pointer)
   buffer:private_lexer_call(SETLEXERLANGUAGE, lang)
-  if package.searchpath(lang, package.path) then
-    _M[lang] = require(lang)
-    local post_init = lang..'.post_init'
-    if package.searchpath(post_init, package.path) then require(post_init) end
-    events.emit(events.LANGUAGE_MODULE_LOADED, lang)
-  end
+  _M[lang] = package.searchpath(lang, package.path) and require(lang) or {}
+  keys[lang], snippets[lang] = keys[lang] or {}, snippets[lang] or {}
+  local post_init = lang..'.post_init'
+  if package.searchpath(post_init, package.path) then require(post_init) end
+  events.emit(events.LANGUAGE_MODULE_LOADED, lang)
   local last_line = buffer.first_visible_line + buffer.lines_on_screen
   buffer:colourise(0, buffer:position_from_line(last_line + 1))
 end