Merge remote-tracking branch 'upstream/master' into floattitlefloattitle

1 files changed, 12 insertions, 10 deletions

diff --git a/runtime/lua/vim/treesitter/language.lua b/runtime/lua/vim/treesitter/language.lua
index dfb6f5be84..c92d63b8c4 100644
--- a/runtime/lua/vim/treesitter/language.lua
+++ b/runtime/lua/vim/treesitter/language.lua
@@ -2,14 +2,16 @@ local a = vim.api
 
 local M = {}
 
---- Asserts that the provided language is installed, and optionally provide a path for the parser
+--- Asserts that a parser for the language {lang} is installed.
 ---
---- Parsers are searched in the `parser` runtime directory.
+--- Parsers are searched in the `parser` runtime directory, or the provided {path}
 ---
----@param lang The language the parser should parse
----@param path Optional path the parser is located at
----@param silent Don't throw an error if language not found
-function M.require_language(lang, path, silent)
+---@param lang string Language the parser should parse
+---@param path (string|nil) Optional path the parser is located at
+---@param silent (boolean|nil) Don't throw an error if language not found
+---@param symbol_name (string|nil) Internal symbol name for the language to load
+---@return boolean If the specified language is installed
+function M.require_language(lang, path, silent, symbol_name)
   if vim._ts_has_language(lang) then
     return true
   end
@@ -21,7 +23,6 @@ function M.require_language(lang, path, silent)
         return false
       end
 
-      -- TODO(bfredl): help tag?
       error("no parser for '" .. lang .. "' language, see :help treesitter-parsers")
     end
     path = paths[1]
@@ -29,10 +30,10 @@ function M.require_language(lang, path, silent)
 
   if silent then
     return pcall(function()
-      vim._ts_add_language(path, lang)
+      vim._ts_add_language(path, lang, symbol_name)
     end)
   else
-    vim._ts_add_language(path, lang)
+    vim._ts_add_language(path, lang, symbol_name)
   end
 
   return true
@@ -42,7 +43,8 @@ end
 ---
 --- Inspecting provides some useful information on the language like node names, ...
 ---
----@param lang The language.
+---@param lang string Language
+---@return table
 function M.inspect_language(lang)
   M.require_language(lang)
   return vim._ts_inspect_language(lang)