docgen: when no description provided fallback to reading function from source

1 files changed, 17 insertions, 0 deletions

diff --git a/scripts/docgen.lua b/scripts/docgen.lua
index 33f78130..42ae95cd 100644
--- a/scripts/docgen.lua
+++ b/scripts/docgen.lua
@@ -114,6 +114,23 @@ local function make_lsp_sections()
             local description = ((docs or {}).default_config or {})[k]
             if description and type(description) ~= 'string' then
               description = inspect(description)
+            elseif not description and type(v) == "function" then
+              local info = debug.getinfo(v)
+              local file = io.open(string.sub(info.source, 2), 'r')
+
+              local fileContent = {}
+              for line in file:lines() do
+                table.insert (fileContent, line)
+              end
+              io.close(file)
+
+              local root_dir = {}
+              for i = info.linedefined, info.lastlinedefined do
+                table.insert(root_dir, fileContent[i])
+              end
+
+              description = table.concat(root_dir, '\n')
+              description = string.gsub(description, ".*function", "function")
             end
             return indent(2, string.format("%s = %s", k, description or inspect(v)))
           end)