check nil

Author: sumneko

script/core/diagnostics/incomplete-signature-doc.lua

@@ -59,7 +59,7 @@ return function (uri, callback)
 
         local functionName = source.parent[1]
 
-        if #source.args > 0 then
+        if source.args and #source.args > 0 then
             for _, arg in ipairs(source.args) do
                 local argName = arg[1]
                 if argName ~= 'self' then

script/core/diagnostics/missing-local-export-doc.lua

@@ -10,6 +10,9 @@ local function findSetField(ast, name, callback)
         await.delay()
         if source.node[1] == name then
             local funcPtr = source.value.node
+            if not funcPtr then
+                return
+            end
             local func = funcPtr.value
             if funcPtr.type == 'local' and func.type == 'function' then
                 helper.CheckFunction(func, callback, 'DIAG_MISSING_LOCAL_EXPORT_DOC_COMMENT', 'DIAG_MISSING_LOCAL_EXPORT_DOC_PARAM', 'DIAG_MISSING_LOCAL_EXPORT_DOC_RETURN')