From 05b8cf4e0f92798c08aceb74891de5fb025ae1fb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=9C=80=E8=90=8C=E5=B0=8F=E6=B1=90?= <sumneko@hotmail.com>
Date: Fri, 17 Jun 2022 15:51:03 +0800
Subject: fix #1223 count returns of `doc.type.function`

---
 script/core/diagnostics/missing-parameter.lua | 19 +++++++++++++++----
 1 file changed, 15 insertions(+), 4 deletions(-)

(limited to 'script/core/diagnostics/missing-parameter.lua')

diff --git a/script/core/diagnostics/missing-parameter.lua b/script/core/diagnostics/missing-parameter.lua
index a475673f..9844046f 100644
--- a/script/core/diagnostics/missing-parameter.lua
+++ b/script/core/diagnostics/missing-parameter.lua
@@ -5,7 +5,7 @@ local lang   = require 'language'
 
 ---@param source parser.object
 ---@return integer
-local function countReturns(source)
+local function countReturnsOfFunction(source)
     local n = 0
 
     local docs = source.bindDocs
@@ -33,14 +33,25 @@ local function countReturns(source)
     return n
 end
 
+---@param source parser.object
+---@return integer
+local function countReturnsOfDocFunction(source)
+    return #source.returns
+end
+
 local function countMaxReturns(source)
     local hasFounded
     local n = 0
     for _, def in ipairs(vm.getDefs(source)) do
-        if def.type == 'doc.type.function'
-        or def.type == 'function' then
+        if def.type == 'function' then
+            hasFounded = true
+            local rets = countReturnsOfFunction(def)
+            if rets > n then
+                n = rets
+            end
+        elseif def.type == 'doc.type.function' then
             hasFounded = true
-            local rets = countReturns(def)
+            local rets = countReturnsOfDocFunction(def)
             if rets > n then
                 n = rets
             end
-- 
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