From 8535713d22d4bfc1d02dea1b6fdc31324c61b760 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: Thu, 10 Oct 2019 19:34:12 +0800
Subject: =?UTF-8?q?=E9=98=B2=E6=AD=A2=E9=87=8D=E5=A4=8D=E8=A7=A6=E5=8F=91?=
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---
 server-beta/src/core/engineer.lua | 40 +++++++++++++++++++++++++++++++--------
 1 file changed, 32 insertions(+), 8 deletions(-)

(limited to 'server-beta/src/core/engineer.lua')

diff --git a/server-beta/src/core/engineer.lua b/server-beta/src/core/engineer.lua
index bfb9c98b..0d55479c 100644
--- a/server-beta/src/core/engineer.lua
+++ b/server-beta/src/core/engineer.lua
@@ -74,7 +74,14 @@ function mt:eachField(source, key, callback)
     if not f then
         return
     end
-    f(self, source, key, callback)
+    local mark = {}
+    f(self, source, key, function (src, ...)
+        if mark[src] then
+            return
+        end
+        mark[src] = true
+        callback(src, ...)
+    end)
 end
 
 function mt:eachRef(source, callback)
@@ -87,7 +94,14 @@ function mt:eachRef(source, callback)
     if not f then
         return
     end
-    f(self, source, callback)
+    local mark = {}
+    f(self, source, function (src, ...)
+        if mark[src] then
+            return
+        end
+        mark[src] = true
+        callback(src, ...)
+    end)
 end
 
 function mt:eachDef(source, callback)
@@ -100,7 +114,14 @@ function mt:eachDef(source, callback)
     if not f then
         return
     end
-    f(self, source, callback)
+    local mark = {}
+    f(self, source, function (src, ...)
+        if mark[src] then
+            return
+        end
+        mark[src] = true
+        callback(src, ...)
+    end)
 end
 
 function mt:eachValue(source, callback)
@@ -113,7 +134,14 @@ function mt:eachValue(source, callback)
     if not f then
         return
     end
-    f(self, source, callback)
+    local mark = {}
+    f(self, source, function (src, ...)
+        if mark[src] then
+            return
+        end
+        mark[src] = true
+        callback(src, ...)
+    end)
 end
 
 function mt:childDef(source, callback)
@@ -155,10 +183,6 @@ function mt:callArgOf(source)
     return tableUnpack(args)
 end
 
-function mt:callReturnOf(source)
-
-end
-
 return function (ast)
     local self = setmetatable({
         step  = 0,
-- 
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