From 1a78d51e0580bfb19d07353bc7228bad37639839 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: Mon, 3 Dec 2018 20:29:02 +0800
Subject: =?UTF-8?q?=E6=8D=A2=E4=B8=AA=E6=96=B9=E6=B3=95=E5=AE=9E=E7=8E=B0m?=
 =?UTF-8?q?etatable?=
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---
 server/src/matcher/definition.lua | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

(limited to 'server/src/matcher/definition.lua')

diff --git a/server/src/matcher/definition.lua b/server/src/matcher/definition.lua
index 41556745..794788e8 100644
--- a/server/src/matcher/definition.lua
+++ b/server/src/matcher/definition.lua
@@ -37,6 +37,26 @@ local function findResult(results, pos)
     return nil
 end
 
+local function tryMeta(var)
+    local keys = {}
+    repeat
+        if var.childs.meta then
+            local metavar = var.childs.meta
+            for i = #keys, 1, -1 do
+                local key = keys[i]
+                metavar = metavar.childs[key]
+                if not metavar then
+                    return nil
+                end
+            end
+            return metavar
+        end
+        keys[#keys+1] = var.key
+        var = var.parent
+    until not var
+    return nil
+end
+
 local function parseResult(result)
     local positions = {}
     local tp = result.type
@@ -54,6 +74,14 @@ local function parseResult(result)
                     positions[#positions+1] = {info.source.start, info.source.finish}
                 end
             end
+            local metavar = tryMeta(var)
+            if metavar then
+                for _, info in ipairs(metavar) do
+                    if info.type == 'set' then
+                        positions[#positions+1] = {info.source.start, info.source.finish}
+                    end
+                end
+            end
         else
             error('unknow var.type:' .. var.type)
         end
-- 
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