From 42ce9ab14839c83962268a94f6be8c6b36395270 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, 16 Dec 2022 17:27:11 +0800
Subject: must bind to node

---
 script/vm/tracer.lua | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

(limited to 'script/vm')

diff --git a/script/vm/tracer.lua b/script/vm/tracer.lua
index e83cfc11..b53fc33e 100644
--- a/script/vm/tracer.lua
+++ b/script/vm/tracer.lua
@@ -508,17 +508,22 @@ function mt:getNode(source)
     return self.nodes[source] or nil
 end
 
+---@class vm.node
+---@field package _tracer vm.tracer
+
 ---@param source parser.object
 ---@return vm.tracer?
 local function createTracer(source)
-    if source._tracer then
-        return source._tracer
+    local node = vm.compileNode(source)
+    local tracer = node._tracer
+    if tracer then
+        return tracer
     end
     local main = guide.getParentBlock(source)
     if not main then
         return nil
     end
-    local tracer = setmetatable({
+    tracer = setmetatable({
         source    = source,
         assigns   = {},
         assignMap = {},
@@ -529,7 +534,7 @@ local function createTracer(source)
         main      = main,
         uri       = guide.getUri(source),
     }, mt)
-    source._tracer = tracer
+    node._tracer = tracer
 
     tracer:collectLocal()
 
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