From 3d9d4b9bebc92a251fb8341fe7838a81beba932a Mon Sep 17 00:00:00 2001
From: Megvii Engine Team <megengine@megvii.com>
Date: Sat, 9 May 2020 19:28:19 +0800
Subject: [PATCH] fix(sdk/load_and_run): fix ciruclar dependency in
 DataPaser::Brace

GitOrigin-RevId: d07f8c19b28d2062f8f399aba6ba5290b4191d40
---
 sdk/load-and-run/src/mgblar.cpp | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/sdk/load-and-run/src/mgblar.cpp b/sdk/load-and-run/src/mgblar.cpp
index 5352470d4..7d2b29324 100644
--- a/sdk/load-and-run/src/mgblar.cpp
+++ b/sdk/load-and-run/src/mgblar.cpp
@@ -194,9 +194,7 @@ R"__usage__(
 
 struct DataParser {
     struct Brace {
-        Brace() { parent = nullptr; }
-
-        std::shared_ptr<Brace> parent;
+        std::weak_ptr<Brace> parent;
         std::vector<std::shared_ptr<Brace>> chidren;
     };
 
@@ -397,7 +395,7 @@ private:
                 cur->chidren.emplace_back(child);
                 cur = child;
             } else if (c == ']') {
-                cur = cur->parent;
+                cur = cur->parent.lock();
             } else if (c == ',') {
                 number_cnt++;
             }
-- 
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