From ba4e23f1702996336f580312dcdc67d55ed29ae7 Mon Sep 17 00:00:00 2001
From: Josh Haberman <jhaberman@gmail.com>
Date: Wed, 7 Dec 2016 00:52:25 -0800
Subject: Added a few missing __gc metamethods.

---
 upb/bindings/lua/def.c | 1 +
 upb/bindings/lua/msg.c | 7 +++++++
 2 files changed, 8 insertions(+)

(limited to 'upb/bindings')

diff --git a/upb/bindings/lua/def.c b/upb/bindings/lua/def.c
index c2df140..638abb6 100644
--- a/upb/bindings/lua/def.c
+++ b/upb/bindings/lua/def.c
@@ -720,6 +720,7 @@ static const struct luaL_Reg lupb_oneofdef_m[] = {
 };
 
 static const struct luaL_Reg lupb_oneofdef_mm[] = {
+  {"__gc", lupb_refcounted_gc},
   {"__len", lupb_oneofdef_len},
   {NULL, NULL}
 };
diff --git a/upb/bindings/lua/msg.c b/upb/bindings/lua/msg.c
index e7c3f2e..d77c429 100644
--- a/upb/bindings/lua/msg.c
+++ b/upb/bindings/lua/msg.c
@@ -950,6 +950,12 @@ int lupb_msg_pushref(lua_State *L, int msgclass, void *msg) {
   return 1;
 }
 
+static int lupb_msg_gc(lua_State *L) {
+  lupb_msg *lmsg = lupb_msg_check(L, 1);
+  upb_msg_uninit(lmsg->msg, lmsg->lmsgclass->layout);
+  return 0;
+}
+
 /* lupb_msg Public API */
 
 /**
@@ -1053,6 +1059,7 @@ static int lupb_msg_newindex(lua_State *L) {
 }
 
 static const struct luaL_Reg lupb_msg_mm[] = {
+  {"__gc", lupb_msg_gc},
   {"__index", lupb_msg_index},
   {"__newindex", lupb_msg_newindex},
   {NULL, NULL}
-- 
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