From 8b8ccac0b83decc2b88bedc3bbe50f78ebda6e53 Mon Sep 17 00:00:00 2001 From: Mattes D Date: Fri, 22 Aug 2014 10:32:32 +0200 Subject: ToLua++ lib: Assert when usertype is not known. --- lib/tolua++/src/lib/tolua_push.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) diff --git a/lib/tolua++/src/lib/tolua_push.c b/lib/tolua++/src/lib/tolua_push.c index 947f0e7a5..73a5f6ec0 100644 --- a/lib/tolua++/src/lib/tolua_push.c +++ b/lib/tolua++/src/lib/tolua_push.c @@ -16,6 +16,7 @@ #include "../../../lua/src/lauxlib.h" #include +#include TOLUA_API void tolua_pushvalue (lua_State* L, int lo) { @@ -55,12 +56,14 @@ TOLUA_API void tolua_pushusertype (lua_State* L, void* value, const char* type) else { luaL_getmetatable(L, type); + assert(!lua_isnil(L, -1)); /* Failure here means that the usertype is unknown to ToLua. Check what type you're pushing. */ lua_pushstring(L,"tolua_ubox"); lua_rawget(L,-2); /* stack: mt ubox */ - if (lua_isnil(L, -1)) { - lua_pop(L, 1); - lua_pushstring(L, "tolua_ubox"); - lua_rawget(L, LUA_REGISTRYINDEX); + if (lua_isnil(L, -1)) + { + lua_pop(L, 1); + lua_pushstring(L, "tolua_ubox"); + lua_rawget(L, LUA_REGISTRYINDEX); }; lua_pushlightuserdata(L,value); lua_rawget(L,-2); /* stack: mt ubox ubox[u] */ -- cgit v1.2.3