Robin Gareus 3da07e6736 Special case Lua copy-construction of trackable instances ... This fixes an crashing issue with ArdourUI.SelectionList a bug introduced in 6dc3bdf252 and 35dcd46d7d. Since removal of the special cases in 35dcd46d7d, when using a C-pointer in a std::list<>, std::list<class*>::push_back(TypeListValue) TypeListValues<>'s Head was expanded to "class*& const" implied by void ::push_back(const T& value); This resulted in lifetime issues with a classes that derive from sigc::trackable (e.g. Ardour's Selection). The reference leaves scope and isn't duplicated when it is pushed back to the std::list<>. The script scripts/select_every_2nd_region.lua crashed because entries in the SelectionList were no longer valid. Previously (before 6dc3bdf252) TypeListValues explicitly copy-constructed the value to work around the lifetime issue. This new solution bypasses the issue by directly using the c-pointer without dereferencing it.		2019-04-12 05:45:27 +02:00
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lua
lua-5.3.4
LuaBridge	Special case Lua copy-construction of trackable instances	2019-04-12 05:45:27 +02:00
MSVClua
lua.cc
luastate.cc
wscript