ardour/livetrax
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fix out-of-order d'tor which garbles the lua stack.

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This commit is contained in:
Robin Gareus 2016-03-24 22:53:59 +01:00
parent e0dedcf6e1
commit 7bb1933734
1 changed files with 31 additions and 6 deletions
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37
gtk2_ardour/luainstance.cc
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@ -1319,18 +1319,43 @@ LuaCallback::connect_2 (enum LuaSignal::LuaSignal ls, T ref, PBD::Signal2<void,
template <typename T> void
LuaCallback::proxy_0 (enum LuaSignal::LuaSignal ls, T ref) {
luabridge::LuaRef rv ((*_lua_call)((int)ls, ref));
if (! rv.cast<bool> ()) { drop_callback (); /* EMIT SIGNAL */}
bool ok = true;
{
const luabridge::LuaRef& rv ((*_lua_call)((int)ls, ref));
if (! rv.cast<bool> ()) {
ok = false;
}
}
/* destroy LuaRef ^^ first before calling drop_callback() */
if (!ok) {
drop_callback (); /* EMIT SIGNAL */
}
}
template <typename T, typename C1> void
LuaCallback::proxy_1 (enum LuaSignal::LuaSignal ls, T ref, C1 a1) {
luabridge::LuaRef rv ((*_lua_call)((int)ls, ref, a1));
if (! rv.cast<bool> ()) { drop_callback (); /* EMIT SIGNAL */}
bool ok = true;
{
const luabridge::LuaRef& rv ((*_lua_call)((int)ls, ref, a1));
if (! rv.cast<bool> ()) {
ok = false;
}
}
if (!ok) {
drop_callback (); /* EMIT SIGNAL */
}
}
template <typename T, typename C1, typename C2> void
LuaCallback::proxy_2 (enum LuaSignal::LuaSignal ls, T ref, C1 a1, C2 a2) {
luabridge::LuaRef rv ((*_lua_call)((int)ls, ref, a1, a2));
if (! rv.cast<bool> ()) { drop_callback (); /* EMIT SIGNAL */}
bool ok = true;
{
const luabridge::LuaRef& rv ((*_lua_call)((int)ls, ref, a1, a2));
if (! rv.cast<bool> ()) {
ok = false;
}
}
if (!ok) {
drop_callback (); /* EMIT SIGNAL */
}
}