int tLuaObject::closure(lua_State *L)
{
tLuaObjectMethod method = (tLuaObjectMethod)
luaCompat_getPointer(L, lua_upvalueindex(1));
tLuaObject* lua_obj = getObject(L, 1);
if(lua_obj == NULL)
{
luacom_error(L, "Error: self parameter is not a tLuaObject.");
return 0;
}
int retval = 0;
try
{
retval = method(lua_obj, L);
}
catch(class tLuaCOMException& e)
{
luacom_error(L, e.getMessage());
return 0;
}
return retval;
}
static tLuaCOMClassFactory* factoryCache_GetFactory(const char* luaclsid) {
CriticalSectionObject cs(&cs_factoryCache); // won't let other threads enter till it goes out of scope
lua_getglobal(factoryCache,"factories");
lua_pushstring(factoryCache,luaclsid);
lua_gettable(factoryCache,-2);
tLuaCOMClassFactory* pFactory = (tLuaCOMClassFactory*)luaCompat_getPointer(factoryCache,-1);
lua_pop(factoryCache,2);
return pFactory;
}
static void factoryCache_Release() {
CriticalSectionObject cs(&cs_factoryCache); // won't let other threads enter till it goes out of scope
lua_getglobal(factoryCache,"factories");
lua_pushnil(factoryCache);
while(lua_next(factoryCache,-2) != 0) {
tLuaCOMClassFactory* pFactory = (tLuaCOMClassFactory*)luaCompat_getPointer(factoryCache,-1);
pFactory->Release();
lua_pop(factoryCache,1);
}
lua_pop(factoryCache,1);
#ifdef IUP
IupClose();
#endif
}
void LuaAux::printLuaStack(lua_State *L)
{
int size = lua_gettop(L);
int i = 0;
for(i = size; i > 0; i--)
{
switch(lua_type(L,i))
{
case LUA_TNUMBER:
printf("%d: number = %d", i, lua_tonumber(L, i));
break;
case LUA_TSTRING:
printf("%d: string = \"%s\"", i, lua_tostring(L, i));
break;
case LUA_TTABLE:
printf("%d: table, tag = %d", i, luaCompat_getType2(L, i));
break;
case LUA_TUSERDATA:
printf("%d: userdata = %p, tag = %d", i,
(long) luaCompat_getPointer(L, i), luaCompat_getType2(L, i));
break;
case LUA_TNIL:
printf("%d: nil", i);
break;
case LUA_TBOOLEAN:
if(lua_toboolean(L, i))
printf("%d: boolean = true", i);
else
printf("%d: boolean = false", i);
break;
default:
printf("%d: unknown type (%d)", i, lua_type(L, i));
break;
}
printf("\n");
}
printf("\n");
}
tLuaCOMClassFactory::tLuaCOMClassFactory(lua_State* L)
{
CHECKPARAM(L);
m_cRef = 0;
L_inproc = L;
lua_getregistry(L);
lua_pushstring(L,"object");
lua_gettable(L,-2);
object = (IDispatch*)luaCompat_getPointer(L,-1);
object->AddRef();
lua_pop(L,1);
lua_pushstring(L,"object");
lua_pushnil(L);
lua_settable(L,-3);
lua_pop(L,1);
}
// lua C function that dispatches events
// to sinks
int tLuaCOMConnPoint::call_sinks(lua_State *L)
{
/// positions of parameters
// self param (not used, but needed for ensuring
// consistency
const int self_param = 1;
// first user param
const int user_first_param = 2;
// last user param, excluding upvalues
const int user_last_param = luaCompat_getNumParams(L, 2);
// upvalues
const int connpoint = luaCompat_upvalueIndex(L, 1, 2);
const int event = luaCompat_upvalueIndex(L, 2, 2);
int num_params = 0;
if(user_last_param < user_first_param)
num_params = 0;
else
num_params = user_last_param - user_first_param + 1;
// counter
int i = 0;
// gets connection point
tLuaCOMConnPoint* cp =
(tLuaCOMConnPoint*) luaCompat_getPointer(L, connpoint);
// call each sink
for(i = 0; i < (int)cp->cConnections; i++)
{
// pushes function
LuaBeans::push(L, cp->sinks[i]);
cp->sinks[i]->Lock();
lua_pushvalue(L, event);
lua_gettable(L, -2);
// removes table, leaving just function
lua_remove(L, -2);
// self param (mandatory but unused)
LuaBeans::push(L, cp->sinks[i]);
cp->sinks[i]->Lock();
// duplicates parameters (if any)
for(i = user_first_param; i <= user_last_param; i++)
{
lua_pushvalue(L, i);
}
// calls function (including self param)
// ignoring errors
luaCompat_call(L, num_params+1, 0, NULL);
// cleans stack
lua_settop(L, user_last_param);
}
// events do not return nothing
return 0;
}
