/*
* Pushes the entire array into the Lua stack and returns the number
* of elements pushed.
*/
internal int returnValues(LuaCore.lua_State luaState, object[] returnValues)
{
if (LuaLib.lua_checkstack(luaState, returnValues.Length + 5))
{
for (int i = 0; i < returnValues.Length; i++)
{
push(luaState, returnValues[i]);
}
return(returnValues.Length);
}
else
{
return(0);
}
}
/*
* Calls the object as a function with the provided arguments and
* casting returned values to the types in returnTypes before returning
* them in an array
*/
internal object[] callFunction(object function, object[] args, Type[] returnTypes)
{
int nArgs = 0;
int oldTop = LuaLib.lua_gettop(luaState);
if (!LuaLib.lua_checkstack(luaState, args.Length + 6))
{
throw new LuaException("Lua stack overflow");
}
translator.push(luaState, function);
if (!args.IsNull())
{
nArgs = args.Length;
for (int i = 0; i < args.Length; i++)
{
translator.push(luaState, args[i]);
}
}
executing = true;
try
{
int error = LuaLib.lua_pcall(luaState, nArgs, -1, 0);
if (error != 0)
{
ThrowExceptionFromError(oldTop);
}
}
finally
{
executing = false;
}
return(!returnTypes.IsNull() ? translator.popValues(luaState, oldTop, returnTypes) : translator.popValues(luaState, oldTop));
}