/*
* Excutes a Lua file and returns all the chunk's return
* values in an array
*/
public object[] DoFile(string fileName)
{
int oldTop = LuaLib.lua_gettop(luaState);
if (LuaLib.luaL_loadfile(luaState, fileName) == 0)
{
executing = true;
try
{
if (LuaLib.lua_pcall(luaState, 0, -1, 0) == 0)
{
return(translator.popValues(luaState, oldTop));
}
else
{
ThrowExceptionFromError(oldTop);
}
}
finally
{
executing = false;
}
}
else
{
ThrowExceptionFromError(oldTop);
}
return(null); // Never reached - keeps compiler happy
}
/*
* 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));
}
