1use lua::{Index, ToLua, FromLua, State};
2use types::{LuaStackable};
3use context::Context;
4
5pub struct LuaInteger {
7 index: Index
8}
9
10impl LuaInteger {
11 pub fn new(i: Index) -> LuaInteger {
13 LuaInteger {
14 index: i
15 }
16 }
17
18 pub fn get(&self, context: &mut Context) -> i64 {
20 context.get_state().to_integer(self.get_pos())
21 }
22}
23
24impl LuaStackable for LuaInteger {
25 fn get_pos(&self) -> Index {
26 self.index
27 }
28}
29
30impl ToLua for LuaInteger {
31 fn to_lua(&self, state: &mut State) {
32 state.push_value(self.get_pos());
33 }
34}
35
36impl FromLua for LuaInteger {
37 fn from_lua(state: &mut State, index: Index) -> Option<LuaInteger> {
38 if state.is_integer(index) {
39 Some(LuaInteger::new(index))
40 } else {
41 None
42 }
43 }
44}