1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
|
#include "common/l_common.h"
#include "common/je_lua.h"
#include "libjin/jin.h"
#include <cstdlib>
namespace JinEngine
{
namespace Lua
{
LUA_IMPLEMENT int l_and(lua_State* L)
{
int a = luax_checkinteger(L, 1);
int b = luax_checkinteger(L, 2);
luax_pushinteger(L, a & b);
return 1;
}
LUA_IMPLEMENT int l_or(lua_State* L)
{
int a = luax_checkinteger(L, 1);
int b = luax_checkinteger(L, 2);
luax_pushinteger(L, a | b);
return 1;
}
LUA_IMPLEMENT int l_xor(lua_State* L)
{
int a = luax_checkinteger(L, 1);
int b = luax_checkinteger(L, 2);
luax_pushinteger(L, a ^ b);
return 1;
}
LUA_IMPLEMENT int l_not(lua_State* L)
{
int n = luax_checkinteger(L, 1);
luax_pushinteger(L, ~n);
return 1;
}
LUA_IMPLEMENT int l_lshift(lua_State* L)
{
int a = luax_checkinteger(L, 1);
int b = luax_checkinteger(L, 2);
luax_pushinteger(L, a << b);
return 1;
}
LUA_IMPLEMENT int l_rshift(lua_State* L)
{
int a = luax_checkinteger(L, 1);
int b = luax_checkinteger(L, 2);
luax_pushinteger(L, a >> b);
return 1;
}
LUA_IMPLEMENT int l_include(lua_State* L)
{
int a = luax_checkinteger(L, 1);
int b = luax_checkinteger(L, 2);
luax_pushboolean(L, (a & b) == b);
return 1;
}
LUA_EXPORT int luaopen_bit(lua_State* L)
{
luaL_Reg methods[] = {
{ "bAnd", l_and },
{ "bOr" , l_or },
{ "bXor", l_xor },
{ "bNot", l_not },
{ "bLs", l_lshift },
{ "bRs", l_rshift },
{ "bInc", l_include },
{ 0, 0 }
};
luax_newlib(L, methods);
return 1;
}
} // namespace Lua
} // namespace JinEngine
|