From 6551adeca70d4299a99d45245d4e13dbfdfa87e5 Mon Sep 17 00:00:00 2001 From: chai Date: Tue, 23 Oct 2018 15:56:01 +0800 Subject: =?UTF-8?q?*=E4=BF=AE=E6=94=B9lua=E7=BB=91=E5=AE=9A=E6=96=87?= =?UTF-8?q?=E4=BB=B6=E7=9A=84=E6=96=87=E4=BB=B6=E5=90=8D?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- src/lua/modules/bit/je_lua_bit.cpp | 84 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 84 insertions(+) create mode 100644 src/lua/modules/bit/je_lua_bit.cpp (limited to 'src/lua/modules/bit/je_lua_bit.cpp') diff --git a/src/lua/modules/bit/je_lua_bit.cpp b/src/lua/modules/bit/je_lua_bit.cpp new file mode 100644 index 0000000..cedd60a --- /dev/null +++ b/src/lua/modules/bit/je_lua_bit.cpp @@ -0,0 +1,84 @@ +#include "lua/modules/luax.h" +#include "libjin/jin.h" +#include + +namespace JinEngine +{ + namespace Lua + { + + static 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; + } + + static 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; + } + + static 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; + } + + static int l_not(lua_State* L) + { + int n = luax_checkinteger(L, 1); + luax_pushinteger(L, ~n); + return 1; + } + + static 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; + } + + static 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; + } + + static 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; + } + + static const luaL_Reg f[] = { + { "bAnd", l_and }, + { "bOr" , l_or }, + { "bXor", l_xor }, + { "bNot", l_not }, + { "bLs", l_lshift }, + { "bRs", l_rshift }, + { "bInc", l_include }, + { 0, 0 } + }; + + int luaopen_bit(lua_State* L) + { + luax_newlib(L, f); + + return 1; + } + + } // namespace Lua +} // namespace JinEngine \ No newline at end of file -- cgit v1.1-26-g67d0