From 831e814ce9bdb84e86c06c4a52008f6bdaaa00d6 Mon Sep 17 00:00:00 2001 From: chai Date: Fri, 16 Nov 2018 00:24:51 +0800 Subject: =?UTF-8?q?*=E5=90=88=E5=B9=B6master=E5=88=B0minimal=E5=88=86?= =?UTF-8?q?=E6=94=AF?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- src/lua/modules/bit/je_lua_bit.cpp | 87 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 87 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..fdd0ae0 --- /dev/null +++ b/src/lua/modules/bit/je_lua_bit.cpp @@ -0,0 +1,87 @@ +#include "lua/common/je_lua_common.h" +#include "lua/modules/luax.h" +#include "libjin/jin.h" + +#include + +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 f[] = { + { "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, f); + + return 1; + } + + } // namespace Lua +} // namespace JinEngine \ No newline at end of file -- cgit v1.1-26-g67d0