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bitlib has been deprecated

This commit is contained in:
Roberto Ierusalimschy 2014-03-18 15:27:08 -03:00
parent 114d10cbc5
commit 282d67d8fc
2 changed files with 28 additions and 2 deletions
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23
lbitlib.c
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@ -1,5 +1,5 @@
/* /*
** $Id: lbitlib.c,v 1.22 2013/07/09 18:31:01 roberto Exp roberto $ ** $Id: lbitlib.c,v 1.23 2014/02/26 12:38:18 roberto Exp roberto $
** Standard library for bitwise operations ** Standard library for bitwise operations
** See Copyright Notice in lua.h ** See Copyright Notice in lua.h
*/ */
@ -13,6 +13,9 @@
#include "lualib.h" #include "lualib.h"
#if defined(LUA_COMPAT_BITLIB) /* { */
/* number of bits to consider in a number */ /* number of bits to consider in a number */
#if !defined(LUA_NBITS) #if !defined(LUA_NBITS)
#define LUA_NBITS 32 #define LUA_NBITS 32
@ -213,3 +216,21 @@ LUAMOD_API int luaopen_bit32 (lua_State *L) {
return 1; return 1;
} }
#else /* }{ */
static int b_err (lua_State *L) {
return luaL_error(L, "library 'bit32' is deprecated");
}
LUAMOD_API int luaopen_bit32 (lua_State *L) {
lua_createtable(L, 0, 1); /* new table to represent the module */
lua_pushvalue(L, -1);
lua_setmetatable(L, -2); /* set it as its own metatable */
lua_pushcfunction(L, b_err);
lua_setfield(L, -2, "__index"); /* metatable.__index = b_errret */
return 1;
}
#endif /* } */

7
luaconf.h
View File

@ -1,5 +1,5 @@
/* /*
** $Id: luaconf.h,v 1.190 2014/02/26 15:27:56 roberto Exp roberto $ ** $Id: luaconf.h,v 1.191 2014/03/06 16:15:18 roberto Exp roberto $
** Configuration file for Lua ** Configuration file for Lua
** See Copyright Notice in lua.h ** See Copyright Notice in lua.h
*/ */
@ -247,6 +247,11 @@
*/ */
#if defined(LUA_COMPAT_ALL) /* { */ #if defined(LUA_COMPAT_ALL) /* { */
/*
@@ LUA_COMPAT_BITLIB controls the presence of library 'bit32'.
*/
#define LUA_COMPAT_BITLIB
/* /*
@@ LUA_COMPAT_UNPACK controls the presence of global 'unpack'. @@ LUA_COMPAT_UNPACK controls the presence of global 'unpack'.
** You can replace it with 'table.unpack'. ** You can replace it with 'table.unpack'.