lua

commit 282d67d8fcd3b06e21d27f3acb8f9efdd992c937
parent 114d10cbc599e848bd28f5b454ec4f8f823dce37
Author: Roberto Ierusalimschy <roberto@inf.puc-rio.br>
Date:   Tue, 18 Mar 2014 15:26:43 -0300

bitlib has been deprecated

Diffstat:
M
lbitlib.c
 | 
23
++++++++++++++++++++++-
M
luaconf.h
 | 
7
++++++-

2 files changed, 28 insertions(+), 2 deletions(-)
diff --git a/lbitlib.c b/lbitlib.c
@@ -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
 ** See Copyright Notice in lua.h
 */
@@ -13,6 +13,9 @@
 #include "lualib.h"
 
 
+#if defined(LUA_COMPAT_BITLIB)		/* { */
+
+
 /* number of bits to consider in a number */
 #if !defined(LUA_NBITS)
 #define LUA_NBITS	32
@@ -213,3 +216,21 @@ LUAMOD_API int luaopen_bit32 (lua_State *L) {
   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					/* } */
diff --git a/luaconf.h b/luaconf.h
@@ -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
 ** See Copyright Notice in lua.h
 */
@@ -248,6 +248,11 @@
 #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'.
 ** You can replace it with 'table.unpack'.
 */