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authorRomain Forlot <romain.forlot@iot.bzh>2017-10-23 18:44:34 +0200
committerRomain Forlot <romain.forlot@iot.bzh>2017-12-14 11:00:25 +0100
commit01650b71c92a67807e346bfff655c59df58f2bfd (patch)
tree1e42fb8a6aef0cd70c71b048ae79d2d00a4b27c9 /3rdparty/lua/src/lbitlib.c
parent8df3e437f941912067231250ff5695b8a3a7fd92 (diff)
Remove external 3rdparty library
Downloaded at build time. Change-Id: If15e9bcb4cc7d09cec1837a0ad62e4a3c6beb4e1 Signed-off-by: Romain Forlot <romain.forlot@iot.bzh>
Diffstat (limited to '3rdparty/lua/src/lbitlib.c')
-rw-r--r--3rdparty/lua/src/lbitlib.c233
1 files changed, 0 insertions, 233 deletions
diff --git a/3rdparty/lua/src/lbitlib.c b/3rdparty/lua/src/lbitlib.c
deleted file mode 100644
index 1cb1d5b..0000000
--- a/3rdparty/lua/src/lbitlib.c
+++ /dev/null
@@ -1,233 +0,0 @@
-/*
-** $Id: lbitlib.c,v 1.30 2015/11/11 19:08:09 roberto Exp $
-** Standard library for bitwise operations
-** See Copyright Notice in lua.h
-*/
-
-#define lbitlib_c
-#define LUA_LIB
-
-#include "lprefix.h"
-
-
-#include "lua.h"
-
-#include "lauxlib.h"
-#include "lualib.h"
-
-
-#if defined(LUA_COMPAT_BITLIB) /* { */
-
-
-#define pushunsigned(L,n) lua_pushinteger(L, (lua_Integer)(n))
-#define checkunsigned(L,i) ((lua_Unsigned)luaL_checkinteger(L,i))
-
-
-/* number of bits to consider in a number */
-#if !defined(LUA_NBITS)
-#define LUA_NBITS 32
-#endif
-
-
-/*
-** a lua_Unsigned with its first LUA_NBITS bits equal to 1. (Shift must
-** be made in two parts to avoid problems when LUA_NBITS is equal to the
-** number of bits in a lua_Unsigned.)
-*/
-#define ALLONES (~(((~(lua_Unsigned)0) << (LUA_NBITS - 1)) << 1))
-
-
-/* macro to trim extra bits */
-#define trim(x) ((x) & ALLONES)
-
-
-/* builds a number with 'n' ones (1 <= n <= LUA_NBITS) */
-#define mask(n) (~((ALLONES << 1) << ((n) - 1)))
-
-
-
-static lua_Unsigned andaux (lua_State *L) {
- int i, n = lua_gettop(L);
- lua_Unsigned r = ~(lua_Unsigned)0;
- for (i = 1; i <= n; i++)
- r &= checkunsigned(L, i);
- return trim(r);
-}
-
-
-static int b_and (lua_State *L) {
- lua_Unsigned r = andaux(L);
- pushunsigned(L, r);
- return 1;
-}
-
-
-static int b_test (lua_State *L) {
- lua_Unsigned r = andaux(L);
- lua_pushboolean(L, r != 0);
- return 1;
-}
-
-
-static int b_or (lua_State *L) {
- int i, n = lua_gettop(L);
- lua_Unsigned r = 0;
- for (i = 1; i <= n; i++)
- r |= checkunsigned(L, i);
- pushunsigned(L, trim(r));
- return 1;
-}
-
-
-static int b_xor (lua_State *L) {
- int i, n = lua_gettop(L);
- lua_Unsigned r = 0;
- for (i = 1; i <= n; i++)
- r ^= checkunsigned(L, i);
- pushunsigned(L, trim(r));
- return 1;
-}
-
-
-static int b_not (lua_State *L) {
- lua_Unsigned r = ~checkunsigned(L, 1);
- pushunsigned(L, trim(r));
- return 1;
-}
-
-
-static int b_shift (lua_State *L, lua_Unsigned r, lua_Integer i) {
- if (i < 0) { /* shift right? */
- i = -i;
- r = trim(r);
- if (i >= LUA_NBITS) r = 0;
- else r >>= i;
- }
- else { /* shift left */
- if (i >= LUA_NBITS) r = 0;
- else r <<= i;
- r = trim(r);
- }
- pushunsigned(L, r);
- return 1;
-}
-
-
-static int b_lshift (lua_State *L) {
- return b_shift(L, checkunsigned(L, 1), luaL_checkinteger(L, 2));
-}
-
-
-static int b_rshift (lua_State *L) {
- return b_shift(L, checkunsigned(L, 1), -luaL_checkinteger(L, 2));
-}
-
-
-static int b_arshift (lua_State *L) {
- lua_Unsigned r = checkunsigned(L, 1);
- lua_Integer i = luaL_checkinteger(L, 2);
- if (i < 0 || !(r & ((lua_Unsigned)1 << (LUA_NBITS - 1))))
- return b_shift(L, r, -i);
- else { /* arithmetic shift for 'negative' number */
- if (i >= LUA_NBITS) r = ALLONES;
- else
- r = trim((r >> i) | ~(trim(~(lua_Unsigned)0) >> i)); /* add signal bit */
- pushunsigned(L, r);
- return 1;
- }
-}
-
-
-static int b_rot (lua_State *L, lua_Integer d) {
- lua_Unsigned r = checkunsigned(L, 1);
- int i = d & (LUA_NBITS - 1); /* i = d % NBITS */
- r = trim(r);
- if (i != 0) /* avoid undefined shift of LUA_NBITS when i == 0 */
- r = (r << i) | (r >> (LUA_NBITS - i));
- pushunsigned(L, trim(r));
- return 1;
-}
-
-
-static int b_lrot (lua_State *L) {
- return b_rot(L, luaL_checkinteger(L, 2));
-}
-
-
-static int b_rrot (lua_State *L) {
- return b_rot(L, -luaL_checkinteger(L, 2));
-}
-
-
-/*
-** get field and width arguments for field-manipulation functions,
-** checking whether they are valid.
-** ('luaL_error' called without 'return' to avoid later warnings about
-** 'width' being used uninitialized.)
-*/
-static int fieldargs (lua_State *L, int farg, int *width) {
- lua_Integer f = luaL_checkinteger(L, farg);
- lua_Integer w = luaL_optinteger(L, farg + 1, 1);
- luaL_argcheck(L, 0 <= f, farg, "field cannot be negative");
- luaL_argcheck(L, 0 < w, farg + 1, "width must be positive");
- if (f + w > LUA_NBITS)
- luaL_error(L, "trying to access non-existent bits");
- *width = (int)w;
- return (int)f;
-}
-
-
-static int b_extract (lua_State *L) {
- int w;
- lua_Unsigned r = trim(checkunsigned(L, 1));
- int f = fieldargs(L, 2, &w);
- r = (r >> f) & mask(w);
- pushunsigned(L, r);
- return 1;
-}
-
-
-static int b_replace (lua_State *L) {
- int w;
- lua_Unsigned r = trim(checkunsigned(L, 1));
- lua_Unsigned v = trim(checkunsigned(L, 2));
- int f = fieldargs(L, 3, &w);
- lua_Unsigned m = mask(w);
- r = (r & ~(m << f)) | ((v & m) << f);
- pushunsigned(L, r);
- return 1;
-}
-
-
-static const luaL_Reg bitlib[] = {
- {"arshift", b_arshift},
- {"band", b_and},
- {"bnot", b_not},
- {"bor", b_or},
- {"bxor", b_xor},
- {"btest", b_test},
- {"extract", b_extract},
- {"lrotate", b_lrot},
- {"lshift", b_lshift},
- {"replace", b_replace},
- {"rrotate", b_rrot},
- {"rshift", b_rshift},
- {NULL, NULL}
-};
-
-
-
-LUAMOD_API int luaopen_bit32 (lua_State *L) {
- luaL_newlib(L, bitlib);
- return 1;
-}
-
-
-#else /* }{ */
-
-
-LUAMOD_API int luaopen_bit32 (lua_State *L) {
- return luaL_error(L, "library 'bit32' has been deprecated");
-}
-
-#endif /* } */