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first implementation of '<<', '>>', and '~' (bitwise not)

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Roberto Ierusalimschy
2013-12-30 18:47:58 -02:00
parent f5133aa1a5
commit 1ea2d20f74
15 changed files with 139 additions and 49 deletions
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8
lapi.c
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@@ -1,5 +1,5 @@
/*
** $Id: lapi.c,v 2.190 2013/09/13 16:21:52 roberto Exp roberto $
** $Id: lapi.c,v 2.191 2013/12/04 12:15:22 roberto Exp roberto $
** Lua API
** See Copyright Notice in lua.h
*/
@@ -299,9 +299,9 @@ LUA_API int lua_rawequal (lua_State *L, int index1, int index2) {
LUA_API void lua_arith (lua_State *L, int op) {
lua_lock(L);
if (op != LUA_OPUNM) /* all other operations expect two operands */
api_checknelems(L, 2);
else { /* for unary minus, add fake 2nd operand */
if (op != LUA_OPUNM && op != LUA_OPBNOT)
api_checknelems(L, 2); /* all other operations expect two operands */
else { /* for unary operations, add fake 2nd operand */
api_checknelems(L, 1);
setobjs2s(L, L->top, L->top - 1);
L->top++;