/*
* equality of ktap values. ks == NULL means raw equality
*/
int kp_obj_equal(ktap_state *ks, const ktap_value *t1, const ktap_value *t2)
{
switch (ttype(t1)) {
case KTAP_TYPE_NIL:
return 1;
case KTAP_TYPE_NUMBER:
return nvalue(t1) == nvalue(t2);
case KTAP_TYPE_BOOLEAN:
return bvalue(t1) == bvalue(t2); /* true must be 1 !! */
case KTAP_TYPE_LIGHTUSERDATA:
return pvalue(t1) == pvalue(t2);
case KTAP_TYPE_CFUNCTION:
return fvalue(t1) == fvalue(t2);
case KTAP_TYPE_SHRSTR:
return eqshrstr(rawtsvalue(t1), rawtsvalue(t2));
case KTAP_TYPE_LNGSTR:
return kp_str_eqlng(rawtsvalue(t1), rawtsvalue(t2));
case KTAP_TYPE_TABLE:
if (hvalue(t1) == hvalue(t2))
return 1;
else if (ks == NULL)
return 0;
case KTAP_TYPE_BTRACE:
return btrace_equal(btvalue(t1), btvalue(t2));
default:
return gcvalue(t1) == gcvalue(t2);
}
return 0;
}
/*
* equality of ktap values. ks == NULL means raw equality
*/
int kp_equalobjv(ktap_State *ks, const Tvalue *t1, const Tvalue *t2)
{
switch (ttype(t1)) {
case KTAP_TNIL:
return 1;
case KTAP_TNUMBER:
return nvalue(t1) == nvalue(t2);
case KTAP_TBOOLEAN:
return bvalue(t1) == bvalue(t2); /* true must be 1 !! */
case KTAP_TLIGHTUSERDATA:
return pvalue(t1) == pvalue(t2);
case KTAP_TLCF:
return fvalue(t1) == fvalue(t2);
case KTAP_TSHRSTR:
return eqshrstr(rawtsvalue(t1), rawtsvalue(t2));
case KTAP_TLNGSTR:
return kp_tstring_eqlngstr(rawtsvalue(t1), rawtsvalue(t2));
case KTAP_TUSERDATA:
if (uvalue(t1) == uvalue(t2))
return 1;
else if (ks == NULL)
return 0;
case KTAP_TTABLE:
if (hvalue(t1) == hvalue(t2))
return 1;
else if (ks == NULL)
return 0;
default:
return gcvalue(t1) == gcvalue(t2);
}
return 0;
}
/*
* equality of ktap values. ks == NULL means raw equality
*/
int kp_equalobjv(ktap_state *ks, const ktap_value *t1, const ktap_value *t2)
{
switch (ttype(t1)) {
case KTAP_TNIL:
return 1;
case KTAP_TNUMBER:
return nvalue(t1) == nvalue(t2);
case KTAP_TBOOLEAN:
return bvalue(t1) == bvalue(t2); /* true must be 1 !! */
case KTAP_TLIGHTUSERDATA:
return pvalue(t1) == pvalue(t2);
case KTAP_TLCF:
return fvalue(t1) == fvalue(t2);
case KTAP_TSHRSTR:
return eqshrstr(rawtsvalue(t1), rawtsvalue(t2));
case KTAP_TLNGSTR:
return kp_tstring_eqlngstr(rawtsvalue(t1), rawtsvalue(t2));
case KTAP_TTABLE:
if (hvalue(t1) == hvalue(t2))
return 1;
else if (ks == NULL)
return 0;
#ifdef __KERNEL__
case KTAP_TBTRACE:
return kp_btrace_equal(btvalue(t1), btvalue(t2));
#endif
default:
return gcvalue(t1) == gcvalue(t2);
}
return 0;
}
/*
* search function for short strings
*/
const Tvalue *kp_table_getstr(Table *t, Tstring *key)
{
Node *n = hashstr(t, key);
do { /* check whether `key' is somewhere in the chain */
if (ttisshrstring(gkey(n)) && eqshrstr(rawtsvalue(gkey(n)), key))
return gval(n); /* that's it */
else
n = gnext(n);
} while (n);
return ktap_nilobject;
}
/*
** Main operation for equality of Lua values; return 't1 == t2'.
** L == NULL means raw equality (no metamethods)
*/
int luaV_equalobj (lua_State *L, const TValue *t1, const TValue *t2) {
const TValue *tm;
if (ttype(t1) != ttype(t2)) { /* not the same variant? */
#ifndef _KERNEL
if (ttnov(t1) != ttnov(t2) || ttnov(t1) != LUA_TNUMBER)
return 0; /* only numbers can be equal with different variants */
else { /* two numbers with different variants */
lua_Integer i1, i2; /* compare them as integers */
return (tointeger(t1, &i1) && tointeger(t2, &i2) && i1 == i2);
}
#else /* _KERNEL */
return 0; /* numbers have only the integer variant */
#endif /* _KERNEL */
}
/* values have same type and same variant */
switch (ttype(t1)) {
case LUA_TNIL: return 1;
case LUA_TNUMINT: return (ivalue(t1) == ivalue(t2));
#ifndef _KERNEL
case LUA_TNUMFLT: return luai_numeq(fltvalue(t1), fltvalue(t2));
#endif /* _KERNEL */
case LUA_TBOOLEAN: return bvalue(t1) == bvalue(t2); /* true must be 1 !! */
case LUA_TLIGHTUSERDATA: return pvalue(t1) == pvalue(t2);
case LUA_TLCF: return fvalue(t1) == fvalue(t2);
case LUA_TSHRSTR: return eqshrstr(tsvalue(t1), tsvalue(t2));
case LUA_TLNGSTR: return luaS_eqlngstr(tsvalue(t1), tsvalue(t2));
case LUA_TUSERDATA: {
if (uvalue(t1) == uvalue(t2)) return 1;
else if (L == NULL) return 0;
tm = fasttm(L, uvalue(t1)->metatable, TM_EQ);
if (tm == NULL)
tm = fasttm(L, uvalue(t2)->metatable, TM_EQ);
break; /* will try TM */
}
case LUA_TTABLE: {
if (hvalue(t1) == hvalue(t2)) return 1;
else if (L == NULL) return 0;
tm = fasttm(L, hvalue(t1)->metatable, TM_EQ);
if (tm == NULL)
tm = fasttm(L, hvalue(t2)->metatable, TM_EQ);
break; /* will try TM */
}
default:
return gcvalue(t1) == gcvalue(t2);
}
if (tm == NULL) /* no TM? */
return 0; /* objects are different */
luaT_callTM(L, tm, t1, t2, L->top, 1); /* call TM */
return !l_isfalse(L->top);
}