TEST(Vermicelli, Exec4) {
char t1[] = "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb";
for (size_t i = 0; i < 31; i++) {
t1[48 - i] = 'a';
const u8 *rv = vermicelliExec('a', 0, (u8 *)t1, (u8 *)t1 + strlen(t1));
ASSERT_EQ((size_t)&t1[48 - i], (size_t)rv);
rv = vermicelliExec('A', 1, (u8 *)t1, (u8 *)t1 + strlen(t1));
ASSERT_EQ((size_t)&t1[48 - i], (size_t)rv);
}
}
TEST(Vermicelli, Exec3) {
char t1[] = "bbbbbbbbbbbbbbbbbAaaaaaaaaaaaaaaaaaaaaaabbbbbbbbabbbbbbbbbbbb";
for (size_t i = 0; i < 16; i++) {
const u8 *rv = vermicelliExec('a', 0, (u8 *)t1 + i,
(u8 *)t1 + strlen(t1));
ASSERT_EQ((size_t)t1 + 18, (size_t)rv);
rv = vermicelliExec('A', 1, (u8 *)t1 + i,
(u8 *)t1 + strlen(t1));
ASSERT_EQ((size_t)t1 + 17, (size_t)rv);
}
}
TEST(Vermicelli, noodEarlyExit) {
// searches that should fail
static const u8 *lowerAlpha = (const u8*) "abcdefghijklmnopqrstuvwxyz";
const u8 *la_end = lowerAlpha + 26;
EXPECT_EQ(la_end, vermicelliExec('0', 0, lowerAlpha, la_end));
EXPECT_EQ(la_end, vermicelliExec('A', 0, lowerAlpha, la_end));
// single byte match
for (unsigned i = 0; i < 26; i++) {
u8 byte = lowerAlpha[i];
SCOPED_TRACE(byte);
EXPECT_EQ(lowerAlpha + i, vermicelliExec(byte, 0, lowerAlpha, la_end));
byte = toupper(lowerAlpha[i]);
EXPECT_EQ(lowerAlpha + i, vermicelliExec(byte, 1, lowerAlpha, la_end));
}
}
TEST(Vermicelli, ExecNoMatch1) {
char t1[] = "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb";
for (size_t i = 0; i < 16; i++) {
for (size_t j = 0; j < 16; j++) {
const u8 *rv = vermicelliExec('a', 0, (u8 *)t1 + i,
(u8 *)t1 + strlen(t1) - j);
ASSERT_EQ(((size_t)t1 + strlen(t1) - j), (size_t)rv);
rv = vermicelliExec('B', 0, (u8 *)t1 + i,
(u8 *)t1 + strlen(t1) - j);
ASSERT_EQ(((size_t)t1 + strlen(t1) - j), (size_t)rv);
rv = vermicelliExec('A', 1, (u8 *)t1 + i,
(u8 *)t1 + strlen(t1) - j);
ASSERT_EQ(((size_t)t1 + strlen(t1) - j), (size_t)rv);
}
}
}
const u8 *run_accel(const union AccelAux *accel, const u8 *c, const u8 *c_end) {
assert(ISALIGNED_N(accel, alignof(union AccelAux)));
const u8 *rv;
switch (accel->accel_type) {
case ACCEL_NONE:
DEBUG_PRINTF("accel none %p %p\n", c, c_end);
return c;
case ACCEL_VERM:
DEBUG_PRINTF("accel verm %p %p\n", c, c_end);
if (c + 15 >= c_end) {
return c;
}
rv = vermicelliExec(accel->verm.c, 0, c, c_end);
break;
case ACCEL_VERM_NOCASE:
DEBUG_PRINTF("accel verm nc %p %p\n", c, c_end);
if (c + 15 >= c_end) {
return c;
}
rv = vermicelliExec(accel->verm.c, 1, c, c_end);
break;
case ACCEL_DVERM:
DEBUG_PRINTF("accel dverm %p %p\n", c, c_end);
if (c + 16 + 1 >= c_end) {
return c;
}
/* need to stop one early to get an accurate end state */
rv = vermicelliDoubleExec(accel->dverm.c1, accel->dverm.c2, 0, c,
c_end - 1);
break;
case ACCEL_DVERM_NOCASE:
DEBUG_PRINTF("accel dverm nc %p %p\n", c, c_end);
if (c + 16 + 1 >= c_end) {
return c;
}
/* need to stop one early to get an accurate end state */
rv = vermicelliDoubleExec(accel->dverm.c1, accel->dverm.c2, 1, c,
c_end - 1);
break;
case ACCEL_DVERM_MASKED:
DEBUG_PRINTF("accel dverm masked %p %p\n", c, c_end);
if (c + 16 + 1 >= c_end) {
return c;
}
/* need to stop one early to get an accurate end state */
rv = vermicelliDoubleMaskedExec(accel->dverm.c1, accel->dverm.c2,
accel->dverm.m1, accel->dverm.m2,
c, c_end - 1);
break;
case ACCEL_SHUFTI:
DEBUG_PRINTF("accel shufti %p %p\n", c, c_end);
if (c + 15 >= c_end) {
return c;
}
rv = shuftiExec(accel->shufti.lo, accel->shufti.hi, c, c_end);
break;
case ACCEL_TRUFFLE:
DEBUG_PRINTF("accel Truffle %p %p\n", c, c_end);
if (c + 15 >= c_end) {
return c;
}
rv = truffleExec(accel->truffle.mask1, accel->truffle.mask2, c, c_end);
break;
case ACCEL_DSHUFTI:
DEBUG_PRINTF("accel dshufti %p %p\n", c, c_end);
if (c + 15 + 1 >= c_end) {
return c;
}
/* need to stop one early to get an accurate end state */
rv = shuftiDoubleExec(accel->dshufti.lo1,
accel->dshufti.hi1,
accel->dshufti.lo2,
accel->dshufti.hi2, c, c_end - 1);
break;
case ACCEL_RED_TAPE:
DEBUG_PRINTF("accel red tape %p %p\n", c, c_end);
rv = c_end;
break;
/* multibyte matchers */
case ACCEL_MLVERM:
DEBUG_PRINTF("accel mlverm %p %p\n", c, c_end);
if (c + 15 >= c_end) {
return c;
}
rv = long_vermicelliExec(accel->mverm.c, 0, c, c_end, accel->mverm.len);
break;
case ACCEL_MLVERM_NOCASE:
DEBUG_PRINTF("accel mlverm nc %p %p\n", c, c_end);
if (c + 15 >= c_end) {
return c;
}
rv = long_vermicelliExec(accel->mverm.c, 1, c, c_end, accel->mverm.len);
break;
case ACCEL_MLGVERM:
DEBUG_PRINTF("accel mlgverm %p %p\n", c, c_end);
if (c + 15 >= c_end) {
return c;
}
rv = longgrab_vermicelliExec(accel->mverm.c, 0, c, c_end, accel->mverm.len);
break;
case ACCEL_MLGVERM_NOCASE:
DEBUG_PRINTF("accel mlgverm nc %p %p\n", c, c_end);
if (c + 15 >= c_end) {
return c;
}
rv = longgrab_vermicelliExec(accel->mverm.c, 1, c, c_end, accel->mverm.len);
break;
case ACCEL_MSVERM:
DEBUG_PRINTF("accel msverm %p %p\n", c, c_end);
if (c + 15 >= c_end) {
return c;
}
rv = shift_vermicelliExec(accel->mverm.c, 0, c, c_end, accel->mverm.len);
break;
case ACCEL_MSVERM_NOCASE:
DEBUG_PRINTF("accel msverm nc %p %p\n", c, c_end);
if (c + 15 >= c_end) {
return c;
}
rv = shift_vermicelliExec(accel->mverm.c, 1, c, c_end, accel->mverm.len);
break;
case ACCEL_MSGVERM:
DEBUG_PRINTF("accel msgverm %p %p\n", c, c_end);
if (c + 15 >= c_end) {
return c;
}
rv = shiftgrab_vermicelliExec(accel->mverm.c, 0, c, c_end, accel->mverm.len);
break;
case ACCEL_MSGVERM_NOCASE:
DEBUG_PRINTF("accel msgverm nc %p %p\n", c, c_end);
if (c + 15 >= c_end) {
return c;
}
rv = shiftgrab_vermicelliExec(accel->mverm.c, 1, c, c_end, accel->mverm.len);
break;
case ACCEL_MDSVERM:
DEBUG_PRINTF("accel mdsverm %p %p\n", c, c_end);
if (c + 15 >= c_end) {
return c;
}
rv = doubleshift_vermicelliExec(accel->mdverm.c, 0, c, c_end,
accel->mdverm.len1, accel->mdverm.len2);
break;
case ACCEL_MDSVERM_NOCASE:
DEBUG_PRINTF("accel mdsverm nc %p %p\n", c, c_end);
if (c + 15 >= c_end) {
return c;
}
rv = doubleshift_vermicelliExec(accel->mdverm.c, 1, c, c_end,
accel->mdverm.len1, accel->mdverm.len2);
break;
case ACCEL_MDSGVERM:
DEBUG_PRINTF("accel mdsgverm %p %p\n", c, c_end);
if (c + 15 >= c_end) {
return c;
}
rv = doubleshiftgrab_vermicelliExec(accel->mdverm.c, 0, c, c_end,
accel->mdverm.len1, accel->mdverm.len2);
break;
case ACCEL_MDSGVERM_NOCASE:
DEBUG_PRINTF("accel mdsgverm nc %p %p\n", c, c_end);
if (c + 15 >= c_end) {
return c;
}
rv = doubleshiftgrab_vermicelliExec(accel->mdverm.c, 1, c, c_end,
accel->mdverm.len1, accel->mdverm.len2);
break;
case ACCEL_MLSHUFTI:
DEBUG_PRINTF("accel mlshufti %p %p\n", c, c_end);
if (c + 15 >= c_end) {
return c;
}
rv = long_shuftiExec(accel->mshufti.lo, accel->mshufti.hi, c, c_end,
accel->mshufti.len);
break;
case ACCEL_MLGSHUFTI:
DEBUG_PRINTF("accel mlgshufti %p %p\n", c, c_end);
if (c + 15 >= c_end) {
return c;
}
rv = longgrab_shuftiExec(accel->mshufti.lo, accel->mshufti.hi, c, c_end,
accel->mshufti.len);
break;
case ACCEL_MSSHUFTI:
DEBUG_PRINTF("accel msshufti %p %p\n", c, c_end);
if (c + 15 >= c_end) {
return c;
}
rv = shift_shuftiExec(accel->mshufti.lo, accel->mshufti.hi, c, c_end,
accel->mshufti.len);
break;
case ACCEL_MSGSHUFTI:
DEBUG_PRINTF("accel msgshufti %p %p\n", c, c_end);
if (c + 15 >= c_end) {
return c;
}
rv = shiftgrab_shuftiExec(accel->mshufti.lo, accel->mshufti.hi, c, c_end,
accel->mshufti.len);
break;
case ACCEL_MDSSHUFTI:
DEBUG_PRINTF("accel mdsshufti %p %p\n", c, c_end);
if (c + 15 >= c_end) {
return c;
}
rv = doubleshift_shuftiExec(accel->mdshufti.lo, accel->mdshufti.hi, c, c_end,
accel->mdshufti.len1, accel->mdshufti.len2);
break;
case ACCEL_MDSGSHUFTI:
DEBUG_PRINTF("accel msgshufti %p %p\n", c, c_end);
if (c + 15 >= c_end) {
return c;
}
rv = doubleshiftgrab_shuftiExec(accel->mdshufti.lo, accel->mdshufti.hi, c, c_end,
accel->mdshufti.len1, accel->mdshufti.len2);
break;
case ACCEL_MLTRUFFLE:
DEBUG_PRINTF("accel mltruffle %p %p\n", c, c_end);
if (c + 15 >= c_end) {
return c;
}
rv = long_truffleExec(accel->mtruffle.mask1, accel->mtruffle.mask2,
c, c_end, accel->mtruffle.len);
break;
case ACCEL_MLGTRUFFLE:
DEBUG_PRINTF("accel mlgtruffle %p %p\n", c, c_end);
if (c + 15 >= c_end) {
return c;
}
rv = longgrab_truffleExec(accel->mtruffle.mask1, accel->mtruffle.mask2,
c, c_end, accel->mtruffle.len);
break;
case ACCEL_MSTRUFFLE:
DEBUG_PRINTF("accel mstruffle %p %p\n", c, c_end);
if (c + 15 >= c_end) {
return c;
}
rv = shift_truffleExec(accel->mtruffle.mask1, accel->mtruffle.mask2,
c, c_end, accel->mtruffle.len);
break;
case ACCEL_MSGTRUFFLE:
DEBUG_PRINTF("accel msgtruffle %p %p\n", c, c_end);
if (c + 15 >= c_end) {
return c;
}
rv = shiftgrab_truffleExec(accel->mtruffle.mask1, accel->mtruffle.mask2,
c, c_end, accel->mtruffle.len);
break;
case ACCEL_MDSTRUFFLE:
DEBUG_PRINTF("accel mdstruffle %p %p\n", c, c_end);
if (c + 15 >= c_end) {
return c;
}
rv = doubleshift_truffleExec(accel->mdtruffle.mask1,
accel->mdtruffle.mask2, c, c_end,
accel->mdtruffle.len1,
accel->mdtruffle.len2);
break;
case ACCEL_MDSGTRUFFLE:
DEBUG_PRINTF("accel mdsgtruffle %p %p\n", c, c_end);
if (c + 15 >= c_end) {
return c;
}
rv = doubleshiftgrab_truffleExec(accel->mdtruffle.mask1,
accel->mdtruffle.mask2, c, c_end,
accel->mdtruffle.len1,
accel->mdtruffle.len2);
break;
default:
assert(!"not here");
return c;
}
DEBUG_PRINTF("adjusting for offset %u\n", accel->generic.offset);
/* adjust offset to take into account the offset */
rv = MAX(c + accel->generic.offset, rv);
rv -= accel->generic.offset;
DEBUG_PRINTF("advanced %zd\n", rv - c);
return rv;
}
