{-# LANGUAGE FlexibleContexts #-}
{-# LANGUAGE FlexibleInstances #-}
{-# LANGUAGE ScopedTypeVariables #-}
module HaskellWorks.Data.BalancedParens.Internal.Broadword.FindUnmatchedCloseFar.Word8
( findUnmatchedCloseFar
) where
import Data.Int
import Data.Word
import HaskellWorks.Data.Bits.BitWise
import HaskellWorks.Data.Bits.Broadword.Word8
import HaskellWorks.Data.Int.Narrow
import HaskellWorks.Data.Int.Widen
muk1 :: Word8
muk1 :: Word8
muk1 = Word8
0x33
{-# INLINE muk1 #-}
muk2 :: Word8
muk2 :: Word8
muk2 = Word8
0x0f
{-# INLINE muk2 #-}
findUnmatchedCloseFar :: Word64 -> Word64 -> Word8 -> Word64
findUnmatchedCloseFar :: Word64 -> Word64 -> Word8 -> Word64
findUnmatchedCloseFar Word64
c Word64
p Word8
w =
let x :: Word8
x = Word8
w forall a. Shift a => a -> Word64 -> a
.>. Word64
p in
let wsz :: Int8
wsz = Int8
8 :: Int8 in
let k1 :: Word64
k1 = Word64
1 in
let k2 :: Word64
k2 = Word64
2 in
let k3 :: Word64
k3 = Word64
3 in
let mask3 :: Word8
mask3 = (Word8
1 forall a. Shift a => a -> Word64 -> a
.<. (Word64
1 forall a. Shift a => a -> Word64 -> a
.<. Word64
k3)) forall a. Num a => a -> a -> a
- Word8
1 in
let mask2 :: Word8
mask2 = (Word8
1 forall a. Shift a => a -> Word64 -> a
.<. (Word64
1 forall a. Shift a => a -> Word64 -> a
.<. Word64
k2)) forall a. Num a => a -> a -> a
- Word8
1 in
let mask1 :: Word8
mask1 = (Word8
1 forall a. Shift a => a -> Word64 -> a
.<. (Word64
1 forall a. Shift a => a -> Word64 -> a
.<. Word64
k1)) forall a. Num a => a -> a -> a
- Word8
1 in
let t64k1 :: Word64
t64k1 = Word64
1 forall a. Shift a => a -> Word64 -> a
.<. Word64
k1 :: Word64 in
let t64k2 :: Word64
t64k2 = Word64
1 forall a. Shift a => a -> Word64 -> a
.<. Word64
k2 :: Word64 in
let t8k1 :: Word8
t8k1 = Word8
1 forall a. Shift a => a -> Word64 -> a
.<. Word64
k1 :: Word8 in
let t8k2 :: Word8
t8k2 = Word8
1 forall a. Shift a => a -> Word64 -> a
.<. Word64
k2 :: Word8 in
let t8k3 :: Word8
t8k3 = Word8
1 forall a. Shift a => a -> Word64 -> a
.<. Word64
k3 :: Word8 in
let b0 :: Word8
b0 = Word8
x forall a. BitWise a => a -> a -> a
.&. Word8
0x55 in
let b1 :: Word8
b1 = ( Word8
x forall a. BitWise a => a -> a -> a
.&. Word8
0xaa) forall a. Shift a => a -> Word64 -> a
.>. Word64
1 in
let ll :: Word8
ll = (Word8
b0 forall a. BitWise a => a -> a -> a
.^. Word8
b1 ) forall a. BitWise a => a -> a -> a
.&. Word8
b1 in
let ok1 :: Word8
ok1 = ( (Word8
b0 forall a. BitWise a => a -> a -> a
.&. Word8
b1 ) forall a. Shift a => a -> Word64 -> a
.<. Word64
1) forall a. BitWise a => a -> a -> a
.|. Word8
ll in
let ck1 :: Word8
ck1 = (((Word8
b0 forall a. BitWise a => a -> a -> a
.|. Word8
b1 ) forall a. BitWise a => a -> a -> a
.^. Word8
0x55) forall a. Shift a => a -> Word64 -> a
.<. Word64
1) forall a. BitWise a => a -> a -> a
.|. Word8
ll in
let eok1 :: Word8
eok1 = Word8
ok1 forall a. BitWise a => a -> a -> a
.&. Word8
muk1 in
let eck1 :: Word8
eck1 = (Word8
ck1 forall a. BitWise a => a -> a -> a
.&. (Word8
muk1 forall a. Shift a => a -> Word64 -> a
.<. Word64
t64k1)) forall a. Shift a => a -> Word64 -> a
.>. Word64
t64k1 in
let ok2L :: Word8
ok2L = (Word8
ok1 forall a. BitWise a => a -> a -> a
.&. (Word8
muk1 forall a. Shift a => a -> Word64 -> a
.<. Word64
t64k1)) forall a. Shift a => a -> Word64 -> a
.>. Word64
t64k1 in
let ok2R :: Word8
ok2R = Int -> Word8 -> Word8 -> Word8
kBitDiffPos Int
4 Word8
eok1 Word8
eck1 in
let ok2 :: Word8
ok2 = Word8
ok2L forall a. Num a => a -> a -> a
+ Word8
ok2R in
let ck2 :: Word8
ck2 = (Word8
ck1 forall a. BitWise a => a -> a -> a
.&. Word8
muk1) forall a. Num a => a -> a -> a
+ Int -> Word8 -> Word8 -> Word8
kBitDiffPos Int
4 Word8
eck1 Word8
eok1 in
let eok2 :: Word8
eok2 = Word8
ok2 forall a. BitWise a => a -> a -> a
.&. Word8
muk2 in
let eck2 :: Word8
eck2 = (Word8
ck2 forall a. BitWise a => a -> a -> a
.&. (Word8
muk2 forall a. Shift a => a -> Word64 -> a
.<. Word64
t64k2)) forall a. Shift a => a -> Word64 -> a
.>. Word64
t64k2 in
let ok3L :: Word8
ok3L = (Word8
ok2 forall a. BitWise a => a -> a -> a
.&. (Word8
muk2 forall a. Shift a => a -> Word64 -> a
.<. Word64
t64k2)) forall a. Shift a => a -> Word64 -> a
.>. Word64
t64k2 in
let ok3R :: Word8
ok3R = Int -> Word8 -> Word8 -> Word8
kBitDiffPos Int
8 Word8
eok2 Word8
eck2 in
let ok3 :: Word8
ok3 = Word8
ok3L forall a. Num a => a -> a -> a
+ Word8
ok3R in
let ck3 :: Word8
ck3 = (Word8
ck2 forall a. BitWise a => a -> a -> a
.&. Word8
muk2) forall a. Num a => a -> a -> a
+ Int -> Word8 -> Word8 -> Word8
kBitDiffPos Int
8 Word8
eck2 Word8
eok2 in
let pak3 :: Word64
pak3 = Word64
c in
let sak3 :: Word64
sak3 = Word64
0 in
let hk3 :: Word8
hk3 = Word8
0x08 forall a. BitWise a => a -> a -> a
.&. forall a. BitWise a => a -> a
comp (Word8
0xff forall a. Shift a => a -> Word64 -> a
.>. forall a b. (Integral a, Num b) => a -> b
fromIntegral Word64
sak3) in
let fk3 :: Word8
fk3 = (Word8
ck3 forall a. Shift a => a -> Word64 -> a
.>. forall a b. (Integral a, Num b) => a -> b
fromIntegral Word64
sak3 forall a. BitWise a => a -> a -> a
.|. Word8
hk3) forall a. BitWise a => a -> a -> a
.&. Word8
mask3 in
let bk3 :: Word8
bk3 = ((forall a b. Narrow a b => a -> b
narrow Word64
pak3 forall a. Num a => a -> a -> a
- Word8
fk3) forall a. Shift a => a -> Word64 -> a
.>. forall a b. (Integral a, Num b) => a -> b
fromIntegral (Int8
wsz forall a. Num a => a -> a -> a
- Int8
1)) forall a. Num a => a -> a -> a
- Word8
1 in
let mk3 :: Word8
mk3 = Word8
bk3 forall a. BitWise a => a -> a -> a
.&. Word8
mask3 in
let pbk3 :: Word64
pbk3 = Word64
pak3 forall a. Num a => a -> a -> a
- forall a b. Widen a b => a -> b
widen (((Word8
ck3 forall a. Shift a => a -> Word64 -> a
.>. forall a b. (Integral a, Num b) => a -> b
fromIntegral Word64
sak3) forall a. BitWise a => a -> a -> a
.|. Word8
hk3) forall a. BitWise a => a -> a -> a
.&. Word8
mk3) in
let pck3 :: Word64
pck3 = Word64
pbk3 forall a. Num a => a -> a -> a
+ forall a b. Widen a b => a -> b
widen (((Word8
ok3 forall a. Shift a => a -> Word64 -> a
.>. forall a b. (Integral a, Num b) => a -> b
fromIntegral Word64
sak3) forall a. BitWise a => a -> a -> a
.|. Word8
hk3) forall a. BitWise a => a -> a -> a
.&. Word8
mk3) in
let sbk3 :: Word64
sbk3 = Word64
sak3 forall a. Num a => a -> a -> a
+ forall a b. Widen a b => a -> b
widen (Word8
t8k3 forall a. BitWise a => a -> a -> a
.&. Word8
bk3) in
let pak2 :: Word64
pak2 = Word64
pck3 in
let sak2 :: Word64
sak2 = Word64
sbk3 in
let hk2 :: Word8
hk2 = Word8
0x44 forall a. BitWise a => a -> a -> a
.&. forall a. BitWise a => a -> a
comp (Word8
0xff forall a. Shift a => a -> Word64 -> a
.>. forall a b. (Integral a, Num b) => a -> b
fromIntegral Word64
sak2) in
let fk2 :: Word8
fk2 = ((Word8
ck2 forall a. Shift a => a -> Word64 -> a
.>. forall a b. (Integral a, Num b) => a -> b
fromIntegral Word64
sak2) forall a. BitWise a => a -> a -> a
.|. Word8
hk2) forall a. BitWise a => a -> a -> a
.&. Word8
mask2 in
let bk2 :: Word8
bk2 = ((forall a b. Narrow a b => a -> b
narrow Word64
pak2 forall a. Num a => a -> a -> a
- Word8
fk2) forall a. Shift a => a -> Word64 -> a
.>. forall a b. (Integral a, Num b) => a -> b
fromIntegral (Int8
wsz forall a. Num a => a -> a -> a
- Int8
1)) forall a. Num a => a -> a -> a
- Word8
1 in
let mk2 :: Word8
mk2 = Word8
bk2 forall a. BitWise a => a -> a -> a
.&. Word8
mask2 in
let pbk2 :: Word64
pbk2 = Word64
pak2 forall a. Num a => a -> a -> a
- forall a b. Widen a b => a -> b
widen (((Word8
ck2 forall a. Shift a => a -> Word64 -> a
.>. forall a b. (Integral a, Num b) => a -> b
fromIntegral Word64
sak2) forall a. BitWise a => a -> a -> a
.|. Word8
hk2) forall a. BitWise a => a -> a -> a
.&. Word8
mk2) in
let pck2 :: Word64
pck2 = Word64
pbk2 forall a. Num a => a -> a -> a
+ forall a b. Widen a b => a -> b
widen ( (Word8
ok2 forall a. Shift a => a -> Word64 -> a
.>. forall a b. (Integral a, Num b) => a -> b
fromIntegral Word64
sak2) forall a. BitWise a => a -> a -> a
.&. Word8
mk2) in
let sbk2 :: Word64
sbk2 = Word64
sak2 forall a. Num a => a -> a -> a
+ forall a b. Widen a b => a -> b
widen (Word8
t8k2 forall a. BitWise a => a -> a -> a
.&. Word8
bk2) in
let pak1 :: Word64
pak1 = Word64
pck2 in
let sak1 :: Word64
sak1 = Word64
sbk2 in
let hk1 :: Word8
hk1 = Word8
0xaa forall a. BitWise a => a -> a -> a
.&. forall a. BitWise a => a -> a
comp (Word8
0xff forall a. Shift a => a -> Word64 -> a
.>. forall a b. (Integral a, Num b) => a -> b
fromIntegral Word64
sak1) in
let fk1 :: Word8
fk1 = ((Word8
ck1 forall a. Shift a => a -> Word64 -> a
.>. forall a b. (Integral a, Num b) => a -> b
fromIntegral Word64
sak1) forall a. BitWise a => a -> a -> a
.|. Word8
hk1) forall a. BitWise a => a -> a -> a
.&. Word8
mask1 in
let bk1 :: Word8
bk1 = ((forall a b. Narrow a b => a -> b
narrow Word64
pak1 forall a. Num a => a -> a -> a
- Word8
fk1) forall a. Shift a => a -> Word64 -> a
.>. forall a b. (Integral a, Num b) => a -> b
fromIntegral (Int8
wsz forall a. Num a => a -> a -> a
- Int8
1)) forall a. Num a => a -> a -> a
- Word8
1 in
let mk1 :: Word8
mk1 = Word8
bk1 forall a. BitWise a => a -> a -> a
.&. Word8
mask1 in
let pbk1 :: Word64
pbk1 = Word64
pak1 forall a. Num a => a -> a -> a
- forall a b. Widen a b => a -> b
widen (((Word8
ck1 forall a. Shift a => a -> Word64 -> a
.>. forall a b. (Integral a, Num b) => a -> b
fromIntegral Word64
sak1) forall a. BitWise a => a -> a -> a
.|. Word8
hk1) forall a. BitWise a => a -> a -> a
.&. Word8
mk1) in
let pck1 :: Word64
pck1 = Word64
pbk1 forall a. Num a => a -> a -> a
+ forall a b. Widen a b => a -> b
widen ( (Word8
ok1 forall a. Shift a => a -> Word64 -> a
.>. forall a b. (Integral a, Num b) => a -> b
fromIntegral Word64
sak1) forall a. BitWise a => a -> a -> a
.&. Word8
mk1) in
let sbk1 :: Word64
sbk1 = Word64
sak1 forall a. Num a => a -> a -> a
+ forall a b. Widen a b => a -> b
widen (Word8
t8k1 forall a. BitWise a => a -> a -> a
.&. Word8
bk1) in
let rrr :: Word64
rrr = Word64
sbk1 forall a. Num a => a -> a -> a
+ Word64
pck1 forall a. Num a => a -> a -> a
+ (((forall a b. Widen a b => a -> b
widen Word8
x forall a. Shift a => a -> Word64 -> a
.>. forall a b. (Integral a, Num b) => a -> b
fromIntegral Word64
sbk1) forall a. BitWise a => a -> a -> a
.&. ((Word64
pck1 forall a. Shift a => a -> Word64 -> a
.<. Word64
1) forall a. BitWise a => a -> a -> a
.|. Word64
1)) forall a. Shift a => a -> Word64 -> a
.<. Word64
1) in
Word64
rrr forall a. Num a => a -> a -> a
+ Word64
p
{-# INLINE findUnmatchedCloseFar #-}