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Add 32 bit int to hex string and leftrotate impls.

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This commit is contained in:
Marcus "Mark" Godwin
2022-04-15 00:35:00 -04:00
parent c6071dbbe1
commit 562770baf7
2 changed files with 102 additions and 0 deletions
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66
int2hex.kp Normal file
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((wrap (vau root_env (quote)
((wrap (vau (let1)
(let1 lambda (vau se (p b1) (wrap (eval (array vau p b1) se)))
(let1 current-env (vau de () de)
(let1 cons (lambda (h t) (concat (array h) t))
(let1 Y (lambda (f3)
((lambda (x1) (x1 x1))
(lambda (x2) (f3 (lambda (& y) (lapply (x2 x2) y))))))
(let1 vY (lambda (f)
((lambda (x3) (x3 x3))
(lambda (x4) (f (vau de1 (& y) (vapply (x4 x4) y de1))))))
(let1 let (vY (lambda (recurse) (vau de2 (vs b) (cond (= (len vs) 0) (eval b de2)
true (vapply let1 (array (idx vs 0) (idx vs 1) (array recurse (slice vs 2 -1) b)) de2)))))
(let (
; Some helper hex literals
xF 15
xF0 240
xFF 255
xFF00 65280
xFFFF 65535
xFFFF0000 4294901760
; nibble to hex digit
nibble_to_hexstr(lambda (n)
(cond (= n 15) "f"
(= n 14) "e"
(= n 13) "d"
(= n 12) "c"
(= n 11) "b"
(= n 10) "a"
true (str n))
)
; char to hex str
char_to_hexstr (lambda (c)
(concat
(nibble_to_hexstr (>> (band c xF0) 4))
(nibble_to_hexstr (band c xF)))
)
; short to hex str
short_to_hexstr (lambda (s)
(concat
(char_to_hexstr (>> (band s xFF00) 8))
(char_to_hexstr (band s xFF)))
)
; 32 bit int to hex string helper
int_to_hexstr (lambda (i)
(str
(concat
(short_to_hexstr (>> (band i xFFFF0000) 16))
(short_to_hexstr (band i xFFFF)))
)
)
monad (array 'write 1 "enter int to get hex string: " (vau (written code)
(array 'read 0 60 (vau (num code)
(array 'write 1 (concat (int_to_hexstr (read-string num)) "\n") (vau (written code)
(array 'exit 0)
))))))
) monad)
; end of all lets
))))))
; impl of let1
)) (vau de (s v b) (eval (array (array wrap (array vau (array s) b)) v) de)))
; impl of quote
)) (vau (x5) x5))

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leftrotate32bit.kp Normal file
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((wrap (vau root_env (quote)
((wrap (vau (let1)
(let1 lambda (vau se (p b1) (wrap (eval (array vau p b1) se)))
(let1 current-env (vau de () de)
(let1 cons (lambda (h t) (concat (array h) t))
(let1 Y (lambda (f3)
((lambda (x1) (x1 x1))
(lambda (x2) (f3 (lambda (& y) (lapply (x2 x2) y))))))
(let1 vY (lambda (f)
((lambda (x3) (x3 x3))
(lambda (x4) (f (vau de1 (& y) (vapply (x4 x4) y de1))))))
(let1 let (vY (lambda (recurse) (vau de2 (vs b) (cond (= (len vs) 0) (eval b de2)
true (vapply let1 (array (idx vs 0) (idx vs 1) (array recurse (slice vs 2 -1) b)) de2)))))
(let (
; bitwise left rotate
leftrotate (lambda (i shift_amt)
; Rotate i left by shift amt
(bor (<< i shift_amt) (>> i (- 32 shift_amt)))
)
monad (array 'write 1 "enter int to left rotate: " (vau (written code)
(array 'read 0 60 (vau (num code)
(array 'write 1 "enter rotate amount: " (vau (written code)
(array 'read 0 60 (vau (amount code)
(array 'write 1 (concat (str (leftrotate (read-string num) (read-string amount))) "\n") (vau (written code)
(array 'exit 0)
))))))))))
) monad)
; end of all lets
))))))
; impl of let1
)) (vau de (s v b) (eval (array (array wrap (array vau (array s) b)) v) de)))
; impl of quote
)) (vau (x5) x5))