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values | repo_name
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values | visit_date
timestamp[ns] | revision_date
timestamp[ns] | committer_date
timestamp[ns] | github_id
int64 1.59k
594M
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7.87M
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values | filename
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149
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stringlengths 4
7.87M
| has_macro_def
bool 2
classes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
8a4f9ffee3a9f76176c10c6d6f4e1cb22828767c
|
4b2aeafb5610b008009b9f4037d42c6e98f8ea73
|
/2.3/section.scm
|
cec621d7a51d7a64f146b53f8c41798c85383823
|
[] |
no_license
|
mrinalabrol/clrs
|
cd461d1a04e6278291f6555273d709f48e48de9c
|
f85a8f0036f0946c9e64dde3259a19acc62b74a1
|
refs/heads/master
| 2021-01-17T23:47:45.261326 | 2010-09-29T00:43:32 | 2010-09-29T00:43:32 | null | 0 | 0 | null | null | null | null |
UTF-8
|
Scheme
| false | false | 173 |
scm
|
section.scm
|
(require-extension
syntax-case
(srfi 31))
(require '../6.4/section)
(module
section-2.3
(sum-search)
(import* section-6.4 heapsort)
(include "../2.3/sum-search.scm"))
| false |
83dda7325bc10207b18a04a9fc9daf81b927ec58
|
ce567bbf766df9d98dc6a5e710a77870753c7d29
|
/ch8/base/cases.scm
|
3c9eae76c590ab6387575e767e48e1169c9b400c
|
[] |
no_license
|
dott94/eopl
|
1cbe2d98c948689687f88e514579e66412236fc9
|
47fadf6f2aa6ca72c831d6e2e2eccbe673129113
|
refs/heads/master
| 2021-01-18T06:42:35.921839 | 2015-01-21T07:06:43 | 2015-01-21T07:06:43 | 30,055,972 | 1 | 0 | null | 2015-01-30T04:21:42 | 2015-01-30T04:21:42 | null |
UTF-8
|
Scheme
| false | false | 6,624 |
scm
|
cases.scm
|
(define the-test-suite
'(
;; simple applications
(apply-proc-in-rator-pos "(proc(x : int) -(x,1) 30)" int 29)
(checker-doesnt-ignore-type-info-in-proc-but-interp-does
"(proc(x : (int -> int)) -(x,1) 30)"
error 29)
(apply-simple-proc "let f = proc (x : int) -(x,1) in (f 30)" int 29)
(let-to-proc-1
"(proc( f : (int -> int))(f 30) proc(x : int)-(x,1))" int 29)
(nested-procs "((proc (x : int) proc (y : int) -(x,y) 5) 6)" int -1)
(nested-procs2
"let f = proc (x : int) proc (y : int) -(x,y) in ((f -(10,5)) 3)"
int 2)
;; simple letrecs
(simple-letrec-1 "letrec int f(x : int) = -(x,1) in (f 33)" int 32)
(simple-letrec-2
"letrec int double(x : int) = if zero?(x) then 0 else -((double -(x,1)), -2) in (double 4)"
int 8)
(simple-letrec-3
"let m = -5
in letrec int f(x : int) = if zero?(x) then 0 else -((f -(x,1)), m) in (f 4)"
int 20)
(double-it "
letrec int double (n : int) = if zero?(n) then 0
else -( (double -(n,1)), -2)
in (double 3)"
int 6)
;; tests of expressions that produce procedures
(build-a-proc-typed "proc (x : int) -(x,1)" (int -> int))
(build-a-proc-typed-2 "proc (x : int) zero?(-(x,1))" (int -> bool))
(bind-a-proc-typed
"let f = proc (x : int) -(x,1) in (f 4)"
int 3)
(bind-a-proc-return-proc
"let f = proc (x : int) -(x,1) in f"
(int -> int))
(type-a-ho-proc-1
"proc(f : (int -> bool)) (f 3)"
((int -> bool) -> bool))
(type-a-ho-proc-2
"proc(f : (bool -> bool)) (f 3)"
error)
(apply-a-ho-proc
"proc (x : int) proc ( f : (int -> bool)) (f x)"
(int -> ((int -> bool) -> bool)))
(apply-a-ho-proc-2
"proc (x : int) proc ( f : (int -> (int -> bool))) (f x)"
(int -> ((int -> (int -> bool)) -> (int -> bool)))
)
(apply-a-ho-proc-3
"proc (x : int) proc ( f : (int -> (int -> bool))) (f zero?(x))"
error)
(apply-curried-proc
"((proc(x : int) proc (y : int)-(x,y) 4) 3)"
int 1)
(apply-a-proc-2-typed
"(proc (x : int) -(x,1) 4)"
int 3)
(apply-a-letrec "
letrec int f(x : int) = -(x,1)
in (f 40)"
int 39)
(letrec-non-shadowing
"(proc (x : int)
letrec bool loop(x : bool) =(loop x)
in x
1)"
int 1)
(letrec-return-fact "
let times = proc (x : int) proc (y : int) -(x,y) % not really times
in letrec
int fact(x : int) = if zero?(x) then 1 else ((times x) (fact -(x,1)))
in fact"
(int -> int))
(letrec-apply-the-fcn "
let f = proc (x : int) proc (y : int) -(x,y)
in letrec
int loop(x : int) = if zero?(x) then 1 else ((f x) (loop -(x,1)))
in (loop 4)"
int 3)
(modules-declare-and-ignore "
module m
interface
[u : int]
body
[u = 3]
33"
int 33)
(modules-take-one-value "
module m
interface
[u : int]
body
[u = 3]
from m take u"
int 3)
(modules-take-one-value-no-import
"module m
interface
[u : int]
body
[u = 3]
from m take u"
int 3)
;; (modules-take-from-parameterized-module "
;; module m
;; interface
;; ((m1 : []) => [u : int])
;; body
;; module-proc (m1 : []) [u = 3]
;; from m take u
;; "
;; error error)
(modules-check-iface-subtyping-1 "
module m
interface
[u : int]
body
[u = 3 v = 4]
from m take u"
int 3)
;; if the interpreter always called the typechecker, or put
;; only declared variables in the module, this would raise an
;; error. Exercise: make this modification.
;; (modules-take-one-value-but-interface-bad "
;; module m interface [] body [u = 3]
;; from m take u"
;; ; this version for permissive interp
;; error 3
;; ; this version for strict interp
;; ; error error
;; )
(modules-take-bad-value
"module m interface [] body [u = 3]
from m take x"
error error)
(modules-two-vals "
module m
interface
[u : int
v : int]
body
[u = 44
v = 33]
-(from m take u, from m take v)"
int 11)
(modules-two-vals-bad-interface-1
"module m interface [u : int v : bool]
body [u = 44 v = 33]
-(from m take u, from m take v)"
error 11)
(modules-extra-vals-are-ok-1 "
module m interface [x : int] body [x = 3 y = 4]
from m take x"
int 3)
(module-extra-vals-are-ok-2 "
module m interface [y : int] body [x = 3 y = 4]
from m take y"
int)
(modules-two-vals-bad-interface-14
"module m interface
[v : int
u : bool]
body
[v = zero?(0) u = 33]
-(from m take u, from m take v)"
error)
(modules-check-let*-1
"module m interface [u : int v : int]
body [u = 44 v = -(u,11)]
-(from m take u, from m take v)"
int 11)
(modules-check-let*-2.0
"module m1 interface [u : int] body [u = 44]
module m2 interface [v : int]
body
[v = -(from m1 take u,11)]
-(from m1 take u, from m2 take v)"
int 11)
(modules-check-let*-2.05
"module m1 interface [u : int] body [u = 44]
module m2 interface [v : int] body [v = -(from m1 take u,11)]
33"
int 33) ; doesn't actually import anything
(modules-check-let*-2.1
"module m1 interface [u : int] body [u = 44]
module m2
interface [v : int]
body [v = -(from m1 take u,11)]
-(from m1 take u, from m2 take v)"
int 11)
(modules-check-let*-2.2
"module m2
interface [v : int]
body
[v = -(from m1 take u,11)]
module m1 interface [u : int] body [u = 44]
-(from m1 take u, from m2 take v)"
error)
))
(define tests-for-run
(let loop ((lst the-test-suite))
(cond
((null? lst) '())
((= (length (car lst)) 4)
;; (printf "creating item: ~s~%" (caar lst))
(cons
(list
(list-ref (car lst) 0)
(list-ref (car lst) 1)
(list-ref (car lst) 3))
(loop (cdr lst))))
(else (loop (cdr lst))))))
(define tests-for-parse
(let loop ((lst the-test-suite))
(cond
((null? lst) '())
(else
;; (printf "creating item: ~s~%" (caar lst))
(cons
(list
(list-ref (car lst) 0)
(list-ref (car lst) 1)
#t)
(loop (cdr lst)))))))
;; ok to have extra members in a test-item.
(define tests-for-check the-test-suite)
| false |
80fb591c94f9dde195b789f07835b9e666c0eba3
|
8e6523e3ea1110c2e86d0e1b296ca44499295bc5
|
/elf/elf-write.ss
|
619fc561f5b74205e882c80f616c7ed3b554701a
|
[] |
no_license
|
duane/xscm2
|
9634dddeb366a1f43152d77879f44a63a66e9e61
|
da62b25916474da0657e33c5df2e0b14304376fd
|
refs/heads/master
| 2023-05-11T20:40:32.257063 | 2020-08-16T20:34:27 | 2020-08-16T20:34:27 | 277,736,322 | 0 | 0 | null | null | null | null |
UTF-8
|
Scheme
| false | false | 7,806 |
ss
|
elf-write.ss
|
#!r6rs
(import (rnrs)
(struct pack))
(define elf-header-aarch64 #vu8(127 69 76 70 2 1 1 0 0 0 0 0 0 0 0 0 1 0 183 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0))
(define-record-type string-table
(fields
(mutable length)
(mutable strings)))
(define (new-string-table) (make-string-table 1 '()))
(define (add-string-to-table table string)
(let* [(len (string-table-length table))
(strings (string-table-strings table))
(utf8-string (string->utf8 string))
(this-string-length (bytevector-length utf8-string))
(updated-length (+ len this-string-length 1))]
(string-table-length-set! table updated-length)
(string-table-strings-set! table (cons (cons len utf8-string) strings))
(display string)
(display ": ")
(display len)
(display " - ")
(display this-string-length)
(newline)
len ; starting offset of string
)
)
(define (string-table->bytevector table)
(let* [(len (string-table-length table))
(strings (string-table-strings table))
(buffer (make-bytevector len))]
(letrec [(write-strings
(lambda (lst)
(cond [(null? lst)
(bytevector-u8-set! buffer 0 0)]
[else (let* [(offset-and-string-pair (car lst))
(offset (car offset-and-string-pair))
(string (cdr offset-and-string-pair))
(rest (cdr lst))
(str-len (bytevector-length string))]
(bytevector-u8-set! buffer (+ offset str-len) 0)
(bytevector-copy! string 0 buffer offset str-len)
(write-strings rest))])
))]
(write-strings strings))
buffer))
(define (pack-elf-header-aarch64 binary-output-port)
(put-pack binary-output-port
"<L 12C 2S L 3Q L 6S"
#x464C457F ; magic byte: 4 bytes
2 ; ei_class: 1 byte
1 ; ei_data: 1 byte
1 ; ei_version: 1 byte
0 ; ei_osabi: 1 byte
0 ; ei_abiversion: 1 byte
0 0 0 0 0 0 0 ; ei_pad: 7 bytes
1 ; ei_type: et_rel: 1 byte
#xB7 ; ei_machine: aarch64: 1 byte
1 ; ei_version: 1 byte
0 ; e_entry: 8 bytes
0 ; e_phoff: 8 bytes
0 ; e_shoff: 8 bytes
0 ; e_flags: 4 bytes
0 ; e_ehsize: 2 bytes
0 ; e_phentsize: 2 bytes
0 ; e_phnum: 2 bytes
64 ; e_shentsize: 2 bytes
0 ; e_shnum: 2 bytes
0 ; e_shstrndx: 2 bytes
)
)
(define-record-type elf-section-writer
(fields
sh_name
sh_type
sh_flags
sh_addr
sh_offset
sh_size
sh_link
sh_info
sh_addralign
sh_entsize
)
)
(define (patch-section-header-offsets-and-shstrtab-index port offset count shstrtab-index)
(let [(e_shoff-patch (make-bytevector 8))
(e_shnum-patch (make-bytevector 2))]
(set-port-position! port #x28)
(bytevector-u64-set! e_shoff-patch 0 offset (endianness little))
(put-bytevector port e_shoff-patch)
(set-port-position! port #x3C)
(bytevector-u16-set! e_shnum-patch 0 count (endianness little))
(put-bytevector port e_shnum-patch)
(put-pack port "<S" shstrtab-index)
)
)
(define (write-section-header-64 port writer)
(let [(section-header-buffer (make-bytevector #x40))]
(bytevector-u32-set! section-header-buffer 0 (elf-section-writer-sh_name writer) (endianness little))
(bytevector-u32-set! section-header-buffer #x4 (elf-section-writer-sh_type writer) (endianness little))
(bytevector-u64-set! section-header-buffer #x8 (elf-section-writer-sh_flags writer) (endianness little))
(bytevector-u64-set! section-header-buffer #x10 (elf-section-writer-sh_addr writer) (endianness little))
(bytevector-u64-set! section-header-buffer #x18 (elf-section-writer-sh_offset writer) (endianness little))
(bytevector-u64-set! section-header-buffer #x20 (elf-section-writer-sh_size writer) (endianness little))
(bytevector-u32-set! section-header-buffer #x28 (elf-section-writer-sh_link writer) (endianness little))
(bytevector-u32-set! section-header-buffer #x2c (elf-section-writer-sh_info writer) (endianness little))
(bytevector-u64-set! section-header-buffer #x30 (elf-section-writer-sh_addralign writer) (endianness little))
(bytevector-u64-set! section-header-buffer #x38 (elf-section-writer-sh_entsize writer) (endianness little))
(put-bytevector port section-header-buffer)
)
)
(define (write-section
port
section
sh_name
sh_type
sh_flags
sh_addr
sh_link
sh_info
sh_addralign
sh_entsize
)
(let [(len (bytevector-length section))
(offset (port-position port))]
(put-bytevector port section)
(make-elf-section-writer
sh_name
sh_type
sh_flags
sh_addr
offset
len
sh_link
sh_info
sh_addralign
sh_entsize
)
)
)
(define (write-elf-file
text-bv
data-bv
bss-bv
port)
; (put-bytevector port elf-header-aarch64)
(pack-elf-header-aarch64 port)
(let* [(sh-string-table (new-string-table))
(headers
(vector
(write-section ; NULL section
port
#vu8()
#x0
#x0
#x0
#x0
#x0
#x0
#x0
#x0
)
(write-section
port
text-bv
(add-string-to-table sh-string-table ".text")
#x1 ; progbits
#x6 ; execinstr alloc
#x0
#x0
#x0
#x0
#x0
)
(write-section
port
data-bv
(add-string-to-table sh-string-table ".data")
#x1 ; progbits
#b11 ; alloc write
#x0
#x0
#x0
#x0
#x0
)
(write-section
port
bss-bv
(add-string-to-table sh-string-table ".bss")
#x8 ; nobits
#x0
#x0
#x0
#x0
#x0
#x0)
(write-section
port
(string-table->bytevector sh-string-table)
(add-string-to-table sh-string-table ".shstrtab")
#x3
#x2
#x0
#x0
#x0
#x0
#x0 )))
]
(let [(section-offset (port-position port))]
(display (string-table->bytevector sh-string-table))
(vector-for-each
(lambda (section-header) (write-section-header-64 port section-header))
headers)
(patch-section-header-offsets-and-shstrtab-index
port
section-offset
(vector-length headers)
(- (vector-length headers) 1))
)
)
)
(define (with-binary-output-file procedure path)
(let [(port (open-file-output-port path (file-options no-fail) 'block #f))]
(let [(result (procedure port))]
(close-port port)
result
)
)
)
| false |
f092b934112527fa6a9ab009df7a64cef356ec23
|
95b65c399510a7a52b7152b821b538b7a8046b3b
|
/2020/16/main.scm
|
17ef7aa2397ff737cc457c167109151cc9537f11
|
[] |
no_license
|
HugoNikanor/Advent-of-code
|
168d708092f7a54805e93a249877add418f24f95
|
ff6f7c8cb2ab3e6e1fbdf9ff3ca993ef37552857
|
refs/heads/master
| 2023-04-27T16:00:15.677315 | 2023-04-24T09:52:38 | 2023-04-24T09:52:38 | 225,194,365 | 0 | 0 | null | null | null | null |
UTF-8
|
Scheme
| false | false | 4,769 |
scm
|
main.scm
|
#!/usr/bin/guile -s
!#
(import (ice-9 regex)
(ice-9 rdelim)
(srfi srfi-1))
(define predicates
(map (lambda (line)
(cond ((string-match
"^([a-z ]*): ([0-9]+)-([0-9]+) or ([0-9]+)-([0-9]+)$"
line) => (lambda (m)
(cons (string->symbol (string-map
(lambda (c)
(if (char=? c #\space)
#\- c))
(match:substring m 1)))
(lambda (x)
(or (<=
(string->number (match:substring m 2))
x
(string->number (match:substring m 3)))
(<=
(string->number (match:substring m 4))
x
(string->number (match:substring m 5))))))
))
(else (throw 'match-error))))
(let loop ()
(let ((line (read-line)))
(if (or (eof-object? line)
(string-null? line))
'()
(cons line (loop)))))))
(read-line)
(define my-ticket (map string->number (string-split (read-line) #\,)))
(read-line)
(read-line)
(define tickets
(map (lambda (line) (map string->number (string-split line #\,)))
(let loop ()
(let ((line (read-line)))
(if (or (eof-object? line)
(string-null? line))
'()
(cons line (loop)))))))
(define numbers '())
(define valid-tickets
(filter-map (lambda (ticket)
;; (display ticket) (newline)
(and (every (lambda (number)
;; true if number valides
;; fales if completely wrong
(fold (lambda (a b) (or a b))
#f (map (lambda (p) (p number)) (map cdr predicates))))
ticket)
ticket))
tickets))
(define categories (array->list (transpose-array (list->array 2 valid-tickets) 1 0)))
;; (display categories)
;; (newline)
(define valid-tags
(map (lambda (category i)
(cons i (filter-map
(lambda (pred)
(and (fold (lambda (n valid)
(and valid ((cdr pred) n)))
#t category)
(car pred)))
predicates)))
categories
(iota (length categories))))
(define-once pq-magic (gensym))
(define* (make-priority-queue key compare #:optional (data '()))
(list pq-magic key compare data))
(define (priority-queue? pq) (eq? pq-magic (car pq)))
(define (priority-queue->list pq)
(list-ref pq 3))
(define (pq-insert item pq)
(let ((< (list-ref pq 2))
(key (list-ref pq 1)))
(make-priority-queue
key <
(let loop ((pq (list-ref pq 3)))
(cond ((null? pq) (cons item '()))
((< (key item) (key (car pq))) (cons item pq))
(else (cons (car pq)
(loop (cdr pq)))))))))
(define pq
(fold (lambda (item q) (pq-insert item q))
(make-priority-queue (compose length cdr) <)
valid-tags))
(define field-types
(let ((set '()))
(map (lambda (vtags)
(let ((return (lset-difference eq? vtags set)))
(set! set (lset-union eq? set vtags))
return))
(priority-queue->list pq))))
(define indices
(filter-map (lambda (field-type)
(display field-type) (newline)
(if (and (<= (string-length "departure")
(string-length (symbol->string (cadr field-type))))
(string= (symbol->string (cadr field-type))
"departure" 0 (string-length "departure")))
(car field-type)
#f
;; (begin (display "\x1b[1m") (display (cadr field-type))
;; (display "\x1b[m") (newline))
;; (begin
;; (display (cadr field-type)) (newline))
))
field-types))
(display indices) (newline)
(display my-ticket)
(newline)
(display
(apply *
(map (lambda (index) (list-ref my-ticket index))
indices)))
(newline)
;; (display (length valid-tags))
;; (newline)
;; (display (length (priority-queue->list pq)))
;; (newline)
| false |
bec1754294895dab0515ae8b6922f09827787e11
|
224a6601f08e4b3f800d23436874f7d04897bebf
|
/appendix/parser/trace.scm
|
1e1a91c653421b1d549dc2630bd4793214abe5f0
|
[] |
no_license
|
bmstu-iu9/scheme-labs
|
3356aadbb109e9c07ed3d8e839f5af2f3b51d181
|
106de6b30048dee8c5ee0928c8782a7bc826ff0d
|
refs/heads/master
| 2022-12-10T08:38:36.199689 | 2022-12-04T11:42:57 | 2022-12-04T11:42:57 | 76,261,982 | 26 | 22 | null | 2022-11-08T16:57:45 | 2016-12-12T14:06:38 |
Scheme
|
UTF-8
|
Scheme
| false | false | 178 |
scm
|
trace.scm
|
(define-syntax trace-ex
(syntax-rules ()
((trace-ex expr)
(begin
(write 'expr)
(display " => ")
(let ((v expr))
(write v)
v)))))
| true |
2c374982a853fcd5e9128c07f400ed226bf168f3
|
fb9a1b8f80516373ac709e2328dd50621b18aa1a
|
/ch5/q519.scm
|
1043ed87e81bdf1e35d7631abe8ce4935da0357c
|
[] |
no_license
|
da1/sicp
|
a7eacd10d25e5a1a034c57247755d531335ff8c7
|
0c408ace7af48ef3256330c8965a2b23ba948007
|
refs/heads/master
| 2021-01-20T11:57:47.202301 | 2014-02-16T08:57:55 | 2014-02-16T08:57:55 | null | 0 | 0 | null | null | null | null |
UTF-8
|
Scheme
| false | false | 5,131 |
scm
|
q519.scm
|
;; 問題5.19
;; ブレークポイント機能
;; (set-breakpoint <machine> <label> <n>)
;; 指定したラベルのあとn番目の命令の直前にブレークポイントを設置する
;; http://www.serendip.ws/archives/3380
(define (delete x xs)
(if (null? list)
'()
(let ((front (car xs)))
(if (equal? x front)
(cdr xs)
(cons front (delete x (cdr xs)))))))
(define (make-new-machine)
(let ((pc (make-register 'pc))
(flag (make-register 'flag))
(stack (make-stack))
(the-instruction-sequence '())
(instruction-count 0)
(instruction-sequence '())
(instruction-trace-flag #f)
(the-instruction-sequence '())
(label '())
(breakpoints '())
(count-from-label 0))
(let ((the-ops
(list (list 'initialize-stack
(lambda () (stack 'initialize)))
(list 'print-stack-statistics
(lambda () (stack 'print-stack-statistics)))))
(register-table
(list (list 'pc pc) (list 'flag flag))))
(define (allocate-register name)
(if (assoc name register-table)
(error "Multiply defined register:" name)
(set! register-table
(cons (list name (make-register name))
register-table)))
'register-allocated)
(define (lookup-register name)
(let ((val (assoc name register-table)))
(if val
(cadr val)
(error "Unknown register:" name))))
(define (execute)
(let ((insts (get-contents pc)))
(if (null? insts)
'done
(begin
((instruction-execution-proc (car insts)))
(if (not (equal? (caaar insts) 'label))
(begin
(set! instruction-count (+ 1 instruction-count))
(set! count-from-label (+ 1 count-from-label)))
(begin
(set! count-from-label 0)
(set! label (cadr (caar insts)))))
(print-trace (car insts) label)
(if (member (cons label count-from-label) breakpoints)
(print "=== breakpoint ===")
(execute))))))
(define (set-bpoint label n)
(if (not (memq (cons label n) (map car breakpoints)))
(set! breakpoints (cons (cons label n) breakpoints))))
(define (del-bpoint label n)
(if (member (cons label n) breakpoints)
(set! breakpoints (delete (cons label n) breakpoints))
(error "Unknown breakpoint del-bpoint" (cons label n))))
(define (del-all-bpoint)
(set! breakpoints '()))
(define (get-instruction-count)
instruction-count)
(define (initialize-instruction-count)
(set! instruction-count 0))
(define (set-instruction-trace flag)
(set! instruction-trace-flag flag))
(define (print-trace inst label)
(if instruction-trace-flag
(begin
(print "label: " label ", instruction: " (car inst)))
(newline)))
(define (dispatch message)
(cond ((eq? message 'start)
(set-contents! pc the-instruction-sequence)
(execute))
((eq? message 'install-instruction-sequence)
(lambda (seq) (set! the-instruction-sequence seq)))
((eq? message 'allocate-register) allocate-register)
((eq? message 'get-register) lookup-register)
((eq? message 'install-operations)
(lambda (ops) (set! the-ops (append the-ops ops))))
((eq? message 'stack) stack)
((eq? message 'operations) the-ops)
((eq? message 'get-instruction-count)
(let ((cnt (get-instruction-count)))
(initialize-instruction-count)
cnt))
((eq? message 'initialize-instruction-count)
(initialize-instruction-count))
((eq? message 'trace-on) (set-instruction-trace #t))
((eq? message 'trace-off) (set-instruction-trace #f))
((eq? message 'set-bpoint) set-bpoint)
((eq? message 'del-bpoint) del-bpoint)
((eq? message 'del-all-bpoint) del-all-bpoint)
((eq? message 'proceed) execute)
(else (error "Unknown request -- MACHINE" message))))
dispatch)))
(define (set-breakpoint machine label n)
((machine 'set-bpoint) label n)
'set-breakpoint-done)
(define (cancel-breakpoint machine label n)
((machine 'del-bpoint) label n)
'delete-breakpoint-done)
(define (cancel-all-breakpoint machine)
((machine 'del-all-bpoint))
'delete-all-breakpoint-done)
(define (proceed-machine machine)
((machine 'proceed)))
(define gcd-machine
(make-machine
'(a b t)
(list (list 'rem remainder) (list '= =))
'(test-b
(test (op =) (reg b) (const 0))
(branch (label gcd-done))
(assign t (op rem) (reg a) (reg b))
(assign a (reg b))
(assign b (reg t))
(goto (label test-b))
gcd-done)))
(gcd-machine 'trace-on)
(set-breakpoint gcd-machine 'test-b 4)
(set-breakpoint gcd-machine 'test-b 6)
(set-register-contents! gcd-machine 'a 206)
(set-register-contents! gcd-machine 'b 40)
(start gcd-machine)
(get-register-contents gcd-machine 'a)
(proceed-machine gcd-machine)
(get-register-contents gcd-machine 'a)
(proceed-machine gcd-machine)
(get-register-contents gcd-machine 'a)
(cancel-breakpoint gcd-machine 'test-b 6)
(proceed-machine gcd-machine)
(get-register-contents gcd-machine 'a)
(cancel-all-breakpoint gcd-machine)
(proceed-machine gcd-machine)
(get-register-contents gcd-machine 'a)
| false |
21a0fab00ee5bb84630dd13c61e23ef2c27cd336
|
c51f6a2ddfedc49313106d935141286eb0a13256
|
/PAPR2/maze/test-maze/maze994.scm
|
851771b103ec74f766285c3c42fe03881b0d9ed6
|
[] |
no_license
|
Emp3r/School
|
395970f68238cf4e1723241d578b17113f0412b8
|
0814b06931939f3d745713c16c64e5d8adc783f6
|
refs/heads/master
| 2021-01-14T08:04:25.875803 | 2017-03-26T13:47:13 | 2017-03-26T13:47:13 | 17,414,260 | 0 | 1 | null | 2017-03-26T13:47:13 | 2014-03-04T19:35:00 |
Scheme
|
UTF-8
|
Scheme
| false | false | 187,556 |
scm
|
maze994.scm
|
(define setting (quote ((78 . 4) (10 . 96) (250 . #(#t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #t #t #t #f #t #t #t #t #t #f #t #t #t #t #t #t #f #t #t #f #t #t #t #t #t #t #t #t #f #t #t #t #t #f #f #f #f #f #f #f #f #f #f #f #f #f #t #f #t #t #t #t #f #t #t #t #t #t #t #t #t #t #t #f #t #t #t #f #t #t #t #t #t #t #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #t #t #t #t #f #f #f #f #f #f #f #f #f #f #f #f #f #f #t #f #f #f #f #f #f #f #f #f #f #f #f #t #t #t #t #f #t #t #f #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #f #t #t #t #t #t #t #t #t #t #f #t #t #t #t #f #t #t #t #t #t #t #t #t #t #t #f #t #t #t #f #t #f #t #t #t #t #t #f #t #t #t #t #t #t #t #t #t #t #t #t #t #f #t #f #t #t #t #t #t #t #t #f #t #f #t #t #t #t #t #t #t #t #t #t #t #t #f #t #t #t #t #t #t #t #t #t #t #t #t #f #t #t #f #f #f #t #t #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #t #t #t #t #f #t #t #t #f #t #t #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #t #f #t #t #t #f #t #t #t #t #t #t #f #t #f #t #t #t #t #t #t #t #t #f #t #t #t #t #t #t #t #t #t #f #f #f #f #f #f #t #t #t #f #t #t #t #t #t #t #t #t #t #f #f #t #f #t #f #t #f #t #t #t #t #t #t #t #t #t #t #t #t #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #t #f #t #t #t #t #f #t #t #t #t #t #t #t #t #t #t #f #t #t #t #t #t #t #t #t #t #t #t #t #t #t #f #t #t #t #f #t #f #t #t #t #t #t #t #f #t #t #f #t #t #t #t #f #t #t #t #t #t #t #t #t #t #t #t #t #t #f #t #t #f #t #t #t #t #t #t #f #t #f #t #t #t #t #t #t #t #t #t #t #t #t #t #f #t #t #t #t #f #t #t #t #t #t #t #t #t #t #t #t #f #t #t #f #t #t #t #t #t #t #t #t #t #t #f #t #t #t #t #t #t #t #f #t #f #t #f #f #f #f #f #f #f #f #f #t #f #t #t #t #t #f #t #t #f #t #t #t #t #t #t #f #f #t #t #t #f #f #f #f #t #t #t #f #f #f #f #f #f #f #f #f #t #t #f #t #t #t #t #t #t #t #t #t #t #t #t #t #t #f #f #f #f #f #f #f #f #f #f #f #f #f #f #t #f #t #t #t #t #t #f #t #f #t #t #t #t #t #t #t #t #t #t #f #t #t #t #t #f #t #t #t #t #t #t #t #t #f #t #f #f #f #t #t #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #t #t #t #f #t #t #t #t #t #t #t #t #t #f #t #t #t #t #t #t #t #f #t #t #t #t #t #t #t #f #t #t #t #f #t #t #t #f #t #t #f #t #t #f #t #t #t #t #t #t #t #f #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #f #t #f #t #t #t #f #t #t #f #t #t #t #t #t #f #t #t #t #f #t #t #t #t #f #t #t #t #t #t #t #t #t #f #t #t #t #t #t #t #f #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #f #t #t #t #f #t #t #f #t #f #t #t #f #t #f #t #t #t #t #f #t #t #t #t #f #t #t #f #t #t #t #t #t #t #t #t #f #t #t #t #f #t #t #t #t #t #f #t #t #t #t #t #t #t #t #f #t #t #t #t #t #f #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #f #t #t #t #t #t #t #t #t #t #f #t #t #t #f #t #t #t #t #t #t #t #t #t #t #t #t #f #t #t #f #t #f #t #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #t #t #f #t #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #t #t #t #t #t #f #t #f #t #t #f #t #t #t #t #t #t #t #t #t #t #t #t #t #f #t #t #f #t #f #t #t #f #t #t #t #t #t #t #t #t #t #t #t #f #t #t #t #t #t #t #f #f #f #f #t #t #t #t #t #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #t #t #t #t #t #f #f #f #f #f #f #f #f #f #f #f #f #t #t #t #t #t #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #t #f #t #t #t #t #f #t #t #t #t #t #f #t #t #t #f #t #f #t #t #t #f #t #t #f #t #f #t #t #t #f #t #t #t #f #t #t #t #t #f #t #t #f #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #f #t #t #f #t #t #t #f #t #t #t #t #f #t #t #t #t #t #f #t #t #f #t #t #t #t #t #f #t #t #f #t #t #f #t #t #t #t #t #f #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #t #t #t #t #t #f #t #t #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #t #t #t #t #t #t #t #t #t #f #t #t #t #t #t #f #t #t #t #t #t #t #f #t #t #f #t #f #t #t #f #t #t #t #t #t #f #t #t #t #t #t #t #t #t #f #t #t #t #t #f #f #f #t #f #t #t #t #t #t #t #t #t #f #t #t #t #t #t #t #t #t #f #t #t #t #f #t #f #t #t #f #t #f #t #f #f #f #f #f #f #f #f #t #t #t #t #t #f #t #t #t #f #t #t #t #t #t #t #t #t #t #t #f #t #f #f #f #t #t #t #t #t #t #t #t #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #t #f #f #f #f #f #f #f #f #f #f #f #t #t #t #t #t #f #t #t #t #f #f #f #f #f #f #t #f #t #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #t #t #t #f #t #t #f #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #f #t #t #f #t #t #f #t #t #f #t #t #t #t #f #t #t #t #f #t #f #t #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #t #t #f #t #f #t #t #t #t #t #t #t #t #t #f #t #t #t #t #t #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #t #t #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #t #t #t #t #t #t #t #t #t #t #f #f #f #t #f #t #t #t #t #f #t #t #t #t #t #f #t #t #t #f #t #t #t #t #f #f #t #f #f #f #f #t #t #t #f #f #f #f #f #f #f #f #f #f #t #t #t #f #t #t #t #t #t #t #t #t #t #t #t #f #t #t #f #t #f #t #t #t #t #t #t #f #t #t #t #t #f #f #f #f #f #f #f #f #f #f #t #t #t #t #t #f #f #f #f #f #t #f #t #f #t #f #t #t #t #t #t #t #t #t #f #t #f #t #f #t #t #t #t #t #t #t #t #t #t #t #t #f #t #t #f #f #f #f #f #f #f #f #f #f #f #f #t #t #t #t #f #t #t #f #t #t #t #t #t #t #t #t #f #f #f #t #t #t #t #f #f #t #t #t #t #t #t #f #t #t #t #f #t #f #t #t #f #f #f #f #f #f #f #f #f #f #f #f #f #f #t #f #f #f #f #t #t #f #t #t #t #t #t #f #t #t #t #t #t #t #t #f #t #t #t #f #t #t #t #t #t #t #f #t #f #t #t #t #t #t #t #t #t #t #t #f #t #t #t #t #t #t #t #t #f #t #f #f #f #t #t #t #t #f #f #f #f #f #f #f #t #t #t #f #t #t #t #t #t #t #f #f #t #t #f #t #t #t #f #t #t #t #t #t #t #t #t #f #t #t #f #t #t #t #t #t #t #t #t #t #t #t #t #f #t #t #t #t #f #t #t #t #t #t #t #t #t #t #t #t #f #t #f #t #t #t #t #t #t #f #t #t #t #t #t #f #t #t #t #t #t #f #t #t #t #t #t #t #t #t #t #t #t #t #f #t #t #t #f #f #f #f #f #f #f #f #t #t #t #t #t #f #f #f #f #t #t #t #t #t #t #t #t #t #t #f #f #f #f #f #f #f #f #f #f #f #t #t #t #t #t #t #t #t #f #t #f #f #f #t #f #t #t #t #t #t #t #f #t #t #f #f #f #f #t #t #f #t #t #t #t #t #t #t #t #t #t #t #t #t #t #f #t #t #t #t #t #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #t #f #t #f #f #t #t #t #f #t #t #t #t #t #f #f #t #t #f 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#t #t #t #t #t #t #t #t #t #t #f #t #t #t #f #t #f #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #f #t #t #t #t #t #f #t #t #t #t #f #t #t #t #t #f #f #t #t #t #t #t #t #f #t #t #f #t #t #t #f #t #t #t #t #f #t #t #t #t #t #f #t #f #t #t #f #f #f #f #f #f #f #f #f #t #t #t #f #t #t #f #t #t #t #t #t #t #t #t #f #t #t #t #f #t #f #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #f #t #t #t #t #t #t #t #t #t #t #t #t #f #f #f #f #f #f #f #f #f #t #t #f #t #f #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #t #t #t #t #t #t #t #t #f #t #t #t #f #t #f #t #t #t #t #f #t #f #f #f #f #t #t #t #f #t #t #f #t #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #t #t #t #t #f #t #t #t #t #t #t #t #t #t #t #f #t #t #t #t #t #t #f #t #t #f #t #t #t #t #t #t #t #t #t #t #t #t #t #t 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#t #f #t #t #f #t #t #t #f #t #t #t #t #f #t #t #f #t #f #t #f #t #t #t #t #t #t #t #t #t #t #t #t #f #t #t #f #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #f #t #f #t #f #t #t #t #f #t #f #t #t #t #t #t #t #t #t #t #t #t #t #f #t #t #t #t #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #t #t #t #t #t #t #t #f #f #f #f #f #t #f #t #t #t #f #t #t #t #f #t #t #t #f #t #t #t #t #t #t #t #t #f #t #t #t #t #t #t #t #t #t #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #t #t #t #f #f #f #f #f #f #f #f #f #f #f #f #t #f #t #t #t #t #t #t #f #f #f #f #f #f #f #f #f #f #f #f #f #t #t #t #f #t #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #t #f #t #t #t #t #t #f #t #t #t #t #t #t #f #f #f #f #f #f #f #t #t #t #t #f #t #t #t #t #f #t #f #t #t #t #t #t #t #t #t #t #f #t #t #t #t #t #t #t #t #f #f #f #f #t #t #f #t #f #f #f #f #f #f #f #f #f #f #f #f #t #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #f #t #t #t #t #t #t #t #t #t #t #t #f #t #t #f #t #t #f #t #t #f #t #t #t #t #t #f #t #f #t #t #t #f #t #t #t #t #f #t #f #t #t #t #t #f #t #t #f #t #f #t #t #t #t #t #t #t #f #t #t #t #t #t #t #t #t #t #t #t #t #t #f #t #t #t #t #t #t #t #t #t #t #f #t #t #t #f #t #t #t #t #f #t #t #t #t #f #t #t #t #t #t #f #t #t #t #t #t #t #t #f #t #t #t #f #t #t #t #t #t #t #t #f #t #t #t #t #t #t #t #t #t #t #t #f #t #t #t #t #t #f #t #f #f #f #t #t #t #t #t #f #f #t #t #t #f #t #t #t #t #t #f #t #f #t #t #t #t #f #f #f #f #f #f #t #t #f #f #f #f #f #f #f #f #f #f #t #f #f #f #f #f #f #t #t #t #t #f #f #f #t #t #t #t #t #f #t #f #t #t #t #t #t #t #t #f #t #t #t #t #f #t #t #t #f #t #t #t #t #t #t #t #t #t #t #f #t #t #t #t #t #t #f #t #t #t #t #t #t #f #t #t #t #t #t #t #t #t #f #t #t #t #t #t #f #t #t #t #t #t #f #t #t #f #t #t #f #t #t #t #t #f #f #t #t #t #t #f #t #t #t #t #t #f #f #t #t #f #t #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #t #t #t #t #t #t #t #t #t #t #t #t #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #t #t #t #t #t #t #f #f #t #t #t #t #t #t #t #t #t #t #f #t #f #t #t #t #t #t #t #t #t #t #f #t #t #t #t #t #t #f #t #t #f #t #f #f #f #t #t #t #t #t #t #t #t #t #f #t #t #t #f #f #f #f #f #t #f #t #t #t #t #t #t #t #f #t #t #t #t #t #t #t #t #f #t #t #t #f #t #t #t #t #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #t #t #f #t #t #f #t #t #f #f #t #t #t #t #f #t #t #t #t #f #t #t #t #t #t #t #f #f #t #f #t #f #t #f #t #t #t #t #t #t #t #t #t #f #t #t #t #t #t #t #t #f #t #t #t #t #t #t #t #t #t #t #t #t #f #t #t #t #f #t #t #t #f #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #f #t #f #f #t #t #t #t #t #t #t #t #f #t #t #t #t #t #t #t #t #t #t #t #t #t #t #f #t #f #t #f #t #t #t #t #t #t #t #f #t #t #t #t #t #t #t #t #t #t #f #t #f #t #t #t #t #t #t #t #t #t #f #f #f #f #f #f #f #f #t #t #t #t #f #t #t #t #f #t #t #t #t #t #t #t #f #t #t #t #f #t #t #t #t #t #f #f #t #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #t #t #t #f #t #t #t #f #t #f #t #t #t #f #t #t #t #t #t #t #t #f #t #t #t #f #t #t #t #t #t #t #t #t #t #t #f #f #f #f #f #f #f #t #t #t #f #t #f #f #f #f #t #t #t #t #f #f #t #t #t #t #f #f #t #t #f #t #f #t #f #t #t #t #t #t #t #t #t #t #f #t #t #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #t #t #t #t #t #t #t #t #t #t #t #t #t #f #t #f #f #f #f #f #f #f #f #f #f #f #t #t #t #f #t #t #t #t #t #t #t #f #f #f #f #f #f #t #t #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #t #t #t #t #t #t #f #t #t #t #t #f #t #t #t #f #t #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #t #t #t #t #f #t #t #t #t #t #f #t #t #t #t #t #t #f #t #t #t #f #t #t #t #t #f #t #t #t #t #t #f #t #t #t #f #t #f #t #t #t #t #t #f #t #t #t #t #t #f #t #f #t #t #t #t #t #t #t #f #t #t #t #f #t #t #f #t #f #t #t #f #t #f #f #f #t #t #f #t #t #t #t #t #t #t #t #t #f #t #f #f #f #f #f #f #f #f #f #f #f #f #f #f #t #f #t #t #f #t #t #t #t #t #t #t #t #t #t #t #t #f #t #f #t #t #t #t #f #t #t #t #t #f #t #t #t #t #t #t #t #t #t #t #t #f #t #t #t #t #t #f #t #t #t #t #t #t #f #t #t #t #t #t #t #t #t #t #t #t #f #t #t #t #t #t #t #t #t #t #t #t #t #f #f #f #f #f #f #f #f #f #t #t #t #t #t #t #t #t #f #t #t #t #f #t #t #t #t #f #t #f #t #t #f #t #t #t #t #t #t #t #t #t #t #t #f #t #t #t #f #f #f #t #t #f #t #t #t #t #t #t #t #t #t #t #f #t #f #t #t #t #t #t #t #t #t #t #t #f #t #t #t #t #t #t #f #t #t #t #t #t #t #t #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #t #t #f #t #t #t #t #f #t #t #t #t #t #t #t #f #f #f #t #f #t #t #t #t #t #t #t #t #t #t #f #t #t #t #f #f #f #f #f #f #f #f #f #f #f #f #f #t #t #t #t #t #f #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #f #t #t #t #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #t #t #t #t #t #f #t #f #t #t #t #t #t #f #t #t #t #t #t #f #t #t #t #t #t #t #t #t #t #t #t #f #t #f #f #f #f #f #f #f #f #f #f #f #t #t #t #t #f #t #f #f #f #t #f #f #f #f #t #t #t #t #t #t #f #f #f #f #f #t #f #f #f #f #f #f #f #f #f #f #f #f #t #t #t #t #t #t #f #t #t #t #t #t #t #t #t #t #t #t #t #t #t #f #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #f #t #t #t #t #t #t #t #t #t #t #t #t #t #f #t #t #f #t #t #t #t #t #f #t #t #t #t #f #t #t #t #t #t #t #t #t #t #f #t #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #t #t #f #t #t #t #t #t #t #t #t #f #t #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #t #t #t #t #t #f #t #f #t #f #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #f #t #t #t #t #f #f #f #f #f #f #f #t #t #t #t #t #t #t #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #t #t #f #t #f #t #f #t #t #t #t #t #t #t #t #t #f #t #t #t #f #t #t #t #t #t #t #f #t #t #t #t #t #t #t #t #f #t #f #t #t #t #t #t #t #f #t #t #t #f #f #t #t #t #t #f #f #f #f #f #f #t #t #t #t #t #t #t #t #t #t #t #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #t #t #t #t #t #t #t #t #t #f #t #f #t #t #t #t #t #t #t #t #t #t #t #t #f #t #f #t #t #f #t #t #t #t #t #t #t #t #t #t #t #t #t #t #f #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #f #t #t #t #t #f #t #t #t #t #t #f #t #f #t #t #t #t #f #t #t #t #t #t #t #t #t #t #f #t #t #t #f #t #t #t #t #f #t #t #t #f #t #f #t #t #t #t #t #t #t #f #t #t #t #t #f #t #t #t #t #t #t #f #t #t #t #t #f #t #t #t #t #t #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #t #t #t #t #t #t #f #t #t #t #t #t #t #t #t #t #f #f #t #f #t #f #t #t #f #t #t #t #t #t #t #t #t #t #t #t #t #f #t #t #f #t #t #f #t #f #t #t #t #t #t #t #f #t #t #t #t #t #t #t #t #f #t #t #f #t #t #t #f #t #t #t #t #t #t #f #t #f #t #f #t #f #t #t #f #t #t #t #t #t #t #t #t #t #t #t #f #t #f #t #t #t #t #t #t #t #t #t #t #t #t #t #t #f #t #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #t #t #t #t #t #t #t #t #t #t #t #t #t #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #t #t #f #t #t #f #t #t #t #t #t #t #t #f #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #f #f #f #f #f #t #t #f #t #t #t #t #f #t #t #t #t #t #t #t #f #t #t #t #t #f #t #t #t #f #t #t #t #t #t #f #t #t #f #t #t #t #t #t #t #t #t #t #t #f #f #f #f #f #f #f #f #f #f #f #f #f #t #t #t #t #f #t #t #t #t #f #t #f #t #t #t #f #t #f #t #t #t #t #t #t #t #t #f #t #t #t #t #f #t #t #t #t #t #t #t #t #f #t #f #f #f #f #f #f #f #f #f #f #t #t #f #t #t #t #t #t #f #t #t #t #t #t #f #t #f #t #t #t #t #t #t #t #t #t #t #t #t #t #t #f #t #f #t #t #t #t #t #t #t #t #t #t #t #t #f #t #t #f #t #f #t #t #t #t #t #f #t #t #t #f #t #t #t #f #t #t #t #t #t #f #t #t #t #t #t #f #t #t #f #t #t #t #t #t #t #f #t #f #t #t #t #t #t #f #t #t #t #f #t #f #t #f #t #t #t #t #t #t #t #t #t #t #f #t #t #f #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #f #f #f #f #f #f #f #f #f #f #f #t #t #t #t #t #t #t #t #t #t #f #t #f #t #f #t #t #t #t #t #f #t #t #f #t #f #t #f #f #f #f #f #f #f #f #t #t #t #t #t #t #f #t #t #t #t #t #t #t #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #t #t #t #t #t #t #t #t #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #t #t #t #t #t #t #t #t #t #t #t #t #t #t #f #t #f #t #t #t #t #t #f #t #t #t #t #t #t #f #f #f #f #t #t #t #t #f #t #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #t #f #t #t #t #t #t #t #t #t #f #t #f #t #t #t #t #t #f #f #t #t #t #t #f #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #f #f #f #t #t #f #f #f #f #f #f #t #f #f #t #t #t #t #t #t #t #t #t #t #f #f #f #f #f #f #f #f #f #f #f #t #f #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #f #t #t #t #t #t #t #t #f #t #t #t #t #t #t #t #t #t #t #t #t #f #t #f #t #t #t #f #t #t #t #t #t #t #t #t #f #t #t #t #t #t #f #t #t #t #t #t #t #t #t #t #t #f #t #t #t #t #f #f #f #f #f #f #f #f #f #f #f #t #t #t #f #t #t #t #t #t #t #t #t #t #t #t #t #t #f #f #f #f #f #f #f #f #t #f #t #t #t #t #t #t #f #t #f #t #t #t #f #t #t #t #t #f #t #f #t #t #t #t #f #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #f #t #t #t #t #t #t #t #t #t #f #t #f #t #t #t #f #t #t #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #t #t #t #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #t #t #f #t #t #f #t #f #t #t #t #t #t #t #t #f #t #t #f #t #f #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #f #t #t #t #t #t #t #t #t #t #t #t #t #t #t #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #t #t #t #t #t #t #t #f #t #t #t #t #t #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #t #t #f #f #t #f #t #t #f #t #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #t #f #t #f #t #t #t #f #f #f #t #t #t #t #f #t #t #f #t #t #t #t #t #t #f #t #t #t #t #t #f #t #t #f #t #f #t #f #t #t #t #t #t #t #t #t #t #t #f #t #t #f #t #f #t #t #t #t #t #f #t #f #t #t #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #f #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t #t)))))
| false |
7a1727f3a038ff88dcf9a0499a5d2665d0309eb5
|
c4b299ef8a2c5e063d22b40cda341b6109dcd531
|
/modules/tree-strings.scm
|
a71c94fe5d961dbcda3a6a72f5299ae4d3ced93a
|
[
"WTFPL"
] |
permissive
|
edw/magic
|
ec2fe3e6f2abd516e1da212512c5ff71b0295f56
|
c1f822b1ee00247d9b5c170d44ab994213a5897a
|
refs/heads/master
| 2021-01-16T17:47:38.841220 | 2011-05-09T20:57:59 | 2011-05-09T20:57:59 | 1,721,049 | 2 | 0 | null | null | null | null |
UTF-8
|
Scheme
| false | false | 894 |
scm
|
tree-strings.scm
|
(define (string-copy! s i t) ; copy all of t into s at location i
(let ((end (+ i (string-length t))))
(let iter ((i i) (j 0))
(cond ((= i end) (if #f #t))
(else
(string-set! s i (string-ref t j))
(iter (+ i 1) (+ j 1)))))))
(define (tree-string-length tree)
(tree-string-walk tree (lambda (atom i) (if #f #t))))
(define (tree-string->string tree)
(let ((s (make-string (tree-string-length tree))))
(tree-string-walk tree (lambda (atom i) (string-copy! s i atom)))
s))
(define (tree-string-walk tree proc)
(let iter ((tree tree) (sum 0))
(cond ((null? tree) sum)
((null? (car tree)) (iter (cdr tree) sum))
((pair? (car tree))
(iter (cdr tree) (iter (car tree) sum)))
(else
(proc (car tree) sum)
(iter (cdr tree) (+ sum (string-length (car tree))))))))
| false |
df5668eb820f4ba137cc66a2d68f18be191c90b8
|
6b9c4cb24f7d309f99b112776586987fc6fb381b
|
/src/sip-name-list.scm
|
81a5930a31e58f5996c858c8acac312347c61687
|
[
"MIT"
] |
permissive
|
alxbnct/silver-paren
|
6af5262335f0b36c9683f898cd311013818f1a29
|
db239d810a6b125dcdd49c0b6d6c99e57c8dd105
|
refs/heads/master
| 2023-03-18T09:41:28.611825 | 2020-01-19T14:55:26 | 2020-01-19T14:55:38 | null | 0 | 0 | null | null | null | null |
UTF-8
|
Scheme
| false | false | 3,210 |
scm
|
sip-name-list.scm
|
(include "./sip-error.scm")
(define-library (silver-paren name-list)
(import
(scheme base)
(scheme write)
(scheme cxr)
(only (srfi 1) fold);scheme list
(silver-paren error)
)
(export silver-paren-name-list-valid-name-list?
silver-paren-name-list-name
silver-paren-name-list-generate-name-list-list-from-option
)
(begin
;example (SOFTNAME VERSION? OPT? ...)
(define (aux-name-list?-valid-name-list-option? option)
(and
(list? option)
(symbol? (car option))
(or
(and
(eq? (car option) 'version)
(not (null? (cdr option)))
(string? (cadr option)))
(eq? (car option) 'features)
(eq? (car option) 'edition))))
(define (silver-paren-name-list-valid-name-list? name-list)
(cond
((null? name-list) #f)
((and (list? name-list)
(string? (car name-list)))
(or
(null? (cdr name-list));NAME ONLY
(and
(fold
(lambda (option prev-result)
(if prev-result
(aux-name-list?-valid-name-list-option?
option)
#f))
#t
(cdr name-list)))))
(else
#f)))
(define (silver-paren-name-list-name name-list)
(car name-list))
(define (%edition-delimiter? object edition-delimiter)
(and
(eq? object edition-delimiter )))
(define (silver-paren-name-list-generate-name-list-list-from-option
option edition-delimiter)
(let loop ((current-package-name '())
(current-package-modifications '())
(option option)
(res '()))
(cond
((and (null? option) (null? current-package-name)) (reverse res))
((null? option)
(reverse
(cons
(cons current-package-name
current-package-modifications)
res)))
((equal? (car option) edition-delimiter)
(when (null? (cdr option))
(silver-paren-error
(string-append
"Edition delimiter "
(symbol->string edition-delimiter)
"requires argument.")))
(loop
current-package-name
(cons
(list
'edition
(cadr option))
current-package-modifications)
(cddr option)
res))
((null? current-package-name)
(loop
(car option)
'()
(cdr option)
res))
(else
(loop
(car option)
'()
(cdr option)
(cons
(cons
current-package-name
current-package-modifications)
res))))))
))
| false |
f0afe7150ab753d46de57beb3f6d3297f7f29a94
|
8f0ceb57d807ba1c92846ae899736b0418003e4f
|
/INF2810/Assignment1a/Test-exercise/1a.scm
|
3abb42cbded916a021b2c1558758eb59423cb2cc
|
[] |
no_license
|
hovdis/UiO
|
4549053188302af5202c8294a89124adb4eb981b
|
dcaa236314d5b0022e6be7c2cd0b48e88016475a
|
refs/heads/master
| 2020-09-16T04:04:22.283098 | 2020-02-26T08:21:21 | 2020-02-26T08:21:21 | 223,645,789 | 0 | 0 | null | null | null | null |
UTF-8
|
Scheme
| false | false | 499 |
scm
|
1a.scm
|
; ; Assignment 1a
; ; Exercise 1
(* (+ 2 2) 5)
; ; Output: 20
; ; Reason: 5 * (2 + 2) = 5 * 4 = 20
(* (+ 2 2) (5))
; ; Error
; ; Reason: (5) is not a procedure
(* (2 + 2) 5)
; ; Error
; ; Reason: (2 + 2) should be (+ 2 2). The first '2' is not a procedure
(define bar (/ 4 2))
bar
; ; Output: 2
; ; Reason: bar is defined as 4/2 = 2
(- bar 2)
; ; Output: 0
; ; Reason: bar - 2 = 2 - 2 = 0
(/ (* bar 3 4 1) bar)
; ; Output: 12
; ; Reason: (bar * 3 * 4 * 1) / bar = (2 * 3 * 4 * 1) / 2 = 3 * 4 = 12
| false |
04802bda1a671a189e06d4eef32f88e240175c83
|
38fcd70df648a497ee1271fcdbd30e391fb310e5
|
/prolog1.2/prolog1.2/Interval/precision.ss
|
595c28c4677efb5b6df69b00bf258469430b934b
|
[] |
no_license
|
liutanyu/Useful
|
e9b3d3699dffa21bb1425dddff7d150ab7d7aee7
|
11a123126833e577a76ce32c22d8563c0f2bbd7d
|
refs/heads/master
| 2021-01-19T11:34:24.259506 | 2013-07-17T04:13:22 | 2013-07-17T04:13:22 | null | 0 | 0 | null | null | null | null |
UTF-8
|
Scheme
| false | false | 2,004 |
ss
|
precision.ss
|
;;; functions
(define (real x) x)
;;; (exact->inexact ...) required?
(define (approx const) ;;; const is an integer/real constant
;;; of "infinite" precision
(mk-interval LB-CLOSED (real const) (real const) UB-CLOSED))
;;; bring down the precision??##
(define (hack x)
;;; x is an internal real
(cond ((isinf? x) INFMAX)
((is-inf? x) -INFMAX)
(else x)))
(define (avg x y)
;;; x, y are internal reals
(let ((x~ (hack x))
(y~ (hack y)))
(/_ (+_ x~ y~) TWO)))
;;; low-level primitives
(define (<_ x y)
;;; EXACT <
;;; x, y are internal reals
(cond ((equal? x y) #f)
((or (is-inf? x) (isinf? y)) #t)
((or (isinf? x) (is-inf? y)) #f)
(else (< x y))))
(define (=_ x y)
;;; EXACT =
;;; x, y are internal reals
(cond ((equal? x y) #t)
((or (isinf? x) (isinf? y) (is-inf? x) (is-inf? y))
#f)
(else (= x y))))
(define (~<_ x y) (<_ x y))
;;; INEXACT <
;;; x, y are non-infinite reals
(define (~_a x y prec)
;;; INEXACT = (absolute)
;;; x, y are non-infinite reals
;;; prec is a real >= 0
(and (<= (-_ x y) prec)
(<= (-_ y x) prec)))
(define (~_r x y prec)
;;; INEXACT = (relative)
;;; x, y are non-infinite reals
(let ((prec+ (+ 1 prec)) (prec- (- 1 prec)))
(and (<= x (*_ y (if (<_ y ZERO) prec- prec+)))
(<= y (*_ x (if (<_ x ZERO) prec- prec+))))))
(define (~_m x y)
;;; INEXACT = (machine relative)
;;; x, y are non-infinite reals
(and (<= x (*_ y (if (<_ y ZERO) FUZZ- FUZZ+)))
(<= y (*_ x (if (<_ x ZERO) FUZZ- FUZZ+)))))
;;; constants
(define INFMAX (real 999999999999.999))
(define -INFMAX (real (- 0.0 999999999999.999)))
(define (find-fuzz e)
(let* ((x 1.0) (epsilon (/ e 2.0)) (y (* x (+ 1.0 epsilon))))
(if (equal? x y) e (find-fuzz epsilon))))
(define FUZZ (find-fuzz 1.0)) ;;; addend for fuzzing intervals
(define FUZZ+ (+ 1.0 FUZZ)) ;;; multiplier for fuzzing intervals
(define FUZZ- (- 1.0 FUZZ)) ;;; multiplier for fuzzing intervals
| false |
43f0823a70668ff5aaedf5db220cf53b78da2d63
|
a2d8b4843847507b02085bb8adabd818f57dd09f
|
/scheme/sicp/ch_2/tst-interval.scm
|
aead1df29b4f9c5033b0d0110c4c53b8db05c349
|
[] |
no_license
|
tcharding/self_learning
|
df911b018fc86bd5f918394b79d2456bf51f35a8
|
f6bb5c6f74092177aa1b71da2ce87ca1bfc5ef3c
|
refs/heads/master
| 2022-05-13T05:09:32.284093 | 2022-05-02T08:25:18 | 2022-05-02T08:25:18 | 41,029,057 | 13 | 2 | null | null | null | null |
UTF-8
|
Scheme
| false | false | 2,748 |
scm
|
tst-interval.scm
|
;;;; Test suite for interval.scm
(load "../test-framework.scm")
(load "interval.scm")
; initial test of constructor
(define i (make-interval 1 2))
#!
; should cause assertion-violation
(define j (make-interval 3 1))
!#
(define (test-cons-sel)
(define (test-basic x y)
"test constructor and selectors"
(let ((tobj (make-interval x y)))
(test-eq "lower-bound" (lower-bound tobj) x)
(test-eq "upper-bound" (upper-bound tobj) y)))
(let ((raw-data '((1 2) (3 6) (10 1000))))
(for-each (lambda (ls)
(test-basic (first ls) (second ls)))
raw-data)))
(define (test-check-no-span-zero)
(begin
(unless (span-zero? (make-interval -1 1))
(fail "span-zero? failed" #f #t))
(when (span-zero? (make-interval 1 1))
(fail "span-zero? failed" #t #f))
(check-no-span-zero (make-interval 1 1))))
(define (test-mul-optimised-interval)
(define (test-mul x y)
(let ((mi (mul-interval x y)) (mo (mul-optimised-interval x y)))
(unless (eq-interval mi mo)
(fail "mul-optimised not equal to mul-interval" mo mi))))
(let ((raw-data '((-2 2) (2 3) (-3 -2))))
(for-each (lambda (ls)
(test-mul (interval-from-list ls)
(interval-from-list (car raw-data)))
(test-mul (interval-from-list ls)
(interval-from-list (cadr raw-data)))
(test-mul (interval-from-list ls)
(interval-from-list (caddr raw-data))))
raw-data)))
(define (interval-from-list ls)
(make-interval (first ls) (second ls)))
(define (test-constructors)
(define (check-equal x y)
(when (not (eq-interval x y))
(av 'check-equal "intervals not equal" x y)))
(let ((i1 (make-interval 5.4 6.6))
(i2 (make-center-percent 6 10))
(i3 (make-center-percent 6 0.10))
(i4 (make-center-width 6 0.6)))
(check-equal i1 i2)
(check-equal i1 i3)
(check-equal i1 i4)))
(define (par1 r1 r2)
(div-interval (mul-interval r1 r2)
(add-interval r1 r2)))
(define (par2 r1 r2)
(let ((one (make-interval 1 1)))
(div-interval one
(add-interval (div-interval one r1)
(div-interval one r2)))))
(define (test-par)
"par1 and par2 should give the same answer"
(let ((i1 (make-center-percent 6 0.01))
(i2 (make-center-percent 4 0.02)))
(unless (eq-interval (par1 i1 i2) (par2 i1 i2))
(av 'test-par
"par1 and par2 give differing results"
(par1 i1 i2)
(par2 i1 i2)))))
;;;;
;;;; Run tests
;;;;
(test-cons-sel)
(test-check-no-span-zero)
(test-mul-optimised-interval)
(test-constructors)
(test-par)
| false |
b4797889fd69f27912fe4254bc976e58e371e36d
|
923adf4b9bde639a420f8d0c1ddaa891f4e95e85
|
/fastcgi/lib/request.sld
|
09d0112fff432b65f0a835da4ee21c082ce45c69
|
[] |
no_license
|
justinethier/justinethier-misc
|
5f8dc497a6917f39e61b6eb2a5b1c5d0bfccf545
|
a4bc7894bb286773078b2d7052ee00e29462a9a0
|
refs/heads/master
| 2023-04-29T13:27:02.090840 | 2023-04-17T00:27:12 | 2023-04-17T00:27:12 | 2,954,612 | 1 | 1 | null | null | null | null |
UTF-8
|
Scheme
| false | false | 853 |
sld
|
request.sld
|
(define-library (lib request)
(import
(scheme base)
(scheme cyclone util)
(srfi 18)
(lib fcgi)
)
(export
method
body
content-type
)
(begin
(define (req-obj)
(thread-specific (current-thread)))
;; method :: string
;; Get the HTTP request method for the current request
(define (method)
(let ((req (req-obj)))
(fcgx:get-param req "REQUEST_METHOD" "GET")))
(define (content-type)
(let ((req (req-obj)))
(fcgx:get-param req "CONTENT_TYPE" "GET")))
;; params :: [string]
;; Get parameters for the current request
(define (body)
(let* ((req (req-obj))
(len-str (fcgx:get-param req "CONTENT_LENGTH" "0"))
(len (string->number len-str))
(len-num (if len len 0)))
(fcgx:get-string req len-num)))
))
| false |
ab8aa03c1329c88463ff314610a1e2ca5cc99224
|
de21ee2b90a109c443485ed2e25f84daf4327af3
|
/exercise/section4/4.10.scm
|
e900ca24ee00375b0e2e2bd379975f9900fdccc1
|
[] |
no_license
|
s-tajima/SICP
|
ab82518bdc0551bb4c99447ecd9551f8d3a2ea1d
|
9ceff8757269adab850d01f238225d871748d5dc
|
refs/heads/master
| 2020-12-18T08:56:31.032661 | 2016-11-10T11:37:52 | 2016-11-10T11:37:52 | 18,719,524 | 0 | 0 | null | null | null | null |
UTF-8
|
Scheme
| false | false | 1,054 |
scm
|
4.10.scm
|
;= Question =============================================================================
;
; 問題 4.10
;
; データ抽象を使うと, 評価される言語の特定の構文と独立なeval手続きを書くことが出来る.
; これを示すため, evalとapplyを変えずに, 本節の手続きを修正し,
; Schemeの新しい構文を設計し, 実装せよ.
;
;= Prepared =============================================================================
(load "./eval.scm")
;= Answer ===============================================================================
(define (while->derived exp)
(define (while-condition exp) (cddr exp))
(define (while-body exp) (cadr exp))
(make-begin
(list
; 1. define our loop
(make-define '(loop)
(list
(make-if (while-condition exp)
(make-begin
(list
(make-begin (while-body exp))
'(loop))) ; recursively call our loop
"done")))
; 2. enter our loop
'(loop))))
(evaluator)
| false |
898216d0a94bfcda28dcfc91f9bc345dbc5f9959
|
bdeb8973603dd2ce97faaf59164f45fd322234c8
|
/exercise-4-3-stream-append-merge.scm
|
64579b5d9cd3a6209d0ddd40bb73805d81e7dd3e
|
[] |
no_license
|
emilbaekdahl/pp-exercises
|
782e080c5ab0a96210cec765699f0071a4ab558b
|
ce9e93d03357f2aec46f648b33d18205529f775d
|
refs/heads/master
| 2020-07-28T00:50:05.001308 | 2019-11-13T21:44:15 | 2019-11-13T21:46:00 | 209,260,169 | 0 | 0 | null | null | null | null |
UTF-8
|
Scheme
| false | false | 827 |
scm
|
exercise-4-3-stream-append-merge.scm
|
; Exercise: Stream appending and stream merging
(define-syntax cons-stream
(syntax-rules ()
((cons-stream x y)
(cons x (delay y)))))
(define head car)
(define (tail stream) (force (cdr stream)))
(define empty-stream? null?)
(define the-empty-stream '())
(define (stream-section n stream)
(cond ((= n 0) '())
(else (cons (head stream)
(stream-section (- n 1)
(tail stream))))))
(define (stream-append s t)
(if (empty-stream? s)
t
(cons-stream (head s)
(stream-append (tail s)
t))))
(define (stream-merge s t)
(cons-stream (head s)
(cons-stream (head t)
(stream-merge (tail s)
(tail t)))))
| true |
60b901f634bf451e3f406e4c6ee941ed1583d2d9
|
557c51d080c302a65e6ef37beae7d9b2262d7f53
|
/workspace/comp-tester/tests/test14.ss
|
82e71bb9e90956d9ffc9300a2191f4ce3acb9a17
|
[] |
no_license
|
esaliya/SchemeStack
|
286a18a39d589773d33e628f81a23bcdd0fc667b
|
dcfa1bbfa63b928a7ea3fc244f305369763678ad
|
refs/heads/master
| 2020-12-24T16:24:08.591437 | 2016-03-08T15:30:37 | 2016-03-08T15:30:37 | 28,023,003 | 3 | 4 | null | null | null | null |
UTF-8
|
Scheme
| false | false | 300 |
ss
|
test14.ss
|
;;-----------------------
;; Saliya Ekanayake
;; sekanaya
;; Test13
;;-----------------------
; Tests mutation with pair and variable
(let ([x.1 '(9)][x.2 7])
(let ([y.3 x.1] [y.4 x.2])
(begin
(set-car! x.1 x.2)
(set! x.2 8)
(cons x.1 (cons x.2 (cons y.3 (cons y.4 '())))))))
| false |
7c2eb3ad5e435840b85596243f3fc875b61633c7
|
ab2b756cdeb5aa94b8586eeb8dd5948b7f0bba27
|
/src/lisp/tests/filter_test.scm
|
074202f258616465061720e08c8f196ef7f97363
|
[] |
no_license
|
stjordanis/chalang
|
48ff69d8bc31da1696eae043e66c628f41035b5a
|
a728e6bb9a60ac6eca189ee7d6873a891825fa9a
|
refs/heads/master
| 2021-07-31T22:26:45.299432 | 2021-03-09T13:06:56 | 2021-03-09T13:06:56 | 142,876,387 | 0 | 0 | null | 2018-07-30T13:03:00 | 2018-07-30T13:03:00 | null |
UTF-8
|
Scheme
| false | false | 176 |
scm
|
filter_test.scm
|
(import (core/filter.scm core/tree.scm))
(define even (X) (= 0 (rem X 2)))
(macro test ()
(filter
(@ even)
(tree (2 3 4 5))))
(= (test) (tree (2 4)))
| false |
95cbcc4b190ba138e50fe38b4edf57f9fd006b13
|
4b570eebce894b4373cba292f09883932834e543
|
/ch2/2.38.scm
|
2c2911b6aa190898298522d9c73783a7ea286c9b
|
[] |
no_license
|
Pulkit12083/sicp
|
ffabc406c66019e5305ad701fbc022509319e4b1
|
8ea6c57d2b0be947026dd01513ded25991e5c94f
|
refs/heads/master
| 2021-06-17T13:44:06.381879 | 2021-05-14T16:52:30 | 2021-05-14T16:52:30 | 197,695,022 | 0 | 0 | null | 2021-04-14T17:04:01 | 2019-07-19T03:25:41 |
Scheme
|
UTF-8
|
Scheme
| false | false | 526 |
scm
|
2.38.scm
|
(define (fold-left op initial sequence)
(define (iter result rest)
(if (null? rest)
result
(iter (op result (car rest))
(cdr rest))))
(iter initial sequence))
;;What are the values of
(fold-right / 1 (list 1 2 3)) ; 3/2
(fold-left / 1 (list 1 2 3)) ; 1/6
(fold-right list nil (list 1 2 3)) ; (1 (2 (3 ())))
(fold-left list nil (list 1 2 3)) ; (((() 1) 2) 3)
;; property of op for fold-left/right to yield same result:
;; (= (op a b) (op b a))
;; (= (op (op a b) c) (op a (op b c)))
| false |
83d601e98c2be20917605d39eb10816e079c663d
|
b63601b5d27a014d9258eb736eefa6b17c4ecc31
|
/s03-to-c/withgc/examples/ofib.scm
|
1c45f7b67443157bdb498addf7b303309dc74c1d
|
[] |
no_license
|
hitokey/wasCm
|
953d3c9e6a768b940cac0b765e0c2177fe2d0646
|
32c7f0f25964200441f52852763ce31f725ef2e7
|
refs/heads/master
| 2023-08-17T00:56:06.969797 | 2021-02-10T02:20:43 | 2021-02-10T02:20:43 | 266,668,959 | 1 | 0 | null | 2020-06-23T22:28:59 | 2020-05-25T02:53:02 |
TeX
|
UTF-8
|
Scheme
| false | false | 244 |
scm
|
ofib.scm
|
;; Test recursivity
(letrec
[(fib (lambda(n)
(cond [ (<fx n 2) 1]
[(<fx n 3) n]
[else (+fx (fib (-fx n 3))
(fib (-fx n 2))
(fib (-fx n 2))) ])) )]
(display (fib 35)))
| false |
6dc39a90904ebf39300fd4f71844fa0b804443b3
|
4e2bb57118132e64e450671470c132205457d937
|
/programs/tls-client
|
b62ca57ae7a3150565dca0e535306ba53a4f4e33
|
[
"MIT"
] |
permissive
|
theschemer/industria
|
8c4d01d018c885c0437e2575787ec987d800514f
|
9c9e8c2b44280d3b6bda72154a5b48461aa2aba5
|
refs/heads/master
| 2021-08-31T23:32:29.440167 | 2017-12-01T23:24:01 | 2017-12-01T23:24:01 | null | 0 | 0 | null | null | null | null |
UTF-8
|
Scheme
| false | false | 2,220 |
tls-client
|
#!/usr/bin/env scheme-script
;; -*- mode: scheme; coding: utf-8 -*- !#
;; Copyright © 2009, 2010 Göran Weinholt <[email protected]>
;; Permission is hereby granted, free of charge, to any person obtaining a
;; copy of this software and associated documentation files (the "Software"),
;; to deal in the Software without restriction, including without limitation
;; the rights to use, copy, modify, merge, publish, distribute, sublicense,
;; and/or sell copies of the Software, and to permit persons to whom the
;; Software is furnished to do so, subject to the following conditions:
;; The above copyright notice and this permission notice shall be included in
;; all copies or substantial portions of the Software.
;; THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
;; IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
;; FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
;; THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
;; LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
;; FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
;; DEALINGS IN THE SOFTWARE.
#!r6rs
(import (prefix (weinholt crypto x509) x509:)
(weinholt net tls)
(weinholt net tls simple)
(rnrs))
(define (print . x) (for-each display x) (newline))
(let-values (((in out conn)
(tls-connect (cadr (command-line))
(caddr (command-line)))))
(print "Server certificate validation: "
(x509:validate-certificate-path (tls-conn-remote-certs conn)
(cadr (command-line))))
(print "Sending GET request.")
(put-bytevector out (string->utf8
(string-append "GET / HTTP/1.1\r\n"
"Host: " (cadr (command-line)) ":" (caddr (command-line)) "\r\n"
"Connection: close\r\n"
"\r\n\r\n")))
(flush-output-port out)
(let lp ()
(unless (port-eof? in)
(display (utf8->string (get-bytevector-n in 128)))
(lp)))
(close-port in)
(close-port out))
| false |
|
a3b6da6e995de579cf1a1ae15400bd2b9ba9e44b
|
eef5f68873f7d5658c7c500846ce7752a6f45f69
|
/spheres/markup/internal/id/id.scm
|
c5ee856a5db115828fe30cd6119de718a6a316d0
|
[
"MIT"
] |
permissive
|
alvatar/spheres
|
c0601a157ddce270c06b7b58473b20b7417a08d9
|
568836f234a469ef70c69f4a2d9b56d41c3fc5bd
|
refs/heads/master
| 2021-06-01T15:59:32.277602 | 2021-03-18T21:21:43 | 2021-03-18T21:21:43 | 25,094,121 | 13 | 3 | null | null | null | null |
UTF-8
|
Scheme
| false | false | 20,855 |
scm
|
id.scm
|
;;!!! Creation and manipulation of the ID-index
;; Provides the DTD parser for extracting ID attribute declarations
;;
;; This software is in Public Domain.
;; IT IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND.
;;
;; Please send bug reports and comments to:
;; [email protected] Dmitry Lizorkin
;;
;; ID-index provides fast access to XML elements by their unique ID.
;; ID-index has the following structure:
;; id-index = ( (id . element) (id . element) ... )
;; i.e.
;; id-index = (list
;; (cons id element)
;; (cons id element)
;; ...)
;; where
;; id - (a string) element's unique ID
;; element - an SXML presentation of an element
;;
;; Creation of an id-index generally consists of two steps.
;; On the first step, a document declaration (internal and external DTD)
;; is read and information of ID attributes is extracted.
;; This is presented in a following form:
;; id-attrs = ( (elem-name attr-name attr-name attr-name ...)
;; (elem-name attr-name attr-name attr-name ...) ... )
;; i.e.
;; id-attrs = (list
;; (cons
;; elem-name
;; (list attr-name attr-name attr-name ...)
;; (cons
;; elem-name
;; (list attr-name attr-name attr-name ...)
;; ...)
;; where
;; elem-name - (a symbol) a name of the element
;; attr-name - (a symbol) element's attribute having an ID type
;;
;; On the second step, if an SXML presentation of the document is available,
;; 'id-attrs' are used for forming an 'id-index'.
;; If there is no SXML presentation for a document yet, both steps are
;; performed as a single function call - to a specialized SSAX parser.
;; This parser constructs an SXML presentation and an 'id-index'
;; in a single pass
;;
;; ATTENTION:
;; 1. Only non-qualified 'elem-name' and 'attr-name' are correctly supported
;; 2. Parameter entity reference (PEReference) is NOT supported
;;-------------------------------------------------------------------------------
;;!! Functions which read XML document declaration
;; Trivial functions that ignore symbols
;;! Function reads a whitespace (S production)
(define (id:process-s port)
(let ((symb (peek-char port)))
(cond((eof-object? symb) symb)
((char=? symb #\space) (read-char port)
(id:process-s port))
((char=? symb #\return) (read-char port)
(id:process-s port))
((char=? symb #\newline)(read-char port)
(id:process-s port))
((char=? symb #\tab)(read-char port)
(id:process-s port))
(else symb))))
;;! Ignores all symbols until template-symbol
(define (id:ignore-until templ-sym port)
(let loop ((symb (peek-char port)))
(cond((eof-object? symb) symb)
((equal? symb templ-sym) (read-char port)
symb)
(else (read-char port)
(loop (peek-char port))))))
;;-------------------------------------------------------------------------------
;;!! These functions perform reading from a file
;;! Read N symbols from a port
(define (id:read-n num port)
(id:process-s port)
(let loop ((num num) (res '()))
(if(= num 0)
(list->string (reverse res))
(let((symb (peek-char port)))
(cond((eof-object? symb) symb)
(else (read-char port)
(loop (- num 1) (cons symb res))))))))
;;! This function reads a name - a sequence of characters ending with
;; a whitespace or '<'. '>', '(', ')', '[', ']', '|'
(define (id:read-name port)
(id:process-s port)
(let loop ((res ""))
(let ((symb (peek-char port)))
(cond((eof-object? symb) res)
((member symb '(#\space #\tab #\return #\newline
#\< #\> #\( #\) #\[ #\] #\|))
res)
(else (loop (string-append res (string (read-char port)))))))))
;;! This function reads a literal
;; literal ::= ('"' [^"]* '"') | ("'" [^']* "'")
;; A string is returned
(define (id:process-literal port)
(id:process-s port)
(let((quot (peek-char port)))
(if(eof-object? quot) ; an incorrect situaltion
""
(let((quot (if (char=? (read-char port) #\") #\" #\')))
(let loop ((res '()))
(let((symb (peek-char port)))
(cond
((eof-object? symb) (list->string (reverse res)))
((char=? symb quot) ; end of the string
(read-char port)
(list->string (reverse res)))
(else
(read-char port)
(loop (cons symb res))))))))))
;;-------------------------------------------------------------------------------
;;!! Miscellaneous
;;! Converts a string into small letters
(define (id:to-small str)
(let loop ((arg (string->list str)) (res '()))
(cond((null? arg) (list->string (reverse res)))
((char-upper-case? (car arg))
(loop (cdr arg) (cons (char-downcase (car arg)) res)))
(else (loop (cdr arg) (cons (car arg) res))))))
;;! Takes an 'id-attrs' which can contain equal element names
;; Returns a new 'id-attrs' where all element names are unique
(define (id:unite-id-attrs id-attrs)
(let loop ((id-attrs id-attrs)
(new '()))
(if
(null? id-attrs)
new
(let rpt ((elem-name (caar id-attrs))
(atts (cdar id-attrs))
(rest (cdr id-attrs))
(id-attrs '()))
(cond
((null? rest)
(loop id-attrs (cons (cons elem-name atts) new)))
((equal? (caar rest) elem-name)
(rpt elem-name
(append atts (cdar rest))
(cdr rest)
id-attrs))
(else
(rpt elem-name atts (cdr rest) (cons (car rest) id-attrs))))))))
;;-------------------------------------------------------------------------------
;;!! Parsing XML productions concerning document declaration
;; These functions are not intendes for error detection, they assume that
;; the document is correct
;;! This function ignores information related to a PI production [16]
;; [16] PI ::= '<?' PITarget (S (Char* - (Char* '?>' Char*)))? '?>'
;; It looks for an ending '?>' template
(define (id:ignore-PI port)
(id:ignore-until #\? port)
(let ((symb (peek-char port)))
(cond((eof-object? symb) symb)
((equal? symb #\>) (read-char port)
symb)
(else (id:ignore-PI port)))))
;;! This function ignores information related to a Comment production [15]
;; [15] Comment ::= '<!--' ((Char - '-') | ('-' (Char - '-')))* '-->'
;; The starting '<!' has been already processed
;; The function looks for an ending '-->' template
(define (id:ignore-comment port)
(read-char port) ; it is '-'
(read-char port) ; it is '-'
(id:ignore-until #\- port)
(let((sym1 (peek-char port)))
(cond((eof-object? sym1) sym1)
((char=? sym1 #\-) (read-char port)
(let((sym2 (read-char port))) ; must be '>'
sym2))
(else (id:ignore-comment port)))))
;;! This function processes AttType production ([54]-[59] in XML specification)
;; [54] AttType ::= StringType | TokenizedType | EnumeratedType
;; [55] StringType ::= 'CDATA'
;; [56] TokenizedType ::= 'ID' | 'IDREF' | 'IDREFS' | 'ENTITY'
;; | 'ENTITIES' | 'NMTOKEN' | 'NMTOKENS'
;; [57] EnumeratedType ::= NotationType | Enumeration
;; [58] NotationType ::= 'NOTATION' S '(' S? Name (S? '|' S? Name)* S? ')'
;; [59] Enumeration ::= '(' S? Nmtoken (S? '|' S? Nmtoken)* S? ')'
;; The function returnd #t if the attribute has an ID type and #f otherwise
(define (id:AttType-ID? port)
(let((type (id:to-small (id:read-name port))))
(cond((string=? type "id") #t)
((string=? type "notation")
(id:process-s port)
(read-char port) ; it is #\(
(id:ignore-until #\) port)
#f)
((and (string=? type "") (char=? (peek-char port) #\()) ; see [59]
(id:ignore-until #\) port)
#f)
(else #f))))
;;! This function processes DefaultDecl production ([60] in XML specification)
;; [60] DefaultDecl ::= '#REQUIRED'
;; | '#IMPLIED'
;; | (('#FIXED' S)? AttValue)
;; The result is always #t
(define (id:process-DefaultDecl port)
(let((type (id:to-small (id:read-name port))))
(cond((string=? type "#fixed")
(id:read-name port) ; reads a default value
#t)
(else #t))))
;;! This function processes AttDef production ([53] in XML specification)
;; [53] AttDef ::= S Name S AttType S DefaultDecl
;; If an attribute has an ID type, (list attribule-name) is returned
;; (a list of one element). Otherwise, function returns an empty list
(define (id:process-AttDef port)
(let((att-name (string->symbol (id:read-name port))))
(let((bool (id:AttType-ID? port)))
(id:process-DefaultDecl port)
(if bool (list att-name) '()))))
;;! The function processes AttlistDecl production ([52] in XML specification)
;; [52] AttlistDecl ::= '<!ATTLIST' S Name AttDef* S? '>'
;; The starting '<!ATTLIST' has been already processed
;; 'id-attrs' are returned as a result
(define (id:process-AttlistDecl port)
(let((element-name (string->symbol (id:read-name port))))
(let loop ((atts '()))
(id:process-s port)
(cond((char=? (peek-char port) #\>) ; no more attributes will be declared
(read-char port)
(if(null? atts)
'()
(list (cons element-name atts))))
(else
(loop (append (id:process-AttDef port) atts)))))))
;;! This function processes a multiple markupdecl production [29]
;; [29] markupdecl ::= elementdecl | AttlistDecl | EntityDecl
;; | NotationDecl | PI | Comment
;; 'id-attrs' are returned as a result
(define (id:process-markupdecl* port)
(let loop ((id-attrs '()))
(let ((beg (id:read-n 2 port)))
(cond((eof-object? beg) id-attrs) ; the file is over
((string=? beg "]>") id-attrs) ; the end of the markupdecl
((string=? beg "<?") ; processing instruction
(id:ignore-PI port)
(loop id-attrs))
((and (string=? beg "<!") (char=? (peek-char port) #\-)) ; a comment
(id:ignore-comment port)
(loop id-attrs))
((string=? beg "<!") ; AttlistDecl or any other declarations
(let ((name (id:to-small (id:read-name port))))
(cond((string=? name "attlist")
(loop (append (id:process-AttlistDecl port) id-attrs)))
(else
(id:ignore-until #\> port)
(loop id-attrs)))))
(else ; an error condition
(display (string-append "Error in markupdecl production: unexpected " beg "\n")
(current-error-port))
(id:ignore-until #\> port)
id-attrs)))))
;;! This function processes a doctypedecl production ([75] in XML specification)
;; [75] ExternalID ::= 'SYSTEM' S SystemLiteral
;; | 'PUBLIC' S PubidLiteral S SystemLiteral
;; The function ignores a PubidLiteral
;; 'id-attrs' are returned as a result
(define (id:process-ExternalID port)
(let((system-literal
(let((name (id:to-small (id:read-name port))))
(cond
((string=? name "system")
(id:process-literal port))
((string=? name "public")
(id:process-literal port)
(id:process-literal port))
(else #f)))))
(if(not system-literal)
'() ; an incorrect situation
(let((external-port (open-input-resource system-literal)))
(if(not external-port)
'() ; a failure
(let((id-attrs (id:process-markupdecl* external-port)))
(close-input-port external-port)
id-attrs))))))
;;! This function processes a doctypedecl production ([28] in XML specification)
;; [28] doctypedecl ::= '<!DOCTYPE' S Name (S ExternalID)?
;; S? ('[' (markupdecl | DeclSep)* ']' S?)? '>'
;; The function doesn't process a DeclSep (this is a PEReference which
;; this programme doesn't support)
;; The starting '<!DOCTYPE' has been already processed
;; 'id-attrs' are returned as a result
(define (id:process-doctypedecl port)
(let((name (id:read-name port))) ; root element's name
(id:process-s port)
(let((symb (peek-char port)))
(cond
((eof-object? symb) '()) ; an incorrect situation
((char=? symb #\[)
(read-char port)
(id:process-markupdecl* port))
(else
(let((id-attrs (id:process-ExternalID port)))
(id:process-s port)
(let((symb (peek-char port)))
(cond
((eof-object? symb) id-attrs) ; an incorrect situation
((char=? symb #\[)
(read-char port)
(append id-attrs (id:process-markupdecl* port)))
(else ; an incorrect situation
id-attrs)))))))))
;;! This function processes a prolog production ([22] in XML specification)
;; [1] document ::= prolog element Misc*
;; [22] prolog ::= XMLDecl? Misc* (doctypedecl Misc*)?
;; [23] XMLDecl ::= '<?xml' VersionInfo EncodingDecl? SDDecl? S? '?>'
;; [27] Misc ::= Comment | PI | S
;; 'id-attrs' are returned as a result
(define (id:process-prolog port)
(let((beg (id:read-n 2 port)))
(cond((eof-object? beg) '()) ; a file is over - strange...
((string=? beg "<?") ; PI or XMLDecl
(id:ignore-PI port)
(id:process-prolog port))
((and (string=? beg "<!") (char=? (peek-char port) #\-)) ; a comment
(id:ignore-comment port)
(id:process-prolog port))
((string=? beg "<!") ; doctypedecl expected
(let ((name (id:to-small (id:read-name port))))
(cond((string=? name "doctype")
(id:process-doctypedecl port))
(else
(display "doctypedecl production expected\n"
(current-error-port))
'()))))
(else ; element begins, there was no doctypedecl
'()))))
;;-------------------------------------------------------------------------------
;;!! Two-step id-index creation (user level functions)
;; We use this variant when we already have an SXML presentation of the
;; document
;; The first step - creating 'id-attrs'
;;! Read the DTD
;; uri-string - a URI for the DTD location (a string)
;; 'id-attrs' are returned as a result
(define (id:read-external-dtd uri-string)
(let((port (open-input-resource uri-string)))
(if(not port)
'() ; a situation of an error
(let((id-attrs (id:unite-id-attrs (id:process-markupdecl* port))))
(close-input-port port)
id-attrs))))
;;! Read the declaration from the document's prolog.
;; If prolog contains a reference to an external DTD, it is processed either
;; uri-string - a URI for the document location (a string)
;; 'id-attrs' are returned as a result
(define (id:read-document-declaration uri-string)
(let((port (open-input-resource uri-string)))
(if(not port)
'() ; a situation of an error
(let((id-attrs (id:unite-id-attrs (id:process-prolog port))))
(close-input-port port)
id-attrs))))
;;-------------------------------------------------------------------------------
;;!! The second step - creating an 'id-index' using 'id-attrs'
;;! This function forms an 'id-index' and inserts it in the document
;; document - a root node of the document (SXML presentation)
;; id-attrs - the result of the previous step
;; A new SXML document is returned. It contains an auxiliary list with an
;; 'id-index subtree. If the source document already contains such a
;; subtree, it will be replaced. Other subtrees in an auxiliary list will
;; remain unchanged.
(define (SXML->SXML+id document id-attrs)
(define (cons* a1 a2 . rest)
(if (null? rest)
(cons a1 a2)
(cons a1 (apply cons* (cons a2 rest)))))
(let((aux-subtrees
(let((aux ((select-kids (ntype?? '@@)) document)))
(if(null? aux)
'()
(let rpt ((res '())
(to-see (cdar aux)))
(cond
((null? to-see) (reverse res))
((equal? (caar to-see) 'id-index) (rpt res (cdr to-see)))
(else (rpt (cons (car to-see) res)
(cdr to-see)))))))))
(let loop ((nodeset (list document))
(id-index '()))
(if(null? nodeset)
(let ((kids ((select-kids
(lambda (node)
(not (and (pair? node) (equal? (car node) '@@)))))
document)))
(cons* '*TOP*
(cons* '@@
(cons 'id-index id-index)
aux-subtrees)
kids))
(let((cur-node (car nodeset)))
(cond
((not (pair? cur-node)) ; a text node
(loop (cdr nodeset) id-index))
((assoc (car cur-node) id-attrs)
=>
(lambda (lst)
(let((id-values
((select-kids (lambda (x) #t))
((sxml:filter (lambda (x) (member (car x) (cdr lst))))
((select-kids (lambda (x) #t))
((select-kids (ntype?? '@)) cur-node))))))
(loop
(append
((select-kids (ntype?? '*)) (car nodeset))
(cdr nodeset))
(append
id-index
(map
(lambda (x) (cons x cur-node))
id-values))))))
(else
(loop
(append ((select-kids (ntype?? '*)) (car nodeset)) (cdr nodeset))
id-index))))))))
;;-------------------------------------------------------------------------------
;;!! Some stuff for a SSAX multi parser
;; Id-related part of the seed
;; id:seed = (list id-attrs id-index)
;; id-attrs, id-index - see a head comment
;;! Mutator
(define (id:make-seed id-attrs id-index)
(list id-attrs id-index))
;;! Accessors
(define (id:seed-attrs id:seed)
(car id:seed))
(define (id:seed-index id:seed)
(cadr id:seed))
;;-------------------------------------------------------------------------------
;;!! Handler units
;;! This function is called by the NEW-LEVEL-SEED handler
;; A new 'id:seed' is returned
(define (id:new-level-seed-handler id:seed)
id:seed)
;;! This function is called by the FINISH-ELEMENT handler
;; A new 'id:seed' is returned
(define (id:finish-element-handler elem-gi attributes id:seed element)
(cond
((assoc elem-gi (id:seed-attrs id:seed))
=>
(lambda (lst)
(let loop ((atts attributes)
(id-index (id:seed-index id:seed)))
(if
(null? atts)
(id:make-seed (id:seed-attrs id:seed) id-index)
(let((att (car atts)))
(cond
((pair? (car att)) ; namespace aware
(loop (cdr atts) id-index))
((member (car att) (cdr lst))
(loop (cdr atts)
(cons (cons (cdr att) element) id-index)))
(else
(loop (cdr atts) id-index))))))))
(else
id:seed)))
;;! This function is called by the DOCTYPE handler
;; A new 'id:seed' is returned
(define (id:doctype-handler port systemid internal-subset?)
(let((id-attrs
(if
(not systemid)
'() ; systemid not supplied
(let((external-port (open-input-resource systemid)))
(if
(not external-port)
'() ; a failure
(let((id-attrs (id:process-markupdecl* external-port)))
(close-input-port external-port)
id-attrs))))))
(let((id-attrs
(if
internal-subset?
(id:unite-id-attrs
(append id-attrs (id:process-markupdecl* port)))
(id:unite-id-attrs id-attrs))))
(id:make-seed id-attrs '()))))
;;! This function constructs the member of an axuiliary list
(define (id:ending-action id:seed)
(let((id-index (id:seed-index id:seed)))
(cons 'id-index id-index)))
| false |
eb4667cfcfe961d536018b5c74e2fe43b7ca76f8
|
86092887e6e28ebc92875339a38271319a87ea0d
|
/Ch2/2_6.scm
|
4d4c0425dc48c2b26c28fc1f5c624879fe7fbeb1
|
[] |
no_license
|
a2lin/sicp
|
5637a172ae15cd1f27ffcfba79d460329ec52730
|
eeb8df9188f2a32f49695074a81a2c684fe6e0a1
|
refs/heads/master
| 2021-01-16T23:55:38.885463 | 2016-12-25T07:52:07 | 2016-12-25T07:52:07 | 57,107,602 | 1 | 0 | null | null | null | null |
UTF-8
|
Scheme
| false | false | 213 |
scm
|
2_6.scm
|
(define one (lambda (f) (lambda (x) (f x))))
(define two (lambda (f) (lambda (x) (f (f x)))))
(define (plus x y) (lambda (f) (lambda (x) ((two f) ((one f) x)))))
(define (inc x) (+ x 1))
(((plus one two) inc) 0)
| false |
91fe6457760147256359494f650d64ec7b09c543
|
c157305e3b08b76c2f4b0ac4f9c04b435097d0dc
|
/eopl2e/code/interps/2-2-1.scm
|
47ba60a14bc81ff2652f6f98b5ba9488ab6c478f
|
[] |
no_license
|
rstewart2702/scheme_programs
|
a5e91bd0e1587eac3859058da18dd9271a497721
|
767d019d84896569f2fc02de95925b05a38cac4d
|
refs/heads/master
| 2021-05-02T02:01:01.964797 | 2014-03-31T19:02:36 | 2014-03-31T19:02:36 | 13,077,035 | 0 | 1 | null | null | null | null |
UTF-8
|
Scheme
| false | false | 1,031 |
scm
|
2-2-1.scm
|
(let ((time-stamp "Time-stamp: <2000-12-11 16:29:55 wand>"))
(eopl:printf "2-2-1.scm ~a~%" (substring time-stamp 13 29)))
(define-datatype bintree bintree?
(leaf-node
(datum number?))
(interior-node
(key symbol?)
(left bintree?)
(right bintree?)))
(define-datatype s-list s-list?
(empty-s-list)
(non-empty-s-list
(first symbol-exp?)
(rest s-list?)))
(define-datatype symbol-exp symbol-exp?
(symbol-symbol-exp
(data symbol?))
(s-list-symbol-exp
(data s-list?)))
;;; This definition of s-list is not snippetized (ignore if not author)
(define-datatype s-list s-list?
(an-s-list
(data (list-of symbol-exp?))))
(define list-of
(lambda (pred)
(lambda (val)
(or (null? val)
(and (pair? val)
(pred (car val))
((list-of pred) (cdr val)))))))
(define leaf-sum
(lambda (tree)
(cases bintree tree
(leaf-node (datum) datum)
(interior-node (key left right)
(+ (leaf-sum left) (leaf-sum right))))))
| false |
0ec6e9b930ee5311374c7cbbbf54442f7bb81b22
|
03e4064a7a55b5d00937e74cddb587ab09cf7af9
|
/nscheme/old/old-5/lib/backend-racket.scm
|
466e34152aa5c72d1dc15f4f31009523bb2d1031
|
[
"BSD-2-Clause"
] |
permissive
|
gregr/ina
|
29f28396cd47aa443319147ecde5235d11e1c3d1
|
16188050caa510899ae22ff303a67897985b1c3b
|
refs/heads/master
| 2023-08-25T13:31:44.131598 | 2023-08-14T16:46:48 | 2023-08-14T16:46:48 | 40,606,975 | 17 | 0 | null | null | null | null |
UTF-8
|
Scheme
| false | false | 1,707 |
scm
|
backend-racket.scm
|
((provide ast->racket-datum))
(define (vsym p) (string-append 'v. p))
(define (datum->racket-datum datum)
(cond ((pair? datum) (cons (datum->racket-datum (car datum))
(datum->racket-datum (cdr datum))))
((vector? datum)
(vector 'vector (list->vector (map datum->racket-datum
(vector->list datum)))))
((string? datum) (vector 'string datum))
(#t datum)))
(define (ast->racket-datum ast)
(define alen (- (vector-length ast) 1))
(define (@ i) (vector-ref ast i))
(define (@^ i) (ast->racket-datum (@ i)))
(define (? tag) (equal? tag (@ 0)))
(define (binding n a) (list (vsym n) (ast->racket-datum a)))
(define (body e) (if (and (pair? e) (equal? 'begin (car e)))
(cdr e) (list e)))
;; Assume: set! param is a name; lambda param and apply arg are lists.
(cond ((? 'quote ) (if (or (boolean? (@ 1)) (number? (@ 1))) (@ 1)
(list 'quote (datum->racket-datum (@ 1)))))
((? 'var ) (vsym (@ 1)))
((? 'set! ) (list 'set! (vsym (@ 1)) (@^ 2)))
((? 'if ) (list 'if (@^ 1) (@^ 2) (@^ 3)))
((? 'apply ) (cons (@^ 1) (map ast->racket-datum (@ 2))))
((? 'lambda) (list* 'lambda (map vsym (@ 1)) (body (@^ 2))))
((? 'prim ) (cons (@ 1) (map ast->racket-datum (@ 2))))
((? 'begin ) (cons 'begin (append (map ast->racket-datum (@ 1))
(list (ast->racket-datum (@ 2))))))
((or (? 'let) (? 'letrec))
(list* (@ 0) (map binding (@ 1) (@ 2)) (body (@^ 3))))
(#t (error '"unknown ast:" ast))))
| false |
d272ee9c175b56440814d786164d836f0666572e
|
35f859a6933537955f878e97455cd45b312aa042
|
/example/processing/learning/getting-started/template.scm
|
097a35ea7c3834d10347964cab60302b7febbb7e
|
[] |
no_license
|
podhmo/gauche-gl-processing
|
ebbbe2631830cb7d0e62b5e5aa0275bb176c7084
|
d57b9c055d2dfe199df5652e1afb0cfd1713257f
|
refs/heads/master
| 2021-01-23T08:38:44.547876 | 2010-10-13T08:40:19 | 2010-10-13T08:40:19 | null | 0 | 0 | null | null | null | null |
UTF-8
|
Scheme
| false | false | 211 |
scm
|
template.scm
|
(use gl.processing)
(define draw (draw-once$ (^ ()
)
:save ".png"))
(define main (setup$ (^ ()
)
:draw draw))
(main '())
| false |
bb589422297d07e69b0980ba5aba2e326619f8b3
|
defeada37d39bca09ef76f66f38683754c0a6aa0
|
/UnityEngine/unity-engine/wait-for-end-of-frame.sls
|
e41129751a5672a32816dcfb19ec5e5b6844b84f
|
[] |
no_license
|
futsuki/ironscheme-port
|
2dbac82c0bda4f4ff509208f7f00a5211d1f7cd5
|
4e7a81b0fbeac9a47440464988e53fb118286c54
|
refs/heads/master
| 2016-09-06T17:13:11.462593 | 2015-09-26T18:20:40 | 2015-09-26T18:20:40 | 42,757,369 | 0 | 0 | null | null | null | null |
UTF-8
|
Scheme
| false | false | 397 |
sls
|
wait-for-end-of-frame.sls
|
(library (unity-engine wait-for-end-of-frame)
(export new is? wait-for-end-of-frame?)
(import (ironscheme-clr-port))
(define-syntax new
(lambda (e)
(syntax-case e ()
((_ a ...) #'(clr-new UnityEngine.WaitForEndOfFrame a ...)))))
(define (is? a) (clr-is UnityEngine.WaitForEndOfFrame a))
(define (wait-for-end-of-frame? a)
(clr-is UnityEngine.WaitForEndOfFrame a)))
| true |
1137573b697922bec52e68af1c68cf26eb7ba6a9
|
defeada37d39bca09ef76f66f38683754c0a6aa0
|
/System/system/io/kevent-data.sls
|
39e7cb0f3efe4967dd41dfc2ea072ec9cccf9220
|
[] |
no_license
|
futsuki/ironscheme-port
|
2dbac82c0bda4f4ff509208f7f00a5211d1f7cd5
|
4e7a81b0fbeac9a47440464988e53fb118286c54
|
refs/heads/master
| 2016-09-06T17:13:11.462593 | 2015-09-26T18:20:40 | 2015-09-26T18:20:40 | 42,757,369 | 0 | 0 | null | null | null | null |
UTF-8
|
Scheme
| false | false | 1,901 |
sls
|
kevent-data.sls
|
(library (system io kevent-data)
(export new
is?
kevent-data?
fsw-get
fsw-set!
fsw-update!
directory-get
directory-set!
directory-update!
file-mask-get
file-mask-set!
file-mask-update!
include-subdirs?-get
include-subdirs?-set!
include-subdirs?-update!
enabled?-get
enabled?-set!
enabled?-update!
dir-entries-get
dir-entries-set!
dir-entries-update!
ev-get
ev-set!
ev-update!)
(import (ironscheme-clr-port))
(define-syntax new
(lambda (e)
(syntax-case e ()
((_ a ...) #'(clr-new System.IO.KeventData a ...)))))
(define (is? a) (clr-is System.IO.KeventData a))
(define (kevent-data? a) (clr-is System.IO.KeventData a))
(define-field-port
fsw-get
fsw-set!
fsw-update!
()
System.IO.KeventData
FSW
System.IO.FileSystemWatcher)
(define-field-port
directory-get
directory-set!
directory-update!
()
System.IO.KeventData
Directory
System.String)
(define-field-port
file-mask-get
file-mask-set!
file-mask-update!
()
System.IO.KeventData
FileMask
System.String)
(define-field-port
include-subdirs?-get
include-subdirs?-set!
include-subdirs?-update!
()
System.IO.KeventData
IncludeSubdirs
System.Boolean)
(define-field-port
enabled?-get
enabled?-set!
enabled?-update!
()
System.IO.KeventData
Enabled
System.Boolean)
(define-field-port
dir-entries-get
dir-entries-set!
dir-entries-update!
()
System.IO.KeventData
DirEntries
System.Collections.Hashtable)
(define-field-port
ev-get
ev-set!
ev-update!
()
System.IO.KeventData
ev
System.IO.kevent))
| true |
9b8c6415405b860a4ebcf227ee12781ba792028a
|
8c4c89fe51548176e8dbe8a736066e6d00e09c44
|
/scratch/showtree.scm
|
65c882a9490cc37b3b614ce0ba90aa7f6ee146d9
|
[
"BSD-3-Clause"
] |
permissive
|
caelia/civet
|
f5b59c979a035a18cba9beae2043e02ccddcbc9d
|
2b93395539207f7c531f89887207fcf9e3651985
|
refs/heads/master
| 2023-08-19T08:57:55.135790 | 2013-10-09T12:14:48 | 2013-10-09T12:14:48 | null | 0 | 0 | null | null | null | null |
UTF-8
|
Scheme
| false | false | 896 |
scm
|
showtree.scm
|
(use ssax)
(define nsmap
'((#f . "http://www.w3.org/1999/xhtml")
(cvt . "http://xmlns.therebetygers.net/civet/0.1")))
(define (show-tree t)
(print "[TREE]\n")
(pp t)
(if (or (null? t) (string? t) (symbol? t))
(print "\n==============================================\n")
(let ((head (car t)) (tail (cdr t)))
(print "\n----------------------------------------------\n")
(print "[HEAD]\n")
(pp head)
(print "\n----------------------------------------------\n")
(print "[TAIL]\n")
(pp tail)
(print "\n==============================================\n")
(when (list? head) (show-tree head))
(show-tree tail))))
(define (run file)
(let ((doc
(with-input-from-file
file
(lambda ()
(ssax:xml->sxml (current-input-port) nsmap)))))
(show-tree doc)))
(run (cadr (argv)))
| false |
5925ecf6fc6c51b17e22aebd0649efb0b402a34b
|
5e493d4a30203bb6f3956c4bced78d170d3037e5
|
/examples/life.scm
|
a53f3aa67f8a43d4ecee6f71910319fe8c294b04
|
[
"Zlib"
] |
permissive
|
nymacro/gerbil-sdl2
|
c88e9e0053fa1230124ead7bcdbe7e6a18b92761
|
ed03678de77807146718d4d23397ec12fd593cc0
|
refs/heads/master
| 2020-04-18T05:56:58.013319 | 2019-07-10T11:20:07 | 2019-08-31T12:01:20 | 167,298,892 | 0 | 0 | null | null | null | null |
UTF-8
|
Scheme
| false | false | 9,541 |
scm
|
life.scm
|
;;;; gambit-sdl2 Game of Life
;;;; Copyright (C) 2019 Aaron Marks. All Rights Reserved.
(declare
(r5rs-scheme)
(block)
(standard-bindings)
(extended-bindings)
(fixnum)
(run-time-bindings)
(not safe))
(##include "~~lib/_syntax.scm")
(load "sdl2")
(##include "life_shared.scm")
(SDL_Init SDL_INIT_VIDEO)
;;;; helper functions
(define (1+ x) (+ x 1))
(define (fx1+ x) (fx+ x 1))
(define (1- x) (- x 1))
(define (fx1- x) (fx- x 1))
(define fx/ fxquotient)
(define displayln
(case-lambda
((str port)
(display str port)(newline port))
((str)
(display str)(newline))))
(define-syntax with-mutex
(syntax-rules ()
((_ mtx x xs ...)
(begin
(dynamic-wind
(lambda () (mutex-lock! mtx))
(lambda ()
x
xs ...)
(lambda () (mutex-unlock! mtx)))))))
;;;; setup
(define window-width 800)
(define window-height 600)
(define block-width 8)
(define block-height 8)
(define arena-width (fx/ window-width block-width))
(define arena-height (fx/ window-height block-height))
(define (draw-block x y renderer #!optional (intensity 0))
(SDL_SetRenderDrawColor renderer intensity 0 0 255)
(SDL_RenderFillRect renderer (make-temp-rect x y block-width block-height)))
(define (make-arena)
(make-u8vector (fx* arena-width arena-height) 0))
(define (arena-idx* x y)
(let ((xx (if (fx< x 0)
(fx+ x arena-width)
x))
(yy (if (fx< y 0)
(fx+ y arena-height)
y)))
(fx+ (fx* (fxmodulo yy arena-height) arena-width)
(fxmodulo xx arena-width))))
(define-syntax life-alive-p
(syntax-rules ()
((_ x)
(fx= x 255))))
(define-syntax life-drain
(syntax-rules ()
((_ x)
(cond
((fx> x 0) (max 0 (fx- x 16)))
(else 0)))))
(define-syntax for-arena
(syntax-rules ()
((for-arena (x y) stmt stmts ...)
(for (y 0 arena-height)
(for (x 0 arena-width)
stmt
stmts ...)))))
(define (arena-ref arena x y)
(u8vector-ref arena (arena-idx* x y)))
(define (arena-set! arena x y v)
(u8vector-set! arena (arena-idx* x y) v))
(define (arena-randomize! arena)
(for-arena (x y)
(let* ((random-value (random-integer 2))
(value (if (fx= 0 (modulo random-value 2))
0
255)))
(arena-set! arena x y value))))
(define (arena-clear! arena)
(for-arena (x y)
(arena-set! arena x y 0)))
(define (arena-render arena renderer)
(for-arena (x y)
(let ((alive (arena-ref arena x y)))
(draw-block (fx* block-width x) (fx* block-height y) renderer alive))))
(define (arena-display arena)
(for (y 0 arena-height)
(for (x 0 arena-width)
(if (arena-ref arena x y)
(display "X")
(display ".")))
(newline)))
;;;; Conway's Game of Life
;;;;
;;;; Events happen simultaneously
;;;; 1. Alive cells with fewer than 2 neighbours die.
;;;; 2. Alive cells with 2-3 neighbours lives.
;;;; 3. Alive cells with greater than 3 neighbours die.
;;;; 4. Dead cells with exacly three live neighbours comes to life.
(define (life-tick-state alive neighbours)
(let ((alivep (life-alive-p alive)))
(cond
((and alivep (< neighbours 2)) (life-drain alive))
((and alivep (> neighbours 3)) (life-drain alive))
((and (not alivep) (= neighbours 3)) 255)
(else
(if (life-alive-p alive)
alive
(life-drain alive))))))
(define (life-tick-inner arena x y)
(let* ((alive (arena-ref arena x y))
(neighbours (arena-surrounds-alive arena x y)))
(life-tick-state alive neighbours)))
(define (life-tick arena)
(let ((new-arena (make-arena)))
(for-arena (x y)
(arena-set! new-arena x y (life-tick-inner arena x y)))
new-arena))
(define (life-tick-pause arena)
(let ((new-arena (make-arena)))
(for-arena (x y)
(let ((alive (arena-ref arena x y)))
(arena-set! new-arena x y (if (life-alive-p alive)
alive
(life-drain alive)))))
new-arena))
;; return number of alive neighbours for a cell
(define (arena-surrounds-alive arena x y)
(let ((alive 0))
(for (yy 0 3)
(for (xx 0 3)
(let* ((get-x (1- (fx+ x xx)))
(get-y (1- (fx+ y yy)))
(self (and (= get-x x) (= get-y y)))
(alivep (life-alive-p (arena-ref arena get-x get-y))))
(when (and alivep (not self))
(set! alive (1+ alive))))))
alive))
(define arena (make-arena))
(arena-randomize! arena)
(let* ((window (SDL_CreateWindow "Game of Life" 0 0 window-width window-height 0))
(fullscreen #f)
(toggle-fullscreen (lambda ()
(set! fullscreen (not fullscreen))
(SDL_SetWindowFullscreen window (if fullscreen SDL_TRUE SDL_FALSE))))
(renderer (SDL_CreateRenderer window -1 SDL_RENDERER_SOFTWARE))
(event (make-SDL_Event))
(running #t)
(current-time (SDL_GetTicks))
(frame-limiter (make-frame-limiter 30 current-time))
(frame-counter (make-frame-counter current-time))
(frame-rate 0)
(pause #f)
(mtx (make-mutex))
(life-action (lambda ()
(let* ((current-time (SDL_GetTicks))
(life-counter (make-frame-counter current-time))
(life-limiter (make-frame-limiter 60 current-time))
(last-rate 0))
(let loop ()
(let* ((current-time (SDL_GetTicks))
(count (life-counter current-time))
(delay-time (life-limiter current-time)))
(when (not (fx= last-rate count))
(displayln (string-append "life: " (object->string count)))
(set! last-rate count))
(thread-sleep! (/ delay-time 1000))
(with-mutex mtx
(if pause
(set! arena (life-tick-pause arena))
(set! arena (life-tick arena)))))
(loop)))))
(life-thread (thread-start! (make-thread life-action "life-tick"))))
;; main loop
(let loop ()
(let* ((current-time (SDL_GetTicks))
(delay-time (frame-limiter current-time))
(new-frame-rate (frame-counter current-time)))
(when (not (fx= frame-rate new-frame-rate))
(displayln (string-append "fps: " (object->string new-frame-rate)))
(set! frame-rate new-frame-rate))
(thread-sleep! (/ delay-time 1000))
;; redraw
(with-mutex mtx
(arena-render arena renderer)
(SDL_RenderPresent renderer))
(let event-loop ()
(let* ((e (SDL_PollEvent event))
(event-type (SDL_Event#type event)))
(when (fx> e 0)
(cond
((fx= event-type SDL_MOUSEBUTTONDOWN)
(let* ((button-event (SDL_Event#button-ref event))
(button (SDL_MouseButtonEvent#button button-event))
(x (SDL_MouseButtonEvent#x button-event))
(y (SDL_MouseButtonEvent#y button-event))
(block-x (fx/ x block-width))
(block-y (fx/ y block-height)))
(with-mutex mtx
(arena-set! arena block-x block-y
(if (life-alive-p (arena-ref arena block-x block-y))
0
255)))))
((fx= event-type SDL_KEYDOWN)
(let* ((keyboard-event (SDL_Event#key-ref event))
(keysym (SDL_KeyboardEvent#keysym-ref keyboard-event))
(key-code (SDL_Keysym#sym keysym)))
(cond
((fx= key-code SDLK_RETURN)
(with-mutex mtx
(arena-randomize! arena)))
((fx= key-code SDLK_SPACE)
(set! pause (not pause))
(if pause
(displayln "Paused. Press space to unpause.")
(displayln "Unpaused. Press space to pause.")))
((fx= key-code SDLK_c)
(arena-clear! arena))
((fx= key-code SDLK_r)
;; launch REPL on C-r
(unless (zero? (bitwise-and (SDL_Keysym#mod keysym) KMOD_CTRL))
(when fullscreen toggle-fullscreen)
(##continuation-capture
(lambda (cont)
(##repl-within cont #f #f)))))
((fx= key-code SDLK_ESCAPE)
(displayln "Escape key pressed. Exiting")
(set! running #f))
((fx= key-code SDLK_f)
(toggle-fullscreen))
(else
(displayln (string-append "Unhandled key:"
(object->string (if (< key-code 256)
(integer->char key-code)
key-code))))))))
((fx= event-type SDL_QUIT) (set! running #f)))
(event-loop)))))
(when running (loop)))
(thread-terminate! life-thread))
(##gc)
(SDL_Quit)
(displayln "Goodbye :(")
| true |
5fdf4e5ea6e7aa56709d285f90529efc51c00e47
|
1ed47579ca9136f3f2b25bda1610c834ab12a386
|
/sec5/sec5.4.scm
|
bcf70304f4cd7eee313dc5b6b3f21a08eff1e623
|
[] |
no_license
|
thash/sicp
|
7e89cf020e2bf5ca50543d10fa89eb1440f700fb
|
3fc7a87d06eccbe4dcd634406e3b400d9405e9c4
|
refs/heads/master
| 2021-05-28T16:29:26.617617 | 2014-09-15T21:19:23 | 2014-09-15T21:19:23 | 3,238,591 | 0 | 1 | null | null | null | null |
UTF-8
|
Scheme
| false | false | 41 |
scm
|
sec5.4.scm
|
sec5.4-The-Explicit-Control-Evaluator.scm
| false |
11d8b2d952981eccf1455379d71242aa8c6690b3
|
de8566db6f92103165b07a24ceacf8b20a7ac542
|
/sc/scx2lol/scx2lol.scm
|
1cf1773625a1871cb5e846efabc9cf2ae0c8738b
|
[] |
no_license
|
Irwin1985/cerbo
|
a786ab8af9e4b2f139898bd1ddf557fb6d89b5dd
|
559df220dc842318c4c2d81100b56bf6587c91a6
|
refs/heads/master
| 2022-09-01T15:46:17.400733 | 2020-05-27T19:21:37 | 2020-05-27T19:21:37 | null | 0 | 0 | null | null | null | null |
UTF-8
|
Scheme
| false | false | 1,922 |
scm
|
scx2lol.scm
|
(require-extension srfi-1)
;;(require-extension foof-loop)
(require-extension srfi-34) ;exceptions
;;(require-extension srfi-25) ; multi-dimensional arrays
(require-extension srfi-42) ; eager comprehensions
;;(require-extension srfi-47)
(require-extension srfi-63) ; arrays
(require-extension mccsl)
;(load "~/repos/tacc/mccsl/mccsl.scm")
;(import mccsl)
;;(define foo '())
;;(addend! foo 12)
(define (simplify-sc-entry entry)
(define pos (second entry))
(define col (second pos))
(define row (third pos))
(define val (third entry))
(list row (- col 1) val))
(define (collect-unthrown func alist)
(define result '())
(for-each (lambda (el)
(with-exception-handler (lambda (x) #f)
(lambda () (addend! result (func el)))))
alist)
result)
(define (sc-lol p)
; make a list-of-lists from an input port
(define sexpr (read p))
(define cells (collect-unthrown simplify-sc-entry sexpr))
(set! cells (filter (lambda (x) (atom? (third x))) cells))
(define nrows (+ 1 (apply max (map first cells))))
(define ncols (+ 1 (apply max (map second cells))))
;(define ar (make-array (shape 0 nrows 0 ncols) '()))
(define ar (make-array '#(()) nrows ncols))
(for-each (lambda (x)
;;(print x)
(array-set! ar (third x) (first x) (second x) ))
cells)
; (define lol (list-ec (: r 0 nrows)
; (list-ec (: c 0 ncols)
; (array-ref ar r c))))
(define lol (array->list ar))
lol)
;;(define result (call-with-input-file "~/repos/tacc/sc/scpt/examples/output" sc-lol))
;;(current-input-port)
(define debug #f)
(if debug
(begin
(write (call-with-input-file
"~/repos/tacc/sc/scpt/examples/output" sc-lol)))
(begin
(write (sc-lol (current-input-port)))))
| false |
492ed29762e0a3feb15b2b26ceebf01563351690
|
f4cf5bf3fb3c06b127dda5b5d479c74cecec9ce9
|
/Sources/LispKit/Resources/Libraries/srfi/217.sld
|
e806142f44cc4877d9d1edc36a2d54e9ec7cd288
|
[
"Apache-2.0"
] |
permissive
|
objecthub/swift-lispkit
|
62b907d35fe4f20ecbe022da70075b70a1d86881
|
90d78a4de3a20447db7fc33bdbeb544efea05dda
|
refs/heads/master
| 2023-08-16T21:09:24.735239 | 2023-08-12T21:37:39 | 2023-08-12T21:37:39 | 57,930,217 | 356 | 17 |
Apache-2.0
| 2023-06-04T12:11:51 | 2016-05-03T00:37:22 |
Scheme
|
UTF-8
|
Scheme
| false | false | 52,189 |
sld
|
217.sld
|
;;; SRFI 217
;;; Integer Sets
;;;
;;; Integer sets, or isets, are unordered collections of fixnums. Fixnums are
;;; exact integers within certain implementation-specified bounds.
;;;
;;; While it is perfectly practical to store integers in SRFI-113 sets, other
;;; algorithms can be used to represent sets of exact integers. This SRFI is
;;; almost a drop-in replacement for SRFI 113, except that set is replaced by
;;; iset in procedure names. However, comparators are not useful for integer sets,
;;; and in iset, iset-unfold, iset-map, and iset-copy, the comparator argument
;;; is omitted.
;;;
;;; Author of spec: John Cowan
;;;
;;; Copyright © 2020 Wolfgang Corcoran-Mathe. All rights reserved.
;;;
;;; Permission is hereby granted, free of charge, to any person obtaining a copy
;;; of this software and associated documentation files (the "Software"), to deal
;;; in the Software without restriction, including without limitation the rights
;;; to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
;;; copies of the Software, and to permit persons to whom the Software is
;;; furnished to do so, subject to the following conditions:
;;;
;;; The above copyright notice and this permission notice shall be included in all
;;; copies or substantial portions of the Software.
;;;
;;; THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
;;; IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
;;; FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
;;; COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
;;; IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
;;; CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
;;;
;;; Adaptation to LispKit
;;; Copyright © 2021 Matthias Zenger. All rights reserved.
(define-library (srfi 217)
(export iset list->iset
list->iset!
iset-unfold make-range-iset
iset-member
iset-min iset-max
iset? iset-contains?
iset-empty? iset-disjoint?
iset-adjoin iset-adjoin! iset-delete iset-delete! iset-delete-all
iset-delete-all!
iset-search
iset-search!
iset-delete-min iset-delete-max
iset-delete-min! iset-delete-max!
iset-size
iset-find
iset-any? iset-every?
iset-count iset-fold
iset-fold-right
iset-map iset-for-each
iset-filter iset-remove
iset-partition iset-partition!
iset-copy
iset->list
iset=?
iset<? iset>? iset<=? iset>=?
iset-union iset-union!
iset-intersection iset-intersection!
iset-difference iset-difference!
iset-xor iset-xor!
iset-open-interval iset-closed-interval iset-open-closed-interval
iset-closed-open-interval isubset= isubset< isubset<=
isubset> isubset>=
;; debug
iset-trie
highest-set-bit
highest-bit-mask
lowest-bit-mask)
(import (scheme base)
(scheme case-lambda)
(scheme inexact)
(only (srfi 1) fold every xcons)
(srfi 143)
(only (srfi 151) bit-count)
(srfi 145))
(begin
;;; This section implements integers sets as compressed binary radix trees
;;; (AKA Patricia tries), as described by Chris Okasaki and Andrew Gill in
;;; "Fast Mergeable Integer Maps" (1998). Integers in big-endian binary encoding
;;; are stored in a trie structure which allows fast lookup, insertion, and
;;; set-theoretical operations (union, intersection, etc.)
;;;
;;; To make efficient use of space, "buddy compression" is used to store runs of
;;; adjacent integers as bitmaps in single leaves. Integers are broken up into a
;;; prefix and a string of low-order bits; the latter are represented by setting
;;; the appropriate bit in a leaf's bitmap. Since a bitmap is represented by
;;; a single fixnum, we can represent a 5-bit suffix on most 64-bit Schemes,
;;; and a 4-bit suffix on most 32-bit implementations. (We pay a tax for dynamic
;;; typing.)
;;;
;;; A trie is represented by #f (the empty trie), a leaf, or a branch.
;;;
;;; Throughout this code, the empty trie (#f) is always returned as an explicit
;;; value, not, e.g. as the default value of an (and ...) expression, to clarify
;;; its use as a trie value.
;;;
;;; The interface procedures of this library are the `trie-' forms not prefixed
;;; with '%'. This flimsy naming scheme is no substitute for a real submodule,
;;; but not every Scheme supports those.
;;;; Types and constructors
;;; Leaves and branches are constructed so as to maintain the following
;;; invariant: Every leaf and every subtrie contains at least one value.
;;; This means that the empty trie (#f) never appears as a subtrie.
(define-record-type <leaf>
(raw-leaf prefix bitmap)
leaf?
(prefix leaf-prefix)
(bitmap leaf-bitmap))
;; The primary leaf constructor creates a leaf only if `bitmap'
;; contains at least one value.
(define (leaf prefix bitmap)
(if (fxpositive? bitmap)
(raw-leaf prefix bitmap)
#f))
;; Shorthand for extracting leaf elements.
(define-syntax let*-leaf
(syntax-rules ()
((_ () e1 e2 ...) (begin e1 e2 ...))
((_ (((p b) expr) . binds) . body)
(let ((lf expr))
(let ((p (leaf-prefix lf)) (b (leaf-bitmap lf)))
(let*-leaf binds . body))))))
(define-record-type <branch>
(raw-branch prefix branching-bit left right)
branch?
(prefix branch-prefix)
(branching-bit branch-branching-bit)
(left branch-left)
(right branch-right))
;; The primary branch constructor creates a branch only if the subtrees are non-empty.
(define (branch prefix mask trie1 trie2)
(cond ((not trie1) trie2)
((not trie2) trie1)
(else (raw-branch prefix mask trie1 trie2))))
;; Shorthand for extracting branch elements.
(define-syntax let*-branch
(syntax-rules ()
((_ () e1 e2 ...) (begin e1 e2 ...))
((_ (((p m l r) expr) . binds) . body)
(let ((b expr))
(let ((p (branch-prefix b))
(m (branch-branching-bit b))
(l (branch-left b))
(r (branch-right b)))
(let*-branch binds . body))))))
;;;; Bitwise constants and procedures
;; Constant. Gives the maximum number of integers storable in a single leaf.
(define leaf-bitmap-size (expt 2 (exact (floor (log (- fx-width 1) 2)))))
(define suffix-mask (- leaf-bitmap-size 1))
(define prefix-mask (fxnot suffix-mask))
(define (valid-integer? x) (fixnum? x))
;; Zero the bits of k at and below (BE) the set bit of m.
(define (mask k m)
(if (fx=? m fx-least)
0
(fxand k (fxxor (fxnot (fx- m 1)) m))))
;; Does the m-masked prefix of k match p?
(define (match-prefix? k p m)
(fx=? (mask k m) p))
(define (branching-bit p1 m1 p2 m2)
(if (fxnegative? (fxxor p1 p2))
fx-least ; different signs
(highest-bit-mask (fxxor p1 p2) (fxmax 1 (fx* 2 (fxmax m1 m2))))))
;; Two's-complement trick.
(define (lowest-bit-mask b)
(fxand b (fxneg b)))
(define (highest-bit-mask k guess-m)
(let lp ((x (fxand k (fxnot (fx- guess-m 1)))))
(let ((m (lowest-bit-mask x)))
(if (fx=? x m)
m
(lp (fx- x m))))))
;; FIXME: To improve.
(define (highest-set-bit k)
(fxfirst-set-bit (highest-bit-mask k 1)))
(define (zero-bit? k m)
(fxzero? (fxand k m)))
(define (isuffix k)
(fxand k suffix-mask))
(define (iprefix k)
(fxand k prefix-mask))
(define (ibitmap k)
(fxarithmetic-shift 1 (isuffix k)))
(define (bitmap-delete bitmap key)
(fxand bitmap (fxnot (ibitmap key))))
(define (bitmap-delete-min b)
(fxand b (fxnot (lowest-bit-mask b))))
(define (bitmap-delete-max b)
(fxand b (fxnot (highest-bit-mask b (lowest-bit-mask b)))))
;;;; Predicates and accessors
(define (trie-contains? trie key)
(and trie
(if (leaf? trie)
(and (fx=? (iprefix key) (leaf-prefix trie))
(not (fxzero? (fxand (ibitmap key) (leaf-bitmap trie)))))
(let*-branch (((p m l r) trie))
(and (match-prefix? key p m)
(if (zero-bit? key m)
(trie-contains? l key)
(trie-contains? r key)))))))
(define (trie-min trie)
(letrec
((search
(lambda (t)
(and t
(if (leaf? t)
(fx+ (leaf-prefix t) (fxfirst-set-bit (leaf-bitmap t)))
(search (branch-left t)))))))
(if (branch? trie)
(if (fxnegative? (branch-branching-bit trie))
(search (branch-right trie))
(search (branch-left trie)))
(search trie))))
(define (trie-max trie)
(letrec
((search
(lambda (t)
(and t
(if (leaf? t)
(fx+ (leaf-prefix t) (highest-set-bit (leaf-bitmap t)))
(search (branch-right t)))))))
(if (branch? trie)
(if (fxnegative? (branch-branching-bit trie))
(search (branch-left trie))
(search (branch-right trie)))
(search trie))))
;;;; Insert
(define (%trie-insert-parts trie prefix bitmap)
(letrec
((ins
(lambda (t)
(cond ((not t) (raw-leaf prefix bitmap))
((leaf? t)
(let*-leaf (((p b) t))
(if (fx=? prefix p)
(raw-leaf prefix (fxior b bitmap))
(%trie-join prefix 0 (raw-leaf prefix bitmap) p 0 t))))
(else
(let*-branch (((p m l r) t))
(if (match-prefix? prefix p m)
(if (zero-bit? prefix m)
(branch p m (ins l) r)
(branch p m l (ins r)))
(%trie-join prefix 0 (raw-leaf prefix bitmap) p m t))))))))
(ins trie)))
(define (trie-insert trie key)
(%trie-insert-parts trie (iprefix key) (ibitmap key)))
;;;; Iterators and filters
;; Fold trie in increasing numerical order.
(define (trie-fold proc nil trie)
(letrec
((cata
(lambda (b t)
(cond ((not t) b)
((leaf? t)
(fold-left-bits (leaf-prefix t) proc b (leaf-bitmap t)))
(else
(cata (cata b (branch-left t)) (branch-right t)))))))
(if (branch? trie)
(let*-branch (((p m l r) trie))
(if (fxnegative? m)
(cata (cata nil r) l)
(cata (cata nil l) r)))
(cata nil trie))))
(define (fold-left-bits prefix proc nil bitmap)
(let loop ((bm bitmap) (acc nil))
(if (fxzero? bm)
acc
(let* ((mask (lowest-bit-mask bm))
(bi (fxfirst-set-bit mask)))
(loop (fxxor bm mask) (proc (fx+ prefix bi) acc))))))
;; Fold trie in decreasing numerical order.
(define (trie-fold-right proc nil trie)
(letrec
((cata
(lambda (b t)
(cond ((not t) b)
((leaf? t)
(fold-right-bits (leaf-prefix t) proc b (leaf-bitmap t)))
(else
(cata (cata b (branch-right t)) (branch-left t)))))))
(if (branch? trie)
(let*-branch (((p m l r) trie))
(if (fxnegative? m)
(cata (cata nil l) r)
(cata (cata nil r) l)))
(cata nil trie))))
;; This might benefit from tuning.
(define (fold-right-bits prefix proc nil bitmap)
(let loop ((bm bitmap) (acc nil))
(if (fxzero? bm)
acc
(let* ((mask (highest-bit-mask bm (lowest-bit-mask bm)))
(bi (fxfirst-set-bit mask)))
(loop (fxxor bm mask) (proc (fx+ prefix bi) acc))))))
(define (bitmap-partition pred prefix bitmap)
(let loop ((i 0) (in 0) (out 0))
(cond ((fx=? i leaf-bitmap-size) (values in out))
((fxbit-set? i bitmap)
(let ((bit (fxarithmetic-shift 1 i)))
(if (pred (fx+ prefix i))
(loop (fx+ i 1) (fxior in bit) out)
(loop (fx+ i 1) in (fxior out bit)))))
(else (loop (fx+ i 1) in out)))))
(define (trie-partition pred trie)
(letrec
((part
(lambda (t)
(cond ((not t) (values #f #f))
((leaf? t)
(let*-leaf (((p bm) t))
(let-values (((in out) (bitmap-partition pred p bm)))
(values (leaf p in) (leaf p out)))))
(else
(let-values (((p) (branch-prefix t))
((m) (branch-branching-bit t))
((il ol) (part (branch-left t)))
((ir or) (part (branch-right t))))
(values (branch p m il ir) (branch p m ol or))))))))
(part trie)))
(define (bitmap-filter pred prefix bitmap)
(let loop ((i 0) (res 0))
(cond ((fx=? i leaf-bitmap-size) res)
((and (fxbit-set? i bitmap) (pred (fx+ prefix i)))
(loop (fx+ i 1) (fxior res (fxarithmetic-shift 1 i))))
(else (loop (fx+ i 1) res)))))
(define (trie-filter pred trie)
(cond ((not trie) #f)
((leaf? trie)
(let*-leaf (((p bm) trie))
(leaf p (bitmap-filter pred p bm))))
(else
(branch (branch-prefix trie)
(branch-branching-bit trie)
(trie-filter pred (branch-left trie))
(trie-filter pred (branch-right trie))))))
;;;; Update operations
(define (trie-delete trie key)
(letrec*
((prefix (iprefix key))
(update
(lambda (t)
(cond ((not t) #f)
((leaf? t)
(let*-leaf (((p bm) t))
(if (fx=? p prefix)
(leaf p (bitmap-delete bm key))
t)))
(else
(let*-branch (((p m l r) t))
(if (match-prefix? prefix p m)
(if (zero-bit? prefix m)
(branch p m (update l) r)
(branch p m l (update r)))
t)))))))
(update trie)))
(define (trie-delete-min trie)
(letrec
((update/min
(lambda (t)
(cond ((not t) (error "Empty set"))
((leaf? t)
(let*-leaf (((p bm) t))
(values (+ p (fxfirst-set-bit bm))
(leaf p (bitmap-delete-min bm)))))
(else
(let*-branch (((p m l r) t))
(let-values (((n l*) (update/min l)))
(values n (branch p m l* r)))))))))
(if (branch? trie)
(let*-branch (((p m l r) trie))
(if (fxnegative? m)
(let-values (((n r*) (update/min r)))
(values n (branch p m l r*)))
(let-values (((n l*) (update/min l)))
(values n (branch p m l* r)))))
(update/min trie))))
(define (trie-delete-max trie)
(letrec
((update/max
(lambda (t)
(cond ((not t) (error "Empty set"))
((leaf? t)
(let*-leaf (((p bm) t))
(values (+ p (highest-set-bit bm))
(leaf p (bitmap-delete-max bm)))))
(else
(let*-branch (((p m l r) t))
(let-values (((n r*) (update/max r)))
(values n (branch p m l r*)))))))))
(if (branch? trie)
(let*-branch (((p m l r) trie))
(if (fxnegative? m)
(let-values (((n l*) (update/max l)))
(values n (branch p m l* r)))
(let-values (((n r*) (update/max r)))
(values n (branch p m l r*)))))
(update/max trie))))
;; Search trie for key, and construct a new trie using the results of
;; failure and success.
(define (trie-search trie key failure success)
(let* ((kp (iprefix key))
(key-leaf (raw-leaf kp (ibitmap key))))
(letrec
((search
(lambda (t build)
(cond ((not t)
(failure (lambda (obj) (build key-leaf obj))
(lambda (obj) (build #f obj))))
((leaf? t)
(leaf-search t key failure success build))
(else
(let*-branch (((p m l r) t))
(if (match-prefix? key p m)
(if (zero-bit? key m)
(search l (lambda (l* obj)
(build (branch p m l* r) obj)))
(search r (lambda (r* obj)
(build (branch p m l r*) obj))))
(failure (lambda (obj)
(build (%trie-join kp 0 key-leaf p m t)
obj))
(lambda (obj) (build t obj))))))))))
(if (branch? trie)
(let*-branch (((p m l r) trie))
(if (fxnegative? m)
(if (fxnegative? key)
(let-values (((r* obj) (search r values)))
(values (branch p m l r*) obj))
(let-values (((l* obj) (search l values)))
(values (branch p m l* r) obj)))
(search trie values)))
(search trie values)))))
(define (leaf-search lf key failure success build)
(let ((kp (iprefix key)) (kb (ibitmap key)))
(let*-leaf (((p bm) lf))
(if (fx=? kp p)
(if (fxzero? (fxand kb bm))
(failure (lambda (obj)
(build (raw-leaf p (fxior kb bm)) obj))
(lambda (obj) (build lf obj)))
(success key
(lambda (elt obj)
(assume (eqv? key elt) "invalid new element")
(build lf obj))
(lambda (obj)
(build (leaf p (bitmap-delete bm key)) obj))))
(failure (lambda (obj)
(build (%trie-join kp 0 (raw-leaf kp kb) p 0 lf)
obj))
(lambda (obj) (build lf obj)))))))
;;;; Set-theoretical operations
(define (%trie-join prefix1 mask1 trie1 prefix2 mask2 trie2)
(let ((m (branching-bit prefix1 mask1 prefix2 mask2)))
(if (zero-bit? prefix1 m)
(raw-branch (mask prefix1 m) m trie1 trie2)
(raw-branch (mask prefix1 m) m trie2 trie1))))
(define (branching-bit-higher? mask1 mask2)
(if (negative? (fxxor mask1 mask2)) ; signs differ
(negative? mask1)
(fx>? mask1 mask2)))
;; Merge two tries. The exact contents of the result depend on the
;; `insert-leaf' function, which is used to merge leaves into branches.
;; Taking the running time of `insert-leaf' to be constant, runs in
;; O(n+m) time.
(define (%trie-merge insert-leaf trie1 trie2)
(letrec
((merge
(lambda (s t)
(cond ((not s) t)
((not t) s)
((leaf? s) (insert-leaf t s))
((leaf? t) (insert-leaf s t))
(else (merge-branches s t)))))
(merge-branches
(lambda (s t)
(let*-branch (((p m s1 s2) s)
((q n t1 t2) t))
(cond ((and (fx=? m n) (fx=? p q))
;; the prefixes match, so merge the subtries
(branch p m (merge s1 t1) (merge s2 t2)))
((and (branching-bit-higher? m n) (match-prefix? q p m))
;; p is a prefix of q, so merge t with a subtrie of s.
(if (zero-bit? q m)
(branch p m (merge s1 t) s2)
(branch p m s1 (merge s2 t))))
((and (branching-bit-higher? n m) (match-prefix? p q n))
;; q is a prefix of p, so merge s with a subtrie of t.
(if (zero-bit? p n)
(branch q n (merge s t1) t2)
(branch q n t1 (merge s t2))))
(else ; the prefixes disagree
(%trie-join p m s q n t)))))))
(merge trie1 trie2)))
(define (trie-union trie1 trie2)
(%trie-merge (lambda (s t) (insert-leaf/proc fxior s t))
trie1
trie2))
(define (trie-xor trie1 trie2)
(%trie-merge (lambda (s t) (insert-leaf/proc fxxor s t))
trie1
trie2))
;; Insert the elements of `lf' into `trie', combining bitmaps with
;; the binary bitwise operation `fxcombine'.
(define (insert-leaf/proc fxcombine trie lf)
(let*-leaf (((p bm) lf))
(letrec
((ins
(lambda (t)
(cond ((not t) lf) ; a whole new leaf
((leaf? t)
(let*-leaf (((q bm*) t))
(if (fx=? p q)
(leaf p (fxcombine bm bm*))
(%trie-join p 0 lf q 0 t))))
(else ; branch
(let*-branch (((q m l r) t))
(if (match-prefix? p q m)
(if (zero-bit? p m)
(raw-branch q m (ins l) r)
(raw-branch q m l (ins r)))
(%trie-join p 0 lf q 0 t))))))))
(ins trie))))
;; Construct a trie which forms the intersection of the two tries.
;; Runs in O(n+m) time.
(define (trie-intersection trie1 trie2)
(letrec
((intersect
(lambda (s t)
(cond ((or (not s) (not t)) #f)
((leaf? s) (intersect/leaf s t))
((leaf? t) (intersect/leaf t s))
(else (intersect-branches s t)))))
(intersect/leaf
(lambda (l t)
(let*-leaf (((p bm) l))
(let lp ((t t))
(cond ((not t) #f)
((leaf? t)
(if (fx=? p (leaf-prefix t))
(leaf p (fxand bm (leaf-bitmap t)))
#f)) ; disjoint
(else ; branch
(let*-branch (((q m l r) t))
(if (match-prefix? p q m)
(if (zero-bit? p m) (lp l) (lp r))
#f)))))))) ; disjoint
(intersect-branches
(lambda (s t)
(let*-branch (((p m sl sr) s) ((q n tl tr) t))
(cond ((branching-bit-higher? m n)
(and (match-prefix? q p m)
(if (zero-bit? q m)
(intersect sl t)
(intersect sr t))))
((branching-bit-higher? n m)
(and (match-prefix? p q n)
(if (zero-bit? p n)
(intersect s tl)
(intersect s tr))))
((fx=? p q)
(branch p m (intersect sl tl) (intersect sr tr)))
(else #f))))))
(intersect trie1 trie2)))
;; Construct a trie containing the elements of trie1 not found in trie2.
;; Runs in O(n+m) time.
(define (trie-difference trie1 trie2)
(letrec
((difference
(lambda (s t)
(cond ((not s) #f)
((not t) s)
((leaf? s) (diff/leaf s t))
((leaf? t)
(%trie-delete-bitmap s (leaf-prefix t) (leaf-bitmap t)))
(else (branch-difference s t)))))
(diff/leaf
(lambda (lf t)
(let*-leaf (((p bm) lf))
(let lp ((t t))
(cond ((not t) lf)
((leaf? t)
(let*-leaf (((q c) t))
(if (fx=? p q)
(leaf p (fxand bm (fxnot c)))
lf))) ; disjoint
(else ; branch
(let*-branch (((q m l r) t))
(if (match-prefix? p q m)
(if (zero-bit? p m) (lp l) (lp r))
lf))))))))
(branch-difference
(lambda (s t)
(let*-branch (((p m sl sr) s) ((q n tl tr) t))
(cond ((and (fx=? m n) (fx=? p q))
(branch p m (difference sl tl) (difference sr tr)))
((and (branching-bit-higher? m n) (match-prefix? q p m))
(if (zero-bit? q m)
(branch p m (difference sl t) sr)
(branch p m sl (difference sr t))))
((and (branching-bit-higher? n m) (match-prefix? p q n))
(if (zero-bit? p n)
(difference s tl)
(difference s tr)))
(else s))))))
(difference trie1 trie2)))
;; Delete all values described by `bitmap' from `trie'.
(define (%trie-delete-bitmap trie prefix bitmap)
(cond ((not trie) #f)
((leaf? trie)
(if (fx=? prefix (leaf-prefix trie))
(leaf prefix (fxand (leaf-bitmap trie) (fxnot bitmap)))
trie)) ; disjoint
(else ; branch
(let*-branch (((p m l r) trie))
(if (match-prefix? prefix p m)
(if (zero-bit? prefix m)
(branch p m (%trie-delete-bitmap l prefix bitmap) r)
(branch p m l (%trie-delete-bitmap r prefix bitmap)))
trie)))))
;;;; Copying
(define (copy-trie trie)
(cond ((not trie) #f)
((leaf? trie) (raw-leaf (leaf-prefix trie) (leaf-bitmap trie)))
(else
(raw-branch (branch-prefix trie)
(branch-branching-bit trie)
(copy-trie (branch-left trie))
(copy-trie (branch-right trie))))))
;;;; Size
(define (trie-size trie)
(let accum ((siz 0) (t trie))
(cond ((not t) siz)
((leaf? t) (+ siz (bit-count (leaf-bitmap t))))
(else (accum (accum siz (branch-left t))
(branch-right t))))))
;;;; Comparisons
(define (trie=? trie1 trie2)
(cond ((not (or trie1 trie2)) #t)
((and (leaf? trie1) (leaf? trie2))
(and (fx=? (leaf-prefix trie1) (leaf-prefix trie2))
(fx=? (leaf-bitmap trie1) (leaf-bitmap trie2))))
((and (branch? trie1) (branch? trie2))
(let*-branch (((p m l1 r1) trie1) ((q n l2 r2) trie2))
(and (fx=? m n) (fx=? p q) (trie=? l1 l2) (trie=? r1 r2))))
(else #f)))
(define (subset-compare-leaves l1 l2)
(let*-leaf (((p b) l1) ((q c) l2))
(if (fx=? p q)
(if (fx=? b c)
'equal
(if (fxzero? (fxand b (fxnot c)))
'less
'greater))
'greater))) ; disjoint
;; Returns the symbol 'less' if trie1 is a proper subset of trie2,
;; 'equal' if they are the same, and 'greater' otherwise. NB that
;; disjoint sets will compare as greater.
;;
;; FIXME: Simplify this.
(define (trie-subset-compare trie1 trie2)
(letrec
((compare
(lambda (s t)
(cond ((eqv? s t) 'equal)
((not s) 'less)
((not t) 'greater) ; disjoint
((and (leaf? s) (leaf? t)) (subset-compare-leaves s t))
((leaf? s) ; leaf / branch
(let*-leaf (((p _) s))
(let*-branch (((q m l r) t))
(if (match-prefix? p q m)
(case (compare s (if (zero-bit? p m) l r))
((greater) 'greater)
(else 'less))
'greater)))) ; disjoint
((leaf? t) 'greater) ; branch / leaf
(else (compare-branches s t)))))
(compare-branches
(lambda (s t)
(let*-branch (((p m sl sr) s) ((q n tl tr) t))
(cond ((branching-bit-higher? m n) 'greater)
((branching-bit-higher? n m)
(if (match-prefix? p q n)
(let ((comp (if (zero-bit? p n)
(compare s tl)
(compare s tr))))
(if (eqv? comp 'greater) comp 'less))
'greater))
((fx=? p q) ; same prefix, compare subtrees
(let ((cl (compare sl tl)) (cr (compare sr tr)))
(cond ((or (eqv? cl 'greater) (eqv? cr 'greater))
'greater)
((and (eqv? cl 'equal) (eqv? cr 'equal))
'equal)
(else 'less))))
(else 'greater)))))) ; disjoint
(compare trie1 trie2)))
(define (trie-proper-subset? trie1 trie2)
(eqv? (trie-subset-compare trie1 trie2) 'less))
(define (trie-disjoint? trie1 trie2)
(letrec
((disjoint?
(lambda (s t)
(or (not s)
(not t)
(cond ((and (leaf? s) (leaf? t)) (disjoint/leaf? s t))
((leaf? s) (disjoint/leaf? s t))
((leaf? t) (disjoint/leaf? t s))
(else (branches-disjoint? s t))))))
(disjoint/leaf?
(lambda (lf t)
(let*-leaf (((p bm) lf))
(let lp ((t t))
(if (leaf? t)
(if (fx=? p (leaf-prefix t))
(fxzero? (fxand bm (leaf-bitmap t)))
#t)
(let*-branch (((q n l r) t))
(if (match-prefix? p q n)
(if (zero-bit? p n) (lp l) (lp r))
#t)))))))
(branches-disjoint?
(lambda (s t)
(let*-branch (((p m sl sr) s) ((q n tl tr) t))
(cond ((and (fx=? m n) (fx=? p q))
(and (disjoint? sl tl) (disjoint? sr tr)))
((and (branching-bit-higher? m n) (match-prefix? q p m))
(if (zero-bit? q m)
(disjoint? sl t)
(disjoint? sr t)))
((and (branching-bit-higher? n m) (match-prefix? p q n))
(if (zero-bit? p n)
(disjoint? s tl)
(disjoint? s tr)))
(else #t)))))) ; the prefixes disagree
(disjoint? trie1 trie2)))
;;;; Subtrie operations
;; Return a trie containing all the elements of `trie' which are
;; less than k, if `inclusive' is false, or less than or equal to
;; k if `inclusive' is true.
;; Runs in O(min(n, W)) time.
(define (subtrie< trie k inclusive)
(letrec
((split
(lambda (t)
(cond ((not t) #f)
((leaf? t)
(let*-leaf (((p bm) t))
(leaf p (bitmap-split< k inclusive p bm))))
(else
(let*-branch (((p m l r) t))
(if (match-prefix? k p m)
(if (zero-bit? k m)
(split l)
(trie-union l (split r)))
(and (fx<? p k) t))))))))
(if (and (branch? trie) (fxnegative? (branch-branching-bit trie)))
(if (fxnegative? k)
(split (branch-right trie))
(trie-union (split (branch-left trie)) (branch-right trie)))
(split trie))))
;; Return a bitmap containing all elements in `bitmap' that are
;; less than/less than or equal to k.
(define (bitmap-split< k inclusive prefix bitmap)
(let ((kp (iprefix k)) (kb (ibitmap k)))
(cond ((fx>? kp prefix) bitmap)
((fx=? kp prefix)
(fxand bitmap
(fx- (if inclusive
(fxarithmetic-shift kb 1)
kb)
1)))
(else 0))))
;; Return a trie containing all the elements of `trie' which are
;; greater than k, if `inclusive' is false, or greater than or equal
;; to k if `inclusive' is true.
;; Runs in O(min(n, W)) time.
(define (subtrie> trie k inclusive)
(letrec
((split
(lambda (t)
(cond ((not t) #f)
((leaf? t)
(let*-leaf (((p bm) t))
(leaf p (bitmap-split> k inclusive p bm))))
(else
(let*-branch (((p m l r) t))
(if (match-prefix? k p m)
(if (zero-bit? k m)
(trie-union (split l) r)
(split r))
(and (fx>? p k) t))))))))
(if (and (branch? trie) (fxnegative? (branch-branching-bit trie)))
(if (fxnegative? k)
(trie-union (split (branch-right trie)) (branch-left trie))
(split (branch-left trie)))
(split trie))))
;; Return a bitmap containing all elements in `bitmap' that are
;; greater than/greater than or equal to `k'.
(define (bitmap-split> k inclusive prefix bitmap)
(let ((kp (iprefix k)) (kb (ibitmap k)))
(cond ((fx<? kp prefix) bitmap)
((fx=? kp prefix)
(fxand bitmap
(fxneg (if inclusive
kb
(fxarithmetic-shift kb 1)))))
(else 0))))
;; Return a trie containing all the elements of `trie' which are
;; greater than/greater than or equal to a and less than/less than
;; or equal to b, depending on the truth values of
;; low-/high-inclusive.
(define (subtrie-interval trie a b low-inclusive high-inclusive)
(letrec
((interval
(lambda (t)
(cond ((not t) #f)
((leaf? t)
(let*-leaf (((p bm) t))
(leaf p
(bitmap-interval p bm a b low-inclusive high-inclusive))))
(else (branch-interval t)))))
(branch-interval
(lambda (t)
(let*-branch (((p m l r) t))
(if (match-prefix? a p m)
(if (zero-bit? a m)
(if (match-prefix? b p m)
(if (zero-bit? b m)
(interval l) ; all x < b is in l
(trie-union (subtrie> l a low-inclusive)
(subtrie< r b high-inclusive)))
;; everything or nothing is less than b
(and (fx<? b p)
(trie-union (subtrie> l a low-inclusive) r)))
(interval r)) ; all x > b is in r
;; everything or nothing is greater than a
(and (fx>? p a) (subtrie< t b high-inclusive)))))))
(if (and (branch? trie) (fxnegative? (branch-branching-bit trie)))
(cond ((and (fxnegative? a) (fxnegative? b))
(interval (branch-right trie)))
((and (fxpositive? a) (fxpositive? b))
(interval (branch-left trie)))
;; (a, 0) U (0, b)
(else (trie-union
(subtrie> (branch-right trie) a low-inclusive)
(subtrie< (branch-left trie) b high-inclusive))))
(interval trie))))
;; Return a bitmap containing the elements of bitmap that are within
;; the interval defined by a, b.
(define (bitmap-interval prefix bitmap low high low-inclusive high-inclusive)
(let ((lp (iprefix low))
(lb (ibitmap low))
(hp (iprefix high))
(hb (ibitmap high)))
(let ((low-mask (fxneg (if low-inclusive ; mask everything above `low'
lb
(fxarithmetic-shift lb 1))))
(high-mask (fx- (if high-inclusive ; mask everything below `high'
(fxarithmetic-shift hb 1)
hb)
1)))
(cond ((fx<? prefix hp)
(cond ((fx<? prefix lp) 0)
((fx>? prefix lp) bitmap)
(else (fxand low-mask bitmap))))
((fx>? prefix hp) 0)
(else (fxand (fxand low-mask high-mask) bitmap))))))
)
(begin
(define-record-type <iset>
(raw-iset trie)
iset?
(trie iset-trie))
;;;; Constructors
(define (iset . args)
(list->iset args))
(define (pair-or-null? x)
(or (pair? x) (null? x)))
(define (list->iset ns)
(assume (pair-or-null? ns))
(raw-iset
(fold (lambda (n t)
(assume (valid-integer? n))
(trie-insert t n))
#f
ns)))
(define (list->iset! set ns)
(assume (iset? set))
(assume (pair-or-null? ns))
(raw-iset (fold (lambda (n t)
(assume (valid-integer? n))
(trie-insert t n))
(iset-trie set)
ns)))
(define (iset-unfold stop? mapper successor seed)
(assume (procedure? stop?))
(assume (procedure? mapper))
(assume (procedure? successor))
(let lp ((trie #f) (seed seed))
(if (stop? seed)
(raw-iset trie)
(let ((n (mapper seed)))
(assume (valid-integer? n))
(lp (trie-insert trie n) (successor seed))))))
;; TODO: Optimize step = 1 case.
(define make-range-iset
(case-lambda
((start end) (make-range-iset start end 1)) ; TODO: Tune this case.
((start end step)
(assume (valid-integer? start))
(assume (valid-integer? end))
(assume (valid-integer? step))
(assume (if (< end start)
(negative? step)
(not (zero? step)))
"Invalid step value.")
(let ((stop? (if (positive? step)
(lambda (i) (>= i end))
(lambda (i) (<= i end)))))
(iset-unfold stop?
values
(lambda (i) (+ i step))
start)))))
;;;; Predicates
(define (iset-contains? set n)
(assume (iset? set))
(assume (valid-integer? n))
(trie-contains? (iset-trie set) n))
(define (iset-empty? set)
(assume (iset? set))
(not (iset-trie set)))
(define (iset-disjoint? set1 set2)
(assume (iset? set1))
(assume (iset? set2))
(trie-disjoint? (iset-trie set1) (iset-trie set2)))
;;;; Accessors
(define (iset-member set elt default)
(if (iset-contains? set elt)
elt
default))
(define (iset-min set)
(assume (iset? set))
(trie-min (iset-trie set)))
(define (iset-max set)
(assume (iset? set))
(trie-max (iset-trie set)))
;;;; Updaters
(define iset-adjoin
(case-lambda
((set n)
(assume (iset? set))
(assume (valid-integer? n))
(raw-iset (trie-insert (iset-trie set) n)))
((set . ns)
(raw-iset
(fold (lambda (n t)
(assume (valid-integer? n))
(trie-insert t n))
(iset-trie set)
ns)))))
(define (iset-adjoin! set . ns)
(apply iset-adjoin set ns))
(define iset-delete
(case-lambda
((set n)
(assume (iset? set))
(assume (valid-integer? n))
(raw-iset (trie-delete (iset-trie set) n)))
((set . ns) (iset-delete-all set ns))))
(define (iset-delete! set n) (iset-delete set n))
(define (iset-delete-all set ns)
(assume (iset? set))
(assume (or (pair? ns) (null? ns)))
(iset-difference set (list->iset ns)))
(define (iset-delete-all! set ns)
(iset-delete-all set ns))
;; Thanks to the authors of SRFI 146 for providing examples
;; of how to implement this shoggoth.
(define (iset-search set elt failure success)
(assume (iset? set))
(assume (valid-integer? elt))
(assume (procedure? failure))
(assume (procedure? success))
(call-with-current-continuation
(lambda (return)
(let-values
(((trie obj)
(trie-search (iset-trie set)
elt
(lambda (insert ignore)
(failure insert
(lambda (obj)
(return set obj))))
(lambda (key update remove)
(success
key
(lambda (new obj)
(assume (valid-integer? new))
(if (fx=? key new)
(update new obj)
(return (iset-adjoin (iset-delete set key)
new)
obj)))
remove)))))
(values (raw-iset trie) obj)))))
(define (iset-search! set elt failure success)
(iset-search set elt failure success))
(define (iset-delete-min set)
(assume (iset? set))
(let*-values (((trie) (iset-trie set))
((n trie*) (trie-delete-min trie)))
(values n (raw-iset trie*))))
(define (iset-delete-max set)
(assume (iset? set))
(let*-values (((trie) (iset-trie set))
((n trie*) (trie-delete-max trie)))
(values n (raw-iset trie*))))
(define (iset-delete-min! set) (iset-delete-min set))
(define (iset-delete-max! set) (iset-delete-max set))
;;;; The whole iset
(define (iset-size set)
(assume (iset? set))
(trie-size (iset-trie set)))
(define (iset-find pred set failure)
(assume (procedure? failure))
(call-with-current-continuation
(lambda (return)
(or (iset-fold (lambda (n _)
(and (pred n) (return n)))
#f
set)
(failure)))))
(define (iset-count pred set)
(assume (procedure? pred))
(iset-fold (lambda (n acc)
(if (pred n) (+ 1 acc) acc))
0
set))
(define (iset-any? pred set)
(assume (procedure? pred))
(call-with-current-continuation
(lambda (return)
(iset-fold (lambda (n _)
(and (pred n) (return #t)))
#f
set))))
(define (iset-every? pred set)
(assume (procedure? pred))
(call-with-current-continuation
(lambda (return)
(iset-fold (lambda (n _)
(or (pred n) (return #f)))
#t
set))))
;;;; Mapping and folding
(define (iset-map proc set)
(assume (procedure? proc))
(raw-iset
(iset-fold (lambda (n t)
(let ((n* (proc n)))
(assume (valid-integer? n*))
(trie-insert t (proc n))))
#f
set)))
(define (unspecified)
(if #f #f))
(define (iset-for-each proc set)
(assume (procedure? proc))
(iset-fold (lambda (n _)
(proc n)
(unspecified))
(unspecified)
set))
(define (iset-fold proc nil set)
(assume (procedure? proc))
(assume (iset? set))
(trie-fold proc nil (iset-trie set)))
(define (iset-fold-right proc nil set)
(assume (procedure? proc))
(assume (iset? set))
(trie-fold-right proc nil (iset-trie set)))
(define (iset-filter pred set)
(assume (procedure? pred))
(assume (iset? set))
(raw-iset (trie-filter pred (iset-trie set))))
(define (iset-remove pred set)
(assume (procedure? pred))
(assume (iset? set))
(raw-iset (trie-filter (lambda (n) (not (pred n))) (iset-trie set))))
(define (iset-partition pred set)
(assume (procedure? pred))
(assume (iset? set))
(let-values (((tin tout) (trie-partition pred (iset-trie set))))
(values (raw-iset tin) (raw-iset tout))))
(define (iset-partition! pred set)
(iset-partition pred set))
;;;; Copying and conversion
(define (iset-copy set)
(assume (iset? set))
(raw-iset (copy-trie (iset-trie set))))
(define (iset->list set)
(iset-fold-right cons '() set))
;;;; Comparison
(define (iset=? set1 set2 . sets)
(assume (iset? set1))
(let ((iset-eq1 (lambda (set)
(assume (iset? set))
(or (eqv? set1 set)
(trie=? (iset-trie set1) (iset-trie set))))))
(and (iset-eq1 set2)
(or (null? sets)
(every iset-eq1 sets)))))
(define (iset<? set1 set2 . sets)
(assume (iset? set1))
(assume (iset? set2))
(let lp ((t1 (iset-trie set1)) (t2 (iset-trie set2)) (sets sets))
(and (trie-proper-subset? t1 t2)
(or (null? sets)
(lp t2 (iset-trie (car sets)) (cdr sets))))))
(define (iset>? set1 set2 . sets)
(assume (iset? set1))
(assume (iset? set2))
(let lp ((t1 (iset-trie set1)) (t2 (iset-trie set2)) (sets sets))
(and (trie-proper-subset? t2 t1)
(or (null? sets)
(lp t2 (iset-trie (car sets)) (cdr sets))))))
(define (iset<=? set1 set2 . sets)
(assume (iset? set1))
(assume (iset? set2))
(let lp ((t1 (iset-trie set1)) (t2 (iset-trie set2)) (sets sets))
(and (memv (trie-subset-compare t1 t2) '(less equal))
(or (null? sets)
(lp t2 (iset-trie (car sets)) (cdr sets))))))
(define (iset>=? set1 set2 . sets)
(assume (iset? set1))
(assume (iset? set2))
(let lp ((t1 (iset-trie set1)) (t2 (iset-trie set2)) (sets sets))
(and (memv (trie-subset-compare t1 t2) '(greater equal))
(or (null? sets)
(lp t2 (iset-trie (car sets)) (cdr sets))))))
;;;; Set theory operations
(define iset-union
(case-lambda
((set1 set2)
(assume (iset? set1))
(assume (iset? set2))
(raw-iset (trie-union (iset-trie set1) (iset-trie set2))))
((set . rest)
(raw-iset (fold (lambda (s t)
(assume (iset? s))
(trie-union (iset-trie s) t))
(iset-trie set)
rest)))))
(define (iset-union! set . rest)
(apply iset-union set rest))
(define iset-intersection
(case-lambda
((set1 set2)
(assume (iset? set1))
(assume (iset? set2))
(raw-iset (trie-intersection (iset-trie set1) (iset-trie set2))))
((set . rest)
(assume (iset? set))
(raw-iset (fold (lambda (s t)
(assume (iset? s))
(trie-intersection (iset-trie s) t))
(iset-trie set)
rest)))))
(define (iset-intersection! set . rest)
(apply iset-intersection set rest))
(define iset-difference
(case-lambda
((set1 set2) ; fast path
(assume (iset? set1))
(assume (iset? set2))
(raw-iset (trie-difference (iset-trie set1) (iset-trie set2))))
((set . rest)
(assume (iset? set))
(raw-iset
(trie-difference (iset-trie set)
(iset-trie (apply iset-union rest)))))))
(define (iset-difference! set . rest)
(apply iset-difference set rest))
(define (iset-xor set1 set2)
(assume (iset? set1))
(assume (iset? set2))
(if (eqv? set1 set2) ; quick check
(iset)
(raw-iset
(trie-xor (iset-trie set1) (iset-trie set2)))))
(define (iset-xor! set1 set2) (iset-xor set1 set2))
;;;; Subsets
(define (isubset= set k)
(if (iset-contains? set k) (iset k) (iset)))
(define (iset-open-interval set low high)
(assume (valid-integer? low))
(assume (valid-integer? high))
(assume (fx>=? high low))
(raw-iset (subtrie-interval (iset-trie set) low high #f #f)))
(define (iset-closed-interval set low high)
(assume (valid-integer? low))
(assume (valid-integer? high))
(assume (fx>=? high low))
(raw-iset (subtrie-interval (iset-trie set) low high #t #t)))
(define (iset-open-closed-interval set low high)
(assume (valid-integer? low))
(assume (valid-integer? high))
(assume (fx>=? high low))
(raw-iset (subtrie-interval (iset-trie set) low high #f #t)))
(define (iset-closed-open-interval set low high)
(assume (valid-integer? low))
(assume (valid-integer? high))
(assume (fx>=? high low))
(raw-iset (subtrie-interval (iset-trie set) low high #t #f)))
(define (isubset< set k)
(assume (iset? set))
(assume (valid-integer? k))
(raw-iset (subtrie< (iset-trie set) k #f)))
(define (isubset<= set k)
(assume (iset? set))
(assume (valid-integer? k))
(raw-iset (subtrie< (iset-trie set) k #t)))
(define (isubset> set k)
(assume (iset? set))
(assume (valid-integer? k))
(raw-iset (subtrie> (iset-trie set) k #f)))
(define (isubset>= set k)
(assume (iset? set))
(assume (valid-integer? k))
(raw-iset (subtrie> (iset-trie set) k #t)))
)
)
| true |
340774a5ca0c6cacbffa88937e3ffdd74498cef1
|
923209816d56305004079b706d042d2fe5636b5a
|
/sitelib/http/header-field/user-agent.scm
|
8be467ab7c1e82a83e5301fd891d81085019d265
|
[
"BSD-3-Clause",
"BSD-2-Clause"
] |
permissive
|
tabe/http
|
4144cb13451dc4d8b5790c42f285d5451c82f97a
|
ab01c6e9b4e17db9356161415263c5a8791444cf
|
refs/heads/master
| 2021-01-23T21:33:47.859949 | 2010-06-10T03:36:44 | 2010-06-10T03:36:44 | 674,308 | 1 | 0 | null | null | null | null |
UTF-8
|
Scheme
| false | false | 403 |
scm
|
user-agent.scm
|
(library (http header-field user-agent)
(export User-Agent)
(import (rnrs (6))
(http abnf)
(only (http basic-rule) comment)
(only (http product-token) product))
;;; 14.43 User-Agent
;; User-Agent = "User-Agent" ":" 1*( product | comment )
(define User-Agent
(seq (string->rule "User-Agent") (char->rule #\:) (rep* (seq *LWS (bar product comment)))))
)
| false |
850080a1a56d6ac6923d428c6bf14fc9901a4682
|
a8216d80b80e4cb429086f0f9ac62f91e09498d3
|
/lib/chibi/highlight.scm
|
862fb1c32f191f26115c0b8486536ab2cb1c8b41
|
[
"BSD-3-Clause"
] |
permissive
|
ashinn/chibi-scheme
|
3e03ee86c0af611f081a38edb12902e4245fb102
|
67fdb283b667c8f340a5dc7259eaf44825bc90bc
|
refs/heads/master
| 2023-08-24T11:16:42.175821 | 2023-06-20T13:19:19 | 2023-06-20T13:19:19 | 32,322,244 | 1,290 | 223 |
NOASSERTION
| 2023-08-29T11:54:14 | 2015-03-16T12:05:57 |
Scheme
|
UTF-8
|
Scheme
| false | false | 17,004 |
scm
|
highlight.scm
|
;; highlight.scm -- source code highlighting library
;; Copyright (c) 2011 Alex Shinn. All rights reserved.
;; BSD-style license: http://synthcode.com/license.txt
;;> Library for highlighting source code in different
;;> languages. Currently supports Scheme, C and Assembly.
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(define (string-concatenate-reverse ls)
(string-concatenate (reverse ls)))
(define (reverse-list->string ls)
(list->string (reverse ls)))
;;> Returns an sxml structure representing the code from source
;;> with various language constructs wrapped in highlighting
;;> forms. \var{source} should be a string or port. The
;;> language to highlight for is auto-detected.
(define (highlight source)
(let ((str (if (string? source) source (port->string source))))
((highlighter-for (highlight-detect-language str)) str)))
;;> Attempst to auto-detect which language \var{str} is code
;;> for, and returns a symbol representing that language.
(define (highlight-detect-language str)
(cond
((protect (exn (else #f))
(call-with-input-string str
(lambda (in) (do ((x #f (read in))) ((eof-object? x)))))
#t)
'scheme)
(else
'c)))
;;> Return a procedure for highlighting the given language.
(define (highlighter-for language)
(case language
((scheme) highlight-scheme)
((asm) highlight-assembly)
((none) (lambda (x) x))
(else highlight-c)))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(define highlight-themes
'((light
(keyword . "#800080")
(type . "#008000")
(function . "#0000FF")
(variable . "#B8860B")
(comment . "#FF0000")
(string . "#BC8F8F")
(attribute . "#FF5000")
(preprocessor . "#FF00FF")
(builtin . "#FF00FF")
(character . "#0055AA")
(syntaxerror . "#FF0000")
(diff-deleted . "#5F2121")
(diff-added . "#215F21")
)))
(define highlight-paren-styles
;;'("#BAFFFF" "#FFCACA" "#FFFFBA" "#CACAFF" "#CAFFCA" "FFBAFF")
'("#AAAAAA" "#888888" "#666666" "#444444" "#222222" "#000000"))
;;> Returns a string representing the CSS needed for the output
;;> of \var{highlight}. This should be included in a referenced
;;> CSS file, or in a \var{<script>} section in the generated in
;;> the generated HTML output.
(define (highlight-style . theme)
(string-concatenate
(append
(map
(lambda (x)
(if (and (list? x) (= 3 (length x)))
(string-append
"." (symbol->string (car x)) " { color: " (cadr x)
"; background-color: " (car (cddr x)) "; }\n")
(string-append
"." (symbol->string (car x)) " { color: "
(if (pair? (cdr x)) (cadr x) (cdr x))
"; background-color: inherit; }\n")))
(cond ((assq (and (pair? theme) (car theme)) highlight-themes) => cdr)
(else (cdar highlight-themes))))
(map
(lambda (s i)
(string-append
;;"span.paren" (number->string i)
;;":hover { color: inherit; background-color: " s "; }\n"
"span.paren" (number->string i)
" { color: " s "; background-color: inherit; }\n"))
highlight-paren-styles
(cdr (iota (+ 1 (length highlight-paren-styles))))))))
(define (highlight-class class x)
`(span (@ (class . ,class)) ,@(if (list? x) x (list x))))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(define (read-whitespace in)
(let lp ((res '()))
(if (char-whitespace? (peek-char in))
(lp (cons (read-char in) res))
(reverse-list->string res))))
(define (read-to-whitespace in res)
(let ((c (peek-char in)))
(cond
((or (eof-object? c) (char-whitespace? c))
(reverse-list->string res))
(else
(read-to-whitespace in (cons (read-char in) res))))))
(define (read-escaped in term ls)
(let ((c (read-char in)))
(cond
((eof-object? c) (reverse-list->string ls))
((eqv? c term) (reverse-list->string (cons c ls)))
(else (read-escaped in term (cons c ls))))))
(define (read-to-eol in ls)
(let ((c (read-char in)))
(cond
((eof-object? c) (reverse-list->string ls))
((eqv? c #\newline) (reverse-list->string (cons c ls)))
(else (read-to-eol in (cons c ls))))))
(define (collect str res)
(if (pair? str) (cons (reverse-list->string str) res) res))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(define (highlight-scheme-delimiter? ch)
(or (eof-object? ch)
(char-whitespace? ch)
(memq ch '(#\; #\# #\( #\) #\[ #\] #\{ #\} #\' #\` #\, #\"))))
(define (highlight-scheme-definition? id)
(memq id '(define define-syntax define-module define-class
define-record define-record-type)))
(define (highlight-scheme-syntax? id)
(memq id '(if lambda define set! cond case let let* letrec letrec*
let-values let-values* let-optionals let-optionals*
let-keywords let-keywords* and-let* rec receive do
loop rxmatch-cond rxmatch-case begin when unless
match match-lambda match-let match-let* dotimes dolist
quote quasiquote unquote unquote-splicing error errorf
define-syntax let-syntax letrec-syntax syntax-rules
syntax-case parameterize module library require
require-extension use use-modules import import-immutable
define-module select-module provide autoload export
only except rename prefix drop-prefix alias-for
include include-ci include-shared
condition-case guard protect cond-expand for with to by
in-list in-lists in-string in-string-reverse
in-vector in-vector-reverse in-file listing appending
summing multpliying up-from down-from else
)))
;;> Highlighter for Scheme source code.
(define (highlight-scheme source)
(let ((in (if (string? source) (open-input-string source) source)))
(define (read-identifier ls)
(let ((c (peek-char in)))
(cond
((highlight-scheme-delimiter? c)
(reverse-list->string ls))
(else
(read-char in)
(read-identifier (cons c ls))))))
(define (hash-mark)
(let ((c (read-char in)))
(case c
((#\;)
(highlight-class "comment" (highlight 0 '(#\; #\#) '())))
((#\\)
(highlight-class "string"
(read-identifier (list (read-char in) #\\ #\#))))
(else
(string-append "#" (if (char? c) (string c) ""))))))
(define (highlight n str res)
(let ((c (read-char in)))
(if (eof-object? c)
(reverse (collect str res))
(case c
((#\;)
(let lp ((ls '()))
(let ((ls (cons (read-to-eol in (list #\;)) ls)))
(cond
((eqv? #\; (peek-char in))
(lp ls))
(else
(highlight n
'()
(cons (highlight-class
"comment"
(string-concatenate-reverse ls))
(collect str res))))))))
((#\")
(let ((s (read-escaped in #\" (list #\"))))
(highlight n
'()
(cons (highlight-class "string" s)
(collect str res)))))
((#\()
;;(highlight-start
;; (string->symbol
;; (string-append
;; "paren"
;; (number->string
;; (+ 1 (modulo n (length highlight-paren-styles))))))
;;out)
(let ((res (collect (cons #\( str) res)))
(if (highlight-scheme-delimiter? (peek-char in))
(highlight (+ n 1) '() res)
(let* ((id (read-identifier '()))
(sym (string->symbol id)))
(cond
((highlight-scheme-definition? sym)
(let* ((res (cons (highlight-class "keyword" id) res))
(res (cons (read-whitespace in) res))
(res (if (eqv? #\( (peek-char in))
(cons (string (read-char in)) res)
res)))
(highlight
(+ n 1)
'()
(cons
(highlight-class "function" (read-identifier '()))
res))))
((highlight-scheme-syntax? sym)
(highlight (+ n 1)
'()
(cons (highlight-class "keyword" id) res)))
(else
(highlight (+ n 1) '() (cons id res))))))))
((#\))
(cond
((zero? n)
(highlight n
'()
(cons (highlight-class "syntaxerror" ")")
(collect str res))))
(else
;;(highlight-end 'paren
(highlight (- n 1) (cons c str) res))))
((#\#)
(highlight n '() (cons (hash-mark) (collect str res))))
(else
(cond
((highlight-scheme-delimiter? c)
(highlight n (cons c str) res))
(else
(let ((id (read-identifier (list c))))
(highlight n '() (cons `(span ,id) (collect str res)))))))))))
(highlight 0 '() '())))
(define (highlight-c-keyword? id)
(memq id '(asm break case catch const_cast continue default delete
do dynamic_cast else explicit export false for friend goto
if mutable namespace new operator private protected public
register reinterpret_cast return sizeof static_cast switch
template this throw true try typedef typeid typename using
virtual while)))
(define (highlight-c-type? id)
(memq id '(auto bool char class const double enum extern float inline int long
short signed static struct union unsigned void volatile wchar_t
sexp sexp_uint_t sexp_sint_t)))
;;> Highlighter for C source code.
(define (highlight-c source)
(let ((in (if (string? source) (open-input-string source) source)))
(define (char-c-initial? c)
(and (char? c) (or (char-alphabetic? c) (eqv? c #\_) (eqv? c #\$))))
(define (char-c-identifier? c)
(and (char? c) (or (char-c-initial? c) (char-numeric? c))))
(define (read-identifier in ls)
(let ((c (peek-char in)))
(if (char-c-identifier? c)
(read-identifier in (cons (read-char in) ls))
(reverse-list->string ls))))
(define (highlight-identifier id)
(let ((sym (string->symbol id)))
(cond
((highlight-c-keyword? sym)
(highlight-class "keyword" id))
((highlight-c-type? sym)
(highlight-class "type" id))
(else
id))))
(define (highlight-line res)
(highlight
'()
(cond
((eqv? #\# (peek-char in))
(read-char in)
(let* ((res (cons (read-whitespace in) (cons "#" res)))
(id (read-identifier in '()))
(res (cons (read-whitespace in)
(cons (highlight-class "preprocessor" id) res))))
(case (string->symbol id)
((define)
(cons (highlight-class "function" (read-to-whitespace in '())) res))
((include import)
(cons (highlight-class "string" (read-to-whitespace in '())) res))
(else
res))))
((char-c-initial? (peek-char in))
;; line beginning w/ an identifier is probably a
;; function declaration
(let ((id1 (read-identifier in '())))
(cond
((eqv? #\: (peek-char in))
(cons (highlight-class "function" id1) res))
(else
(let lp ((decls '())
(id id1))
(let ((space (read-whitespace in)))
(cond
((char-c-initial? (peek-char in))
(lp (cons space (cons id decls))
(read-identifier in '())))
((eqv? #\( (peek-char in))
`(,space
,(highlight-class "function" id)
,(highlight-class "type" (reverse decls))
,@res))
(else
`(,space ,id ,@decls ,@res)))))))))
(else
res))))
(define (highlight str res)
(let ((c (read-char in)))
(if (eof-object? c)
(reverse (collect str res))
(case c
((#\/)
(case (peek-char in)
((#\/)
(highlight
'()
(cons (highlight-class "comment" (read-to-eol in '(#\/ #\/)))
(collect str res))))
((#\*)
(let lp ((ls (cons (read-char in) '(#\/))))
(let ((c (read-char in)))
(if (not (and (eqv? (car ls) #\*) (eqv? c #\/)))
(lp (cons c ls))
(highlight
'()
(cons (highlight-class "comment"
(reverse-list->string ls))
(collect str res)))))))
(else
(highlight (cons c str) res))))
((#\" #\')
(let ((res (collect str res))
(s (read-escaped in c (list c))))
(highlight '() (cons (highlight-class "string" s) res))))
((#\newline)
(highlight-line (collect (cons #\newline str) res)))
(else
(cond
((char-c-initial? c)
(highlight
'()
(cons
(let ((id (read-identifier in (list c))))
(if (eqv? #\: (peek-char in))
(highlight-class "function" id)
(highlight-identifier id)))
(collect str res))))
(else
(highlight (cons c str) res))))))))
(highlight-line '())))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;> Highlighter for Assembly source code.
(define (highlight-assembly source)
(let ((in (if (string? source) (open-input-string source) source)))
(define (char-asm-initial? c)
(and (char? c) (or (char-alphabetic? c) (memv c '(#\_ #\$ #\.)))))
(define (char-asm-identifier? c)
(and (char? c) (or (char-asm-initial? c) (char-numeric? c))))
(define (read-identifier in ls)
(let ((c (peek-char in)))
(if (char-asm-identifier? c)
(read-identifier (cons (read-char in) ls))
(reverse-list->string ls))))
(define (highlight str res)
(let ((c (read-char in)))
(cond
((eof-object? c)
(reverse (collect str res)))
(else
(case c
((#\newline)
(highlight-line (collect str res)))
((#\")
(let ((s (read-escaped in c (list c))))
(highlight
'()
(cons (highlight-class "string" s) (collect str res)))))
((#\%)
(highlight
'()
(cons (highlight-class "variable" (read-identifier in (list c)))
(collect str res))))
((#\;)
(highlight
'()
(cons (highlight-class "comment" (read-to-eol in (list c)))
(collect str res))))
(else
(highlight (cons c str) res)))))))
(define (highlight-line res)
(cond
((eof-object? (peek-char in))
(highlight '() res))
((char-asm-initial? (peek-char in))
(let ((id (read-identifier in '())))
(highlight
'()
(cons
(if (eqv? #\: (peek-char in))
(highlight-class "function" id)
(highlight-class "keyword" id))
res))))
((eqv? #\tab (peek-char in))
(highlight
'()
(cons (highlight-class "keyword" (read-identifier in '()))
(cons "\t" res))))
(else
(highlight '() res))))
(highlight-line '())))
| true |
2e4aa6834bdbeec4a10c844e47305dfc83c04a8c
|
681616420303997af5c52d5711e03c897cdba97e
|
/srfi-194-test.scm
|
843f1913d977359724977ef65470c618fa8ddfab
|
[] |
no_license
|
scheme-requests-for-implementation/srfi-194
|
1cafcfb7ab081a3b563c2ed2eb0d9d87ca20fa05
|
f7ea8789aa343863b52620b113a3451bea955aa2
|
refs/heads/master
| 2023-03-08T16:01:22.829546 | 2023-03-06T20:38:36 | 2023-03-06T20:38:36 | 261,225,016 | 1 | 6 | null | 2023-03-06T20:38:37 | 2020-05-04T15:35:24 |
Scheme
|
UTF-8
|
Scheme
| false | false | 21,349 |
scm
|
srfi-194-test.scm
|
;; NOTE: for zipf tests data can be exported, this can be enabled by uncommenting appropriate lines.
(import
(scheme base)
(scheme inexact)
(scheme complex)
(scheme cxr)
(scheme file)
(scheme write)
(srfi 1)
(srfi 27)
(srfi 133)
(srfi 194))
(cond-expand
((library (srfi 158)) (import (srfi 158)))
((library (srfi 121)) (import (srfi 121))))
(cond-expand
(chibi (begin
(import (except (chibi test) test-equal))
(define-syntax test-equal
(syntax-rules ()
((_ args ...) (test args ...))))
(define-syntax test-approximate
(syntax-rules ()
((_ target value max-delta)
(test-assert (and (<= value (+ target max-delta))
(>= value (- target max-delta)))))))))
(else (import (srfi 64))))
;; syntax just we can plop it at top and still allow internal `define`s
(define-syntax reset-source!
(syntax-rules ()
((_)
(define _ (random-source-pseudo-randomize! (current-random-source) 0 0)))))
(define (reset-source!*)
(random-source-pseudo-randomize! (current-random-source) 0 0))
(define (assert-number-generator/all-in-range gen from to)
(test-assert
(generator-every
(lambda (num)
(and (>= num from)
(< num to)))
(gtake gen 1000))))
(define (assert-number-generator gen from to)
(define range (- to from))
(define lower-quarter (+ from (* 0.25 range)))
(define upper-quarter (- to (* 0.25 range)))
(assert-number-generator/all-in-range gen from to)
(test-assert
(generator-any
(lambda (num)
(and (>= num from)
(< num lower-quarter)))
(gtake gen 1000)))
(test-assert
(generator-any
(lambda (num)
(and (>= num lower-quarter)
(< num upper-quarter)))
(gtake gen 1000)))
(test-assert
(generator-any
(lambda (num)
(and (>= num upper-quarter)
(< num to)))
(gtake gen 1000))))
(define (assert-int-generator gen byte-size signed?)
(define from (if signed?
(- (expt 2 (- byte-size 1)))
0))
(define to (if signed?
(expt 2 (- byte-size 1))
(expt 2 byte-size)))
(assert-number-generator gen from to))
(test-begin "srfi-194")
(test-group "Test clamp real number"
(reset-source!)
(test-equal 10.0 (clamp-real-number 5.0 10.0 11))
(test-equal 5.0 (clamp-real-number 5.0 10.0 2.0))
(test-equal 7.5 (clamp-real-number 5.0 10.0 7.5)))
(test-group "Test with-random-source basic syntax"
(reset-source!)
(with-random-source default-random-source
(lambda () (make-random-integer-generator 0 10))))
;; testing random source, which is implementation specific
(cond-expand
(gauche
(import
(gauche base)
(math mt-random))
(test-group "Test with-random-source"
(reset-source!)
;;create and consume generators that are made with different source
;;with various order, and check that order doesn't change the outcome
(define (test-multiple-sources gen1-maker gen1-expect
gen2-maker gen2-expect)
;;create gen1, consume gen1, create gen2, consume gen2
(let ((gen1 (gen1-maker)))
(test-equal (generator->list gen1) gen1-expect)
(let ((gen2 (gen2-maker)))
(test-equal (generator->list gen2) gen2-expect)))
;;create gen1, create gen2, consume gen1, consume gen2
(let ((gen1 (gen1-maker))
(gen2 (gen2-maker)))
(test-equal (generator->list gen1) gen1-expect)
(test-equal (generator->list gen2) gen2-expect)))
(define multiple-sources-testcase
(list (lambda ()
(gtake (with-random-source
(make <mersenne-twister> :seed 0)
(lambda () (make-random-integer-generator 0 10)))
5))
'(5 5 7 8 6)
(lambda ()
(gtake (with-random-source
(make <mersenne-twister> :seed 1)
(lambda () (make-random-integer-generator 0 10)))
5))
'(4 9 7 9 0)))
(apply test-multiple-sources multiple-sources-testcase))))
(test-group "Test make-random-source-generator"
(reset-source!)
(define (make-numbers src-gen)
(define gen1 (with-random-source (src-gen) (lambda () (make-random-integer-generator 0 100))))
(define gen2 (with-random-source (src-gen) (lambda () (make-random-real-generator 0. 100.))))
(generator->list
(gappend
(gtake gen1 10)
(gtake gen2 10))))
(test-equal
(make-numbers (make-random-source-generator 0))
(make-numbers (make-random-source-generator 0)))
(test-assert
(not (equal? (make-numbers (make-random-source-generator 0))
(make-numbers (make-random-source-generator 1))))))
(test-group "Test random int"
(reset-source!)
(assert-number-generator
(make-random-integer-generator 1 100)
1 100)
(for-each
(lambda (testcase)
(define make-gen (car testcase))
(define byte-size (cadr testcase))
(define signed? (caddr testcase))
(assert-int-generator (make-gen) byte-size signed?))
(list
(list make-random-u8-generator 8 #f)
(list make-random-s8-generator 8 #t)
(list make-random-u16-generator 16 #f)
(list make-random-s16-generator 16 #t)
(list make-random-u32-generator 32 #f)
(list make-random-s32-generator 32 #t)
(list make-random-u64-generator 64 #f)
(list make-random-s64-generator 64 #t)))
;;test u1 separately, since it will fail quarter checks due to small range
(assert-number-generator/all-in-range (make-random-u1-generator) 0 2)
(test-assert
(generator-any
(lambda (v) (= v 0))
(gtake (make-random-u1-generator) 100)))
(test-assert
(generator-any
(lambda (v) (= v 1))
(gtake (make-random-u1-generator) 100))))
(test-group "Test random real"
(reset-source!)
(assert-number-generator
(make-random-real-generator 1.0 5.0)
1.0 5.0)
(test-assert
(generator-any
(lambda (v)
(not (= v (floor v))))
(make-random-real-generator 1.0 5.0))))
(test-group "Test complex rectangular"
(reset-source!)
(assert-number-generator
(gmap
real-part
(make-random-rectangular-generator -10.0 10.0 -100.0 100.0))
-10 10)
(assert-number-generator
(gmap
imag-part
(make-random-rectangular-generator -100.0 100.0 -10.0 10.0))
-10 10)
(test-assert
(generator-any
(lambda (num)
(and (not (= 0 (real-part num)))
(not (= 0 (imag-part num)))))
(make-random-rectangular-generator -10.0 10.0 -10.0 10.0))))
(test-group "Test complex polar"
(reset-source!)
(define PI (* 4 (atan 1.0)))
(define (test-polar g origin mag-from mag-to angle-from angle-to test-converge-origin)
(assert-number-generator
(gmap
(lambda (num)
(angle (- num origin)))
g)
angle-from angle-to)
(assert-number-generator
(gmap
(lambda (num)
(magnitude (- num origin)))
g)
mag-from mag-to)
;; split generated area through circle at 0.5*(mag-from + mag-to)
;; and validate generated points in them proportional to their area
(let* ((outter-count 0)
(inner-count 0)
(donut-area (lambda (r1 r2) (- (* r1 r1) (* r2 r2))))
(mag-mid (/ (+ mag-from mag-to) 2.))
(expected-fraction (/ (donut-area mag-to mag-mid)
(donut-area mag-mid mag-from))))
(generator-for-each
(lambda (point)
(if (< (magnitude (- point origin)) mag-mid)
(set! inner-count (+ 1 inner-count))
(set! outter-count (+ 1 outter-count))))
(gtake g 10000))
(test-approximate expected-fraction (/ outter-count inner-count) 0.2))
;; test points converge to center
(when test-converge-origin
(let ((sum 0+0i))
(generator-for-each
(lambda (point) (set! sum (+ point sum)))
(gtake g 1000))
(test-approximate (real-part origin) (real-part (/ sum 1000.)) 0.1)
(test-approximate (imag-part origin) (imag-part (/ sum 1000.)) 0.1))))
(test-polar (make-random-polar-generator 0. 1.)
0+0i 0. 1. (- PI) PI #t)
(test-polar (make-random-polar-generator 2+5i 1. 2.)
2+5i 1. 2. (- PI) PI #t)
(test-polar (make-random-polar-generator 1. 2. -1. 1.)
0+0i 1. 2. -1. 1. #f)
(test-polar (make-random-polar-generator -1+3i 0. 2. (- PI) PI)
-1+3i 0. 2. (- PI) PI #t))
(test-group "Test random bool"
(reset-source!)
(test-assert
(generator-every
(lambda (v)
(or (eq? v #t)
(eq? v #f)))
(gtake (make-random-boolean-generator) 10000)))
(test-assert
(generator-any
(lambda (v)
(eq? #t v))
(make-random-boolean-generator)))
(test-assert
(generator-any
(lambda (v)
(eq? #f v))
(make-random-boolean-generator))))
(test-group "Test random char"
(reset-source!)
(test-assert
(generator-every
(lambda (v)
(or (equal? v #\a)
(equal? v #\b)))
(gtake (make-random-char-generator "ab")
10000)))
(test-assert
(generator-any
(lambda (v)
(equal? v #\a))
(make-random-char-generator "ab")))
(test-assert
(generator-any
(lambda (v)
(equal? v #\b))
(make-random-char-generator "ab"))))
(test-group "Test random string"
(reset-source!)
(test-assert
(generator-every
(lambda (str)
(and (< (string-length str) 5)
(every (lambda (c)
(or (equal? c #\a)
(equal? c #\b)))
(string->list str))))
(gtake (make-random-string-generator 5 "ab")
10000)))
(test-assert
(generator-any
(lambda (str)
(equal? "abb" str))
(make-random-string-generator 4 "ab"))))
(test-group "Test Bernoulli"
(reset-source!)
(define g (make-bernoulli-generator 0.7))
(define expect 7000)
(define actual (generator-count
(lambda (i) (= i 1))
(gtake g 10000)))
(define ratio (inexact (/ actual expect)))
(test-assert (> ratio 0.9))
(test-assert (< ratio 1.1)))
(test-group "Test categorical"
(reset-source!)
(define result-vec (vector 0 0 0))
(define expect-vec (vector 2000 5000 3000))
(define wvec (vector 20 50 30))
(define g (make-categorical-generator wvec))
(generator-for-each
(lambda (i)
(vector-set! result-vec i (+ 1 (vector-ref result-vec i))))
(gtake g 10000))
(vector-for-each
(lambda (result expect)
(define ratio (inexact (/ result expect)))
(test-approximate 1.0 ratio 0.1))
result-vec
expect-vec))
(test-group "Test poisson"
(reset-source!)
;;TODO import from somewhere?
(define (fact k)
(cond
((<= k 1) 1)
(else (* k (fact (- k 1))))))
(define (expected-fraction L k)
(/ (* (exact (expt L k)) (exact (exp (- L))))
(fact k)))
(define (test-poisson L poisson-gen test-points)
(generator-every
(lambda (k)
(define expect (expected-fraction L k))
(define actual (/ (generator-count
(lambda (i) (= i k))
(gtake poisson-gen 10000))
10000))
(define ratio (/ actual expect))
(test-assert (> ratio 8/10))
(test-assert (< ratio 12/10)))
(list->generator test-points)))
(test-poisson 2 (make-poisson-generator 2) '(1 2 3))
(test-poisson 40 (make-poisson-generator 40) '(30 40 50))
(test-poisson 280 (make-poisson-generator 280) '(260 280 300)))
(test-group "Test normal"
(reset-source!)
(define frac-at-1dev 0.34134)
(define frac-at-2dev 0.47725)
(define frac-at-3dev 0.49865)
(define (test-normal-at-point gen count-from count-to expected-fraction)
(define actual (/ (generator-count
(lambda (n)
(and (>= n count-from)
(< n count-to)))
(gtake gen 10000))
10000.0))
(test-assert (and (> actual (* 0.9 expected-fraction))
(< actual (* 1.1 expected-fraction)))))
(define (test-normal gen mean deviation)
(test-normal-at-point gen mean (+ mean deviation) frac-at-1dev)
(test-normal-at-point gen mean (+ mean (* 2 deviation)) frac-at-2dev)
(test-normal-at-point gen mean (+ mean (* 3 deviation)) frac-at-3dev))
(test-normal (make-normal-generator) 0.0 1.0)
(test-normal (make-normal-generator 1.0) 1.0 1.0)
(test-normal (make-normal-generator 1.0 2.0) 1.0 2.0))
(test-group "Test exponential"
(reset-source!)
(define (expected-fraction mean x)
(- 1 (exp (* (- (/ 1.0 mean)) x))))
(define (test-exp-at-point gen count-to expected)
(define actual (/ (generator-count
(lambda (n)
(< n count-to))
(gtake gen 10000))
10000.0))
(test-assert (> actual (* 0.9 expected)))
(test-assert (< actual (* 1.1 expected))))
(define (test-exp gen mean)
(test-exp-at-point gen 1 (expected-fraction mean 1))
(test-exp-at-point gen 2 (expected-fraction mean 2))
(test-exp-at-point gen 3 (expected-fraction mean 3)))
(test-exp (make-exponential-generator 1) 1)
(test-exp (make-exponential-generator 1.5) 1.5))
(test-group "Test geometric"
(reset-source!)
(define (expected-fraction p x)
(* (expt (- 1 p) (- x 1)) p))
(define (test-geom-at-point gen p x)
(define expected (expected-fraction p x))
(define actual (/ (generator-count
(lambda (n)
(= n x))
(gtake gen 100000))
100000))
(define ratio (/ actual expected))
(test-assert (> ratio 0.9))
(test-assert (< ratio 1.1)))
(define (test-geom gen p)
(test-geom-at-point gen p 1)
(test-geom-at-point gen p 3)
(test-geom-at-point gen p 5))
(test-geom (make-geometric-generator 0.5) 0.5))
(test-group "Test uniform sampling"
(reset-source!)
(test-equal
'()
(generator->list (gsampling)))
(test-equal
'()
(generator->list (gsampling (generator) (generator))))
(test-equal
'(1 1 1)
(generator->list (gsampling (generator) (generator 1 1 1))))
(test-assert
(generator-any
(lambda (el)
(= el 1))
(gsampling (circular-generator 1) (circular-generator 2))))
(test-assert
(generator-any
(lambda (el)
(= el 2))
(gsampling (circular-generator 1) (circular-generator 2)))))
; See zipf-test.scm
(test-group "Test Zipf sampling"
(reset-source!)
(include "zipf-test.scm")
(zipf-test-group))
(test-group "Test sphere"
(include "sphere-test.scm")
(reset-source!*)
(test-sphere (make-sphere-generator 1) (vector 1.0 1.0) 200 #t)
(test-sphere (make-sphere-generator 2) (vector 1.0 1.0 1.0) 200 #t)
(test-sphere (make-sphere-generator 3) (vector 1.0 1.0 1.0 1.0) 200 #t)
(reset-source!*)
(test-sphere (make-ellipsoid-generator (vector 1.0 1.0)) (vector 1.0 1.0) 200 #t)
(test-sphere (make-ellipsoid-generator (vector 1.0 1.0 1.0)) (vector 1.0 1.0 1.0) 200 #t)
(test-sphere (make-ellipsoid-generator (vector 1.0 1.0 1.0 1.0)) (vector 1.0 1.0 1.0 1.0) 200 #t)
(reset-source!*)
(test-sphere (make-ellipsoid-generator (vector 1.0 3.0)) (vector 1.0 3.0) 200 #f)
(test-sphere (make-ellipsoid-generator (vector 1.0 3.0 5.0)) (vector 1.0 3.0 5.0) 200 #f)
(test-sphere (make-ellipsoid-generator (vector 1.0 3.0 5.0 7.0)) (vector 1.0 3.0 5.0 7.0) 200 #f)
(reset-source!*)
(test-ball (make-ball-generator 2) (vector 1.0 1.0))
(test-ball (make-ball-generator 3) (vector 1.0 1.0 1.0))
(test-ball (make-ball-generator (vector 1.0 3.0)) (vector 1.0 3.0))
(test-ball (make-ball-generator (vector 1.0 3.0 5.0)) (vector 1.0 3.0 5.0)))
(test-group "Test binomial"
(reset-source!)
(define (factorial n)
(if (<= n 1)
1
(* n (factorial (- n 1)))))
(define (C n k)
(/ (factorial n)
(* (factorial k) (factorial (- n k)))))
(define (expected-frac n p k)
(* (C n k) (expt p k) (expt (- 1 p) (- n k))))
(define (test-binomial n p count)
(define g (make-binomial-generator n p))
(define counts (make-vector (+ n 1) 0))
(generator-for-each
(lambda (x)
(vector-set! counts x (+ 1 (vector-ref counts x))))
(gtake g count))
(for-each
(lambda (k)
(define expected (* count (expected-frac n p k) ))
(define actual (vector-ref counts k))
(cond
((= expected 0)
(test-equal 0 actual))
;;hacky.. testing values with very low probability fails
((> expected (* 1/1000 count))
(test-approximate 1.0 (/ actual expected) 0.2))))
(iota (+ n 1))))
(test-binomial 1 0 100)
(test-binomial 1 1 100)
(test-binomial 1 0. 100)
(test-binomial 1 1. 100)
(test-binomial 10 0 100)
(test-binomial 10 1 100)
(test-binomial 10 0. 100)
(test-binomial 10 1. 100)
(test-binomial 10 0.25 100000)
(test-binomial 40 0.375 1000000))
(test-end "srfi-194")
| true |
8cd45332dc7bfc1111344fceb2a75c16b025a019
|
4f17c70ae149426a60a9278c132d5be187329422
|
/impl/base.sls
|
cc3736efc33899c34a774c49638db7165d2db77c
|
[] |
no_license
|
okuoku/yuni-core
|
8da5e60b2538c79ae0f9d3836740c54d904e0da4
|
c709d7967bcf856bdbfa637f771652feb1d92625
|
refs/heads/master
| 2020-04-05T23:41:09.435685 | 2011-01-12T15:54:23 | 2011-01-12T15:54:23 | 889,749 | 2 | 0 | null | null | null | null |
UTF-8
|
Scheme
| false | false | 457 |
sls
|
base.sls
|
(library (yuni impl base)
(export
define cond case
assertion-violation
quote else
symbol? null? pair? vector?
if let or and lambda set! unless
cons car cdr apply vector vector->list eq? list list?
length
cadr caddr cadddr
map append not + =
reverse
display newline write
)
(import (rnrs)))
| false |
f6cabdbed6fa4be1a5d05cba64fb02445774056a
|
895daaa3a466ec7f61773b892920dfbe8d78780e
|
/exercises/ch1.2-procedures-and-processes.scm
|
b05c54c886c081f7003cc1f6d6545a9c1b3718e4
|
[] |
no_license
|
jwalsh/scheme-workshop-2014
|
feac007278a4255ccdb6c82814ea18bbf646d8fa
|
32718dbdc3a83d0508f7b6110c59e7e960db7b62
|
refs/heads/master
| 2016-09-05T16:18:50.247061 | 2015-03-25T19:17:42 | 2015-03-25T19:17:42 | 26,870,183 | 0 | 0 | null | null | null | null |
UTF-8
|
Scheme
| false | false | 599 |
scm
|
ch1.2-procedures-and-processes.scm
|
;; 1B Procedures and Processes
;; Create a mechanical model for how the machine performs the
;; substitution
(define (square x) (* x x))
(define (sum-of-squares x y)
(+ (square x) (square y)))
(sum-of-squares 3 4)
;; Linear time and space for recursion of plus
(define (inc x) (+ x 1))
(define (dec x) (- x 1))
(define (plus x y)
(if (= x 0)
y
(plus (dec x) (inc y))))
(plus 3 4)
(define (expt b n)
(expt-iter b n 1))
(define (expt-iter b counter product)
(if (= counter 0)
product
(expt-iter b
(- counter 1)
(* b product))))
| false |
cabc1b86aa91636c4bdff66bc1c2a885069c0d48
|
d17943098180a308ae17ad96208402e49364708f
|
/platforms/js-vm/private/tests/benchmarks/common/mazefun.rkt
|
8c2166045976274073854492409858e7aa97a3a0
|
[] |
no_license
|
dyoo/benchmark
|
b3f4f39714cc51e1f0bc176bc2fa973240cd09c0
|
5576fda204529e5754f6e1cc8ec8eee073e2952c
|
refs/heads/master
| 2020-12-24T14:54:11.354541 | 2012-03-02T19:40:48 | 2012-03-02T19:40:48 | 1,483,546 | 1 | 0 | null | null | null | null |
UTF-8
|
Scheme
| false | false | 28 |
rkt
|
mazefun.rkt
|
(module mazefun "wrap.ss")
| false |
a50a3973a56296c93ead5c0aa2cd30da4069f8ac
|
6fe3cf1c6fabcf6020aae0df8154b1d3ffb334b1
|
/examples/pure-arith.scm
|
7a7a592b431146be41e05d7bf1ff9a4e0ec4cbb1
|
[] |
no_license
|
tonyg/pgg
|
bd4eae9196abcca94f316e0198408b9bd90a7820
|
1625eba59e529b92572cb51b3749015e793d3563
|
refs/heads/master
| 2020-06-04T04:30:57.758708 | 2012-04-11T01:11:50 | 2012-04-11T01:11:50 | 3,988,925 | 5 | 0 | null | null | null | null |
UTF-8
|
Scheme
| false | false | 112 |
scm
|
pure-arith.scm
|
(define-primitive + - pure)
(define-primitive - - pure)
(define-primitive * - pure)
(define-primitive / - pure)
| false |
ec5283207930180cea3e2a5e0151e286b4e89cba
|
382770f6aec95f307497cc958d4a5f24439988e6
|
/projecteuler/065/065.scm
|
e602182329011a20fd784e92926ff0dc9e55b47d
|
[
"Unlicense"
] |
permissive
|
include-yy/awesome-scheme
|
602a16bed2a1c94acbd4ade90729aecb04a8b656
|
ebdf3786e54c5654166f841ba0248b3bc72a7c80
|
refs/heads/master
| 2023-07-12T19:04:48.879227 | 2021-08-24T04:31:46 | 2021-08-24T04:31:46 | 227,835,211 | 1 | 0 | null | null | null | null |
UTF-8
|
Scheme
| false | false | 552 |
scm
|
065.scm
|
(define get-num
(lambda (a)
(let* ([stra (number->string a)]
[clsa (string->list stra)]
[lsa (map (lambda (x)
(- (char->integer x)
(char->integer #\0)))
clsa)])
lsa)))
(define fact
(lambda (n)
(cond
((= n 0) 2)
((= n 1) 1)
((= n 2) 2)
((or (= (remainder n 3) 0)
(= (remainder n 3) 1))
1)
(else (* (/ (+ n 1) 3) 2)))))
(define neo
(let f ([i 0])
(cond
((= i 99) (fact 99))
(else
(+ (fact i) (/ (f (+ i 1))))))))
(apply + (get-num (numerator neo)))
| false |
8a255028d8a3e91c5f3ef9003ed598da481a4308
|
84c9e7520891b609bff23c6fa3267a0f7f2b6c2e
|
/2.45.scm
|
be359bf4820c322811c413364a7fc40287d1d4e5
|
[] |
no_license
|
masaedw/sicp
|
047a4577cd137ec973dd9a7bb0d4f58d29ef9cb0
|
11a8adf49897465c4d8bddb7e1afef04876a805d
|
refs/heads/master
| 2020-12-24T18:04:01.909864 | 2014-01-23T11:10:11 | 2014-01-23T11:17:38 | 6,839,863 | 1 | 0 | null | null | null | null |
UTF-8
|
Scheme
| false | false | 792 |
scm
|
2.45.scm
|
(add-load-path ".")
(use SICP)
(define (square-of-four tl tr bl br)
(lambda (painter)
(let ((top (beside (tl painter) (tr painter)))
(bottom (beside (bl painter) (br painter))))
(below bottom top))))
(define (flipped-pairs painter)
(let ((combine4 (square-of-four identity flip-vert
identity flip-vert)))
(combine4 painter)))
(define (square-limit painter n)
(let ((combine4 (square-of-four flip-horiz identity
rotate180 flip-vert)))
(combine4 (corner-split painter n))))
(define (split p1 p2)
(define (sub painter n)
(if (= n 0)
painter
(let ((smaller (sub painter (- n 1))))
(p1 painter (p2 smaller smaller)))))
(lambda (painter n) (sub painter n)))
| false |
8958fdc349efe817b761bfe636a3eb440b62644b
|
eef5f68873f7d5658c7c500846ce7752a6f45f69
|
/test/util-srfi-71.scm
|
38e3cba27c88576468e058f1699c2989b00cf55b
|
[
"MIT"
] |
permissive
|
alvatar/spheres
|
c0601a157ddce270c06b7b58473b20b7417a08d9
|
568836f234a469ef70c69f4a2d9b56d41c3fc5bd
|
refs/heads/master
| 2021-06-01T15:59:32.277602 | 2021-03-18T21:21:43 | 2021-03-18T21:21:43 | 25,094,121 | 13 | 3 | null | null | null | null |
UTF-8
|
Scheme
| false | false | 3,604 |
scm
|
util-srfi-71.scm
|
(##spheres-load core: testing)
(##spheres-include let-multiple-macros)
;; Based on code by [email protected], 1-Aug-2005, R5RS + SRFI-71.
(check-set-mode! 'summary)
;; --- test cases for unnamed r5rs-let ---
;; form2 with one value (i.e. ordinary srfi-let)
(check (srfi-let () 1) => 1)
(check (srfi-let ((x1 1)) x1) => 1)
(check (srfi-let ((x1 1) (y1 2)) (list x1 y1)) => '(1 2))
;; form2 with two
(check (srfi-let ((x1 x2 (values 1 2))) (list x1 x2)) => '(1 2))
(check (srfi-let ((x1 x2 x3 (values 1 2 3))) (list x1 x2 x3)) => '(1 2 3))
;; form1 without rest arg
(check (srfi-let (((values) (values))) 1) => 1)
(check (srfi-let (((values x1) (values 1))) x1) => 1)
(check (srfi-let (((values x1 x2) (values 1 2))) (list x1 x2)) => '(1 2))
(check (srfi-let (((values x1 x2 x3) (values 1 2 3))) (list x1 x2 x3)) => '(1 2 3))
;; form1 with rest arg only
(check (srfi-let (((values . x0+) (values))) x0+) => '())
(check (srfi-let (((values . x0+) (values 1))) x0+) => '(1))
(check (srfi-let (((values . x0+) (values 1 2))) x0+) => '(1 2))
(check (srfi-let (((values . x0+) (values 1 2 3))) x0+) => '(1 2 3))
;; form1 with one and rest arg
(check (srfi-let (((values x1 . x1+) (values 1))) (cons x1 x1+)) => '(1))
(check (srfi-let (((values x1 . x1+) (values 1 2))) (cons x1 x1+)) => '(1 2))
(check (srfi-let (((values x1 . x1+) (values 1 2 3))) (cons x1 x1+)) => '(1 2 3))
;; form1 with two and rest arg
(check (srfi-let (((values x1 x2 . x2+) (values 1 2)))
(cons x1 (cons x2 x2+)))
=> '(1 2))
(check (srfi-let (((values x1 x2 . x2+) (values 1 2 3)))
(cons x1 (cons x2 x2+)))
=> '(1 2 3))
;; --- test cases for named srfi-let ---
;; ordinary form
(check (srfi-let loop ((x 1)) (if (zero? x) x (loop (- x 1)))) => 0)
;; using (values x)
(check (srfi-let loop (((values x) 1)) (if (zero? x) x (loop (- x 1)))) => 0)
;; --- test cases for srfi-let* ---
;; We assume that srfi-let* is defined in terms of srfi-let but check
;; if the scopes are correct.
;; simple srfi-let
(check (srfi-let* () 1) => 1)
(check (srfi-let* ((x1 1)) x1) => 1)
(check (srfi-let* (((values x1 x2 . x2+) (values 1 2 3)))
(cons x1 (cons x2 x2+)))
=> '(1 2 3))
;; nested srfi-let
(check (srfi-let* ((x1 1) (y1 x1)) (list x1 y1)) => '(1 1))
(check (srfi-let* (((values x1 x2 . x2+) (values 1 2 3))
((values y1 y2 . y2+) (apply values x1 x2 x2+)))
(list
(cons x1 (cons x2 x2+))
(cons y1 (cons y2 y2+))))
=> '((1 2 3) (1 2 3)))
;; --- test cases for srfi-letrec ---
;; original srfi-letrec
(check (srfi-letrec () 1) => 1)
(check (srfi-letrec ((x 1)) x) => 1)
(check (srfi-letrec ((x 1) (y 2)) (list x y)) => '(1 2))
(check (srfi-letrec ((x (lambda () (y))) (y (lambda () 1))) (x)) => 1)
;; too few test cases...
(check (srfi-letrec ((x y (values (lambda () (y))
(lambda () 1))))
(x))
=> 1)
;; --- nasty things ---
(check (srfi-let ((values 1)) values) => 1)
(check (srfi-let (((values values) 1)) values) => 1)
(check (srfi-let (((values bad values) (values 1 2)))
(list bad values))
=> '(1 2))
;; --- values->list etc. ---
(check (values->list (values)) => '())
(check (values->list (values 1)) => '(1))
(check (values->list (values 1 2)) => '(1 2))
(check (values->list (values 1 2 3)) => '(1 2 3))
(check (values->vector (values)) => '#())
(check (values->vector (values 1)) => '#(1))
(check (values->vector (values 1 2)) => '#(1 2))
(check (values->vector (values 1 2 3)) => '#(1 2 3))
(check-report)
| false |
752e4cf8c7831bfa32ac3068f89d4d82db84189f
|
6b8bee118bda956d0e0616cff9ab99c4654f6073
|
/schcuda/testing/cstruct.ss
|
124d2ff89265da28b81546857d5c54940657bda8
|
[] |
no_license
|
skchoe/2012.Functional-GPU-Programming
|
b3456a92531a8654ae10cda622a035e65feb762d
|
56efdf79842fc465770214ffb399e76a6bbb9d2a
|
refs/heads/master
| 2016-09-05T23:42:36.784524 | 2014-05-26T17:53:34 | 2014-05-26T17:53:34 | 20,194,204 | 1 | 0 | null | null | null | null |
UTF-8
|
Scheme
| false | false | 599 |
ss
|
cstruct.ss
|
#lang scheme
(require scheme/foreign)
(define-struct empty ())
(define a (make-empty))
(define (check-empty a)
(if (empty? a) (printf "yes empty struct\n")
(error "not empty struct\n")))
(check-empty a)
;
;(define-cstruct empty-t ())
;(define a-t (make-empty-T))
;
;(define (check-empty-t at)
; (if (empty-t? at) (printf "yes empty type\n")
; (error "not empty type\n")))
(define am (make-cstruct-type (list)))
(define al (_list-struct))
(define (check-empty-l al)
(if (ctype? al)
(printf "yes empty list type\n")
(error "not empty list\n")))
(check-empty-l al)
| false |
f991c48add11c3aaec7a411537318a62e30d4c95
|
8c460fc27ece8523af9be0c8b6c48461ff072e94
|
/test-assembler.scm
|
d2d17fb50dc3740c21eac58e94cd574eaf35390f
|
[] |
no_license
|
ssbr/dcpu16-scheme
|
f1bc69821a13c6cb37ffbd7c51a1b63218233b0e
|
f17fcab6573a6a31b39a21b76585c66cb63a079c
|
refs/heads/master
| 2020-04-07T16:11:27.452424 | 2012-04-07T15:11:07 | 2012-04-07T15:11:07 | null | 0 | 0 | null | null | null | null |
UTF-8
|
Scheme
| false | false | 5,002 |
scm
|
test-assembler.scm
|
(load "assembler.scm")
(define (glue-3hex operator a b)
(cond
; woe is me, copy pasta ahoy
[(> a #b111111) (raise-error "> 6 bits: ~a" a)]
[(> b #b111111) (raise-error "> 6 bits: ~a" b)]
[(> operator #b1111) (raise-error "> 4 bits: ~a" operator)]
[else
(+ (bitwise-arithmetic-shift b 10) (bitwise-arithmetic-shift a 4) operator)]))
; as a sanity check, one could check that...
(assert (equal? (glue-3hex #xf #x3f #x3f) #xffff))
(define (glue-hex hex)
(if (list? hex)
(case (length hex)
[(3) (apply glue-3hex hex)]
[(2) (apply glue-3hex 0 hex)]
[else (raise-error "Invalid hexop: ~a" hex)])
hex))
; apparently chez lacks define-syntax-rule -- so lame!
(define-syntax hexops
(syntax-rules ()
[(_ <hex> ...)
(map glue-hex '(<hex> ...))]))
(define-syntax test-assembly
(syntax-rules ()
[(_) (begin (format #t "Done!") (newline))]
[(_ (<test-name> [<left> <right>] ...) <other-tests> ...)
(let ([passed (andmap (lambda (a) (apply test-two a)) `((,<left> ,<right> <left> <right>) ...))])
(and passed
(begin
(format #t "~a: ... PASS" <test-name>)
(newline)
#t))
(test-assembly <other-tests> ...))]))
(define (test-two left right left-display right-display)
(let ([left (incorporate-labels (fixup-labels (assemble left)))])
(if (equal? left right)
#t
(begin
(format #t "~a: ... FAIL" <test-name>)
(newline)
(format #t " ~a == ~a" '<left> left)
(newline)
(format #t " ~a == ~a" '<right> right)
(newline)
#f))))
(test-assembly
("Notch's example code :)"
['(
(set a #x30)
(set (ref #x1000) #x20)
(sub a (ref #x1000))
(ifn a #x10)
(set pc crash)
(set i 10)
(set a #x2000)
loop
(set (ref (+ i #x2000)) (ref a))
(sub i 1)
(ifn i 0)
;; this would be better than the actual jump
; (sub pc (relative loop))
(set pc loop)
(set x #x4)
(jsr testsub)
(set pc crash)
testsub
(shl x 4)
(set pc pop)
crash
(set pc crash))
`(
#x7c01 #x0030
#x7de1 #x1000 #x0020
#x7803 #x1000
#xc00d
;; This assembler is better than Notch's. :)
;#x7dc1 #x001a
,(glue-3hex #x1 #x1c #x36) ; looks about right.
#xa861
#x7c01 #x2000
#x2161 #x2000
#x8463
#x806d
,(glue-3hex #x1 #x1c #x2c)
#x9031
,(glue-3hex #x0 #x1 #x34)
,(glue-3hex #x1 #x1c #x36)
#x9037
#x61c1
,(glue-3hex #x1 #x1c #x36))])
("registers / [registers]"
['((set a (ref a))) (hexops (#x1 #x0 #x8))]
['((set b (ref b))) (hexops (#x1 #x1 #x9))]
['((set c (ref c))) (hexops (#x1 #x2 #xa))]
['((set x (ref x))) (hexops (#x1 #x3 #xb))]
['((set y (ref y))) (hexops (#x1 #x4 #xc))]
['((set z (ref z))) (hexops (#x1 #x5 #xd))]
['((set i (ref i))) (hexops (#x1 #x6 #xe))]
['((set j (ref j))) (hexops (#x1 #x7 #xf))])
("[next word + register] / literals"
['((set (ref (+ 1 a)) 0)) (hexops (#x1 #x10 #x20) 1)]
['((set (ref (+ 1 b)) 1)) (hexops (#x1 #x11 #x21) 1)]
['((set (ref (+ 1 c)) 2)) (hexops (#x1 #x12 #x22) 1)]
['((set (ref (+ 1 x)) 3)) (hexops (#x1 #x13 #x23) 1)]
['((set (ref (+ 1 y)) 4)) (hexops (#x1 #x14 #x24) 1)]
['((set (ref (+ 1 z)) 5)) (hexops (#x1 #x15 #x25) 1)]
['((set (ref (+ 1 i)) 6)) (hexops (#x1 #x16 #x26) 1)]
['((set (ref (+ 1 j)) 7)) (hexops (#x1 #x17 #x27) 1)])
("[A + 1] == [1 + A]"
['((set (ref (+ 1 a)) 0)) (hexops (#x1 #x10 #x20) 1)]
['((set (ref (+ a 1)) 0)) (hexops (#x1 #x10 #x20) 1)])
("Stack operations"
['((set pop 8)) (hexops (#x1 #x18 #x28))]
['((set peek 9)) (hexops (#x1 #x19 #x29))]
['((set push #xa)) (hexops (#x1 #x1a #x2a))])
("Rest of the values (SP/PC/O, [next], next)"
['((set sp #xb)) (hexops (#x1 #x1b #x2b))]
['((set pc #xc)) (hexops (#x1 #x1c #x2c))]
['((set o #xd)) (hexops (#x1 #x1d #x2d))]
['((set (ref #xff) #xe)) (hexops (#x1 #x1e #x2e) #xff)]
['((set #xff #xf)) (hexops (#x1 #x1f #x2f) #xff)])
("Basic opcodes"
['((set a #x10)) (hexops (#x1 0 #x30))]
['((add a #x11)) (hexops (#x2 0 #x31))]
['((sub a #x12)) (hexops (#x3 0 #x32))]
['((mul a #x13)) (hexops (#x4 0 #x33))]
['((div a #x14)) (hexops (#x5 0 #x34))]
['((mod a #x15)) (hexops (#x6 0 #x35))]
['((shl a #x16)) (hexops (#x7 0 #x36))]
['((shr a #x17)) (hexops (#x8 0 #x37))]
['((and a #x18)) (hexops (#x9 0 #x38))]
['((bor a #x19)) (hexops (#xa 0 #x39))]
['((xor a #x1a)) (hexops (#xb 0 #x3a))]
['((ife a #x1b)) (hexops (#xc 0 #x3b))]
['((ifn a #x1c)) (hexops (#xd 0 #x3c))]
['((ifg a #x1d)) (hexops (#xe 0 #x3d))]
['((ifb a #x1e)) (hexops (#xf 0 #x3e))])
("Non-basic opcodes"
['((jsr a)) (hexops (#x01 #x00))]))
| true |
819cb6643a0bd510685bc16178c855f5ffe9449c
|
5927f3720f733d01d4b339b17945485bd3b08910
|
/hato-log.scm
|
4644720f516ce03e935634eabe1866a9af89c93c
|
[] |
no_license
|
ashinn/hato
|
85e75c3b6c7ca7abca512dc9707da6db3b50a30d
|
17a7451743c46f29144ce7c43449eef070655073
|
refs/heads/master
| 2016-09-03T06:46:08.921164 | 2013-04-07T03:22:52 | 2013-04-07T03:22:52 | 32,322,276 | 5 | 0 | null | null | null | null |
UTF-8
|
Scheme
| false | false | 7,119 |
scm
|
hato-log.scm
|
;; hato-log.scm -- Apache-style logging levels
;;
;; Copyright (c) 2005-2009 Alex Shinn. All rights reserved.
;; BSD-style license: http://synthcode.com/license.txt
(require-library posix)
(module hato-log
(define-logger log-open log-close log-display log-format
log-error-message log-call-chain log-error&call-chain
current-log-port)
(import scheme chicken extras data-structures ports posix)
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(define current-log-port (current-error-port))
(define current-log-file #f)
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(define-syntax define-logger
(er-macro-transformer
(lambda (expr r c)
(let* ((level-info (cadr expr))
(loggers
(let lp ((ls (caddr expr))
(i 0)
(res '()))
(cond ((null? ls)
(reverse res))
((pair? (car ls))
(if (<= (cadar ls) i)
(error "log levels must be increasing" (caddr expr))
(lp (cdr ls) (+ (cadar ls) 1) (cons (car ls) res))))
(else
(lp (cdr ls) (+ i 1) (cons (list (car ls) i) res))))))
(normalize-level
(lambda (desc)
(let ((str (symbol->string desc)))
(if (and (> (string-length str) 4)
(string=? "log-" (substring str 0 4)))
(string->symbol (substring str 4))
desc))))
(log-descriptions
(map (lambda (x)
(cons
(if (pair? (cddr x)) (caddr x) (normalize-level (car x)))
(cadr x)))
loggers))
(level-getter (car level-info))
(level-setter (cadr level-info))
(default-level
(if (pair? (cddr level-info))
(caddr level-info)
(cadr (car (reverse loggers)))))
(level-var '*log-level*)
(level-indexer 'x->level)
(_define (r 'define))
(x (r 'x)))
`(,(r 'begin)
(,_define (,level-indexer ,x)
(,(r 'cond)
((,(r 'assq) ,x ',log-descriptions)
,(r '=>) ,(r 'cdr))
((,(r 'integer?) ,x) ,x)
(,(r 'else) (,(r' error) "invalid log level" ,x))))
(,_define ,level-var
(,(r 'cons) (,level-indexer ',default-level) '()))
(,_define (,level-getter) (,(r 'car) ,level-var))
(,_define (,level-setter ,x)
(,(r 'set-car!) ,level-var (,level-indexer ,x)))
,@(map
(lambda (logger description)
(let ((name (car logger))
(level (cadr logger)))
`(,(r 'define-syntax) ,name
(,(r 'er-macro-transformer)
(,(r 'lambda) (,x ,(r 'r2) ,(r 'c2))
(,(r 'quasiquote)
((,(r 'unquote) (,(r 'r2) 'if))
((,(r 'unquote) (,(r 'r2) '>=))
(,(r 'car) ,level-var)
,level)
((,(r 'unquote) (,(r 'r2) 'log-format))
,(symbol->string (car description))
(,(r 'unquote-splicing) (,(r 'cdr) ,x))))))))))
loggers
log-descriptions))))))
;;(define-constant *week-day-abbrevs*
;; (vector "Sun" "Mon" "Tue" "Wed" "Thu" "Fri" "Sat"))
;;(define (week-day-abbrev i)
;; (if (<= 0 i 6) (vector-ref *week-day-abbrevs* i) "___"))
(define (current-log-date-string)
(define (pad0 n len)
(let* ((s (number->string n))
(diff (- len (string-length s))))
(if (> diff 0) (string-append (make-string diff #\0) s) s)))
(let ((now (seconds->local-time (current-seconds))))
;; this makes lexicographic sort == chronological sort
(sprintf "~A-~A-~A ~A:~A:~A"
(pad0 (+ 1900 (vector-ref now 5)) 4)
(pad0 (+ 1 (vector-ref now 4)) 2)
(pad0 (vector-ref now 3) 2)
(pad0 (vector-ref now 2) 2)
(pad0 (vector-ref now 1) 2)
(pad0 (vector-ref now 0) 2))))
;; Use file-locking to let multiple processes write to the same log
;; file. On error try to re-open the log file. We keep the port open
;; so that even if you mv the file (e.g. when rotating logs) we keep
;; writing to it in the new location. To force writing to a new file in
;; the original location, use cp+rm instead of mv, or alternately SIGHUP
;; the process after the mv.
(define (log-display type str)
(let* ((prefix (sprintf "[~A] [~A] " (current-log-date-string) type))
(str (string-append prefix ; prefix all lines in message
(string-intersperse (string-split str "\n")
(string-append "\n" prefix))
"\n")))
(condition-case
(let ((lock (and (output-port? current-log-port)
(file-lock current-log-port))))
;; this is redundant with POSIX O_APPEND
;;(set-file-position! current-log-port 0 seek/end)
(display str current-log-port)
(flush-output current-log-port)
(and lock (file-unlock lock)))
(e1 () ; try to re-open log-file, use stderr as backup
(condition-case
(begin
(log-close)
(log-open)
(let ((lock (file-lock current-log-port)))
(display str current-log-port)
(flush-output current-log-port)
(file-unlock lock)))
(e2 ()
(let ((err (current-error-port)))
(if (and (output-port? err)
(not (eq? err current-log-port)))
(display str err)))))))))
(define (log-format type fmt . args)
(log-display type (apply sprintf fmt args)))
(define (log-open . o)
(if (pair? o) (set! current-log-file (car o)))
(if current-log-file
(set! current-log-port (open-output-file current-log-file append:))))
(define (log-close)
(if (output-port? current-log-port)
(close-output-port current-log-port)))
(define (log-error-message type exn)
(log-format type "~A" (call-with-output-string
(lambda (out) (print-error-message exn out "")))))
(define (log-call-chain . o)
(let ((call-chain (if (pair? o) (car o) (get-call-chain 1 #t))))
(for-each
(lambda (info)
(let ((more1 (##sys#slot info 1))
(more2 (##sys#slot info 2)))
(fprintf current-log-port "\t~A\t\t" (##sys#slot info 0))
(if more2 (fprintf current-log-port "[~A] " more2))
(if more1
(##sys#with-print-length-limit
100
(lambda () (##sys#print more1 #t current-log-port))))
(newline current-log-port)))
call-chain)))
(define (log-error&call-chain type exn)
(let ((call-chain (get-call-chain 1 #t)))
(log-error-message type exn)
(log-call-chain call-chain)))
)
| true |
963ed9351029bad0cedc5c09f84c0b5b9f01780d
|
4e64a8ed146a67f0d35d34a3c2d7af266d35e1eb
|
/scheme/scheme_files/test_car.scm
|
a4deaa2b133dcfa343703f923efafe53634ab682
|
[] |
permissive
|
svenkeidel/sturdy
|
0900f427f8df1731be009ee4f18051e1e93356b4
|
4962b9fbe0dab0a7b07f79fe843f4265c782e007
|
refs/heads/master
| 2023-07-05T22:00:22.524391 | 2023-06-23T04:05:50 | 2023-06-23T04:06:14 | 126,147,527 | 55 | 8 |
BSD-3-Clause
| 2023-05-22T10:18:35 | 2018-03-21T08:34:54 |
Pascal
|
UTF-8
|
Scheme
| false | false | 15 |
scm
|
test_car.scm
|
(car '(1 4 5))
| false |
9057f82945198cf6d1c74f40e07667949fb6f176
|
8a0660bd8d588f94aa429050bb8d32c9cd4290d5
|
/sitelib/rpc/json.scm
|
a7f4121358d05bef96cba5e86ba53a1855611aa4
|
[
"BSD-2-Clause"
] |
permissive
|
david135/sagittarius-scheme
|
dbec76f6b227f79713169985fc16ce763c889472
|
2fbd9d153c82e2aa342bfddd59ed54d43c5a7506
|
refs/heads/master
| 2016-09-02T02:44:31.668025 | 2013-12-21T07:24:08 | 2013-12-21T07:24:08 | 32,497,456 | 0 | 0 | null | null | null | null |
UTF-8
|
Scheme
| false | false | 5,577 |
scm
|
json.scm
|
;;; -*- mode:scheme; coding:utf-8; -*-
;;;
;;; rpc/json - JSON-RPC library.
;;;
;;; Copyright (c) 2010-2013 Takashi Kato <[email protected]>
;;;
;;; Redistribution and use in source and binary forms, with or without
;;; modification, are permitted provided that the following conditions
;;; are met:
;;;
;;; 1. Redistributions of source code must retain the above copyright
;;; notice, this list of conditions and the following disclaimer.
;;;
;;; 2. Redistributions in binary form must reproduce the above copyright
;;; notice, this list of conditions and the following disclaimer in the
;;; documentation and/or other materials provided with the distribution.
;;;
;;; THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
;;; "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
;;; LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
;;; A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
;;; OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
;;; SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
;;; TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
;;; PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
;;; LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
;;; NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
;;; SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
;;;
;; JSON-RPC version 2.0
;; reference: http://www.jsonrpc.org/specification
(library (rpc json)
(export <json-request>
make-json-request
json-request-method
json-request-params
json-request-id
json-request->json-string
json-string->json-request
json-response->json-string
json-string->json-response
json-response-id
json-response-jsonrpc
json-response-result)
(import (rnrs)
(clos user)
(srfi :2 and-let*)
(json)
(rfc uuid)
(rpc message)
(rpc transport http))
(define-class <json-request> ()
(;; fixed version. we don't support 1.0
(jsonrpc :init-value "2.0" :reader json-request-jsonrpc)
(method :init-keyword :method :reader json-request-method)
(params :init-keyword :params :reader json-request-params :init-value '())
(id :init-keyword :id :reader json-request-id)))
(define-class <json-response> ()
(;; fixed version. we don't support 1.0
(jsonrpc :init-value "2.0" :reader json-response-jsonrpc)
(result :init-keyword :result :reader json-response-result)
(id :init-keyword :id :reader json-response-id)))
(define (make-json-request method
:key (params '())
(id (uuid->string (make-v4-uuid))))
(make <json-request>
:method method
:params params
:id id))
(define (json-request->json-string request)
(call-with-string-output-port
(lambda (out)
(let ((sjosn `#((jsonrpc . ,(json-request-jsonrpc request))
(method . ,(json-request-method request))
(id . ,(json-request-id request))
(params . ,(json-request-params request)))))
(json-write sjosn out)))))
(define (json-string->json-request json)
(let ((sjosn (vector->list (json-read (open-string-input-port json)))))
(or (and-let* ((id (assoc "id" sjosn))
(jsonrpc (assoc "jsonrpc" sjosn))
( (string=? (cdr jsonrpc) "2.0") )
(method (assoc "method" sjosn)))
(let ((params (assoc "params" sjosn)))
(apply make-json-request method :id id
(if params `(:params ,(cdr params)) '()))))
(error 'json-string->json-request "invalid JSON-RPC request" json))))
;; response object doesn't have error means we don't create error
;; with the procedure.
(define (json-response->json-string response)
(call-with-string-output-port
(lambda (out)
(let ((sjosn `#((jsonrpc . ,(json-response-jsonrpc response))
(id . ,(json-response-id response))
(result . ,(json-response-result response)))))
(json-write sjosn out)))))
(define (json-string->json-response json)
;; the result must be vector
(let ((sjosn (vector->list (json-read (open-string-input-port json)))))
(or (and-let* ((id (assoc "id" sjosn))
(jsonrpc (assoc "jsonrpc" sjosn))
( (string=? (cdr jsonrpc) "2.0") ))
(cond ((assoc "error" sjosn)
=> (lambda (slot)
(let ((ejson (vector->list (cdr slot))))
(error 'json->json-response
(cdr (assoc "message" ejson))
`(code ,(cdr (assoc "code" ejson)))
`(data ,(or (cond ((assoc "data" ejson) => cdr)
(else '()))))))))
((assoc "result" sjosn)
=> (lambda (slot)
(make <json-response> :result (cdr slot) :id (cdr id))))
(else
(error 'json-string->json-response
"invalid JSON-RPC response" josn))))
(error 'json-string->json-response
"invalid JSON-RPC response" json))))
(define-method rpc-http-content-type ((m <json-request>))
"application/json")
;; default rpc-http-sender is binary so make it bytevector
(define-method rpc-marshall-message ((m <json-request>))
(string->utf8 (json-request->json-string m)))
;; http transport gives 3 argument request header and response
;; default response is binary
(define-method rpc-unmarshall-message ((request <json-request>) header body)
;; TODO lookup encoding and decide which transcoder
(json-string->json-response (utf8->string body)))
)
| false |
2ba86fe8e4010bc6cf4fbbb19d1b07893cf5796a
|
7aeb920de21547a1d9c714b029bbf3a9e7df449e
|
/scheme/chip-remote/devices/bosch/bme280/tables.scm
|
ac822c93c1440f843b9fb45feb3eb8afcf1f6da1
|
[
"BSD-2-Clause"
] |
permissive
|
ft/chip-remote
|
f8ac5a2d7597d24f44ac287836be3422a32283d4
|
2a64df611214f7e3eb55d4ead76e270351158cdb
|
refs/heads/master
| 2023-04-30T08:38:16.483240 | 2023-01-05T04:01:44 | 2023-01-05T04:01:44 | 117,028,633 | 2 | 1 | null | null | null | null |
UTF-8
|
Scheme
| false | false | 1,811 |
scm
|
tables.scm
|
;; Copyright (c) 2021 chip-remote workers, All rights reserved.
;;
;; Terms for redistribution and use can be found in LICENCE.
(define-module (chip-remote devices bosch bme280 tables)
#:use-module (chip-remote named-value)
#:export (filter-coefficient-map
mode-map
oversampling-map
stand-by-map))
(define-value filter-coefficient-map '((filter-off . #b000)
( 2 . #b001)
( 4 . #b010)
( 8 . #b011)
( 16 . #b100)
( 16 . #b101)
( 16 . #b110)
( 16 . #b111)))
(define-value mode-map '((sleep . #b00)
(forced . #b01)
(forced . #b10)
(normal . #b11)))
(define-value oversampling-map '((disable . #b000)
( 1 . #b001)
( 2 . #b010)
( 4 . #b011)
( 8 . #b100)
( 16 . #b101)
( 16 . #b110)
( 16 . #b111)))
(define-value stand-by-map '(( #e0.5e-3 . #b000)
( #e62.5e-3 . #b001)
( #e125.0e-3 . #b010)
( #e250.0e-3 . #b011)
( #e500.0e-3 . #b100)
(#e1000.0e-3 . #b101)
( #e10.0e-3 . #b110)
( #e20.0e-3 . #b111)))
| false |
274da5736c0bba0ba8b36338d37ec6e169acc6b5
|
ec5b4a92882f80b3f62eac8cbd059fb1f000cfd9
|
/higher-order/!tests/symbdiff.ss
|
45878e26057e08fa1817b31224bca1b23db33049
|
[] |
no_license
|
ggem/alpa
|
ee35ffc91d9f4b1d540ce8b2207595813e488e5f
|
4f53b888b5a5b4ffebd220c6e0458442325fbff2
|
refs/heads/master
| 2019-01-02T03:12:17.899768 | 2005-01-04T03:43:12 | 2005-01-04T03:43:12 | 42,612,681 | 0 | 0 | null | null | null | null |
UTF-8
|
Scheme
| false | false | 15,665 |
ss
|
symbdiff.ss
|
; This is a heavily beefed up version of an example from the
; Abelson/Sussman textbook. I included some more rules for
; taking derivatives and a lot of expression simplification.
; Also I added the possibility to handle expression in prefix,
; infix & postfix notation (default is infix).
; usage : the first parameter is the expression, the second the variable
; - known functions are : sin, cos, arctan, sqrt
; - results are simplified up to a certain degree
; (derive-x n f) calculates the n-th derivative of f where x is the variable
; (derivations-x function start end) prints all derivatives up to the n-th
; example session
; (deriv '((3 * x) + (5 * (x ** 7))) 'x)
; (3 + (35 * (x ** 6)))
; (deriv '((3 * x) + (5 * (x ** 7))) 'y)
; 0
; (define order 'prefix)
; order
; (deriv '(+ (* 3 x) (* 5 (** x 7))) 'x)
; (+ 3 (* 35 (** x 6)))
; Comments, questions, bug reports etc. to
; Ulf Dittmer [email protected]
(define order 'infix)
(define (deriv exp var)
(cond ((constant? exp) 0)
((variable? exp)
(if (same-variable? exp var) 1 0))
((sum? exp)
(make-sum (deriv (firstop exp) var)
(deriv (secondop exp) var)))
((difference? exp)
(make-difference (deriv (firstop exp) var)
(deriv (secondop exp) var)))
((product? exp)
(make-sum
(make-product (firstop exp)
(deriv (secondop exp) var))
(make-product (deriv (firstop exp) var)
(secondop exp))))
((quotient? exp)
(make-quotient (make-difference
(make-product (secondop exp)
(deriv (firstop exp) var))
(make-product (firstop exp)
(deriv (secondop exp) var)))
(make-exponentiation (secondop exp) 2)))
((exponentiation? exp)
(if (equal? 0 (deriv (secondop exp) var))
(make-product
(deriv (firstop exp) var)
(make-product (secondop exp)
(make-exponentiation
(firstop exp)
(make-difference (secondop exp) 1))))
(make-product exp
(make-sum
(make-product (deriv (secondop exp) var)
(make-logarithm 'e (firstop exp)))
(make-product (deriv (firstop exp) var)
(make-quotient (secondop exp)
(firstop exp)))))))
((function? exp)
(case (ffunc exp)
('sin (make-product (deriv (fop exp) var)
(make-function 'cos (fop exp))))
('cos (make-product (make-product -1 (deriv (fop exp) var))
(make-function 'sin (fop exp))))
('sqrt (make-quotient (make-product 0.5 (deriv (fop exp) var))
(make-function 'sqrt (fop exp))))
('arctan (make-quotient
(deriv (fop exp) var)
(make-sum 1 (make-exponentiation (fop exp) 2))))))
((logarithm? exp)
(make-product
(deriv (secondop exp) var)
(make-quotient (make-logarithm (firstop exp) 'e) 'x)))
(else #f)))
(define (constant? x) (number? x))
(define (variable? x) (symbol? x))
(define (same-variable? v1 v2) (eq? v1 v2))
(define (make-sum a1 a2)
(let ((worstcase (make-worstcase a1 '+ a2)))
(cond ((and (number? a1) (number? a2)) (+ a1 a2))
((equal? a1 a2) (make-product 2 a1))
((number? a1) (cond ((= a1 0) a2)
((sum? a2)
(cond ((number? (firstop a2))
(make-sum
(+ a1 (firstop a2)) (secondop a2)))
((number? (secondop a2))
(make-sum
(+ a1 (secondop a2)) (firstop a2)))
(else worstcase)))
((difference? a2)
(cond ((number? (firstop a2))
(make-difference
(+ a1 (firstop a2)) (secondop a2)))
((number? (secondop a2))
(make-sum
(- a1 (secondop a2)) (firstop a2)))
(else worstcase)))
(else worstcase)))
((number? a2) (cond ((= a2 0) a1)
((sum? a1)
(cond ((number? (firstop a1))
(make-sum
(+ a2 (firstop a1)) (secondop a1)))
((number? (secondop a1))
(make-sum
(+ a2 (secondop a1)) (firstop a1)))
(else worstcase)))
((difference? a1)
(cond ((number? (firstop a1))
(make-difference
(+ a2 (firstop a1)) (secondop a1)))
((number? (secondop a1))
(make-difference
(firstop a1) (- (secondop a1) a2)))
(else worstcase)))
(else worstcase)))
(else worstcase))))
(define (make-difference a1 a2)
(let ((worstcase (make-worstcase a1 '- a2)))
(cond ((and (number? a1) (number? a2)) (- a1 a2))
((equal? a1 a2) 0)
((number? a1) (cond ((= a1 0) (make-product -1 a2))
((sum? a2)
(cond ((number? (firstop a2))
(make-difference
(- a1 (firstop a2)) (secondop a2)))
((number? (secondop a2))
(make-difference
(- a1 (secondop a2)) (firstop a2)))
(else worstcase)))
((difference? a2)
(cond ((number? (firstop a2))
(make-sum
(- a1 (firstop a2)) (secondop a2)))
((number? (secondop a2))
(make-difference
(+ a1 (secondop a2)) (firstop a2)))
(else worstcase)))
(else worstcase)))
((number? a2) (cond ((= a2 0) a1)
((sum? a1)
(cond ((number? (firstop a1))
(make-sum
(- (firstop a1) a2) (secondop a1)))
((number? (secondop a1))
(make-sum
(- (secondop a1) a2) (firstop a1)))
(else worstcase)))
((difference? a1)
(cond ((number? (firstop a1))
(make-difference
(- (firstop a1) a2) (secondop a1)))
((number? (secondop a1))
(make-difference
(firstop a1) (+ (secondop a1) a2)))
(else worstcase)))
(else worstcase)))
(else worstcase))))
(define (make-product m1 m2)
(let ((worstcase (make-worstcase m1 '* m2)))
(cond ((and (number? m1) (number? m2)) (* m1 m2))
((number? m1) (cond ((= m1 0) 0)
((= m1 1) m2)
((product? m2)
(cond ((number? (firstop m2))
(make-product
(* m1 (firstop m2)) (secondop m2)))
((number? (secondop m2))
(make-product
(* m1 (secondop m2)) (firstop m2)))
(else worstcase)))
((quotient? m2)
(cond ((number? (firstop m2))
(make-quotient
(* m1 (firstop m2)) (secondop m2)))
((number? (secondop m2))
(make-product
(/ m1 (secondop m2)) (firstop m2)))
(else worstcase)))
(else worstcase)))
((number? m2) (cond ((= m2 0) 0)
((= m2 1) m1)
((product? m1)
(cond ((number? (firstop m1))
(make-product
(* m2 (firstop m1)) (secondop m1)))
((number? (secondop m1))
(make-product
(* m2 (secondop m1)) (firstop m1)))
(else worstcase)))
((quotient? m1)
(cond ((number? (firstop m1))
(make-quotient
(* m2 (firstop m1)) (secondop m1)))
((number? (secondop m1))
(make-product
(/ m2 (secondop m1)) (firstop m1)))
(else worstcase)))
(else worstcase)))
((and (quotient? m1) (equal? (firstop m1) 1))
(make-quotient m2 (secondop m1)))
((and (quotient? m2) (equal? (firstop m2) 1))
(make-quotient m1 (secondop m2)))
(else worstcase))))
(define (make-quotient m1 m2)
(let ((worstcase (make-worstcase m1 '/ m2)))
(cond ((and (number? m1) (number? m2)) (/ m1 m2))
((equal? m1 m2) 1)
((number? m1) (cond ((= m1 0) 0)
((product? m2)
(cond ((number? (firstop m2))
(make-quotient
(/ m1 (firstop m2)) (secondop m2)))
((number? (secondop m2))
(make-quotient
(/ m1 (secondop m2)) (firstop m2)))
(else worstcase)))
((quotient? m2)
(cond ((number? (firstop m2))
(make-product
(/ m1 (firstop m2)) (secondop m2)))
((number? (secondop m2))
(make-quotient
(* m1 (secondop m2)) (firstop m2)))
(else worstcase)))
(else worstcase)))
((number? m2) (cond ((= m2 1) m1)
((product? m1)
(cond ((number? (firstop m1))
(make-product
(/ (firstop m1) m2) (secondop m1)))
((number? (secondop m1))
(make-product
(/ (secondop m1) m2) (firstop m1)))
(else worstcase)))
((quotient? m1)
(cond ((number? (firstop m1))
(make-quotient
(/ (firstop m1) m2) (secondop m1)))
((number? (secondop m1))
(make-quotient
(firstop m1) (* m2 (secondop m1))))
(else worstcase)))
(else worstcase)))
(else worstcase))))
(define (make-exponentiation b e)
(let ((worstcase (make-worstcase b '** e)))
(cond ((and (number? b) (number? e) (expt b e)))
((and (exponentiation? b) (number? (secondop b)) (number? e))
(list (firstop b) '** (* (secondop b) e)))
((and (function? b) (eq? (ffunc b) 'sqrt) (= e 2)) (fop b))
((number? b) (if (or (= b 0) (= b 1)) 1 worstcase))
((number? e) (cond ((= e 0) 1)
((= e 1) b)
(else worstcase)))
(else worstcase))))
(define (make-logarithm b arg)
(let ((worstcase (make-worstcase b 'log arg)))
(cond ((and (number? b) (number? arg)) (/ (log arg) (log b)))
((equal? arg 1) 0)
((equal? b arg) 1)
(else worstcase))))
(define (make-worstcase one two three)
(cond ((equal? order 'prefix) (list two one three))
((equal? order 'infix) (list one two three))
((equal? order 'postfix) (list one three two))
(else (error "Unknown ordering."))))
(define (firstop x)
(cond ((equal? order 'prefix) (cadr x))
((equal? order 'infix) (car x))
((equal? order 'postfix) (car x))
(else (error "Unknown ordering."))))
(define (secondop x)
(cond ((equal? order 'prefix) (caddr x))
((equal? order 'infix) (caddr x))
((equal? order 'postfix) (cadr x))
(else (error "Unknown ordering."))))
(define (func x)
(cond ((equal? order 'prefix) (car x))
((equal? order 'infix) (cadr x))
((equal? order 'postfix) (caddr x))
(else (error "Unknown ordering."))))
(define (sum? x)
(if (not (atom? x)) (eq? (func x) '+) #f))
(define (difference? x)
(if (not (atom? x)) (eq? (func x) '-) #f))
(define (product? x)
(if (not (atom? x)) (eq? (func x) '*) #f))
(define (quotient? x)
(if (not (atom? x)) (eq? (func x) '/) #f))
(define (exponentiation? x)
(if (not (atom? x)) (eq? (func x) '**) #f))
(define (logarithm? x)
(if (not (atom? x)) (eq? (func x) 'log) #f))
(define (ffunc x) (car x))
(define (fop x) (cadr x))
(define arctan atan)
(define (function? x)
(if (not (atom? x))
(case (ffunc x)
((sin cos sqrt arctan) #t)
(else #f))))
(define (make-function f arg)
(if (constant? arg)
((eval f) arg)
(list f arg)))
(define (derive-x n f)
(if (= n 0)
f
(derive-x (- n 1) (deriv f 'x))))
(define (derivations-x function start end)
(do ((n start (+ n 1)))
((> n end) 'done)
(display n)
(display " ")
(display (derive-x n function))
(newline)))
| false |
73211bd042d9d35a201f93fca761cfd524ece002
|
7666204be35fcbc664e29fd0742a18841a7b601d
|
/code/2-47.scm
|
1ad74f4a357629f77ecbfebf5f09f61885d5fd17
|
[] |
no_license
|
cosail/sicp
|
b8a78932e40bd1a54415e50312e911d558f893eb
|
3ff79fd94eda81c315a1cee0165cec3c4dbcc43c
|
refs/heads/master
| 2021-01-18T04:47:30.692237 | 2014-01-06T13:32:54 | 2014-01-06T13:32:54 | null | 0 | 0 | null | null | null | null |
UTF-8
|
Scheme
| false | false | 854 |
scm
|
2-47.scm
|
#lang racket
(define (L2-47a)
(define (make-frame origin edge1 edge2)
(list origin edge1 edge2))
(define (origin-frame frame) (car frame))
(define (edge1-frame frame) (cadr frame))
(define (edge2-frame frame) (caddr frame))
(define t (make-frame 1 2 3))
(display t) (newline)
(display (origin-frame t)) (newline)
(display (edge1-frame t)) (newline)
(display (edge2-frame t)) (newline)
'done)
(L2-47a)
(define (L2-47b)
(define (make-frame origin edge1 edge2)
(cons origin (cons edge1 edge2)))
(define (origin-frame frame) (car frame))
(define (edge1-frame frame) (car (cdr frame)))
(define (edge2-frame frame) (cddr frame))
(define t (make-frame 1 2 3))
(display t) (newline)
(display (origin-frame t)) (newline)
(display (edge1-frame t)) (newline)
(display (edge2-frame t)) (newline)
'done)
(L2-47b)
| false |
b142f70075a230d05f2c82261cf581f55c513686
|
a5ab112b13f9957f0d9db0f0c5ca330113fd9707
|
/test.scm
|
6777f67185aafcfb19d3a55c389f05c0c0ff2fa4
|
[] |
no_license
|
ktakashi/sagittarius-soap
|
5df9362a59d71678099aa7ccbda8a0afc79f2bf1
|
6ae714ed7ed8d6ee84ace8805149a7071c54cde4
|
refs/heads/master
| 2021-01-02T09:34:40.491656 | 2013-04-11T11:52:29 | 2013-04-11T11:52:29 | null | 0 | 0 | null | null | null | null |
UTF-8
|
Scheme
| false | false | 1,268 |
scm
|
test.scm
|
(add-load-path ".")
(import (rnrs)
(soap lite)
(text tree)
(srfi :64)
(pp))
(test-begin "SOAP Lite tests")
(define-soap-type (:prefix order shipto) name)
(test-equal "soap element"
'("<" shipto () ">"
(("<" name () ">" ("Name") "</" name ">"))
"</" shipto ">")
(order:shipto (name "Name")))
(test-equal "A request"
"<soapenv:Envelope \
xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" \
xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\" \
xmlns:soapenv=\"http://schemas.xmlsoap.org/soap/envelope/\">\
<soapenv:Header></soapenv:Header>\
<soapenv:Body><shipto><name>Name</name></shipto></soapenv:Body>\
</soapenv:Envelope>"
(tree->string
(soap:envelope (make-soap-context +soap-version-1.1+)
(soap:body (order:shipto (name "Name"))))))
(define-soap-type
;; for convenient
(:namespace foo (tag1 tag2))
(:prefix bar (tag3 tag4))
(:prefix boo (:namespace brr (tag5 tag6)))
(:prefix #f (:namespace brr (tag7 tag8))))
(test-equal "new APIs"
"<foo:tag1>foo1</foo:tag1>"
(tree->string (foo:tag1 "foo1")))
(test-equal "new APIs(2)"
"<brr:tag7>brr</brr:tag7>"
(tree->string (tag7 "brr")))
(test-end)
| false |
bf2a2b6c4a5504b9b0045e1882587dde6a9da869
|
0bb7631745a274104b084f6684671c3ee9a7b804
|
/lib/gambit/prim/f64vector#.scm
|
23d3e0d995c6f4a0811da264f216f707d150c22e
|
[
"Apache-2.0",
"LGPL-2.1-only",
"LicenseRef-scancode-free-unknown",
"GPL-3.0-or-later",
"LicenseRef-scancode-autoconf-simple-exception"
] |
permissive
|
feeley/gambit
|
f87fd33034403713ad8f6a16d3ef0290c57a77d5
|
7438e002c7a41a5b1de7f51e3254168b7d13e8ba
|
refs/heads/master
| 2023-03-17T06:19:15.652170 | 2022-09-05T14:31:53 | 2022-09-05T14:31:53 | 220,799,690 | 0 | 1 |
Apache-2.0
| 2019-11-10T15:09:28 | 2019-11-10T14:14:16 | null |
UTF-8
|
Scheme
| false | false | 400 |
scm
|
f64vector#.scm
|
;;;============================================================================
;;; File: "f64vector#.scm"
;;; Copyright (c) 1994-2021 by Marc Feeley, All Rights Reserved.
;;;============================================================================
;;; F64vector operations.
(##include "f64vector-gambit#.scm")
;;;============================================================================
| false |
1a62583204676df70e7b309681f0708def02200d
|
defeada37d39bca09ef76f66f38683754c0a6aa0
|
/System/system/net/configuration/web-request-module-element-collection.sls
|
67335d147f14dba9937a9053ce9005a0209cc073
|
[] |
no_license
|
futsuki/ironscheme-port
|
2dbac82c0bda4f4ff509208f7f00a5211d1f7cd5
|
4e7a81b0fbeac9a47440464988e53fb118286c54
|
refs/heads/master
| 2016-09-06T17:13:11.462593 | 2015-09-26T18:20:40 | 2015-09-26T18:20:40 | 42,757,369 | 0 | 0 | null | null | null | null |
UTF-8
|
Scheme
| false | false | 2,117 |
sls
|
web-request-module-element-collection.sls
|
(library (system
net
configuration
web-request-module-element-collection)
(export new
is?
web-request-module-element-collection?
remove-at
index-of
add
remove
clear
item-get
item-set!
item-update!
item-get
item-set!
item-update!)
(import (ironscheme-clr-port))
(define-syntax new
(lambda (e)
(syntax-case e ()
((_ a ...)
#'(clr-new
System.Net.Configuration.WebRequestModuleElementCollection
a
...)))))
(define (is? a)
(clr-is
System.Net.Configuration.WebRequestModuleElementCollection
a))
(define (web-request-module-element-collection? a)
(clr-is
System.Net.Configuration.WebRequestModuleElementCollection
a))
(define-method-port
remove-at
System.Net.Configuration.WebRequestModuleElementCollection
RemoveAt
(System.Void System.Int32))
(define-method-port
index-of
System.Net.Configuration.WebRequestModuleElementCollection
IndexOf
(System.Int32 System.Net.Configuration.WebRequestModuleElement))
(define-method-port
add
System.Net.Configuration.WebRequestModuleElementCollection
Add
(System.Void System.Net.Configuration.WebRequestModuleElement))
(define-method-port
remove
System.Net.Configuration.WebRequestModuleElementCollection
Remove
(System.Void System.String)
(System.Void System.Net.Configuration.WebRequestModuleElement))
(define-method-port
clear
System.Net.Configuration.WebRequestModuleElementCollection
Clear
(System.Void))
(define-field-port
item-get
item-set!
item-update!
(property:)
System.Net.Configuration.WebRequestModuleElementCollection
Item
System.Net.Configuration.WebRequestModuleElement)
(define-field-port
item-get
item-set!
item-update!
(property:)
System.Net.Configuration.WebRequestModuleElementCollection
Item
System.Net.Configuration.WebRequestModuleElement))
| true |
b598d705e7b6d1ae045a76ec948fcefe1dbbba6f
|
a2d8b4843847507b02085bb8adabd818f57dd09f
|
/scheme/sicp/ch_3/arithmetic-pkg/tst-table.scm
|
08167e1da3ebb3f8b5a8550389c1e2cd660f514d
|
[] |
no_license
|
tcharding/self_learning
|
df911b018fc86bd5f918394b79d2456bf51f35a8
|
f6bb5c6f74092177aa1b71da2ce87ca1bfc5ef3c
|
refs/heads/master
| 2022-05-13T05:09:32.284093 | 2022-05-02T08:25:18 | 2022-05-02T08:25:18 | 41,029,057 | 13 | 2 | null | null | null | null |
UTF-8
|
Scheme
| false | false | 1,180 |
scm
|
tst-table.scm
|
;;;; tests for table.scm
(load-from-path "test-framework.scm")
(load-from-path "lib.scm")
(load-from-path "arithmetic-pkg/table.scm")
(define t1 (make-table-1d)) ; one dimensional
((t1 'insert!) 'a 1)
((t1 'insert!) 'b 2)
(test-eq "" ((t1 'lookup) 'a) 1)
(test-eq "" ((t1 'lookup) 'b) 2)
(define t2 (make-table-2d)) ; two dimensional
((t2 'insert!) 'foo 'a 1)
((t2 'insert!) 'bar 'a 2)
((t2 'insert!) 'foo 'b 3)
((t2 'insert!) 'bar 'b 4)
(test-eq "" ((t2 'lookup) 'foo 'a) 1)
(test-eq "" ((t2 'lookup) 'bar 'a) 2)
(test-eq "" ((t2 'lookup) 'foo 'b) 3)
(test-eq "" ((t2 'lookup) 'bar 'b) 4)
(define t (make-table eqv?)) ; arbitrary dimensions
(define get (t 'lookup))
(define put (t 'insert!))
(put '(a) 1)
(put '(b) 2)
(test-eq "" ((t 'lookup) '(a)) 1)
(test-eq "" ((t 'lookup) '(b)) 2)
(put '(foo a) 1)
(put '(bar a) 2)
(put '(foo b) 3)
(put '(bar b) 4)
(test-eq "" (get '(foo a)) 1)
(test-eq "" (get '(bar a)) 2)
(test-eq "" (get '(foo b)) 3)
(test-eq "" (get '(bar b)) 4)
(put '(one (two)) 1)
(test-eq "nested" (get '(one (two))) 1)
(put '(one (two (thee)) (four)) 1)
(test-eq "more nested" (get '(one (two (thee)) (four))) 1)
| false |
d1cff346fc645ccfe557889079cf31e694b80caf
|
c181b401c23b0d5507d4e0fe845a939846f32292
|
/app.scm
|
6df3eb7d23ff031e139b14d4b2a612a277a5f3aa
|
[] |
no_license
|
ngzh/ChickenWeChat
|
548dd20187e01602dc5cd18ab64e6a438190cacd
|
ca857e61f972ea3efd4ac05bbe0cb0d68033f87b
|
refs/heads/master
| 2021-05-31T04:25:31.906565 | 2015-08-23T03:33:35 | 2015-08-23T03:33:35 | null | 0 | 0 | null | null | null | null |
UTF-8
|
Scheme
| false | false | 3,440 |
scm
|
app.scm
|
(use spiffy intarweb uri-common srfi-13)
(use dissector)
;; libs
(include "utils") (include "dispatch") (include "crypt")
(include "message") (include "response")
;; user code
(include "page") (include "logic") (include "user-man")
(include "persistence")
(text-handler (lambda (to from content)
(case (symbol<-string (string-downcase content))
[(|h| |help|)
(sync-response to from (conc "HELP\n"
"start:\n 开始新的计数\n"
"stop: \n 停止已有的计数"))]
[(|start|)
(like-counter 'start from)
(sync-response to from "Like Counter Start!")]
[(|stop|)
(like-counter 'stop from)
(sync-response to from "Like Counter Stop!")]
[(|fox say| |fox|)
(begin1 (acknowledge-string) ; return ack("") for later async response
(async-response to from "bing bing")
(async-response to from "bing bing bing ~"))]
[else
(sync-response to from "Don't know what to say...")])))
(event-handler (lambda (to from event event-key)
(case (symbol<-string event-key)
[(|EVT_PULL|)
(cond
[(like-counter 'on-going? from)
(sync-response to from (conc "投票中。。\n"
"目前是" (like-counter)))]
[else
(sync-response to from "暂无新的消息")])]
[(|EVT_LIKE|)
(if (like-counter 'on-going? from)
(begin
(like-counter 'like from)
(sync-response to from (conc "点了个赞!\n"
"目前是" (like-counter))))
(sync-response to from (conc "目前没有投票。。。")))]
[(|EVT_UNLIKE|)
(if (like-counter 'on-going? from)
(begin
(like-counter 'unlike from)
(sync-response to from (conc "不是很喜欢嘛。。\n"
"目前是" (like-counter))))
(sync-response to from (conc "目前没有投票。。。")))]
[(|EVT_ABOUT|)
(sync-response to from (conc "Powered by\n"
"(Spiffy (Chicken Scheme))"))]
[(|EVT_HELP|)
(sync-response to from (conc "点\"看看\"可以收到最新消息\n"
"点\"赞\"中的两个选项均可投票，若多次投票，以最后一次为准\n"
"点\"关于\"中资源页可以看到一些链接\n"
"想说什么就直接发过来~~暂不支持语音"))]
[else
(sync-response to from "还不会处理这种事件...")])))
(parameterize ((server-port 4000)
(access-log (current-output-port)))
(start-server))
| false |
80e42e529bf1d1d354ad81cd1706a21412f0188c
|
660d4aad58a5dd8a304ead443a4f915b0047a579
|
/dispatch-table.scm
|
6a3d9c1ddd803e4666f1a6973c393e3d2fd5f002
|
[] |
no_license
|
prophet-on-that/sicp
|
d9642ceebb8e885d85053ceba930282f30100879
|
cdb742646464f21a3c1c27c753d35f20cf0e754d
|
refs/heads/master
| 2021-07-05T12:53:14.263137 | 2020-08-21T08:20:27 | 2020-08-21T08:20:27 | 162,593,828 | 0 | 0 | null | null | null | null |
UTF-8
|
Scheme
| false | false | 659 |
scm
|
dispatch-table.scm
|
(define-module (sicp dispatch-table))
(use-modules (srfi srfi-1))
(define-public (create-dispatch-table)
(list '()))
(define (dispatch-table-alist dispatch-table)
(car dispatch-table))
(define (set-dispatch-table-alist! dispatch-table alist)
(set-car! dispatch-table alist))
(define-public (dispatch-table-put! dispatch-table symbol fn)
(set-dispatch-table-alist! dispatch-table
(alist-cons symbol fn (dispatch-table-alist dispatch-table))))
(define-public (dispatch-table-get dispatch-table symbol)
(let ((pair (assoc symbol (dispatch-table-alist dispatch-table))))
(if pair
(cdr pair)
#f)))
| false |
b464acb0805121f29c6cb8403b1202760a2c8e50
|
defeada37d39bca09ef76f66f38683754c0a6aa0
|
/mscorlib/system/runtime/interop-services/default-char-set-attribute.sls
|
49a6a911c7fc5a7211b313e35adb4ab05e619d61
|
[] |
no_license
|
futsuki/ironscheme-port
|
2dbac82c0bda4f4ff509208f7f00a5211d1f7cd5
|
4e7a81b0fbeac9a47440464988e53fb118286c54
|
refs/heads/master
| 2016-09-06T17:13:11.462593 | 2015-09-26T18:20:40 | 2015-09-26T18:20:40 | 42,757,369 | 0 | 0 | null | null | null | null |
UTF-8
|
Scheme
| false | false | 746 |
sls
|
default-char-set-attribute.sls
|
(library (system runtime interop-services default-char-set-attribute)
(export new is? default-char-set-attribute? char-set)
(import (ironscheme-clr-port))
(define-syntax new
(lambda (e)
(syntax-case e ()
((_ a ...)
#'(clr-new
System.Runtime.InteropServices.DefaultCharSetAttribute
a
...)))))
(define (is? a)
(clr-is System.Runtime.InteropServices.DefaultCharSetAttribute a))
(define (default-char-set-attribute? a)
(clr-is System.Runtime.InteropServices.DefaultCharSetAttribute a))
(define-field-port
char-set
#f
#f
(property:)
System.Runtime.InteropServices.DefaultCharSetAttribute
CharSet
System.Runtime.InteropServices.CharSet))
| true |
0f0544925616039d3301fbadbcac8ead48a989e0
|
a09ad3e3cf64bc87282dea3902770afac90568a7
|
/2/3.scm
|
782d5dd22415a8fdbbfa6f8134aa14829aead3f4
|
[] |
no_license
|
lockie/sicp-exercises
|
aae07378034505bf2e825c96c56cf8eb2d8a06ae
|
011b37387fddb02e59e05a70fa3946335a0b5b1d
|
refs/heads/master
| 2021-01-01T10:35:59.759525 | 2018-11-30T09:35:35 | 2018-11-30T09:35:35 | 35,365,351 | 0 | 0 | null | null | null | null |
UTF-8
|
Scheme
| false | false | 1,845 |
scm
|
3.scm
|
#lang sicp
; point boilerplate
(define (make-point x y)
(cons x y))
(define (x-point point)
(car point))
(define (y-point point)
(cdr point))
; segment boilerplate
(define (make-segment start end)
(cons start end))
(define (start-segment segment)
(car segment))
(define (end-segment segment)
(cdr segment))
; first implementation
;(define (make-rectangle top-left bottom-right)
; (cons top-left bottom-right))
;
;(define (rectangle-top-left rectangle)
; (car rectangle))
;
;(define (rectangle-bottom-right rectangle)
; (cdr rectangle))
(define (rectangle-width rectangle)
(- (x-point (rectangle-bottom-right rectangle)) (x-point (rectangle-top-left rectangle))))
(define (rectangle-height rectangle)
(- (y-point (rectangle-top-left rectangle)) (y-point (rectangle-bottom-right rectangle))))
(define (perimeter rectangle)
(* 2 (+
(rectangle-width rectangle)
(rectangle-height rectangle))))
(define (square rectangle)
(*
(rectangle-width rectangle)
(rectangle-height rectangle)))
;(define test-rectangle (make-rectangle (make-point 0 5) (make-point 10 0)))
;(perimeter test-rectangle) ; 30
;(square test-rectangle) ; 50
; another implementation
(define (make-rectangle base apex)
(cons base apex))
(define (rectangle-base rectangle)
(car rectangle))
(define (rectangle-apex rectangle)
(cdr rectangle))
(define (rectangle-top-left rectangle)
(end-segment (rectangle-apex rectangle)))
(define (rectangle-bottom-right rectangle)
(end-segment (rectangle-base rectangle)))
(define test-rectangle (make-rectangle
(make-segment (make-point 0 0) (make-point 10 0))
(make-segment (make-point 0 0) (make-point 0 5))))
(perimeter test-rectangle) ; 30
(square test-rectangle) ; 50
| false |
8dd8db2d4dd5506714f00b7cadeb2727f949faea
|
e1fc47ba76cfc1881a5d096dc3d59ffe10d07be6
|
/ch3/3.21.scm
|
f145ccb49ca6eb2285fc3733dc50a92994f24fa6
|
[] |
no_license
|
lythesia/sicp-sol
|
e30918e1ebd799e479bae7e2a9bd4b4ed32ac075
|
169394cf3c3996d1865242a2a2773682f6f00a14
|
refs/heads/master
| 2021-01-18T14:31:34.469130 | 2019-10-08T03:34:36 | 2019-10-08T03:34:36 | 27,224,763 | 2 | 0 | null | null | null | null |
UTF-8
|
Scheme
| false | false | 458 |
scm
|
3.21.scm
|
(load "3.03.02.scm")
(define (print-queue q)
(define (iter head)
(cond
((null? head) (display "nil"))
(else (display (car head)) (display " - ") (iter (cdr head)))
)
)
(iter (front-ptr q))
)
; test
; (define q1 (make-queue))
; (insert-queue! q1 'a)
; (insert-queue! q1 'b)
; (print-queue q1)(newline)
; (delete-queue! q1)
; (delete-queue! q1)
; (print-queue q1)(newline)
; another sol for REPL
; (define (print-queue q) (car q))
| false |
ce914303e9c03ddaaded8b301a18a39e6d7ff1e7
|
ce567bbf766df9d98dc6a5e710a77870753c7d29
|
/ch8/03.scm
|
6b713165390bfb33ed11bee0a5c8076a507c8d34
|
[] |
no_license
|
dott94/eopl
|
1cbe2d98c948689687f88e514579e66412236fc9
|
47fadf6f2aa6ca72c831d6e2e2eccbe673129113
|
refs/heads/master
| 2021-01-18T06:42:35.921839 | 2015-01-21T07:06:43 | 2015-01-21T07:06:43 | 30,055,972 | 1 | 0 | null | 2015-01-30T04:21:42 | 2015-01-30T04:21:42 | null |
UTF-8
|
Scheme
| false | false | 5,000 |
scm
|
03.scm
|
(load-relative "../libs/init.scm")
(load-relative "./base/test.scm")
(load-relative "./base/equal-type.scm")
(load-relative "./base/data-structures.scm")
(load-relative "./base/cases.scm")
(load-relative "./base/simplemodule-lang.scm")
;; see the new stuff
;;;;;;;;;;;;;;;; grammatical specification ;;;;;;;;;;;;;;;;
(define the-lexical-spec
'((whitespace (whitespace) skip)
(comment ("%" (arbno (not #\newline))) skip)
(identifier
(letter (arbno (or letter digit "_" "-" "?")))
symbol)
;; new stuff
(module-var
(letter (arbno (or letter digit "_" "-" "?")) "."
(arbno (or letter digit "_" "-" "?")))
symbol)
(number (digit (arbno digit)) number)
(number ("-" digit (arbno digit)) number)
))
(define the-grammar
'(
(program
((arbno module-definition)
expression)
a-program)
(module-definition
("module" identifier
"interface" interface
"body" module-body)
a-module-definition)
(interface
("[" (arbno declaration) "]")
simple-iface)
(declaration
(identifier ":" type)
val-decl)
(module-body
("[" (arbno definition) "]")
defns-module-body)
(definition
(identifier "=" expression)
val-defn)
;; new expression:
;; new stuff
(expression
(module-var)
qualified-var-exp)
;; new types
(type
(identifier)
named-type)
(type
(module-var)
qualified-type)
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; no changes in grammar below here
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(expression (number) const-exp)
(expression
(identifier)
var-exp)
(expression
("-" "(" expression "," expression ")")
diff-exp)
(expression
("zero?" "(" expression ")")
zero?-exp)
(expression
("if" expression "then" expression "else" expression)
if-exp)
(expression
("let" identifier "=" expression "in" expression)
let-exp)
(expression
("proc" "(" identifier ":" type ")" expression)
proc-exp)
(expression
("(" expression expression ")")
call-exp)
(expression
("letrec"
type identifier "(" identifier ":" type ")"
"=" expression "in" expression)
letrec-exp)
(type
("int")
int-type)
(type
("bool")
bool-type)
(type
("(" type "->" type ")")
proc-type)
))
;;;;;;;;;;;;;;;; sllgen boilerplate ;;;;;;;;;;;;;;;;
(sllgen:make-define-datatypes the-lexical-spec the-grammar)
(define show-the-datatypes
(lambda () (sllgen:list-define-datatypes the-lexical-spec the-grammar)))
(define scan&parse
(sllgen:make-string-parser the-lexical-spec the-grammar))
(define just-scan
(sllgen:make-string-scanner the-lexical-spec the-grammar))
;; value-of : Exp * Env -> ExpVal
(define value-of
(lambda (exp env)
(cases expression exp
(const-exp (num) (num-val num))
(var-exp (var) (apply-env env var))
;; new stuff, a hack
(qualified-var-exp (module-var)
(let ((names
(string-split (symbol->string module-var) ".")))
(let ((module (string->symbol (car names)))
(var (string->symbol (cadr names))))
(lookup-qualified-var-in-env module var env))))
(diff-exp (exp1 exp2)
(let ((val1
(expval->num
(value-of exp1 env)))
(val2
(expval->num
(value-of exp2 env))))
(num-val
(- val1 val2))))
(zero?-exp (exp1)
(let ((val1 (expval->num (value-of exp1 env))))
(if (zero? val1)
(bool-val #t)
(bool-val #f))))
(if-exp (exp0 exp1 exp2)
(if (expval->bool (value-of exp0 env))
(value-of exp1 env)
(value-of exp2 env)))
(let-exp (var exp1 body)
(let ((val (value-of exp1 env)))
(let ((new-env (extend-env var val env)))
(value-of body new-env))))
(proc-exp (bvar ty body)
(proc-val
(procedure bvar body env)))
(call-exp (rator rand)
(let ((proc (expval->proc (value-of rator env)))
(arg (value-of rand env)))
(apply-procedure proc arg)))
(letrec-exp (ty1 proc-name bvar ty2 proc-body letrec-body)
(value-of letrec-body
(extend-env-recursively proc-name bvar proc-body env)))
)))
(run "
module m
interface
[u : int
v : int]
body
[u = 44
v = 33]
-(m.u , m.v)")
| false |
3b8f6ac3c3c28c8d9e22e725ca20220870c937c1
|
0b1826093fb47c0a7293573d80f03a28e859640f
|
/chapter-2/ex-2.57.scm
|
3c57d2785588bb9492067ed4478aef1ad879d89a
|
[
"MIT"
] |
permissive
|
yysaki/sicp
|
253ef8ef52a330af6c2107ca7063773e63f1a4aa
|
36d2964c980c58ba13a2687e0af773a5e12d770d
|
refs/heads/master
| 2021-01-20T11:50:20.648783 | 2017-12-10T03:43:38 | 2017-12-10T08:08:18 | 56,677,496 | 0 | 0 | null | null | null | null |
UTF-8
|
Scheme
| false | false | 349 |
scm
|
ex-2.57.scm
|
(load "./ex-2.56")
(define make-sum
(lambda (a b . c)
(append (list '+ a) (cons b c))))
(define make-product
(lambda (a b . c)
(append (list '* a) (cons b c))))
(define (augend s)
(if (eq? (cdddr s) '())
(caddr s)
(cons '+ (cddr s))))
(define (multiplicand p)
(if (eq? (cdddr p) '())
(caddr p)
(cons '* (cddr p))))
| false |
14bd4b4424e0120d06aa0429eb3297843438889a
|
9cb1626e30c6ea40b11cd3715c03d0d5b88722de
|
/src/riaxpander/denotation.scm
|
058e488d04bb625803d3643f2fcc387412b03060
|
[
"Zlib"
] |
permissive
|
alvatar/sphere-core
|
fbc2a76ed6743cbe7be99ff0abf50a79e331bb55
|
09e07d8b881f6b0292a4292b8b9a30a4ab5798f7
|
refs/heads/master
| 2020-05-18T13:32:08.074184 | 2015-03-21T12:17:50 | 2015-03-21T12:17:50 | 976,512 | 9 | 0 | null | 2014-04-26T12:30:09 | 2010-10-10T15:43:10 |
Scheme
|
UTF-8
|
Scheme
| false | false | 993 |
scm
|
denotation.scm
|
;;; -*- Mode: Scheme -*-
;;;; Riaxpander
;;;; Denotations
;;; Copyright (c) 2008, Taylor R. Campbell
;;; See the LICENCE file for licence terms and warranty disclaimer.
(define-record-type <classifier>
(make-classifier name procedure)
classifier?
(name classifier/name)
(procedure classifier/procedure))
(define-record-type <transformer>
(make-transformer environment auxiliary-names procedure source)
transformer?
(environment transformer/environment)
(auxiliary-names transformer/auxiliary-names)
(procedure transformer/procedure)
(source transformer/source))
(define-record-type <variable>
(make-variable name location)
variable?
(name variable/name)
(location variable/location))
(define (denotation=? denotation-a denotation-b)
(or (eq? denotation-a denotation-b)
(and (variable? denotation-a)
(variable? denotation-b)
(eqv? (variable/location denotation-a)
(variable/location denotation-b)))))
| false |
b9c662965e4ec64b5b4141acf3dc2131fae4a058
|
bf918ffa3f2d375ce913fe60b73be9946f0ddf75
|
/macros_new.scm
|
02fccf0194411a441ff31333eade09e3d9ea3318
|
[] |
no_license
|
codeasyb/Scheme
|
dd18ee65c6e2050f8a0ddb7a70b3a276b6960eff
|
989e7bd19c9ebe07901fb64a2dfa4c7547287194
|
refs/heads/main
| 2023-03-22T15:11:24.268914 | 2021-03-15T21:35:48 | 2021-03-15T21:35:48 | 348,129,202 | 1 | 0 | null | null | null | null |
UTF-8
|
Scheme
| false | false | 1,383 |
scm
|
macros_new.scm
|
;;; define unless macro, inspired by perl
;;; (unless b x y) is (if b y x)
(define-syntax unless
(syntax-rules ( )
((_ condition false-branch true-branch)
(if condition true-branch false-branch ) )))
;;; use unless
(define (safe-inverse x)
(unless (= x 0)
(/ 1 x)
'*infinity*))
;;; print x then space or newline
;;; (used by trace and tracem - see below)
(define (disp-sp x)
(display x)
(display " "))
(define (disp-nl x)
(display x)
(newline))
;;; a trace macro for instrumenting code.
;;; (trace label expr1 ... val) evals the exprs, then val
;;; prints label and values of exprs and val,
;;; returns value of val.
;;; (trace expr) is similar but no label
(define-syntax trace
(syntax-rules ( )
((_ label expr)
(let ((val expr))
(disp-sp 'label)
(disp-nl val)
val))
((_ expr)
(let ((val expr))
(disp-nl val)
val))))
;;; use trace
(define (fact n)
(trace f (if (= n 0) 1
(* n (fact (- n 1))))))
(define (fact2 n)
(trace (if (= n 0) 1
(* n (fact2 (- n 1))))))
(fact 3)
(fact2 3)
(define-syntax tracem
(syntax-rules ( )
((_ expr ... val)
(let ((result val))
(disp-sp expr) ...
(disp-nl result)
result))))
(define (factm n)
(tracem "arg" n "val"
(if (= n 0) 1
(* n (factm (- n 1))))))
(factm 3)
| true |
5b9de4026f032c09e1c2fa319a5c501f9af40214
|
cb8cccd92c0832e056be608063bbec8fff4e4265
|
/chapter1/Exercises/1.15_sine.scm
|
9e6a879660cd70058a88fdb33c76d271dff5279b
|
[] |
no_license
|
JoseLGF/SICP
|
6814999c5fb15256401acb9a53bd8aac75054a14
|
43f7a8e6130095e732c6fc883501164a48ab2229
|
refs/heads/main
| 2023-07-21T03:56:35.984943 | 2021-09-08T05:19:38 | 2021-09-08T05:19:38 | null | 0 | 0 | null | null | null | null |
UTF-8
|
Scheme
| false | false | 566 |
scm
|
1.15_sine.scm
|
#lang scheme
; Ex 1.15 Sine of an angle
; The sine of an angle (in radians) can be computed by making
; use of the approximation sin x ~ x if x is sufficiently
; small, and the trigonometric identity
; sin x = 3 * sin (x / 3) - 4 * (sin (x/3))^3
; to reduce the size of the argument of sin.
; An angle is considered sufficiently small if its magnitude
; is not greater than 0.1 radians.
(define (cube x) (* x x x))
(define (p x) (- (* 3 x) (* 4 (cube x))))
(define (sine angle)
(if (not (> (abs angle) 0.1))
angle
(p (sine (/ angle 3.0)))))
(sin 100.0)
| false |
85106638941b5298955d90b5720edd25098bcb7b
|
309e1d67d6ad76d213811bf1c99b5f82fa2f4ee2
|
/A11.ss
|
62a005cb61bcfdf10cf8e76c7e72a04120326719
|
[] |
no_license
|
lix4/CSSE304-Programming-Language-Concept-Code
|
d8c14c18a1baa61ab5d3df0b1ac650bdebc59526
|
dd94262865d880a357e85f6def697661e11c8e7a
|
refs/heads/master
| 2020-08-06T02:50:53.307301 | 2016-11-12T03:03:56 | 2016-11-12T03:03:56 | 73,528,000 | 1 | 1 | null | null | null | null |
UTF-8
|
Scheme
| false | false | 6,893 |
ss
|
A11.ss
|
;Xiwen Li
;Assignment11
(load "chez-init.ss")
(define-datatype expression expression?
[var-exp (id symbol?)]
[lambda-list-vars-exp
(id (list-checker symbol?))
(body (list-checker expression?))
]
[lambda-improp-exp
(id (list-checker improperlist?))
(body (list-checker expression?))
]
[lambda-sym-exp
(id symbol?)
(body (list-checker expression?))
]
[app-exp
(rator expression?)
(rand (list-checker expression?))
]
[lit-exp (id any-type?)]
[if-exp
(condition expression?)
(true expression?)
(false expression?)
]
[if-no-else-exp
(condition expression?)
(true expression?)
]
[letrec-exp
(id list?)
(body (list-checker expression?))
]
[let-exp
(id list?)
(body (list-checker expression?))
]
[let*-exp
(id list?)
(body (list-checker expression?))
]
[set!-exp
(var symbol?)
(val expression?)
]
)
(define list-checker
(lambda (pred)
(lambda (ls)
(or (null? ls) (and (pair? ls) (pred (car ls)) ((list-checker pred) (cdr ls)) ))
)
)
)
(define improperlist?
(lambda (x)
(and (pair? x) (not (list? x)))))
(define any-type?
(lambda (val)
(or (symbol? val) (number? val) (vector? val) (boolean? val))
)
)
(define 1st car)
(define 2nd cadr)
(define 3rd caddr)
(define parse-exp
(lambda (datum)
(cond
[(symbol? datum) (var-exp datum)]
[(literal? datum) (lit-exp datum)]
[(not (list? datum)) (eopl:error 'parse-exp "application ~s is not a proper list" datum)]
[(pair? datum)
(cond
[(eqv? (1st datum) 'lambda)
(cond
[(< (length datum) 3) (eopl:error 'parse-exp "lambda-expression: incorrect length ~s" datum)]
[else
(cond
[(list? (2nd datum))
(if (not (andmap symbol? (2nd datum)))
(eopl:error 'parse-exp "lambda argument list: formals must be symbols: ~s" (2nd datum))
(lambda-list-vars-exp (2nd datum) (map parse-exp (cddr datum)))
)]
[(symbol? (2nd datum)) (lambda-sym-exp (2nd datum) (map parse-exp (cddr datum)))]
[(improperlist (2nd datum)) (lambda-improp-exp (2nd datum)) (map parse-exp (cddr datum))]
)
]
)]
[(eqv? (1st datum) 'if)
(cond
[(> (length datum) 4) (eopl:error 'parse-exp "if-expression ~s does not have (only) test, then, and else" datum)]
[(<= (length datum) 2) (eopl:error 'parse-exp "if-expression ~s does not have (only) test, then, and else" datum)]
[(= (length datum) 3) (if-no-else-exp (parse-exp (2nd datum)) (parse-exp (3rd datum)))]
[else (if-exp (parse-exp (2nd datum)) (parse-exp (3rd datum)) (parse-exp (cadddr datum)))]
)]
[(eqv? (1st datum) 'let)
(cond
[(<= (length datum) 2) (eopl:error 'parse-exp "~s-expression has incorrect length ~s" datum)]
[(improperlist? (2nd datum)) (eopl:error 'parse-exp "Error in parse-exp decls: not a proper list: ~s" (2nd datum))]
[(and (not (eqv? (2nd datum) '())) (ormap improperlist? (2nd datum))) (eopl:error 'parse-exp "Error in parse-exp: decls: not all proper lists: ~s" (2nd datum))]
[(not (andmap (lambda (ls) (eqv? (length ls) 2)) (2nd datum))) (eopl:error 'parse-exp "decls: not all length 2: ~s" (2nd datum))]
[(not (andmap symbol? (map car (2nd datum)))) (eopl:error 'parse-exp "decls: first members must be symbols: ~s" (2nd datum))]
[else (let-exp (map l-id-process (2nd datum)) (map parse-exp (cddr datum)))]
)]
[(eqv? (1st datum) 'let*)
(cond
[(not (list? (2nd datum))) (eopl:error 'parse-exp "Error in parse-exp: let* declarations not a list" datum)]
[(<= (length datum) 2) (eopl:error 'parse-exp "~s-expression has incorrect length ~s" datum)]
[else
(cond
[(not (andmap (lambda (ls) (eqv? (length ls) 2)) (2nd datum))) (eopl:error 'parse-exp "decls: not all length 2: ~s" (2nd datum))]
[(not (andmap symbol? (map car (2nd datum)))) (eopl:error 'parse-exp "decls: first members must be symbols: ~s" (2nd datum))]
[else (let*-exp (map l-id-process (2nd datum)) (map parse-exp (cddr datum)))]
)
]
)
]
[(eqv? (1st datum) 'letrec)
(cond
[(<= (length datum) 2) (eopl:error 'parse-exp "Error in parse-expression: letrec expression: incorrect length: ~s" datum)]
[(not (list? (2nd datum))) (eopl:error 'parse-exp "Error in parse-exp: letrec: declarations is not a list" datum)]
[(not (andmap (lambda (ls) (eqv? (length ls) 2)) (2nd datum))) (eopl:error 'parse-exp "decls: not all length 2: ~s" (2nd datum))]
[(not (andmap symbol? (map car (2nd datum)))) (eopl:error 'parse-exp "decls: first members must be symbols: ~s" (2nd datum))]
[else (letrec-exp (map l-id-process (2nd datum)) (map parse-exp (cddr datum)))]
)
]
[(eqv? (1st datum) 'set!)
(cond
[(= (length datum) 3) (set!-exp (2nd datum) (parse-exp (3rd datum)))]
[(<= (length datum) 2) (eopl:error 'parse-exp "set! expression ~s does not have (only) variable and expression" datum)]
[(> (length datum) 3) (eopl:error 'parse-exp "set! expression ~s is too long" datum)]
)]
[else (app-exp (parse-exp (1st datum)) (map parse-exp (cdr datum)))]
)
]
[else (eopl:error 'parse-exp "bad expression: ~s" datum)]
)
)
)
(define unparse-exp
(lambda (exp)
(cases expression exp
[var-exp (datum) datum]
[lambda-sym-exp (id body) (append (list 'lambda id) (map unparse-exp body))]
[lambda-list-vars-exp (id body) (append (list 'lambda id) (map unparse-exp body))]
[lambda-improp-exp (id body) (list 'lambda id (map unparse-exp body))]
[app-exp (rator rand) (cons (unparse-exp rator) (map unparse-exp rand))]
[lit-exp (id) id]
[if-exp (condition true false) (list 'if (unparse-exp condition) (unparse-exp true) (unparse-exp false))]
[if-no-else-exp (condition true) (list 'if (unparse-exp condition) (unparse-exp true))]
[letrec-exp (id body) (append (list 'letrec (map l-id-process-for-unparse id)) (map unparse-exp body))]
[let-exp (id body) (append (list 'let (map l-id-process-for-unparse id)) (map unparse-exp body))]
[let*-exp (id body) (append (list 'let* (map l-id-process-for-unparse id)) (map unparse-exp body))]
[set!-exp (var val) (list var (unparse-exp val)) ]
)
)
)
(define l-id-process-for-unparse
(lambda (x)
(list (1st x) (unparse-exp (2nd x)))
)
)
(define l-id-process
(lambda (x)
(list (1st x) (parse-exp (2nd x)))
)
)
(define literal?
(lambda (val)
(or (number? val) (boolean? val) (symbol? val) (vector? val) (string? val))
)
)
| false |
84668264dd863dbf8c3359e5631c929183a9b565
|
ac2a3544b88444eabf12b68a9bce08941cd62581
|
/gsc/tests/67-s64vector/vectorset.scm
|
2837cff2156a3f855ff4040a819e800d8e374c8f
|
[
"Apache-2.0",
"LGPL-2.1-only"
] |
permissive
|
tomelam/gambit
|
2fd664cf6ea68859d4549fdda62d31a25b2d6c6f
|
d60fdeb136b2ed89b75da5bfa8011aa334b29020
|
refs/heads/master
| 2020-11-27T06:39:26.718179 | 2019-12-15T16:56:31 | 2019-12-15T16:56:31 | 229,341,552 | 1 | 0 |
Apache-2.0
| 2019-12-20T21:52:26 | 2019-12-20T21:52:26 | null |
UTF-8
|
Scheme
| false | false | 1,369 |
scm
|
vectorset.scm
|
(declare (extended-bindings) (not constant-fold) (not safe))
(define v1 (##s64vector -9223372036854775808 -111 0 111 9223372036854775807))
(define v2 (##make-s64vector 10 -9223372036854775808))
(define v3 (##make-s64vector 10 -111))
(define v4 (##make-s64vector 10))
(define v5 (##make-s64vector 10 111))
(define v6 (##make-s64vector 10 9223372036854775807))
(define (int= x y)
(if (##fixnum? x)
(and (##fixnum? y)
(##fx= x y))
(and (##bignum? x)
(##bignum? y)
(let ((len (##bignum.adigit-length x)))
(and (##fx= len (##bignum.adigit-length y))
(let loop ((i (##fx- len 1)))
(if (##fx< i 0)
(and (##bignum.adigit-= x y i)
(loop (##fx- i 1)))
#t)))))))
(define (test v i expected)
(println (##eq? v (##s64vector-set! v i 0)))
(let ((val (##s64vector-ref v i)))
(println (if (int= val 0) "good" "bad")))
(println (##eq? v (##s64vector-set! v i expected)))
(let ((val (##s64vector-ref v i)))
(println (if (int= val expected) "good" "bad"))))
(test v1 0 -9223372036854775808)
(test v1 1 -111)
(test v1 2 0)
(test v1 3 111)
(test v1 4 9223372036854775807)
(test v2 9 -9223372036854775808)
(test v3 9 -111)
(test v4 9 0)
(test v5 9 111)
(test v6 9 9223372036854775807)
| false |
bb18585d9359c9bcce37fbb2fca84eadefba9d47
|
be06d133af3757958ac6ca43321d0327e3e3d477
|
/99problems/42.scm
|
62815e9b0a7bba2024d5e748d02d12c24f87fbe4
|
[] |
no_license
|
aoyama-val/scheme_practice
|
39ad90495c4122d27a5c67d032e4ab1501ef9c15
|
f133d9326699b80d56995cb4889ec2ee961ef564
|
refs/heads/master
| 2020-03-13T12:14:45.778707 | 2018-04-26T07:12:06 | 2018-04-26T07:12:06 | 131,115,150 | 0 | 0 | null | null | null | null |
UTF-8
|
Scheme
| false | false | 409 |
scm
|
42.scm
|
(define (decode lis)
(apply append (map (lambda (pair) (repeat (car pair) (cdr pair))) lis)))
(define (repeat x n)
(let loop ((i 0) (result '()))
(cond
((= i n) result)
(else (loop (+ i 1) (cons x result))))))
(print (repeat 'a 0))
(print (repeat 'a 1))
(print (repeat 'a 2))
(print (repeat 'a 3))
(print (decode '((a . 3) (b . 2) (c . 1) (d . 5) (e . 1))))
; (a a a b b c d d d d d e)
| false |
5153b0aab4e373cd7f12dd85e0e1790317e98a43
|
a8216d80b80e4cb429086f0f9ac62f91e09498d3
|
/lib/scheme/file.sld
|
a43c52ac99c5d4cf1c0b8e313a06879f7f6d03fb
|
[
"BSD-3-Clause"
] |
permissive
|
ashinn/chibi-scheme
|
3e03ee86c0af611f081a38edb12902e4245fb102
|
67fdb283b667c8f340a5dc7259eaf44825bc90bc
|
refs/heads/master
| 2023-08-24T11:16:42.175821 | 2023-06-20T13:19:19 | 2023-06-20T13:19:19 | 32,322,244 | 1,290 | 223 |
NOASSERTION
| 2023-08-29T11:54:14 | 2015-03-16T12:05:57 |
Scheme
|
UTF-8
|
Scheme
| false | false | 317 |
sld
|
file.sld
|
(define-library (scheme file)
(import (chibi) (only (chibi filesystem) delete-file file-exists?))
(export
call-with-input-file call-with-output-file
delete-file file-exists?
open-binary-input-file open-binary-output-file
open-input-file open-output-file
with-input-from-file with-output-to-file))
| false |
0e703cb28156c526c90f75f5e149dcced6be55c1
|
6b1b5aec0c6f9f61afcd743a2c4eaf9616170f10
|
/cs154/circuit-simulator.scm
|
7d8b2363ffaaf2f98c58116637cae80bb954a892
|
[] |
no_license
|
mridulravi/personal-projects
|
56296fd2bdd761c9943334e6bb4b2b3f92940337
|
dcbde64baf0020dcfa8faf7e08ba7377ff884acd
|
refs/heads/master
| 2020-04-02T05:13:04.755512 | 2016-07-31T14:57:05 | 2016-07-31T14:57:05 | 64,591,612 | 0 | 0 | null | null | null | null |
UTF-8
|
Scheme
| false | false | 7,235 |
scm
|
circuit-simulator.scm
|
#lang racket
(define inverter%
(class object%
(init-field input)
(init-field output)
(init-field (inverter-delay 1))
(super-new)
(define (invert-input)
(let ([new-value (logical-not (send input get-signal))])
(after-delay inverter-delay
(lambda ()
(send output set-signal! new-value)))))
(define (logical-not s)
(cond ((equal? s 0) 1)
((equal? s 1) 0)
(else `undefined)))
(send input add-action! invert-input)
'ok))
(define and-gate%
(class object%
(init-field a1)
(init-field a2)
(init-field output)
(init-field (and-gate-delay 3))
(super-new)
(define (and-action-procedure)
(let ((new-value (logical-and (send a1 get-signal) (send a2 get-signal))))
(after-delay and-gate-delay
(lambda ()
(send output set-signal! new-value)))))
(define (logical-and s1 s2)
(cond ((and (equal? s1 0) (equal? s2 0)) 0)
((and (equal? s1 0) (equal? s2 1)) 0)
((and (equal? s1 1) (equal? s2 0)) 0)
((and (equal? s1 1) (equal? s2 1)) 1)
(else `undefined)))
(send a1 add-action! and-action-procedure)
(send a2 add-action! and-action-procedure)
'ok))
(define or-gate%
(class object%
(init-field a1)
(init-field a2)
(init-field output)
(init-field (or-gate-delay 2))
(super-new)
(define (or-action-procedure)
(let ((new-value (logical-or (send a1 get-signal)
(send a2 get-signal))))
(after-delay or-gate-delay
(lambda ()
(send output set-signal! new-value)))))
(define (logical-or s1 s2)
(cond ((and (equal? s1 0) (equal? s2 0)) 0)
((and (equal? s1 0) (equal? s2 1)) 1)
((and (equal? s1 1) (equal? s2 0)) 1)
((and (equal? s1 1) (equal? s2 1)) 1)
(else `undefined)))
(send a1 add-action! or-action-procedure)
(send a2 add-action! or-action-procedure)))
(define half-adder%
(class object%
(init-field a)
(init-field b)
(init-field s)
(init-field c)
(define d (make-object wire% "d"))
(define e (make-object wire% "e"))
(super-new)
(make-object or-gate% a b d)
(make-object and-gate% a b c)
(make-object inverter% c e)
(make-object and-gate% d e s)))
(define wire%
(class object%
(init wire-name)
(define name wire-name)
(define signal-value `undefined)
(define action-procedures '())
(super-new)
(define/public (get-name) name)
(define/public (get-signal) signal-value)
(define/public (set-signal! new-value)
(cond ((not (equal? signal-value new-value))
(begin
(set! signal-value new-value)
(call-each action-procedures)))))
(define/public (add-action! proc)
(set! action-procedures (cons proc action-procedures)))
(define (call-each procedures)
(if (null? procedures)
'done
(begin
((car procedures))
(call-each (cdr procedures)))))))
(define event-queue%
(class object%
(define current-time 0)
(define last-event-time 0)
(define queue (make-vector 20 `()))
(super-new)
(define/public (add-to-queue! time action)
(begin
(vector-set! queue time
(append (vector-ref queue time)
(list action)))
(cond ((> time last-event-time)
(set! last-event-time time)))))
(define (queue-empty?)
(> current-time last-event-time))
(define (increment-time!)
(set! current-time (+ current-time 1)))
(define (next-item-in-queue)
(vector-ref queue current-time))
(define/public (get-time)
current-time)
(define/public (propagate!)
(if (queue-empty?) 'done
(let ([action-list (next-item-in-queue)])
(begin
(execute! action-list)
(increment-time!)
(propagate!)))))
(define (execute! action-list)
(cond ((not (null? action-list))
(begin
((car action-list))
(execute! (cdr action-list))))))))
(define probe%
(class object%
(init-field wire)
(init-field queue)
(super-new)
(send wire add-action!
(lambda ()
(newline)
(display "time = ")
(display (send queue get-time ))
(newline)
(display "wire-name = ")
(display (send wire get-name))
(newline)
(display "New-value = ")
(display (send wire get-signal))
(newline)
(newline)))))
;(define (propagate queue)
; (if (send the-queue queue-empty?)
; 'done
; (let ((action-list (send the-queue next-item-in-queue)))
; (execute! action-list)
; (send queue increment-time!)
;; (send queue print) ; for debugging
; (propagate queue))))
;
;(define (execute! action-list)
; (cond ((not (null? action-list))
; (begin
; ((car action-list))
; (execute! (cdr action-list))))))
(define (after-delay delay action)
(send the-queue add-to-queue! (+ delay (send the-queue get-time)) action))
(define the-queue (make-object event-queue%))
(define a (make-object wire% "a"))
(define b (make-object wire% "b"))
(define s (make-object wire% "s"))
(define c (make-object wire% "c"))
(make-object probe% a the-queue)
(make-object probe% b the-queue)
(make-object probe% s the-queue)
(make-object probe% c the-queue)
(make-object half-adder% a b s c)
(send the-queue add-to-queue! 3 (lambda () (send b set-signal! 1)))
(send the-queue add-to-queue! 1 (lambda () (send a set-signal! 0)))
(send the-queue propagate!)
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;(define a (make-object wire% "a"))
;(define b (make-object wire% "b"))
;(define ci (make-object wire% "ci"))
;(define s (make-object wire% "s"))
;(define co (make-object wire% "co"))
;(make-object probe% "a" a the-queue)
;(make-object probe% "b" b the-queue)
;(make-object probe% "ci" ci the-queue)
;(make-object probe% "s" s the-queue)
;(make-object probe% "co" co the-queue)
;(make-object full-adder% a b ci s co)
;(send the-queue add-to-queue! 3 (lambda () (send b set-signal! 1)))
;(send the-queue add-to-queue! 1 (lambda () (send a set-signal! 0)))
;(send the-queue add-to-queue! 2 (lambda () (send ci set-signal! 1)))
;(define full-adder%
; (class object%
;
; (init-field a)
; (init-field b)
; (init-field ci)
; (init-field s)
; (init-field co)
;
; (define d (make-object wire% "d"))
; (define e (make-object wire% "e"))
; (define f (make-object wire% "f"))
;
; (super-new)
;
; (make-object half-adder% b ci d e)
; (make-object half-adder% a d s f)
; (make-object or-gate% f e co)))
| false |
62d3ea9754e42a8fbe9fe24a56658053c6b4f654
|
9b2eb10c34176f47f7f490a4ce8412b7dd42cce7
|
/lib/yunivm/vm/vmcore.sls
|
a692e8cc8c652bd8c73e72ffd8ee49d0b52aa33e
|
[
"LicenseRef-scancode-public-domain",
"CC0-1.0"
] |
permissive
|
okuoku/yuni
|
8be584a574c0597375f023c70b17a5a689fd6918
|
1859077a3c855f3a3912a71a5283e08488e76661
|
refs/heads/master
| 2023-07-21T11:30:14.824239 | 2023-06-11T13:16:01 | 2023-07-18T16:25:22 | 17,772,480 | 36 | 6 |
CC0-1.0
| 2020-03-29T08:16:00 | 2014-03-15T09:53:13 |
Scheme
|
UTF-8
|
Scheme
| false | false | 14,341 |
sls
|
vmcore.sls
|
(library (yunivm vm vmcore)
(export vmcore-new)
(import (yuni scheme))
;;
(define (vmcore-new imm-tbl query) ;; => cycle extra
;; Machine state
(define S* '())
(define S #f)
(define E* '())
(define E #f)
(define D* '())
(define V '())
(define IMMFRAME #f)
(define link 'none) ;; none | single | values | call | multi
;; Query(call-back)
(define constant (query 'CONSTANT)) ;; (imm)
(define global (query 'GLOBAL)) ;; (mod pos)
(define heapin (query 'HEAPIN))
(define heapout (query 'HEAPOUT))
(define make-closure (query 'MAKE-VMCLOSURE)) ;; (label env)
(define make-unspecified (query 'MAKE-UNSPECIFIED))
(define vm-args-compose (query 'VM-ARGS-COMPOSE)) ;; objs
(define vm-args-decompose (query 'VM-ARGS-DECOMPOSE)) ;; (obj cb)
(define vm-primitive? (query 'VM-PRIMITIVE?)) ;; (obj)
(define vm-primitive-id (query 'VM-PRIMITIVE-ID))
(define vm-primitive-proc (query 'VM-PRIMITIVE-PROC))
(define vm-returnpoint (query 'VM-RETURNPOINT))
(define vm-call-env (query 'VM-CALL-ENV)) ;; (obj)
(define vm-call-label (query 'VM-CALL-LABEL)) ;; (obj)
(define jump (query 'JUMP)) ;; (label)
(define branch (query 'BRANCH)) ;; (label obj)
(define set-gc-hook! (query 'HEAP-SET-GC-HOOK!))
(define gc-mark! (query 'HEAP-GC-MARK!))
(define frame-set! (query 'HEAP-FRAME-SET!))
(define frame-ref (query 'HEAP-FRAME-REF))
(define make-frame (query 'HEAP-MAKE-FRAME))
(define frame-length (query 'HEAP-FRAME-LENGTH))
(define frame->list (query 'HEAP-FRAME->LIST))
(define list->frame (query 'HEAP-LIST->FRAME))
(define chain-last (query 'HEAP-CHAIN-LAST))
(define chain-last? (query 'HEAP-CHAIN-LAST?))
(define chain-current (query 'HEAP-CHAIN-CURRENT))
(define chain-next (query 'HEAP-CHAIN-NEXT))
(define chain-cons (query 'HEAP-CHAIN-CONS))
(define chain-ref (query 'HEAP-CHAIN-REF))
(define hostkey (query 'HEAP-HOST-KEY))
(define hostfetch (query 'HEAP-HOST-FETCH))
(define (reset-vm-state!)
(set! S #f)
(set! S* (chain-last))
(set! E #f)
(set! E* (chain-last))
(set! D* (chain-last))
(set! V #f)
(set! link 'none)
(set! IMMFRAME (make-frame (vector-length imm-tbl)))
(set-gc-hook! gc-hook)
(gc-disable)
;; Fill imm table
(let loop ((idx 0))
(unless (= idx (vector-length imm-tbl))
(frame-set! IMMFRAME idx (heapin (vector-ref imm-tbl idx)))
(loop (+ idx 1))))
(gc-enable))
(define (gc-enable) (set-gc-hook! #t))
(define (gc-disable) (set-gc-hook! #f))
(define (gc-hook)
(when S
(gc-mark! S))
(gc-mark! S*)
(when E
(gc-mark! E))
(gc-mark! E*)
(gc-mark! D*)
(gc-mark! IMMFRAME)
(when V
(gc-mark! V)))
;; Register stack
(define (push-S! vec)
(let ((curS S))
(set! S vec)
(when curS
(set! S* (chain-cons curS S*)))))
(define (pop-S!)
(cond
((chain-last? S*)
(unless S
(error "Stack underflow(S)"))
(set! S #f))
(else
(let ((a (chain-current S*))
(d (chain-next S*)))
(set! S a)
(set! S* d)))))
(define (push-E! vec)
(let ((curE E))
(set! E vec)
(when curE
(set! E* (chain-cons curE E*)))))
(define (pop-E!)
(cond
((chain-last? E*)
(unless E
(error "Stack underflow(E)"))
(set! E #f))
(else
(let ((a (chain-current E*))
(d (chain-next E*)))
(set! E a)
(set! E* d)))))
(define (apply-env! obj)
(let ((top (chain-current obj))
(next (chain-next obj)))
(set! E top)
(set! E* next)
(set! S* (chain-last))))
;; OP macros
(define (set-value! val)
(set! V val)
(set! link 'single))
;; OPs
;; Env frame
(define (FRAME imm)
(let ((v (make-frame imm)))
(push-S! v)))
(define (RECV imm)
(define stack-len (frame-length S))
;(pp (list 'RECV: S))
(case link
((call)
(unless (= stack-len imm)
(error "Argument count unmatch" S imm))
(push-E! S))
((multi)
(when (= 0 stack-len)
(error "Null stack?? (FIXME)"))
(when (< imm stack-len)
(error "Argument count unmatch" S imm))
(let ((vec1 (make-frame imm))
(rest (frame-ref S (- stack-len 1))))
(vm-args-decompose
rest
(lambda objs
(let loop ((idx 0)
(cur objs))
(cond
((< idx (- stack-len 1))
(frame-set! vec1 idx (frame-ref S idx))
(loop (+ idx 1) cur))
(else
(frame-set! vec1 idx (car cur))
(unless (null? (cdr cur))
(loop (+ idx 1) (cdr cur))))))))
(push-E! vec1)))
(else
(error "Invalid link status" link))))
(define (RECVM imm)
(define stack-len (frame-length S))
;(pp (list 'RECVM: S))
(case link
((call)
(unless (<= imm stack-len)
(error "Argument count unmatch" S imm))
;; We have to use native pair to hold temporal values
;; Because we cannot hold values to VM register prevent GCs
(let loop ((idx 0)
(cur1 '())
(cur2 '()))
(cond
((< idx imm)
;; Collect arg1
(loop (+ idx 1) (cons (frame-ref S idx) cur1) cur2))
((= stack-len idx)
;; Push to E
(push-E! (list->frame (reverse (cons (apply vm-args-compose
(reverse cur2))
cur1)))) )
(else
;; Collect arg2
(loop (+ idx 1) cur1 (cons (frame-ref S idx) cur2))))))
((multi)
(cond
((= stack-len (+ imm 1))
;; Short cut
(push-E! S))
(else
;; Slow path
(let* ((l (reverse (frame->list S)))
(resto (car l))
(args0 (reverse (cdr l))))
(vm-args-decompose
resto
(lambda objs
(let ((args (append args0 objs)))
(unless (<= imm (length args))
(error "Argument count unmatch" S imm))
(let loop ((idx 0)
(cur '())
(rest args))
(cond
((< idx imm)
(when (null? rest)
(error "Argument count unmatch??? (FIXME)"))
(loop (+ idx 1) (cons (car rest) cur) (cdr rest)))
(else
(push-E! (list->frame
(reverse (cons (apply vm-args-compose rest)
cur))))))))))))))
(else
(error "Invalid link status" link))))
(define (BIND)
(push-E! S)
(pop-S!))
(define (LEAVE)
(pop-E!))
;; Branch/Call
(define (prepare-args type stack)
(case type
((call) (frame->list stack))
((multi)
(let ((l (frame->list stack)))
(cond
((null? l) '())
(else
(let* ((a0 (reverse l))
(rest (car a0))
(args (reverse (cdr a0))))
(vm-args-decompose
rest
(lambda objs
(append args objs))))))))
(else
(error "Invalid call type" type))))
(define (restorectx ctx)
;; Load values
(case link
((values)
(push-S! V))
((single)
(FRAME 1)
(MOV 0))
((none)
(FRAME 0))
(else
(error "Invalid link state for call-with-values" link)))
;; Load receiver
(set-value! ctx)
;; Call receiver
(TCALL))
(define (call-primitive! type)
(let ((l (prepare-args type S))
(id (vm-primitive-id V)))
;; Save current stack content to V to prevent premature GC collection
(case id
((-1) ;; apply
(set-value! S)
(pop-S!)
(unless (< 0 (length l))
(error "Invalid parameter for apply" l))
(let ((proc (car l))
(args (cdr l)))
(let ((flen (length args)))
(FRAME flen)
(let loop ((idx 0)
(x args))
(unless (= idx flen)
(set-value! (car x))
(MOV idx)
(loop (+ idx 1) (cdr x))))
(set-value! proc)
(TCALLM))))
((-2) ;; call-with-values
(set-value! S)
(pop-S!)
(unless (= (length l) 2)
(error "Invalid parameter for call-with-values" l))
(let ((send (car l))
(recv (cadr l)))
(save-dump-obj! recv restorectx)
;; Push nothing
(FRAME 0)
;; Load sender
(set-value! send)
;; Call sender
(TCALL)))
(else ;; Standard primitives
(let ((proc V)) ;; FIXME: We shouldn't need this as we
;; do not have callbacks any longer
(set-value! S)
(pop-S!)
(call-with-values
(lambda ()
(apply (vm-primitive-proc proc) l))
(lambda vals
;(pp (list 'RESULT: vals))
(case (length vals)
((0) (set! V #f)
(set! link 'none))
((1) (set! V (car vals))
(set! link 'single))
(else (set! V (list->frame vals))
(set! link 'values)))
(restore-dump!))))))))
(define (call-label! type)
(set! link type)
(apply-env! (vm-call-env V))
(jump (hostfetch (vm-call-label V))))
(define (save-dump-obj! ctx obj)
(set! D* (chain-cons (list->frame
(if ctx
(list S* E E* (hostkey obj) ctx)
(list S* E E* (hostkey obj))))
D*)))
(define (save-dump!)
(save-dump-obj! #f (vm-returnpoint)))
(define (restore-dump!)
(let ((a (chain-current D*))
(d (chain-next D*)))
(let ((ex-S* (frame-ref a 0))
(ex-E (frame-ref a 1))
(ex-E* (frame-ref a 2))
(returnpoint (hostfetch (frame-ref a 3))))
(set! S '())
(set! S* ex-S*)
(pop-S!)
(set! E ex-E)
(set! E* ex-E*)
(cond
;; Callbacks will use procedure as returnpoint
((procedure? returnpoint) (returnpoint (frame-ref a 4)))
(else (jump returnpoint))))
(set! D* d)))
(define (call-dispatch! type tail?)
(unless (eq? link 'single)
(error "Invalid object for call" V))
(let ((primitive? (vm-primitive? V)))
(unless tail?
(save-dump!))
(cond
(primitive?
(call-primitive! type))
(else
(call-label! type)))))
(define (CALL)
(call-dispatch! 'call #f))
(define (CALLM)
(call-dispatch! 'multi #f))
(define (TCALL)
(call-dispatch! 'call #t))
(define (TCALLM)
(call-dispatch! 'multi #t))
(define (RET)
(restore-dump!))
(define (JMP label)
(jump label))
(define (BRV label)
(unless (eq? link 'single)
(error "Invalid object for branch" V))
(branch label V))
;; Load/Store
(define (LD frm pos)
(cond
((= frm 0)
(set-value! (frame-ref E pos)))
(else
(let* ((offs (- frm 1))
(vec (chain-ref E* offs)))
(set-value! (frame-ref vec pos))))))
(define (LDG mod pos)
(set-value! (global mod pos)))
(define (LDF label)
(let* ((env (chain-cons E E*))
(key (hostkey label)))
;; chain-cons can cause GC
(set-value! (make-closure key env))))
(define (LDC cnr)
(set-value! (constant cnr)))
(define (LDV)
(case (frame-length S)
((1) (set! V (frame-ref S 0))
(set! link 'single))
((0) (set! V #f)
(set! link 'none))
(else
(set! V S)
(set! link 'values)))
(pop-S!))
(define (LDI imm)
(set-value! (frame-ref IMMFRAME imm)))
(define (LDN)
(set-value! (make-unspecified)))
(define (LDNN)
(set! link 'none))
(define (ST frm pos)
(unless (eq? link 'single)
(error "Invalid link status" link))
(cond
((= frm 0)
(frame-set! E pos V))
(else
(let* ((offs (- frm 1))
(vec (chain-ref E* offs)))
(frame-set! vec pos V)))))
(define (MOV loc)
(unless (eq? link 'single)
(error "Invalid link status" link))
(frame-set! S loc V))
;; Machine cycle
(define (cycle op arg0 arg1)
;(define (clean-V v)
; (if (pair? v)
; "pair-or-something..."
; v))
;(write (list 'cycle: op arg0 arg1 (list 'V: (clean-V V)))) (newline)
;(gc-disable)
(case op
((FRAME) (FRAME arg0))
((RECV) (RECV arg0))
((RECVM) (RECVM arg0))
((BIND) (BIND))
((LEAVE) (LEAVE))
((CALL) (CALL))
((CALLM) (CALLM))
((TCALL) (TCALL))
((TCALLM) (TCALLM))
((RET) (RET))
((JMP) (JMP arg0))
((BRV) (BRV arg0))
((LD) (LD arg0 arg1))
((LDG) (LDG arg0 arg1))
((LDF) (LDF arg0))
((LDC) (LDC arg0))
((LDV) (LDV))
((LDI) (LDI arg0))
((LDN) (LDN))
((LDNN) (LDNN))
((ST) (ST arg0 arg1))
((MOV) (MOV arg0))
(else
(error "Invalid opcode" (list op arg0 arg1))))
;(gc-enable)
)
;; Extra query
(define (extra op arg0 arg1)
(case op
((RESULT)
(case link
((single) (heapout V))
((values) (apply values (map heapout (frame->list V))))
((none) (values))
(else
(error "No result available" link V))))
(else
(error "Invalid extra request" (list op arg0 arg1)))) )
(reset-vm-state!)
(values cycle extra))
)
| false |
f82d86b0c912c47ad27c5df0a875b757f639589c
|
ecc64f06b59d01680c312066af53b3e79e1b1f7a
|
/tools/tgc.scm
|
ce3b43acaf6f13a7e654508c80d9eec97c884ae4
|
[
"0BSD"
] |
permissive
|
SourceReviver/s7-scheme
|
fd27942e9c16f48d7e7e968f122a0eb64f898e2e
|
a3d4824bac4f85a09710ad26075294a12c34b700
|
refs/heads/master
| 2023-08-18T19:52:49.400284 | 2021-09-26T09:32:15 | 2021-09-26T09:32:15 | 410,752,737 | 0 | 0 | null | null | null | null |
UTF-8
|
Scheme
| false | false | 4,549 |
scm
|
tgc.scm
|
(set! (*s7* 'heap-size) 128000) ; old-style
(load "s7test-block.so" (sublet (curlet) (cons 'init_func 'block_init)))
(define (check-cyclic p1)
(let ((c1 (cyclic-sequences p1))
(c2 (cyclic-sequences (copy p1)))
(c3 (cyclic-sequences (object->let p1))))
(unless (and (equal? c1 c2)
(equal? c2 c3))
(format *stderr* "cyclic: ~S: ~S ~S ~S~%" p1 c1 c2 c3))))
(define (tgc-cyclic tries)
(let ((wait (make-vector 200 #f)))
(do ((i 0 (+ i 1)))
((= i tries))
(let ((p1 (cons 1 2))
(p2 (list 1 1 1 1 1 1 1))
(p3 (list 1 2)))
(set-cdr! (cdr p3) p3)
(check-cyclic p1)
(check-cyclic p2)
(check-cyclic p3)
(let ((v1 (vector 1 2))
(v2 (make-vector 7 1))
(v3 (vector 1 2 3))
(v4 (make-vector '(3 2))))
(vector-set! v3 2 v3)
(check-cyclic v1)
(check-cyclic v2)
(check-cyclic v3)
(check-cyclic v4)
(check-cyclic (subvector v2 1 5))
(check-cyclic (subvector v3 1))
(let ((s1 (string #\a #\s #\d #\f)))
(check-cyclic s1)
(check-cyclic (substring s1 1))
(let ((iv1 (int-vector 1 2))
(iv2 (make-int-vector 7 1)))
(check-cyclic iv1)
(check-cyclic iv2)
(check-cyclic (subvector iv2 1 5))
(let ((h1 (hash-table 'a 1))
(h2 (weak-hash-table 'b p1)))
(check-cyclic h1)
(check-cyclic h2)
(let ((i1 (inlet 'a 1 'b 2)))
(check-cyclic i1)
(let ((in1 (open-output-string)))
(format in1 "asdf\n")
(check-cyclic in1)
(let ((in2 (open-input-string "asdf\n")))
(read-line in2)
(check-cyclic in2)
(let ((c1 (c-pointer 0 integer? "info" (cons h1 h2) (vector p3 p2 p1))))
(check-cyclic c1)
(let ((cc (call/cc (lambda (ret) ret))))
(check-cyclic cc)
(let ((ex1 (call-with-exit
(lambda (go)
(check-cyclic go)
go))))
(let ((f1 (lambda (a b c) (+ a b c))))
(check-cyclic f1)
(let ((u1 #<asdf>))
(check-cyclic u1)
(let ((g1 (gensym)))
(check-cyclic g1)
(check-cyclic ())
(check-cyclic #<unspecified)
(check-cyclic when)
(check-cyclic #<eof>)
(check-cyclic #f)
(check-cyclic #\a)
(check-cyclic pi)
(check-cyclic 1/2)
(check-cyclic 1+i)
(check-cyclic 'a)
(check-cyclic (lambda (a) (+ a 1)))
(let ((it1 (make-iterator '(1 2 3))))
(check-cyclic it1)
(let ((b1 (block 1 2 3)))
(check-cyclic b1)
(for-each
(lambda (a)
(let ((pos (random 200)))
(if (eq? (vector-ref wait pos) #\c) ; just check that it hasn't been freed
(format *stderr* "~S?" (vector-ref wait pos)))
(vector-set! wait pos a))
(dynamic-wind
#f
(lambda ()
(catch #t
(lambda ()
(call-with-exit
(lambda (r)
(r a))))
(lambda (type info)
(format *stderr* "~A: ~A~%" type (apply format #f info)))))
#f))
(list p1 p2 p3 v1 v2 v3 v4 s1 iv2 iv2 h1 h2 i1 in1 in2 c1 cc ex1 u1 g1 it1 b1)))))))))))))))))))))
(tgc-cyclic 25000)
(define (tgc tries)
(do ((wait (make-vector 200 #f))
(i 0 (+ i 1)))
((= i tries))
(let ((p1 (cons 1 2))
(p2 (list 1 1 1 1 1 1 1))
(p3 (list 1 2))
(v1 (vector 1 2))
(v2 (make-vector 7 1))
(v3 (vector 1 2 3))
(v4 (make-vector '(3 2)))
(s1 (string #\a #\s #\d #\f))
(iv2 (make-int-vector 7 1))
(h1 (hash-table 'a 1))
(i1 (inlet 'a 1 'b 2))
(in1 (open-output-string))
(in2 (open-input-string "asdf\n"))
(cc (call/cc (lambda (ret) ret)))
(ex1 (call-with-exit
(lambda (go)
go)))
(f1 (lambda (a b c) (+ a b c)))
(u1 #<asdf>)
(g1 (gensym))
(it1 (make-iterator '(1 2 3)))
(b1 (block 1 2 3)))
(set-cdr! (cdr p3) p3)
(vector-set! v3 2 v3)
(format in1 "asdf\n")
(read-line in2)
(let* ((h2 (weak-hash-table 'b p1))
(c1 (c-pointer 0 integer? "info" (cons h1 h2) (vector p3 p2 p1))))
(for-each
(lambda (a)
(let ((pos (random 200)))
(if (eq? (vector-ref wait pos) #\c) ; just check that it hasn't been freed
(format *stderr* "~S?" (vector-ref wait pos)))
(vector-set! wait pos a))
(dynamic-wind
#f
(lambda ()
(catch #t
(lambda ()
(call-with-exit
(lambda (r)
(r a))))
(lambda (type info)
(format *stderr* "~A: ~A~%" type (apply format #f info)))))
#f))
(list p1 p2 p3 v1 v2 v3 v4 s1 iv2 iv2 h1 h2 i1 in1 in2 c1 cc ex1 u1 g1 it1 b1))))))
(tgc 200000)
;(tgc 1000000000)
(exit)
| false |
871c4c7e77febe4a2e6fb73dedd4368e3c1a76ed
|
2861d122d2f859f287a9c2414057b2768870b322
|
/lib/aeolus/misc/record/opaque-cell.scm
|
49aff6d250c1a6eec5b1f466506fc4510af35896
|
[
"BSD-3-Clause"
] |
permissive
|
ktakashi/aeolus
|
c13162e47404ad99c4834da6677fc31f5288e02e
|
2a431037ea53cb9dfb5b585ab5c3fbc25374ce8b
|
refs/heads/master
| 2016-08-10T08:14:20.628720 | 2015-10-13T11:18:13 | 2015-10-13T11:18:13 | 43,139,534 | 5 | 0 | null | null | null | null |
UTF-8
|
Scheme
| false | false | 1,980 |
scm
|
opaque-cell.scm
|
;; Opaque cells for R6RS Records
;; Based on the SRFI implementation:
; Copyright (C) Michael Sperber (2005). All Rights Reserved.
;
; Permission is hereby granted, free of charge, to any person
; obtaining a copy of this software and associated documentation files
; (the "Software"), to deal in the Software without restriction,
; including without limitation the rights to use, copy, modify, merge,
; publish, distribute, sublicense, and/or sell copies of the Software,
; and to permit persons to whom the Software is furnished to do so,
; subject to the following conditions:
;
; The above copyright notice and this permission notice shall be
; included in all copies or substantial portions of the Software.
;
; THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
; EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
; MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
; NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
; BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
; ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
; CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
; SOFTWARE.
;; modified by Takashi Kato
;; - stripped library
;; - change record-name
;; - don't use assertion-violation
(scheme:define-record-type <opaque-cell>
(make-opaque-cell key-predicate contents)
opaque-cell?
(key-predicate opaque-cell-key-predicate)
(contents real-opaque-cell-ref real-opaque-cell-set!))
(define (ensure-opaque-cell-access key cell)
(if (not ((opaque-cell-key-predicate cell) key))
(error "access to opaque cell denied" cell key)))
(define (opaque-cell-ref key cell)
(ensure-opaque-cell-access key cell)
(real-opaque-cell-ref cell))
(define (opaque-cell-set! key cell val)
(ensure-opaque-cell-access key cell)
(real-opaque-cell-set! key val))
(define (opaque-cell-key-fits? key cell)
(and ((opaque-cell-key-predicate cell) key) #t))
| false |
5b865430569d3bc30acb265b389a220877186871
|
e7d3de04e42b598d01b85327c3b8a1947f0347c9
|
/ideas.scm
|
d595aac0cb81eb0c0c61b883709683beb650a9fd
|
[] |
no_license
|
beoliver/belang
|
b8a73d9a7ebda15cab803e7d03a0fe6833005041
|
9a17d1ffa312b73dc3052657a1b710047c08de8a
|
refs/heads/master
| 2020-05-16T21:32:51.724350 | 2015-06-02T08:59:13 | 2015-06-02T08:59:13 | 35,674,665 | 1 | 0 | null | null | null | null |
UTF-8
|
Scheme
| false | false | 2,038 |
scm
|
ideas.scm
|
(fun
(<pattern> -> <body>)
...
(<pattern> -> <body>))
;; currently
(guard
(<pattern> <body>)
...
(<pattern> <body>))
(guard
((x y 10) (+ x y))
((x y 20) (display "twenty") (* x y)))
;; this will become...
(fun
(x y 10 -> (+ x y))
(x y 20 -> (display "twenty") (* x y)))
(define (parse-fun-clause head body)
(if (eq? (car body) '->)
(cons (reverse head) (cdr body))
(parse-fun-clause (cons (car body) head) (cdr body))))
(define (sf-fun x)
(let* ((clauses (cdr x))
(parsed-clauses (map (lambda (clause) (parse-fun-clause (list) clause)) clauses)))
(sf-guard (cons 'guard parsed-clauses)))) ;; now eval and convert to lambdas
;; we will also alow for named lambdas
;; is there a nicer way of calling a lambda
((fun (x) -> x) 1)
(fun (x) -> x) 1
(define example
'(lambda (n)
(display n)
(newline)
(if (not (= n 0))
(this (- n 1)))))
(define (sf-lambda lambda-exp env)
(let* ((this-env (cons '() env))
(this-closure (list 'closure (cadr lambda-exp) (cddr lambda-exp) this-env)))
(set-car! this-env (cons (cons 'this this-closure) (car this-env)))
this-closure))
// a lambda function
(<pattern> -> <body>)
// would be fun if all functions were curried
(def <symbol> <body>)
(def add-1 (+ 1))
(+ 1)
// what about functions that do not have a fixed arity?
// (+ 1 2 3 4 5 ... n) == (apply + '(1 2 3 4 5 ... n))
// in belang like scheme, functions can have fixed arity or arbitrary arity...
// functions that have fixed arity are curried until the point that they become callable
// functions that have arbitrary arity are curried indefinitely... they are then passed to a call function
(def add +)
(def add' (+ 1 2 3 4))
(def add'' (add' 5 6 7 8))
((add''))
(define
(call-applied-function f)
((f)))
// prolog|erlang style pattern matching?
(def factorial
(0 -> 1)
(N -> (* N (factorial (- N 1)))))
(def cons
(X Y ->
(SELECTOR -> (SELECTOR X Y))))
(def car
(CELL ->
(CELL (X Y -> X))))
| false |
ba483bf27e50a1f6eb0db77200292f90b8ad14d7
|
4b480cab3426c89e3e49554d05d1b36aad8aeef4
|
/chapter-02/ex2.28-falsetru-test.scm
|
095907d16c7f3308b33bcfe36e21615a87921739
|
[] |
no_license
|
tuestudy/study-sicp
|
a5dc423719ca30a30ae685e1686534a2c9183b31
|
a2d5d65e711ac5fee3914e45be7d5c2a62bfc20f
|
refs/heads/master
| 2021-01-12T13:37:56.874455 | 2016-10-04T12:26:45 | 2016-10-04T12:26:45 | 69,962,129 | 0 | 0 | null | null | null | null |
UTF-8
|
Scheme
| false | false | 419 |
scm
|
ex2.28-falsetru-test.scm
|
(require (planet schematics/schemeunit:3))
(require (planet schematics/schemeunit:3/text-ui))
(load "ex2.28-falsetru.scm")
(define x (list (list 1 2) (list 3 4)))
(define ex2.28-falsetru-tests
(test-suite
"Test for ex2.28-falsetru"
(check-equal? (fringe x) '(1 2 3 4))
(check-equal? (fringe (list x x)) '(1 2 3 4 1 2 3 4))
))
(exit
(cond
((= (run-tests ex2.28-falsetru-tests) 0))
(else 1)))
| false |
e4a00eb93ef442eb707da014bf0c7a044ea62119
|
c63772c43d0cda82479d8feec60123ee673cc070
|
/ch1/24.scm
|
d42071466ca6be8675dd3908d03ac2009780d6f7
|
[
"Apache-2.0"
] |
permissive
|
liuyang1/sicp-ans
|
26150c9a9a9c2aaf23be00ced91add50b84c72ba
|
c3072fc65baa725d252201b603259efbccce990d
|
refs/heads/master
| 2021-01-21T05:02:54.508419 | 2017-09-04T02:48:46 | 2017-09-04T02:48:52 | 14,819,541 | 2 | 0 | null | null | null | null |
UTF-8
|
Scheme
| false | false | 557 |
scm
|
24.scm
|
#lang racket
(require "prime-check.rkt")
; random function generate pseudo-random number [0, n)
; it only could generate in [0, 4294967087)
;
; don't save fermat test random value,
; when n is large, collision probablity is so low, we don't need to save it.
(define (fermat-test n)
(define (try-it a)
(= (expmod a n n) a))
(try-it (+ 1 (random (- n 1)))))
(define (fast-prime? n times)
(cond ((= times 0) #t)
((fermat-test n) (fast-prime? n (- times 1)))
(else #f)))
(set-prime?! (lambda (n) (fast-prime? n 100)))
(test-case)
| false |
2ddfcff21384e17f2ed59b0156ae70d7b78a2e29
|
be32518c6f54b0ab1eaf33f53405ac1d2e1023c2
|
/np/lang/macros/test/define-language/test-define-language.ss
|
a81a3fe82da65757562f02e0ffbabb13a92a84bd
|
[
"BSD-3-Clause",
"BSD-2-Clause"
] |
permissive
|
ilammy/np
|
7990302bc30fe7802a7f4fc33d8fa7449ef8b011
|
0e3cbdea0eb2583f9b272d97bc408011af6a7947
|
refs/heads/master
| 2016-09-05T17:11:03.893011 | 2015-06-13T16:37:39 | 2015-06-13T16:37:39 | 23,740,287 | 1 | 0 | null | 2015-06-13T16:39:43 | 2014-09-06T17:19:46 |
Scheme
|
UTF-8
|
Scheme
| false | false | 1,507 |
ss
|
test-define-language.ss
|
(import (scheme base)
(np lang macros define-language)
(np lang descriptions language)
(sr ck)
(sr ck kernel)
(te base)
(te conditions assertions)
(te utils verify-test-case))
; - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - ;
(define-test-case (test:define-language "Smoke tests of the interface macro")
(define (assert-defined-language language)
(assert-true (language-description? language)) )
(define (assert-defined-procedure procedure)
(assert-true (procedure? procedure)) )
(define-test ("Empty language")
(define-language Foo)
(assert-defined-language Foo) )
(define-test ("Standlone language")
(define-language Foo
(predicate Foo?)
(parser parse-Foo)
(unparser unparse-Foo)
(terminals
(number number? (n i j k))
(boolean boolean? (b)) )
(Pair Pair? (Pair)
(n b) (n n) (b n) (b b) ) )
(assert-defined-language Foo)
(assert-defined-procedure Foo?)
(assert-defined-procedure parse-Foo)
(assert-defined-procedure unparse-Foo)
(assert-defined-procedure Pair?) )
(define-test ("Extension language")
(define-language Foo
(Empty (e)
() ) )
(define-language Bar
(extends Foo)
(terminals
(+ (number number? (n))) )
(! (Empty Empty? ((+ g)))) )
(assert-defined-language Foo)
(assert-defined-language Bar) )
)
(verify-test-case! test:define-language)
| false |
89c5ebe0bef523f17e73cb3f2450a1806bed873b
|
f59b3ca0463fed14792de2445de7eaaf66138946
|
/section-4/4_57.scm
|
a548dc76c317fd1fd5a356fb0dc97c5148dfabcf
|
[] |
no_license
|
uryu1994/sicp
|
f903db275f6f8c2da0a6c0d9a90c0c1cf8b1e718
|
b14c728bc3351814ff99ace3b8312a651f788e6c
|
refs/heads/master
| 2020-04-12T01:34:28.289074 | 2018-06-26T15:17:06 | 2018-06-26T15:17:06 | 58,478,460 | 0 | 1 | null | 2018-06-20T11:32:33 | 2016-05-10T16:53:00 |
Scheme
|
UTF-8
|
Scheme
| false | false | 611 |
scm
|
4_57.scm
|
(load "./microshaft")
(query-driver-loop)
(assert! (rule (same ?x ?x)))
(assert! (rule (replace ?person1 ?person2)
(and
(or (and (job ?person1 ?job)
(job ?person2 ?job))
(and (job ?person1 ?job1)
(job ?person2 ?job2)
(can-do-job ?job2 ?job1)))
(not (same ?person1 ?person2)))))
;; a
(replace (Fect Cy D) ?who)
;; b
(and (salary ?person ?salary)
(replace ?person ?somebody)
(salary ?somebody ?somebody-salary)
(lisp-value > ?somebody-salary ?salary))
| false |
7929ab238e4e198ecb8a714e2dadb376ac80f40d
|
a4512643fa4feabf7e81b62733043bfbaadb6a98
|
/interfaces.scm
|
74f3ce20bb78c66a57c7e1619b42df0083ed598e
|
[] |
no_license
|
scheme/terminfo
|
293c8009408d5743d249b8a29504256958849971
|
45541fdb8ffbc51dc1c894ac447a21161688fe1e
|
refs/heads/master
| 2016-09-05T11:01:22.049064 | 2010-10-25T18:01:39 | 2010-10-25T18:01:39 | 6,118,942 | 6 | 3 | null | null | null | null |
UTF-8
|
Scheme
| false | false | 12,001 |
scm
|
interfaces.scm
|
;;; -*- Mode: Scheme; scheme48-package: terminfo -*-
(define-interface terminfo-core-interface
(export *current-terminal* *terminfo-directories*
*capabilities* (capability-available? :syntax)
setup-terminal
console-input-port console-output-port
terminal:baud-rate terminal:port
terminal:capability terminal:names
terminal:x-size terminal:y-size
tparm tputs))
(define-interface terminfo-capabilities-interface
(export auto-left-margin
auto-right-margin
no-esc-ctlc
ceol-standout-glitch
eat-newline-glitch
erase-overstrike
generic-type
hard-copy
has-meta-key
has-status-line
insert-null-glitch
memory-above
memory-below
move-insert-mode
move-standout-mode
over-strike
status-line-esc-ok
dest-tabs-magic-smso
tilde-glitch
transparent-underline
xon-xoff
needs-xon-xoff
prtr-silent
hard-cursor
non-rev-rmcup
no-pad-char
non-dest-scroll-region
can-change
back-color-erase
hue-lightness-saturation
col-addr-glitch
cr-cancels-micro-mode
has-print-wheel
row-addr-glitch
semi-auto-right-margin
cpi-changes-res
lpi-changes-res
backspaces-with-bs
crt-no-scrolling
no-correctly-working-cr
gnu-has-meta-key
linefeed-is-newline
has-hardware-tabs
return-does-clr-eol
columns
init-tabs
lines
lines-of-memory
magic-cookie-glitch
padding-baud-rate
virtual-terminal
width-status-line
num-labels
label-height
label-width
max-attributes
maximum-windows
max-colors
max-pairs
no-color-video
buffer-capacity
dot-vert-spacing
dot-horz-spacing
max-micro-address
max-micro-jump
micro-col-size
micro-line-size
number-of-pins
output-res-char
output-res-line
output-res-horz-inch
output-res-vert-inch
print-rate
wide-char-size
buttons
bit-image-entwining
bit-image-type
magic-cookie-glitch-ul
carriage-return-delay
new-line-delay
backspace-delay
horizontal-tab-delay
number-of-function-keys
back-tab
bell
carriage-return
change-scroll-region
clear-all-tabs
clear-screen
clr-eol
clr-eos
column-address
command-character
cursor-address
cursor-down
cursor-home
cursor-invisible
cursor-left
cursor-mem-address
cursor-normal
cursor-right
cursor-to-ll
cursor-up
cursor-visible
delete-character
delete-line
dis-status-line
down-half-line
enter-alt-charset-mode
enter-blink-mode
enter-bold-mode
enter-ca-mode
enter-delete-mode
enter-dim-mode
enter-insert-mode
enter-secure-mode
enter-protected-mode
enter-reverse-mode
enter-standout-mode
enter-underline-mode
erase-chars
exit-alt-charset-mode
exit-attribute-mode
exit-ca-mode
exit-delete-mode
exit-insert-mode
exit-standout-mode
exit-underline-mode
flash-screen
form-feed
from-status-line
init-1string
init-2string
init-3string
init-file
insert-character
insert-line
insert-padding
key-backspace
key-catab
key-clear
key-ctab
key-dc
key-dl
key-down
key-eic
key-eol
key-eos
key-f0
key-f1
key-f10
key-f2
key-f3
key-f4
key-f5
key-f6
key-f7
key-f8
key-f9
key-home
key-ic
key-il
key-left
key-ll
key-npage
key-ppage
key-right
key-sf
key-sr
key-stab
key-up
keypad-local
keypad-xmit
lab-f0
lab-f1
lab-f10
lab-f2
lab-f3
lab-f4
lab-f5
lab-f6
lab-f7
lab-f8
lab-f9
meta-off
meta-on
new-line
pad-char
parm-dch
parm-delete-line
parm-down-cursor
parm-ich
parm-index
parm-insert-line
parm-left-cursor
parm-right-cursor
parm-rindex
parm-up-cursor
pkey-key
pkey-local
pkey-xmit
print-screen
prtr-off
prtr-on
repeat-char
reset-1string
reset-2string
reset-3string
reset-file
restore-cursor
row-address
save-cursor
scroll-forward
scroll-reverse
set-attributes
set-tab
set-window
tab
to-status-line
underline-char
up-half-line
init-prog
key-a1
key-a3
key-b2
key-c1
key-c3
prtr-non
char-padding
acs-chars
plab-norm
key-btab
enter-xon-mode
exit-xon-mode
enter-am-mode
exit-am-mode
xon-character
xoff-character
ena-acs
label-on
label-off
key-beg
key-cancel
key-close
key-command
key-copy
key-create
key-end
key-enter
key-exit
key-find
key-help
key-mark
key-message
key-move
key-next
key-open
key-options
key-previous
key-print
key-redo
key-reference
key-refresh
key-replace
key-restart
key-resume
key-save
key-suspend
key-undo
key-sbeg
key-scancel
key-scommand
key-scopy
key-screate
key-sdc
key-sdl
key-select
key-send
key-seol
key-sexit
key-sfind
key-shelp
key-shome
key-sic
key-sleft
key-smessage
key-smove
key-snext
key-soptions
key-sprevious
key-sprint
key-sredo
key-sreplace
key-sright
key-srsume
key-ssave
key-ssuspend
key-sundo
req-for-input
key-f11
key-f12
key-f13
key-f14
key-f15
key-f16
key-f17
key-f18
key-f19
key-f20
key-f21
key-f22
key-f23
key-f24
key-f25
key-f26
key-f27
key-f28
key-f29
key-f30
key-f31
key-f32
key-f33
key-f34
key-f35
key-f36
key-f37
key-f38
key-f39
key-f40
key-f41
key-f42
key-f43
key-f44
key-f45
key-f46
key-f47
key-f48
key-f49
key-f50
key-f51
key-f52
key-f53
key-f54
key-f55
key-f56
key-f57
key-f58
key-f59
key-f60
key-f61
key-f62
key-f63
clr-bol
clear-margins
set-left-margin
set-right-margin
label-format
set-clock
display-clock
remove-clock
create-window
goto-window
hangup
dial-phone
quick-dial
tone
pulse
flash-hook
fixed-pause
wait-tone
user0
user1
user2
user3
user4
user5
user6
user7
user8
user9
orig-pair
orig-colors
initialize-color
initialize-pair
set-color-pair
set-foreground
set-background
change-char-pitch
change-line-pitch
change-res-horz
change-res-vert
define-char
enter-doublewide-mode
enter-draft-quality
enter-italics-mode
enter-leftward-mode
enter-micro-mode
enter-near-letter-quality
enter-normal-quality
enter-shadow-mode
enter-subscript-mode
enter-superscript-mode
enter-upward-mode
exit-doublewide-mode
exit-italics-mode
exit-leftward-mode
exit-micro-mode
exit-shadow-mode
exit-subscript-mode
exit-superscript-mode
exit-upward-mode
micro-column-address
micro-down
micro-left
micro-right
micro-row-address
micro-up
order-of-pins
parm-down-micro
parm-left-micro
parm-right-micro
parm-up-micro
select-char-set
set-bottom-margin
set-bottom-margin-parm
set-left-margin-parm
set-right-margin-parm
set-top-margin
set-top-margin-parm
start-bit-image
start-char-set-def
stop-bit-image
stop-char-set-def
subscript-characters
superscript-characters
these-cause-cr
zero-motion
char-set-names
key-mouse
mouse-info
req-mouse-pos
get-mouse
set-a-foreground
set-a-background
pkey-plab
device-type
code-set-init
set0-des-seq
set1-des-seq
set2-des-seq
set3-des-seq
set-lr-margin
set-tb-margin
bit-image-repeat
bit-image-newline
bit-image-carriage-return
color-names
define-bit-image-region
end-bit-image-region
set-color-band
set-page-length
display-pc-char
enter-pc-charset-mode
exit-pc-charset-mode
enter-scancode-mode
exit-scancode-mode
pc-term-options
scancode-escape
alt-scancode-esc
enter-horizontal-hl-mode
enter-left-hl-mode
enter-low-hl-mode
enter-right-hl-mode
enter-top-hl-mode
enter-vertical-hl-mode
set-a-attributes
set-pglen-inch
termcap-init2
termcap-reset
linefeed-if-not-lf
backspace-if-not-bs
other-non-function-keys
arrow-key-map
acs-ulcorner
acs-llcorner
acs-urcorner
acs-lrcorner
acs-ltee
acs-rtee
acs-btee
acs-ttee
acs-hline
acs-vline
acs-plus
memory-lock
memory-unlock
box-chars-1
))
(define-interface terminfo-interface
(compound-interface terminfo-core-interface terminfo-capabilities-interface))
| false |
ae4cb25f7bf6e8b62e932e96ccbd00570e9a2bd2
|
185024f40e1ceed452781a1f3f57e6d16f57d799
|
/bonfire/all-tests.ss
|
b5721ffded6917366969acc6d247e86f8696fa51
|
[] |
no_license
|
noelwelsh/numeric
|
b82cd4ca9e4afb18df0129ec2231fc03f9b66450
|
ac4488cf8cc6f0558f74ca9b8faad0f198e76a84
|
refs/heads/master
| 2021-01-18T21:32:27.393991 | 2010-02-22T14:05:19 | 2010-02-22T14:05:19 | 275,898 | 1 | 0 | null | null | null | null |
UTF-8
|
Scheme
| false | false | 1,060 |
ss
|
all-tests.ss
|
;;;
;;; Time-stamp: <2009-06-12 16:47:13 noel>
;;;
;;; Copyright (C) by Noel Welsh.
;;;
;;; This library is free software; you can redistribute it
;;; and/or modify it under the terms of the GNU Lesser
;;; General Public License as published by the Free Software
;;; Foundation; either version 2.1 of the License, or (at
;;; your option) any later version.
;;; This library is distributed in the hope that it will be
;;; useful, but WITHOUT ANY WARRANTY; without even the
;;; implied warranty of MERCHANTABILITY or FITNESS FOR A
;;; PARTICULAR PURPOSE. See the GNU Lesser General Public
;;; License for more details.
;;; You should have received a copy of the GNU Lesser
;;; General Public License along with this library; if not,
;;; write to the Free Software Foundation, Inc., 59 Temple
;;; Place, Suite 330, Boston, MA 02111-1307 USA
;;; Author: Noel Welsh <[email protected]>
;;
;;
;; Commentary:
#lang scheme/base
(require (planet schematics/schemeunit:3/test)
"frame-test.ss")
(define/provide-test-suite all-tests
frame-tests
)
| false |
bdcc47e4ed05e5d47673be4000fb96eb92cb0205
|
000dbfe5d1df2f18e29a76ea7e2a9556cff5e866
|
/ext/all-tests.scm
|
70db590d681e8d6e1de2931b50af16794a035534
|
[
"BSD-3-Clause",
"LicenseRef-scancode-other-permissive",
"MIT",
"BSD-2-Clause"
] |
permissive
|
ktakashi/sagittarius-scheme
|
0a6d23a9004e8775792ebe27a395366457daba81
|
285e84f7c48b65d6594ff4fbbe47a1b499c9fec0
|
refs/heads/master
| 2023-09-01T23:45:52.702741 | 2023-08-31T10:36:08 | 2023-08-31T10:36:08 | 41,153,733 | 48 | 7 |
NOASSERTION
| 2022-07-13T18:04:42 | 2015-08-21T12:07:54 |
Scheme
|
UTF-8
|
Scheme
| false | false | 2,792 |
scm
|
all-tests.scm
|
;; all tests for extensions
(add-load-path ".")
(add-load-path "../lib")
(add-load-path "../sitelib")
(cond-expand
(sagittarius.os.windows
(add-dynamic-load-path "../build/modules"))
(else
(add-dynamic-load-path "../build")))
(import (rnrs) (util file) (core errors) (srfi :39 parameters)
(srfi :64 testing))
(define-constant resource-file ".sagittarius-exttestrc")
(define search-path #f)
(if (file-exists? resource-file)
(call-with-input-file resource-file
(lambda (p)
(let ((line (get-line p)))
(unless (eof-object? line)
(set! search-path line)
(do ((path (get-line p) (get-line p)))
((eof-object? path))
(add-load-path path))))))
;; to avoid to use installed time library. for ext/thread
(add-load-path "./time"))
(define (test-on-test-end-detail runner)
(define (%test-write-result1 pair port)
(display " " port)
(display (car pair) port)
(display ": " port)
(write (cdr pair) port)
(newline port))
(let ((log (test-runner-aux-value runner))
(kind (test-result-ref runner 'result-kind)))
(when (memq kind '(fail))
(let* ((results (test-result-alist runner))
(source-file (assq 'source-file results))
(source-line (assq 'source-line results))
(test-name (assq 'test-name results)))
(when (or source-file source-line)
(if source-file (display (cdr source-file)))
(display ":")
(if source-line (display (cdr source-line)))
(display ":"))
(display (if (eq? kind 'xpass) "XPASS" "FAIL"))
(when test-name
(display " ")(display (cdr test-name)))
(newline))
(let ((expected (test-result-ref runner 'expected-value))
(actual (test-result-ref runner 'actual-value)))
(display #\tab)(display "expected value: ")(display expected)(newline)
(display #\tab)(display " actual value: ")(display actual)(newline)))
(when (output-port? log)
(display "Test end:" log)
(newline log)
(let loop ((list (test-result-alist runner)))
(if (pair? list)
(let ((pair (car list)))
;; Write out properties not written out by on-test-begin.
(if (not (memq (car pair)
'(test-name source-file source-line source-form)))
(%test-write-result1 pair log))
(loop (cdr list))))))))
(define (test-runner-detail)
(let ((runner (test-runner-simple)))
(test-runner-on-test-end! runner test-on-test-end-detail)
runner))
(let* ((files (find-files (or search-path ".") :pattern "^test.scm$"))
(thunks (map (lambda (file) (lambda () (load file))) files)))
(for-each (lambda (file thunk)
(parameterize ((test-runner-factory test-runner-detail))
(parameterize ((test-runner-current (test-runner-create)))
(guard (e (else (report-error e)))
(thunk))))
(newline))
files thunks))
| false |
783bc1144ede91959b0b48e59364b6c6204d6e9b
|
223f8e07bd9fd7d43e4b8a6e7413e1d53c47ce4c
|
/lib/chibi/iset/iterators.scm
|
bd43f99c0ffc01a24c6cea2bf7c015d89e4df552
|
[
"BSD-3-Clause"
] |
permissive
|
norton-archive/chibi-scheme
|
d5092480d22396ad63aae96c58b6e8e0e99103ed
|
38b8a6056c0b935dc8eb0d80dd774dde871757ef
|
refs/heads/master
| 2021-06-14T22:34:12.096599 | 2016-09-28T14:31:06 | 2016-09-28T14:31:06 | 33,801,264 | 3 | 0 | null | null | null | null |
UTF-8
|
Scheme
| false | false | 6,952 |
scm
|
iterators.scm
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Cursors
;;> Returns true iff \var{iset} is empty.
(define (iset-empty? iset)
(and (iset? iset)
(cond ((iset-bits iset) => zero?) (else #f))
(let ((l (iset-left iset))) (or (not l) (iset-empty? l)))
(let ((r (iset-right iset))) (or (not r) (iset-empty? r)))))
(define-record-type Iset-Cursor
(make-iset-cursor node pos stack)
iset-cursor?
(node iset-cursor-node iset-cursor-node-set!)
(pos iset-cursor-pos iset-cursor-pos-set!)
(stack iset-cursor-stack iset-cursor-stack-set!))
(define (%iset-cursor iset . o)
(iset-cursor-advance
(make-iset-cursor iset
(or (iset-bits iset) (iset-start iset))
(if (pair? o) (car o) '()))))
;;> Create a new iset cursor pointing to the first element of iset,
;;> with an optional stack argument.
(define (iset-cursor iset . o)
(let ((stack (if (pair? o) (car o) '())))
(if (iset-left iset)
(iset-cursor (iset-left iset) (cons iset stack))
(%iset-cursor iset stack))))
;; Continue to the next node in the search stack.
(define (iset-cursor-pop cur)
(let ((node (iset-cursor-node cur))
(stack (iset-cursor-stack cur)))
(cond
((iset-right node)
(iset-cursor (iset-right node) stack))
((pair? stack)
(%iset-cursor (car stack) (cdr stack)))
(else
cur))))
;; Advance to the next node+pos that can be referenced if at the end
;; of this node's range.
(define (iset-cursor-advance cur)
(let ((node (iset-cursor-node cur))
(pos (iset-cursor-pos cur)))
(cond
((if (iset-bits node) (zero? pos) (> pos (iset-end node)))
(iset-cursor-pop cur))
(else cur))))
;;> Return a new iset cursor pointing to the next element of
;;> \var{iset} after \var{cur}. If \var{cur} is already at
;;> \scheme{end-of-iset?}, the resulting cursor is as well.
(define (iset-cursor-next iset cur)
(iset-cursor-advance
(let ((node (iset-cursor-node cur))
(pos (iset-cursor-pos cur))
(stack (iset-cursor-stack cur)))
(let ((pos (if (iset-bits node) (bitwise-and pos (- pos 1)) (+ pos 1))))
(make-iset-cursor node pos stack)))))
;;> Return the element of iset \var{iset} at cursor \var{cur}. If the
;;> cursor is at \scheme{end-of-iset?}, raises an error.
(define (iset-ref iset cur)
(let ((node (iset-cursor-node cur))
(pos (iset-cursor-pos cur)))
(cond
((iset-bits node)
(if (zero? pos)
(error "cursor reference past end of iset")
(+ (iset-start node)
(integer-length (- pos (bitwise-and pos (- pos 1))))
-1)))
(else
(if (> pos (iset-end node))
(error "cursor reference past end of iset")
pos)))))
;;> Returns true iff \var{cur} is at the end of \var{iset}, such that
;;> \scheme{iset-ref} is no longer valid.
(define (end-of-iset? iset cur)
(let ((node (iset-cursor-node cur)))
(and (if (iset-bits node)
(zero? (iset-cursor-pos cur))
(> (iset-cursor-pos cur) (iset-end node)))
(not (iset-right node))
(null? (iset-cursor-stack cur)))))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Equality
(define (iset2= is1 is2)
(let lp ((cur1 (iset-cursor is1))
(cur2 (iset-cursor is2)))
(cond ((end-of-iset? is1 cur1) (end-of-iset? is2 cur2))
((end-of-iset? is2 cur2) #f)
((= (iset-ref is1 cur1) (iset-ref is2 cur2))
(lp (iset-cursor-next is1 cur1) (iset-cursor-next is2 cur2)))
(else
#f))))
(define (iset2<= is1 is2)
(let lp ((cur1 (iset-cursor is1))
(cur2 (iset-cursor is2)))
(cond ((end-of-iset? is1 cur1))
((end-of-iset? is2 cur2) #f)
(else
(let ((i1 (iset-ref is1 cur1))
(i2 (iset-ref is1 cur2)))
(cond ((> i1 i2)
(lp cur1 (iset-cursor-next is2 cur2)))
((= i1 i2)
(lp (iset-cursor-next is1 cur1)
(iset-cursor-next is2 cur2)))
(else
;; (< i1 i2) - i1 won't occur in is2
#f)))))))
;;> Returns true iff all arguments contain the same elements. Always
;;> returns true if there are less than two arguments.
(define (iset= . o)
(or (null? o)
(let lp ((a (car o)) (ls (cdr o)))
(or (null? ls) (and (iset2= a (car ls)) (lp (car ls) (cdr ls)))))))
;;> Returns true iff the arguments are monotonically increasing, that
;;> is each argument contains every element of all preceding
;;> arguments. Always returns true if there are less than two
;;> arguments.
(define (iset<= . o)
(or (null? o)
(let lp ((a (car o)) (ls (cdr o)))
(or (null? ls) (and (iset2<= a (car ls)) (lp (car ls) (cdr ls)))))))
;;> Returns true iff the arguments are monotonically decreasing, that
;;> is each argument contains every element of all succeeding
;;> arguments. Always returns true if there are less than two
;;> arguments.
(define (iset>= . o)
(apply iset<= (reverse o)))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Folding
(define (iset-fold-node kons knil iset)
(let lp ((is iset) (acc knil))
(let* ((left (iset-left is))
(acc (kons is (if left (lp left acc) acc)))
(right (iset-right is)))
(if right (lp right acc) acc))))
;;> The fundamental iset iterator. Applies \var{kons} to every
;;> element of \var{iset} along with an accumulator, starting with
;;> \var{knil}. Returns \var{knil} if \var{iset} is empty.
(define (iset-fold kons knil iset)
(iset-fold-node
(lambda (is acc)
(let ((start (iset-start is))
(end (iset-end is))
(bits (iset-bits is)))
(if bits
(let ((limit (+ 1 (- end start))))
(do ((n1 bits n2)
(n2 (bitwise-and bits (- bits 1)) (bitwise-and n2 (- n2 1)))
(acc acc (kons (+ start (integer-length (- n1 n2)) -1) acc)))
((zero? n1) acc)))
(do ((i start (+ i 1))
(acc acc (kons i acc)))
((> i end) acc)))))
knil
iset))
(define (iset-for-each-node proc iset)
(iset-fold-node (lambda (node acc) (proc node)) #f iset))
;;> Runs \var{proc} on every element of iset, discarding the results.
(define (iset-for-each proc iset)
(iset-fold (lambda (i acc) (proc i)) #f iset))
;;> Returns a list of every integer in \var{iset} in sorted
;;> (increasing) order.
(define (iset->list iset)
(reverse (iset-fold cons '() iset)))
;;> Returns the number of elements in \var{iset}.
(define (iset-size iset)
(iset-fold-node
(lambda (is acc)
(let ((bits (iset-bits is)))
(+ acc (if bits
(bit-count bits)
(+ 1 (- (iset-end is) (iset-start is)))))))
0
iset))
| false |
b532c101fd7e2cdd8c2d115f0d7b5e0cdab2678e
|
9b2eb10c34176f47f7f490a4ce8412b7dd42cce7
|
/lib/yuni/miniobj/minitype.sls
|
37230c14ec4a9ffb478bce250578a93241cb4d11
|
[
"LicenseRef-scancode-public-domain",
"CC0-1.0"
] |
permissive
|
okuoku/yuni
|
8be584a574c0597375f023c70b17a5a689fd6918
|
1859077a3c855f3a3912a71a5283e08488e76661
|
refs/heads/master
| 2023-07-21T11:30:14.824239 | 2023-06-11T13:16:01 | 2023-07-18T16:25:22 | 17,772,480 | 36 | 6 |
CC0-1.0
| 2020-03-29T08:16:00 | 2014-03-15T09:53:13 |
Scheme
|
UTF-8
|
Scheme
| false | false | 2,624 |
sls
|
minitype.sls
|
(library (yuni miniobj minitype)
(export miniobj-minitype-ref
miniobj-minitype-set!
miniobj-minitype-typeof
miniobj-minitype-typeof-error
define-minitype
make-minitype
make-minitype-obj
minitype-predicate
minitype-typeof)
(import (yuni scheme)
(yuni compat simple-struct))
(define (check? obj sym)
(and
(simple-struct? obj)
(eq? sym
(simple-struct-name obj))))
(define (minitype? obj)
(check? obj '*yuni-minitype*))
(define (minitype-obj? obj)
(check? obj '*yuni-minitype-obj*))
(define (check-minitype obj)
(or (minitype? obj)
(error "minitype needed" obj)))
(define (check-minitype-obj obj)
(or (minitype-obj? obj)
(error "minitype-obj needed" obj)))
(define (minitype-slot obj)
(check-minitype obj)
(simple-struct-ref obj 1))
(define (minitype-obj-slot obj)
(check-minitype-obj obj)
(simple-struct-ref obj 1))
(define (minitype-obj-type obj)
(check-minitype-obj obj)
(simple-struct-ref obj 0))
(define (make-minitype name slots)
(make-simple-struct
'*yuni-minitype*
2 (list name slots)))
(define (make-minitype-obj minitype)
(check-minitype minitype)
(lambda ()
(make-simple-struct
'*yuni-minitype-obj*
2 (list
minitype
(make-vector (length (minitype-slot minitype)))))))
(define (minitype-predicate obj minitype)
(check-minitype minitype)
(and
(minitype-obj? obj)
(eq? minitype
(minitype-obj-type obj))))
(define (minitype-typeof obj)
(and
(minitype-obj? obj)
(minitype-obj-type obj)))
(define (scan-slot minitype slot)
(define (number cur rest)
(if (pair? rest)
(if (eq? (car rest) slot)
cur
(number (+ 1 cur) (cdr rest)))
#f))
(let ((slots (minitype-slot minitype)))
(number 0 slots)))
(define (miniobj-minitype-typeof obj k)
(if (minitype-obj? obj)
(minitype-obj-type obj)
(k obj)))
(define (miniobj-minitype-typeof-error obj)
(error "unsupported object" obj))
(define (miniobj-minitype-ref obj slot k)
(if (minitype-obj? obj)
(vector-ref (minitype-obj-slot obj) (scan-slot (minitype-obj-type obj) slot))
(k obj slot)))
(define (miniobj-minitype-set! obj slot value k)
(if (minitype-obj? obj)
(vector-set! (minitype-obj-slot obj) (scan-slot (minitype-obj-type obj) slot) value)
(k obj slot value)))
(define-syntax define-minitype
(syntax-rules ()
((_ name spec)
(define name (make-minitype 'name 'spec)))))
)
| true |
84278fc89278767ea5e90467ae9df9899fa08dd4
|
4f30ba37cfe5ec9f5defe52a29e879cf92f183ee
|
/src/scheme/transforms/internal-defines.scm
|
fbdf2d776b09176fe72945fe2c98a20dbe8c66db
|
[
"MIT"
] |
permissive
|
rtrusso/scp
|
e31ecae62adb372b0886909c8108d109407bcd62
|
d647639ecb8e5a87c0a31a7c9d4b6a26208fbc53
|
refs/heads/master
| 2021-07-20T00:46:52.889648 | 2021-06-14T00:31:07 | 2021-06-14T00:31:07 | 167,993,024 | 8 | 1 |
MIT
| 2021-06-14T00:31:07 | 2019-01-28T16:17:18 |
Scheme
|
UTF-8
|
Scheme
| false | false | 1,835 |
scm
|
internal-defines.scm
|
;; scheme/transforms/internal-defines.scm
;; A translation pass that turns internal definitions in lambda expressions into
;; letrec expressions.
(need scheme/base-syntax)
(define (rewrite-defines code)
(define (iter input defines code)
(if (null? input)
(cond ((null? defines)
(map rewrite-defines (reverse code)))
(else
`((letrec ,(map list
(map define-symbol defines)
(map rewrite-defines (map define-code defines)))
,@(map rewrite-defines (reverse code))))))
(let ((expr (car input)))
(if (and (pair? expr)
(eqv? 'define (car expr)))
(iter (cdr input) (cons expr defines) code)
(iter (cdr input) defines (cons expr code))))))
(if (not (pair? code))
code
(case (car code)
((quote) code)
((define) `(define ,(define-symbol code)
,(rewrite-defines (define-code code))))
((if) `(if ,(rewrite-defines (if-predicate code))
,(rewrite-defines (if-consequent code))
,(rewrite-defines (if-antecedent code))))
((begin) `(begin ,@(map rewrite-defines (begin-sequence code))))
((set!) `(set! ,(set!-symbol code)
,(rewrite-defines (set!-code code))))
((letrec)
`(letrec ,(map (lambda (var init)
(list var (rewrite-defines init)))
(letrec-vars code)
(letrec-exps code))
,@(iter (letrec-body code) '() '())))
((lambda) `(lambda ,(lambda-args code)
,@(iter (lambda-code code) '() '())))
(else (map rewrite-defines code)))))
| false |
f9350474a8678d01f77d2611f3138bd28f2270e0
|
2d868c9428b8f4772d2ede375a3492b3b6885e1d
|
/Streams, Part 1/lecturepart3.scm
|
c30f45212588e9b55806d4f1c803dbb547c3e242
|
[] |
no_license
|
transducer/sicp
|
2428223945da87836fa2a82c02d965061717ae95
|
2cec377aa7805edfd7760c643c14127e344ee962
|
refs/heads/master
| 2021-06-06T20:06:47.156461 | 2016-09-16T22:05:02 | 2016-09-16T22:05:02 | 25,219,798 | 1 | 0 | null | null | null | null |
UTF-8
|
Scheme
| false | false | 6,747 |
scm
|
lecturepart3.scm
|
#lang scheme
; You should be starting to get suspicious. This simple elegant way is very unlike the
; traditional programs that mix up the iterator, accumulator and filter. And by mixing it up
; we don't have all these wonderful components.
; Why do all programs look like these ugly ones?
; Do computer scientists not notice? Why don't they write programs with such elegance?
; There's got to be a catch.
; It's easy to see. Here's an example.
;;; find the second prime between
;;; 10.000 and 1.000.000
(head ; head of tail is second element
(tail (filter
prime?
(enum-interval 10000 1000000))))
; INTERVAL 10,000, 1,000,000 -> FILTER PRIME? ->
; That is pretty ridiculous. See we don't have enough space in the machine to store all the
; integers let alone check for prime and get only the second one.
; The power of the traditional style is exactly its weakness. We don't do it all. But the
; thing that makes it conceptually ugly is the thing that makes it efficient.
; Why did I show this wonderfully way in which programming might work instead of it doesn't?
; Here is the wonderfulness. We can really have our cake and eat it too. What I mean by that
; is that we can really write stream programs just like I wrote and it can run as efficient
; as the general programming style that mixes up the generating and the test.
; The key is that streams are NOT lists.
; There is tugging on the box of the filter who is tugging on the box of the integers.
; No other computation gets done unless you tug on it.
; How do we make such a stream?
; We want to arrange for a stream to be a data structure that sorts of computes itself
; incrementally. Sort of an on-demand data structure.
; The basic idea is that there's not a firm distinction between programs and data. It is
; simultaneously a data structure and a procedure that has the method of computing it.
CONS-STREAM
HEAD
TAIL
; you can think about it like it's CONS, CAR or CDR but it is not. Let's look at what it is.
(cons-stream x y)
; abbreviation for
(cons x (delay y))
(head s) -> (car s)
(tail s) -> (force (cdr s))
; Let me explain delay and force
; What delay does is take an expression and produce a PROMISE that you will get the value
; if you ask for it. It does not do any computation.
; And cons-stream puts together x and a promise to compute y.
; The tail is going to be FORCE calling the promise.
; Force says take that promise and compute it.
(head (tail (filter prime? (e-l 10000 1000000))))
; (cons 10000
; (delay (e-l 10001 1000000)))
; (filter prime?
; (cons (cons 10000 (delay (e-l 10001 1000000))))
; force-^
; (e-l 10001 10000)
; (cons 10000) delay
; (e-l 10002 1000000
; (...)
; (cons 10009 (delay (filter prime? ....
; We can use substitutation model since we do not have state.
; No more gets generated then you actually need. No more will be generated by e-l than the
; filter asks for, and no more will be asked of the filter than the head of the tail.
; You see we put that mixing of generating and test in another way than it is happening
; in the computer.
(delay <exp>)
abbreviation for (lambda () <exp>)
(force p) = (p) ; just run it
; What have we done:
; The old style of programming is more efficient, and the stream thing is more perspicuous
; and we managed to make the stream thing run like the other procedures by using delay.
; And what delay does is decouple the apparent order of events in our programs from the
; actual order of events in the machine.
; We have given up the idea that procedures as we look at them mirror some clear notion of
; time. By giving that up we give delay the freedom to arrange the order of events in the
; computation the way it likes.
; There's one more detail...
; As you run through this recursive programs unwinding you see a lot of things like:
(tail (tail (tail .... )))
; If each time I am doing that I have to evaluate a procedure that then has to recompute
; its own tail who recomputes its own tail et cetera you see that is very inefficient.
; There's one little hack to slightly change the abbreviation and make delay a thing.
(delay <exp>) } (memo-proc
abbreviation for (lambda () <exp>))
; memo-proc is something that makes delay only have to do its calculation once.
; You give it a procedure and the result of memo-proc will be that the first time you call
; it it will run the original procedure, remember what result it got and for every run after
; it it will have cached that result some place.
(define (memo-proc proc) ; memo-proc transform a procedure of no arguments
(let ((already-run? nil) ; Two little flags, both null: Have I already run?
(result nil)) ; And what was the result the last time I run?
(lambda () ; It returns a new procedure of no arguments.
(if (not already-run?) ; If I have not already run
(sequence ; I am going to do a sequence of things:
(set! result (proc)) ; I am going to compute proc and save that in result
(set! already-run? (not nil)); and I make a note to myself that I have run
result) ; and I return the result.
result)))) ; If I have already run I just return the result.
; That's a little hack that's called memoization. This case it short-circuits having to
; recompute the tail of the tail of the tail.
; This makes streams run with the same efficiency as the other programs precisely.
; The fact that there is no clear dividing line between data and procedures has allowed us
; to write data structures that are like procedures. What we did is take an example of
; a common control structure, in this case iteration, and we built a data structure that
; acts like a procedure and therefore has this control structure in it.
; That is what streams are.
; Questions:
; Does memoization not only work if the result is always the same?
; => Yeah, sure. Once I found the tail of the tail I should not have to recompute the tail.
; We are able to ues the substitution model because there are no side effects. What if we
; have a procedure that has side effects? Could we practically use the stream model?
; => Maybe, that's a hard question. Substitution and side effects don't mix very well.
; In general any amount of side effects is going to mess up everything.
| false |
588478713dc43de93a3837f17cc5da7c41d4a3b3
|
6b288a71553cf3d8701fe7179701d100c656a53c
|
/unicode/unicode-data.ss
|
dd77e0fe1fb385a958f1bc23619d8cf46bb19b8a
|
[
"Apache-2.0"
] |
permissive
|
cisco/ChezScheme
|
03e2edb655f8f686630f31ba2574f47f29853b6f
|
c048ad8423791de4bf650fca00519d5c2059d66e
|
refs/heads/main
| 2023-08-26T16:11:15.338552 | 2023-08-25T14:17:54 | 2023-08-25T14:17:54 | 56,263,501 | 7,763 | 1,410 |
Apache-2.0
| 2023-08-28T22:45:52 | 2016-04-14T19:10:25 |
Scheme
|
UTF-8
|
Scheme
| false | false | 2,882 |
ss
|
unicode-data.ss
|
;;; Ikarus Scheme -- A compiler for R6RS Scheme.
;;; Copyright (C) 2006,2007,2008 Abdulaziz Ghuloum
;;; Permission is hereby granted, free of charge, to any person obtaining a
;;; copy of this software and associated documentation files (the "Software"),
;;; to deal in the Software without restriction, including without limitation
;;; the rights to use, copy, modify, merge, publish, distribute, sublicense,
;;; and/or sell copies of the Software, and to permit persons to whom the
;;; Software is furnished to do so, subject to the following conditions:
;;;
;;; The above copyright notice and this permission notice shall be included in
;;; all copies or substantial portions of the Software.
;;;
;;; THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
;;; IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
;;; FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
;;; THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
;;; LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
;;; FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
;;; DEALINGS IN THE SOFTWARE.
(library (unicode-data)
(export get-unicode-data)
(import (rnrs))
(define (find-semi/hash str i n)
(cond
[(or (fx=? i n) (memv (string-ref str i) '(#\; #\#))) i]
[else (find-semi/hash str (+ i 1) n)]))
(define (cleanup str)
(let ([lo
(let f ([i 0] [n (string-length str)])
(cond
[(= i n) n]
[(char=? #\space (string-ref str i))
(f (+ i 1) n)]
[else i]))]
[hi
(let f ([i (- (string-length str) 1)])
(cond
[(< i 0) i]
[(char=? #\space (string-ref str i))
(f (- i 1))]
[else (+ i 1)]))])
(if (> hi lo)
(substring str lo hi)
"")))
(define (split str)
(let f ([i 0] [n (string-length str)])
(cond
[(or (= i n) (memv (string-ref str i) '(#\#)))
'("")]
[else
(let ([j (find-semi/hash str i n)])
(cond
[(or (= j n) (memv (string-ref str i) '(#\#)))
(list (cleanup (substring str i j)))]
[else
(cons (cleanup (substring str i j))
(f (+ j 1) n))]))])))
(define (extract-uni-data)
(let f ([ls '()])
(let ([line (get-line (current-input-port))])
(cond
[(eof-object? line)
(reverse ls)]
[else
(let ([fields (split line)])
(if (or (null? fields) (equal? fields '("")))
(f ls)
(f (cons fields ls))))]))))
(define (get-unicode-data filename)
(with-input-from-file
filename
extract-uni-data)))
| false |
e422008e7fbc965d8e27b3c97c39c0c746d715b1
|
b62560d3387ed544da2bbe9b011ec5cd6403d440
|
/crates/steel-core/src/tests/success/set_tail_call.scm
|
b6d2dfdcca33cf98d97b09d3b8634ea2bf72faf1
|
[
"LicenseRef-scancode-unknown-license-reference",
"MIT",
"Apache-2.0"
] |
permissive
|
mattwparas/steel
|
c6fb91b20c4e613e6a8db9d9310d1e1c72313df2
|
700144a5a1aeb33cbdb2f66440bbe38cf4152458
|
refs/heads/master
| 2023-09-04T03:41:35.352916 | 2023-09-01T03:26:01 | 2023-09-01T03:26:01 | 241,949,362 | 207 | 10 |
Apache-2.0
| 2023-09-06T04:31:21 | 2020-02-20T17:39:28 |
Rust
|
UTF-8
|
Scheme
| false | false | 136 |
scm
|
set_tail_call.scm
|
(define (test x)
(set! test (lambda (x) 100))
(if (= x 10)
x
(test (+ x 1))))
(assert! (equal? (test 0) 100))
| false |
a9accdb99f3a5049daff1f7634b279b2660b808e
|
defeada37d39bca09ef76f66f38683754c0a6aa0
|
/mscorlib/system/value-type.sls
|
14fd60e54efb07567dc69a9c7c82bb71dcb5def5
|
[] |
no_license
|
futsuki/ironscheme-port
|
2dbac82c0bda4f4ff509208f7f00a5211d1f7cd5
|
4e7a81b0fbeac9a47440464988e53fb118286c54
|
refs/heads/master
| 2016-09-06T17:13:11.462593 | 2015-09-26T18:20:40 | 2015-09-26T18:20:40 | 42,757,369 | 0 | 0 | null | null | null | null |
UTF-8
|
Scheme
| false | false | 514 |
sls
|
value-type.sls
|
(library (system value-type)
(export is? value-type? get-hash-code to-string equals?)
(import (ironscheme-clr-port))
(define (is? a) (clr-is System.ValueType a))
(define (value-type? a) (clr-is System.ValueType a))
(define-method-port
get-hash-code
System.ValueType
GetHashCode
(System.Int32))
(define-method-port
to-string
System.ValueType
ToString
(System.String))
(define-method-port
equals?
System.ValueType
Equals
(System.Boolean System.Object)))
| false |
056c89c768e4180754a117bfd9b5625790dc52c7
|
fb9a1b8f80516373ac709e2328dd50621b18aa1a
|
/ch3/exercise3-57.scm
|
e1f00a3a4a5b089e2d6507d9973d0fc4e894a0e6
|
[] |
no_license
|
da1/sicp
|
a7eacd10d25e5a1a034c57247755d531335ff8c7
|
0c408ace7af48ef3256330c8965a2b23ba948007
|
refs/heads/master
| 2021-01-20T11:57:47.202301 | 2014-02-16T08:57:55 | 2014-02-16T08:57:55 | null | 0 | 0 | null | null | null | null |
UTF-8
|
Scheme
| false | false | 872 |
scm
|
exercise3-57.scm
|
;; 問題3.57
;; n 番目のfibsを計算するときの加算の実行回数を示せ
;; メモ化してあれば，n番目を計算するのに，n-1番目に１回足すだけ．n回で済む
;; メモ化なしだと，ストリームを作るたびに計算しなおすので大量に計算する必要がある．
(define-macro (delay x) `(lambda () ,x))
(define (force x) (x))
(load "./ch3/3-5-2_Infinite_Streams.scm")
(define count 0)
(define (reset) (set! count 0))
(define (add x y) (begin (set! count (+ count 1)) (+ x y)))
(define (add-streams s1 s2)
(stream-map add s1 s2))
(define fibs
(cons-stream 0
(cons-stream 1
(add-streams (stream-cdr fibs)
fibs))))
(define (show-fib n)
(reset)
(print (stream-ref fibs n))
(print count)
'done)
(show-fib 10)
| false |
3de13d3986ddd317eeeda15ea9c7fa1692ffa2ce
|
ec5b4a92882f80b3f62eac8cbd059fb1f000cfd9
|
/functional/scheme/counter.ss
|
67a8dfde27c68dbd38440e283e5fda41f14abce1
|
[] |
no_license
|
ggem/alpa
|
ee35ffc91d9f4b1d540ce8b2207595813e488e5f
|
4f53b888b5a5b4ffebd220c6e0458442325fbff2
|
refs/heads/master
| 2019-01-02T03:12:17.899768 | 2005-01-04T03:43:12 | 2005-01-04T03:43:12 | 42,612,681 | 0 | 0 | null | null | null | null |
UTF-8
|
Scheme
| false | false | 6,663 |
ss
|
counter.ss
|
;;;
;;; counter. interpreter that counts each of the primitive operations
;;;
(define count
(lambda (definitions call)
((lambda (x) '(pretty-print x) (eval x))
`(let ([counts (make-vector 10 0)])
(let ([inc (lambda (i)
(vector-set! counts i
(+ 1 (vector-ref counts i))))])
(let ([eq? (lambda (x y) (inc 1) (eq? x y))]
[< (lambda (x y) (inc 1) (< x y))]
[car (lambda (x) (inc 2) (car x))]
[cdr (lambda (x) (inc 3) (cdr x))]
[cons (lambda (x y) (inc 5) (cons x y))]
[null? (lambda (x) (inc 8) (null? x))])
,@(map make-counter definitions)
,call
(#%cons '+
(reverse
(map (lambda (n name)
(list '* n name))
(vector->list counts)
'(cost_binding cost_booleanop cost_car cost_cdr
cost_cond cost_cons cost_constant cost_funcall
cost_null cost_varref))))))))))
(define make-counter
(lambda (exp)
(cond
[(symbol? exp) `(begin (inc 9) ,exp)]
[(null? exp) `(begin (inc 6) ,exp)]
[(number? exp) `(begin (inc 6) ,exp)]
[(boolean? exp) `(begin (inc 6) ,exp)]
[(atom? exp) (error 'count "unknown type: ~s" exp)]
[(eq? (car exp) 'lambda)
`(lambda ,(cadr exp) . ,(map make-counter (cddr exp)))]
[(eq? (car exp) 'define)
`(define ,(cadr exp) ,(make-counter (caddr exp)))]
[(eq? (car exp) 'quote) `(begin (inc 6) ,exp)]
[(eq? (car exp) 'if)
`(begin (inc 4)
(if ,(make-counter (cadr exp))
,(make-counter (caddr exp))
,(make-counter (cadddr exp))))]
[(eq? (car exp) 'let)
`(let ((,(caaadr exp) ,(make-counter (car (cdaadr exp)))))
(inc 0) . ,(map make-counter (cddr exp)))]
[(memq (car exp) '(eq? car cdr cons null? <))
`(,(car exp) . ,(map make-counter (cdr exp)))]
[else
`(begin (inc 7)
(,(car exp) . ,(map make-counter (cdr exp))))])))
(define iota
(letrec ([iota (lambda (n answ)
(if (zero? n)
answ
(iota (- n 1) (cons (- n 1) answ))))])
(lambda (n)
(iota n '()))))
;;;;
;;;; test cases
;;;;
(define lists
(vector
(make-list 10 -1)
(make-list 20 -1)
(make-list 50 -1)
(make-list 100 -1)
(make-list 200 -1)
(make-list 300 -1)
(make-list 500 -1)
(make-list 1000 -1)
(make-list 2000 -1)))
(define iotas
(vector
(reverse (iota 10))
(reverse (iota 20))
(reverse (iota 50))
(reverse (iota 100))
(reverse (iota 200))
(reverse (iota 300))
(reverse (iota 500))
(reverse (iota 1000))
(reverse (iota 2000))))
(define sizes '(10 20 50 100 200 300 500 1000 2000))
(define procedures
(list
;;;;
;;;; insertion sort
;;;;
(list 'insertsort '(iotas)
'(define insertsort
(lambda (lst)
(if (null? lst)
'()
(insert (car lst) (insertsort (cdr lst))))))
'(define insert
(lambda (a lst)
(if (null? lst)
(cons a '())
(if (< a (car lst))
(cons a lst)
(cons (car lst) (insert a (cdr lst))))))))
;;;;
;;;; union
;;;;
(list 'union '(lists iotas)
'(define union
(lambda (l1 l2)
(if (null? l1)
l2
(let ([rr (union (cdr l1) l2)])
(if (member? (car l1) l2)
rr
(cons (car l1) rr))))))
'(define member?
(lambda (a l)
(if (null? l)
#f
(if (eq? (car l) a)
#t
(member? a (cdr l)))))))
;;;;
;;;; reverse
;;;;
(list 'reverse '(lists)
'(define reverse
(lambda (ls)
(reverse2 ls '())))
'(define reverse2
(lambda (ls answ)
(if (null? ls)
answ
(reverse2 (cdr ls) (cons (car ls) answ))))))
;;;;
;;;; nontail-reverse
;;;;
(list 'nreverse '(lists)
'(define nreverse
(lambda (ls)
(if (null? ls)
'()
(append (nreverse (cdr ls)) (cons (car ls) '())))))
'(define append
(lambda (l1 l2)
(if (null? l1)
l2
(cons (car l1) (append (cdr l1) l2))))))
;;;;
;;;; product
;;;;
(list 'product '(lists iotas)
'(define product
(lambda (set1 set2)
(if (null? set1)
'()
(append (pair (car set1) set2)
(product (cdr set1) set2)))))
'(define pair
(lambda (item set)
(if (null? set)
'()
(cons (cons item (cons (car set) '()))
(pair item (cdr set))))))
'(define append
(lambda (l1 l2)
(if (null? l1)
l2
(cons (car l1) (append (cdr l1) l2))))))
;;;;
;;;; select sort
;;;;
(list 'selectsort '(iotas)
'(define selectsort
(lambda (x)
(if (null? x)
'()
(let ([k (least x)])
(cons k (selectsort (rest x k)))))))
'(define least
(lambda (x)
(if (null? (cdr x))
(car x)
(let ([s (least (cdr x))])
(if (< (car x) s)
(car x)
s)))))
'(define rest
(lambda (x k)
(if (null? (cdr x))
'()
(if (= k (car x))
(cdr x)
(cons (car x) (rest (cdr x) k)))))))
;;;;
;;;; merge sort
;;;;
(list 'mergesort '(iotas)
'(define mergesort
(lambda (x)
(if (null? x)
'()
(if (null? (cdr x))
(cons (car x) '())
(merge (mergesort (odd x)) (mergesort (even x)))))))
'(define odd
(lambda (x)
(if (null? x)
'()
(cons (car x) (even (cdr x))))))
'(define even
(lambda (x)
(if (null? x)
'()
(odd (cdr x)))))
'(define merge
(lambda (x y)
(if (null? x)
y
(if (null? y)
x
(if (< (car x) (car y))
(cons (car x) (merge (cdr x) y))
(cons (car y) (merge x (cdr y)))))))))
;;;;
;;;; quicksort
;;;;
(list 'quicksort '(iotas)
'(define quicksort
(lambda (ls)
(qsort ls '())))
'(define qsort
(lambda (ls rest)
(if (null? ls)
rest
(let ([pivot (car ls)])
(let ([ls (cdr ls)])
(qsort (less pivot ls)
(cons pivot (qsort (more pivot ls) rest))))))))
'(define less
(lambda (pivot ls)
(if (null? ls)
'()
(let ([rr (less pivot (cdr ls))])
(let ([item (car ls)])
(if (< pivot item)
rr
(cons item rr)))))))
'(define more
(lambda (pivot ls)
(if (null? ls)
'()
(let ([rr (more pivot (cdr ls))])
(let ([item (car ls)])
(if (< pivot item)
(cons item rr)
rr)))))))))
(do ([procs procedures (cdr procs)])
[(null? procs)]
(do ([sizes sizes (cdr sizes)]
[i 0 (+ i 1)])
[(null? sizes)]
(printf "~n(~a ~a)~n" (caar procs) (car sizes))
(pretty-print
(count (cddar procs) `(,(caar procs) .
,(map (lambda (x) `(vector-ref ,x ,i))
(cadar procs)))))))
| false |
bbc1c7a91f9c4df7d96cfcd89c97d3a66cee17cd
|
ae4938300d7eea07cbcb32ea4a7b0ead9ac18e82
|
/utils/parameter.ss
|
ee20c6ecfaa16b8afb14810cf549600bed05e2c9
|
[] |
no_license
|
keenbug/imi-libs
|
05eb294190be6f612d5020d510e194392e268421
|
b78a238f03f31e10420ea27c3ea67c077ea951bc
|
refs/heads/master
| 2021-01-01T19:19:45.036035 | 2012-03-04T21:46:28 | 2012-03-04T21:46:28 | 1,900,111 | 0 | 1 | null | null | null | null |
UTF-8
|
Scheme
| false | false | 297 |
ss
|
parameter.ss
|
#!r6rs
(library (imi utils parameter)
(export make-parameter)
(import (rnrs))
(define make-parameter
(case-lambda
((x) (make-parameter x (lambda (n) n)))
((x test)
(let ([v x])
(case-lambda
(() v)
((n) (set! v (test n))))))))
)
| false |
17a905e7e6f4c46780dcc19f6f40874d3b64b51a
|
492b4d445abfe46847f81ae9fcac0d4eb94b3194
|
/package.scm
|
20500f825487efc2662a0c6b35cbc86b1733a4cc
|
[] |
no_license
|
cyclone-scheme/cloudburst
|
cf4a5a3e869768a07016d9de6726505c985cd05e
|
6f18af7a38ad9b17136bad8142d9abc8b556a64a
|
refs/heads/master
| 2023-02-25T03:26:01.928363 | 2021-01-25T23:43:12 | 2021-01-25T23:43:12 | 309,513,111 | 0 | 0 | null | null | null | null |
UTF-8
|
Scheme
| false | false | 543 |
scm
|
package.scm
|
(package
(name cloudburst)
(version 0.1)
(license "MIT")
(authors "Justin Ethier")
(maintainers "Justin Ethier <justin.ethier at gmail dot com>")
(description "The Cloudburst web framework")
(tags "web" "networking")
(docs "https://github.com/cyclone-scheme/cloudburst/wiki/sha2")
;(test "test-sha2.scm")
(dependencies (postgresql srfi-152 syslog temple))
(program
(name cloudburst)
(description "Front-end program to make it easier to use Cloudburst"))
)
| false |
b7befc6dc0e7817afd717827cfc72318d8c46b7e
|
6b961ef37ff7018c8449d3fa05c04ffbda56582b
|
/bbn_cl/mach/zcomp/machines/butterfly/rules2.scm
|
54cd4ed42dda10992066439baa1cbe67bc5b9c5c
|
[] |
no_license
|
tinysun212/bbn_cl
|
7589c5ac901fbec1b8a13f2bd60510b4b8a20263
|
89d88095fc2a71254e04e57cf499ae86abf98898
|
refs/heads/master
| 2021-01-10T02:35:18.357279 | 2015-05-26T02:44:00 | 2015-05-26T02:44:00 | 36,267,589 | 4 | 3 | null | null | null | null |
UTF-8
|
Scheme
| false | false | 7,231 |
scm
|
rules2.scm
|
#| -*-Scheme-*-
$Header: rules2.scm,v 1.2 88/08/31 10:46:13 jinx Exp $
$MIT-Header: rules2.scm,v 4.2 87/12/31 10:26:18 GMT cph Exp $
Copyright (c) 1987 Massachusetts Institute of Technology
This material was developed by the Scheme project at the Massachusetts
Institute of Technology, Department of Electrical Engineering and
Computer Science. Permission to copy this software, to redistribute
it, and to use it for any purpose is granted, subject to the following
restrictions and understandings.
1. Any copy made of this software must include this copyright notice
in full.
2. Users of this software agree to make their best efforts (a) to
return to the MIT Scheme project any improvements or extensions that
they make, so that these may be included in future releases; and (b)
to inform MIT of noteworthy uses of this software.
3. All materials developed as a consequence of the use of this
software shall duly acknowledge such use, in accordance with the usual
standards of acknowledging credit in academic research.
4. MIT has made no warrantee or representation that the operation of
this software will be error-free, and MIT is under no obligation to
provide any services, by way of maintenance, update, or otherwise.
5. In conjunction with products arising from the use of this material,
there shall be no use of the name of the Massachusetts Institute of
Technology nor of any adaptation thereof in any advertising,
promotional, or sales literature without prior written consent from
MIT in each case. |#
;;;; LAP Generation Rules: Predicates
(declare (usual-integrations))
;;;; Predicates
(define-rule predicate
(TRUE-TEST (REGISTER (? register)))
(set-standard-branches! 'NE)
(LAP ,(test-non-pointer (ucode-type false) 0 (coerce->any register))))
(define-rule predicate
(TRUE-TEST (OFFSET (REGISTER (? register)) (? offset)))
(set-standard-branches! 'NE)
(LAP ,(test-non-pointer (ucode-type false) 0
(indirect-reference! register offset))))
(define-rule predicate
(TYPE-TEST (REGISTER (? register)) (? type))
(QUALIFIER (pseudo-register? register))
(set-standard-branches! 'EQ)
(LAP ,(test-byte type
(register-reference (load-alias-register! register 'DATA)))))
(define-rule predicate
(TYPE-TEST (OBJECT->TYPE (REGISTER (? register))) (? type))
(QUALIFIER (pseudo-register? register))
(set-standard-branches! 'EQ)
(let ((reference (move-to-temporary-register! register 'DATA)))
(LAP (RO L L (& 8) ,reference)
,(test-byte type reference))))
(define-rule predicate
(TYPE-TEST (OBJECT->TYPE (OFFSET (REGISTER (? register)) (? offset)))
(? type))
(set-standard-branches! 'EQ)
(LAP ,(test-byte type (indirect-reference! register offset))))
(define-rule predicate
(UNASSIGNED-TEST (REGISTER (? register)))
(set-standard-branches! 'EQ)
(LAP ,(test-non-pointer (ucode-type unassigned) 0
(coerce->any register))))
(define-rule predicate
(UNASSIGNED-TEST (OFFSET (REGISTER (? register)) (? offset)))
(set-standard-branches! 'EQ)
(LAP ,(test-non-pointer (ucode-type unassigned) 0
(indirect-reference! register offset))))
(define (eq-test/constant*register constant register)
(set-standard-branches! 'EQ)
(if (non-pointer-object? constant)
(LAP ,(test-non-pointer (primitive-type constant)
(primitive-datum constant)
(coerce->any register)))
(LAP (CMP L (@PCR ,(constant->label constant))
,(coerce->machine-register register)))))
(define (eq-test/constant*memory constant memory-reference)
(set-standard-branches! 'EQ)
(if (non-pointer-object? constant)
(LAP ,(test-non-pointer (primitive-type constant)
(primitive-datum constant)
memory-reference))
(let ((temp (reference-temporary-register! false)))
(LAP (MOV L ,memory-reference ,temp)
(CMP L (@PCR ,(constant->label constant))
,temp)))))
(define (eq-test/register*register register-1 register-2)
(set-standard-branches! 'EQ)
(let ((finish
(lambda (register-1 register-2)
(LAP (CMP L ,(coerce->any register-2)
,(coerce->machine-register register-1))))))
(if (or (and (not (register-has-alias? register-1 'DATA))
(register-has-alias? register-2 'DATA))
(and (not (register-has-alias? register-1 'ADDRESS))
(register-has-alias? register-2 'ADDRESS)))
(finish register-2 register-1)
(finish register-1 register-2))))
(define (eq-test/register*memory register memory-reference)
(set-standard-branches! 'EQ)
(LAP (CMP L ,memory-reference
,(coerce->machine-register register))))
(define (eq-test/memory*memory register-1 offset-1 register-2 offset-2)
(set-standard-branches! 'EQ)
(let ((temp (reference-temporary-register! false)))
(let ((finish
(lambda (register-1 offset-1 register-2 offset-2)
(LAP (MOV L ,(indirect-reference! register-1 offset-1)
,temp)
(CMP L ,(indirect-reference! register-2 offset-2)
,temp)))))
(if (or (and (not (register-has-alias? register-1 'ADDRESS))
(register-has-alias? register-2 'ADDRESS))
(and (not (register-has-alias? register-1 'DATA))
(register-has-alias? register-2 'DATA)))
(finish register-2 offset-2 register-1 offset-1)
(finish register-1 offset-1 register-2 offset-2)))))
(define-rule predicate
(EQ-TEST (REGISTER (? register)) (CONSTANT (? constant)))
(eq-test/constant*register constant register))
(define-rule predicate
(EQ-TEST (CONSTANT (? constant)) (REGISTER (? register)))
(eq-test/constant*register constant register))
(define-rule predicate
(EQ-TEST (OFFSET (REGISTER (? register)) (? offset)) (CONSTANT (? constant)))
(eq-test/constant*memory constant (indirect-reference! register offset)))
(define-rule predicate
(EQ-TEST (CONSTANT (? constant)) (OFFSET (REGISTER (? register)) (? offset)))
(eq-test/constant*memory constant (indirect-reference! register offset)))
(define-rule predicate
(EQ-TEST (CONSTANT (? constant)) (POST-INCREMENT (REGISTER 15) 1))
(eq-test/constant*memory constant (INST-EA (@A+ 7))))
(define-rule predicate
(EQ-TEST (POST-INCREMENT (REGISTER 15) 1) (CONSTANT (? constant)))
(eq-test/constant*memory constant (INST-EA (@A+ 7))))
(define-rule predicate
(EQ-TEST (REGISTER (? register-1)) (REGISTER (? register-2)))
(eq-test/register*register register-1 register-2))
(define-rule predicate
(EQ-TEST (OFFSET (REGISTER (? register-1)) (? offset-1))
(REGISTER (? register-2)))
(eq-test/register*memory register-2
(indirect-reference! register-1 offset-1)))
(define-rule predicate
(EQ-TEST (REGISTER (? register-1))
(OFFSET (REGISTER (? register-2)) (? offset-2)))
(eq-test/register*memory register-1
(indirect-reference! register-2 offset-2)))
(define-rule predicate
(EQ-TEST (POST-INCREMENT (REGISTER 15) 1) (REGISTER (? register)))
(eq-test/register*memory register (INST-EA (@A+ 7))))
(define-rule predicate
(EQ-TEST (REGISTER (? register)) (POST-INCREMENT (REGISTER 15) 1))
(eq-test/register*memory register (INST-EA (@A+ 7))))
(define-rule predicate
(EQ-TEST (OFFSET (REGISTER (? register-1)) (? offset-1))
(OFFSET (REGISTER (? register-2)) (? offset-2)))
(eq-test/memory*memory register-1 offset-1 register-2 offset-2))
| false |
8397b4edc28a181e48d53e0bffe5f59eb21565f2
|
defeada37d39bca09ef76f66f38683754c0a6aa0
|
/mscorlib/system/security/principal/generic-identity.sls
|
86fb3f98b2fc9a4d787dc79e2a0a4ac9643853fe
|
[] |
no_license
|
futsuki/ironscheme-port
|
2dbac82c0bda4f4ff509208f7f00a5211d1f7cd5
|
4e7a81b0fbeac9a47440464988e53fb118286c54
|
refs/heads/master
| 2016-09-06T17:13:11.462593 | 2015-09-26T18:20:40 | 2015-09-26T18:20:40 | 42,757,369 | 0 | 0 | null | null | null | null |
UTF-8
|
Scheme
| false | false | 989 |
sls
|
generic-identity.sls
|
(library (system security principal generic-identity)
(export new
is?
generic-identity?
authentication-type
name
is-authenticated?)
(import (ironscheme-clr-port))
(define-syntax new
(lambda (e)
(syntax-case e ()
((_ a ...)
#'(clr-new System.Security.Principal.GenericIdentity a ...)))))
(define (is? a) (clr-is System.Security.Principal.GenericIdentity a))
(define (generic-identity? a)
(clr-is System.Security.Principal.GenericIdentity a))
(define-field-port
authentication-type
#f
#f
(property:)
System.Security.Principal.GenericIdentity
AuthenticationType
System.String)
(define-field-port
name
#f
#f
(property:)
System.Security.Principal.GenericIdentity
Name
System.String)
(define-field-port
is-authenticated?
#f
#f
(property:)
System.Security.Principal.GenericIdentity
IsAuthenticated
System.Boolean))
| true |
928d66492bf632fbc4bf2d3c099a16780754b9dd
|
defeada37d39bca09ef76f66f38683754c0a6aa0
|
/mscorlib/system/security/security-exception.sls
|
d967b72ec4ce44bafa46c572b696a118eda570d1
|
[] |
no_license
|
futsuki/ironscheme-port
|
2dbac82c0bda4f4ff509208f7f00a5211d1f7cd5
|
4e7a81b0fbeac9a47440464988e53fb118286c54
|
refs/heads/master
| 2016-09-06T17:13:11.462593 | 2015-09-26T18:20:40 | 2015-09-26T18:20:40 | 42,757,369 | 0 | 0 | null | null | null | null |
UTF-8
|
Scheme
| false | false | 4,418 |
sls
|
security-exception.sls
|
(library (system security security-exception)
(export new
is?
security-exception?
get-object-data
to-string
action-get
action-set!
action-update!
deny-set-instance-get
deny-set-instance-set!
deny-set-instance-update!
failed-assembly-info-get
failed-assembly-info-set!
failed-assembly-info-update!
method-get
method-set!
method-update!
permit-only-set-instance-get
permit-only-set-instance-set!
permit-only-set-instance-update!
url-get
url-set!
url-update!
zone-get
zone-set!
zone-update!
demanded-get
demanded-set!
demanded-update!
first-permission-that-failed-get
first-permission-that-failed-set!
first-permission-that-failed-update!
permission-state-get
permission-state-set!
permission-state-update!
permission-type-get
permission-type-set!
permission-type-update!
granted-set-get
granted-set-set!
granted-set-update!
refused-set-get
refused-set-set!
refused-set-update!)
(import (ironscheme-clr-port))
(define-syntax new
(lambda (e)
(syntax-case e ()
((_ a ...)
#'(clr-new System.Security.SecurityException a ...)))))
(define (is? a) (clr-is System.Security.SecurityException a))
(define (security-exception? a)
(clr-is System.Security.SecurityException a))
(define-method-port
get-object-data
System.Security.SecurityException
GetObjectData
(System.Void
System.Runtime.Serialization.SerializationInfo
System.Runtime.Serialization.StreamingContext))
(define-method-port
to-string
System.Security.SecurityException
ToString
(System.String))
(define-field-port
action-get
action-set!
action-update!
(property:)
System.Security.SecurityException
Action
System.Security.Permissions.SecurityAction)
(define-field-port
deny-set-instance-get
deny-set-instance-set!
deny-set-instance-update!
(property:)
System.Security.SecurityException
DenySetInstance
System.Object)
(define-field-port
failed-assembly-info-get
failed-assembly-info-set!
failed-assembly-info-update!
(property:)
System.Security.SecurityException
FailedAssemblyInfo
System.Reflection.AssemblyName)
(define-field-port
method-get
method-set!
method-update!
(property:)
System.Security.SecurityException
Method
System.Reflection.MethodInfo)
(define-field-port
permit-only-set-instance-get
permit-only-set-instance-set!
permit-only-set-instance-update!
(property:)
System.Security.SecurityException
PermitOnlySetInstance
System.Object)
(define-field-port
url-get
url-set!
url-update!
(property:)
System.Security.SecurityException
Url
System.String)
(define-field-port
zone-get
zone-set!
zone-update!
(property:)
System.Security.SecurityException
Zone
System.Security.SecurityZone)
(define-field-port
demanded-get
demanded-set!
demanded-update!
(property:)
System.Security.SecurityException
Demanded
System.Object)
(define-field-port
first-permission-that-failed-get
first-permission-that-failed-set!
first-permission-that-failed-update!
(property:)
System.Security.SecurityException
FirstPermissionThatFailed
System.Security.IPermission)
(define-field-port
permission-state-get
permission-state-set!
permission-state-update!
(property:)
System.Security.SecurityException
PermissionState
System.String)
(define-field-port
permission-type-get
permission-type-set!
permission-type-update!
(property:)
System.Security.SecurityException
PermissionType
System.Type)
(define-field-port
granted-set-get
granted-set-set!
granted-set-update!
(property:)
System.Security.SecurityException
GrantedSet
System.String)
(define-field-port
refused-set-get
refused-set-set!
refused-set-update!
(property:)
System.Security.SecurityException
RefusedSet
System.String))
| true |
46e9809e1c44e545e17d5572f29f1e735dcce948
|
8f1401b60f1a0b73577a80129ec7fe7027a27eba
|
/src/algebra/internal/commutative.scm
|
07676b387353ff9be059ea769dab7fbe40b37202
|
[
"Apache-2.0"
] |
permissive
|
bluelight1324/geometric-algebra
|
347409d5ef023ab1109b4d6079ef1e73721ebc0b
|
fdc9332a4f5e2dd526c55bbaa57fd043d78f40d1
|
refs/heads/main
| 2023-04-18T08:41:57.832044 | 2021-05-05T20:08:21 | 2021-05-05T20:08:21 | null | 0 | 0 | null | null | null | null |
UTF-8
|
Scheme
| false | false | 2,483 |
scm
|
commutative.scm
|
(library (algebra internal commutative)
(export add mul term? term->list term-id term-factor term-equiv collect-terms expand)
(import (rnrs (6))
(format format)
(utility yasos)
(utility pmatch)
(utility algorithms)
(utility cut)
(algebra rings))
(define-syntax pred-or
(syntax-rules ()
((_ a ...) (lambda (x) (or (a x) ...)))))
(define-record-type tag)
(define numeric-factor (make-tag))
(define (factor-id f)
(cond
((symbol? f) f)
((number? f) numeric-factor)))
(define (term? a)
(or (symbol? a) (number? a)
(pmatch a
((* . ,factors) (for-all (pred-or symbol? number?) factors))
(else #f))))
(define (term->list a)
(pmatch a
((* . ,factors) factors)
(,x `(,x))))
(define (symbol<? a b)
(string<? (symbol->string a) (symbol->string b)))
(define (term-id a)
(list-sort symbol<? (filter symbol? (term->list a))))
(define (term-factor a)
(apply * (filter number? (term->list a))))
(define (term-equiv a b)
(equal? (term-id a) (term-id b)))
(define (collect-terms lst)
(let ((g (group-by term-id equal? lst)))
(map (lambda (a)
(mul (apply + (map term-factor (cdr a)))
`(* ,@(car a)))) g)))
(define (expand a)
(pmatch a
((+ . ,k) (sum (collect-terms k)))
((* . ,k) (product (cons (term-factor a) (term-id a))))
(else a)))
(define (mul a b)
(pmatch (list a b)
((0 ,_) 0)
((,_ 0) 0)
((1 ,_) b)
((,_ 1) a)
(((+ . ,k) ,_) (sum (map (cut mul <> b) k)))
((,_ (+ . ,l)) (sum (map (cut mul a <>) l)))
(((* . ,k) (* . ,l)) `(* ,@k ,@l))
(((* . ,k) ,_) `(* ,@k ,b))
((,_ (* . ,l)) `(* ,a ,@l))
((,_ ,_) `(* ,a ,b))))
(define (add a b)
(pmatch (list a b)
((0 ,_) b)
((,_ 0) a)
(((+ . ,k) (+ . ,l)) `(+ ,@k ,@l))
(((+ . ,k) ,_) `(+ ,@k ,b))
((,_ (+ . ,l)) `(+ ,a ,@l))
((,_ ,_) `(+ ,a ,b))))
(define (sum lst)
(if (null? lst)
0
(fold-left add (car lst) (cdr lst))))
(define (product lst)
(if (null? lst)
1
(fold-left mul (car lst) (cdr lst))))
)
| true |
5efcb1d6e6f945c9990564a659ae1588018ba178
|
d8bdd07d7fff442a028ca9edbb4d66660621442d
|
/scam/tests/20-scam/unify/matchvector.scm
|
3ea9fe6526fd89155c544168528885b6ed000d2c
|
[] |
no_license
|
xprime480/scam
|
0257dc2eae4aede8594b3a3adf0a109e230aae7d
|
a567d7a3a981979d929be53fce0a5fb5669ab294
|
refs/heads/master
| 2020-03-31T23:03:19.143250 | 2020-02-10T20:58:59 | 2020-02-10T20:58:59 | 152,641,151 | 0 | 0 | null | null | null | null |
UTF-8
|
Scheme
| false | false | 177 |
scm
|
matchvector.scm
|
(import (only (scam unify) match)
(test narc))
(narc-label "Match Vector")
(narc-expect
({ :name "Mike" :age 58 } (match #(:name :age) #("Mike" 58))))
(narc-report)
| false |
e4ffc454332c64e280cfe810035ac69285d20272
|
9cb1626e30c6ea40b11cd3715c03d0d5b88722de
|
/src/sake/extensions/core.scm
|
247ac3c3d4d2aef9859a8d679575be15572760be
|
[
"Zlib"
] |
permissive
|
alvatar/sphere-core
|
fbc2a76ed6743cbe7be99ff0abf50a79e331bb55
|
09e07d8b881f6b0292a4292b8b9a30a4ab5798f7
|
refs/heads/master
| 2020-05-18T13:32:08.074184 | 2015-03-21T12:17:50 | 2015-03-21T12:17:50 | 976,512 | 9 | 0 | null | 2014-04-26T12:30:09 | 2010-10-10T15:43:10 |
Scheme
|
UTF-8
|
Scheme
| false | false | 36,819 |
scm
|
core.scm
|
;;; Copyright (c) 2012, Alvaro Castro-Castilla. All rights reserved.
;;; Utilities and procedures to be used within sakefiles (needs scheme-base installed)
;;! Generate a unique C file from a module or a file
;; Shouldn't be used directly, better use sake#compile-module
;; .argument version: generate module version with specific features (compiler options, cond-expand...)
;; .returns the path of the generated file
(define (sake#compile-to-c module-or-file
#!key
(cond-expand-features '())
(compiler-options '())
(version compiler-options)
(expander 'syntax-case)
(output #f)
(verbose #f))
(if (not (eq? 'syntax-case expander))
(err "The only supported expander is 'syntax-case"))
(or (file-exists? (current-build-directory))
(make-directory (current-build-directory)))
(let ((module (if (string? module-or-file)
(err "Handling of module as file is unimplemented")
module-or-file)))
(%check-module module 'sake#compile-to-c)
(let* ((header-module (%module-header module))
(macros-module (%module-macros module))
(version (if (null? version) (%module-version module) version))
(input-file (string-append (%sphere-path (%module-sphere module))
(default-source-directory)
(%module-filename-scm module)))
(intermediate-file (string-append (current-build-directory)
"_%_"
(%module-flat-name module)
(default-scm-extension)))
(output-file (or output
(string-append (current-build-directory)
(%module-filename-c module version: version)))))
(info "compiling module to C -- "
(%module-sphere module)
": "
(%module-id module)
(if (null? version) "" (string-append " version: " (object->string version))))
(let* ((generate-cond-expand-code
(lambda (features)
`((define-syntax syntax-rules-error
(syntax-rules ()
((_) (0))))
(define-syntax cond-expand
(syntax-rules (and or not else ,@features)
((cond-expand) (syntax-rules-error "Unfulfilled cond-expand"))
((cond-expand (else body ...))
(begin body ...))
((cond-expand ((and) body ...) more-clauses ...)
(begin body ...))
((cond-expand ((and req1 req2 ...) body ...) more-clauses ...)
(cond-expand
(req1
(cond-expand
((and req2 ...) body ...)
more-clauses ...))
more-clauses ...))
((cond-expand ((or) body ...) more-clauses ...)
(cond-expand more-clauses ...))
((cond-expand ((or req1 req2 ...) body ...) more-clauses ...)
(cond-expand
(req1
(begin body ...))
(else
(cond-expand
((or req2 ...) body ...)
more-clauses ...))))
((cond-expand ((not req) body ...) more-clauses ...)
(cond-expand
(req
(cond-expand more-clauses ...))
(else body ...)))
,@(map
(lambda (cef)
`((cond-expand (,cef body ...) more-clauses ...)
(begin body ...)))
features)
((cond-expand (feature-id body ...) more-clauses ...)
(cond-expand more-clauses ...))))))))
(define filter-map (lambda (f l)
(let recur ((l l))
(if (null? l) '()
(let ((result (f (car l))))
(if result
(cons result (recur (cdr l)))
(recur (cdr l))))))))
(case expander
((riaxpander)
(let ((compiling-without-riaxpander? (not (null? (%module-shallow-dependencies-to-prelude module)))))
(let ((compilation-environment-code
(if compiling-without-riaxpander?
;; No Riaxpander: no compilation environment
'()
;; Riaxpander: Add cond-expand-code and import macros
`(,@(generate-cond-expand-code (cons 'compile-to-c cond-expand-features))
,@(map (lambda (m) `(##include-module-and-dependencies ',m ',(if verbose '(verbose) '())))
;; Import shallow dependencies, as dependencies should already be expanded
(append (%module-shallow-dependencies-to-include module)
;; (apply append (map %module-shallow-dependencies-to-include
;; (%module-shallow-dependencies-to-load module)))
(if header-module (list header-module) '())
;; (if macros-module (list macros-module) '())
))))))
(if verbose
(if compiling-without-riaxpander?
(info/color 'green "bypassing the Macro expander, as the module uses prelude")
(info/color 'green "expanding macros with Riaxpander")))
(if (and (not compiling-without-riaxpander?) verbose)
(begin
(info/color 'light-green "compilation environment code:")
(for-each pp compilation-environment-code)))
;; Eval compilation code in current environment
;; This has been removed in favor of running the code directly in the spawned GSC instance
;; (for-each eval compilation-environment-code)
(let* ((input-code (with-input-from-file input-file read-all))
(intermediate-code
(if compiling-without-riaxpander?
;; Without Riaxpander
`(,@(map (lambda (f)
`(define-cond-expand-feature ,f))
(cons 'compile-to-c cond-expand-features))
,@(map (lambda (p)
`(##include ,(string-append
(%module-path-src p)
(%module-filename-scm p))))
;; Dependencies here are not deep, as they should be already compiled
(%module-shallow-dependencies-to-prelude module))
,@input-code)
;; With Riaxpander
`( ;; Compile-time cond-expand-features
,@(map (lambda (f)
`(define-cond-expand-feature ,f))
(cons 'compile-to-c cond-expand-features))
;; If there is a header module set up proper namespace
,@(if header-module
`((##namespace (,(%module-namespace module))))
'())
,@(if header-module
'((##include "~~lib/gambit#.scm"))
'())
;; Include custom compilation preludes defined in config.scm
,@(map (lambda (p)
`(##include ,(string-append
(%module-path-src p)
(%module-filename-scm p))))
;; Dependencies here are not deep, as they should be already compiled
(%module-shallow-dependencies-to-prelude module))
;; Include load dependencies' headers if they have
,@(filter-map
(lambda (m) (let ((module-header (%module-header m)))
(and module-header
`(##include ,(string-append
(%module-path-src module-header)
(%module-filename-scm module-header))))))
;; Dependencies here are not deep, as they should be already compiled
(%module-shallow-dependencies-to-load module))
;; Include header module if we have one
,@(if header-module
`((##include ,(string-append
(%module-path-src header-module)
(%module-filename-scm header-module))))
'())
,@input-code))))
;; Verbose compilation
(if verbose
(begin (info/color 'light-green "code to be compiled:")
(for-each pp intermediate-code)))
;; Write code in intermediate file
(call-with-output-file
intermediate-file
(lambda (f) (for-each (lambda (expr) (pp expr f)) intermediate-code)))
;; Compile
(or (zero?
(gambit-eval-here
`(,@compilation-environment-code
(or (compile-file-to-target
,intermediate-file
output: ,output-file
options: ',compiler-options)
(exit 1)))
flags-string: (if compiling-without-riaxpander? "-f" "")))
(err "error compiling generated C file"))))))
((syntax-case)
(let ((compilation-environment-code
`(,@(generate-cond-expand-code (cons 'compile-to-c cond-expand-features))
,@(map (lambda (m) `(##include-module-and-dependencies ',m ',(if verbose '(verbose) '())))
;; Import shallow dependencies, as dependencies should already be expanded
(append (%module-shallow-dependencies-to-include module)
;; (apply append (map %module-shallow-dependencies-to-include
;; (%module-shallow-dependencies-to-load module)))
(if header-module (list header-module) '())
;; (if macros-module (list macros-module) '())
)))))
(if verbose
(begin
(info/color 'light-green "compilation environment code:")
(for-each pp compilation-environment-code)))
;; Eval compilation code in current environment
;; This has been removed in favor of running the code directly in the spawned GSC instance
;; (for-each eval compilation-environment-code)
(let* ((input-code (with-input-from-file input-file read-all))
(intermediate-code
`( ;; Compile-time cond-expand-features
,@(map (lambda (f)
`(define-cond-expand-feature ,f))
(cons 'compile-to-c cond-expand-features))
;; If there is a header module set up proper namespace
,@(if header-module
`((##namespace (,(%module-namespace module))))
'())
,@(if header-module
'((##include "~~lib/gambit#.scm"))
'())
;; EXPAND custom compilation preludes defined in config.scm
,@(map (lambda (p)
`(include ,(string-append (%module-path-src p) (%module-filename-scm p))))
;; Dependencies here are not deep, as they should be already compiled
(%module-shallow-dependencies-to-prelude module))
;; Include load dependencies' headers if they have
,@(filter-map
(lambda (m) (let ((module-header (%module-header m)))
(and module-header
`(##include ,(string-append
(%module-path-src module-header)
(%module-filename-scm module-header))))))
;; Dependencies here are not deep, as they should be already compiled
(%module-shallow-dependencies-to-load module))
;; Include header module if we have one
,@(if header-module
`((##include ,(string-append
(%module-path-src header-module)
(%module-filename-scm header-module))))
'())
,@input-code)))
;; Verbose compilation
(if verbose
(begin (info/color 'light-green "code to be compiled:")
(for-each pp intermediate-code)))
;; Write code in intermediate file
(call-with-output-file
intermediate-file
(lambda (f) (for-each (lambda (expr) (pp expr f)) intermediate-code)))
;; Compile
(if verbose (info/color 'light-green "syntax-case expansion:"))
(or (zero?
(gambit-eval-here
`(,@compilation-environment-code
(syntax-case-debug ,verbose)
(or (compile-file-to-target
,intermediate-file
output: ,output-file
options: ',compiler-options)
(exit 1)))
flags-string: ""))
(err "error compiling generated C file")))))
((gambit)
(err "Gambit expander workflow not implemented"))
(else (err "Unknown expander"))))
output-file)))
;;! Compile a C file generated by Gambit
;; Shouldn't be used directly, better use sake#compile-module
(define (sake#compile-c-to-o c-file
#!key
(output (path-strip-extension c-file))
(env-options '())
(options '())
(cc-options "")
(ld-options "")
(delete-c #f)
verbose)
(if ((newer-than? output) c-file)
(let* ((env-code
(if (null? env-options)
#!void
(begin (map (lambda (e) `(setenv ,(car e) ,(cadr e))) env-options))))
(compile-code
`(,@env-code
(compile-file ,c-file options: ',options output: ,output cc-options: ,cc-options ld-options: ,ld-options))))
(info "compiling C file to o -- " c-file)
(if verbose (begin (info/color 'green "Spawning a Gambit instance with this code: ")
(pp compile-code)))
(or (zero?
(gambit-eval-here compile-code))
(err "error compiling C file"))))
(if delete-c
(delete-file c-file recursive: #t))
output)
;;! Compile to o in one step, through a C intermediary file
(define (sake#compile-module module
#!key
(cond-expand-features '())
(compiler-options '())
(version compiler-options)
(expander 'syntax-case)
c-output-file
o-output-file
override-env-options
override-cc-options
override-ld-options
verbose
delete-c)
(let ((scm-path (string-append
(%module-path-src module)
(%module-filename-scm module)))
(default-path (string-append
(%module-path-lib module)
(%module-filename-c module)))
(c-file #f))
(if (not ((newer-than? default-path) scm-path))
(set! c-file default-path)
(set! c-file (sake#compile-to-c module
cond-expand-features: cond-expand-features
compiler-options: compiler-options
version: version
expander: expander
output: c-output-file
verbose: verbose)))
(sake#compile-c-to-o c-file
output:
(or o-output-file (path-strip-extension c-file))
env-options:
(or override-env-options
(%module-shallow-dependencies-env-options module))
cc-options:
(or override-cc-options
(%process-cc-options (%module-shallow-dependencies-cc-options module)))
ld-options:
(or override-ld-options
(%process-ld-options (%module-shallow-dependencies-ld-options module)))
delete-c: delete-c
verbose: verbose)))
;;! Compile to exe
(define (sake#compile-to-exe exe-name
modules
#!key
(version '())
(cond-expand-features '())
(compiler-options '())
override-cc-options
override-ld-options
(output (string-append (current-bin-directory) exe-name))
(strip #t)
(verbose #f))
;; Make sure work directories are ready
(unless (file-exists? (current-build-directory)) (make-directory (current-build-directory)))
(unless (file-exists? (current-bin-directory)) (make-directory (current-bin-directory)))
(let ((cc-options (or override-cc-options
(%process-cc-options (apply append (map %module-deep-dependencies-cc-options modules)))))
(ld-options (or override-ld-options
(%process-ld-options (apply append (map %module-deep-dependencies-ld-options modules))))))
(info "compiling modules to exe: ")
(for-each (lambda (m) (info " * " (object->string m) " -> " (object->string (%module-normalize m))))
modules)
(let ((c-files (apply
append
(map (lambda (m)
(info "The following dependencies for \033[00;32m"
(object->string (%module-normalize m))
"\033[00m will be linked:")
(append (map (lambda (mdep)
(info " * " (object->string mdep) "")
;; First try with the default path
(let ((scm-path (string-append
(%module-path-src mdep)
(%module-filename-scm mdep)))
(default-path (string-append
(%module-path-lib mdep)
(%module-filename-c mdep))))
(if (not ((newer-than? default-path) scm-path))
default-path
(let ((local-path (string-append
(current-build-directory)
(%module-filename-c mdep))))
(if (not ((newer-than? local-path) scm-path))
local-path
(begin
(info "Compiling deferred dependency "
(object->string (%module-normalize mdep)))
(sake#compile-to-c mdep
version: version
cond-expand-features: cond-expand-features
compiler-options: compiler-options
verbose: verbose)))))))
(%module-deep-dependencies-to-load m))
(list (sake#compile-to-c
m
version: version
cond-expand-features: cond-expand-features
compiler-options: compiler-options
verbose: verbose))))
modules))))
(gambit-eval-here
`((let* ((link-file (link-incremental ',c-files))
(gcc-cli (string-append ,(c-compiler)
" " ,@(map (lambda (f) (string-append f " ")) c-files)
" " link-file
" -o" ,output
" -I" (path-expand "~~include") " "
,cc-options
" -L" (path-expand "~~lib") " -lgambc -lm -ldl -lutil "
,ld-options)))
(if (not link-file) (err "error generating link file"))
(if ,verbose (begin (pp link-file) (pp gcc-cli)))
(shell-command gcc-cli)
(if ,strip (shell-command ,(string-append "strip " output)))
(delete-file link-file)))
flags-string: "-f"))))
;;! Generate a flat link file
(define (sake#link-flat link-file
modules
#!key
(dir (current-build-directory))
(version '())
(verbose #f))
(info/color 'green (string-append "generating flat link file: " link-file))
(let* ((output-file (string-append dir link-file))
(code
`((link-flat
',(map (lambda (m) (string-append dir (%module-filename-c m version: version))) modules)
output: ,output-file
warnings?: ,verbose))))
(if verbose (pp code))
(unless (= 0 (gambit-eval-here code))
(err "error generating Gambit flat link file"))
output-file))
;;! Generate an incremental link file
(define (sake#link-incremental link-file
modules
#!key
(dir (current-build-directory))
(version '())
(verbose #f))
(info/color 'green (string-append "generating an incremental link file: " link-file))
(let* ((output-file (string-append dir link-file))
(code
`((link-incremental
',(map (lambda (m) (string-append dir (%module-filename-c m version: version))) modules)
output: ,output-file
warnings?: ,verbose))))
(if verbose (pp code))
(unless (= 0 (gambit-eval-here code))
(err "error generating Gambit incremental link file"))
output-file))
;;! Make a module that includes a set of modules
(define (sake#generate-includer modules #!key (output "merged-modules.scm"))
(let ((output-path (string-append (current-build-directory) output)))
(call-with-output-file
output-path
(lambda (file)
(display
(apply
string-append
(map (lambda (m) (string-append "(include \""
(current-source-directory)
(%module-filename-scm m)
"\")\n"))
modules))
file)))
output-path))
;;! Substitute (include <>) by the code in the referenced file
;; Merges the included files recursively, as S-expressions, but respects
;; the input-file as text, leaving the
(define (sake#expand-includes input-file output-file)
(define (do-expansion form)
(map** (lambda (e) (if (and (pair? e) (eq? (car e) 'include))
(begin
(current-directory (path-directory (path-expand (cadr e))))
(do-expansion `(begin ,@(with-input-from-file (path-strip-directory (cadr e)) read-all))))
e))
form))
(let* ((str-list (call-with-input-file input-file (lambda (f) (read-all f read-char))))
(str (list->string str-list))
(str-len (string-length str)))
(with-output-to-file
output-file
(lambda ()
(for-each
write-char
(let recur ((i 0)
(str-rest str-list))
(cond ((null? str-rest)
'())
((and (char=? (car str-rest) #\()
(string=? "include " (substring str (+ i 1) (+ i 9)))) ; find include form
(receive (continue-position filename)
(let parse-filename ((j (+ i 9))
(chars '())
(status 'searching-first))
(case status
((searching-first)
(if (and (char=? (string-ref str j) #\")
(not (char=? (string-ref str (- j 1)) #\\))) ; make sure the " is not escaped
(parse-filename (+ j 1) chars 'reading)
(parse-filename (+ j 1) chars 'searching-first)))
((reading)
(if (and (char=? (string-ref str j) #\")
(not (char=? (string-ref str (- j 1)) #\\))) ; idem
(parse-filename (+ j 1) chars 'search-next-parenthesis)
(parse-filename (+ j 1)
(cons (string-ref str j)
chars)
'reading)))
((search-next-parenthesis)
(if (char=? (string-ref str j) #\))
(values (+ j 1)
(list->string (reverse chars)))
(parse-filename (+ j 1) chars 'search-next-parenthesis)))))
(append
(parameterize
((current-directory (path-directory (path-expand input-file))))
(string->list
(with-output-to-string
'()
(lambda () (for-each (lambda (form) (pp form (current-output-port)))
(do-expansion (with-input-from-file filename read-all)))))))
(recur continue-position
(drop str-rest (- continue-position i))))))
(else
(cons (car str-rest)
(recur (+ i 1) (cdr str-rest)))))))))))
;;! Install o and/or C file in the lib/ directory
(define (sake#make-module-available m
#!key
(versions '(()))
(omit-o #f)
(omit-c #f))
(or (file-exists? (current-lib-directory))
(make-directory (current-lib-directory)))
(for-each
(lambda (version)
(or omit-o
(copy-file (string-append (current-build-directory) (%module-filename-o m version: version))
(string-append (current-lib-directory) (%module-filename-o m version: version))))
(or omit-c
(copy-file (string-append (current-build-directory) (%module-filename-c m version: version))
(string-append (current-lib-directory) (%module-filename-c m version: version)))))
versions))
;;! Test all files in test/
(define (sake#test-all)
(for-each sake#test
(fileset dir: "test/"
test: (f-and (extension=? ".scm")
(f-not (ends-with? "#.scm")))
recursive: #t)))
;;! Test a file
(define (sake#test module)
(cond
((string? module)
(if (file-exists? module)
(if (not (zero? (gambit-eval-here
`((##spheres-include ,module)))))
(err "Internal error running tests. Child process exited abnormally."))
(err "Testing file doesn't exist")))
((%module? module)
(%check-module module 'sake#test)
(if (not (zero? (gambit-eval-here
`((##spheres-include ,(string-append "test/"
(%module-filename-scm module)))))))
(err "Internal error running tests. Child process exited abnormally.")))
(else
(err "Bad testing module description: file path or module"))))
;;! Clean all default generated files and directories
(define (sake#default-clean)
(delete-file (current-build-directory) recursive: #t)
(delete-file (current-lib-directory) recursive: #t)
(delete-file (current-bin-directory) recursive: #t))
;;! Install all the files in lib/ in the system directory for the library
(define (sake#install-sphere-to-system #!key
(extra-directories '())
(sphere (%current-sphere)))
(delete-file (%sphere-system-path sphere) recursive: #t)
(make-directory (%sphere-system-path sphere))
(copy-files '("config.scm" "sakefile.scm")
(%sphere-system-path sphere))
(for-each (lambda (dir)
(if (file-exists? dir)
(begin (make-directory (string-append (%sphere-system-path sphere) dir))
(copy-files (fileset dir: dir recursive: #f)
(string-append (%sphere-system-path sphere) dir)))))
`(,(path-relative (current-source-directory))
,(path-relative (current-lib-directory))
,@extra-directories)))
;;! Uninstall all the files from the system installation
(define (sake#uninstall-sphere-from-system #!optional (sphere (%current-sphere)))
(delete-file (%sphere-system-path sphere) recursive: #t))
;;! Get the host platform
(define (sake#host-platform)
(let ((sys (symbol->string (caddr (system-type)))))
(cond ((and (> (string-length sys) 4)
(string=? "linux" (substring sys 0 5)))
'linux)
((and (> (string-length sys) 5)
(string=? "darwin" (substring sys 0 6)))
'osx)
(else (err "sake#host-platform -> can't detect current platform")))))
;;! Parallel for-each, suitable mainly for parallel compilation, which spawns external processes
(define (sake#parallel-for-each f l
#!key
(max-thread-number
(case (sake#host-platform)
((linux)
(string->number
(with-input-from-process "nproc"
read-line)))
((osx)
(string->number
(with-input-from-port
(open-process
(list path: "sysctl"
arguments:
'("-n" "hw.logicalcpu")))
read-line)))
(else 2))))
(info "using " max-thread-number " compilation threads")
(let ((pending-elements l)
(elements-mutex (make-mutex))
(results '())
(results-mutex (make-mutex)))
(let ((main-thread (current-thread))
(add-to-results! (lambda (r)
(mutex-lock! results-mutex)
(set! results (cons r results))
(mutex-unlock! results-mutex))))
(let recur ((n 0)
(thread-pool '()))
(if (< n max-thread-number)
(recur (+ n 1)
(cons (thread-start!
(make-thread
(lambda ()
(let ((current-thread-element #f))
(with-exception-catcher
(lambda (e)
(thread-send main-thread
(cons e current-thread-element)))
(lambda ()
(let recur ((n 0))
(mutex-lock! elements-mutex)
(if (null? pending-elements)
(begin (mutex-unlock! elements-mutex)
'finished-thread)
(let ((next (car pending-elements)))
(set! current-thread-element next)
(set! pending-elements (cdr pending-elements))
(mutex-unlock! elements-mutex)
(add-to-results! (f next))
(recur (fx+ n 1)))))))))))
thread-pool)))
(for-each thread-join! thread-pool)
(let read-messages ()
(let ((m (thread-receive 0 'finished)))
(if (not (eq? m 'finished))
(begin (err "parallel-for-each exception " (car m) " running procedure on element: " (cdr m))
(read-messages)))))))
(reverse results)))
| true |
a1eeef1eef1dd5c2ec8221fdddf6de0d248103bc
|
165a4ff581651cdad1bc512ec1c82cebc0ac575a
|
/src/SICP/4/4.1/ex4.11.ss
|
01075e9a481a311fdfadee322fda4b8bb55e5852
|
[] |
no_license
|
haruyama/yami
|
5028e416a2caa40a0193d46018fe4be81d7820dc
|
32997caecc18d9d82a28b88fabe5b414a55e0e18
|
refs/heads/master
| 2020-12-25T09:47:04.240216 | 2018-06-16T08:28:41 | 2018-06-16T08:28:41 | 898,824 | 1 | 1 | null | null | null | null |
UTF-8
|
Scheme
| false | false | 2,560 |
ss
|
ex4.11.ss
|
(load "./4.1_2.ss")
(define (make-frame variables values)
(define (iter variables values)
(if (null? variables)
'()
(cons (cons (car variables) (car values))
(iter (cdr variables) (cdr values)))))
(list (iter variables values)))
(define (frame-variables frame)
(map car (car frame)))
(define (frame-values frame)
(map cdr (car frame)))
(define (add-binding-to-frame! var val frame)
(set-car! frame (cons (cons var val) (car frame))))
(define f (make-frame (list 'a 'b 'd) (list 1 2 4)))
(add-binding-to-frame! 'c 3 f)
(display f)
(frame-variables f)
(frame-values f)
(define f (make-frame '() '()))
(add-binding-to-frame! 'c 4 f)
(display f)
(frame-variables f)
(frame-values f)
(define (lookup-variable-value var env)
(define (env-loop env)
(define (scan l)
(cond ((null? l)
(env-loop (enclosing-environment env)))
((eq? var (caar l))
(cdar l))
(else (scan (cdr l)))))
(if (eq? env the-empty-environment)
(error "Unbound variable" var)
(let ((frame (first-frame env)))
(scan (car frame)))))
(env-loop env))
(define (set-variable-value! var val env)
(define (env-loop env)
(define (scan l)
(cond ((null? l)
(env-loop (enclosing-environment env)))
((eq? var (caar l))
(set-cdr! (car l) val))
(else (scan (cdr l)))))
(if (eq? env the-empty-environment)
(error "Unbound variable -- SET!" var)
(let ((frame (first-frame env)))
(scan (car frame)))))
(env-loop env))
(define (define-variable! var val env)
(let ((frame (first-frame env)))
(define (scan l)
(cond ((null? l)
(add-binding-to-frame! var val frame))
((eq? var (caar l))
(set-cdr! (car l) val))
(else (scan (cdr l)))))
(scan (car frame))))
(define (setup-environment2)
(let ((initial-env
(extend-environment '(a)
'(1)
the-empty-environment)))
(define-variable! 'true true initial-env)
(define-variable! 'false false initial-env)
initial-env))
(define the-global-environment2 (setup-environment2))
(define-variable! 'b 1 the-global-environment2)
(display the-global-environment2)
(set-variable-value! 'b 2 the-global-environment2)
(display the-global-environment2)
;error
(set-variable-value! 'd 2 the-global-environment2)
(lookup-variable-value 'a the-global-environment2)
(lookup-variable-value 'b the-global-environment2)
(display the-global-environment2)
| false |
2113dbfb668c19d886c2e16049464156b41cb5ed
|
defeada37d39bca09ef76f66f38683754c0a6aa0
|
/System.Xml/mono/xml/xsl/operations/xsl-if.sls
|
f844371abc05913ed14d78b25720e889b45fcce4
|
[] |
no_license
|
futsuki/ironscheme-port
|
2dbac82c0bda4f4ff509208f7f00a5211d1f7cd5
|
4e7a81b0fbeac9a47440464988e53fb118286c54
|
refs/heads/master
| 2016-09-06T17:13:11.462593 | 2015-09-26T18:20:40 | 2015-09-26T18:20:40 | 42,757,369 | 0 | 0 | null | null | null | null |
UTF-8
|
Scheme
| false | false | 676 |
sls
|
xsl-if.sls
|
(library (mono xml xsl operations xsl-if)
(export new is? xsl-if? evaluate evaluate-if-true?)
(import (ironscheme-clr-port))
(define-syntax new
(lambda (e)
(syntax-case e ()
((_ a ...) #'(clr-new Mono.Xml.Xsl.Operations.XslIf a ...)))))
(define (is? a) (clr-is Mono.Xml.Xsl.Operations.XslIf a))
(define (xsl-if? a) (clr-is Mono.Xml.Xsl.Operations.XslIf a))
(define-method-port
evaluate
Mono.Xml.Xsl.Operations.XslIf
Evaluate
(System.Void Mono.Xml.Xsl.XslTransformProcessor))
(define-method-port
evaluate-if-true?
Mono.Xml.Xsl.Operations.XslIf
EvaluateIfTrue
(System.Boolean Mono.Xml.Xsl.XslTransformProcessor)))
| true |
6f68f12b67e8541a52fdede45ca937036fa62829
|
6f7df1f0361204fb0ca039ccbff8f26335a45cd2
|
/scheme/tests/inversion-report/intro-query.ss
|
ed7501fc37369fa3031ada6d437f4b45343431ee
|
[] |
no_license
|
LFY/bpm
|
f63c050d8a2080793cf270b03e6cf5661bf3599e
|
a3bce19d6258ad42dce6ffd4746570f0644a51b9
|
refs/heads/master
| 2021-01-18T13:04:03.191094 | 2012-09-25T10:31:25 | 2012-09-25T10:31:25 | 2,099,550 | 2 | 0 | null | null | null | null |
UTF-8
|
Scheme
| false | false | 61 |
ss
|
intro-query.ss
|
'(node (node (node (node 2)))
(node (node (node 2))))
| false |
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