Merge remote-tracking branch 'upstream/master' into native-record
Conflicts: piclib/scheme/base.scm
This commit is contained in:
Yuito Murase
commit
0c4d2b9cef
|
|
@ -1,6 +1,6 @@
|
|||
list(APPEND PICLIB_SCHEME_LIBS
|
||||
${PROJECT_SOURCE_DIR}/piclib/picrin/macro.scm # the only dependency prelude requires
|
||||
${PROJECT_SOURCE_DIR}/piclib/prelude.scm
|
||||
${PROJECT_SOURCE_DIR}/piclib/picrin/macro.scm
|
||||
${PROJECT_SOURCE_DIR}/piclib/scheme/base.scm
|
||||
${PROJECT_SOURCE_DIR}/piclib/picrin/array.scm
|
||||
${PROJECT_SOURCE_DIR}/piclib/picrin/dictionary.scm
|
||||
${PROJECT_SOURCE_DIR}/piclib/picrin/test.scm
|
||||
|
|
|
|||
|
|
@ -1,7 +1,7 @@
|
|||
;;; core syntaces
|
||||
(define-library (picrin core-syntax)
|
||||
(import (scheme base)
|
||||
(picrin macro))
|
||||
(define-library (scheme base)
|
||||
(import (picrin macro))
|
||||
|
||||
;; core syntax
|
||||
|
||||
(define-syntax syntax-error
|
||||
(er-macro-transformer
|
||||
|
|
@ -275,23 +275,46 @@
|
|||
do when unless
|
||||
let-syntax letrec-syntax
|
||||
include
|
||||
_ ... syntax-error))
|
||||
_ ... syntax-error)
|
||||
|
||||
(import (picrin core-syntax))
|
||||
|
||||
(export let let* letrec letrec*
|
||||
quasiquote unquote unquote-splicing
|
||||
and or
|
||||
cond case else =>
|
||||
do when unless
|
||||
let-syntax letrec-syntax
|
||||
include
|
||||
_ ... syntax-error)
|
||||
;; utility functions
|
||||
|
||||
;;; multiple value
|
||||
(define-library (picrin values)
|
||||
(import (scheme base)
|
||||
(picrin macro))
|
||||
(define (walk proc expr)
|
||||
(cond
|
||||
((null? expr)
|
||||
'())
|
||||
((pair? expr)
|
||||
(cons (walk proc (car expr))
|
||||
(walk proc (cdr expr))))
|
||||
((vector? expr)
|
||||
(list->vector (map proc (vector->list expr))))
|
||||
(else
|
||||
(proc expr))))
|
||||
|
||||
(define (flatten expr)
|
||||
(let ((list '()))
|
||||
(walk
|
||||
(lambda (x)
|
||||
(set! list (cons x list)))
|
||||
expr)
|
||||
(reverse list)))
|
||||
|
||||
(define (reverse* l)
|
||||
;; (reverse* '(a b c d . e)) => (e d c b a)
|
||||
(let loop ((a '())
|
||||
(d l))
|
||||
(if (pair? d)
|
||||
(loop (cons (car d) a) (cdr d))
|
||||
(cons d a))))
|
||||
|
||||
(define (every? pred l)
|
||||
(if (null? l)
|
||||
#t
|
||||
(and (pred (car l)) (every? pred (cdr l)))))
|
||||
|
||||
|
||||
;; extra syntax
|
||||
|
||||
(define-syntax let*-values
|
||||
(er-macro-transformer
|
||||
|
|
@ -309,26 +332,6 @@
|
|||
(lambda (form r c)
|
||||
`(,(r 'let*-values) ,@(cdr form)))))
|
||||
|
||||
(define (walk proc expr)
|
||||
(cond
|
||||
((null? expr)
|
||||
'())
|
||||
((pair? expr)
|
||||
(cons (proc (car expr))
|
||||
(walk proc (cdr expr))))
|
||||
((vector? expr)
|
||||
(list->vector (map proc (vector->list expr))))
|
||||
(else
|
||||
(proc expr))))
|
||||
|
||||
(define (flatten expr)
|
||||
(let ((list '()))
|
||||
(walk
|
||||
(lambda (x)
|
||||
(set! list (cons x list)))
|
||||
expr)
|
||||
(reverse list)))
|
||||
|
||||
(define uniq
|
||||
(let ((counter 0))
|
||||
(lambda (x)
|
||||
|
|
@ -355,274 +358,8 @@
|
|||
|
||||
(export let-values
|
||||
let*-values
|
||||
define-values))
|
||||
define-values)
|
||||
|
||||
;;; parameter
|
||||
(define-library (picrin parameter)
|
||||
(import (scheme base)
|
||||
(picrin macro))
|
||||
|
||||
(define-syntax parameterize
|
||||
(ir-macro-transformer
|
||||
(lambda (form inject compare)
|
||||
(let ((formal (car (cdr form)))
|
||||
(body (cdr (cdr form))))
|
||||
(let ((vars (map car formal))
|
||||
(vals (map cadr formal)))
|
||||
`(begin
|
||||
,@(map (lambda (var val) `(parameter-push! ,var ,val)) vars vals)
|
||||
(let ((result (begin ,@body)))
|
||||
,@(map (lambda (var) `(parameter-pop! ,var)) vars)
|
||||
result)))))))
|
||||
|
||||
(export parameterize))
|
||||
|
||||
;;; Record Type
|
||||
(define-library (picrin record)
|
||||
(import (scheme base)
|
||||
(picrin macro)
|
||||
(picrin record-primitive))
|
||||
|
||||
(define (caddr x) (car (cddr x)))
|
||||
(define (cdddr x) (cdr (cddr x)))
|
||||
(define (cadddr x) (car (cdddr x)))
|
||||
(define (cddddr x) (cdr (cdddr x)))
|
||||
|
||||
(define (make-record-type name)
|
||||
(let ((rectype (make-record #t)))
|
||||
(record-set! rectype #t 'name name)
|
||||
rectype))
|
||||
|
||||
(define-syntax define-record-constructor
|
||||
(ir-macro-transformer
|
||||
(lambda (form inject compare?)
|
||||
(let ((rectype (cadr form))
|
||||
(name (caddr form))
|
||||
(fields (cdddr form)))
|
||||
`(define (,name ,@fields)
|
||||
(let ((record (make-record ,rectype)))
|
||||
,@(map (lambda (field)
|
||||
`(record-set! record ,rectype ',field ,field))
|
||||
fields)
|
||||
record))))))
|
||||
|
||||
(define-syntax define-record-predicate
|
||||
(ir-macro-transformer
|
||||
(lambda (form inject compare?)
|
||||
(let ((rectype (cadr form))
|
||||
(name (caddr form)))
|
||||
`(define (,name obj)
|
||||
(record-of? obj ,rectype))))))
|
||||
|
||||
(define-syntax define-record-field
|
||||
(ir-macro-transformer
|
||||
(lambda (form inject compare?)
|
||||
(let ((rectype (cadr form))
|
||||
(field-name (caddr form))
|
||||
(accessor (cadddr form))
|
||||
(modifier? (cddddr form)))
|
||||
(if (null? modifier?)
|
||||
`(define (,accessor record)
|
||||
(record-roef record ,rectype ',field-name))
|
||||
`(begin
|
||||
(define (,accessor record)
|
||||
(record-ref record ,rectype ',field-name))
|
||||
(define (,(car modifier?) record val)
|
||||
(record-set! record ,rectype ',field-name val))))))))
|
||||
|
||||
(define-syntax define-record-type
|
||||
(ir-macro-transformer
|
||||
(lambda (form inject compare?)
|
||||
(let ((name (cadr form))
|
||||
(constructor (caddr form))
|
||||
(pred (cadddr form))
|
||||
(fields (cddddr form)))
|
||||
`(begin
|
||||
(define ,name (make-record-type ',name))
|
||||
(define-record-constructor ,name ,@constructor)
|
||||
(define-record-predicate ,name ,pred)
|
||||
,@(map (lambda (field) `(define-record-field ,name ,@field))
|
||||
fields))))))
|
||||
|
||||
(export define-record-type))
|
||||
|
||||
(import (picrin macro)
|
||||
(picrin values)
|
||||
(picrin parameter)
|
||||
(picrin record))
|
||||
|
||||
(export let-values
|
||||
let*-values
|
||||
define-values)
|
||||
|
||||
(export make-parameter
|
||||
parameterize)
|
||||
|
||||
(export define-record-type)
|
||||
|
||||
;;; 6.6 Characters
|
||||
|
||||
(define-macro (define-char-transitive-predicate name op)
|
||||
`(define (,name . cs)
|
||||
(apply ,op (map char->integer cs))))
|
||||
|
||||
(define-char-transitive-predicate char=? =)
|
||||
(define-char-transitive-predicate char<? <)
|
||||
(define-char-transitive-predicate char>? >)
|
||||
(define-char-transitive-predicate char<=? <=)
|
||||
(define-char-transitive-predicate char>=? >=)
|
||||
|
||||
(export char=?
|
||||
char<?
|
||||
char>?
|
||||
char<=?
|
||||
char>=?)
|
||||
|
||||
;;; 6.7 String
|
||||
|
||||
(define (string->list string . opts)
|
||||
(let ((start (if (pair? opts) (car opts) 0))
|
||||
(end (if (>= (length opts) 2)
|
||||
(cadr opts)
|
||||
(string-length string))))
|
||||
(do ((i start (+ i 1))
|
||||
(res '()))
|
||||
((= i end)
|
||||
(reverse res))
|
||||
(set! res (cons (string-ref string i) res)))))
|
||||
|
||||
(define (list->string list)
|
||||
(let ((len (length list)))
|
||||
(let ((v (make-string len)))
|
||||
(do ((i 0 (+ i 1))
|
||||
(l list (cdr l)))
|
||||
((= i len)
|
||||
v)
|
||||
(string-set! v i (car l))))))
|
||||
|
||||
(define (string . objs)
|
||||
(list->string objs))
|
||||
|
||||
(export string string->list list->string)
|
||||
|
||||
;;; 6.8. Vector
|
||||
|
||||
(define (vector . objs)
|
||||
(list->vector objs))
|
||||
|
||||
(define (vector->string . args)
|
||||
(list->string (apply vector->list args)))
|
||||
|
||||
(define (string->vector . args)
|
||||
(list->vector (apply string->list args)))
|
||||
|
||||
(export vector vector->string string->vector)
|
||||
|
||||
;;; 6.9 bytevector
|
||||
|
||||
(define (bytevector->list v start end)
|
||||
(do ((i start (+ i 1))
|
||||
(res '()))
|
||||
((= i end)
|
||||
(reverse res))
|
||||
(set! res (cons (bytevector-u8-ref v i) res))))
|
||||
|
||||
(define (list->bytevector list)
|
||||
(let ((len (length list)))
|
||||
(let ((v (make-bytevector len)))
|
||||
(do ((i 0 (+ i 1))
|
||||
(l list (cdr l)))
|
||||
((= i len)
|
||||
v)
|
||||
(bytevector-u8-set! v i (car l))))))
|
||||
|
||||
(define (bytevector . objs)
|
||||
(list->bytevector objs))
|
||||
|
||||
(define (utf8->string v . opts)
|
||||
(let ((start (if (pair? opts) (car opts) 0))
|
||||
(end (if (>= (length opts) 2)
|
||||
(cadr opts)
|
||||
(bytevector-length v))))
|
||||
(list->string (map integer->char (bytevector->list v start end)))))
|
||||
|
||||
(define (string->utf8 s . opts)
|
||||
(let ((start (if (pair? opts) (car opts) 0))
|
||||
(end (if (>= (length opts) 2)
|
||||
(cadr opts)
|
||||
(string-length s))))
|
||||
(list->bytevector (map char->integer (string->list s start end)))))
|
||||
|
||||
(export bytevector
|
||||
bytevector->list
|
||||
list->bytevector
|
||||
utf8->string
|
||||
string->utf8)
|
||||
|
||||
;;; 6.10 control features
|
||||
|
||||
(define (string-map f . strings)
|
||||
(list->string (apply map f (map string->list strings))))
|
||||
|
||||
(define (string-for-each f . strings)
|
||||
(apply for-each f (map string->list strings)))
|
||||
|
||||
(define (vector-map f . vectors)
|
||||
(list->vector (apply map f (map vector->list vectors))))
|
||||
|
||||
(define (vector-for-each f . vectors)
|
||||
(apply for-each f (map vector->list vectors)))
|
||||
|
||||
(export string-map string-for-each
|
||||
vector-map vector-for-each)
|
||||
|
||||
;;; 6.13. Input and output
|
||||
|
||||
(define (call-with-port port proc)
|
||||
(dynamic-wind
|
||||
(lambda () #f)
|
||||
(lambda () (proc port))
|
||||
(lambda () (close-port port))))
|
||||
|
||||
(export call-with-port)
|
||||
|
||||
;;; syntax-rules
|
||||
(define-library (picrin syntax-rules)
|
||||
(import (scheme base)
|
||||
(picrin macro))
|
||||
|
||||
;;; utility functions
|
||||
(define (reverse* l)
|
||||
;; (reverse* '(a b c d . e)) => (e d c b a)
|
||||
(let loop ((a '())
|
||||
(d l))
|
||||
(if (pair? d)
|
||||
(loop (cons (car d) a) (cdr d))
|
||||
(cons d a))))
|
||||
|
||||
(define (var->sym v)
|
||||
(let loop ((cnt 0)
|
||||
(v v))
|
||||
(if (symbol? v)
|
||||
(string->symbol (string-append (symbol->string v) "/" (number->string cnt)))
|
||||
(loop (+ 1 cnt) (car v)))))
|
||||
|
||||
(define push-var list)
|
||||
|
||||
(define (every? pred l)
|
||||
(if (null? l)
|
||||
#t
|
||||
(and (pred (car l)) (every? pred (cdr l)))))
|
||||
|
||||
(define (flatten l)
|
||||
(cond
|
||||
((null? l) '())
|
||||
((pair? (car l))
|
||||
(append (flatten (car l)) (flatten (cdr l))))
|
||||
(else
|
||||
(cons (car l) (flatten (cdr l))))))
|
||||
|
||||
;;; main function
|
||||
(define-syntax syntax-rules
|
||||
(er-macro-transformer
|
||||
(lambda (form r compare)
|
||||
|
|
@ -653,6 +390,16 @@
|
|||
(define _call/cc (r 'call/cc))
|
||||
(define _er-macro-transformer (r 'er-macro-transformer))
|
||||
|
||||
(define (var->sym v)
|
||||
(let loop ((cnt 0)
|
||||
(v v))
|
||||
(if (symbol? v)
|
||||
(string->symbol
|
||||
(string-append (symbol->string v) "/" (number->string cnt)))
|
||||
(loop (+ 1 cnt) (car v)))))
|
||||
|
||||
(define push-var list)
|
||||
|
||||
(define (compile-match ellipsis literals pattern)
|
||||
(letrec ((compile-match-base
|
||||
(lambda (pattern)
|
||||
|
|
@ -906,68 +653,281 @@
|
|||
|
||||
`(,_syntax-error "malformed syntax-rules"))))))
|
||||
|
||||
(export syntax-rules))
|
||||
(export syntax-rules)
|
||||
|
||||
(import (picrin syntax-rules))
|
||||
(export syntax-rules)
|
||||
(define-syntax guard-aux
|
||||
(syntax-rules (else =>)
|
||||
((guard-aux reraise (else result1 result2 ...))
|
||||
(begin result1 result2 ...))
|
||||
((guard-aux reraise (test => result))
|
||||
(let ((temp test))
|
||||
(if temp
|
||||
(result temp)
|
||||
reraise)))
|
||||
((guard-aux reraise (test => result)
|
||||
clause1 clause2 ...)
|
||||
(let ((temp test))
|
||||
(if temp
|
||||
(result temp)
|
||||
(guard-aux reraise clause1 clause2 ...))))
|
||||
((guard-aux reraise (test))
|
||||
(or test reraise))
|
||||
((guard-aux reraise (test) clause1 clause2 ...)
|
||||
(let ((temp test))
|
||||
(if temp
|
||||
temp
|
||||
(guard-aux reraise clause1 clause2 ...))))
|
||||
((guard-aux reraise (test result1 result2 ...))
|
||||
(if test
|
||||
(begin result1 result2 ...)
|
||||
reraise))
|
||||
((guard-aux reraise
|
||||
(test result1 result2 ...)
|
||||
clause1 clause2 ...)
|
||||
(if test
|
||||
(begin result1 result2 ...)
|
||||
(guard-aux reraise clause1 clause2 ...)))))
|
||||
|
||||
(define-syntax guard-aux
|
||||
(syntax-rules (else =>)
|
||||
((guard-aux reraise (else result1 result2 ...))
|
||||
(begin result1 result2 ...))
|
||||
((guard-aux reraise (test => result))
|
||||
(let ((temp test))
|
||||
(if temp
|
||||
(result temp)
|
||||
reraise)))
|
||||
((guard-aux reraise (test => result)
|
||||
clause1 clause2 ...)
|
||||
(let ((temp test))
|
||||
(if temp
|
||||
(result temp)
|
||||
(guard-aux reraise clause1 clause2 ...))))
|
||||
((guard-aux reraise (test))
|
||||
(or test reraise))
|
||||
((guard-aux reraise (test) clause1 clause2 ...)
|
||||
(let ((temp test))
|
||||
(if temp
|
||||
temp
|
||||
(guard-aux reraise clause1 clause2 ...))))
|
||||
((guard-aux reraise (test result1 result2 ...))
|
||||
(if test
|
||||
(begin result1 result2 ...)
|
||||
reraise))
|
||||
((guard-aux reraise
|
||||
(test result1 result2 ...)
|
||||
clause1 clause2 ...)
|
||||
(if test
|
||||
(begin result1 result2 ...)
|
||||
(guard-aux reraise clause1 clause2 ...)))))
|
||||
(define-syntax guard
|
||||
(syntax-rules ()
|
||||
((guard (var clause ...) e1 e2 ...)
|
||||
((call/cc
|
||||
(lambda (guard-k)
|
||||
(with-exception-handler
|
||||
(lambda (condition)
|
||||
((call/cc
|
||||
(lambda (handler-k)
|
||||
(guard-k
|
||||
(lambda ()
|
||||
(let ((var condition))
|
||||
(guard-aux
|
||||
(handler-k
|
||||
(lambda ()
|
||||
(raise-continuable condition)))
|
||||
clause ...))))))))
|
||||
(lambda ()
|
||||
(call-with-values
|
||||
(lambda () e1 e2 ...)
|
||||
(lambda args
|
||||
(guard-k
|
||||
(lambda ()
|
||||
(apply values args)))))))))))))
|
||||
|
||||
(define-syntax guard
|
||||
(syntax-rules ()
|
||||
((guard (var clause ...) e1 e2 ...)
|
||||
((call/cc
|
||||
(lambda (guard-k)
|
||||
(with-exception-handler
|
||||
(lambda (condition)
|
||||
((call/cc
|
||||
(lambda (handler-k)
|
||||
(guard-k
|
||||
(lambda ()
|
||||
(let ((var condition))
|
||||
(guard-aux
|
||||
(handler-k
|
||||
(lambda ()
|
||||
(raise-continuable condition)))
|
||||
clause ...))))))))
|
||||
(lambda ()
|
||||
(call-with-values
|
||||
(lambda () e1 e2 ...)
|
||||
(lambda args
|
||||
(guard-k
|
||||
(lambda ()
|
||||
(apply values args)))))))))))))
|
||||
(export guard)
|
||||
|
||||
(export guard)
|
||||
(import (picrin parameter))
|
||||
|
||||
(define-syntax parameterize
|
||||
(ir-macro-transformer
|
||||
(lambda (form inject compare)
|
||||
(let ((formal (car (cdr form)))
|
||||
(body (cdr (cdr form))))
|
||||
(let ((vars (map car formal))
|
||||
(vals (map cadr formal)))
|
||||
`(begin
|
||||
,@(map (lambda (var val) `(parameter-push! ,var ,val)) vars vals)
|
||||
(let ((result (begin ,@body)))
|
||||
,@(map (lambda (var) `(parameter-pop! ,var)) vars)
|
||||
result)))))))
|
||||
|
||||
(export parameterize make-parameter)
|
||||
|
||||
;;; Record Type
|
||||
(define-library (picrin record)
|
||||
(import (scheme base)
|
||||
(picrin macro)
|
||||
(picrin record-primitive))
|
||||
|
||||
(define (caddr x) (car (cddr x)))
|
||||
(define (cdddr x) (cdr (cddr x)))
|
||||
(define (cadddr x) (car (cdddr x)))
|
||||
(define (cddddr x) (cdr (cdddr x)))
|
||||
|
||||
(define (make-record-type name)
|
||||
(let ((rectype (make-record #t)))
|
||||
(record-set! rectype #t 'name name)
|
||||
rectype))
|
||||
|
||||
(define-syntax define-record-constructor
|
||||
(ir-macro-transformer
|
||||
(lambda (form inject compare?)
|
||||
(let ((rectype (cadr form))
|
||||
(name (caddr form))
|
||||
(fields (cdddr form)))
|
||||
`(define (,name ,@fields)
|
||||
(let ((record (make-record ,rectype)))
|
||||
,@(map (lambda (field)
|
||||
`(record-set! record ,rectype ',field ,field))
|
||||
fields)
|
||||
record))))))
|
||||
|
||||
(define-syntax define-record-predicate
|
||||
(ir-macro-transformer
|
||||
(lambda (form inject compare?)
|
||||
(let ((rectype (cadr form))
|
||||
(name (caddr form)))
|
||||
`(define (,name obj)
|
||||
(record-of? obj ,rectype))))))
|
||||
|
||||
(define-syntax define-record-field
|
||||
(ir-macro-transformer
|
||||
(lambda (form inject compare?)
|
||||
(let ((rectype (cadr form))
|
||||
(field-name (caddr form))
|
||||
(accessor (cadddr form))
|
||||
(modifier? (cddddr form)))
|
||||
(if (null? modifier?)
|
||||
`(define (,accessor record)
|
||||
(record-ref record ,rectype ',field-name))
|
||||
`(begin
|
||||
(define (,accessor record)
|
||||
(record-ref record ,rectype ',field-name))
|
||||
(define (,(car modifier?) record val)
|
||||
(record-set! record ,rectype ',field-name val))))))))
|
||||
|
||||
(define-syntax define-record-type
|
||||
(ir-macro-transformer
|
||||
(lambda (form inject compare?)
|
||||
(let ((name (cadr form))
|
||||
(constructor (caddr form))
|
||||
(pred (cadddr form))
|
||||
(fields (cddddr form)))
|
||||
`(begin
|
||||
(define ,name (make-record-type ',name))
|
||||
(define-record-constructor ,name ,@constructor)
|
||||
(define-record-predicate ,name ,pred)
|
||||
,@(map (lambda (field) `(define-record-field ,name ,@field))
|
||||
fields))))))
|
||||
|
||||
(export define-record-type))
|
||||
|
||||
(import (picrin record))
|
||||
|
||||
(export define-record-type)
|
||||
|
||||
|
||||
;; 6.6 Characters
|
||||
|
||||
(define-macro (define-char-transitive-predicate name op)
|
||||
`(define (,name . cs)
|
||||
(apply ,op (map char->integer cs))))
|
||||
|
||||
(define-char-transitive-predicate char=? =)
|
||||
(define-char-transitive-predicate char<? <)
|
||||
(define-char-transitive-predicate char>? >)
|
||||
(define-char-transitive-predicate char<=? <=)
|
||||
(define-char-transitive-predicate char>=? >=)
|
||||
|
||||
(export char=?
|
||||
char<?
|
||||
char>?
|
||||
char<=?
|
||||
char>=?)
|
||||
|
||||
;; 6.7 String
|
||||
|
||||
(define (string->list string . opts)
|
||||
(let ((start (if (pair? opts) (car opts) 0))
|
||||
(end (if (>= (length opts) 2)
|
||||
(cadr opts)
|
||||
(string-length string))))
|
||||
(do ((i start (+ i 1))
|
||||
(res '()))
|
||||
((= i end)
|
||||
(reverse res))
|
||||
(set! res (cons (string-ref string i) res)))))
|
||||
|
||||
(define (list->string list)
|
||||
(let ((len (length list)))
|
||||
(let ((v (make-string len)))
|
||||
(do ((i 0 (+ i 1))
|
||||
(l list (cdr l)))
|
||||
((= i len)
|
||||
v)
|
||||
(string-set! v i (car l))))))
|
||||
|
||||
(define (string . objs)
|
||||
(list->string objs))
|
||||
|
||||
(export string string->list list->string)
|
||||
|
||||
;; 6.8. Vector
|
||||
|
||||
(define (vector . objs)
|
||||
(list->vector objs))
|
||||
|
||||
(define (vector->string . args)
|
||||
(list->string (apply vector->list args)))
|
||||
|
||||
(define (string->vector . args)
|
||||
(list->vector (apply string->list args)))
|
||||
|
||||
(export vector vector->string string->vector)
|
||||
|
||||
;; 6.9 bytevector
|
||||
|
||||
(define (bytevector->list v start end)
|
||||
(do ((i start (+ i 1))
|
||||
(res '()))
|
||||
((= i end)
|
||||
(reverse res))
|
||||
(set! res (cons (bytevector-u8-ref v i) res))))
|
||||
|
||||
(define (list->bytevector list)
|
||||
(let ((len (length list)))
|
||||
(let ((v (make-bytevector len)))
|
||||
(do ((i 0 (+ i 1))
|
||||
(l list (cdr l)))
|
||||
((= i len)
|
||||
v)
|
||||
(bytevector-u8-set! v i (car l))))))
|
||||
|
||||
(define (bytevector . objs)
|
||||
(list->bytevector objs))
|
||||
|
||||
(define (utf8->string v . opts)
|
||||
(let ((start (if (pair? opts) (car opts) 0))
|
||||
(end (if (>= (length opts) 2)
|
||||
(cadr opts)
|
||||
(bytevector-length v))))
|
||||
(list->string (map integer->char (bytevector->list v start end)))))
|
||||
|
||||
(define (string->utf8 s . opts)
|
||||
(let ((start (if (pair? opts) (car opts) 0))
|
||||
(end (if (>= (length opts) 2)
|
||||
(cadr opts)
|
||||
(string-length s))))
|
||||
(list->bytevector (map char->integer (string->list s start end)))))
|
||||
|
||||
(export bytevector
|
||||
bytevector->list
|
||||
list->bytevector
|
||||
utf8->string
|
||||
string->utf8)
|
||||
|
||||
;; 6.10 control features
|
||||
|
||||
(define (string-map f . strings)
|
||||
(list->string (apply map f (map string->list strings))))
|
||||
|
||||
(define (string-for-each f . strings)
|
||||
(apply for-each f (map string->list strings)))
|
||||
|
||||
(define (vector-map f . vectors)
|
||||
(list->vector (apply map f (map vector->list vectors))))
|
||||
|
||||
(define (vector-for-each f . vectors)
|
||||
(apply for-each f (map vector->list vectors)))
|
||||
|
||||
(export string-map string-for-each
|
||||
vector-map vector-for-each)
|
||||
|
||||
;; 6.13. Input and output
|
||||
|
||||
(define (call-with-port port proc)
|
||||
(dynamic-wind
|
||||
(lambda () #f)
|
||||
(lambda () (proc port))
|
||||
(lambda () (close-port port))))
|
||||
|
||||
(export call-with-port))
|
||||
Loading…
Reference in New Issue