femtolisp/femtolisp/aliases.scm

; definitions of standard scheme procedures in terms of
; femtolisp procedures

(define top-level-bound? bound?)

(define vector-ref aref)
(define vector-set! aset!)
(define vector-length length)
(define make-vector vector.alloc)

(define array-ref! aref)
(define (array-set! a obj i0 . idxs)
  (if (null? idxs)
      (aset! a i0 obj)
      (error "array-set!: multiple dimensions not yet implemented")))

(define (array-dimensions a)
  (list (length a)))

(define (complex? x) #f)
(define (real? x) (number? x))
(define (rational? x) (integer? x))
(define (exact? x) (integer? x))
(define (inexact? x) (not (exact? x)))
(define quotient div0)

(define (char->integer c) (fixnum c))
(define (integer->char i) (wchar i))
(define char-upcase char.upcase)
(define char-downcase char.downcase)
(define char=? =)
(define char<? <)
(define char>? >)
(define char<=? <=)
(define char>=? >=)

(define string=? =)
(define string<? <)
(define string>? >)
(define string<=? <=)
(define string>=? >=)
(define string-copy copy)
(define string-append string)
(define string-length string.count)
(define string->symbol symbol)
(define (symbol->string s) (string s))

(define (string-ref s i)
  (string.char s (string.inc s 0 i)))