R7RS

BiwaScheme supports basic feature of R7RS, but currently not all. Unimplemented features are marked with [TODO].

4.1 Primitive expression types................ 12

variable reference
quote
procedure call
lambda
if
set!
[TODO]include include-ci

4.2 Derived expression types................. 14

cond case and or when unless
[TODO]cond-expand
let let* letrec letrec* let-values
begin
do named let
delay, delay-force, force, promise?, make-promise
make-paremeter, parameterize
[TODO]guard
quasiquote
case-lambda

4.3 Macros........................... 21

[TODO]let-syntax, letrec-syntax, syntax-rules, syntax-error

5 Programstructure........................ 25

5.2 Import declarations.................... 25

[TODO]import

5.3 Variabledefinitions.................... 25

define

5.4 Syntaxdefinitions .................... 26

[TODO]define-values, define-syntax

5.5 Record-typedefinitions.................. 27

[TODO]define-record-type (is it a subset of R6RS records?)

5.6 Libraries.......................... 28

[TODO]define-library

6 Standardprocedures ...................... 30

6.1 Equivalencepredicates.................. 30

eqv? eq? equal?

6.2 Numbers.......................... 32

(number/complex/real/rational/integer)
[TODO] exact? inexact? exact-integer? exact inexact
[TODO] #e, #i
number? complex? real? rational? integer?
finite? infinite? nan? = < > <= >=
zero? positive? negative? odd? even?
max min + * - / abs
floor/ floor-quotient floor-remainder
truncate/ truncate-quotient truncate-remainder
quotient remainder modulo
[TODO] gcd lcm numerator denominator
floor ceiling truncate round
[TODO] rationalize
exp log sin cos tan asin acos atan
[TODO] square
sqrt expt
[TODO] exact-integer-sqrt
make-rectangular make-polar real-part imag-part magnitude angle
number->string string->number

6.3 Booleans.......................... 40

not boolean? boolean=

6.4 Pairsandlists....................... 40

pair? cons car cdr set-car! set-cdr!
caar ... cddddr
null? list? make-list list length append
reverse list-tail list-ref list-set!
memq memv member assq assv assoc
list-copy

6.5 Symbols.......................... 43

symbol? symbol=? symbol->string string->symbol

6.6 Characters......................... 44

#\alarm, etc
char? char=? char<? char>? char<=? char>=?
char-ci=? char-ci<? char-ci>? char-ci<=? char-ci>=?
[TODO] char-alphabetic? etc.
[TODO] digit-value
char->integer integer->char
[TODO] char-upcase char-downcase char-foldcase

6.7 Strings........................... 45

string? make-string string string-length string-ref string-set!
string=? string-ci=?, etc.
string-upcase string-downcase
[TODO] string-foldcase
substring string-append string->list list->string string-copy
[TODO] string-copy! string-fill!

6.8 Vectors .......................... 48

vector? make-vector vector vector-length vector-ref
vector-set! vector->list list->vector
vector->string string->vector vector-copy
[TODO] vector-copy!
vector-append vector-fill!

6.9 Bytevectors ........................ 49

[TODO] bytevector? make-bytevector bytevector bytevector-length bytevector-u8-ref bytevector-u8-set! bytevector-copy bytevector-copy! bytevector-append utf8->string string->utf8

6.10 Control features...................... 50

procedure? apply map string-map vector-map
for-each string-for-each vector-for-each
call/cc call-with-current-continuation
values call-with-values
dynamic-wind

6.11 Exceptions ........................ 54

[TODO] with-exception-handler raise-continuable error error-object? error-object-message error-object-irritants read-error? file-error?
raise

6.12 Environments and evaluation .............. 55

[TODO] environment scheme-report-environment null-environment interaction-environment
eval

6.13 Input and output..................... 55

call-with-port
[TODO] call-with-input-file call-with-output-file
port? input-port? output-port? textual-port? binary-port?
[TODO] input-port-open? output-port-open?
current-input-port current-output-port current-error-port
[TODO] with-input-from-file with-output-to-file
[TODO] open-input-file open-binary-input-file open-output-file open-binary-output-file
close-port close-input-port close-output-port
open-input-string open-output-string get-output-string
[TODO] open-input-bytevector open-output-bytevector get-output-bytevector
read
[TODO] read-char peek-char read-line
eof-object? eof-object
[TODO] char-ready?
[TODO] read-string read-u8 peek-u8 u8-ready? read-bytevector read-bytevector!
write
[TODO] write-shared write-simple
display newline write-char
[TODO] write-string write-u8 write-bytevector flush-output-port

6.14 System interface ..................... 59

load
file-exists? delete-file command-line `exit
[TODO] emergency-exit
[TODO] get-environment-variable get-environment-variables
[TODO] current-second current-jiffy jiffies-per-second
[TODO] features