foreign-c/tests/struct.scm

105 lines
2.5 KiB
Scheme

(import (scheme base)
(scheme write)
(scheme read)
(scheme char)
(scheme file)
(scheme process-context)
(foreign c))
;; util
(define header-count 1)
(define print-header
(lambda (title)
(set-tag title)
(display "=========================================")
(newline)
(display header-count)
(display " ")
(display title)
(newline)
(display "=========================================")
(newline)
(set! header-count (+ header-count 1))))
(define count 0)
(define assert-tag 'none)
(define set-tag
(lambda (tag)
(set! assert-tag tag)
(set! count 0)))
(cond-expand
(gambit
(define assert
(lambda (check value-a value-b)
(let ((result (apply check (list value-a value-b))))
(set! count (+ count 1))
(if (not result) (display "FAIL ") (display "PASS "))
(display "[")
(display assert-tag)
(display " - ")
(display count)
(display "]")
(display ": ")
(write (list 'check 'value-a 'value-b))
(newline)
(when (not result) (exit 1))))))
(else
(define-syntax assert
(syntax-rules ()
((_ check value-a value-b)
(let ((result (apply check (list value-a value-b))))
(set! count (+ count 1))
(if (not result) (display "FAIL ") (display "PASS "))
(display "[")
(display assert-tag)
(display " - ")
(display count)
(display "]")
(display ": ")
(write (list 'check 'value-a 'value-b))
(newline)
(when (not result) (exit 1))))))))
(define-syntax debug
(syntax-rules ()
((_ value)
(begin
(display 'value)
(display ": ")
(write value)
(newline)))))
;; define-c-struct
(define-c-struct s
s-members
(make-c-null)
(field1 'int t-struct:field1 t-struct:field1!)
(field2 'int t-struct:field2 t-struct:field2!)
(field3 'pointer t-struct:field3 t-struct:field3!)
(field4 'int t-struct:field4 t-struct:field4!))
(t-struct:field1! s 1)
(t-struct:field2! s 2)
(t-struct:field3! s (make-c-bytevector 32))
(t-struct:field4! s 4)
(write s)
(newline)
(write s-members)
(newline)
(write (t-struct:field1 s))
(newline)
(write (t-struct:field2 s))
(newline)
(write (t-struct:field3 s))
(newline)
(write (t-struct:field4 s))
(newline)
(write (c-struct->alist s s-members))
(newline)