189 lines
9.1 KiB
Scheme
189 lines
9.1 KiB
Scheme
(define size-of-type
|
|
(lambda (type)
|
|
(cond ((eq? type 'int8) (c-sizeof int8_t))
|
|
((eq? type 'uint8) (c-sizeof uint8_t))
|
|
((eq? type 'int16) (c-sizeof int16_t))
|
|
((eq? type 'uint16) (c-sizeof uint16_t))
|
|
((eq? type 'int32) (c-sizeof int32_t))
|
|
((eq? type 'uint32) (c-sizeof uint32_t))
|
|
((eq? type 'int64) (c-sizeof int64_t))
|
|
((eq? type 'uint64) (c-sizeof uint64_t))
|
|
((eq? type 'char) (c-sizeof char))
|
|
((eq? type 'unsigned-char) (c-sizeof char))
|
|
((eq? type 'short) (c-sizeof short))
|
|
((eq? type 'unsigned-short) (c-sizeof unsigned-short))
|
|
((eq? type 'int) (c-sizeof int))
|
|
((eq? type 'unsigned-int) (c-sizeof unsigned-int))
|
|
((eq? type 'long) (c-sizeof long))
|
|
((eq? type 'unsigned-long) (c-sizeof unsigned-long))
|
|
((eq? type 'float) (c-sizeof float))
|
|
((eq? type 'double) (c-sizeof double))
|
|
((eq? type 'pointer) (c-sizeof void*))
|
|
((eq? type 'struct) (c-sizeof void*))
|
|
((eq? type 'callback) (c-sizeof void*))
|
|
((eq? type 'void) 0)
|
|
(else #f))))
|
|
|
|
(define c-bytevector?
|
|
(lambda (object)
|
|
(number? object)))
|
|
|
|
(define c-bytevector-u8-set!
|
|
(lambda (c-bytevector k byte)
|
|
(bytevector-c-int8-set! (make-bytevector-mapping (+ c-bytevector k)
|
|
(c-type-size 'uint8))
|
|
0
|
|
byte)))
|
|
|
|
(define c-bytevector-u8-ref
|
|
(lambda (c-bytevector k)
|
|
(bytevector-c-int8-ref (make-bytevector-mapping (+ c-bytevector k)
|
|
(c-type-size 'uint8))
|
|
0)))
|
|
(define c-bytevector-pointer-set!
|
|
(lambda (c-bytevector k pointer)
|
|
(let ((bv (make-bytevector-mapping (+ c-bytevector k) (c-type-size 'pointer))))
|
|
(bytevector-c-void*-set! bv 0 pointer))))
|
|
(define c-bytevector-pointer-ref
|
|
(lambda (c-bytevector k)
|
|
(let ((bv (make-bytevector-mapping (+ c-bytevector k) (c-type-size 'pointer))))
|
|
(bytevector-c-void*-ref bv 0))))
|
|
|
|
#;(define pointer-set!
|
|
(lambda (pointer type offset value)
|
|
(let ((bv (make-bytevector-mapping (+ pointer offset) (c-type-size type))))
|
|
(cond ((equal? type 'int8) (bytevector-c-int8-set! bv 0 value))
|
|
((equal? type 'uint8) (bytevector-c-int8-set! bv 0 value))
|
|
((equal? type 'int16) (bytevector-c-int16-set! bv 0 value))
|
|
((equal? type 'uint16) (bytevector-c-int16-set! bv 0 value))
|
|
((equal? type 'int32) (bytevector-c-int32-set! bv 0 value))
|
|
((equal? type 'uint32) (bytevector-c-int32-set! bv 0 value))
|
|
((equal? type 'int64) (bytevector-c-int64-set! bv 0 value))
|
|
((equal? type 'uint64) (bytevector-c-int64-set! bv 0 value))
|
|
((equal? type 'char) (bytevector-c-int8-set! bv 0 (char->integer value)))
|
|
((equal? type 'short) (bytevector-c-short-set! bv 0 value))
|
|
((equal? type 'unsigned-short) (bytevector-c-short-set! bv 0 value))
|
|
((equal? type 'int) (bytevector-c-int-set! bv 0 value))
|
|
((equal? type 'unsigned-int) (bytevector-c-int-set! bv 0 value))
|
|
((equal? type 'long) (bytevector-c-long-set! bv 0 value))
|
|
((equal? type 'unsigned-long) (bytevector-c-long-set! bv 0 value))
|
|
((equal? type 'float) (bytevector-c-float-set! bv 0 value))
|
|
((equal? type 'double) (bytevector-c-double-set! bv 0 value))
|
|
((equal? type 'void) (bytevector-c-void*-set! bv 0 value))
|
|
((equal? type 'pointer) (bytevector-c-void*-set! bv 0 value))))))
|
|
|
|
#;(define pointer-get
|
|
(lambda (pointer type offset)
|
|
(let ((bv (make-bytevector-mapping (+ pointer offset) (c-type-size type))))
|
|
(cond ((equal? type 'int8) (bytevector-c-int8-ref bv 0))
|
|
((equal? type 'uint8) (bytevector-c-uint8-ref bv 0))
|
|
((equal? type 'int16) (bytevector-c-int16-ref bv 0))
|
|
((equal? type 'uint16) (bytevector-c-uint16-ref bv 0))
|
|
((equal? type 'int32) (bytevector-c-int32-ref bv 0))
|
|
((equal? type 'uint32) (bytevector-c-uint32-ref bv 0))
|
|
((equal? type 'int64) (bytevector-c-int64-ref bv 0))
|
|
((equal? type 'uint64) (bytevector-c-uint64-ref bv 0))
|
|
((equal? type 'char) (integer->char (bytevector-c-uint8-ref bv 0)))
|
|
((equal? type 'short) (bytevector-c-short-ref bv 0))
|
|
((equal? type 'unsigned-short) (bytevector-c-unsigned-short-ref bv 0))
|
|
((equal? type 'int) (bytevector-c-int-ref bv 0))
|
|
((equal? type 'unsigned-int) (bytevector-c-unsigned-int-ref bv 0))
|
|
((equal? type 'long) (bytevector-c-long-ref bv 0))
|
|
((equal? type 'unsigned-long) (bytevector-c-unsigned-long-ref bv 0))
|
|
((equal? type 'float) (bytevector-c-float-ref bv 0))
|
|
((equal? type 'double) (bytevector-c-double-ref bv 0))
|
|
((equal? type 'void) (bytevector-c-void*-ref bv 0))
|
|
((equal? type 'pointer) (bytevector-c-void*-ref bv 0))))))
|
|
|
|
(define shared-object-load
|
|
(lambda (path options)
|
|
(load-shared-object path)))
|
|
|
|
#;(define-macro
|
|
(type->native-type type)
|
|
`(cond ((equal? ,type 'int8) 'int8_t)
|
|
((equal? ,type 'uint8) 'uint8_t)
|
|
;((equal? ,type 'int16) 'int16_t)
|
|
;((equal? ,type 'uint16) 'uint16_t)
|
|
;((equal? ,type 'int32) 'int32_t)
|
|
;((equal? ,type 'uint32) 'uint32_t)
|
|
;((equal? ,type 'int64) 'int64_t)
|
|
;((equal? ,type 'uint64) 'uint64_t)
|
|
;((equal? ,type 'char) 'char)
|
|
;((equal? ,type 'unsigned-char) 'char)
|
|
;((equal? ,type 'short) 'short)
|
|
;((equal? ,type 'unsigned-short) 'unsigned-short)
|
|
((equal? ,type 'int) 'int)
|
|
;((equal? ,type 'unsigned-int) 'unsigned-int)
|
|
;((equal? ,type 'long) 'long)
|
|
;((equal? ,type 'unsigned-long) 'unsigned-long)
|
|
;((equal? ,type 'float) 'float)
|
|
;((equal? ,type 'double) 'double)
|
|
((equal? ,type 'pointer) 'void*)
|
|
((equal? ,type 'void) 'void)
|
|
;((equal? ,type 'callback) 'void*)
|
|
(else (error "type->native-type -- No such type" ,type))))
|
|
|
|
(define-macro
|
|
(define-c-procedure scheme-name shared-object c-name return-type argument-types)
|
|
(begin
|
|
(let ((type->native-type
|
|
(lambda (type)
|
|
(cond ((equal? type 'int8) 'int8_t)
|
|
((equal? type 'uint8) 'uint8_t)
|
|
((equal? type 'int16) 'int16_t)
|
|
((equal? type 'uint16) 'uint16_t)
|
|
((equal? type 'int32) 'int32_t)
|
|
((equal? type 'uint32) 'uint32_t)
|
|
((equal? type 'int64) 'int64_t)
|
|
((equal? type 'uint64) 'uint64_t)
|
|
((equal? type 'char) 'char)
|
|
((equal? type 'unsigned-char) 'char)
|
|
((equal? type 'short) 'short)
|
|
((equal? type 'unsigned-short) 'unsigned-short)
|
|
((equal? type 'int) 'int)
|
|
((equal? type 'unsigned-int) 'unsigned-int)
|
|
((equal? type 'long) 'long)
|
|
((equal? type 'unsigned-long) 'unsigned-long)
|
|
((equal? type 'float) 'float)
|
|
((equal? type 'double) 'double)
|
|
((equal? type 'pointer) 'void*)
|
|
((equal? type 'void) 'void)
|
|
((equal? type 'callback) 'void*)
|
|
(else (error "type->native-type -- No such type" type))))))
|
|
`(define ,scheme-name
|
|
(c-function ,(type->native-type (cadr return-type))
|
|
,(cadr c-name)
|
|
,(map type->native-type (cadr argument-types)))))))
|
|
|
|
(define-macro
|
|
(define-c-callback scheme-name return-type argument-types procedure)
|
|
(let* ((type->native-type
|
|
(lambda (type)
|
|
(cond ((equal? type 'int8) 'int8_t)
|
|
((equal? type 'uint8) 'uint8_t)
|
|
((equal? type 'int16) 'int16_t)
|
|
((equal? type 'uint16) 'uint16_t)
|
|
((equal? type 'int32) 'int32_t)
|
|
((equal? type 'uint32) 'uint32_t)
|
|
((equal? type 'int64) 'int64_t)
|
|
((equal? type 'uint64) 'uint64_t)
|
|
((equal? type 'char) 'char)
|
|
((equal? type 'unsigned-char) 'char)
|
|
((equal? type 'short) 'short)
|
|
((equal? type 'unsigned-short) 'unsigned-short)
|
|
((equal? type 'int) 'int)
|
|
((equal? type 'unsigned-int) 'unsigned-int)
|
|
((equal? type 'long) 'long)
|
|
((equal? type 'unsigned-long) 'unsigned-long)
|
|
((equal? type 'float) 'float)
|
|
((equal? type 'double) 'double)
|
|
((equal? type 'pointer) 'void*)
|
|
((equal? type 'void) 'void)
|
|
((equal? type 'callback) 'void*)
|
|
(else (error "type->native-type -- No such type" type)))))
|
|
(native-return-type (type->native-type (cadr return-type)))
|
|
(native-argument-types (map type->native-type (cadr argument-types))))
|
|
`(define ,scheme-name
|
|
(c-callback ,native-return-type ,native-argument-types ,procedure))))
|