180 lines
7.8 KiB
Scheme
180 lines
7.8 KiB
Scheme
(define-library
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(foreign c primitives-gauche)
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(import (scheme base)
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(scheme write)
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(scheme char)
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(scheme file)
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(scheme inexact)
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(scheme process-context)
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(gauche base))
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(export size-of-type
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shared-object-load
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c-bytevector-u8-set!
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c-bytevector-u8-ref
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c-bytevector-pointer-set!
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c-bytevector-pointer-ref
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;pointer-null
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pointer-null?
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;make-c-bytevector
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;pointer-address
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c-bytevector?
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c-free
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;pointer-set!
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;pointer-get
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;define-c-procedure
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define-c-callback
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dlerror
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dlsym
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internal-ffi-call))
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;(select-module primitives.gauche)
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(dynamic-load "foreign/c/gauche-primitives")
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(define size-of-type
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(lambda (type)
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(cond ((equal? type 'int8) (size-of-int8))
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((equal? type 'uint8) (size-of-uint8))
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((equal? type 'int16) (size-of-int16))
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((equal? type 'uint16) (size-of-uint16))
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((equal? type 'int32) (size-of-int32))
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((equal? type 'uint32) (size-of-uint32))
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((equal? type 'int64) (size-of-int64))
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((equal? type 'uint64) (size-of-uint64))
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((equal? type 'char) (size-of-char))
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((equal? type 'unsigned-char) (size-of-unsigned-char))
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((equal? type 'short) (size-of-short))
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((equal? type 'unsigned-short) (size-of-unsigned-short))
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((equal? type 'int) (size-of-int))
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((equal? type 'unsigned-int) (size-of-unsigned-int))
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((equal? type 'long) (size-of-long))
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((equal? type 'unsigned-long) (size-of-unsigned-long))
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((equal? type 'float) (size-of-float))
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((equal? type 'double) (size-of-double))
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((equal? type 'string) (size-of-string))
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((equal? type 'pointer) (size-of-pointer))
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((equal? type 'void) (size-of-void)))))
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(define align-of-type
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(lambda (type)
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(cond ((equal? type 'int8) (align-of-int8))
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((equal? type 'uint8) (align-of-uint8))
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((equal? type 'int16) (align-of-int16))
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((equal? type 'uint16) (align-of-uint16))
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((equal? type 'int32) (align-of-int32))
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((equal? type 'uint32) (align-of-uint32))
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((equal? type 'int64) (align-of-int64))
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((equal? type 'uint64) (align-of-uint64))
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((equal? type 'char) (align-of-char))
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((equal? type 'unsigned-char) (align-of-unsigned-char))
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((equal? type 'short) (align-of-short))
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((equal? type 'unsigned-short) (align-of-unsigned-short))
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((equal? type 'int) (align-of-int))
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((equal? type 'unsigned-int) (align-of-unsigned-int))
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((equal? type 'long) (align-of-long))
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((equal? type 'unsigned-long) (align-of-unsigned-long))
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((equal? type 'float) (align-of-float))
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((equal? type 'double) (align-of-double))
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((equal? type 'string) (align-of-string))
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((equal? type 'pointer) (align-of-pointer))
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((equal? type 'void) (align-of-void)))))
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#;(define shared-object-load
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(lambda (path options)
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(shared-object-load path)))
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#;(define make-c-bytevector
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(lambda (size)
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(pointer-allocate size)))
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(define c-bytevector?
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(lambda (pointer)
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(pointer? pointer)))
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#;(define c-free
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(lambda (pointer)
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(pointer-free pointer)))
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(define c-bytevector-u8-set! pointer-set-uint8!)
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(define c-bytevector-u8-ref pointer-get-uint8)
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(define c-bytevector-pointer-set! pointer-set-pointer!)
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(define c-bytevector-pointer-ref pointer-get-pointer)
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#;(define pointer-set!
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(lambda (pointer type offset value)
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(cond ((equal? type 'int8) (pointer-set-int8! pointer offset value))
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((equal? type 'uint8) (pointer-set-uint8! pointer offset value))
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((equal? type 'int16) (pointer-set-int16! pointer offset value))
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((equal? type 'uint16) (pointer-set-uint16! pointer offset value))
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((equal? type 'int32) (pointer-set-int32! pointer offset value))
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((equal? type 'uint32) (pointer-set-uint32! pointer offset value))
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((equal? type 'int64) (pointer-set-int64! pointer offset value))
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((equal? type 'uint64) (pointer-set-uint64! pointer offset value))
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((equal? type 'char) (pointer-set-char! pointer offset value))
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((equal? type 'short) (pointer-set-short! pointer offset value))
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((equal? type 'unsigned-short) (pointer-set-unsigned-short! pointer offset value))
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((equal? type 'int) (pointer-set-int! pointer offset value))
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((equal? type 'unsigned-int) (pointer-set-unsigned-int! pointer offset value))
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((equal? type 'long) (pointer-set-long! pointer offset value))
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((equal? type 'unsigned-long) (pointer-set-unsigned-long! pointer offset value))
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((equal? type 'float) (pointer-set-float! pointer offset value))
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((equal? type 'double) (pointer-set-double! pointer offset value))
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((equal? type 'void) (pointer-set-pointer! pointer offset value))
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((equal? type 'pointer) (pointer-set-pointer! pointer offset value)))))
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#;(define pointer-get
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(lambda (pointer type offset)
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(cond ((equal? type 'int8) (pointer-get-int8 pointer offset))
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((equal? type 'uint8) (pointer-get-uint8 pointer offset))
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((equal? type 'int16) (pointer-get-int16 pointer offset))
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((equal? type 'uint16) (pointer-get-uint16 pointer offset))
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((equal? type 'int32) (pointer-get-int32 pointer offset))
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((equal? type 'uint32) (pointer-get-uint32 pointer offset))
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((equal? type 'int64) (pointer-get-int64 pointer offset))
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((equal? type 'uint64) (pointer-get-uint64 pointer offset))
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((equal? type 'char) (integer->char (pointer-get-char pointer offset)))
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((equal? type 'short) (pointer-get-short pointer offset))
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((equal? type 'unsigned-short) (pointer-get-unsigned-short pointer offset))
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((equal? type 'int) (pointer-get-int pointer offset))
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((equal? type 'unsigned-int) (pointer-get-unsigned-int pointer offset))
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((equal? type 'long) (pointer-get-long pointer offset))
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((equal? type 'unsigned-long) (pointer-get-unsigned-long pointer offset))
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((equal? type 'float) (pointer-get-float pointer offset))
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((equal? type 'double) (pointer-get-double pointer offset))
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((equal? type 'void) (pointer-get-pointer pointer offset))
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((equal? type 'pointer) (pointer-get-pointer pointer offset)))))
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#;(define type->libffi-type
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(lambda (type)
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(cond ((equal? type 'int8) (get-ffi-type-int8))
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((equal? type 'uint8) (get-ffi-type-uint8))
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((equal? type 'int16) (get-ffi-type-int16))
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((equal? type 'uint16) (get-ffi-type-uint16))
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((equal? type 'int32) (get-ffi-type-int32))
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((equal? type 'uint32) (get-ffi-type-uint32))
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((equal? type 'int64) (get-ffi-type-int64))
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((equal? type 'uint64) (get-ffi-type-uint64))
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((equal? type 'char) (get-ffi-type-char))
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((equal? type 'unsigned-char) (get-ffi-type-uchar))
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((equal? type 'bool) (get-ffi-type-int8))
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((equal? type 'short) (get-ffi-type-short))
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((equal? type 'unsigned-short) (get-ffi-type-ushort))
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((equal? type 'int) (get-ffi-type-int))
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((equal? type 'unsigned-int) (get-ffi-type-uint))
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((equal? type 'long) (get-ffi-type-long))
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((equal? type 'unsigned-long) (get-ffi-type-ulong))
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((equal? type 'float) (get-ffi-type-float))
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((equal? type 'double) (get-ffi-type-double))
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((equal? type 'void) (get-ffi-type-void))
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((equal? type 'pointer) (get-ffi-type-pointer))
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((equal? type 'callback) (get-ffi-type-pointer)))))
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(define make-c-callback
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(lambda (return-type argument-types procedure)
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(scheme-procedure-to-pointer procedure)))
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(define-syntax define-c-callback
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(syntax-rules ()
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((_ scheme-name return-type argument-types procedure)
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(define scheme-name
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(make-c-callback return-type 'argument-types procedure)))))
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