107 lines
3.0 KiB
Scheme
107 lines
3.0 KiB
Scheme
(c-declare "#include <stdint.h>")
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(define pffi-init (lambda () #t))
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#|
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(define pffi-type->native-type
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(lambda (type)
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(cond ((equal? type 'int8) int8)
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((equal? type 'uint8) unsigned-int8)
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((equal? type 'int16) int16)
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((equal? type 'uint16) unsigned-int16)
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((equal? type 'int32) int32)
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((equal? type 'uint32) unsigned-int32)
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((equal? type 'int64) int64)
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((equal? type 'uint64) unsigned-int64)
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((equal? type 'char) char)
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((equal? type 'unsigned-char) unsigned-char)
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((equal? type 'short) short)
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((equal? type 'unsigned-short) unsigned-short)
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((equal? type 'int) int)
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((equal? type 'unsigned-int) unsigned-int)
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((equal? type 'long) long)
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((equal? type 'unsigned-long) unsigned-long)
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((equal? type 'float) float)
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((equal? type 'double) double)
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((equal? type 'pointer) pointer)
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((equal? type 'void) void)
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((equal? type 'callback) pointer)
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(else (error "pffi-type->native-type -- No such pffi type" type)))))
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(define pffi-pointer?
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(lambda (object)
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(error "Not defined")))
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#;(define-syntax pffi-define
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(syntax-rules ()
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((_ scheme-name shared-object c-name return-type argument-types)
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(define scheme-name
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#f
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#;(c-lambda argument-types return-type c-name)
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))))
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(define pffi-define-callback
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(lambda (scheme-name shared-object c-name return-type argument-types)
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(error "Not defined")))
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;(c-declare "int size_of_int8() { return sizeof(int8_t);}")
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;(define size-of-int8 (c-lambda () int "__return(sizeof(int8_t));"))
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;(define int8-size ((c-lambda () int "__return(sizeof(int8_t));")))
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;(define int8-size (c-lambda () int "__return(1);"))
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|#
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(define pffi-size-of
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(lambda (type)
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(cond ((equal? type 'int8) (c-lambda () int "___return(sizeof(int8_t));"))
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(else (error "pffi-size-of -- No such pffi type" type)))))
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#|
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#;(define-syntax pffi-pointer-allocate
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(syntax-rules
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((pffi-pointer-allocate size)
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(c-declare (string-append "malloc(" (number->string size) ")")))))
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#;(define-syntax pffi-pointer-null
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(syntax-rules
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((pffi-pointer-null)
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(c-declare "NULL"))))
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(define pffi-string->pointer
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(lambda (string-content)
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string-content))
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(define pffi-pointer->string
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(lambda (pointer)
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pointer))
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#;(define-syntax pffi-shared-object-load
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(syntax-rules ()
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((pffi-shared-object-load headers)
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(c-declare (apply string-append
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(map (lambda (header)
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(string-append "#include <" header ">"))))))))
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(define pffi-pointer-free
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(lambda (pointer)
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(error "Not defined")))
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(define pffi-pointer-null?
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(lambda (pointer)
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(error "Not defined")))
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(define pffi-pointer-set!
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(lambda (pointer type offset value)
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(let ((p pointer))
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(error "Not defined"))))
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(define pffi-pointer-get
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(lambda (pointer type offset)
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(error "Not defined")))
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(define pffi-pointer-deref
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(lambda (pointer)
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(error "Not defined")))
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|#
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