372 lines
18 KiB
Scheme
372 lines
18 KiB
Scheme
(define pffi-type->native-type
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(lambda (type)
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(cond ((equal? type 'int8) int)
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((equal? type 'uint8) int)
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((equal? type 'int16) int)
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((equal? type 'uint16) int)
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((equal? type 'int32) int)
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((equal? type 'uint32) int)
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((equal? type 'int64) int)
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((equal? type 'uint64) int)
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((equal? type 'char) char)
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((equal? type 'unsigned-char) char)
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((equal? type 'short) int)
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((equal? type 'unsigned-short) int)
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((equal? type 'int) int)
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((equal? type 'unsigned-int) int)
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((equal? type 'long) int)
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((equal? type 'unsigned-long) int)
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((equal? type 'float) float)
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((equal? type 'double) double)
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((equal? type 'pointer) opaque)
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((equal? type 'void) c-void)
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((equal? type 'struct) 'c-pointer)
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(else (error "pffi-type->native-type -- No such pffi type" type)))))
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(define c-bytevector?
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(lambda (object)
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(opaque? object)))
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(define-syntax define-c-procedure
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(er-macro-transformer
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(lambda (expr rename compare)
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(let* ((pffi-type->native-type
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(lambda (type)
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(cond ((equal? type 'int8) 'int)
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((equal? type 'uint8) 'int)
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((equal? type 'int16) 'int)
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((equal? type 'uint16) 'int)
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((equal? type 'int32) 'int)
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((equal? type 'uint32) 'int)
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((equal? type 'int64) 'int)
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((equal? type 'uint64) 'int)
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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) 'opaque)
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((equal? type 'void) 'c-void)
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(else (error "pffi-type->native-type -- No such pffi type" type)))))
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(scheme-name (cadr expr))
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(c-name (symbol->string (car (cdr (car (cdr (cdr (cdr expr))))))))
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(return-type (pffi-type->native-type (car (cdr (car (cdr (cdr (cdr (cdr expr)))))))))
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(argument-types
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(let ((types (cadr (car (cdr (cdr (cdr (cdr (cdr expr)))))))))
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(if (null? types)
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'()
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(map pffi-type->native-type types)))))
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(if (null? argument-types)
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`(c-define ,scheme-name ,return-type ,c-name)
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`(c-define ,scheme-name
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,return-type ,c-name ,@argument-types))))))
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(define pffi-define-callback
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(lambda (scheme-name return-type argument-types procedure)
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(error "pffi-define-callback not yet implemented on Cyclone")))
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(define size-of-type
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(lambda (type)
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(cond ((equal? type 'int8) (c-value "sizeof(int8_t)" int))
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((equal? type 'uint8) (c-value "sizeof(uint8_t)" int))
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((equal? type 'int16) (c-value "sizeof(int16_t)" int))
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((equal? type 'uint16) (c-value "sizeof(uint16_t)" int))
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((equal? type 'int32) (c-value "sizeof(int32_t)" int))
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((equal? type 'uint32) (c-value "sizeof(uint32_t)" int))
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((equal? type 'int64) (c-value "sizeof(int64_t)" int))
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((equal? type 'uint64) (c-value "sizeof(uint64_t)" int))
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((equal? type 'char) (c-value "sizeof(char)" int))
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((equal? type 'unsigned-char) (c-value "sizeof(unsigned char)" int))
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((equal? type 'short) (c-value "sizeof(short)" int))
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((equal? type 'unsigned-short) (c-value "sizeof(unsigned short)" int))
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((equal? type 'int) (c-value "sizeof(int)" int))
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((equal? type 'unsigned-int) (c-value "sizeof(unsigned int)" int))
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((equal? type 'long) (c-value "sizeof(long)" int))
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((equal? type 'unsigned-long) (c-value "sizeof(unsigned long)" int))
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((equal? type 'float) (c-value "sizeof(float)" int))
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((equal? type 'double) (c-value "sizeof(double)" int))
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((equal? type 'pointer) (c-value "sizeof(void*)" int)))))
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(define-c pffi-pointer-address
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"(void *data, int argc, closure _, object k, object pointer)"
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"make_c_opaque(opq, &(void*)opaque_ptr(pointer));
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return_closcall1(data, k, &opq);")
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(define pffi-pointer-null
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(lambda ()
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(make-opaque)))
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(define-syntax define-c-library
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(syntax-rules ()
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((_ scheme-name headers object-name options)
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(begin
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(define scheme-name #t)
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(pffi-shared-object-load headers)))))
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(define-syntax pffi-shared-object-load
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(er-macro-transformer
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(lambda (expr rename compare)
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(let* ((headers (cadr (cadr expr)))
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(includes (map
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(lambda (header)
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`(include-c-header ,(string-append "<" header ">")))
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headers)))
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`(,@includes)))))
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(define pffi-pointer-null?
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(lambda (pointer)
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(and (opaque? pointer)
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(opaque-null? pointer))))
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(define-c pffi-pointer-int8-set!
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"(void *data, int argc, closure _, object k, object pointer, object offset, object value)"
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"int8_t* p = opaque_ptr(pointer) + obj_obj2int(offset);
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*p = obj_obj2int(value);
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return_closcall1(data, k, make_boolean(boolean_t));")
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(define-c pffi-pointer-uint8-set!
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"(void *data, int argc, closure _, object k, object pointer, object offset, object value)"
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"uint8_t* p = opaque_ptr(pointer) + obj_obj2int(offset);
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*p = obj_obj2int(value);
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return_closcall1(data, k, make_boolean(boolean_t));")
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(define-c pffi-pointer-int16-set!
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"(void *data, int argc, closure _, object k, object pointer, object offset, object value)"
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"int16_t* p = opaque_ptr(pointer) + obj_obj2int(offset);
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*p = obj_obj2int(value);
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return_closcall1(data, k, make_boolean(boolean_t));")
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(define-c pffi-pointer-uint16-set!
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"(void *data, int argc, closure _, object k, object pointer, object offset, object value)"
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"uint16_t* p = opaque_ptr(pointer) + obj_obj2int(offset);
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*p = obj_obj2int(value);
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return_closcall1(data, k, make_boolean(boolean_t));")
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(define-c pffi-pointer-int32-set!
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"(void *data, int argc, closure _, object k, object pointer, object offset, object value)"
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"int32_t* p = opaque_ptr(pointer) + obj_obj2int(offset);
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*p = obj_obj2int(value);
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return_closcall1(data, k, make_boolean(boolean_t));")
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(define-c pffi-pointer-uint32-set!
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"(void *data, int argc, closure _, object k, object pointer, object offset, object value)"
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"uint32_t* p = opaque_ptr(pointer) + obj_obj2int(offset);
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*p = obj_obj2int(value);
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return_closcall1(data, k, make_boolean(boolean_t));")
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(define-c pffi-pointer-int64-set!
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"(void *data, int argc, closure _, object k, object pointer, object offset, object value)"
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"int64_t* p = opaque_ptr(pointer) + obj_obj2int(offset);
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*p = obj_obj2int(value);
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return_closcall1(data, k, make_boolean(boolean_t));")
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(define-c pffi-pointer-uint64-set!
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"(void *data, int argc, closure _, object k, object pointer, object offset, object value)"
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"uint64_t* p = opaque_ptr(pointer) + obj_obj2int(offset);
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*p = obj_obj2int(value);
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return_closcall1(data, k, make_boolean(boolean_t));")
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(define-c pffi-pointer-char-set!
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"(void *data, int argc, closure _, object k, object pointer, object offset, object value)"
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"char* p = opaque_ptr(pointer) + obj_obj2int(offset);
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*p = obj_obj2char(value);
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return_closcall1(data, k, make_boolean(boolean_t));")
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(define-c pffi-pointer-short-set!
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"(void *data, int argc, closure _, object k, object pointer, object offset, object value)"
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"short* p = opaque_ptr(pointer) + obj_obj2int(offset);
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*p = obj_obj2int(value);
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return_closcall1(data, k, make_boolean(boolean_t));")
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(define-c pffi-pointer-unsigned-short-set!
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"(void *data, int argc, closure _, object k, object pointer, object offset, object value)"
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"unsigned short* p = opaque_ptr(pointer) + obj_obj2int(offset);
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*p = obj_obj2int(value);
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return_closcall1(data, k, make_boolean(boolean_t));")
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(define-c pffi-pointer-int-set!
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"(void *data, int argc, closure _, object k, object pointer, object offset, object value)"
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"int* p = opaque_ptr(pointer) + obj_obj2int(offset);
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*p = obj_obj2int(value);
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return_closcall1(data, k, make_boolean(boolean_t));")
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(define-c pffi-pointer-unsigned-int-set!
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"(void *data, int argc, closure _, object k, object pointer, object offset, object value)"
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"unsigned int* p = opaque_ptr(pointer) + obj_obj2int(offset);
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*p = obj_obj2int(value);
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return_closcall1(data, k, make_boolean(boolean_t));")
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(define-c pffi-pointer-long-set!
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"(void *data, int argc, closure _, object k, object pointer, object offset, object value)"
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"long* p = opaque_ptr(pointer) + obj_obj2int(offset);
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*p = obj_obj2int(value);
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return_closcall1(data, k, make_boolean(boolean_t));")
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(define-c pffi-pointer-unsigned-long-set!
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"(void *data, int argc, closure _, object k, object pointer, object offset, object value)"
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"unsigned long* p = opaque_ptr(pointer) + obj_obj2int(offset);
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*p = obj_obj2int(value);
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return_closcall1(data, k, make_boolean(boolean_t));")
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(define-c pffi-pointer-float-set!
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"(void *data, int argc, closure _, object k, object pointer, object offset, object value)"
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"float* p = opaque_ptr(pointer) + obj_obj2int(offset);
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*p = double_value(value);
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return_closcall1(data, k, make_boolean(boolean_t));")
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(define-c pffi-pointer-double-set!
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"(void *data, int argc, closure _, object k, object pointer, object offset, object value)"
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"double* p = opaque_ptr(pointer) + obj_obj2int(offset);
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*p = double_value(value);
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return_closcall1(data, k, make_boolean(boolean_t));")
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(define-c pffi-pointer-pointer-set!
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"(void *data, int argc, closure _, object k, object pointer, object offset, object value)"
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"uintptr_t* p = opaque_ptr(pointer) + obj_obj2int(offset);
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*p = (uintptr_t)&opaque_ptr(value);
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return_closcall1(data, k, make_boolean(boolean_t));")
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(define pffi-pointer-set!
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(lambda (pointer type offset value)
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(cond
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((equal? type 'int8) (pffi-pointer-int8-set! pointer offset value))
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((equal? type 'uint8) (pffi-pointer-uint8-set! pointer offset value))
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((equal? type 'int16) (pffi-pointer-int16-set! pointer offset value))
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((equal? type 'uint16) (pffi-pointer-uint16-set! pointer offset value))
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((equal? type 'int32) (pffi-pointer-int32-set! pointer offset value))
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((equal? type 'uint32) (pffi-pointer-uint32-set! pointer offset value))
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((equal? type 'int64) (pffi-pointer-int64-set! pointer offset value))
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((equal? type 'uint64) (pffi-pointer-uint64-set! pointer offset value))
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((equal? type 'char) (pffi-pointer-char-set! pointer offset value))
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((equal? type 'short) (pffi-pointer-short-set! pointer offset value))
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((equal? type 'unsigned-short) (pffi-pointer-unsigned-short-set! pointer offset value))
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((equal? type 'int) (pffi-pointer-int-set! pointer offset value))
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((equal? type 'unsigned-int) (pffi-pointer-unsigned-int-set! pointer offset value))
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((equal? type 'long) (pffi-pointer-long-set! pointer offset value))
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((equal? type 'unsigned-long) (pffi-pointer-unsigned-long-set! pointer offset value))
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((equal? type 'float) (pffi-pointer-float-set! pointer offset value))
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((equal? type 'double) (pffi-pointer-double-set! pointer offset value))
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((equal? type 'pointer) (pffi-pointer-pointer-set! pointer offset value)))))
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(define-c pffi-pointer-int8-get
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"(void *data, int argc, closure _, object k, object pointer, object offset)"
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"int8_t* p = opaque_ptr(pointer) + obj_obj2int(offset);
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return_closcall1(data, k, obj_int2obj(*p));")
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(define-c pffi-pointer-uint8-get
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"(void *data, int argc, closure _, object k, object pointer, object offset)"
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"uint8_t* p = opaque_ptr(pointer) + obj_obj2int(offset);
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return_closcall1(data, k, obj_int2obj(*p));")
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(define-c pffi-pointer-int16-get
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"(void *data, int argc, closure _, object k, object pointer, object offset)"
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"int16_t* p = opaque_ptr(pointer) + obj_obj2int(offset);
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return_closcall1(data, k, obj_int2obj(*p));")
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(define-c pffi-pointer-uint16-get
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"(void *data, int argc, closure _, object k, object pointer, object offset)"
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"uint16_t* p = opaque_ptr(pointer) + obj_obj2int(offset);
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return_closcall1(data, k, obj_int2obj(*p));")
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(define-c pffi-pointer-int32-get
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"(void *data, int argc, closure _, object k, object pointer, object offset)"
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"int32_t* p = opaque_ptr(pointer) + obj_obj2int(offset);
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return_closcall1(data, k, obj_int2obj(*p));")
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(define-c pffi-pointer-uint32-get
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"(void *data, int argc, closure _, object k, object pointer, object offset)"
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"uint32_t* p = opaque_ptr(pointer) + obj_obj2int(offset);
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return_closcall1(data, k, obj_int2obj(*p));")
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(define-c pffi-pointer-int64-get
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"(void *data, int argc, closure _, object k, object pointer, object offset)"
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"int64_t* p = opaque_ptr(pointer) + obj_obj2int(offset);
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return_closcall1(data, k, obj_int2obj(*p));")
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(define-c pffi-pointer-uint64-get
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"(void *data, int argc, closure _, object k, object pointer, object offset)"
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"uint64_t* p = opaque_ptr(pointer) + obj_obj2int(offset);
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return_closcall1(data, k, obj_int2obj(*p));")
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(define-c pffi-pointer-char-get
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"(void *data, int argc, closure _, object k, object pointer, object offset)"
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"char* p = opaque_ptr(pointer) + obj_obj2int(offset);
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return_closcall1(data, k, obj_char2obj(*p));")
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(define-c pffi-pointer-short-get
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"(void *data, int argc, closure _, object k, object pointer, object offset)"
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"short* p = opaque_ptr(pointer) + obj_obj2int(offset);
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return_closcall1(data, k, obj_int2obj(*p));")
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(define-c pffi-pointer-unsigned-short-get
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"(void *data, int argc, closure _, object k, object pointer, object offset)"
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"unsigned short* p = opaque_ptr(pointer) + obj_obj2int(offset);
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return_closcall1(data, k, obj_int2obj(*p));")
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(define-c pffi-pointer-int-get
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"(void *data, int argc, closure _, object k, object pointer, object offset)"
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"int* p = opaque_ptr(pointer) + obj_obj2int(offset);
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return_closcall1(data, k, obj_int2obj(*p));")
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(define-c pffi-pointer-unsigned-int-get
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"(void *data, int argc, closure _, object k, object pointer, object offset)"
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"unsigned int* p = opaque_ptr(pointer) + obj_obj2int(offset);
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return_closcall1(data, k, obj_int2obj(*p));")
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(define-c pffi-pointer-long-get
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"(void *data, int argc, closure _, object k, object pointer, object offset)"
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"long* p = opaque_ptr(pointer) + obj_obj2int(offset);
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return_closcall1(data, k, obj_int2obj(*p));")
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(define-c pffi-pointer-unsigned-long-get
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"(void *data, int argc, closure _, object k, object pointer, object offset)"
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"unsigned long* p = opaque_ptr(pointer) + obj_obj2int(offset);
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return_closcall1(data, k, obj_int2obj(*p));")
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(define-c pffi-pointer-float-get
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"(void *data, int argc, closure _, object k, object pointer, object offset)"
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"float* p = opaque_ptr(pointer) + obj_obj2int(offset);
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alloca_double(d, *p);
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return_closcall1(data, k, d);")
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(define-c pffi-pointer-double-get
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"(void *data, int argc, closure _, object k, object pointer, object offset)"
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"double* p = opaque_ptr(pointer) + obj_obj2int(offset);
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alloca_double(d, *p);
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return_closcall1(data, k, d);")
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(define-c pffi-pointer-pointer-get
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"(void *data, int argc, closure _, object k, object pointer, object offset)"
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"make_c_opaque(opq, (void*)opaque_ptr(pointer) + obj_obj2int(offset));
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return_closcall1(data, k, &opq);")
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#;(define c-bytevector-u8-set! pffi-pointer-uint8-set!)
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(define c-bytevector-u8-ref pffi-pointer-uint8-get)
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(define pffi-pointer-get
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(lambda (pointer type offset)
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(cond
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((equal? type 'int8) (pffi-pointer-int8-get pointer offset))
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((equal? type 'uint8) (pffi-pointer-uint8-get pointer offset))
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((equal? type 'int16) (pffi-pointer-int16-get pointer offset))
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((equal? type 'uint16) (pffi-pointer-uint16-get pointer offset))
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((equal? type 'int32) (pffi-pointer-int32-get pointer offset))
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((equal? type 'uint32) (pffi-pointer-uint32-get pointer offset))
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((equal? type 'int64) (pffi-pointer-int64-get pointer offset))
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((equal? type 'uint64) (pffi-pointer-uint64-get pointer offset))
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((equal? type 'char) (pffi-pointer-char-get pointer offset))
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((equal? type 'short) (pffi-pointer-short-get pointer offset))
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((equal? type 'unsigned-short) (pffi-pointer-unsigned-short-get pointer offset))
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((equal? type 'int) (pffi-pointer-int-get pointer offset))
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((equal? type 'unsigned-int) (pffi-pointer-unsigned-int-get pointer offset))
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((equal? type 'long) (pffi-pointer-long-get pointer offset))
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((equal? type 'unsigned-long) (pffi-pointer-unsigned-long-get pointer offset))
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((equal? type 'float) (pffi-pointer-float-get pointer offset))
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((equal? type 'double) (pffi-pointer-double-get pointer offset))
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((equal? type 'pointer) (pffi-pointer-pointer-get pointer offset)))))
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