Renaming and moving to the new schubert format

This commit is contained in:
retropikzel 2024-07-15 18:12:34 +03:00
parent 26ad6f9506
commit 57c50014df
56 changed files with 3870 additions and 84 deletions

2
.gitignore vendored
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@ -26,3 +26,5 @@ retropikzel/pffi/*/compiled
tmp
dockerfiles/build
.scheme_testrunner
retropikzel/pffi/version/main.sld
retropikzel/pffi/version/main.rkt

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@ -1,26 +1,15 @@
VERSION=$(shell cat VERSION)
build:
cp retropikzel/pffi/${VERSION}/main.sld retropikzel/pffi/${VERSION}/main.scm
cp retropikzel/r7rs-pffi/version/main.scm retropikzel/r7rs-pffi/version/main.sld
echo "#lang r7rs" > retropikzel/r7rs-pffi/version/main.rkt
cat retropikzel/r7rs-pffi/version/main.scm >> retropikzel/r7rs-pffi/version/main.rkt
install:
schubert install
update-documentation:
schubert document
mkdir -p docutmp
cd docutmp && git clone git@codeberg.org:r7rs-pffi/pffi.wiki.git
cp retropikzel/pffi/${VERSION}/schubert-doc.md docutmp/pffi.wiki/Documentation.md
cd docutmp/pffi.wiki && git add Documentation.md ; git commit -m "Update documentation" ; git push
rm -rf docutmp
documentation:
schubert document
VERSION=${VERSION} bash doc/generate.sh > documentation.md
test-arm64:
#scheme_testrunner alpine:3.20 arm64 guile "bash test-guile.sh"
scheme_testrunner alpine:3.20 arm64 sagittarius "bash test-sagittarius.sh"
#scheme_testrunner alpine:3.20 arm64 sagittarius "bash test-sagittarius.sh"
scheme_testrunner alpine:3.20 arm64 chicken "bash test-chicken.sh"
#
#scheme_testrunner debian:trixie arm64 guile "bash test-guile.sh"
#scheme_testrunner debian:trixie arm64 sagittarius "bash test-sagittarius.sh"
@ -32,17 +21,17 @@ test-arm64:
#scheme_testrunner opensuse/tumbleweed arm64 sagittarius "bash test-sagittarius.sh"
test-amd64:
scheme_testrunner alpine:3.20 amd64 guile "bash test-guile.sh"
#scheme_testrunner alpine:3.20 amd64 guile "bash test-guile.sh"
scheme_testrunner alpine:3.20 amd64 sagittarius "bash test-sagittarius.sh"
#
scheme_testrunner debian:trixie amd64 guile "bash test-guile.sh"
scheme_testrunner debian:trixie amd64 sagittarius "bash test-sagittarius.sh"
#scheme_testrunner debian:trixie amd64 guile "bash test-guile.sh"
#scheme_testrunner debian:trixie amd64 sagittarius "bash test-sagittarius.sh"
#
scheme_testrunner fedora:40 amd64 guile "bash test-guile.sh"
scheme_testrunner fedora:40 amd64 sagittarius "bash test-sagittarius.sh"
#scheme_testrunner fedora:40 amd64 guile "bash test-guile.sh"
#scheme_testrunner fedora:40 amd64 sagittarius "bash test-sagittarius.sh"
#
scheme_testrunner opensuse/tumbleweed amd64 guile "bash test-guile.sh"
scheme_testrunner opensuse/tumbleweed amd64 sagittarius "bash test-sagittarius.sh"
#scheme_testrunner opensuse/tumbleweed amd64 guile "bash test-guile.sh"
#scheme_testrunner opensuse/tumbleweed amd64 sagittarius "bash test-sagittarius.sh"
test-amd64-wine:
scheme_testrunner alpine:3.20 amd64 sagittarius_wine "bash test-sagittarius-wine.sh"
@ -53,12 +42,12 @@ tmp:
clean:
rm -rf docutmp
rm -rf retropikzel/pffi/${VERSION}/*.c
rm -rf retropikzel/pffi/${VERSION}/*.o*
rm -rf retropikzel/pffi/${VERSION}/*.so
rm -rf retropikzel/pffi/${VERSION}/*.meta
rm -rf retropikzel/pffi/${VERSION}/retropikzel.*
rm -rf retropikzel/pffi/${VERSION}/compiled
rm -rf retropikzel/r7rs-pffi/version/*.c
rm -rf retropikzel/r7rs-pffi/version/*.o*
rm -rf retropikzel/r7rs-pffi/version/*.so
rm -rf retropikzel/r7rs-pffi/version/*.meta
rm -rf retropikzel/r7rs-pffi/version/retropikzel.*
rm -rf retropikzel/r7rs-pffi/version/compiled
rm -rf retropikzel.*
rm -rf test/*.c
rm -rf test/*.o*

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@ -82,7 +82,6 @@ Got a [question](https://codeberg.org/r7rs-pffi/pffi/projects/9575)?
## Hacking
- main.sld is the real main which is copied to main.scm
- You will need to have [scheme_testrunner](https://git.sr.ht/~retropikzel/scheme-testrunner)
installed to run tests on large scale
- You can also run them on your machine

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@ -1 +0,0 @@
v0-4-1

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@ -1,5 +1,5 @@
(define-library
(retropikzel r7rs-pffi v0-4-0 chicken)
(retropikzel r7rs-pffi version chicken)
(import (scheme base)
(scheme write)
(scheme file)

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@ -1,5 +1,5 @@
(define-library
(retropikzel r7rs-pffi v0-4-0 cyclone)
(retropikzel r7rs-pffi version cyclone)
(import (scheme base)
(scheme write)
(scheme file)

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@ -1,5 +1,5 @@
(define-library
(retropikzel r7rs-pffi v0-4-0 empty)
(retropikzel r7rs-pffi version empty)
(import (scheme base)
(scheme write)
(scheme file)

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@ -1,5 +1,5 @@
(define-library
(retropikzel r7rs-pffi v0-4-0 gambit)
(retropikzel r7rs-pffi version gambit)
(import (scheme base)
(scheme write)
(scheme file)

79
build/gerbil.scm Normal file
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@ -0,0 +1,79 @@
(define-library
(retropikzel r7rs-pffi version gerbil)
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context))
(export pffi-shared-object-load
pffi-define
pffi-size-of
pffi-pointer-allocate
pffi-pointer-null
pffi-string->pointer
pffi-pointer->string
pffi-pointer-free
pffi-pointer?
pffi-pointer-null?
pffi-pointer-set!
pffi-pointer-get
pffi-pointer-deref)
(begin
(define pffi-type->native-type
(lambda (type)
(error "Not defined")))
(define pffi-pointer?
(lambda (object)
(error "Not defined")))
(define-syntax pffi-define
(syntax-rules ()
((pffi-define scheme-name shared-object c-name return-type argument-types)
(error "Not defined"))))
(define pffi-size-of
(lambda (type)
(error "Not defined")))
(define pffi-pointer-allocate
(lambda (size)
(error "Not defined")))
(define pffi-pointer-null
(lambda ()
(error "Not defined")))
(define pffi-string->pointer
(lambda (string-content)
(error "Not defined")))
(define pffi-pointer->string
(lambda (pointer)
pointer))
(define pffi-shared-object-load
(lambda (header path)
(error "Not defined")))
(define pffi-pointer-free
(lambda (pointer)
(error "Not defined")))
(define pffi-pointer-null?
(lambda (pointer)
(error "Not defined")))
(define pffi-pointer-set!
(lambda (pointer type offset value)
(let ((p pointer))
(error "Not defined"))))
(define pffi-pointer-get
(lambda (pointer type offset)
(error "Not defined")))
(define pffi-pointer-deref
(lambda (pointer)
(error "Not defined")))))

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@ -1,5 +1,5 @@
(define-library
(retropikzel r7rs-pffi v0-4-0 guile)
(retropikzel r7rs-pffi version guile)
(import (scheme base)
(scheme write)
(scheme file)

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@ -1,32 +1,32 @@
(define-library
(retropikzel r7rs-pffi v0-4-0 main)
(retropikzel r7rs-pffi version main)
(cond-expand
(sagittarius
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context)
(retropikzel r7rs-pffi v0-4-0 sagittarius)))
(retropikzel r7rs-pffi version sagittarius)))
(guile
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context)
(retropikzel r7rs-pffi v0-4-0 guile)))
(retropikzel r7rs-pffi version guile)))
(racket
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context)
(only (racket base) system-type)
(retropikzel r7rs-pffi v0-4-0 racket)))
(retropikzel r7rs-pffi version racket)))
(stklos
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context)
(stklos)
(retropikzel r7rs-pffi v0-4-0 stklos)))
(retropikzel r7rs-pffi version stklos)))
(kawa
(import (scheme base)
(scheme write)
@ -37,31 +37,31 @@
(scheme write)
(scheme file)
(scheme process-context)
(retropikzel r7rs-pffi v0-4-0 cyclone)))
(retropikzel r7rs-pffi version cyclone)))
(gambit
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context)
(retropikzel r7rs-pffi v0-4-0 gambit)))
(retropikzel r7rs-pffi version gambit)))
(chicken
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context)
(retropikzel r7rs-pffi v0-4-0 chicken)))
(retropikzel r7rs-pffi version chicken)))
(chibi
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context)
(retropikzel r7rs-pffi v0-4-0 chibi)))
(retropikzel r7rs-pffi version chibi)))
(mit-scheme
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context)
(retropikzel r7rs-pffi v0-4-0 mit-scheme))))
(retropikzel r7rs-pffi version mit-scheme))))
(export pffi-shared-object-auto-load
pffi-shared-object-load
pffi-define

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@ -1,7 +1,5 @@
#lang r7rs
(define-library
(retropikzel r7rs-pffi v0-4-0 racket)
(retropikzel r7rs-pffi version racket)
(import (scheme base)
(scheme write)
(scheme file)

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@ -1,5 +1,5 @@
(define-library
(retropikzel r7rs-pffi v0-4-0 sagittarius)
(retropikzel r7rs-pffi version sagittarius)
(import (scheme base)
(scheme write)
(scheme file)

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@ -1,5 +1,5 @@
(define-library
(retropikzel r7rs-pffi v0-4-0 stklos)
(retropikzel r7rs-pffi version stklos)
(import (scheme base)
(scheme write)
(scheme file)

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@ -1,3 +0,0 @@
#lang r7rs
(import (scheme base))
(include "main.sld")

Binary file not shown.

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@ -0,0 +1,259 @@
(define-library
(retropikzel r7rs-pffi version chicken)
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context)
(chicken foreign)
(chicken syntax)
(chicken memory)
(chicken random))
(export pffi-shared-object-load
pffi-define
pffi-define-callback
pffi-size-of
pffi-pointer-allocate
pffi-pointer-null
pffi-string->pointer
pffi-pointer->string
pffi-pointer-free
pffi-pointer?
pffi-pointer-null?
pffi-pointer-set!
pffi-pointer-get
pffi-pointer-deref)
(begin
(define pffi-type->native-type
(lambda (type)
(cond ((equal? type 'int8) 'byte)
((equal? type 'uint8) 'unsigned-byte)
((equal? type 'int16) 'int16_t)
((equal? type 'uint16) 'uint16_t)
((equal? type 'int32) 'int32)
((equal? type 'uint32) 'unsigned-int32)
((equal? type 'int64) 'integer-64)
((equal? type 'uint64) 'unsigned-integer64)
((equal? type 'char) 'char)
((equal? type 'unsigned-char) 'unsigned-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) 'c-pointer)
((equal? type 'string) 'c-string)
((equal? type 'void) 'void)
((equal? type 'callback) 'c-pointer)
(else (error "pffi-type->native-type -- No such pffi type" type)))) )
(define pffi-pointer?
(lambda (object)
(pointer? object)))
(define-syntax pffi-define
(er-macro-transformer
(lambda (expr rename compare)
(let* ((pffi-type->native-type
(lambda (type)
(cond ((equal? type 'int8) 'byte)
((equal? type 'uint8) 'unsigned-byte)
((equal? type 'int16) 'int16_t)
((equal? type 'uint16) 'uint16_t)
((equal? type 'int32) 'int32)
((equal? type 'uint32) 'unsigned-int32)
((equal? type 'int64) 'integer-64)
((equal? type 'uint64) 'unsigned-integer64)
((equal? type 'char) 'char)
((equal? type 'unsigned-char) 'unsigned-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) 'c-pointer)
((equal? type 'string) 'c-string)
((equal? type 'void) 'void)
((equal? type 'callback) 'c-pointer)
(else (error "pffi-type->native-type -- No such pffi type" type)))))
(scheme-name (car (cdr expr)))
(c-name (symbol->string (car (cdr (car (cdr (cdr (cdr expr))))))))
(return-type (pffi-type->native-type (car (cdr (car (cdr (cdr (cdr (cdr expr)))))))))
(argument-types
(let ((types (cdr (car (cdr (cdr (cdr (cdr (cdr expr)))))))))
(if (null? types)
'()
(map pffi-type->native-type (map car (map cdr types)))))))
(if (null? argument-types)
`(define ,scheme-name
(foreign-safe-lambda ,return-type ,c-name))
`(define ,scheme-name
(foreign-safe-lambda ,return-type ,c-name ,@ argument-types)))))))
(define-syntax pffi-define-callback
(er-macro-transformer
(lambda (expr rename compare)
(let* ((pffi-type->native-type
(lambda (type)
(cond ((equal? type 'int8) 'byte)
((equal? type 'uint8) 'unsigned-byte)
((equal? type 'int16) 'int16_t)
((equal? type 'uint16) 'uint16_t)
((equal? type 'int32) 'int32)
((equal? type 'uint32) 'unsigned-int32)
((equal? type 'int64) 'integer-64)
((equal? type 'uint64) 'unsigned-integer64)
((equal? type 'char) 'char)
((equal? type 'unsigned-char) 'unsigned-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) 'c-pointer)
((equal? type 'string) 'c-string)
((equal? type 'void) 'void)
((equal? type 'callback) 'c-pointer)
(else (error "pffi-type->native-type -- No such pffi type" type)))))
(scheme-name (car (cdr expr)))
(return-type (pffi-type->native-type (car (cdr (car (cdr (cdr expr)))))))
(argument-types
(let ((types (cdr (car (cdr (cdr (cdr expr)))))))
(if (null? types)
'()
(map pffi-type->native-type (map car (map cdr types))))))
(argument-names (car (cdr (car (cdr (cdr (cdr (cdr expr))))))))
(arguments (map
(lambda (name type)
`(,name ,type))
argument-types argument-names))
(procedure-body (cdr (cdr (car (cdr (cdr (cdr (cdr expr)))))))))
`(begin (define-external ,(cons 'external_123456789 arguments)
,return-type
(begin ,@ procedure-body))
(define ,scheme-name (location external_123456789)))
))))
(define-syntax pffi-size-of
(er-macro-transformer
(lambda (expr rename compare)
(let ((type (car (cdr (car (cdr expr))))))
(cond ((equal? type 'int8) `(foreign-value "sizeof(int8_t)" int))
((equal? type 'uint8) `(foreign-value "sizeof(uint8_t)" int))
((equal? type 'int16) `(foreign-value "sizeof(int16_t)" int))
((equal? type 'uint16) `(foreign-value "sizeof(uint16_t)" int))
((equal? type 'int32) `(foreign-value "sizeof(int32_t)" int))
((equal? type 'uint32) `(foreign-value "sizeof(uint32_t)" int))
((equal? type 'int64) `(foreign-value "sizeof(int64_t)" int))
((equal? type 'uint64) `(foreign-value "sizeof(uint64_t)" int))
((equal? type 'char) `(foreign-value "sizeof(char)" int))
((equal? type 'unsigned-char) `(foreign-value "sizeof(unsigned char)" int))
((equal? type 'short) `(foreign-value "sizeof(short)" int))
((equal? type 'unsigned-short) `(foreign-value "sizeof(unsigned short)" int))
((equal? type 'int) `(foreign-value "sizeof(int)" int))
((equal? type 'unsigned-int) `(foreign-value "sizeof(unsigned int)" int))
((equal? type 'long) `(foreign-value "sizeof(long)" int))
((equal? type 'unsigned-long) `(foreign-value "sizeof(unsigned long)" int))
((equal? type 'float) `(foreign-value "sizeof(float)" int))
((equal? type 'double) `(foreign-value "sizeof(double)" int))
((equal? type 'pointer) `(foreign-value "sizeof(int)" int))
(else `(error "pffi-size-of -- No such pffi type" type)))))))
(define pffi-pointer-allocate
(lambda (size)
(allocate size)))
(define pffi-pointer-null
(lambda ()
(address->pointer 0)))
(define pffi-string->pointer
(lambda (string-content)
(location string-content)))
(pffi-define strlen #f 'strlen 'int (list 'pointer))
(define pffi-pointer->string
(lambda (pointer)
(if (string? pointer)
pointer
(let* ((size (strlen pointer))
(string-content (make-string size)))
(move-memory! pointer string-content size 0)
string-content))))
(define-syntax pffi-shared-object-load
(er-macro-transformer
(lambda (expr rename compare)
(let* ((headers (cdr (car (cdr expr)))))
`(begin
,@ (map
(lambda (header)
`(foreign-declare ,(string-append "#include <" header ">")))
headers))))))
(define pffi-pointer-free
(lambda (pointer)
(free pointer)))
(define pffi-pointer-null?
(lambda (pointer)
(and (pffi-pointer? pointer)
(= (pointer->address pointer) 0))))
(define pffi-pointer-set!
(lambda (pointer type offset value)
(cond
((equal? type 'int8) (pointer-s8-set! (pointer+ pointer offset) value))
((equal? type 'uint8) (pointer-u8-set! (pointer+ pointer offset) value))
((equal? type 'int16) (pointer-s16-set! (pointer+ pointer offset) value))
((equal? type 'uint16) (pointer-u16-set! (pointer+ pointer offset) value))
((equal? type 'int32) (pointer-s32-set! (pointer+ pointer offset) value))
((equal? type 'uint32) (pointer-u32-set! (pointer+ pointer offset) value))
((equal? type 'int64) (pointer-s64-set! (pointer+ pointer offset) value))
((equal? type 'uint64) (pointer-u64-set! (pointer+ pointer offset) value))
((equal? type 'char) (pointer-s8-set! (pointer+ pointer offset) value))
((equal? type 'short) (pointer-s8-set! (pointer+ pointer offset) value))
((equal? type 'unsigned-short) (pointer-u8-set! (pointer+ pointer offset) value))
((equal? type 'int) (pointer-s32-set! (pointer+ pointer offset) value))
((equal? type 'unsigned-int) (pointer-u32-set! (pointer+ pointer offset) value))
((equal? type 'long) (pointer-s32-set! (pointer+ pointer offset) value))
((equal? type 'unsigned-long) (pointer-u32-set! (pointer+ pointer offset) value))
((equal? type 'float) (pointer-s32-set! (pointer+ pointer offset) value))
((equal? type 'double) (pointer-s32-set! (pointer+ pointer offset) value))
((equal? type 'pointer) (pointer-u32-set! (pointer+ pointer offset) value)))))
(define pffi-pointer-get
(lambda (pointer type offset)
(cond
((equal? type 'int8) (pointer-s8-ref (pointer+ pointer offset)))
((equal? type 'uint8) (pointer-u8-ref (pointer+ pointer offset)))
((equal? type 'int16) (pointer-s16-ref (pointer+ pointer offset)))
((equal? type 'uint16) (pointer-u16-ref (pointer+ pointer offset)))
((equal? type 'int32) (pointer-s32-ref (pointer+ pointer offset)))
((equal? type 'uint32) (pointer-u32-ref (pointer+ pointer offset)))
((equal? type 'int64) (pointer-s64-ref (pointer+ pointer offset)))
((equal? type 'uint64) (pointer-u64-ref (pointer+ pointer offset)))
((equal? type 'char) (pointer-s8-ref (pointer+ pointer offset)))
((equal? type 'short) (pointer-s8-ref (pointer+ pointer offset)))
((equal? type 'unsigned-short) (pointer-u8-ref (pointer+ pointer offset)))
((equal? type 'int) (pointer-s32-ref (pointer+ pointer offset)))
((equal? type 'unsigned-int) (pointer-u32-ref (pointer+ pointer offset)))
((equal? type 'long) (pointer-s32-ref (pointer+ pointer offset)))
((equal? type 'unsigned-long) (pointer-u32-ref (pointer+ pointer offset)))
((equal? type 'float) (pointer-s32-ref (pointer+ pointer offset)))
((equal? type 'double) (pointer-s32-ref (pointer+ pointer offset)))
((equal? type 'pointer) (pointer-u32-ref (pointer+ pointer offset))))))
(define pffi-pointer-deref
(lambda (pointer)
pointer))))

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@ -0,0 +1,145 @@
(define-library
(retropikzel r7rs-pffi version cyclone)
(import (scheme base)
(scheme write)
(scheme file)
(scheme eval)
(scheme process-context)
(scheme eval)
(cyclone foreign)
(scheme cyclone primitives))
(export pffi-shared-object-load
pffi-define
pffi-size-of
pffi-pointer-allocate
pffi-pointer-null
pffi-string->pointer
pffi-pointer->string
pffi-pointer-free
pffi-pointer?
pffi-pointer-null?
pffi-pointer-set!
pffi-pointer-get
pffi-pointer-deref)
(begin
(define pffi-type->native-type
(lambda (type)
(cond ((equal? type 'int8) int)
((equal? type 'uint8) int)
((equal? type 'int16) int)
((equal? type 'uint16) int)
((equal? type 'int32) int)
((equal? type 'uint32) int)
((equal? type 'int64) int)
((equal? type 'uint64) int)
((equal? type 'char) char)
((equal? type 'unsigned-char) char)
((equal? type 'short) int)
((equal? type 'unsigned-short) int)
((equal? type 'int) int)
((equal? type 'unsigned-int) int)
((equal? type 'long) int)
((equal? type 'unsigned-long) int)
((equal? type 'float) float)
((equal? type 'double) double)
((equal? type 'pointer) opaque)
((equal? type 'string) string)
((equal? type 'void) c-void)
(else (error "pffi-type->native-type -- No such pffi type" type)))))
(define pffi-pointer?
(lambda (object)
(error "Not defined")))
(define-syntax pffi-define
(er-macro-transformer
(lambda (expr rename compare)
(let* ((pffi-type->native-type
(lambda (type)
(cond ((equal? type 'int8) 'byte)
((equal? type 'uint8) 'unsigned-byte)
((equal? type 'int16) 'int16_t)
((equal? type 'uint16) 'uint16_t)
((equal? type 'int32) 'int32)
((equal? type 'uint32) 'unsigned-int32)
((equal? type 'int64) 'integer-64)
((equal? type 'uint64) 'unsigned-integer64)
((equal? type 'char) 'char)
((equal? type 'unsigned-char) 'unsigned-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) 'c-pointer)
((equal? type 'string) 'c-string)
((equal? type 'void) 'void)
(else (error "pffi-type->native-type -- No such pffi type" type)))))
(scheme-name (car (cdr expr)))
(c-name (symbol->string (car (cdr (car (cdr (cdr (cdr expr))))))))
(return-type (pffi-type->native-type (car (cdr (car (cdr (cdr (cdr (cdr expr)))))))))
(argument-types
(let ((types (cdr (car (cdr (cdr (cdr (cdr (cdr expr)))))))))
(if (null? types)
'()
(map pffi-type->native-type (map car (map cdr types)))))))
(if (null? argument-types)
`(c-define ,scheme-name ,return-type ,c-name)
`(c-define ,scheme-name
,return-type ,c-name ,@ argument-types))))))
(define pffi-size-of
(lambda (type)
(error "Not defined")))
(define pffi-pointer-allocate
(lambda (size)
(error "Not defined")))
(define pffi-pointer-null
(lambda ()
(error "Not defined")))
(define pffi-string->pointer
(lambda (string-content)
(error "Not defined")))
(define pffi-pointer->string
(lambda (pointer)
pointer))
(define-syntax pffi-shared-object-load
(er-macro-transformer
(lambda (expr rename compare)
`(begin
,@ (map
(lambda (header)
`(include-c-header ,(string-append "<" header ">")))
(cdr (car (cdr expr))))))))
(define pffi-pointer-free
(lambda (pointer)
(error "Not defined")))
(define pffi-pointer-null?
(lambda (pointer)
(error "Not defined")))
(define pffi-pointer-set!
(lambda (pointer type offset value)
(let ((p pointer))
(error "Not defined"))))
(define pffi-pointer-get
(lambda (pointer type offset)
(error "Not defined")))
(define pffi-pointer-deref
(lambda (pointer)
(error "Not defined")))))

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@ -1,5 +1,5 @@
(define-library
(retropikzel r7rs-pffi v0-4-0 gerbil)
(retropikzel r7rs-pffi version empty)
(import (scheme base)
(scheme write)
(scheme file)

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(define-library
(retropikzel r7rs-pffi version gambit)
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context))
(export pffi-shared-object-load
pffi-define
pffi-size-of
pffi-pointer-allocate
pffi-pointer-null
pffi-string->pointer
pffi-pointer->string
pffi-pointer-free
pffi-pointer?
pffi-pointer-null?
pffi-pointer-set!
pffi-pointer-get
pffi-pointer-deref)
(begin
(define pffi-type->native-type
(lambda (type)
(error "Not defined")))
(define pffi-pointer?
(lambda (object)
(error "Not defined")))
(define pffi-define
(lambda (scheme-name shared-object c-name return-type argument-types)
(error "Not defined")))
(define pffi-size-of
(lambda (type)
(error "Not defined")))
(define pffi-pointer-allocate
(lambda (size)
(error "Not defined")))
(define pffi-pointer-null
(lambda ()
(error "Not defined")))
(define pffi-string->pointer
(lambda (string-content)
(error "Not defined")))
(define pffi-pointer->string
(lambda (pointer)
pointer))
(define pffi-shared-object-load
(lambda (headers)
(error "Not defined")))
(define pffi-pointer-free
(lambda (pointer)
(error "Not defined")))
(define pffi-pointer-null?
(lambda (pointer)
(error "Not defined")))
(define pffi-pointer-set!
(lambda (pointer type offset value)
(let ((p pointer))
(error "Not defined"))))
(define pffi-pointer-get
(lambda (pointer type offset)
(error "Not defined")))
(define pffi-pointer-deref
(lambda (pointer)
(error "Not defined")))))

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(define-library
(retropikzel r7rs-pffi version gerbil)
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context))
(export pffi-shared-object-load
pffi-define
pffi-size-of
pffi-pointer-allocate
pffi-pointer-null
pffi-string->pointer
pffi-pointer->string
pffi-pointer-free
pffi-pointer?
pffi-pointer-null?
pffi-pointer-set!
pffi-pointer-get
pffi-pointer-deref)
(begin
(define pffi-type->native-type
(lambda (type)
(error "Not defined")))
(define pffi-pointer?
(lambda (object)
(error "Not defined")))
(define-syntax pffi-define
(syntax-rules ()
((pffi-define scheme-name shared-object c-name return-type argument-types)
(error "Not defined"))))
(define pffi-size-of
(lambda (type)
(error "Not defined")))
(define pffi-pointer-allocate
(lambda (size)
(error "Not defined")))
(define pffi-pointer-null
(lambda ()
(error "Not defined")))
(define pffi-string->pointer
(lambda (string-content)
(error "Not defined")))
(define pffi-pointer->string
(lambda (pointer)
pointer))
(define pffi-shared-object-load
(lambda (header path)
(error "Not defined")))
(define pffi-pointer-free
(lambda (pointer)
(error "Not defined")))
(define pffi-pointer-null?
(lambda (pointer)
(error "Not defined")))
(define pffi-pointer-set!
(lambda (pointer type offset value)
(let ((p pointer))
(error "Not defined"))))
(define pffi-pointer-get
(lambda (pointer type offset)
(error "Not defined")))
(define pffi-pointer-deref
(lambda (pointer)
(error "Not defined")))))

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(define-library
(retropikzel r7rs-pffi version guile)
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context)
(rnrs bytevectors)
(system foreign)
(system foreign-library))
(export pffi-shared-object-load
pffi-define
pffi-define-callback
pffi-size-of
pffi-pointer-allocate
pffi-pointer-null
pffi-string->pointer
pffi-pointer->string
pffi-pointer-free
pffi-pointer?
pffi-pointer-null?
pffi-pointer-set!
pffi-pointer-get
pffi-pointer-deref)
(begin
(define pffi-type->native-type
(lambda (type)
(cond ((equal? type 'int8) int8)
((equal? type 'uint8) uint8)
((equal? type 'int16) int16)
((equal? type 'uint16) uint16)
((equal? type 'int32) int32)
((equal? type 'uint32) uint32)
((equal? type 'int64) int64)
((equal? type 'uint64) uint64)
((equal? type 'char) int)
((equal? type 'unsigned-char) int)
((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) '*)
((equal? type 'string) '*)
((equal? type 'void) void)
((equal? type 'callback) '*)
(else (error "pffi-type->native-type -- No such pffi type" type)))))
(define pffi-pointer?
(lambda (object)
(pointer? object)))
(define-syntax pffi-define
(syntax-rules ()
((pffi-define scheme-name shared-object c-name return-type argument-types)
(define scheme-name
(foreign-library-function shared-object
(symbol->string c-name)
#:return-type (pffi-type->native-type return-type)
#:arg-types (map pffi-type->native-type argument-types))))))
(define-syntax pffi-define-callback
(syntax-rules ()
((pffi-define scheme-name return-type argument-types procedure)
(define scheme-name
(procedure->pointer (pffi-type->native-type return-type)
procedure
(map pffi-type->native-type argument-types))))))
(define pffi-size-of
(lambda (type)
(sizeof (pffi-type->native-type type))))
(define pffi-pointer-allocate
(lambda (size)
(bytevector->pointer (make-bytevector size 0))))
(define pffi-pointer-null
(lambda ()
(make-pointer 0)))
(define pffi-string->pointer
(lambda (string-content)
(string->pointer string-content)))
(define pffi-pointer->string
(lambda (pointer)
(pointer->string pointer)))
(define pffi-shared-object-load
(lambda (header path)
(load-foreign-library path)))
(define pffi-pointer-free
(lambda (pointer)
#t))
(define pffi-pointer-null?
(lambda (pointer)
(and (pffi-pointer? pointer)
(null-pointer? pointer))))
(define pffi-pointer-set!
(lambda (pointer type offset value)
(let ((p (pointer->bytevector pointer (+ offset 100)))
(native-type (pffi-type->native-type type)))
(cond ((equal? native-type int8) (bytevector-s8-set! p offset value))
((equal? native-type uint8) (bytevector-u8-set! p offset value))
((equal? native-type int16) (bytevector-s16-set! p offset value (native-endianness)))
((equal? native-type uint16) (bytevector-u16-set! p offset value (native-endianness)))
((equal? native-type int32) (bytevector-s32-set! p offset value (native-endianness)))
((equal? native-type uint32) (bytevector-u32-set! p offset value (native-endianness)))
((equal? native-type int64) (bytevector-s64-set! p offset value (native-endianness)))
((equal? native-type uint64) (bytevector-u64-set! p offset value (native-endianness)))
((equal? native-type short) (bytevector-s8-set! p offset value (native-endianness)))
((equal? native-type unsigned-short) (bytevector-u8-set! p offset value))
((equal? native-type int) (bytevector-sint-set! p offset value (native-endianness) (pffi-size-of type)))
((equal? native-type unsigned-int) (bytevector-uint-set! p offset value (native-endianness) (pffi-size-of type)))
((equal? native-type long) (bytevector-s64-set! p offset value (native-endianness)))
((equal? native-type unsigned-long) (bytevector-u64-set! p offset value (native-endianness)))
((equal? native-type float) (bytevector-u64-set! p offset value (native-endianness)))
((equal? native-type double) (bytevector-u64-set! p offset value (native-endianness)))
((equal? native-type '*) (bytevector-sint-set! p offset (pointer-address value) (native-endianness) (pffi-size-of type))))
)))
(define pffi-pointer-get
(lambda (pointer type offset)
(let ((p (pointer->bytevector pointer (+ offset 100)))
(native-type (pffi-type->native-type type)))
(cond ((equal? native-type int8) (bytevector-s8-ref p offset))
((equal? native-type uint8) (bytevector-u8-ref p offset))
((equal? native-type int16) (bytevector-s16-ref p offset (native-endianness)))
((equal? native-type uint16) (bytevector-u16-ref p offset (native-endianness)))
((equal? native-type int32) (bytevector-s32-ref p offset (native-endianness)))
((equal? native-type uint32) (bytevector-u32-ref p offset (native-endianness)))
((equal? native-type int64) (bytevector-s64-ref p offset (native-endianness)))
((equal? native-type uint64) (bytevector-u64-ref p offset (native-endianness)))
((equal? native-type short) (bytevector-s8-ref p offset))
((equal? native-type unsigned-short) (bytevector-u8-ref p offset))
((equal? native-type int) (bytevector-sint-ref p offset (native-endianness) (pffi-size-of type)))
((equal? native-type unsigned-int) (bytevector-uint-ref p offset (native-endianness) (pffi-size-of type)))
((equal? native-type long) (bytevector-s64-ref p offset (native-endianness)))
((equal? native-type unsigned-long) (bytevector-u64-ref p offset (native-endianness)))
((equal? native-type float) (bytevector-u64-ref p offset (native-endianness)))
((equal? native-type double) (bytevector-u64-ref p offset (native-endianness)))
((equal? native-type '*) (make-pointer (bytevector-sint-ref p offset (native-endianness) (pffi-size-of type))))))))
(define pffi-pointer-deref
(lambda (pointer)
(dereference-pointer pointer)))))

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(define arena (invoke-static java.lang.foreign.Arena 'global))
(define value->object
(lambda (value type)
(cond ((equal? type 'byte)
(java.lang.Byte value))
((equal? type 'short)
(java.lang.Short value))
((equal? type 'int)
(java.lang.Integer value))
((equal? type 'long)
(java.lang.Long value))
((equal? type 'float)
(java.lang.Float value))
((equal? type 'double)
(java.lang.Double value))
((equal? type 'char)
(java.lang.Char value))
(else value))))
(define pffi-type->native-type
(lambda (type)
(cond
((equal? type 'int8) (invoke (static-field java.lang.foreign.ValueLayout 'JAVA_INT) 'withByteAlignment 1))
((equal? type 'uint8) (invoke (static-field java.lang.foreign.ValueLayout 'JAVA_INT) 'withByteAlignment 1))
((equal? type 'int16) (invoke (static-field java.lang.foreign.ValueLayout 'JAVA_INT) 'withByteAlignment 2))
((equal? type 'uint16) (invoke (static-field java.lang.foreign.ValueLayout 'JAVA_INT) 'withByteAlignment 2))
((equal? type 'int32) (invoke (static-field java.lang.foreign.ValueLayout 'JAVA_INT) 'withByteAlignment 4))
((equal? type 'uint32) (invoke (static-field java.lang.foreign.ValueLayout 'JAVA_INT) 'withByteAlignment 4))
((equal? type 'int64) (invoke (static-field java.lang.foreign.ValueLayout 'JAVA_INT) 'withByteAlignment 8))
((equal? type 'uint64) (invoke (static-field java.lang.foreign.ValueLayout 'JAVA_INT) 'withByteAlignment 8))
((equal? type 'char) (static-field java.lang.foreign.ValueLayout 'JAVA_CHAR))
((equal? type 'unsigned-char) (static-field java.lang.foreign.ValueLayout 'JAVA_CHAR))
((equal? type 'short) (static-field java.lang.foreign.ValueLayout 'JAVA_SHORT))
((equal? type 'unsigned-short) (static-field java.lang.foreign.ValueLayout 'JAVA_SHORT))
((equal? type 'int) (static-field java.lang.foreign.ValueLayout 'JAVA_INT))
((equal? type 'unsigned-int) (static-field java.lang.foreign.ValueLayout 'JAVA_INT))
((equal? type 'long) (static-field java.lang.foreign.ValueLayout 'JAVA_LONG))
((equal? type 'unsigned-long) (static-field java.lang.foreign.ValueLayout 'JAVA_LONG))
((equal? type 'float) (static-field java.lang.foreign.ValueLayout 'JAVA_FLOAT))
((equal? type 'double) (static-field java.lang.foreign.ValueLayout 'JAVA_DOUBLE))
((equal? type 'pointer) (static-field java.lang.foreign.ValueLayout 'ADDRESS))
((equal? type 'string) (static-field java.lang.foreign.ValueLayout 'ADDRESS))
((equal? type 'void) (static-field java.lang.foreign.ValueLayout 'ADDRESS))
(else (error "pffi-type->native-type -- No such pffi type" type)))))
(define pffi-pointer?
(lambda (object)
(string=? (invoke (invoke object 'getClass) 'getName)
"jdk.internal.foreign.NativeMemorySegmentImpl")))
(define-syntax pffi-define
(syntax-rules ()
((pffi-define scheme-name shared-object c-name return-type argument-types)
(define scheme-name
(let* ((of-void (class-methods java.lang.foreign.FunctionDescriptor 'ofVoid))
(of (class-methods java.lang.foreign.FunctionDescriptor 'of))
(function-descriptor (if (equal? return-type 'void)
(apply of-void (map pffi-type->native-type argument-types))
(apply of (append (list (pffi-type->native-type return-type)) (map pffi-type->native-type argument-types)))))
(method-handle (invoke (cdr (assoc 'linker shared-object))
'downcallHandle
(invoke (invoke (cdr (assoc 'lookup shared-object))
'find
(symbol->string c-name))
'orElseThrow)
function-descriptor)))
(lambda vals
(invoke method-handle 'invokeWithArguments (map value->object vals argument-types))))))))
(define pffi-size-of
(lambda (type)
(invoke (pffi-type->native-type type) 'byteAlignment)))
(define pffi-pointer-allocate
(lambda (size)
(invoke arena 'allocate size 1)))
(define pffi-pointer-null
(lambda ()
(static-field java.lang.foreign.MemorySegment 'NULL)))
(define pffi-string->pointer
(lambda (string-content)
(invoke arena 'allocateUtf8String string-content)))
(define pffi-pointer->string
(lambda (pointer)
(invoke (invoke pointer 'reinterpret (static-field java.lang.Integer 'MAX_VALUE)) 'getUtf8String 0)))
(define pffi-shared-object-load
(lambda (header path)
(let* ((library-file (make java.io.File path))
(file-name (invoke library-file 'getName))
(library-parent-folder (make java.io.File (invoke library-file 'getParent)))
(absolute-path (string-append (invoke library-parent-folder 'getCanonicalPath)
"/"
file-name))
;(set! arena (invoke-static java.lang.foreign.Arena 'ofConfined))
(linker (invoke-static java.lang.foreign.Linker 'nativeLinker))
(lookup (invoke-static java.lang.foreign.SymbolLookup
'libraryLookup
absolute-path
arena)))
(list (cons 'linker linker)
(cons 'lookup lookup)))))
(define pffi-pointer-free
(lambda (pointer)
#t))
(define pffi-pointer-null?
(lambda (pointer)
(invoke pointer 'equals (pffi-pointer-null))))
(define pffi-pointer-set!
(lambda (pointer type offset value)
(invoke pointer 'set (pffi-type->native-type type) offset value)))
(define pffi-pointer-get
(lambda (pointer type offset)
(invoke pointer 'get (pffi-type->native-type type) offset)))
(define pffi-pointer-deref
(lambda (pointer)
(invoke pointer 'get (static-field java.lang.foreign.ValueLayout 'ADDRESS) 0)))

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#lang r7rs
(define-library
(retropikzel r7rs-pffi version main)
(cond-expand
(sagittarius
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context)
(retropikzel r7rs-pffi version sagittarius)))
(guile
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context)
(retropikzel r7rs-pffi version guile)))
(racket
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context)
(only (racket base) system-type)
(retropikzel r7rs-pffi version racket)))
(stklos
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context)
(stklos)
(retropikzel r7rs-pffi version stklos)))
(kawa
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context)))
(cyclone
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context)
(retropikzel r7rs-pffi version cyclone)))
(gambit
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context)
(retropikzel r7rs-pffi version gambit)))
(chicken
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context)
(retropikzel r7rs-pffi version chicken)))
(chibi
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context)
(retropikzel r7rs-pffi version chibi)))
(mit-scheme
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context)
(retropikzel r7rs-pffi version mit-scheme))))
(export pffi-shared-object-auto-load
pffi-shared-object-load
pffi-define
pffi-define-callback
pffi-size-of
pffi-pointer-allocate
pffi-pointer-null
pffi-string->pointer
pffi-pointer->string
pffi-pointer-free
pffi-pointer?
pffi-pointer-null?
pffi-pointer-set!
pffi-pointer-get
pffi-pointer-deref)
(begin
#|doc Testing multiline comment |#
(define library-version "v0-3-0")
(define slash (cond-expand (windows (string #\\)) (else "/")))
(define platform-file-extension
(cond-expand
(racket (if (equal? (system-type 'os) 'windows) ".dll" ".so"))
(windows ".dll")
(else ".so")))
(define platform-lib-prefix
(cond-expand
(racket (if (equal? (system-type 'os) 'windows) "" "lib"))
(windows "")
(else "lib")))
(define pffi-types
'(int8
uint8
int16
uint16
int32
uint32
int64
uint64
char
unsigned-char
short
unsigned-short
int
unsigned-int
long
unsigned-long
float
double
string
pointer
void))
(define string-split
(lambda (str mark)
(let* ((str-l (string->list str))
(res (list))
(last-index 0)
(index 0)
(splitter (lambda (c)
(cond ((char=? c mark)
(begin
(set! res (append res (list (string-copy str last-index index))))
(set! last-index (+ index 1))))
((equal? (length str-l) (+ index 1))
(set! res (append res (list (string-copy str last-index (+ index 1)))))))
(set! index (+ index 1)))))
(for-each splitter str-l)
res)))
(define auto-load-paths
(append
(cond-expand
(windows
(append
(if (get-environment-variable "SYSTEM")
(list (get-environment-variable "SYSTEM"))
(list))
(if (get-environment-variable "WINDIR")
(list (get-environment-variable "WINDIR"))
(list))
(if (get-environment-variable "WINEDLLDIR0")
(list (get-environment-variable "WINEDLLDIR0"))
(list))
(if (get-environment-variable "SystemRoot")
(list (string-append
(get-environment-variable "SystemRoot")
slash
"system32"))
(list))
(list ".")
(if (get-environment-variable "PATH")
(string-split (get-environment-variable "PATH") #\;)
(list))))
(else
(append
; Guix
(list (if (get-environment-variable "GUIX_ENVIRONMENT")
(string-append (get-environment-variable "GUIX_ENVIRONMENT") "/lib")
"")
"/run/current-system/profile/lib")
; Debian
(if (get-environment-variable "LD_LIBRARY_PATH")
(list (string-split (get-environment-variable "LD_LIBRARY_PATH") #\:))
(list))
(list
;;; x86-64
; Debian
"/lib/x86_64-linux-gnu"
"/usr/lib/x86_64-linux-gnu"
"/usr/local/lib"
; Fedora/Alpine
"/usr/lib"
"/usr/lib64"
;;; aarch64
; Debian
"/lib/aarch64-linux-gnu"
"/usr/lib/aarch64-linux-gnu"
"/usr/local/lib"
; Fedora/Alpine
"/usr/lib"
"/usr/lib64"
))))))
(define auto-load-versions (list ""))
(define-syntax pffi-shared-object-auto-load
(syntax-rules ()
((pffi-shared-object-auto-load headers additional-paths object-name additional-versions)
(cond-expand
(cyclone (pffi-shared-object-load headers))
(chicken (pffi-shared-object-load headers))
(gambit (pffi-shared-object-load headers))
(else
(let* ((paths (append auto-load-paths additional-paths))
(versions (append auto-load-versions additional-versions))
(shared-object #f))
(for-each
(lambda (path)
(for-each
(lambda (version)
(let ((library-path (string-append path
slash
platform-lib-prefix
object-name
platform-file-extension
version)))
(if (file-exists? library-path)
(set! shared-object library-path))))
versions))
paths)
(if (not shared-object)
(error "Could not load shared object"
(list (cons 'object object-name)
(cons 'paths paths)
(cons 'platform-file-extension platform-file-extension)
(cons 'versions versions)))
(pffi-shared-object-load headers shared-object))))))))
(cond-expand
(kawa (include "kawa.scm"))
(else #t))))

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(define-library
(retropikzel r7rs-pffi version main)
(cond-expand
(sagittarius
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context)
(retropikzel r7rs-pffi version sagittarius)))
(guile
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context)
(retropikzel r7rs-pffi version guile)))
(racket
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context)
(only (racket base) system-type)
(retropikzel r7rs-pffi version racket)))
(stklos
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context)
(stklos)
(retropikzel r7rs-pffi version stklos)))
(kawa
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context)))
(cyclone
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context)
(retropikzel r7rs-pffi version cyclone)))
(gambit
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context)
(retropikzel r7rs-pffi version gambit)))
(chicken
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context)
(retropikzel r7rs-pffi version chicken)))
(chibi
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context)
(retropikzel r7rs-pffi version chibi)))
(mit-scheme
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context)
(retropikzel r7rs-pffi version mit-scheme))))
(export pffi-shared-object-auto-load
pffi-shared-object-load
pffi-define
pffi-define-callback
pffi-size-of
pffi-pointer-allocate
pffi-pointer-null
pffi-string->pointer
pffi-pointer->string
pffi-pointer-free
pffi-pointer?
pffi-pointer-null?
pffi-pointer-set!
pffi-pointer-get
pffi-pointer-deref)
(begin
#|doc Testing multiline comment |#
(define library-version "v0-3-0")
(define slash (cond-expand (windows (string #\\)) (else "/")))
(define platform-file-extension
(cond-expand
(racket (if (equal? (system-type 'os) 'windows) ".dll" ".so"))
(windows ".dll")
(else ".so")))
(define platform-lib-prefix
(cond-expand
(racket (if (equal? (system-type 'os) 'windows) "" "lib"))
(windows "")
(else "lib")))
(define pffi-types
'(int8
uint8
int16
uint16
int32
uint32
int64
uint64
char
unsigned-char
short
unsigned-short
int
unsigned-int
long
unsigned-long
float
double
string
pointer
void))
(define string-split
(lambda (str mark)
(let* ((str-l (string->list str))
(res (list))
(last-index 0)
(index 0)
(splitter (lambda (c)
(cond ((char=? c mark)
(begin
(set! res (append res (list (string-copy str last-index index))))
(set! last-index (+ index 1))))
((equal? (length str-l) (+ index 1))
(set! res (append res (list (string-copy str last-index (+ index 1)))))))
(set! index (+ index 1)))))
(for-each splitter str-l)
res)))
(define auto-load-paths
(append
(cond-expand
(windows
(append
(if (get-environment-variable "SYSTEM")
(list (get-environment-variable "SYSTEM"))
(list))
(if (get-environment-variable "WINDIR")
(list (get-environment-variable "WINDIR"))
(list))
(if (get-environment-variable "WINEDLLDIR0")
(list (get-environment-variable "WINEDLLDIR0"))
(list))
(if (get-environment-variable "SystemRoot")
(list (string-append
(get-environment-variable "SystemRoot")
slash
"system32"))
(list))
(list ".")
(if (get-environment-variable "PATH")
(string-split (get-environment-variable "PATH") #\;)
(list))))
(else
(append
; Guix
(list (if (get-environment-variable "GUIX_ENVIRONMENT")
(string-append (get-environment-variable "GUIX_ENVIRONMENT") "/lib")
"")
"/run/current-system/profile/lib")
; Debian
(if (get-environment-variable "LD_LIBRARY_PATH")
(list (string-split (get-environment-variable "LD_LIBRARY_PATH") #\:))
(list))
(list
;;; x86-64
; Debian
"/lib/x86_64-linux-gnu"
"/usr/lib/x86_64-linux-gnu"
"/usr/local/lib"
; Fedora/Alpine
"/usr/lib"
"/usr/lib64"
;;; aarch64
; Debian
"/lib/aarch64-linux-gnu"
"/usr/lib/aarch64-linux-gnu"
"/usr/local/lib"
; Fedora/Alpine
"/usr/lib"
"/usr/lib64"
))))))
(define auto-load-versions (list ""))
(define-syntax pffi-shared-object-auto-load
(syntax-rules ()
((pffi-shared-object-auto-load headers additional-paths object-name additional-versions)
(cond-expand
(cyclone (pffi-shared-object-load headers))
(chicken (pffi-shared-object-load headers))
(gambit (pffi-shared-object-load headers))
(else
(let* ((paths (append auto-load-paths additional-paths))
(versions (append auto-load-versions additional-versions))
(shared-object #f))
(for-each
(lambda (path)
(for-each
(lambda (version)
(let ((library-path (string-append path
slash
platform-lib-prefix
object-name
platform-file-extension
version)))
(if (file-exists? library-path)
(set! shared-object library-path))))
versions))
paths)
(if (not shared-object)
(error "Could not load shared object"
(list (cons 'object object-name)
(cons 'paths paths)
(cons 'platform-file-extension platform-file-extension)
(cons 'versions versions)))
(pffi-shared-object-load headers shared-object))))))))
(cond-expand
(kawa (include "kawa.scm"))
(else #t))))

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@ -1,32 +1,32 @@
(define-library
(retropikzel r7rs-pffi v0-4-0 main)
(retropikzel r7rs-pffi version main)
(cond-expand
(sagittarius
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context)
(retropikzel r7rs-pffi v0-4-0 sagittarius)))
(retropikzel r7rs-pffi version sagittarius)))
(guile
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context)
(retropikzel r7rs-pffi v0-4-0 guile)))
(retropikzel r7rs-pffi version guile)))
(racket
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context)
(only (racket base) system-type)
(retropikzel r7rs-pffi v0-4-0 racket)))
(retropikzel r7rs-pffi version racket)))
(stklos
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context)
(stklos)
(retropikzel r7rs-pffi v0-4-0 stklos)))
(retropikzel r7rs-pffi version stklos)))
(kawa
(import (scheme base)
(scheme write)
@ -37,31 +37,31 @@
(scheme write)
(scheme file)
(scheme process-context)
(retropikzel r7rs-pffi v0-4-0 cyclone)))
(retropikzel r7rs-pffi version cyclone)))
(gambit
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context)
(retropikzel r7rs-pffi v0-4-0 gambit)))
(retropikzel r7rs-pffi version gambit)))
(chicken
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context)
(retropikzel r7rs-pffi v0-4-0 chicken)))
(retropikzel r7rs-pffi version chicken)))
(chibi
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context)
(retropikzel r7rs-pffi v0-4-0 chibi)))
(retropikzel r7rs-pffi version chibi)))
(mit-scheme
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context)
(retropikzel r7rs-pffi v0-4-0 mit-scheme))))
(retropikzel r7rs-pffi version mit-scheme))))
(export pffi-shared-object-auto-load
pffi-shared-object-load
pffi-define

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@ -0,0 +1,118 @@
(define-library
(retropikzel r7rs-pffi version racket)
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context)
(compatibility mlist)
(ffi unsafe)
(ffi vector))
(export pffi-shared-object-load
pffi-define
pffi-define-callback
pffi-size-of
pffi-pointer-allocate
pffi-pointer-null
pffi-string->pointer
pffi-pointer->string
pffi-pointer-free
pffi-pointer?
pffi-pointer-null?
pffi-pointer-set!
pffi-pointer-get
pffi-pointer-deref)
(begin
(define pffi-type->native-type
(lambda (type)
(cond ((equal? type 'int8) _int8)
((equal? type 'uint8) _uint8)
((equal? type 'int16) _int16)
((equal? type 'uint16) _uint16)
((equal? type 'int32) _int32)
((equal? type 'uint32) _uint32)
((equal? type 'int64) _int64)
((equal? type 'uint64) _uint64)
((equal? type 'char) _int)
((equal? type 'unsigned-char) _int)
((equal? type 'short) _short)
((equal? type 'unsigned-short) _ushort)
((equal? type 'int) _int)
((equal? type 'unsigned-int) _uint)
((equal? type 'long) _long)
((equal? type 'unsigned-long) _ulong)
((equal? type 'float) _float)
((equal? type 'double) _double)
((equal? type 'pointer) _pointer)
((equal? type 'string) _pointer)
((equal? type 'void) _void)
((equal? type 'callback) _pointer)
(else (error "pffi-type->native-type -- No such pffi type" type)))))
(define pffi-pointer?
(lambda (object)
(cpointer? object)))
(define-syntax pffi-define
(syntax-rules ()
((pffi-define scheme-name shared-object c-name return-type argument-types)
(define scheme-name
(get-ffi-obj c-name
shared-object
(_cprocedure (mlist->list (map pffi-type->native-type argument-types))
(pffi-type->native-type return-type)))))))
(define-syntax pffi-define-callback
(syntax-rules ()
((pffi-define-callback scheme-name return-type argument-types procedure)
(define scheme-name (function-ptr procedure
(_cprocedure
(mlist->list (map pffi-type->native-type argument-types))
(pffi-type->native-type return-type)))
))))
(define pffi-size-of
(lambda (type)
(ctype-sizeof (pffi-type->native-type type))))
(define pffi-pointer-allocate
(lambda (size)
(malloc size 'raw)))
(define pffi-pointer-null
(lambda ()
#f ; In racket #f is null pointer
))
(define pffi-string->pointer
(lambda (string-content)
(cast string-content _string _pointer)))
(define pffi-pointer->string
(lambda (pointer)
(cast pointer _pointer _string)))
(define pffi-shared-object-load
(lambda (header path)
(ffi-lib path)))
(define pffi-pointer-free
(lambda (pointer)
(free pointer)))
(define pffi-pointer-null?
(lambda (pointer)
(not pointer) ; #f is the null pointer on racket
))
(define pffi-pointer-set!
(lambda (pointer type offset value)
(ptr-set! pointer (pffi-type->native-type type) offset value)))
(define pffi-pointer-get
(lambda (pointer type offset)
(ptr-ref pointer (pffi-type->native-type type) offset)))
(define pffi-pointer-deref
(lambda (pointer)
pointer))))

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@ -0,0 +1,171 @@
(define-library
(retropikzel r7rs-pffi version sagittarius)
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context)
(sagittarius ffi)
(sagittarius))
(export pffi-shared-object-load
pffi-define
pffi-define-callback
pffi-size-of
pffi-pointer-allocate
pffi-pointer-null
pffi-string->pointer
pffi-pointer->string
pffi-pointer-free
pffi-pointer?
pffi-pointer-null?
pffi-pointer-set!
pffi-pointer-get
pffi-pointer-deref)
(begin
(define pffi-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 'string) 'char*)
((equal? type 'void) 'void)
((equal? type 'callback) 'callback)
(else (error "pffi-type->native-type -- No such pffi type" type)))))
(define pffi-pointer? (lambda (object) (pointer? object)))
(define-syntax pffi-define
(syntax-rules ()
((pffi-define scheme-name shared-object c-name return-type argument-types)
(define scheme-name
(make-c-function shared-object
(pffi-type->native-type return-type)
c-name
(map pffi-type->native-type argument-types))))))
(define-syntax pffi-define-callback
(syntax-rules ()
((pffi-define-callback scheme-name return-type argument-types procedure)
(define scheme-name
(make-c-callback (pffi-type->native-type return-type)
(map pffi-type->native-type argument-types)
procedure)))))
(define pffi-size-of
(lambda (type)
(cond ((eq? type 'int8) size-of-int8_t)
((eq? type 'uint8) size-of-uint8_t)
((eq? type 'int16) size-of-int16_t)
((eq? type 'uint16) size-of-uint16_t)
((eq? type 'int32) size-of-int32_t)
((eq? type 'uint32) size-of-uint32_t)
((eq? type 'int64) size-of-int64_t)
((eq? type 'uint64) size-of-uint64_t)
((eq? type 'char) size-of-char)
((eq? type 'unsigned-char) size-of-char)
((eq? type 'short) size-of-short)
((eq? type 'unsigned-short) size-of-unsigned-short)
((eq? type 'int) size-of-int)
((eq? type 'unsigned-int) size-of-unsigned-int)
((eq? type 'long) size-of-long)
((eq? type 'unsigned-long) size-of-unsigned-long)
((eq? type 'float) size-of-float)
((eq? type 'double) size-of-double)
((eq? type 'string) size-of-void*)
((eq? type 'pointer) size-of-void*)
(else (error "Can not get size of unknown type" type)))))
(define pffi-pointer-allocate
(lambda (size)
(c-malloc size)))
(define pffi-pointer-null
(lambda ()
(integer->pointer 0)))
(define pffi-string->pointer
(lambda (string-content)
string-content))
(define pffi-pointer->string
(lambda (pointer)
(if (string? pointer)
pointer
(pointer->string pointer))))
(define pffi-shared-object-load
(lambda (header path)
(open-shared-library path)))
(define pffi-pointer-free
(lambda (pointer)
(c-free pointer)))
(define pffi-pointer-null?
(lambda (pointer)
(null-pointer? pointer)))
(define pffi-pointer-set!
(lambda (pointer type offset value)
(let ((p pointer))
(cond ((equal? type 'int8) (pointer-set-c-int8_t! p offset value))
((equal? type 'uint8) (pointer-set-c-uint8_t! p offset value))
((equal? type 'int16) (pointer-set-c-int16_t! p offset value))
((equal? type 'uint16) (pointer-set-c-uint16_t! p offset value))
((equal? type 'int32) (pointer-set-c-int32_t! p offset value))
((equal? type 'uint32) (pointer-set-c-uint32_t! p offset value))
((equal? type 'int64) (pointer-set-c-int64_t! p offset value))
((equal? type 'uint64) (pointer-set-c-uint64_t! p offset value))
((equal? type 'char) (pointer-set-c-char! p offset value))
((equal? type 'short) (pointer-set-c-short! p offset value))
((equal? type 'unsigned-short) (pointer-set-c-unsigned-short! p offset value))
((equal? type 'int) (pointer-set-c-int! p offset value))
((equal? type 'unsigned-int) (pointer-set-c-unsigned-int! p offset value))
((equal? type 'long) (pointer-set-c-long! p offset value))
((equal? type 'unsigned-long) (pointer-set-c-unsigned-long! p offset value))
((equal? type 'float) (pointer-set-c-float! p offset value))
((equal? type 'double) (pointer-set-c-double! p offset value))
((equal? type 'void*) (pointer-set-c-pointer p offset value))))))
(define pffi-pointer-get
(lambda (pointer type offset)
(let ((p pointer)
(native-type (pffi-type->native-type type)))
(cond ((equal? native-type 'int8_t) (pointer-ref-c-int8_t p offset))
((equal? native-type 'uint8_t) (pointer-ref-c-uint8_t p offset))
((equal? native-type 'int16_t) (pointer-ref-c-int16_t p offset))
((equal? native-type 'uint16_t) (pointer-ref-c-uint16_t p offset))
((equal? native-type 'int32_t) (pointer-ref-c-int32_t p offset))
((equal? native-type 'uint32_t) (pointer-ref-c-uint32_t p offset))
((equal? native-type 'int64_t) (pointer-ref-c-int64_t p offset))
((equal? native-type 'uint64_t) (pointer-ref-c-uint64_t p offset))
((equal? native-type 'char) (pointer-ref-c-char p offset))
((equal? native-type 'short) (pointer-set-c-short p offset value))
((equal? native-type 'unsigned-short) (pointer-ref-c-unsigned-short p offset))
((equal? native-type 'int) (pointer-ref-c-int p offset))
((equal? native-type 'unsigned-int) (pointer-ref-c-unsigned-int p offset))
((equal? native-type 'long) (pointer-ref-c-long p offset))
((equal? native-type 'unsigned-long) (pointer-ref-c-unsigned-long p offset))
((equal? native-type 'float) (pointer-ref-c-float p offset))
((equal? native-type 'double) (pointer-ref-c-double p offset))
((equal? native-type 'void*) (pointer-ref-c-pointer p offset))))))
(define pffi-pointer-deref
(lambda (pointer)
(deref pointer 0)))))

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@ -0,0 +1,105 @@
(define-library
(retropikzel r7rs-pffi version stklos)
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context)
(stklos))
(export pffi-define
pffi-pointer->string
pffi-pointer-allocate
pffi-pointer-deref
pffi-pointer-free
pffi-pointer-get
pffi-pointer-null
pffi-pointer-null?
pffi-pointer-set!
pffi-pointer?
pffi-shared-object-load
pffi-size-of
pffi-string->pointer)
(begin
(define pffi-type->native-type
(lambda (type)
(cond ((equal? type 'int8) :int)
((equal? type 'uint8) :uint)
((equal? type 'int16) :int)
((equal? type 'uint16) :uint)
((equal? type 'int32) :int)
((equal? type 'uint32) :uint)
((equal? type 'int64) :int)
((equal? type 'uint64) :uint)
((equal? type 'char) :char)
((equal? type 'unsigned-char) :uchar)
((equal? type 'short) :short)
((equal? type 'unsigned-short) :ushort)
((equal? type 'int) :int)
((equal? type 'unsigned-int) :uint)
((equal? type 'long) :long)
((equal? type 'unsigned-long) :ulong)
((equal? type 'float) :float)
((equal? type 'double) :double)
((equal? type 'pointer) :pointer)
((equal? type 'string) :string)
((equal? type 'void) :void)
(else (error "pffi-type->native-type -- No such pffi type" type)))))
(define pffi-pointer?
(lambda (object)
(cpointer? object)))
(define-syntax pffi-define
(syntax-rules ()
((pffi-define scheme-name shared-object c-name return-type argument-types)
(define scheme-name
(make-external-function
(symbol->string c-name)
(map pffi-type->native-type argument-types)
(pffi-type->native-type return-type)
shared-object)))))
(define pffi-size-of
(lambda (type)
(error "Not implemented")))
(define pffi-pointer-allocate
(lambda (size)
(allocate-bytes size)))
(define pffi-pointer-null
(lambda ()
(let ((p (allocate-bytes 0))) (cpointer-data-set! p 0) p)))
(define pffi-string->pointer
(lambda (string-content)
string-content))
(define pffi-pointer->string
(lambda (pointer)
pointer))
(define pffi-shared-object-load
(lambda (header path)
path))
(define pffi-pointer-free
(lambda (pointer)
(free-bytes pointer)))
(define pffi-pointer-null?
(lambda (pointer)
(cpointer-null? pointer)))
(define pffi-pointer-set!
(lambda (pointer type offset value)
(error "Not implemented")))
(define pffi-pointer-get
(lambda (pointer type offset)
(error "Not implemented")))
(define pffi-pointer-deref
(lambda (pointer)
(error "Not implemented")))))

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(define-library
(retropikzel r7rs-pffi version chicken)
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context)
(chicken foreign)
(chicken syntax)
(chicken memory)
(chicken random))
(export pffi-shared-object-load
pffi-define
pffi-define-callback
pffi-size-of
pffi-pointer-allocate
pffi-pointer-null
pffi-string->pointer
pffi-pointer->string
pffi-pointer-free
pffi-pointer?
pffi-pointer-null?
pffi-pointer-set!
pffi-pointer-get
pffi-pointer-deref)
(begin
(define pffi-type->native-type
(lambda (type)
(cond ((equal? type 'int8) 'byte)
((equal? type 'uint8) 'unsigned-byte)
((equal? type 'int16) 'int16_t)
((equal? type 'uint16) 'uint16_t)
((equal? type 'int32) 'int32)
((equal? type 'uint32) 'unsigned-int32)
((equal? type 'int64) 'integer-64)
((equal? type 'uint64) 'unsigned-integer64)
((equal? type 'char) 'char)
((equal? type 'unsigned-char) 'unsigned-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) 'c-pointer)
((equal? type 'string) 'c-string)
((equal? type 'void) 'void)
((equal? type 'callback) 'c-pointer)
(else (error "pffi-type->native-type -- No such pffi type" type)))) )
(define pffi-pointer?
(lambda (object)
(pointer? object)))
(define-syntax pffi-define
(er-macro-transformer
(lambda (expr rename compare)
(let* ((pffi-type->native-type
(lambda (type)
(cond ((equal? type 'int8) 'byte)
((equal? type 'uint8) 'unsigned-byte)
((equal? type 'int16) 'int16_t)
((equal? type 'uint16) 'uint16_t)
((equal? type 'int32) 'int32)
((equal? type 'uint32) 'unsigned-int32)
((equal? type 'int64) 'integer-64)
((equal? type 'uint64) 'unsigned-integer64)
((equal? type 'char) 'char)
((equal? type 'unsigned-char) 'unsigned-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) 'c-pointer)
((equal? type 'string) 'c-string)
((equal? type 'void) 'void)
((equal? type 'callback) 'c-pointer)
(else (error "pffi-type->native-type -- No such pffi type" type)))))
(scheme-name (car (cdr expr)))
(c-name (symbol->string (car (cdr (car (cdr (cdr (cdr expr))))))))
(return-type (pffi-type->native-type (car (cdr (car (cdr (cdr (cdr (cdr expr)))))))))
(argument-types
(let ((types (cdr (car (cdr (cdr (cdr (cdr (cdr expr)))))))))
(if (null? types)
'()
(map pffi-type->native-type (map car (map cdr types)))))))
(if (null? argument-types)
`(define ,scheme-name
(foreign-safe-lambda ,return-type ,c-name))
`(define ,scheme-name
(foreign-safe-lambda ,return-type ,c-name ,@ argument-types)))))))
(define-syntax pffi-define-callback
(er-macro-transformer
(lambda (expr rename compare)
(let* ((pffi-type->native-type
(lambda (type)
(cond ((equal? type 'int8) 'byte)
((equal? type 'uint8) 'unsigned-byte)
((equal? type 'int16) 'int16_t)
((equal? type 'uint16) 'uint16_t)
((equal? type 'int32) 'int32)
((equal? type 'uint32) 'unsigned-int32)
((equal? type 'int64) 'integer-64)
((equal? type 'uint64) 'unsigned-integer64)
((equal? type 'char) 'char)
((equal? type 'unsigned-char) 'unsigned-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) 'c-pointer)
((equal? type 'string) 'c-string)
((equal? type 'void) 'void)
((equal? type 'callback) 'c-pointer)
(else (error "pffi-type->native-type -- No such pffi type" type)))))
(scheme-name (car (cdr expr)))
(return-type (pffi-type->native-type (car (cdr (car (cdr (cdr expr)))))))
(argument-types
(let ((types (cdr (car (cdr (cdr (cdr expr)))))))
(if (null? types)
'()
(map pffi-type->native-type (map car (map cdr types))))))
(argument-names (car (cdr (car (cdr (cdr (cdr (cdr expr))))))))
(arguments (map
(lambda (name type)
`(,name ,type))
argument-types argument-names))
(procedure-body (cdr (cdr (car (cdr (cdr (cdr (cdr expr)))))))))
`(begin (define-external ,(cons 'external_123456789 arguments)
,return-type
(begin ,@ procedure-body))
(define ,scheme-name (location external_123456789)))
))))
(define-syntax pffi-size-of
(er-macro-transformer
(lambda (expr rename compare)
(let ((type (car (cdr (car (cdr expr))))))
(cond ((equal? type 'int8) `(foreign-value "sizeof(int8_t)" int))
((equal? type 'uint8) `(foreign-value "sizeof(uint8_t)" int))
((equal? type 'int16) `(foreign-value "sizeof(int16_t)" int))
((equal? type 'uint16) `(foreign-value "sizeof(uint16_t)" int))
((equal? type 'int32) `(foreign-value "sizeof(int32_t)" int))
((equal? type 'uint32) `(foreign-value "sizeof(uint32_t)" int))
((equal? type 'int64) `(foreign-value "sizeof(int64_t)" int))
((equal? type 'uint64) `(foreign-value "sizeof(uint64_t)" int))
((equal? type 'char) `(foreign-value "sizeof(char)" int))
((equal? type 'unsigned-char) `(foreign-value "sizeof(unsigned char)" int))
((equal? type 'short) `(foreign-value "sizeof(short)" int))
((equal? type 'unsigned-short) `(foreign-value "sizeof(unsigned short)" int))
((equal? type 'int) `(foreign-value "sizeof(int)" int))
((equal? type 'unsigned-int) `(foreign-value "sizeof(unsigned int)" int))
((equal? type 'long) `(foreign-value "sizeof(long)" int))
((equal? type 'unsigned-long) `(foreign-value "sizeof(unsigned long)" int))
((equal? type 'float) `(foreign-value "sizeof(float)" int))
((equal? type 'double) `(foreign-value "sizeof(double)" int))
((equal? type 'pointer) `(foreign-value "sizeof(int)" int))
(else `(error "pffi-size-of -- No such pffi type" type)))))))
(define pffi-pointer-allocate
(lambda (size)
(allocate size)))
(define pffi-pointer-null
(lambda ()
(address->pointer 0)))
(define pffi-string->pointer
(lambda (string-content)
(location string-content)))
(pffi-define strlen #f 'strlen 'int (list 'pointer))
(define pffi-pointer->string
(lambda (pointer)
(if (string? pointer)
pointer
(let* ((size (strlen pointer))
(string-content (make-string size)))
(move-memory! pointer string-content size 0)
string-content))))
(define-syntax pffi-shared-object-load
(er-macro-transformer
(lambda (expr rename compare)
(let* ((headers (cdr (car (cdr expr)))))
`(begin
,@ (map
(lambda (header)
`(foreign-declare ,(string-append "#include <" header ">")))
headers))))))
(define pffi-pointer-free
(lambda (pointer)
(free pointer)))
(define pffi-pointer-null?
(lambda (pointer)
(and (pffi-pointer? pointer)
(= (pointer->address pointer) 0))))
(define pffi-pointer-set!
(lambda (pointer type offset value)
(cond
((equal? type 'int8) (pointer-s8-set! (pointer+ pointer offset) value))
((equal? type 'uint8) (pointer-u8-set! (pointer+ pointer offset) value))
((equal? type 'int16) (pointer-s16-set! (pointer+ pointer offset) value))
((equal? type 'uint16) (pointer-u16-set! (pointer+ pointer offset) value))
((equal? type 'int32) (pointer-s32-set! (pointer+ pointer offset) value))
((equal? type 'uint32) (pointer-u32-set! (pointer+ pointer offset) value))
((equal? type 'int64) (pointer-s64-set! (pointer+ pointer offset) value))
((equal? type 'uint64) (pointer-u64-set! (pointer+ pointer offset) value))
((equal? type 'char) (pointer-s8-set! (pointer+ pointer offset) value))
((equal? type 'short) (pointer-s8-set! (pointer+ pointer offset) value))
((equal? type 'unsigned-short) (pointer-u8-set! (pointer+ pointer offset) value))
((equal? type 'int) (pointer-s32-set! (pointer+ pointer offset) value))
((equal? type 'unsigned-int) (pointer-u32-set! (pointer+ pointer offset) value))
((equal? type 'long) (pointer-s32-set! (pointer+ pointer offset) value))
((equal? type 'unsigned-long) (pointer-u32-set! (pointer+ pointer offset) value))
((equal? type 'float) (pointer-s32-set! (pointer+ pointer offset) value))
((equal? type 'double) (pointer-s32-set! (pointer+ pointer offset) value))
((equal? type 'pointer) (pointer-u32-set! (pointer+ pointer offset) value)))))
(define pffi-pointer-get
(lambda (pointer type offset)
(cond
((equal? type 'int8) (pointer-s8-ref (pointer+ pointer offset)))
((equal? type 'uint8) (pointer-u8-ref (pointer+ pointer offset)))
((equal? type 'int16) (pointer-s16-ref (pointer+ pointer offset)))
((equal? type 'uint16) (pointer-u16-ref (pointer+ pointer offset)))
((equal? type 'int32) (pointer-s32-ref (pointer+ pointer offset)))
((equal? type 'uint32) (pointer-u32-ref (pointer+ pointer offset)))
((equal? type 'int64) (pointer-s64-ref (pointer+ pointer offset)))
((equal? type 'uint64) (pointer-u64-ref (pointer+ pointer offset)))
((equal? type 'char) (pointer-s8-ref (pointer+ pointer offset)))
((equal? type 'short) (pointer-s8-ref (pointer+ pointer offset)))
((equal? type 'unsigned-short) (pointer-u8-ref (pointer+ pointer offset)))
((equal? type 'int) (pointer-s32-ref (pointer+ pointer offset)))
((equal? type 'unsigned-int) (pointer-u32-ref (pointer+ pointer offset)))
((equal? type 'long) (pointer-s32-ref (pointer+ pointer offset)))
((equal? type 'unsigned-long) (pointer-u32-ref (pointer+ pointer offset)))
((equal? type 'float) (pointer-s32-ref (pointer+ pointer offset)))
((equal? type 'double) (pointer-s32-ref (pointer+ pointer offset)))
((equal? type 'pointer) (pointer-u32-ref (pointer+ pointer offset))))))
(define pffi-pointer-deref
(lambda (pointer)
pointer))))

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(define-library
(retropikzel r7rs-pffi version cyclone)
(import (scheme base)
(scheme write)
(scheme file)
(scheme eval)
(scheme process-context)
(scheme eval)
(cyclone foreign)
(scheme cyclone primitives))
(export pffi-shared-object-load
pffi-define
pffi-size-of
pffi-pointer-allocate
pffi-pointer-null
pffi-string->pointer
pffi-pointer->string
pffi-pointer-free
pffi-pointer?
pffi-pointer-null?
pffi-pointer-set!
pffi-pointer-get
pffi-pointer-deref)
(begin
(define pffi-type->native-type
(lambda (type)
(cond ((equal? type 'int8) int)
((equal? type 'uint8) int)
((equal? type 'int16) int)
((equal? type 'uint16) int)
((equal? type 'int32) int)
((equal? type 'uint32) int)
((equal? type 'int64) int)
((equal? type 'uint64) int)
((equal? type 'char) char)
((equal? type 'unsigned-char) char)
((equal? type 'short) int)
((equal? type 'unsigned-short) int)
((equal? type 'int) int)
((equal? type 'unsigned-int) int)
((equal? type 'long) int)
((equal? type 'unsigned-long) int)
((equal? type 'float) float)
((equal? type 'double) double)
((equal? type 'pointer) opaque)
((equal? type 'string) string)
((equal? type 'void) c-void)
(else (error "pffi-type->native-type -- No such pffi type" type)))))
(define pffi-pointer?
(lambda (object)
(error "Not defined")))
(define-syntax pffi-define
(er-macro-transformer
(lambda (expr rename compare)
(let* ((pffi-type->native-type
(lambda (type)
(cond ((equal? type 'int8) 'byte)
((equal? type 'uint8) 'unsigned-byte)
((equal? type 'int16) 'int16_t)
((equal? type 'uint16) 'uint16_t)
((equal? type 'int32) 'int32)
((equal? type 'uint32) 'unsigned-int32)
((equal? type 'int64) 'integer-64)
((equal? type 'uint64) 'unsigned-integer64)
((equal? type 'char) 'char)
((equal? type 'unsigned-char) 'unsigned-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) 'c-pointer)
((equal? type 'string) 'c-string)
((equal? type 'void) 'void)
(else (error "pffi-type->native-type -- No such pffi type" type)))))
(scheme-name (car (cdr expr)))
(c-name (symbol->string (car (cdr (car (cdr (cdr (cdr expr))))))))
(return-type (pffi-type->native-type (car (cdr (car (cdr (cdr (cdr (cdr expr)))))))))
(argument-types
(let ((types (cdr (car (cdr (cdr (cdr (cdr (cdr expr)))))))))
(if (null? types)
'()
(map pffi-type->native-type (map car (map cdr types)))))))
(if (null? argument-types)
`(c-define ,scheme-name ,return-type ,c-name)
`(c-define ,scheme-name
,return-type ,c-name ,@ argument-types))))))
(define pffi-size-of
(lambda (type)
(error "Not defined")))
(define pffi-pointer-allocate
(lambda (size)
(error "Not defined")))
(define pffi-pointer-null
(lambda ()
(error "Not defined")))
(define pffi-string->pointer
(lambda (string-content)
(error "Not defined")))
(define pffi-pointer->string
(lambda (pointer)
pointer))
(define-syntax pffi-shared-object-load
(er-macro-transformer
(lambda (expr rename compare)
`(begin
,@ (map
(lambda (header)
`(include-c-header ,(string-append "<" header ">")))
(cdr (car (cdr expr))))))))
(define pffi-pointer-free
(lambda (pointer)
(error "Not defined")))
(define pffi-pointer-null?
(lambda (pointer)
(error "Not defined")))
(define pffi-pointer-set!
(lambda (pointer type offset value)
(let ((p pointer))
(error "Not defined"))))
(define pffi-pointer-get
(lambda (pointer type offset)
(error "Not defined")))
(define pffi-pointer-deref
(lambda (pointer)
(error "Not defined")))))

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(define-library
(retropikzel r7rs-pffi version empty)
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context))
(export pffi-shared-object-load
pffi-define
pffi-size-of
pffi-pointer-allocate
pffi-pointer-null
pffi-string->pointer
pffi-pointer->string
pffi-pointer-free
pffi-pointer?
pffi-pointer-null?
pffi-pointer-set!
pffi-pointer-get
pffi-pointer-deref)
(begin
(define pffi-type->native-type
(lambda (type)
(error "Not defined")))
(define pffi-pointer?
(lambda (object)
(error "Not defined")))
(define-syntax pffi-define
(syntax-rules ()
((pffi-define scheme-name shared-object c-name return-type argument-types)
(error "Not defined"))))
(define pffi-size-of
(lambda (type)
(error "Not defined")))
(define pffi-pointer-allocate
(lambda (size)
(error "Not defined")))
(define pffi-pointer-null
(lambda ()
(error "Not defined")))
(define pffi-string->pointer
(lambda (string-content)
(error "Not defined")))
(define pffi-pointer->string
(lambda (pointer)
pointer))
(define pffi-shared-object-load
(lambda (header path)
(error "Not defined")))
(define pffi-pointer-free
(lambda (pointer)
(error "Not defined")))
(define pffi-pointer-null?
(lambda (pointer)
(error "Not defined")))
(define pffi-pointer-set!
(lambda (pointer type offset value)
(let ((p pointer))
(error "Not defined"))))
(define pffi-pointer-get
(lambda (pointer type offset)
(error "Not defined")))
(define pffi-pointer-deref
(lambda (pointer)
(error "Not defined")))))

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(define-library
(retropikzel r7rs-pffi version gambit)
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context))
(export pffi-shared-object-load
pffi-define
pffi-size-of
pffi-pointer-allocate
pffi-pointer-null
pffi-string->pointer
pffi-pointer->string
pffi-pointer-free
pffi-pointer?
pffi-pointer-null?
pffi-pointer-set!
pffi-pointer-get
pffi-pointer-deref)
(begin
(define pffi-type->native-type
(lambda (type)
(error "Not defined")))
(define pffi-pointer?
(lambda (object)
(error "Not defined")))
(define pffi-define
(lambda (scheme-name shared-object c-name return-type argument-types)
(error "Not defined")))
(define pffi-size-of
(lambda (type)
(error "Not defined")))
(define pffi-pointer-allocate
(lambda (size)
(error "Not defined")))
(define pffi-pointer-null
(lambda ()
(error "Not defined")))
(define pffi-string->pointer
(lambda (string-content)
(error "Not defined")))
(define pffi-pointer->string
(lambda (pointer)
pointer))
(define pffi-shared-object-load
(lambda (headers)
(error "Not defined")))
(define pffi-pointer-free
(lambda (pointer)
(error "Not defined")))
(define pffi-pointer-null?
(lambda (pointer)
(error "Not defined")))
(define pffi-pointer-set!
(lambda (pointer type offset value)
(let ((p pointer))
(error "Not defined"))))
(define pffi-pointer-get
(lambda (pointer type offset)
(error "Not defined")))
(define pffi-pointer-deref
(lambda (pointer)
(error "Not defined")))))

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(define-library
(retropikzel r7rs-pffi version gerbil)
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context))
(export pffi-shared-object-load
pffi-define
pffi-size-of
pffi-pointer-allocate
pffi-pointer-null
pffi-string->pointer
pffi-pointer->string
pffi-pointer-free
pffi-pointer?
pffi-pointer-null?
pffi-pointer-set!
pffi-pointer-get
pffi-pointer-deref)
(begin
(define pffi-type->native-type
(lambda (type)
(error "Not defined")))
(define pffi-pointer?
(lambda (object)
(error "Not defined")))
(define-syntax pffi-define
(syntax-rules ()
((pffi-define scheme-name shared-object c-name return-type argument-types)
(error "Not defined"))))
(define pffi-size-of
(lambda (type)
(error "Not defined")))
(define pffi-pointer-allocate
(lambda (size)
(error "Not defined")))
(define pffi-pointer-null
(lambda ()
(error "Not defined")))
(define pffi-string->pointer
(lambda (string-content)
(error "Not defined")))
(define pffi-pointer->string
(lambda (pointer)
pointer))
(define pffi-shared-object-load
(lambda (header path)
(error "Not defined")))
(define pffi-pointer-free
(lambda (pointer)
(error "Not defined")))
(define pffi-pointer-null?
(lambda (pointer)
(error "Not defined")))
(define pffi-pointer-set!
(lambda (pointer type offset value)
(let ((p pointer))
(error "Not defined"))))
(define pffi-pointer-get
(lambda (pointer type offset)
(error "Not defined")))
(define pffi-pointer-deref
(lambda (pointer)
(error "Not defined")))))

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(define-library
(retropikzel r7rs-pffi version guile)
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context)
(rnrs bytevectors)
(system foreign)
(system foreign-library))
(export pffi-shared-object-load
pffi-define
pffi-define-callback
pffi-size-of
pffi-pointer-allocate
pffi-pointer-null
pffi-string->pointer
pffi-pointer->string
pffi-pointer-free
pffi-pointer?
pffi-pointer-null?
pffi-pointer-set!
pffi-pointer-get
pffi-pointer-deref)
(begin
(define pffi-type->native-type
(lambda (type)
(cond ((equal? type 'int8) int8)
((equal? type 'uint8) uint8)
((equal? type 'int16) int16)
((equal? type 'uint16) uint16)
((equal? type 'int32) int32)
((equal? type 'uint32) uint32)
((equal? type 'int64) int64)
((equal? type 'uint64) uint64)
((equal? type 'char) int)
((equal? type 'unsigned-char) int)
((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) '*)
((equal? type 'string) '*)
((equal? type 'void) void)
((equal? type 'callback) '*)
(else (error "pffi-type->native-type -- No such pffi type" type)))))
(define pffi-pointer?
(lambda (object)
(pointer? object)))
(define-syntax pffi-define
(syntax-rules ()
((pffi-define scheme-name shared-object c-name return-type argument-types)
(define scheme-name
(foreign-library-function shared-object
(symbol->string c-name)
#:return-type (pffi-type->native-type return-type)
#:arg-types (map pffi-type->native-type argument-types))))))
(define-syntax pffi-define-callback
(syntax-rules ()
((pffi-define scheme-name return-type argument-types procedure)
(define scheme-name
(procedure->pointer (pffi-type->native-type return-type)
procedure
(map pffi-type->native-type argument-types))))))
(define pffi-size-of
(lambda (type)
(sizeof (pffi-type->native-type type))))
(define pffi-pointer-allocate
(lambda (size)
(bytevector->pointer (make-bytevector size 0))))
(define pffi-pointer-null
(lambda ()
(make-pointer 0)))
(define pffi-string->pointer
(lambda (string-content)
(string->pointer string-content)))
(define pffi-pointer->string
(lambda (pointer)
(pointer->string pointer)))
(define pffi-shared-object-load
(lambda (header path)
(load-foreign-library path)))
(define pffi-pointer-free
(lambda (pointer)
#t))
(define pffi-pointer-null?
(lambda (pointer)
(and (pffi-pointer? pointer)
(null-pointer? pointer))))
(define pffi-pointer-set!
(lambda (pointer type offset value)
(let ((p (pointer->bytevector pointer (+ offset 100)))
(native-type (pffi-type->native-type type)))
(cond ((equal? native-type int8) (bytevector-s8-set! p offset value))
((equal? native-type uint8) (bytevector-u8-set! p offset value))
((equal? native-type int16) (bytevector-s16-set! p offset value (native-endianness)))
((equal? native-type uint16) (bytevector-u16-set! p offset value (native-endianness)))
((equal? native-type int32) (bytevector-s32-set! p offset value (native-endianness)))
((equal? native-type uint32) (bytevector-u32-set! p offset value (native-endianness)))
((equal? native-type int64) (bytevector-s64-set! p offset value (native-endianness)))
((equal? native-type uint64) (bytevector-u64-set! p offset value (native-endianness)))
((equal? native-type short) (bytevector-s8-set! p offset value (native-endianness)))
((equal? native-type unsigned-short) (bytevector-u8-set! p offset value))
((equal? native-type int) (bytevector-sint-set! p offset value (native-endianness) (pffi-size-of type)))
((equal? native-type unsigned-int) (bytevector-uint-set! p offset value (native-endianness) (pffi-size-of type)))
((equal? native-type long) (bytevector-s64-set! p offset value (native-endianness)))
((equal? native-type unsigned-long) (bytevector-u64-set! p offset value (native-endianness)))
((equal? native-type float) (bytevector-u64-set! p offset value (native-endianness)))
((equal? native-type double) (bytevector-u64-set! p offset value (native-endianness)))
((equal? native-type '*) (bytevector-sint-set! p offset (pointer-address value) (native-endianness) (pffi-size-of type))))
)))
(define pffi-pointer-get
(lambda (pointer type offset)
(let ((p (pointer->bytevector pointer (+ offset 100)))
(native-type (pffi-type->native-type type)))
(cond ((equal? native-type int8) (bytevector-s8-ref p offset))
((equal? native-type uint8) (bytevector-u8-ref p offset))
((equal? native-type int16) (bytevector-s16-ref p offset (native-endianness)))
((equal? native-type uint16) (bytevector-u16-ref p offset (native-endianness)))
((equal? native-type int32) (bytevector-s32-ref p offset (native-endianness)))
((equal? native-type uint32) (bytevector-u32-ref p offset (native-endianness)))
((equal? native-type int64) (bytevector-s64-ref p offset (native-endianness)))
((equal? native-type uint64) (bytevector-u64-ref p offset (native-endianness)))
((equal? native-type short) (bytevector-s8-ref p offset))
((equal? native-type unsigned-short) (bytevector-u8-ref p offset))
((equal? native-type int) (bytevector-sint-ref p offset (native-endianness) (pffi-size-of type)))
((equal? native-type unsigned-int) (bytevector-uint-ref p offset (native-endianness) (pffi-size-of type)))
((equal? native-type long) (bytevector-s64-ref p offset (native-endianness)))
((equal? native-type unsigned-long) (bytevector-u64-ref p offset (native-endianness)))
((equal? native-type float) (bytevector-u64-ref p offset (native-endianness)))
((equal? native-type double) (bytevector-u64-ref p offset (native-endianness)))
((equal? native-type '*) (make-pointer (bytevector-sint-ref p offset (native-endianness) (pffi-size-of type))))))))
(define pffi-pointer-deref
(lambda (pointer)
(dereference-pointer pointer)))))

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(define arena (invoke-static java.lang.foreign.Arena 'global))
(define value->object
(lambda (value type)
(cond ((equal? type 'byte)
(java.lang.Byte value))
((equal? type 'short)
(java.lang.Short value))
((equal? type 'int)
(java.lang.Integer value))
((equal? type 'long)
(java.lang.Long value))
((equal? type 'float)
(java.lang.Float value))
((equal? type 'double)
(java.lang.Double value))
((equal? type 'char)
(java.lang.Char value))
(else value))))
(define pffi-type->native-type
(lambda (type)
(cond
((equal? type 'int8) (invoke (static-field java.lang.foreign.ValueLayout 'JAVA_INT) 'withByteAlignment 1))
((equal? type 'uint8) (invoke (static-field java.lang.foreign.ValueLayout 'JAVA_INT) 'withByteAlignment 1))
((equal? type 'int16) (invoke (static-field java.lang.foreign.ValueLayout 'JAVA_INT) 'withByteAlignment 2))
((equal? type 'uint16) (invoke (static-field java.lang.foreign.ValueLayout 'JAVA_INT) 'withByteAlignment 2))
((equal? type 'int32) (invoke (static-field java.lang.foreign.ValueLayout 'JAVA_INT) 'withByteAlignment 4))
((equal? type 'uint32) (invoke (static-field java.lang.foreign.ValueLayout 'JAVA_INT) 'withByteAlignment 4))
((equal? type 'int64) (invoke (static-field java.lang.foreign.ValueLayout 'JAVA_INT) 'withByteAlignment 8))
((equal? type 'uint64) (invoke (static-field java.lang.foreign.ValueLayout 'JAVA_INT) 'withByteAlignment 8))
((equal? type 'char) (static-field java.lang.foreign.ValueLayout 'JAVA_CHAR))
((equal? type 'unsigned-char) (static-field java.lang.foreign.ValueLayout 'JAVA_CHAR))
((equal? type 'short) (static-field java.lang.foreign.ValueLayout 'JAVA_SHORT))
((equal? type 'unsigned-short) (static-field java.lang.foreign.ValueLayout 'JAVA_SHORT))
((equal? type 'int) (static-field java.lang.foreign.ValueLayout 'JAVA_INT))
((equal? type 'unsigned-int) (static-field java.lang.foreign.ValueLayout 'JAVA_INT))
((equal? type 'long) (static-field java.lang.foreign.ValueLayout 'JAVA_LONG))
((equal? type 'unsigned-long) (static-field java.lang.foreign.ValueLayout 'JAVA_LONG))
((equal? type 'float) (static-field java.lang.foreign.ValueLayout 'JAVA_FLOAT))
((equal? type 'double) (static-field java.lang.foreign.ValueLayout 'JAVA_DOUBLE))
((equal? type 'pointer) (static-field java.lang.foreign.ValueLayout 'ADDRESS))
((equal? type 'string) (static-field java.lang.foreign.ValueLayout 'ADDRESS))
((equal? type 'void) (static-field java.lang.foreign.ValueLayout 'ADDRESS))
(else (error "pffi-type->native-type -- No such pffi type" type)))))
(define pffi-pointer?
(lambda (object)
(string=? (invoke (invoke object 'getClass) 'getName)
"jdk.internal.foreign.NativeMemorySegmentImpl")))
(define-syntax pffi-define
(syntax-rules ()
((pffi-define scheme-name shared-object c-name return-type argument-types)
(define scheme-name
(let* ((of-void (class-methods java.lang.foreign.FunctionDescriptor 'ofVoid))
(of (class-methods java.lang.foreign.FunctionDescriptor 'of))
(function-descriptor (if (equal? return-type 'void)
(apply of-void (map pffi-type->native-type argument-types))
(apply of (append (list (pffi-type->native-type return-type)) (map pffi-type->native-type argument-types)))))
(method-handle (invoke (cdr (assoc 'linker shared-object))
'downcallHandle
(invoke (invoke (cdr (assoc 'lookup shared-object))
'find
(symbol->string c-name))
'orElseThrow)
function-descriptor)))
(lambda vals
(invoke method-handle 'invokeWithArguments (map value->object vals argument-types))))))))
(define pffi-size-of
(lambda (type)
(invoke (pffi-type->native-type type) 'byteAlignment)))
(define pffi-pointer-allocate
(lambda (size)
(invoke arena 'allocate size 1)))
(define pffi-pointer-null
(lambda ()
(static-field java.lang.foreign.MemorySegment 'NULL)))
(define pffi-string->pointer
(lambda (string-content)
(invoke arena 'allocateUtf8String string-content)))
(define pffi-pointer->string
(lambda (pointer)
(invoke (invoke pointer 'reinterpret (static-field java.lang.Integer 'MAX_VALUE)) 'getUtf8String 0)))
(define pffi-shared-object-load
(lambda (header path)
(let* ((library-file (make java.io.File path))
(file-name (invoke library-file 'getName))
(library-parent-folder (make java.io.File (invoke library-file 'getParent)))
(absolute-path (string-append (invoke library-parent-folder 'getCanonicalPath)
"/"
file-name))
;(set! arena (invoke-static java.lang.foreign.Arena 'ofConfined))
(linker (invoke-static java.lang.foreign.Linker 'nativeLinker))
(lookup (invoke-static java.lang.foreign.SymbolLookup
'libraryLookup
absolute-path
arena)))
(list (cons 'linker linker)
(cons 'lookup lookup)))))
(define pffi-pointer-free
(lambda (pointer)
#t))
(define pffi-pointer-null?
(lambda (pointer)
(invoke pointer 'equals (pffi-pointer-null))))
(define pffi-pointer-set!
(lambda (pointer type offset value)
(invoke pointer 'set (pffi-type->native-type type) offset value)))
(define pffi-pointer-get
(lambda (pointer type offset)
(invoke pointer 'get (pffi-type->native-type type) offset)))
(define pffi-pointer-deref
(lambda (pointer)
(invoke pointer 'get (static-field java.lang.foreign.ValueLayout 'ADDRESS) 0)))

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#lang r7rs
(define-library
(retropikzel r7rs-pffi version main)
(cond-expand
(sagittarius
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context)
(retropikzel r7rs-pffi version sagittarius)))
(guile
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context)
(retropikzel r7rs-pffi version guile)))
(racket
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context)
(only (racket base) system-type)
(retropikzel r7rs-pffi version racket)))
(stklos
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context)
(stklos)
(retropikzel r7rs-pffi version stklos)))
(kawa
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context)))
(cyclone
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context)
(retropikzel r7rs-pffi version cyclone)))
(gambit
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context)
(retropikzel r7rs-pffi version gambit)))
(chicken
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context)
(retropikzel r7rs-pffi version chicken)))
(chibi
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context)
(retropikzel r7rs-pffi version chibi)))
(mit-scheme
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context)
(retropikzel r7rs-pffi version mit-scheme))))
(export pffi-shared-object-auto-load
pffi-shared-object-load
pffi-define
pffi-define-callback
pffi-size-of
pffi-pointer-allocate
pffi-pointer-null
pffi-string->pointer
pffi-pointer->string
pffi-pointer-free
pffi-pointer?
pffi-pointer-null?
pffi-pointer-set!
pffi-pointer-get
pffi-pointer-deref)
(begin
#|doc Testing multiline comment |#
(define library-version "v0-3-0")
(define slash (cond-expand (windows (string #\\)) (else "/")))
(define platform-file-extension
(cond-expand
(racket (if (equal? (system-type 'os) 'windows) ".dll" ".so"))
(windows ".dll")
(else ".so")))
(define platform-lib-prefix
(cond-expand
(racket (if (equal? (system-type 'os) 'windows) "" "lib"))
(windows "")
(else "lib")))
(define pffi-types
'(int8
uint8
int16
uint16
int32
uint32
int64
uint64
char
unsigned-char
short
unsigned-short
int
unsigned-int
long
unsigned-long
float
double
string
pointer
void))
(define string-split
(lambda (str mark)
(let* ((str-l (string->list str))
(res (list))
(last-index 0)
(index 0)
(splitter (lambda (c)
(cond ((char=? c mark)
(begin
(set! res (append res (list (string-copy str last-index index))))
(set! last-index (+ index 1))))
((equal? (length str-l) (+ index 1))
(set! res (append res (list (string-copy str last-index (+ index 1)))))))
(set! index (+ index 1)))))
(for-each splitter str-l)
res)))
(define auto-load-paths
(append
(cond-expand
(windows
(append
(if (get-environment-variable "SYSTEM")
(list (get-environment-variable "SYSTEM"))
(list))
(if (get-environment-variable "WINDIR")
(list (get-environment-variable "WINDIR"))
(list))
(if (get-environment-variable "WINEDLLDIR0")
(list (get-environment-variable "WINEDLLDIR0"))
(list))
(if (get-environment-variable "SystemRoot")
(list (string-append
(get-environment-variable "SystemRoot")
slash
"system32"))
(list))
(list ".")
(if (get-environment-variable "PATH")
(string-split (get-environment-variable "PATH") #\;)
(list))))
(else
(append
; Guix
(list (if (get-environment-variable "GUIX_ENVIRONMENT")
(string-append (get-environment-variable "GUIX_ENVIRONMENT") "/lib")
"")
"/run/current-system/profile/lib")
; Debian
(if (get-environment-variable "LD_LIBRARY_PATH")
(list (string-split (get-environment-variable "LD_LIBRARY_PATH") #\:))
(list))
(list
;;; x86-64
; Debian
"/lib/x86_64-linux-gnu"
"/usr/lib/x86_64-linux-gnu"
"/usr/local/lib"
; Fedora/Alpine
"/usr/lib"
"/usr/lib64"
;;; aarch64
; Debian
"/lib/aarch64-linux-gnu"
"/usr/lib/aarch64-linux-gnu"
"/usr/local/lib"
; Fedora/Alpine
"/usr/lib"
"/usr/lib64"
))))))
(define auto-load-versions (list ""))
(define-syntax pffi-shared-object-auto-load
(syntax-rules ()
((pffi-shared-object-auto-load headers additional-paths object-name additional-versions)
(cond-expand
(cyclone (pffi-shared-object-load headers))
(chicken (pffi-shared-object-load headers))
(gambit (pffi-shared-object-load headers))
(else
(let* ((paths (append auto-load-paths additional-paths))
(versions (append auto-load-versions additional-versions))
(shared-object #f))
(for-each
(lambda (path)
(for-each
(lambda (version)
(let ((library-path (string-append path
slash
platform-lib-prefix
object-name
platform-file-extension
version)))
(if (file-exists? library-path)
(set! shared-object library-path))))
versions))
paths)
(if (not shared-object)
(error "Could not load shared object"
(list (cons 'object object-name)
(cons 'paths paths)
(cons 'platform-file-extension platform-file-extension)
(cons 'versions versions)))
(pffi-shared-object-load headers shared-object))))))))
(cond-expand
(kawa (include "kawa.scm"))
(else #t))))

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(define-library
(retropikzel r7rs-pffi version main)
(cond-expand
(sagittarius
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context)
(retropikzel r7rs-pffi version sagittarius)))
(guile
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context)
(retropikzel r7rs-pffi version guile)))
(racket
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context)
(only (racket base) system-type)
(retropikzel r7rs-pffi version racket)))
(stklos
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context)
(stklos)
(retropikzel r7rs-pffi version stklos)))
(kawa
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context)))
(cyclone
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context)
(retropikzel r7rs-pffi version cyclone)))
(gambit
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context)
(retropikzel r7rs-pffi version gambit)))
(chicken
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context)
(retropikzel r7rs-pffi version chicken)))
(chibi
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context)
(retropikzel r7rs-pffi version chibi)))
(mit-scheme
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context)
(retropikzel r7rs-pffi version mit-scheme))))
(export pffi-shared-object-auto-load
pffi-shared-object-load
pffi-define
pffi-define-callback
pffi-size-of
pffi-pointer-allocate
pffi-pointer-null
pffi-string->pointer
pffi-pointer->string
pffi-pointer-free
pffi-pointer?
pffi-pointer-null?
pffi-pointer-set!
pffi-pointer-get
pffi-pointer-deref)
(begin
#|doc Testing multiline comment |#
(define library-version "v0-3-0")
(define slash (cond-expand (windows (string #\\)) (else "/")))
(define platform-file-extension
(cond-expand
(racket (if (equal? (system-type 'os) 'windows) ".dll" ".so"))
(windows ".dll")
(else ".so")))
(define platform-lib-prefix
(cond-expand
(racket (if (equal? (system-type 'os) 'windows) "" "lib"))
(windows "")
(else "lib")))
(define pffi-types
'(int8
uint8
int16
uint16
int32
uint32
int64
uint64
char
unsigned-char
short
unsigned-short
int
unsigned-int
long
unsigned-long
float
double
string
pointer
void))
(define string-split
(lambda (str mark)
(let* ((str-l (string->list str))
(res (list))
(last-index 0)
(index 0)
(splitter (lambda (c)
(cond ((char=? c mark)
(begin
(set! res (append res (list (string-copy str last-index index))))
(set! last-index (+ index 1))))
((equal? (length str-l) (+ index 1))
(set! res (append res (list (string-copy str last-index (+ index 1)))))))
(set! index (+ index 1)))))
(for-each splitter str-l)
res)))
(define auto-load-paths
(append
(cond-expand
(windows
(append
(if (get-environment-variable "SYSTEM")
(list (get-environment-variable "SYSTEM"))
(list))
(if (get-environment-variable "WINDIR")
(list (get-environment-variable "WINDIR"))
(list))
(if (get-environment-variable "WINEDLLDIR0")
(list (get-environment-variable "WINEDLLDIR0"))
(list))
(if (get-environment-variable "SystemRoot")
(list (string-append
(get-environment-variable "SystemRoot")
slash
"system32"))
(list))
(list ".")
(if (get-environment-variable "PATH")
(string-split (get-environment-variable "PATH") #\;)
(list))))
(else
(append
; Guix
(list (if (get-environment-variable "GUIX_ENVIRONMENT")
(string-append (get-environment-variable "GUIX_ENVIRONMENT") "/lib")
"")
"/run/current-system/profile/lib")
; Debian
(if (get-environment-variable "LD_LIBRARY_PATH")
(list (string-split (get-environment-variable "LD_LIBRARY_PATH") #\:))
(list))
(list
;;; x86-64
; Debian
"/lib/x86_64-linux-gnu"
"/usr/lib/x86_64-linux-gnu"
"/usr/local/lib"
; Fedora/Alpine
"/usr/lib"
"/usr/lib64"
;;; aarch64
; Debian
"/lib/aarch64-linux-gnu"
"/usr/lib/aarch64-linux-gnu"
"/usr/local/lib"
; Fedora/Alpine
"/usr/lib"
"/usr/lib64"
))))))
(define auto-load-versions (list ""))
(define-syntax pffi-shared-object-auto-load
(syntax-rules ()
((pffi-shared-object-auto-load headers additional-paths object-name additional-versions)
(cond-expand
(cyclone (pffi-shared-object-load headers))
(chicken (pffi-shared-object-load headers))
(gambit (pffi-shared-object-load headers))
(else
(let* ((paths (append auto-load-paths additional-paths))
(versions (append auto-load-versions additional-versions))
(shared-object #f))
(for-each
(lambda (path)
(for-each
(lambda (version)
(let ((library-path (string-append path
slash
platform-lib-prefix
object-name
platform-file-extension
version)))
(if (file-exists? library-path)
(set! shared-object library-path))))
versions))
paths)
(if (not shared-object)
(error "Could not load shared object"
(list (cons 'object object-name)
(cons 'paths paths)
(cons 'platform-file-extension platform-file-extension)
(cons 'versions versions)))
(pffi-shared-object-load headers shared-object))))))))
(cond-expand
(kawa (include "kawa.scm"))
(else #t))))

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(define-library
(retropikzel r7rs-pffi version main)
(cond-expand
(sagittarius
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context)
(retropikzel r7rs-pffi version sagittarius)))
(guile
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context)
(retropikzel r7rs-pffi version guile)))
(racket
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context)
(only (racket base) system-type)
(retropikzel r7rs-pffi version racket)))
(stklos
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context)
(stklos)
(retropikzel r7rs-pffi version stklos)))
(kawa
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context)))
(cyclone
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context)
(retropikzel r7rs-pffi version cyclone)))
(gambit
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context)
(retropikzel r7rs-pffi version gambit)))
(chicken
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context)
(retropikzel r7rs-pffi version chicken)))
(chibi
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context)
(retropikzel r7rs-pffi version chibi)))
(mit-scheme
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context)
(retropikzel r7rs-pffi version mit-scheme))))
(export pffi-shared-object-auto-load
pffi-shared-object-load
pffi-define
pffi-define-callback
pffi-size-of
pffi-pointer-allocate
pffi-pointer-null
pffi-string->pointer
pffi-pointer->string
pffi-pointer-free
pffi-pointer?
pffi-pointer-null?
pffi-pointer-set!
pffi-pointer-get
pffi-pointer-deref)
(begin
#|doc Testing multiline comment |#
(define library-version "v0-3-0")
(define slash (cond-expand (windows (string #\\)) (else "/")))
(define platform-file-extension
(cond-expand
(racket (if (equal? (system-type 'os) 'windows) ".dll" ".so"))
(windows ".dll")
(else ".so")))
(define platform-lib-prefix
(cond-expand
(racket (if (equal? (system-type 'os) 'windows) "" "lib"))
(windows "")
(else "lib")))
(define pffi-types
'(int8
uint8
int16
uint16
int32
uint32
int64
uint64
char
unsigned-char
short
unsigned-short
int
unsigned-int
long
unsigned-long
float
double
string
pointer
void))
(define string-split
(lambda (str mark)
(let* ((str-l (string->list str))
(res (list))
(last-index 0)
(index 0)
(splitter (lambda (c)
(cond ((char=? c mark)
(begin
(set! res (append res (list (string-copy str last-index index))))
(set! last-index (+ index 1))))
((equal? (length str-l) (+ index 1))
(set! res (append res (list (string-copy str last-index (+ index 1)))))))
(set! index (+ index 1)))))
(for-each splitter str-l)
res)))
(define auto-load-paths
(append
(cond-expand
(windows
(append
(if (get-environment-variable "SYSTEM")
(list (get-environment-variable "SYSTEM"))
(list))
(if (get-environment-variable "WINDIR")
(list (get-environment-variable "WINDIR"))
(list))
(if (get-environment-variable "WINEDLLDIR0")
(list (get-environment-variable "WINEDLLDIR0"))
(list))
(if (get-environment-variable "SystemRoot")
(list (string-append
(get-environment-variable "SystemRoot")
slash
"system32"))
(list))
(list ".")
(if (get-environment-variable "PATH")
(string-split (get-environment-variable "PATH") #\;)
(list))))
(else
(append
; Guix
(list (if (get-environment-variable "GUIX_ENVIRONMENT")
(string-append (get-environment-variable "GUIX_ENVIRONMENT") "/lib")
"")
"/run/current-system/profile/lib")
; Debian
(if (get-environment-variable "LD_LIBRARY_PATH")
(list (string-split (get-environment-variable "LD_LIBRARY_PATH") #\:))
(list))
(list
;;; x86-64
; Debian
"/lib/x86_64-linux-gnu"
"/usr/lib/x86_64-linux-gnu"
"/usr/local/lib"
; Fedora/Alpine
"/usr/lib"
"/usr/lib64"
;;; aarch64
; Debian
"/lib/aarch64-linux-gnu"
"/usr/lib/aarch64-linux-gnu"
"/usr/local/lib"
; Fedora/Alpine
"/usr/lib"
"/usr/lib64"
))))))
(define auto-load-versions (list ""))
(define-syntax pffi-shared-object-auto-load
(syntax-rules ()
((pffi-shared-object-auto-load headers additional-paths object-name additional-versions)
(cond-expand
(cyclone (pffi-shared-object-load headers))
(chicken (pffi-shared-object-load headers))
(gambit (pffi-shared-object-load headers))
(else
(let* ((paths (append auto-load-paths additional-paths))
(versions (append auto-load-versions additional-versions))
(shared-object #f))
(for-each
(lambda (path)
(for-each
(lambda (version)
(let ((library-path (string-append path
slash
platform-lib-prefix
object-name
platform-file-extension
version)))
(if (file-exists? library-path)
(set! shared-object library-path))))
versions))
paths)
(if (not shared-object)
(error "Could not load shared object"
(list (cons 'object object-name)
(cons 'paths paths)
(cons 'platform-file-extension platform-file-extension)
(cons 'versions versions)))
(pffi-shared-object-load headers shared-object))))))))
(cond-expand
(kawa (include "kawa.scm"))
(else #t))))

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(define-library
(retropikzel r7rs-pffi version racket)
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context)
(compatibility mlist)
(ffi unsafe)
(ffi vector))
(export pffi-shared-object-load
pffi-define
pffi-define-callback
pffi-size-of
pffi-pointer-allocate
pffi-pointer-null
pffi-string->pointer
pffi-pointer->string
pffi-pointer-free
pffi-pointer?
pffi-pointer-null?
pffi-pointer-set!
pffi-pointer-get
pffi-pointer-deref)
(begin
(define pffi-type->native-type
(lambda (type)
(cond ((equal? type 'int8) _int8)
((equal? type 'uint8) _uint8)
((equal? type 'int16) _int16)
((equal? type 'uint16) _uint16)
((equal? type 'int32) _int32)
((equal? type 'uint32) _uint32)
((equal? type 'int64) _int64)
((equal? type 'uint64) _uint64)
((equal? type 'char) _int)
((equal? type 'unsigned-char) _int)
((equal? type 'short) _short)
((equal? type 'unsigned-short) _ushort)
((equal? type 'int) _int)
((equal? type 'unsigned-int) _uint)
((equal? type 'long) _long)
((equal? type 'unsigned-long) _ulong)
((equal? type 'float) _float)
((equal? type 'double) _double)
((equal? type 'pointer) _pointer)
((equal? type 'string) _pointer)
((equal? type 'void) _void)
((equal? type 'callback) _pointer)
(else (error "pffi-type->native-type -- No such pffi type" type)))))
(define pffi-pointer?
(lambda (object)
(cpointer? object)))
(define-syntax pffi-define
(syntax-rules ()
((pffi-define scheme-name shared-object c-name return-type argument-types)
(define scheme-name
(get-ffi-obj c-name
shared-object
(_cprocedure (mlist->list (map pffi-type->native-type argument-types))
(pffi-type->native-type return-type)))))))
(define-syntax pffi-define-callback
(syntax-rules ()
((pffi-define-callback scheme-name return-type argument-types procedure)
(define scheme-name (function-ptr procedure
(_cprocedure
(mlist->list (map pffi-type->native-type argument-types))
(pffi-type->native-type return-type)))
))))
(define pffi-size-of
(lambda (type)
(ctype-sizeof (pffi-type->native-type type))))
(define pffi-pointer-allocate
(lambda (size)
(malloc size 'raw)))
(define pffi-pointer-null
(lambda ()
#f ; In racket #f is null pointer
))
(define pffi-string->pointer
(lambda (string-content)
(cast string-content _string _pointer)))
(define pffi-pointer->string
(lambda (pointer)
(cast pointer _pointer _string)))
(define pffi-shared-object-load
(lambda (header path)
(ffi-lib path)))
(define pffi-pointer-free
(lambda (pointer)
(free pointer)))
(define pffi-pointer-null?
(lambda (pointer)
(not pointer) ; #f is the null pointer on racket
))
(define pffi-pointer-set!
(lambda (pointer type offset value)
(ptr-set! pointer (pffi-type->native-type type) offset value)))
(define pffi-pointer-get
(lambda (pointer type offset)
(ptr-ref pointer (pffi-type->native-type type) offset)))
(define pffi-pointer-deref
(lambda (pointer)
pointer))))

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@ -0,0 +1,171 @@
(define-library
(retropikzel r7rs-pffi version sagittarius)
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context)
(sagittarius ffi)
(sagittarius))
(export pffi-shared-object-load
pffi-define
pffi-define-callback
pffi-size-of
pffi-pointer-allocate
pffi-pointer-null
pffi-string->pointer
pffi-pointer->string
pffi-pointer-free
pffi-pointer?
pffi-pointer-null?
pffi-pointer-set!
pffi-pointer-get
pffi-pointer-deref)
(begin
(define pffi-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 'string) 'char*)
((equal? type 'void) 'void)
((equal? type 'callback) 'callback)
(else (error "pffi-type->native-type -- No such pffi type" type)))))
(define pffi-pointer? (lambda (object) (pointer? object)))
(define-syntax pffi-define
(syntax-rules ()
((pffi-define scheme-name shared-object c-name return-type argument-types)
(define scheme-name
(make-c-function shared-object
(pffi-type->native-type return-type)
c-name
(map pffi-type->native-type argument-types))))))
(define-syntax pffi-define-callback
(syntax-rules ()
((pffi-define-callback scheme-name return-type argument-types procedure)
(define scheme-name
(make-c-callback (pffi-type->native-type return-type)
(map pffi-type->native-type argument-types)
procedure)))))
(define pffi-size-of
(lambda (type)
(cond ((eq? type 'int8) size-of-int8_t)
((eq? type 'uint8) size-of-uint8_t)
((eq? type 'int16) size-of-int16_t)
((eq? type 'uint16) size-of-uint16_t)
((eq? type 'int32) size-of-int32_t)
((eq? type 'uint32) size-of-uint32_t)
((eq? type 'int64) size-of-int64_t)
((eq? type 'uint64) size-of-uint64_t)
((eq? type 'char) size-of-char)
((eq? type 'unsigned-char) size-of-char)
((eq? type 'short) size-of-short)
((eq? type 'unsigned-short) size-of-unsigned-short)
((eq? type 'int) size-of-int)
((eq? type 'unsigned-int) size-of-unsigned-int)
((eq? type 'long) size-of-long)
((eq? type 'unsigned-long) size-of-unsigned-long)
((eq? type 'float) size-of-float)
((eq? type 'double) size-of-double)
((eq? type 'string) size-of-void*)
((eq? type 'pointer) size-of-void*)
(else (error "Can not get size of unknown type" type)))))
(define pffi-pointer-allocate
(lambda (size)
(c-malloc size)))
(define pffi-pointer-null
(lambda ()
(integer->pointer 0)))
(define pffi-string->pointer
(lambda (string-content)
string-content))
(define pffi-pointer->string
(lambda (pointer)
(if (string? pointer)
pointer
(pointer->string pointer))))
(define pffi-shared-object-load
(lambda (header path)
(open-shared-library path)))
(define pffi-pointer-free
(lambda (pointer)
(c-free pointer)))
(define pffi-pointer-null?
(lambda (pointer)
(null-pointer? pointer)))
(define pffi-pointer-set!
(lambda (pointer type offset value)
(let ((p pointer))
(cond ((equal? type 'int8) (pointer-set-c-int8_t! p offset value))
((equal? type 'uint8) (pointer-set-c-uint8_t! p offset value))
((equal? type 'int16) (pointer-set-c-int16_t! p offset value))
((equal? type 'uint16) (pointer-set-c-uint16_t! p offset value))
((equal? type 'int32) (pointer-set-c-int32_t! p offset value))
((equal? type 'uint32) (pointer-set-c-uint32_t! p offset value))
((equal? type 'int64) (pointer-set-c-int64_t! p offset value))
((equal? type 'uint64) (pointer-set-c-uint64_t! p offset value))
((equal? type 'char) (pointer-set-c-char! p offset value))
((equal? type 'short) (pointer-set-c-short! p offset value))
((equal? type 'unsigned-short) (pointer-set-c-unsigned-short! p offset value))
((equal? type 'int) (pointer-set-c-int! p offset value))
((equal? type 'unsigned-int) (pointer-set-c-unsigned-int! p offset value))
((equal? type 'long) (pointer-set-c-long! p offset value))
((equal? type 'unsigned-long) (pointer-set-c-unsigned-long! p offset value))
((equal? type 'float) (pointer-set-c-float! p offset value))
((equal? type 'double) (pointer-set-c-double! p offset value))
((equal? type 'void*) (pointer-set-c-pointer p offset value))))))
(define pffi-pointer-get
(lambda (pointer type offset)
(let ((p pointer)
(native-type (pffi-type->native-type type)))
(cond ((equal? native-type 'int8_t) (pointer-ref-c-int8_t p offset))
((equal? native-type 'uint8_t) (pointer-ref-c-uint8_t p offset))
((equal? native-type 'int16_t) (pointer-ref-c-int16_t p offset))
((equal? native-type 'uint16_t) (pointer-ref-c-uint16_t p offset))
((equal? native-type 'int32_t) (pointer-ref-c-int32_t p offset))
((equal? native-type 'uint32_t) (pointer-ref-c-uint32_t p offset))
((equal? native-type 'int64_t) (pointer-ref-c-int64_t p offset))
((equal? native-type 'uint64_t) (pointer-ref-c-uint64_t p offset))
((equal? native-type 'char) (pointer-ref-c-char p offset))
((equal? native-type 'short) (pointer-set-c-short p offset value))
((equal? native-type 'unsigned-short) (pointer-ref-c-unsigned-short p offset))
((equal? native-type 'int) (pointer-ref-c-int p offset))
((equal? native-type 'unsigned-int) (pointer-ref-c-unsigned-int p offset))
((equal? native-type 'long) (pointer-ref-c-long p offset))
((equal? native-type 'unsigned-long) (pointer-ref-c-unsigned-long p offset))
((equal? native-type 'float) (pointer-ref-c-float p offset))
((equal? native-type 'double) (pointer-ref-c-double p offset))
((equal? native-type 'void*) (pointer-ref-c-pointer p offset))))))
(define pffi-pointer-deref
(lambda (pointer)
(deref pointer 0)))))

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@ -0,0 +1,105 @@
(define-library
(retropikzel r7rs-pffi version stklos)
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context)
(stklos))
(export pffi-define
pffi-pointer->string
pffi-pointer-allocate
pffi-pointer-deref
pffi-pointer-free
pffi-pointer-get
pffi-pointer-null
pffi-pointer-null?
pffi-pointer-set!
pffi-pointer?
pffi-shared-object-load
pffi-size-of
pffi-string->pointer)
(begin
(define pffi-type->native-type
(lambda (type)
(cond ((equal? type 'int8) :int)
((equal? type 'uint8) :uint)
((equal? type 'int16) :int)
((equal? type 'uint16) :uint)
((equal? type 'int32) :int)
((equal? type 'uint32) :uint)
((equal? type 'int64) :int)
((equal? type 'uint64) :uint)
((equal? type 'char) :char)
((equal? type 'unsigned-char) :uchar)
((equal? type 'short) :short)
((equal? type 'unsigned-short) :ushort)
((equal? type 'int) :int)
((equal? type 'unsigned-int) :uint)
((equal? type 'long) :long)
((equal? type 'unsigned-long) :ulong)
((equal? type 'float) :float)
((equal? type 'double) :double)
((equal? type 'pointer) :pointer)
((equal? type 'string) :string)
((equal? type 'void) :void)
(else (error "pffi-type->native-type -- No such pffi type" type)))))
(define pffi-pointer?
(lambda (object)
(cpointer? object)))
(define-syntax pffi-define
(syntax-rules ()
((pffi-define scheme-name shared-object c-name return-type argument-types)
(define scheme-name
(make-external-function
(symbol->string c-name)
(map pffi-type->native-type argument-types)
(pffi-type->native-type return-type)
shared-object)))))
(define pffi-size-of
(lambda (type)
(error "Not implemented")))
(define pffi-pointer-allocate
(lambda (size)
(allocate-bytes size)))
(define pffi-pointer-null
(lambda ()
(let ((p (allocate-bytes 0))) (cpointer-data-set! p 0) p)))
(define pffi-string->pointer
(lambda (string-content)
string-content))
(define pffi-pointer->string
(lambda (pointer)
pointer))
(define pffi-shared-object-load
(lambda (header path)
path))
(define pffi-pointer-free
(lambda (pointer)
(free-bytes pointer)))
(define pffi-pointer-null?
(lambda (pointer)
(cpointer-null? pointer)))
(define pffi-pointer-set!
(lambda (pointer type offset value)
(error "Not implemented")))
(define pffi-pointer-get
(lambda (pointer type offset)
(error "Not implemented")))
(define pffi-pointer-deref
(lambda (pointer)
(error "Not implemented")))))

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@ -5,5 +5,3 @@ set -o pipefail
make clean
make build
make tmp
VERSION=$(cat VERSION)

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@ -2,15 +2,14 @@
source scripts/init-test.sh
CHICKEN_REPOSITORY_PATH=${PWD}/retropikzel/r7rs-pffi/version
SCHEME="csc -X r7rs -R r7rs -L -lcurl"
SCHEME_LIB="csc -X r7rs -R r7rs -sJ"
SCHEME_LIB="csc -X r7rs -R r7rs -s -J"
SCHEME_I="csi -R r7rs"
cp retropikzel/pffi/${VERSION}/main.sld retropikzel/pffi/${VERSION}/retropikzel.pffi.${VERSION}.main.scm
cp retropikzel/pffi/${VERSION}/chicken.scm retropikzel/pffi/${VERSION}/retropikzel.pffi.${VERSION}.chicken.scm
cp retropikzel/pffi/${VERSION}/main.sld retropikzel.pffi.${VERSION}.main.scm
cp retropikzel/pffi/${VERSION}/chicken.scm retropikzel.pffi.${VERSION}.chicken.scm
${SCHEME_LIB} retropikzel.pffi.${VERSION}.chicken.scm
${SCHEME_LIB} retropikzel.pffi.${VERSION}.main.scm
cp retropikzel/r7rs-pffi/version/chicken.scm retropikzel.r7rs-pffi.version.chicken.scm
cp retropikzel/r7rs-pffi/version/main.scm retropikzel.r7rs-pffi.version.main.scm
${SCHEME_LIB} retropikzel.r7rs-pffi.version.chicken.scm
${SCHEME_LIB} retropikzel.r7rs-pffi.version.main.scm
source scripts/test-runs-compilers.sh

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@ -1,6 +1,6 @@
(import (scheme base)
(scheme write)
(retropikzel r7rs-pffi v0-4-0 main))
(retropikzel r7rs-pffi version main))
(display "Hello from import.scm")
(newline)

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@ -1,6 +1,6 @@
(import (scheme base)
(scheme write)
(retropikzel r7rs-pffi v0-4-0 main))
(retropikzel r7rs-pffi version main))
(display 'int8)
(display " ")

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@ -1,6 +1,6 @@
(import (scheme base)
(scheme write)
(retropikzel r7rs-pffi v0-4-0 main))
(retropikzel r7rs-pffi version main))
(define p (pffi-pointer-allocate (+ (* (pffi-size-of 'uint32) 3)
(* (pffi-size-of 'uint8) 4)

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@ -1,6 +1,6 @@
(import (scheme base)
(scheme write)
(retropikzel r7rs-pffi v0-4-0 main))
(retropikzel r7rs-pffi version main))
(define p (pffi-pointer-allocate (+ (* (pffi-size-of 'uint32) 3)
(* (pffi-size-of 'uint8) 4)

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@ -1,6 +1,6 @@
(import (scheme base)
(scheme write)
(retropikzel r7rs-pffi v0-4-0 main))
(retropikzel r7rs-pffi version main))
(define p (pffi-pointer-allocate (+ (* (pffi-size-of 'uint32) 3)
(* (pffi-size-of 'uint8) 4)

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@ -1,6 +1,6 @@
(import (scheme base)
(scheme write)
(retropikzel r7rs-pffi v0-4-0 main))
(retropikzel r7rs-pffi version main))
(define p (pffi-pointer-allocate (+ (* (pffi-size-of 'uint32) 3)
(* (pffi-size-of 'uint8) 4)

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@ -1,6 +1,6 @@
(import (scheme base)
(scheme write)
(retropikzel r7rs-pffi v0-4-0 main))
(retropikzel r7rs-pffi version main))
(define original "Hello world")

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@ -2,7 +2,7 @@
(scheme write)
(scheme process-context)
(scheme eval)
(retropikzel r7rs-pffi v0-4-0 main))
(retropikzel r7rs-pffi version main))
(define libcurl (pffi-shared-object-auto-load (list "curl/curl.h")
(list)

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@ -2,7 +2,7 @@
(scheme write)
(scheme process-context)
(scheme eval)
(retropikzel r7rs-pffi v0-4-0 main))
(retropikzel r7rs-pffi version main))
(define libc (pffi-shared-object-auto-load (list "curl/curl.h")
(list)

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@ -1,7 +1,7 @@
(import (scheme base)
(scheme write)
(scheme process-context)
(retropikzel r7rs-pffi v0-4-0 main))
(retropikzel r7rs-pffi version main))
(define libcurl (pffi-shared-object-auto-load (list "curl/curl.h") ; Headers
(list ".") ; Additional search paths