foreign-c/retropikzel/pffi/v0-2-0/main.scm

247 lines
9.0 KiB
Scheme

(define-library
(retropikzel pffi v0-2-0 main)
(cond-expand
(sagittarius
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context)
(retropikzel pffi v0-2-0 sagittarius)))
(guile
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context)
(retropikzel pffi v0-2-0 guile)))
(racket
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context)
(only (racket base) system-type)
(retropikzel pffi v0-2-0 racket)))
(stklos
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context)
(stklos)
(retropikzel pffi v0-2-0 stklos)))
(kawa
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context)))
(cyclone
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context)
(retropikzel pffi v0-2-0 cyclone)))
(gambit
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context)
(retropikzel pffi v0-2-0 gambit)))
(chicken
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context)
(retropikzel pffi v0-2-0 chicken)))
(chibi
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context)
(retropikzel pffi v0-2-0 chibi)))
(mit-scheme
(import (scheme base)
(scheme write)
(scheme file)
(scheme process-context)
(retropikzel pffi v0-2-0 mit-scheme))))
(export pffi-shared-object-auto-load
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 library-version "v0-2-0")
(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))
(list ".")
(string-split (get-environment-variable "PATH") #\;)))
(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 "/lib/x86_64-linux-gnu"
"/usr/lib/x86_64-linux-gnu"
"/usr/local/lib"))))))
(define auto-load-versions (list ""))
(define-syntax pffi-shared-object-auto-load-old
(syntax-rules ()
((pffi-shared-object-auto-load headers object-name additional-paths)
(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))
(shared-object #f))
(for-each
(lambda (path)
(if (not shared-object)
(let ((object-path
(string-append path
"/"
object-name
platform-file-extension))
(object-version-path
(string-append path
"/"
object-name
platform-version-file-extension))
(object-lib-path
(string-append path
"/"
platform-lib-prefix
object-name
platform-file-extension))
(object-version-lib-path
(string-append path
"/"
platform-lib-prefix
object-name
platform-version-file-extension)))
(cond
((file-exists? object-path)
(set! shared-object (pffi-shared-object-load headers object-path)))
((file-exists? object-version-path)
(set! shared-object (pffi-shared-object-load headers object-version-path)))
((file-exists? object-lib-path)
(set! shared-object (pffi-shared-object-load headers object-lib-path)))
((file-exists? object-version-lib-path)
(set! shared-object (pffi-shared-object-load headers object-version-lib-path)))))))
paths)
(if (not shared-object)
(error "Could not load shared object" object-name)
shared-object)))))))
(define-syntax pffi-shared-object-auto-load
(syntax-rules ()
((pffi-shared-object-auto-load headers object-name additional-versions additional-paths)
(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" object-name)
(pffi-shared-object-load headers shared-object))))))))
(cond-expand
(kawa (include "kawa.scm"))
(else #t))))