cyclone/generate-c.scm
2016-02-14 22:35:04 -05:00

49 lines
1.1 KiB
Scheme

;;;; Cyclone Scheme
;;;; https://github.com/justinethier/cyclone
;;;;
;;;; Copyright (c) 2014-2016, Justin Ethier
;;;; All rights reserved.
;;;;
;;;; This module automatically generates the following files:
;;;;
;;;; - dispatch.c => Used by apply to call native C functions.
;;;;
(import (scheme base)
(scheme file)
(scheme write))
(with-output-to-file
"dispatch.c"
(lambda ()
(display "
#include \"cyclone/types.h\"
#include \"cyclone/runtime.h\"
void do_dispatch(void *data, int argc, function_type func, object clo, object *b) {
switch(argc) {" )
(define bs "")
(let loop ((i 0))
(display "case " )
(display i )
(display ":func(" )
(display "data,")
(display i )
(display ",clo" )
(display bs )
(display ");" )
(set! bs (string-append bs ",*(b+" (number->string i) ")"))
(if (< i 149)
(loop (+ i 1))))
(display "
default:
{
char buf[1024];
snprintf(buf, 1023, \"Unhandled number of function arguments: %d\\n\", argc);
Cyc_rt_raise_msg(data, buf);
}
}
}" )))