;;;
;;; libmisc.scm - miscellaneous built-in procedures
;;;
    Copyright ( c ) 2000 - 2022       <  >
;;;
;;;   Redistribution and use in source and binary forms, with or without
;;;   modification, are permitted provided that the following conditions
;;;   are met:
;;;
;;;   1. Redistributions of source code must retain the above copyright
;;;      notice, this list of conditions and the following disclaimer.
;;;
;;;   2. Redistributions in binary form must reproduce the above copyright
;;;      notice, this list of conditions and the following disclaimer in the
;;;      documentation and/or other materials provided with the distribution.
;;;
;;;   3. Neither the name of the authors nor the names of its contributors
;;;      may be used to endorse or promote products derived from this
;;;      software without specific prior written permission.
;;;
;;;   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
    " AS IS " AND ANY EXPRESS OR IMPLIED WARRANTIES , INCLUDING , BUT NOT
;;;   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
;;;   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
;;;   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
    SPECIAL , EXEMPLARY , OR CONSEQUENTIAL DAMAGES ( INCLUDING , BUT NOT LIMITED
;;;   TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
;;;   PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
    LIABILITY , WHETHER IN CONTRACT , STRICT LIABILITY , OR TORT ( INCLUDING
;;;   NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
;;;   SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
;;;

(select-module gauche.internal)
(inline-stub
 (declcode (.include <gauche/vminsn.h>)))

;;;
;;; Miscellaneous
;;;

(select-module gauche)

(define-cproc has-setter? (proc) ::<boolean> Scm_HasSetter)

(define-cproc undefined () (inliner CONSTU) (return SCM_UNDEFINED))
(define-cproc undefined? (obj) ::<boolean> :constant SCM_UNDEFINEDP)

(define (warn fmt . args)
  (unless (sys-getenv "GAUCHE_SUPPRESS_WARNING")
    (apply format (current-error-port) (string-append "WARNING: " fmt) args)
    (flush (current-error-port))))

;; uninitialized value is only used in the compiler and should never be leaked
;; out to the userland.
(select-module gauche.internal)
(define-cproc %uninitialized () (return SCM_UNINITIALIZED))

;; Debug label
(select-module gauche)
(define-cproc debug-label (obj) (return (Scm_Sprintf "@%lx" obj)))

;; Foreign pointer (may be in libsys.scm?)

(select-module gauche)

(define-cproc foreign-pointer-invalid? (fp::<foreign-pointer>) ::<boolean>
  Scm_ForeignPointerInvalidP)

(define-cproc foreign-pointer-invalidate! (fp::<foreign-pointer>) ::<void>
  Scm_ForeignPointerInvalidate)

(define-cproc foreign-pointer-attributes (fp::<foreign-pointer>)
  Scm_ForeignPointerAttr)

(define-cproc foreign-pointer-attribute-get (fp::<foreign-pointer>
                                             key :optional fallback)
  Scm_ForeignPointerAttrGet)

(define-cproc foreign-pointer-attribute-set! (fp::<foreign-pointer> key value)
  Scm_ForeignPointerAttrSet)

; for backward compatibility - deprecated
(define foreign-pointer-attribute-set foreign-pointer-attribute-set!)

;;
;; Static configuration
;;

(select-module gauche.internal)
(define-cproc cond-features () Scm_GetFeatures)

(inline-stub
 (define-constant SLIB_DIR (c (SCM_MAKE_STR_IMMUTABLE SLIB_DIR))))


 libmisc.scm - miscellaneous built-in procedures


   Redistribution and use in source and binary forms, with or without
   modification, are permitted provided that the following conditions
   are met:

   1. Redistributions of source code must retain the above copyright
      notice, this list of conditions and the following disclaimer.

   2. Redistributions in binary form must reproduce the above copyright
      notice, this list of conditions and the following disclaimer in the
      documentation and/or other materials provided with the distribution.

   3. Neither the name of the authors nor the names of its contributors
      may be used to endorse or promote products derived from this
      software without specific prior written permission.

   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
   PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
   NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
   SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.


 Miscellaneous

 uninitialized value is only used in the compiler and should never be leaked
 out to the userland.
 Debug label
 Foreign pointer (may be in libsys.scm?)
 for backward compatibility - deprecated

 Static configuration

    Copyright ( c ) 2000 - 2022       <  >
    " AS IS " AND ANY EXPRESS OR IMPLIED WARRANTIES , INCLUDING , BUT NOT
    SPECIAL , EXEMPLARY , OR CONSEQUENTIAL DAMAGES ( INCLUDING , BUT NOT LIMITED
    LIABILITY , WHETHER IN CONTRACT , STRICT LIABILITY , OR TORT ( INCLUDING

(select-module gauche.internal)
(inline-stub
 (declcode (.include <gauche/vminsn.h>)))


(select-module gauche)

(define-cproc has-setter? (proc) ::<boolean> Scm_HasSetter)

(define-cproc undefined () (inliner CONSTU) (return SCM_UNDEFINED))
(define-cproc undefined? (obj) ::<boolean> :constant SCM_UNDEFINEDP)

(define (warn fmt . args)
  (unless (sys-getenv "GAUCHE_SUPPRESS_WARNING")
    (apply format (current-error-port) (string-append "WARNING: " fmt) args)
    (flush (current-error-port))))

(select-module gauche.internal)
(define-cproc %uninitialized () (return SCM_UNINITIALIZED))

(select-module gauche)
(define-cproc debug-label (obj) (return (Scm_Sprintf "@%lx" obj)))


(select-module gauche)

(define-cproc foreign-pointer-invalid? (fp::<foreign-pointer>) ::<boolean>
  Scm_ForeignPointerInvalidP)

(define-cproc foreign-pointer-invalidate! (fp::<foreign-pointer>) ::<void>
  Scm_ForeignPointerInvalidate)

(define-cproc foreign-pointer-attributes (fp::<foreign-pointer>)
  Scm_ForeignPointerAttr)

(define-cproc foreign-pointer-attribute-get (fp::<foreign-pointer>
                                             key :optional fallback)
  Scm_ForeignPointerAttrGet)

(define-cproc foreign-pointer-attribute-set! (fp::<foreign-pointer> key value)
  Scm_ForeignPointerAttrSet)

(define foreign-pointer-attribute-set foreign-pointer-attribute-set!)


(select-module gauche.internal)
(define-cproc cond-features () Scm_GetFeatures)

(inline-stub
 (define-constant SLIB_DIR (c (SCM_MAKE_STR_IMMUTABLE SLIB_DIR))))
