X-Git-Url: https://git.jsancho.org/?a=blobdiff_plain;f=irrlicht%2Futil.scm;h=8c5b9e4eb4651465c38ffda5b64d101a8623c4e6;hb=8994b42fea213a741631efbe7fd9c09c0aab7100;hp=9110be9fd53a3a311e394bf9feb2e0951b8e13f0;hpb=e43287a8185702b52a591afb3ade81ca8e383f25;p=guile-irrlicht.git

diff --git a/irrlicht/util.scm b/irrlicht/util.scm
index 9110be9..8c5b9e4 100644
--- a/irrlicht/util.scm
+++ b/irrlicht/util.scm
@@ -19,133 +19,11 @@
 
 
 (define-module (irrlicht util)
-  #:use-module (system foreign)
-  #:use-module (srfi srfi-1)
-  #:use-module (srfi srfi-9)
-  #:use-module (srfi srfi-9 gnu)
   #:export (bool->integer
-            integer->bool
-            define-foreign
-            define-foreign-record-type
-            foreign-record-pointer))
+            integer->bool))
 
 (define (bool->integer var)
   (if var 1 0))
 
 (define (integer->bool var)
   (if (= var 0) #f #t))
-
-;; Based on guile-sdl2 function, thanks a lot
-(define irrlicht-func
-  (let ((cirr (dynamic-link "libCIrrlicht")))
-    (lambda (return-type function-name arg-types)
-      (pointer->procedure return-type
-                          (dynamic-func function-name cirr)
-                          arg-types))))
-
-(define-syntax-rule (define-foreign name return-type func-name arg-types)
-  (define-public name
-    (irrlicht-func return-type func-name arg-types)))
-
-;; foreign struct record type
-(define-record-type standard-foreign-record-type
-  (make-foreign-record-type name types fields)
-  foreign-record-type?
-  (name foreign-record-type-name)
-  (types foreign-record-type-types)
-  (fields foreign-record-type-fields))
-
-(define-record-type foreign-record
-  (make-foreign-record type pointer)
-  foreign-record?
-  (type foreign-record-type)
-  (pointer foreign-record-pointer set-foreign-record-pointer!))
-
-(set-record-type-printer! foreign-record
-  (lambda (record port)
-    (format port "#<~a" (foreign-record-type-name (foreign-record-type record)))
-    (let* ((pointer (foreign-record-pointer record))
-           (record-type (foreign-record-type record))
-           (types (foreign-record-type-types record-type))
-           (fields (foreign-record-type-fields record-type))
-           (values (parse-c-struct pointer types)))
-      (for-each (lambda (field value)
-                  (format port " ~a: ~a" field value))
-                fields
-                values))
-    (format port ">")))
-
-(define-syntax define-foreign-record-type
-  (lambda (x)
-    (define (field-names field-specs)
-      (map (lambda (field-spec)
-             (syntax-case field-spec ()
-               ((name type getter) #'name)
-               ((name type getter setter) #'name)))
-           field-specs))
-
-    (define (field-types field-specs)
-      (map (lambda (field-spec)
-             (syntax-case field-spec ()
-               ((name type getter) #'type)
-               ((name type getter setter) #'type)))
-           field-specs))
-
-    (define (field-getters field-specs)
-      (map (lambda (field-spec field-id)
-             (syntax-case field-spec ()
-               ((name type getter) (list #'getter field-id))
-               ((name type getter setter) (list #'getter field-id))))
-           field-specs
-           (iota (length field-specs))))
-
-    (define (field-setters field-specs)
-      (filter-map (lambda (field-spec field-id)
-                    (syntax-case field-spec ()
-                      ((name type getter) #f)
-                      ((name type getter setter) (list #'setter field-id))))
-                  field-specs
-                  (iota (length field-specs))))
-
-    (syntax-case x ()
-      ((_ name (make-name make-arg ...) predicate? field-spec ...)
-       (with-syntax (((type-id ...) (field-types #'(field-spec ...)))
-                     ((field-name ...) (field-names #'(field-spec ...)))
-                     (((getter getter-id) ...) (field-getters #'(field-spec ...)))
-                     (((setter setter-id) ...) (field-setters #'(field-spec ...))))
-         #'(begin
-             (define name
-               (make-foreign-record-type
-                'name
-                (list type-id ...)
-                (list 'field-name ...)))
-
-             (define (make-name make-arg ...)
-               (let* ((types (foreign-record-type-types name))
-                      (c-struct-pointer (make-c-struct types (list make-arg ...))))
-                 (make-foreign-record name c-struct-pointer)))
-
-             (define (predicate? record)
-               (and
-                (foreign-record? record)
-                (let* ((record-type (foreign-record-type record))
-                       (type-name (foreign-record-type-name record-type)))
-                  (equal? type-name (foreign-record-type-name name)))))
-
-             (define (getter record)
-               (let* ((pointer (foreign-record-pointer record))
-                      (record-type (foreign-record-type record))
-                      (types (foreign-record-type-types record-type))
-                      (values (parse-c-struct pointer types)))
-                 (list-ref values getter-id)))
-             ...
-
-             (define (setter record new-value)
-               (let* ((pointer (foreign-record-pointer record))
-                      (record-type (foreign-record-type record))
-                      (types (foreign-record-type-types record-type))
-                      (values (parse-c-struct pointer types)))
-                 (list-set! values setter-id new-value)
-                 (set-foreign-record-pointer! record (make-c-struct types values))
-                 new-value))
-             ...))))))