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-rw-r--r--sly/cache.scm91
1 files changed, 0 insertions, 91 deletions
diff --git a/sly/cache.scm b/sly/cache.scm
deleted file mode 100644
index 32429c8..0000000
--- a/sly/cache.scm
+++ /dev/null
@@ -1,91 +0,0 @@
-;;; Sly
-;;; Copyright (C) 2014 David Thompson <dthompson2@worcester.edu>
-;;;
-;;; This program is free software: you can redistribute it and/or
-;;; modify it under the terms of the GNU General Public License as
-;;; published by the Free Software Foundation, either version 3 of the
-;;; License, or (at your option) any later version.
-;;;
-;;; This program is distributed in the hope that it will be useful,
-;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
-;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-;;; General Public License for more details.
-;;;
-;;; You should have received a copy of the GNU General Public License
-;;; along with this program. If not, see
-;;; <http://www.gnu.org/licenses/>.
-
-;;; Commentary:
-;;
-;; Asset cache.
-;;
-;;; Code:
-
-(define-module (sly cache)
- #:use-module (srfi srfi-9)
- #:export (make-cache
- cache?
- cache-ref
- cache-set!
- cached?
- cached))
-
-(define-record-type <cache>
- (%make-cache table max-size)
- cache?
- (table cache-table)
- (max-size cache-max-size))
-
-(define (make-cache max-size)
- (%make-cache (make-weak-key-hash-table) max-size))
-
-(define (cache-miss! cache proc args)
- (let ((results (call-with-values (lambda ()
- (apply proc args))
- list)))
- (hash-set! (cache-table cache) (cons proc args) results)
- results))
-
-(define (cache-ref cache proc args)
- (hash-ref (cache-table cache) (cons proc args)))
-
-(define (cached cache proc . args)
- (apply values (or (cache-ref cache proc args)
- (cache-miss! cache proc args))))
-
-(define (cache-clear! cache)
- (hash-clear! (cache-table cache)))
-
-(define-syntax-rule (define-cached (name arg ...)
- default-cache docstring body ...)
- (define (name arg ...)
- docstring
- (cached default-cache (lambda (arg ...) body ...) arg ...)))
-
-(define font-cache (make-cache 100))
-
-(define-cached (load-font filename) font-cache
- "Hello."
- (display "load!\n")
- (format #f "loaded font ~a" filename))
-
-(define texture-cache (make-cache 100))
-
-(define (%load-texture filename)
- (display "load!\n")
- (format #f "~a loaded" filename))
-
-(define (load-texture filename)
- (cached texture-cache %load-texture filename))
-
-(load-texture "foo.jpg")
-
-(cached texture-cache "bar" (load-texture "foo"))
-
-(define-cached (load-texture filename)
- ())
-
-(load-cache 'image "images/p1_front.png")
-(load-asset cache 'font "fonts/sans.ttf" 16)
-
-(load-asset 'clear)