From 5d28bc889c524d5574b12996a08d75236f75a176 Mon Sep 17 00:00:00 2001 From: David Thompson Date: Sun, 30 Nov 2014 19:23:53 -0500 Subject: Delete another file that shouldn't have been committed. * sly/cache.scm: Delete. --- sly/cache.scm | 91 ----------------------------------------------------------- 1 file changed, 91 deletions(-) delete mode 100644 sly/cache.scm 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 -;;; -;;; 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 -;;; . - -;;; 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 - (%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) -- cgit v1.2.3