;;;;***************************************************************************
;;;;
;;;; FILE IDENTIFICATION
-;;;;
+;;;;
;;;; Name: edge-table-storage.lisp
;;;; Purpose: Store precompiled edge table for reversi
;;;; Programer: Kevin Rosenberg
(eval-when (:load-toplevel :execute)
(let ((precompiled-path (make-pathname
- :directory '(:absolute "usr" "share" "common-lisp"
- "source" "reversi")
- :name "edge-table"
- :type "dat")))
+ :directory '(:absolute "usr" "share" "common-lisp"
+ "source" "reversi")
+ :name "edge-table"
+ :type "dat")))
(if (probe-file precompiled-path)
- (setq *et-path* precompiled-path)
+ (setq *et-path* precompiled-path)
(setq *et-path* (make-pathname
- :directory (pathname-directory *load-truename*)
- :host (pathname-host *load-truename*)
- :device (pathname-device *load-truename*)
- :name "edge-table"
- :type "dat"))))
+ :directory (pathname-directory *load-truename*)
+ :host (pathname-host *load-truename*)
+ :device (pathname-device *load-truename*)
+ :name "edge-table"
+ :type "dat"))))
(defun store-edge-table (et &optional (path *et-path*))
(declare (type edge-table et))
(with-open-file (stream path :direction :output
- :if-exists :supersede)
+ :if-exists :supersede)
(print (length et) stream)
(dotimes (i (length et))
- (declare (fixnum i))
- (print (aref et i) stream))))
-
+ (declare (fixnum i))
+ (print (aref et i) stream))))
+
(defun load-edge-table (&optional (path *et-path*))
(when (probe-file path)
(with-open-file (stream path :direction :input)
- (let* ((length (read stream))
- (et (make-array length :element-type 'fixnum)))
- (declare (type (simple-array fixnum (*)) et))
- (dotimes (i length)
- (declare (fixnum i))
- (setf (aref et i) (read stream)))
- et))))
-
+ (let* ((length (read stream))
+ (et (make-array length :element-type 'fixnum)))
+ (declare (type (simple-array fixnum (*)) et))
+ (dotimes (i length)
+ (declare (fixnum i))
+ (setf (aref et i) (read stream)))
+ et))))
+
(unless (probe-file *et-path*)
(format *trace-output* ";; Recompiling edge-table, this make take several minutes")
(store-edge-table (make-edge-table)))
-
+
(unless *edge-table*
(setq *edge-table* (load-edge-table))))