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authorJose Antonio Ortega Ruiz <jao@gnu.org>2010-05-24 00:03:30 +0200
committerJose Antonio Ortega Ruiz <jao@gnu.org>2010-05-24 00:03:30 +0200
commit2d30daecad657d692a7f3cb66deb496630362600 (patch)
tree6b4f7e2cc66633465715696ec89f018dcb2b2f20 /scheme/plt/geiser/enter.rkt
parent0b491101472741c3728b6ccf80c121d66e90f94e (diff)
downloadgeiser-chez-2d30daecad657d692a7f3cb66deb496630362600.tar.gz
geiser-chez-2d30daecad657d692a7f3cb66deb496630362600.tar.bz2
Racket: PLT implementation renamed to Racket.
Diffstat (limited to 'scheme/plt/geiser/enter.rkt')
-rw-r--r--scheme/plt/geiser/enter.rkt103
1 files changed, 0 insertions, 103 deletions
diff --git a/scheme/plt/geiser/enter.rkt b/scheme/plt/geiser/enter.rkt
deleted file mode 100644
index 705482d..0000000
--- a/scheme/plt/geiser/enter.rkt
+++ /dev/null
@@ -1,103 +0,0 @@
-;;; enter.rkt -- custom module loaders
-
-;; Copyright (C) 2010 Jose Antonio Ortega Ruiz
-
-;; This program is free software; you can redistribute it and/or
-;; modify it under the terms of the Modified BSD License. You should
-;; have received a copy of the license along with this program. If
-;; not, see <http://www.xfree86.org/3.3.6/COPYRIGHT2.html#5>.
-
-;; Start date: Wed Mar 31, 2010 21:53
-
-#lang scheme/base
-
-(require syntax/modcode
- (for-syntax scheme/base))
-
-(provide get-namespace enter-module module-loader module-loaded?)
-
-(define-struct mod (name timestamp depends))
-
-(define loaded (make-hash))
-
-(define (module-loaded? path)
- (with-handlers ((exn? (lambda (_) #f)))
- (let ((rp (module-path-index-resolve (module-path-index-join path #f))))
- (hash-has-key? loaded (resolved-module-path-name rp)))))
-
-(define (enter-module mod)
- (dynamic-require mod #f)
- (check-latest mod))
-
-(define (module-loader orig)
- (enter-load/use-compiled orig #f))
-
-(define (notify re? path)
- (when re?
- (fprintf (current-error-port) " [re-loading ~a]\n" path)))
-
-(define inhibit-eval (make-parameter #f))
-
-(define (get-namespace mod)
- (parameterize ([inhibit-eval #t])
- (module->namespace mod)))
-
-(define ((enter-load/use-compiled orig re?) path name)
- (when (inhibit-eval)
- (raise (make-exn:fail "namespace not found"
- (current-continuation-marks))))
- (if name
- ;; Module load:
- (let ([code (get-module-code path "compiled" compile
- (lambda (ext loader?)
- (load-extension ext)
- #f)
- #:notify (lambda (chosen)
- (notify re? chosen)))]
- [path (normal-case-path
- (simplify-path
- (path->complete-path path
- (or (current-load-relative-directory)
- (current-directory)))))])
- ;; Record module timestamp and dependencies:
- (let ([mod (make-mod name
- (get-timestamp path)
- (if code
- (apply append
- (map cdr (module-compiled-imports code)))
- null))])
- (hash-set! loaded path mod))
- ;; Evaluate the module:
- (eval code))
- ;; Not a module:
- (begin
- (notify re? path)
- (orig path name))))
-
-(define (get-timestamp path)
- (file-or-directory-modify-seconds path #f (lambda () -inf.0)))
-
-(define (check-latest mod)
- (let ([mpi (module-path-index-join mod #f)]
- [done (make-hash)])
- (let loop ([mpi mpi])
- (let* ([rpath (module-path-index-resolve mpi)]
- [path (resolved-module-path-name rpath)])
- (when (path? path)
- (let ([path (normal-case-path path)])
- (unless (hash-ref done path #f)
- (hash-set! done path #t)
- (let ([mod (hash-ref loaded path #f)])
- (when mod
- (for-each loop (mod-depends mod))
- (let ([ts (get-timestamp path)])
- (when (ts . > . (mod-timestamp mod))
- (let ([orig (current-load/use-compiled)])
- (parameterize ([current-load/use-compiled
- (enter-load/use-compiled orig #f)]
- [current-module-declare-name rpath])
- ((enter-load/use-compiled orig #t)
- path
- (mod-name mod)))))))))))))))
-
-;;; enter.rkt ends here