From 94f76a1565f09d189d9f2cef6d3df7860321709e Mon Sep 17 00:00:00 2001
From: Jose Antonio Ortega Ruiz <jao@gnu.org>
Date: Sun, 23 May 2010 23:10:52 +0200
Subject: Racket support (PLT 5 needed).

---
 scheme/plt/geiser/modules.ss | 147 -------------------------------------------
 1 file changed, 147 deletions(-)
 delete mode 100644 scheme/plt/geiser/modules.ss

(limited to 'scheme/plt/geiser/modules.ss')

diff --git a/scheme/plt/geiser/modules.ss b/scheme/plt/geiser/modules.ss
deleted file mode 100644
index 829cf77..0000000
--- a/scheme/plt/geiser/modules.ss
+++ /dev/null
@@ -1,147 +0,0 @@
-;;; modules.ss -- module metadata
-
-;; Copyright (C) 2009, 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 May 06, 2009 02:35
-
-#lang scheme
-
-(provide load-module
-         ensure-module-spec
-         module-spec->namespace
-         namespace->module-path-name
-         module-path-name->name
-         module-spec->path-name
-         module-list
-         module-exports)
-
-(require srfi/13 syntax/modresolve syntax/modcode geiser/enter)
-
-(define (ensure-module-spec spec)
-  (cond ((symbol? spec) spec)
-        ((not (string? spec)) #f)
-        (else `(file ,spec))))
-
-(define (module-spec->namespace spec (lang #f))
-  (let ((spec (ensure-module-spec spec))
-        (try-lang (lambda (_)
-                    (with-handlers ((exn? (const (current-namespace))))
-                      (and lang
-                           (begin
-                             (load-module lang #f (current-namespace))
-                             (module->namespace lang)))))))
-    (or (and spec
-             (with-handlers ((exn? try-lang)) (get-namespace spec)))
-        (current-namespace))))
-
-(define nowhere (open-output-nowhere))
-
-(define (load-module spec (port #f) (ns #f))
-  (parameterize ((current-error-port (or port nowhere)))
-    (enter-module (ensure-module-spec spec))
-    (when (namespace? ns)
-      (current-namespace ns))))
-
-(define (namespace->module-path-name ns)
-  (let ((rmp (variable-reference->resolved-module-path
-              (eval '(#%variable-reference) ns))))
-    (and (resolved-module-path? rmp)
-         (resolved-module-path-name rmp))))
-
-(define (module-spec->path-name spec)
-  (with-handlers ((exn? (lambda (_) #f)))
-    (let ((ns (module-spec->namespace (ensure-module-spec spec))))
-      (namespace->module-path-name ns))))
-
-(define (module-path-name->name path)
-  (cond ((path? path)
-         (let* ((path (path->string path))
-                (cpaths (map (compose path->string path->directory-path)
-                             (current-library-collection-paths)))
-                (prefix-len (lambda (p)
-                              (let ((pl (string-length p)))
-                                (if (= pl (string-prefix-length p path))
-                                    pl
-                                    0))))
-                (lens (map prefix-len cpaths))
-                (real-path (substring path (apply max lens))))
-           (if (absolute-path? real-path)
-               (call-with-values (lambda () (split-path path))
-                 (lambda (_ basename __) (path->string basename)))
-               (regexp-replace "\\.[^./]*$" real-path ""))))
-        ((eq? path '#%kernel) "(kernel)")
-        ((string? path) path)
-        ((symbol? path) (symbol->string path))
-        (else "")))
-
-(define (skippable-dir? path)
-  (call-with-values (lambda () (split-path path))
-    (lambda (_ basename __)
-      (member (path->string basename) '(".svn" "compiled")))))
-
-(define path->symbol (compose string->symbol path->string))
-
-(define (path->entry path)
-  (and (bytes=? (or (filename-extension path) #"") #"ss")
-       (let ((path (path->string path)))
-         (substring path 0 (- (string-length path) 3)))))
-
-(define (visit-module-path path kind acc)
-  (case kind
-    ((file) (let ((entry (path->entry path)))
-              (if entry (cons entry acc) acc)))
-    ((dir) (cond ((skippable-dir? path) (values acc #f))
-                 ((file-exists? (build-path path "main.ss"))
-                  (cons (path->string path) acc))
-                 (else acc)))
-    (else acc)))
-
-(define (find-modules path acc)
-  (if (directory-exists? path)
-      (parameterize ((current-directory path))
-        (fold-files visit-module-path acc))
-      acc))
-
-(define (known-modules)
-  (sort (foldl find-modules '() (current-library-collection-paths)) string<?))
-
-(define module-cache #f)
-(define (update-module-cache)
-  (when (not module-cache) (set! module-cache (known-modules))))
-
-(define (module-list)
-  (update-module-cache)
-  module-cache)
-
-(define (module-exports mod)
-  (define (extract-ids ls)
-    (append-map (lambda (idls)
-                  (map car (cdr idls)))
-                ls))
-  (define (classify-ids ids ns)
-    (let loop ((ids ids) (procs '()) (vars '()))
-      (cond ((null? ids)
-             `((procs ,@(reverse procs)) (vars ,@(reverse vars))))
-            ((procedure?
-              (namespace-variable-value (car ids) #t (const #f) ns))
-             (loop (cdr ids) (cons (car ids) procs) vars))
-            (else (loop (cdr ids) procs (cons (car ids) vars))))))
-  (let-values (((reg syn)
-                (module-compiled-exports
-                 (get-module-code (resolve-module-path mod #f)))))
-    (let ((syn (extract-ids syn))
-          (reg (extract-ids reg)))
-      `((syntax ,@syn) ,@(classify-ids reg (module-spec->namespace mod))))))
-
-(define (startup)
- (thread update-module-cache)
- (void))
-
-(startup)
-
-;;; modules.ss ends here
-- 
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