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authorJose Antonio Ortega Ruiz <jao@gnu.org>2010-05-23 23:10:52 +0200
committerJose Antonio Ortega Ruiz <jao@gnu.org>2010-05-23 23:10:52 +0200
commit94f76a1565f09d189d9f2cef6d3df7860321709e (patch)
tree766fd38a46c3cd5dd4835ec73f57598d698466cf /scheme/plt/geiser/modules.ss
parentacceb169d10e6096124a79b57d1c7e2dc447d37d (diff)
downloadgeiser-chez-94f76a1565f09d189d9f2cef6d3df7860321709e.tar.gz
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Racket support (PLT 5 needed).
Diffstat (limited to 'scheme/plt/geiser/modules.ss')
-rw-r--r--scheme/plt/geiser/modules.ss147
1 files changed, 0 insertions, 147 deletions
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