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author | Jose Antonio Ortega Ruiz <jao@gnu.org> | 2010-05-23 23:10:52 +0200 |
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committer | Jose Antonio Ortega Ruiz <jao@gnu.org> | 2010-05-23 23:10:52 +0200 |
commit | 94f76a1565f09d189d9f2cef6d3df7860321709e (patch) | |
tree | 766fd38a46c3cd5dd4835ec73f57598d698466cf /scheme/plt/geiser/modules.ss | |
parent | acceb169d10e6096124a79b57d1c7e2dc447d37d (diff) | |
download | geiser-chez-94f76a1565f09d189d9f2cef6d3df7860321709e.tar.gz geiser-chez-94f76a1565f09d189d9f2cef6d3df7860321709e.tar.bz2 |
Racket support (PLT 5 needed).
Diffstat (limited to 'scheme/plt/geiser/modules.ss')
-rw-r--r-- | scheme/plt/geiser/modules.ss | 147 |
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 |