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authorJose Antonio Ortega Ruiz <jao@gnu.org>2009-05-08 01:48:52 +0200
committerJose Antonio Ortega Ruiz <jao@gnu.org>2009-05-08 01:48:52 +0200
commitc09f5bbaa836d04a9babdff0943dc596dbc68e38 (patch)
treee2c9c91fa86534ba9479c03a067164947fb034d1 /scheme/plt/geiser
parent9127a121c76f5d5606bca9a668bda5509ec3b830 (diff)
downloadgeiser-chez-c09f5bbaa836d04a9babdff0943dc596dbc68e38.tar.gz
geiser-chez-c09f5bbaa836d04a9babdff0943dc596dbc68e38.tar.bz2
Module completion generalized and implemented for PLT.
Diffstat (limited to 'scheme/plt/geiser')
-rw-r--r--scheme/plt/geiser/modules.ss42
1 files changed, 41 insertions, 1 deletions
diff --git a/scheme/plt/geiser/modules.ss b/scheme/plt/geiser/modules.ss
index 9ccb421..a1094af 100644
--- a/scheme/plt/geiser/modules.ss
+++ b/scheme/plt/geiser/modules.ss
@@ -26,7 +26,8 @@
module-spec->namespace
namespace->module-path-name
module-path-name->name
- module-spec->path-name)
+ module-spec->path-name
+ module-list)
(require srfi/13 scheme/enter)
@@ -84,4 +85,43 @@
((symbol? path) (symbol->string path))
(else "<top>")))
+
+(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 module-cache #f)
+
+(define (module-list)
+ (when (not module-cache)
+ (set! module-cache
+ (sort (foldl find-modules '() (current-library-collection-paths))
+ string<?)))
+ module-cache)
+
+
;;; modules.ss ends here