Racket: PLT implementation renamed to Racket.

10 files changed, 0 insertions, 761 deletions

diff --git a/scheme/plt/geiser.rkt b/scheme/plt/geiser.rkt
deleted file mode 100644
index 45d1289..0000000
--- a/scheme/plt/geiser.rkt
+++ /dev/null
@@ -1,22 +0,0 @@
-;;; geiser.rkt -- entry point
-
-;; 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: Sat Apr 25, 2009 22:36
-
-;;; Code:
-
-(require version/utils)
-(unless (version<=? "5.0" (version))
-  (error 'geiser
-         "Racket version 5.0 or better required (found ~a)"
-         (version)))
-
-(require geiser/user)
-
-;;; geiser.rkt ends here
diff --git a/scheme/plt/geiser/autodoc.rkt b/scheme/plt/geiser/autodoc.rkt
deleted file mode 100644
index d6fffbb..0000000
--- a/scheme/plt/geiser/autodoc.rkt
+++ /dev/null
@@ -1,189 +0,0 @@
-;;; autodoc.rkt -- suport for autodoc echo
-
-;; 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: Sun May 03, 2009 14:45
-
-#lang scheme
-
-(provide autodoc update-signature-cache get-help)
-
-(require geiser/utils geiser/modules geiser/locations scheme/help)
-
-(define (get-help symbol mod)
-  (with-handlers ((exn? (lambda (_)
-                          (eval `(help ,symbol)))))
-    (eval `(help ,symbol #:from ,(ensure-module-spec mod)))))
-
-(define (autodoc ids)
-  (if (not (list? ids))
-      '()
-      (map (lambda (id) (or (autodoc* id) (list id))) ids)))
-
-(define (autodoc* id)
-  (and
-   (symbol? id)
-   (let* ((loc (symbol-location* id))
-          (name (car loc))
-          (path (cdr loc))
-          (sgns (and path (find-signatures path name id)))
-          (sgns (and sgns (if (list? sgns) sgns '()))))
-     (and sgns
-          `(,id
-            (name . ,name)
-            (args ,@(map format-signature sgns))
-            (module . ,(module-path-name->name path)))))))
-
-(define (format-signature sign)
-  (if (signature? sign)
-      `((required ,@(signature-required sign))
-        (optional ,@(signature-optional sign)
-                  ,@(let ((rest (signature-rest sign)))
-                      (if rest (list "...") '())))
-        (key ,@(signature-keys sign)))
-      '()))
-
-(define signatures (make-hash))
-
-(define-struct signature (required optional keys rest))
-
-(define (find-signatures path name local-name)
-  (let ((path (if (path? path) (path->string path) path)))
-    (hash-ref! (hash-ref! signatures
-                          path
-                          (lambda () (parse-signatures path)))
-               name
-               (lambda () (infer-signatures local-name)))))
-
-(define (parse-signatures path)
-  (let ((result (make-hasheq)))
-    (with-handlers ((exn? (lambda (e) result)))
-      (with-input-from-file path
-        (lambda ()
-          (parameterize ((read-accept-reader #t))
-            (let loop ((stx (read-syntax path)))
-              (cond ((eof-object? stx) void)
-                    ((syntax->datum stx) =>
-                     (lambda (datum)
-                       (parse-datum! datum result)
-                       (loop (read-syntax path))))
-                    (else void)))))))
-    result))
-
-(define (parse-datum! datum store)
-  (with-handlers ((exn? (lambda (_) void)))
-    (match datum
-      (`(module ,name ,lang (#%module-begin . ,forms))
-       (for-each (lambda (f) (parse-datum! f store)) forms))
-      (`(module ,name ,lang . ,forms)
-       (for-each (lambda (f) (parse-datum! f store)) forms))
-      (`(define ((,name . ,formals) . ,_) . ,_)
-       (add-signature! name formals store))
-      (`(define (,name . ,formals) . ,_)
-       (add-signature! name formals store))
-      (`(define ,name (lambda ,formals . ,_))
-       (add-signature! name formals store))
-      (`(define ,name (case-lambda ,clauses ...))
-       (for-each (lambda (c) (add-signature! name (car c) store))
-                 (reverse clauses)))
-      (`(define-for-syntax (,name . ,formals) . ,_)
-       (add-signature! name formals store))
-      (`(define-for-syntax ,name (lambda ,formals . ,_))
-       (add-signature! name formals store))
-      (`(define-syntax-rule (,name . ,formals) . ,_)
-       (add-signature! name formals store))
-      (`(define-syntax ,name (syntax-rules ,specials . ,clauses))
-       (for-each (lambda (c) (add-signature! name (cdar c) store))
-                 (reverse clauses)))
-      (`(define-syntax ,name (lambda ,_ (syntax-case ,_ . ,clauses)))
-       (for-each (lambda (c) (add-signature! name (cdar c) store))
-                 (reverse clauses)))
-      (_ void))))
-
-(define (add-signature! name formals store)
-  (when (symbol? name)
-    (hash-set! store
-               name
-               (cons (parse-formals formals)
-                     (hash-ref store name '())))))
-
-(define (parse-formals formals)
-  (let loop ((formals formals) (req '()) (opt '()) (keys '()))
-    (cond ((null? formals)
-           (make-signature (reverse req) (reverse opt) (reverse keys) #f))
-          ((symbol? formals)
-           (make-signature (reverse req) (reverse opt)
-                           (reverse keys) formals))
-          ((pair? (car formals)) (loop (cdr formals)
-                                       req
-                                       (cons (car formals) opt)
-                                       keys))
-          ((keyword? (car formals)) (let* ((kname
-                                            (keyword->symbol (car formals)))
-                                           (arg-id (cadr formals))
-                                           (name (if (pair? arg-id)
-                                                     (list kname
-                                                           (cadr arg-id))
-                                                     kname)))
-                                      (loop (cddr formals)
-                                            req
-                                            opt
-                                            (cons name keys))))
-          (else (loop (cdr formals) (cons (car formals) req) opt keys)))))
-
-(define (infer-signatures name)
-  (define syntax-tag (cons 1 0))
-  (define error-tag (cons 1 1))
-  (define generic-signature (make-signature '(...) '() '() #f))
-  (let ((value (with-handlers ((exn:fail:syntax? (lambda (_) syntax-tag))
-                               (exn:fail:contract:variable? (lambda (_)
-                                                              error-tag)))
-                 (namespace-variable-value name))))
-    (cond ((procedure? value) (arity->signatures (procedure-arity value)))
-          ((eq? value syntax-tag) (list generic-signature))
-          ((eq? value error-tag) #f)
-          (else 'variable))))
-
-(define (arity->signatures arity)
-  (define (args fst count)
-    (let* ((letts (list->vector '(#\x #\y #\z #\u #\v #\w #\r #\s)))
-           (len (vector-length letts))
-           (lett (lambda (n) (vector-ref letts (modulo n len)))))
-      (map (lambda (n) (string->symbol (format "~a" (lett n))))
-           (build-list count (lambda (n) (+ n fst))))))
-  (define (arity->signature arity)
-    (cond ((number? arity)
-           (make-signature (args 0 arity) '() '() #f))
-          ((arity-at-least? arity)
-           (make-signature (args 0 (arity-at-least-value arity))
-                           '() '() 'rest))))
-  (define (conseq? lst)
-    (cond ((< (length lst) 2) (number? (car lst)))
-          ((and (number? (car lst))
-                (number? (cadr lst))
-                (eqv? (+ 1 (car lst)) (cadr lst)))
-           (conseq? (cdr lst)))
-          (else #f)))
-  (cond ((and (list? arity) (conseq? arity))
-         (let ((mi (apply min arity))
-               (ma (apply max arity)))
-           (list (make-signature (args 0 mi) (args mi (- ma mi)) '() #f))))
-        ((list? arity) (map arity->signature arity))
-        (else (list (arity->signature arity)))))
-
-(define (update-signature-cache path . form)
-  (when (and (string? path)
-             (or (null? form)
-                 (and (list? (car form))
-                      (not (null? (car form)))
-                      (memq (caar form)
-                            '(define-syntax-rule
-                               define-syntax define set! define-struct)))))
-    (hash-remove! signatures path)))
-
-;;; autodoc.rkt ends here
diff --git a/scheme/plt/geiser/completions.rkt b/scheme/plt/geiser/completions.rkt
deleted file mode 100644
index e0ff239..0000000
--- a/scheme/plt/geiser/completions.rkt
+++ /dev/null
@@ -1,31 +0,0 @@
-;;; completions.rkt -- completion support
-
-;; 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: Sun Apr 26, 2009 19:02
-
-#lang scheme
-
-(provide symbol-completions
-         module-completions)
-
-(require srfi/13 geiser/utils geiser/modules)
-
-(define (filter-prefix prefix lst sort?)
-  (filter (lambda (s) (string-prefix? prefix s))
-          (if sort? (sort lst string<?) lst)))
-
-(define (symbol-completions prefix)
-  (filter-prefix prefix
-                 (map symbol->string (namespace-mapped-symbols))
-                 #t))
-
-(define (module-completions prefix)
-  (filter-prefix prefix (module-list) #f))
-
-;;; completions.rkt ends here
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
diff --git a/scheme/plt/geiser/eval.rkt b/scheme/plt/geiser/eval.rkt
deleted file mode 100644
index cef6130..0000000
--- a/scheme/plt/geiser/eval.rkt
+++ /dev/null
@@ -1,81 +0,0 @@
-;;; eval.rkt -- evaluation
-
-;; 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: Sun Apr 26, 2009 00:44
-
-#lang scheme
-
-(provide eval-in
-         compile-in
-         load-file
-         compile-file
-         macroexpand
-         make-repl-reader)
-
-(require scheme/enter geiser/modules geiser/autodoc)
-
-(define last-result (void))
-
-(define namespace->module-name
-  (compose module-path-name->name namespace->module-path-name))
-
-(define last-namespace (make-parameter (current-namespace)))
-
-(define (exn-key e)
-  (vector-ref (struct->vector e) 0))
-
-(define (set-last-error e)
-  (set! last-result `((error (key . ,(exn-key e)))))
-  (display (exn-message e)))
-
-(define (write-value v)
-  (with-output-to-string
-    (lambda () (write v))))
-
-(define (set-last-result . vs)
-  (set! last-result `((result  ,@(map write-value vs)))))
-
-(define (call-with-result thunk)
-  (set-last-result (void))
-  (let ((output
-         (with-output-to-string
-           (lambda ()
-             (with-handlers ((exn? set-last-error))
-               (call-with-values thunk set-last-result))))))
-    (append last-result `((output . ,output)))))
-
-(define (eval-in form spec lang)
-  (call-with-result
-   (lambda ()
-     (update-signature-cache spec form)
-     (eval form (module-spec->namespace spec lang)))))
-
-(define compile-in eval-in)
-
-(define (load-file file)
-  (call-with-result
-   (lambda ()
-     (load-module file (current-output-port) (last-namespace))
-     (update-signature-cache file))))
-
-(define compile-file load-file)
-
-(define (macroexpand form . all)
-  (let ((all (and (not (null? all)) (car all))))
-    (with-output-to-string
-      (lambda ()
-        (pretty-print (syntax->datum ((if all expand expand-once) form)))))))
-
-(define (make-repl-reader builtin-reader)
-  (lambda (ns)
-    (last-namespace ns)
-    (printf "racket@~a" (namespace->module-name ns))
-    (builtin-reader)))
-
-;;; eval.rkt ends here
diff --git a/scheme/plt/geiser/locations.rkt b/scheme/plt/geiser/locations.rkt
deleted file mode 100644
index bae7122..0000000
--- a/scheme/plt/geiser/locations.rkt
+++ /dev/null
@@ -1,54 +0,0 @@
-;;; locations.rkt -- locating symbols
-
-;; 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: Sun Apr 26, 2009 19:43
-
-#lang scheme
-
-(provide symbol-location
-         symbol-location*
-         module-location
-         symbol-module-name
-         symbol-module-path-name)
-
-(require geiser/utils geiser/modules)
-
-(define (symbol-location* sym)
-  (let* ((id (namespace-symbol->identifier sym))
-         (binding (and id (identifier-binding id))))
-    (if (list? binding)
-        (cons
-         (cadr binding)
-         (resolved-module-path-name
-          (module-path-index-resolve (car binding))))
-        (cons sym #f))))
-
-(define (make-location name path line)
-  (list (cons 'name name)
-        (cons 'file (if (path? path) (path->string path) '()))
-        (cons 'line (or line '()))))
-
-(define (symbol-location sym)
-  (let* ((loc (symbol-location* sym))
-         (name (car loc))
-         (path (cdr loc)))
-    (if path
-        (make-location name path #f)
-        (module-location sym))))
-
-(define symbol-module-path-name (compose cdr symbol-location*))
-
-(define symbol-module-name
-  (compose module-path-name->name symbol-module-path-name))
-
-(define (module-location sym)
-  (make-location sym (module-spec->path-name sym) 1))
-
-
-;;; locations.rkt ends here
diff --git a/scheme/plt/geiser/main.rkt b/scheme/plt/geiser/main.rkt
deleted file mode 100644
index d6ff332..0000000
--- a/scheme/plt/geiser/main.rkt
+++ /dev/null
@@ -1,47 +0,0 @@
-;;; main.rkt -- exported interface for emacs
-
-;; 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 21:14
-
-#lang scheme/base
-
-(provide geiser:eval
-         geiser:compile
-         geiser:load-file
-         geiser:compile-file
-         geiser:macroexpand
-         geiser:completions
-         geiser:module-completions
-         geiser:symbol-location
-         geiser:module-location
-         geiser:module-exports
-         geiser:autodoc
-         geiser:help)
-
-(require geiser/eval
-         geiser/modules
-         geiser/completions
-         geiser/locations
-         geiser/autodoc)
-
-(define (geiser:eval lang)
-  (lambda (form spec) (eval-in form spec lang)))
-(define geiser:compile compile-in)
-(define geiser:load-file load-file)
-(define geiser:compile-file compile-file)
-(define geiser:autodoc autodoc)
-(define geiser:help get-help)
-(define geiser:completions symbol-completions)
-(define geiser:module-completions module-completions)
-(define geiser:symbol-location symbol-location)
-(define geiser:module-location module-location)
-(define geiser:module-exports module-exports)
-(define geiser:macroexpand macroexpand)
-
-;;; main.rkt ends here
diff --git a/scheme/plt/geiser/modules.rkt b/scheme/plt/geiser/modules.rkt
deleted file mode 100644
index 2de8e35..0000000
--- a/scheme/plt/geiser/modules.rkt
+++ /dev/null
@@ -1,150 +0,0 @@
-;;; modules.rkt -- 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)
-  (let ((ext (filename-extension path)))
-    (and ext
-         (or (bytes=? ext #"rkt") (bytes=? ext #"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))
-                 ((or (file-exists? (build-path path "main.rkt"))
-                      (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.rkt ends here
diff --git a/scheme/plt/geiser/user.rkt b/scheme/plt/geiser/user.rkt
deleted file mode 100644
index 19b1e1b..0000000
--- a/scheme/plt/geiser/user.rkt
+++ /dev/null
@@ -1,57 +0,0 @@
-;;; user.rkt -- global bindings visible to geiser users
-
-;; 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 22:24
-
-#lang scheme/base
-
-(provide enter!)
-
-(require geiser/enter geiser/eval (for-syntax scheme/base))
-
-(define-syntax (enter! stx)
-  (syntax-case stx ()
-    [(enter! mod)
-     (if (or (not (syntax-e #'mod))
-             (module-path? (syntax->datum #'mod)))
-         #'(do-enter! 'mod)
-         (raise-syntax-error
-          #f
-          "not a valid module path, and not #f"
-          stx
-          #'mod))]
-    [_ (raise-syntax-error
-        #f
-        "bad syntax; should be `(enter! <module-path-or-#f>)'"
-        stx)]))
-
-(define orig-namespace (current-namespace))
-
-(define (do-enter! mod)
-  (if mod
-      (begin
-        (enter-module mod)
-        (let ([ns (module->namespace mod)])
-          (current-namespace ns)
-          (namespace-require 'geiser/user)))
-      (current-namespace orig-namespace)))
-
-
-(define orig-loader (current-load/use-compiled))
-
-(define (init)
-  (compile-enforce-module-constants #f)
-  (current-load/use-compiled (module-loader orig-loader))
-  (current-prompt-read (compose (make-repl-reader (current-prompt-read))
-                                current-namespace)))
-
-(init)
-
-;;; user.rkt ends here
-
diff --git a/scheme/plt/geiser/utils.rkt b/scheme/plt/geiser/utils.rkt
deleted file mode 100644
index f6c739c..0000000
--- a/scheme/plt/geiser/utils.rkt
+++ /dev/null
@@ -1,27 +0,0 @@
-;;; utils.rkt -- generic utilities
-
-;; 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: Sun May 03, 2009 03:09
-
-#lang scheme
-
-(provide pair->list
-         keyword->symbol
-         symbol->keyword)
-
-(define (pair->list pair)
-  (let loop ((d pair) (s '()))
-    (cond ((null? d) (reverse s))
-          ((symbol? d) (reverse (cons d s)))
-          (else (loop (cdr d) (cons (car d) s))))))
-
-(define keyword->symbol (compose string->symbol keyword->string))
-(define (symbol->keyword sym) (string->keyword (format "~a" sym)))
-
-;;; utils.rkt ends here