diff options
Diffstat (limited to 'scheme/plt')
| -rw-r--r-- | scheme/plt/geiser.ss | 39 | ||||
| -rw-r--r-- | scheme/plt/geiser/eval.ss | 65 | 
2 files changed, 69 insertions, 35 deletions
| diff --git a/scheme/plt/geiser.ss b/scheme/plt/geiser.ss index 59b49f0..acdb75b 100644 --- a/scheme/plt/geiser.ss +++ b/scheme/plt/geiser.ss @@ -28,44 +28,13 @@    (provide geiser/eval             geiser/compile             geiser/autodoc -           geiser/format-error -           geiser/set-result!             geiser/make-repl-reader)    (compile-enforce-module-constants #f) -  (require scheme/enter scheme/string scheme/port) - -  (define (ensure-module spec) -    (cond ((symbol? spec) spec) -          ((not (string? spec)) #f) -          ((not (file-exists? spec)) #f) -          ((absolute-path? spec) `(file ,spec)) -          (else spec))) - -  (define (exn-key e) -    (vector-ref (struct->vector e) 0)) - -  (define last-result (void)) - -  (define (geiser/format-error e) -    (set! last-result `((error (key . ,(exn-key e)) -                               (subr) -                               (msg . ,(exn-message e)))))) -  (define (geiser/set-result! v) -    (set! last-result `((result  ,v)))) - -  (define nowhere (open-output-nowhere)) - -  (define (geiser/eval form spec) -    (geiser/set-result! (void)) -    (with-handlers ((exn? geiser/format-error)) -      (parameterize ((current-error-port nowhere)) -        (eval #`(enter! #,(ensure-module spec)))) -      ((dynamic-require ''geiser 'geiser/set-result!) (eval form))) -    (enter! #f) -    last-result) - -  (define geiser/compile geiser/eval) +  (require (lib "geiser/eval")) + +  (define geiser/eval eval-in) +  (define geiser/compile compile-in)    (define (geiser/autodoc . x) #f)    (define prompt (make-parameter "mzscheme@(geiser)")) diff --git a/scheme/plt/geiser/eval.ss b/scheme/plt/geiser/eval.ss new file mode 100644 index 0000000..8fa5b81 --- /dev/null +++ b/scheme/plt/geiser/eval.ss @@ -0,0 +1,65 @@ +;; eval.ss -- evaluation + +;; Copyright (C) 2009 Jose Antonio Ortega Ruiz + +;; Author: Jose Antonio Ortega Ruiz <jao@gnu.org> +;; Start date: Sun Apr 26, 2009 00:44 + +;; This file is free software; you can redistribute it and/or modify +;; it under the terms of the GNU General Public License as published by +;; the Free Software Foundation; either version 3 of the License, or +;; (at your option) any later version. + +;; This file is distributed in the hope that it will be useful, +;; but WITHOUT ANY WARRANTY; without even the implied warranty of +;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the +;; GNU General Public License for more details. + +;; You should have received a copy of the GNU General Public License +;; along with this program.  If not, see <http://www.gnu.org/licenses/>. + +;;; Comentary: + +;; Evaluation functions + +;;; Code: + +#lang scheme + +(provide eval-in compile-in set-last-result) + +(require scheme/enter) + +(define last-result (void)) +(define nowhere (open-output-nowhere)) + +(define (ensure-module spec) +  (cond ((symbol? spec) spec) +        ((not (string? spec)) #f) +        ((not (file-exists? spec)) #f) +        ((absolute-path? spec) `(file ,spec)) +        (else spec))) + +(define (exn-key e) +  (vector-ref (struct->vector e) 0)) + +(define (set-last-error e) +  (set! last-result `((error (key . ,(exn-key e)) +                             (subr) +                             (msg . ,(exn-message e)))))) +(define (set-last-result v) +  (set! last-result `((result  ,v)))) + +(define (eval-in form spec) +  (set-last-result (void)) +  (with-handlers ((exn? set-last-error)) +    (parameterize ((current-error-port nowhere)) +      (eval #`(enter! #,(ensure-module spec)))) +    ((dynamic-require '(lib "geiser/eval") +                      'set-last-result) (eval form))) +  (enter! #f) +  last-result) + +(define compile-in eval-in) + +;;; eval.ss ends here | 
