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authorJose Antonio Ortega Ruiz <jao@gnu.org>2009-04-26 15:08:16 +0200
committerJose Antonio Ortega Ruiz <jao@gnu.org>2009-04-26 15:08:16 +0200
commitca867c2f73cca99fceecf949336f51f99fcb1a17 (patch)
tree4cc7a0fcdb379939d3da2db6165bd1c32e210b81
parentdeaddf8a891dd31af63a9881e2c9d4e53ff5ae71 (diff)
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PLT: evaluation functions moved to their own module.
-rw-r--r--scheme/plt/geiser.ss39
-rw-r--r--scheme/plt/geiser/eval.ss65
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