mirror of
https://git.savannah.gnu.org/git/guile.git
synced 2025-04-30 03:40:34 +02:00
87 lines
2.5 KiB
Scheme
87 lines
2.5 KiB
Scheme
;;; Repl common routines
|
||
|
||
;; Copyright (C) 2001 Free Software Foundation, Inc.
|
||
|
||
;; This program 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 2, or (at your option)
|
||
;; any later version.
|
||
;;
|
||
;; This program 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; see the file COPYING. If not, write to
|
||
;; the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
||
;; Boston, MA 02111-1307, USA.
|
||
|
||
;;; Code:
|
||
|
||
(define-module (system repl common)
|
||
:use-module (oop goops)
|
||
:use-syntax (system base syntax)
|
||
:use-module (system base compile)
|
||
:use-module (system base language)
|
||
:use-module (system vm core)
|
||
:use-module (system vm trace))
|
||
|
||
|
||
;;;
|
||
;;; Repl type
|
||
;;;
|
||
|
||
(define-vm-class <repl> () env tm-stats vm-stats gc-stats)
|
||
|
||
(define-public (make-repl lang)
|
||
(let ((cenv (make-cenv :vm (the-vm)
|
||
:language (lookup-language lang)
|
||
:module (current-module))))
|
||
(make <repl>
|
||
:env cenv
|
||
:tm-stats (times)
|
||
:vm-stats (vm-stats cenv.vm)
|
||
:gc-stats (gc-stats))))
|
||
|
||
(define-public (repl-welcome repl)
|
||
(format #t "~A interpreter ~A on Guile ~A\n"
|
||
repl.env.language.title repl.env.language.version (version))
|
||
(display "Copyright (C) 2001 Free Software Foundation, Inc.\n\n")
|
||
(display "Enter `,help' for help.\n"))
|
||
|
||
(define-public (repl-prompt repl)
|
||
(let ((module-name (car (last-pair (module-name repl.env.module)))))
|
||
(format #t "~A@~A> " repl.env.language.name module-name)
|
||
(force-output)))
|
||
|
||
(define-public (repl-read repl)
|
||
(repl.env.language.reader))
|
||
|
||
(define-public (repl-compile repl form . opts)
|
||
(apply compile-in form repl.env.module repl.env.language opts))
|
||
|
||
(define-public (repl-eval repl form)
|
||
(let ((eval repl.env.language.evaluator))
|
||
(if eval
|
||
(eval form repl.env.module)
|
||
(vm-load repl.env.vm (repl-compile repl form)))))
|
||
|
||
(define-public (repl-print repl val)
|
||
(if (not (eq? val *unspecified*))
|
||
(begin
|
||
(repl.env.language.printer val)
|
||
(newline))))
|
||
|
||
|
||
;;;
|
||
;;; Utilities
|
||
;;;
|
||
|
||
(define-public (puts x) (display x) (newline))
|
||
|
||
(define-public (->string x)
|
||
(object->string x display))
|
||
|
||
(define-public (user-error msg . args)
|
||
(throw 'user-error #f msg args #f))
|