mirror of
https://git.savannah.gnu.org/git/guile.git
synced 2025-04-30 03:40:34 +02:00
91 lines
2.8 KiB
Scheme
91 lines
2.8 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 language)
|
||
:use-module (system vm core)
|
||
:use-module (system vm trace)
|
||
:export (make-repl repl-welcome repl-prompt repl-read repl-compile
|
||
repl-eval repl-print repl-compile-file repl-load-file))
|
||
|
||
|
||
;;;
|
||
;;; Repl
|
||
;;;
|
||
|
||
(define-vm-class <repl> ()
|
||
vm language module value-count value-history tm-stats vm-stats gc-stats)
|
||
|
||
(define (make-repl lang)
|
||
(let ((vm (the-vm)))
|
||
(make <repl>
|
||
:vm vm
|
||
:language (lookup-language lang)
|
||
:module #f ;; (global-ref 'user)
|
||
:value-count 0
|
||
; :value-history (make-vmodule)
|
||
:tm-stats (times)
|
||
:vm-stats (vm-stats vm)
|
||
:gc-stats (gc-stats))))
|
||
|
||
(define (repl-welcome repl)
|
||
(format #t "~A interpreter ~A on Guile ~A\n"
|
||
repl.language.title repl.language.version (version))
|
||
(display "Copyright (C) 2001 Free Software Foundation, Inc.\n\n")
|
||
(display "Enter `,help' for help.\n"))
|
||
|
||
(define (repl-prompt repl)
|
||
(format #t "~A@~A> " repl.language.name 'guile)
|
||
;; (env-identifier repl.module))
|
||
(force-output))
|
||
|
||
(define (repl-read repl . args)
|
||
(apply read-in repl.language args))
|
||
|
||
(define (repl-compile repl form . opts)
|
||
(apply compile-in form repl.module repl.language opts))
|
||
|
||
(define (repl-eval repl form)
|
||
(let ((evaler repl.language.evaler))
|
||
(if evaler
|
||
(evaler form repl.module)
|
||
(vm-load repl.vm (repl-compile repl form)))))
|
||
|
||
(define (repl-print repl val)
|
||
(if (not (eq? val *unspecified*))
|
||
(let* ((num (1+ repl.value-count))
|
||
(sym (string->symbol (format #f "$~A" num))))
|
||
; (vmodule-define repl.value-history sym val)
|
||
(format #t "~A = " sym)
|
||
(print-in val repl.language)
|
||
(newline)
|
||
(set! repl.value-count num))))
|
||
|
||
(define (repl-compile-file repl form . opts)
|
||
(apply compile-file-in form repl.module repl.language opts))
|
||
|
||
(define (repl-load-file repl file . opts)
|
||
(let ((bytes (apply load-file-in file repl.module repl.language opts)))
|
||
(if (memq :t opts)
|
||
(vm-trace repl.vm bytes :a)
|
||
(vm-load repl.vm bytes))))
|