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99fa8f0c NG |
1 | ;; Copyright (C) 2015 |
2 | ;; "Mu Lei" known as "NalaGinrut" <NalaGinrut@gmail.com> | |
3 | ;; This file is free software: you can redistribute it and/or modify | |
4 | ;; it under the terms of the GNU General Public License as published by | |
5 | ;; the Free Software Foundation, either version 3 of the License, or | |
6 | ;; (at your option) any later version. | |
7 | ||
8 | ;; This file is distributed in the hope that it will be useful, | |
9 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
11 | ;; GNU General Public License for more details. | |
12 | ||
13 | ;; You should have received a copy of the GNU General Public License | |
14 | ;; along with this program. If not, see <http://www.gnu.org/licenses/>. | |
15 | ||
16 | (import (readline) (reader) (printer)) | |
17 | ||
18 | (define (READ) | |
19 | (read_str (readline "user> "))) | |
20 | ||
21 | (define (EVAL ast env) ast) | |
22 | ||
23 | (define (PRINT exp) | |
24 | (and (not (eof-object? exp)) | |
25 | ;;(add-history str) | |
26 | (format #t "~a~%" (pr_str exp #t)))) | |
27 | ||
28 | (define (LOOP continue?) | |
29 | (and continue? (REPL))) | |
30 | ||
31 | (define (REPL) | |
32 | (LOOP (PRINT (EVAL (READ) "")))) | |
33 | ||
34 | (REPL) |