[gforth] / gforth / script.fs

gforth: gforth/script.fs

1 :	anton	1.2	\ Copyright (C) 2001 Free Software Foundation, Inc.
2 :
3 :			\ This file is part of Gforth.
4 :
5 :			\ Gforth is free software; you can redistribute it and/or
6 :			\ modify it under the terms of the GNU General Public License
7 :			\ as published by the Free Software Foundation; either version 2
8 :			\ of the License, or (at your option) any later version.
9 :
10 :			\ This program is distributed in the hope that it will be useful,
11 :			\ but WITHOUT ANY WARRANTY; without even the implied warranty of
12 :			\ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 :			\ GNU General Public License for more details.
14 :
15 :			\ You should have received a copy of the GNU General Public License
16 :			\ along with this program; if not, write to the Free Software
17 :			\ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
18 :
19 :	pazsan	1.1	\ scripting extensions
20 :
21 :			: sh-eval ( addr u -- )
22 :			\G evaluate string + rest of command line
23 :			2dup 2>r >in @ >r negate
24 :			source >in @ 1- /string + c@ bl <> + >in +! drop sh
25 :			$? IF r> >in ! 2r> defers interpreter-notfound
26 :			ELSE rdrop 2rdrop THEN ;
27 :			' sh-eval IS interpreter-notfound
28 :
29 :			2Variable sh$ 0. sh$ 2!
30 :			: sh-get ( addr u -- addr' u' )
31 :			\G open command addr u, and read in the result
32 :			sh$ free-mem-var
33 :			r/o open-pipe throw dup >r slurp-fid
34 :			r> close-pipe throw to $? 2dup sh$ 2! ;
35 :
36 :			:noname '` parse sh-get ;
37 :			:noname '` parse postpone SLiteral postpone sh-get ;
38 :			interpret/compile: s`