[gforth] / gforth / script.fs

gforth: gforth/script.fs

1 :	anton	1.5	\ Copyright (C) 2001,2003,2007 Free Software Foundation, Inc.
2 :	anton	1.2
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 :	anton	1.4	\ as published by the Free Software Foundation, either version 3
8 :	anton	1.2	\ 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 :	anton	1.4	\ along with this program. If not, see http://www.gnu.org/licenses/.
17 :	anton	1.2
18 :	pazsan	1.1	\ scripting extensions
19 :
20 :			: sh-eval ( addr u -- )
21 :			\G evaluate string + rest of command line
22 :			2dup 2>r >in @ >r negate
23 :			source >in @ 1- /string + c@ bl <> + >in +! drop sh
24 :			$? IF r> >in ! 2r> defers interpreter-notfound
25 :			ELSE rdrop 2rdrop THEN ;
26 :			' sh-eval IS interpreter-notfound
27 :
28 :			2Variable sh$ 0. sh$ 2!
29 :			: sh-get ( addr u -- addr' u' )
30 :			\G open command addr u, and read in the result
31 :			sh$ free-mem-var
32 :			r/o open-pipe throw dup >r slurp-fid
33 :			r> close-pipe throw to $? 2dup sh$ 2! ;
34 :
35 :			:noname '` parse sh-get ;
36 :			:noname '` parse postpone SLiteral postpone sh-get ;
37 :			interpret/compile: s`