1: \ Copyright (C) 2001,2003,2007 Free Software Foundation, Inc.
3: \ This file is part of Gforth.
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 3
8: \ of the License, or (at your option) any later version.
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.
15: \ You should have received a copy of the GNU General Public License
16: \ along with this program. If not, see http://www.gnu.org/licenses/.
18: \ scripting extensions
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: $? IF r> >in ! 2r> defers interpreter-notfound
25: ELSE rdrop 2rdrop THEN ;
26: ' sh-eval IS interpreter-notfound
28: 2Variable sh$ 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! ;
35: :noname '` parse sh-get ;
36: :noname '` parse postpone SLiteral postpone sh-get ;
37: interpret/compile: s`