[gforth] / gforth / quotedstring.fs

gforth: gforth/quotedstring.fs

1 :	pazsan	1.1	\ Quoted string recognizer
2 :
3 :			\ Copyright (C) 2012 Free Software Foundation, Inc.
4 :
5 :			\ This file is part of Gforth.
6 :
7 :			\ Gforth is free software; you can redistribute it and/or
8 :			\ modify it under the terms of the GNU General Public License
9 :			\ as published by the Free Software Foundation, either version 3
10 :			\ of the License, or (at your option) any later version.
11 :
12 :			\ This program is distributed in the hope that it will be useful,
13 :			\ but WITHOUT ANY WARRANTY; without even the implied warranty of
14 :			\ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 :			\ GNU General Public License for more details.
16 :
17 :			\ You should have received a copy of the GNU General Public License
18 :			\ along with this program. If not, see http://www.gnu.org/licenses/.
19 :
20 :			: slit, postpone sliteral ;
21 :
22 :			' noop ' slit, dup recognizer: r:string
23 :
24 :			: string-recognizer ( addr u -- addr u' r:string \| addr u r:fail )
25 :			2dup s\" \"" string-prefix?
26 :			IF drop source drop - 1+ >in ! \"-parse save-mem r:string
27 :			ELSE r:fail THEN ;
28 :
29 :			' string-recognizer
30 :			forth-recognizer get-recognizers
31 :			1+ forth-recognizer set-recognizers