\ Quoted string recognizer
\ Copyright (C) 2012 Free Software Foundation, Inc.
\ This file is part of Gforth.
\ Gforth is free software; you can redistribute it and/or
\ modify it under the terms of the GNU General Public License
\ as published by the Free Software Foundation, either version 3
\ of the License, or (at your option) any later version.
\ This program is distributed in the hope that it will be useful,
\ but WITHOUT ANY WARRANTY; without even the implied warranty of
\ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
\ GNU General Public License for more details.
\ You should have received a copy of the GNU General Public License
\ along with this program. If not, see http://www.gnu.org/licenses/.
: slit, postpone sliteral ;
' noop ' slit, dup recognizer: r:string
: string-recognizer ( addr u -- addr u' r:string | addr u r:fail )
2dup s\" \"" string-prefix?
IF drop source drop - 1+ >in ! \"-parse save-mem r:string
ELSE r:fail THEN ;
' string-recognizer
forth-recognizer get-recognizers
1+ forth-recognizer set-recognizers
0 [IF] \ dot-quoted strings, we don't need them
: slit. slit, postpone type ;
' type ' slit. ' slit, recognizer: r:."
: ."-recognizer ( addr u -- addr u' r:." | addr u r:fail )
2dup ".\"" string-prefix?
IF drop source drop - 2 + >in ! \"-parse save-mem r:."
ELSE r:fail THEN ;
' ."-recognizer
forth-recognizer get-recognizers
1+ forth-recognizer set-recognizers
[THEN]
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