File:  [gforth] / gforth / quotedstring.fs
Revision 1.3: download - view: text, annotated - select for diffs
Sun Jun 24 22:02:03 2012 UTC (7 years, 3 months ago) by pazsan
Branches: MAIN
CVS tags: HEAD
Commented dot-quote recognizer out, as it is a little bit problematic

    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
   32: 
   33: 0 [IF] \ dot-quoted strings, we don't need them
   34: : slit.  slit, postpone type ;
   35: 
   36: ' type ' slit. ' slit, recognizer: r:."
   37: 
   38: : ."-recognizer  ( addr u -- addr u' r:." | addr u r:fail )
   39:     2dup ".\"" string-prefix?
   40:     IF    drop source drop - 2 + >in !  \"-parse save-mem r:."
   41:     ELSE  r:fail  THEN ;
   42: 
   43: ' ."-recognizer
   44: forth-recognizer get-recognizers
   45: 1+ forth-recognizer set-recognizers
   46: [THEN]

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