Annotation of gforth/parsedto.fs, revision 1.1
1.1 ! pazsan 1: \ -> (to/is replacement) 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: ' (int-to) ' (comp-to) ' lit, recognizer: r:to
! 21:
! 22: : to-recognizer ( addr u -- xt r:to | addr u r:fail )
! 23: 2dup s" ->" string-prefix? 0= IF r:fail EXIT THEN
! 24: 2dup 2 /string dup 0= IF 2drop r:fail EXIT THEN
! 25: find-name dup 0= IF drop r:fail EXIT THEN
! 26: name>comp drop nip nip r:to ;
! 27:
! 28: ' to-recognizer
! 29: forth-recognizer get-recognizers
! 30: 1+ forth-recognizer set-recognizers
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