version 1.4, 2000/09/23 15:46:59
|
version 1.9, 2010/09/04 21:34:23
|
Line 1
|
Line 1
|
\ dynamic string handling 10aug99py |
\ dynamic string handling 10aug99py |
|
|
\ Copyright (C) 2000 Free Software Foundation, Inc. |
\ Copyright (C) 2000,2005,2007 Free Software Foundation, Inc. |
|
|
\ This file is part of Gforth. |
\ This file is part of Gforth. |
|
|
\ Gforth is free software; you can redistribute it and/or |
\ Gforth is free software; you can redistribute it and/or |
\ modify it under the terms of the GNU General Public License |
\ modify it under the terms of the GNU General Public License |
\ as published by the Free Software Foundation; either version 2 |
\ as published by the Free Software Foundation, either version 3 |
\ of the License, or (at your option) any later version. |
\ of the License, or (at your option) any later version. |
|
|
\ This program is distributed in the hope that it will be useful, |
\ This program is distributed in the hope that it will be useful, |
Line 15
|
Line 15
|
\ GNU General Public License for more details. |
\ GNU General Public License for more details. |
|
|
\ You should have received a copy of the GNU General Public License |
\ You should have received a copy of the GNU General Public License |
\ along with this program; if not, write to the Free Software |
\ along with this program. If not, see http://www.gnu.org/licenses/. |
\ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA. |
|
|
|
: delete ( buffer size count -- ) |
: delete ( buffer size count -- ) |
over min >r r@ - ( left over ) dup 0> |
over min >r r@ - ( left over ) dup 0> |
IF 2dup swap dup r@ + -rot swap move THEN + r> bl fill ; |
IF 2dup swap dup r@ + -rot swap move THEN + r> bl fill ; |
|
|
|
[IFUNDEF] insert |
: insert ( string length buffer size -- ) |
: insert ( string length buffer size -- ) |
rot over min >r r@ - ( left over ) |
rot over min >r r@ - ( left over ) |
over dup r@ + rot move r> move ; |
over dup r@ + rot move r> move ; |
|
[THEN] |
|
|
: $padding ( n -- n' ) |
: $padding ( n -- n' ) |
[ 6 cells ] Literal + [ -4 cells ] Literal and ; |
[ 6 cells ] Literal + [ -4 cells ] Literal and ; |
Line 41
|
Line 42
|
: $ins ( addr1 u addr2 off -- ) >r |
: $ins ( addr1 u addr2 off -- ) >r |
2dup dup $@len rot + swap $!len $@ 1+ r> /string insert ; |
2dup dup $@len rot + swap $!len $@ 1+ r> /string insert ; |
: $+! ( addr1 u addr2 -- ) dup $@len $ins ; |
: $+! ( addr1 u addr2 -- ) dup $@len $ins ; |
: $off ( addr -- ) dup @ free throw off ; |
: $off ( addr -- ) dup @ dup IF free throw off ELSE 2drop THEN ; |
|
|
\ dynamic string handling 12dec99py |
\ dynamic string handling 12dec99py |
|
|