version 1.1, 2000/03/26 21:53:16
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version 1.11, 2010/12/31 14:37:13
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\ dynamic string handling 10aug99py |
\ dynamic string handling 10aug99py |
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\ Copyright (C) 2000,2005,2007 Free Software Foundation, Inc. |
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\ This file is part of Gforth. |
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\ Gforth is free software; you can redistribute it and/or |
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\ modify it under the terms of the GNU General Public License |
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\ as published by the Free Software Foundation, either version 3 |
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\ of the License, or (at your option) any later version. |
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\ This program is distributed in the hope that it will be useful, |
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\ but WITHOUT ANY WARRANTY; without even the implied warranty of |
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\ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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\ GNU General Public License for more details. |
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\ You should have received a copy of the GNU General Public License |
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\ along with this program. If not, see http://www.gnu.org/licenses/. |
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: 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 ; |
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[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 ; |
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[THEN] |
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: $padding ( n -- n' ) |
: $padding ( n -- n' ) |
[ 6 cells ] Literal + [ -4 cells ] Literal and ; |
[ 6 cells ] Literal + [ -4 cells ] Literal and ; |
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: $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 ; |
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: $init ( addr -- ) >r r@ off s" " r> $! ; |
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\ dynamic string handling 12dec99py |
\ dynamic string handling 12dec99py |
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: $split ( addr u char -- addr1 u1 addr2 u2 ) |
: $split ( addr u char -- addr1 u1 addr2 u2 ) |
>r 2dup r> scan dup >r 1 /string 2swap r> - 2swap ; |
>r 2dup r> scan dup >r dup IF 1 /string THEN |
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2swap r> - 2swap ; |
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: $iter ( .. $addr char xt -- .. ) { char xt } |
: $iter ( .. $addr char xt -- .. ) >r >r |
$@ BEGIN dup WHILE char $split >r >r xt execute r> r> |
$@ BEGIN dup WHILE r@ $split i' -rot >r >r execute r> r> |
REPEAT 2drop ; |
REPEAT 2drop rdrop rdrop ; |