version 1.11, 1995/10/16 18:33:07
|
version 1.18, 1996/09/10 16:08:36
|
Line 1
|
Line 1
|
\ EXTEND.FS CORE-EXT Word not fully tested! 12may93jaw |
\ EXTEND.FS CORE-EXT Word not fully tested! 12may93jaw |
|
|
|
\ Copyright (C) 1995 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 2 |
|
\ 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, write to the Free Software |
|
\ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
|
|
|
|
\ May be cross-compiled |
\ May be cross-compiled |
|
|
decimal |
decimal |
Line 11 decimal
|
Line 30 decimal
|
|
|
\ VALUE 2>R 2R> 2R@ 17may93jaw |
\ VALUE 2>R 2R> 2R@ 17may93jaw |
|
|
: value ( w -- ) \ core-ext |
: value ( w "name" -- ) \ core-ext |
(constant) , ; |
(constant) , ; |
\ !! 2value |
\ !! 2value |
|
|
: 2Literal ( compilation w1 w2 -- ; run-time -- w1 w2 ) \ double two-literal |
: 2Literal ( compilation w1 w2 -- ; run-time -- w1 w2 ) \ double two-literal |
swap postpone Literal postpone Literal ; immediate restrict |
swap postpone Literal postpone Literal ; immediate restrict |
|
|
|
' drop alias d>s ( d -- n ) \ double d_to_s |
|
|
: m*/ ( d1 n2 u3 -- dqout ) \ double m-star-slash |
: m*/ ( d1 n2 u3 -- dqout ) \ double m-star-slash |
>r s>d >r abs -rot |
>r s>d >r abs -rot |
s>d r> xor r> swap >r >r dabs rot tuck um* 2swap um* |
s>d r> xor r> swap >r >r dabs rot tuck um* 2swap um* |
Line 101 decimal
|
Line 122 decimal
|
REPEAT |
REPEAT |
2drop 2drop rdrop false ; |
2drop 2drop rdrop false ; |
|
|
\ ROLL 17may93jaw |
|
|
|
: roll ( x0 x1 .. xn n -- x1 .. xn x0 ) \ core-ext |
|
dup 1+ pick >r |
|
cells sp@ cell+ dup cell+ rot move drop r> ; |
|
|
|
\ SOURCE-ID SAVE-INPUT RESTORE-INPUT 11jun93jaw |
\ SOURCE-ID SAVE-INPUT RESTORE-INPUT 11jun93jaw |
|
|
: source-id ( -- 0 | -1 | fileid ) \ core-ext source-i-d |
: source-id ( -- 0 | -1 | fileid ) \ core-ext source-i-d |
loadfile @ dup 0= IF drop loadline @ 0 min THEN ; |
loadfile @ dup 0= IF drop sourceline# 0 min THEN ; |
|
|
: save-input ( -- x1 .. xn n ) \ core-ext |
: save-input ( -- x1 .. xn n ) \ core-ext |
>in @ |
>in @ |
loadfile @ ?dup |
loadfile @ |
IF dup file-position throw loadline @ >tib @ 6 |
if |
#tib @ >tib +! |
loadfile @ file-position throw |
ELSE loadline @ blk @ linestart @ >tib @ 5 THEN |
else |
; |
blk @ |
|
linestart @ |
|
then |
|
sourceline# |
|
>tib @ |
|
source-id |
|
6 ; |
|
|
: restore-input ( x1 .. xn n -- flag ) \ core-ext |
: restore-input ( x1 .. xn n -- flag ) \ core-ext |
swap >tib ! |
6 <> -12 and throw |
6 = IF loadline ! rot dup loadfile ! |
source-id <> -12 and throw |
reposition-file IF drop true EXIT THEN |
>tib ! |
ELSE linestart ! blk ! |
>r ( line# ) |
dup loadline @ <> IF 2drop true EXIT THEN |
loadfile @ 0<> |
loadline ! |
if |
THEN |
loadfile @ reposition-file throw |
>in ! false ; |
else |
|
linestart ! |
|
blk ! |
|
sourceline# r@ <> blk @ 0= and loadfile @ 0= and |
|
if |
|
drop rdrop true EXIT |
|
then |
|
then |
|
r> loadline ! |
|
>in ! |
|
false ; |
|
|
|
\ : save-input ( -- x1 .. xn n ) \ core-ext |
|
\ >in @ |
|
\ loadfile @ ?dup |
|
\ IF dup file-position throw sourceline# >tib @ 6 |
|
\ #tib @ >tib +! |
|
\ ELSE sourceline# blk @ linestart @ >tib @ 5 THEN |
|
\ ; |
|
|
|
\ : restore-input ( x1 .. xn n -- flag ) \ core-ext |
|
\ swap >tib ! |
|
\ 6 = IF loadline ! rot dup loadfile ! |
|
\ reposition-file IF drop true EXIT THEN |
|
\ ELSE linestart ! blk ! |
|
\ dup sourceline# <> IF 2drop true EXIT THEN |
|
\ loadline ! |
|
\ THEN |
|
\ >in ! false ; |
|
|
|
|
|
|
Line 146 variable span ( -- a-addr ) \ core-ext
|
Line 195 variable span ( -- a-addr ) \ core-ext
|
key decode ( maxlen span c-addr pos2 flag ) |
key decode ( maxlen span c-addr pos2 flag ) |
>r 2over = r> or |
>r 2over = r> or |
UNTIL |
UNTIL |
type-rest drop |
2 pick swap /string type |
2drop nip span ! ; |
nip span ! ; |
|
|