version 1.19, 1997/01/04 16:32:28
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version 1.30, 1998/12/08 22:02:41
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\ EXTEND.FS CORE-EXT Word not fully tested! 12may93jaw |
\ EXTEND.FS CORE-EXT Word not fully tested! 12may93jaw |
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\ Copyright (C) 1995 Free Software Foundation, Inc. |
\ Copyright (C) 1995,1998 Free Software Foundation, Inc. |
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\ This file is part of Gforth. |
\ This file is part of Gforth. |
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Line 30 decimal
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Line 30 decimal
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\ VALUE 2>R 2R> 2R@ 17may93jaw |
\ VALUE 2>R 2R> 2R@ 17may93jaw |
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: value ( w "name" -- ) \ core-ext |
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(constant) , ; |
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\ !! 2value |
\ !! 2value |
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: 2Literal ( compilation w1 w2 -- ; run-time -- w1 w2 ) \ double two-literal |
: 2Literal ( compilation w1 w2 -- ; run-time -- w1 w2 ) \ double two-literal |
Line 75 decimal
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Line 73 decimal
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: C" ( compilation "...<quote>" -- ; run-time -- c-addr ) \ core-ext c-quote |
: C" ( compilation "...<quote>" -- ; run-time -- c-addr ) \ core-ext c-quote |
[char] " parse postpone CLiteral ; immediate restrict |
[char] " parse postpone CLiteral ; immediate restrict |
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\ UNUSED 17may93jaw |
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: unused ( -- u ) \ core-ext |
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forthstart dup 3 cells + @ + here - ; |
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\ [COMPILE] 17may93jaw |
\ [COMPILE] 17may93jaw |
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: [compile] ( compilation "name" -- ; run-time ? -- ? ) \ core-ext bracket-compile |
: [compile] ( compilation "name" -- ; run-time ? -- ? ) \ core-ext bracket-compile |
' compile, ; immediate |
comp' drop compile, ; immediate |
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\ MARKER 17may93jaw |
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\ : marker here last @ create , , DOES> dup @ last ! cell+ @ dp ! ; |
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\ doesn't work now. vocabularies? |
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\ CONVERT 17may93jaw |
\ CONVERT 17may93jaw |
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: convert ( ud1 c-addr1 -- ud2 c-addr2 ) \ core-ext |
: convert ( ud1 c-addr1 -- ud2 c-addr2 ) \ core-ext |
\ obsolescent; superseded by @code{>number}. |
\G obsolescent; superseded by @code{>number}. |
true >number drop ; |
char+ true >number drop ; |
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\ ERASE 17may93jaw |
\ ERASE 17may93jaw |
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Line 106 decimal
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Line 94 decimal
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\ SEARCH 02sep94py |
\ SEARCH 02sep94py |
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: search ( buf buflen text textlen -- restbuf restlen flag ) \ string |
: search ( c-addr1 u1 c-addr2 u2 -- c-addr3 u3 flag ) \ string |
2over 2 pick - 1+ 3 pick c@ >r |
\ not very efficient; but if we want efficiency, we'll do it as primitive |
BEGIN |
2>r 2dup |
r@ scan dup |
begin |
WHILE |
dup r@ >= |
>r >r 2dup r@ -text |
while |
0= |
over 2r@ swap -text 0= if |
IF |
2swap 2drop 2r> 2drop true exit |
>r drop 2drop r> r> r> rot + 1- rdrop true |
endif |
EXIT |
1 /string |
THEN |
repeat |
r> r> 1 /string |
2drop 2r> 2drop false ; |
REPEAT |
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2drop 2drop rdrop false ; |
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\ SOURCE-ID SAVE-INPUT RESTORE-INPUT 11jun93jaw |
\ SOURCE-ID SAVE-INPUT RESTORE-INPUT 11jun93jaw |
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: source-id ( -- 0 | -1 | fileid ) \ core-ext source-i-d |
: source-id ( -- 0 | -1 | fileid ) \ core-ext,file source-i-d |
loadfile @ dup 0= IF drop sourceline# 0 min THEN ; |
loadfile @ dup 0= IF drop sourceline# 0 min THEN ; |
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: save-input ( -- x1 .. xn n ) \ core-ext |
: save-input ( -- x1 .. xn n ) \ core-ext |
Line 160 decimal
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Line 146 decimal
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>in ! |
>in ! |
false ; |
false ; |
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\ : save-input ( -- x1 .. xn n ) \ core-ext |
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\ >in @ |
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\ loadfile @ ?dup |
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\ IF dup file-position throw sourceline# >tib @ 6 |
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\ #tib @ >tib +! |
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\ ELSE sourceline# blk @ linestart @ >tib @ 5 THEN |
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\ ; |
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\ : restore-input ( x1 .. xn n -- flag ) \ core-ext |
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\ swap >tib ! |
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\ 6 = IF loadline ! rot dup loadfile ! |
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\ reposition-file IF drop true EXIT THEN |
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\ ELSE linestart ! blk ! |
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\ dup sourceline# <> IF 2drop true EXIT THEN |
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\ loadline ! |
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\ THEN |
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\ >in ! false ; |
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\ This things we don't need, but for being complete... jaw |
\ This things we don't need, but for being complete... jaw |
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\ EXPECT SPAN 17may93jaw |
\ EXPECT SPAN 17may93jaw |
Line 197 variable span ( -- a-addr ) \ core-ext
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Line 163 variable span ( -- a-addr ) \ core-ext
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2 pick swap /string type |
2 pick swap /string type |
nip span ! ; |
nip span ! ; |
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\ marker 18dec94py |
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\ Marker creates a mark that is removed (including everything |
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\ defined afterwards) when executing the mark. |
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: marker, ( -- mark ) here dup A, |
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voclink @ A, voclink |
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BEGIN @ dup WHILE dup 0 wordlist-link - @ A, REPEAT drop |
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udp @ , ; |
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: marker! ( mark -- ) |
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dup @ swap cell+ |
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dup @ voclink ! cell+ |
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voclink |
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BEGIN |
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@ dup |
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WHILE |
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over @ over 0 wordlist-link - ! |
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swap cell+ swap |
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REPEAT |
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drop voclink |
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BEGIN |
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@ dup |
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WHILE |
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dup 0 wordlist-link - rehash |
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REPEAT |
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drop |
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@ udp ! dp ! |
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\ clean up vocabulary stack |
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0 vp @ 0 |
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?DO |
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vp cell+ I cells + @ dup here > |
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IF drop ELSE swap 1+ THEN |
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LOOP |
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dup 0= or set-order \ -1 set-order if order is empty |
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get-current here > IF |
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forth-wordlist set-current |
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THEN ; |
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: marker ( "mark" -- ) |
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marker, Create A, |
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DOES> ( -- ) |
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@ marker! ; |
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