historical/m0-applesillicon.git/xnu-qemu-arm64-5.1.0/roms/openbios/forth/lib/creation.fs

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2024-01-16 11:20:27 -06:00
\ tag: misc useful functions
\
\ C bindings
\
\ Copyright (C) 2003, 2004 Samuel Rydh
\
\ See the file "COPYING" for further information about
\ the copyright and warranty status of this work.
\
\ return xt of the word just defined
: last-xt ( -- xt )
latest @ na1+
;
\ -------------------------------------------------------------------------
\ word creation
\ -------------------------------------------------------------------------
: $is-ibuf ( size name name-len -- xt )
instance $buffer: drop
last-xt
;
: is-ibuf ( size -- xt )
0 0 $is-ibuf
;
: is-ivariable ( size name len -- xt )
4 -rot instance $buffer: drop
last-xt
;
: is-xt-func ( xt|0 wordstr len )
header 1 ,
?dup if , then
['] (semis) , reveal
;
: is-2xt-func ( xt1 xt2 wordstr len )
header 1 ,
swap , ,
['] (semis) , reveal
;
: is-func-begin ( wordstr len )
header 1 ,
;
: is-func-end ( wordstr len )
['] (semis) , reveal
;