eeb34873c0
due Jon Mini. PR: 36308 Submitted by: Jon Mini <mini@haikugeek.com> MFC after: 4 weeks
76 lines
1.4 KiB
Forth
76 lines
1.4 KiB
Forth
\ examples from FORML conference paper Nov 98
|
|
\ sadler
|
|
\
|
|
\ $FreeBSD$
|
|
|
|
.( loading FORML examples ) cr
|
|
object --> sub c-example
|
|
cell: .cell0
|
|
c-4byte obj: .nCells
|
|
4 c-4byte array: .quad
|
|
c-byte obj: .length
|
|
79 chars: .name
|
|
|
|
: init ( inst class -- )
|
|
2dup object => init
|
|
s" aardvark" 2swap --> set-name
|
|
;
|
|
|
|
: get-name ( inst class -- c-addr u )
|
|
2dup
|
|
--> .name -rot ( c-addr inst class )
|
|
--> .length --> get
|
|
;
|
|
|
|
: set-name { c-addr u 2:this -- }
|
|
u this --> .length --> set
|
|
c-addr this --> .name u move
|
|
;
|
|
|
|
: ? ( inst class ) c-example => get-name type cr ;
|
|
end-class
|
|
|
|
|
|
: test ." this is a test" cr ;
|
|
' test
|
|
c-word --> ref testref
|
|
|
|
\ add a method to c-word...
|
|
c-word --> get-wid ficl-set-current
|
|
\ list dictionary thread
|
|
: list ( inst class )
|
|
begin
|
|
2dup --> get-name type cr
|
|
--> next over
|
|
0= until
|
|
2drop
|
|
;
|
|
set-current
|
|
|
|
object subclass c-led
|
|
c-byte obj: .state
|
|
|
|
: on { led# 2:this -- }
|
|
this --> .state --> get
|
|
1 led# lshift or dup !oreg
|
|
this --> .state --> set
|
|
;
|
|
|
|
: off { led# 2:this -- }
|
|
this --> .state --> get
|
|
1 led# lshift invert and dup !oreg
|
|
this --> .state --> set
|
|
;
|
|
|
|
end-class
|
|
|
|
|
|
object subclass c-switch
|
|
|
|
: ?on { bit# 2:this -- flag }
|
|
|
|
1 bit# lshift
|
|
;
|
|
end-class
|
|
|