factor/extra/vars/vars.factor

27 lines
675 B
Factor

! Copyright (C) 2005, 2006 Eduardo Cavazos
! Thanks to Mackenzie Straight for the idea
USING: kernel parser words namespaces sequences quotations ;
IN: vars
: define-var-symbol ( str -- ) create-in define-symbol ;
: define-var-getter ( str -- )
dup ">" append create-in swap in get lookup [ get ] curry define-compound ;
: define-var-setter ( str -- )
">" over append create-in swap in get lookup [ set ] curry define-compound ;
: define-var ( str -- )
dup define-var-symbol dup define-var-getter define-var-setter ;
: VAR: ! var
scan define-var ; parsing
: define-vars ( seq -- ) [ define-var ] each ;
: VARS: ! vars ...
";" parse-tokens define-vars ; parsing