! (c)2010 Joe Groff, Erik Charlebois bsd license
USING: accessors alien.c-types arrays classes.singleton combinators
-delegate fry generic.parser kernel math parser sequences words ;
+delegate fry generic.parser kernel macros math parser sequences words ;
IN: alien.enums
<PRIVATE
base-type>> ;
PRIVATE>
-GENERIC: enum>number ( enum -- number )
+GENERIC: enum>number ( enum -- number ) foldable
M: integer enum>number ;
-: number>enum ( number enum-c-type -- enum )
- c-type-boxer-quot call( x -- y ) ; inline
-
<PRIVATE
: enum-boxer ( members -- quot )
[ first2 swap '[ _ ] 2array ]
{ } map-as [ ] suffix '[ _ case ] ;
PRIVATE>
+MACRO: number>enum ( enum-c-type -- )
+ c-type members>> enum-boxer ;
+
M: enum-c-type c-type-boxed-class drop object ;
M: enum-c-type c-type-boxer-quot members>> enum-boxer ;
M: enum-c-type c-type-unboxer-quot drop [ enum>number ] ;
: define-enum-constructor ( word -- )
[ name>> "<" ">" surround create-in ] keep
- [ number>enum ] curry (( enum -- number )) define-inline ;
+ [ number>enum ] curry (( number -- enum )) define-inline ;
PRIVATE>