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Make alien.enums create singletons so I can dispatch on them. Clean up the code a bit.

db4
Doug Coleman 2010-09-28 13:06:59 -05:00
parent 0939590955
commit 56c8d47d58
1 changed files with 8 additions and 7 deletions
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15
basis/alien/enums/enums.factor
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@ -1,6 +1,7 @@
! (c)2010 Joe Groff, Erik Charlebois bsd license
USING: accessors alien.c-types arrays combinators delegate fry
generic.parser kernel macros math parser sequences words words.symbol ;
generic.parser kernel macros math parser sequences words words.symbol
classes.singleton assocs ;
IN: alien.enums
<PRIVATE
@ -34,11 +35,11 @@ M: enum-c-type c-type-setter
: define-enum-value ( class value -- )
"enum-value" set-word-prop ;
: define-enum-members ( member-names -- )
: define-enum-members ( members -- )
[
[ first define-symbol ]
[ first2 define-enum-value ] bi
] each ;
[ drop define-singleton-class ]
[ define-enum-value ] 2bi
] assoc-each ;
: define-enum-constructor ( word -- )
[ name>> "<" ">" surround create-in ] keep
@ -48,8 +49,8 @@ PRIVATE>
: define-enum ( word base-type members -- )
[ dup define-enum-constructor ] 2dip
dup define-enum-members
<enum-c-type> swap typedef ;
[ define-enum-members ]
[ <enum-c-type> swap typedef ] bi ;
PREDICATE: enum-c-type-word < c-type-word
"c-type" word-prop enum-c-type? ;