1 ! Copyright (C) 2008 Slava Pestov.
2 ! See http://factorcode.org/license.txt for BSD license.
3 USING: functors sequences sequences.private kernel words classes
4 math alien alien.c-types byte-arrays accessors
5 specialized-arrays parser
6 prettyprint.backend prettyprint.custom prettyprint.sections ;
7 IN: specialized-arrays.direct.functor
11 : pprint-direct-array ( direct-array tag -- )
12 [ [ underlying>> ] [ length>> ] bi [ pprint* ] bi@ ] pprint-prefix ;
16 FUNCTOR: define-direct-array ( T -- )
24 A DEFINES-CLASS direct-${T}-array
28 NTH [ T dup c-type-getter-boxer array-accessor ]
29 SET-NTH [ T dup c-setter array-accessor ]
34 { underlying c-ptr read-only }
35 { length fixnum read-only } ;
37 : <A> ( alien len -- direct-array ) A boa ; inline
38 M: A length length>> ; inline
39 M: A nth-unsafe underlying>> NTH call ; inline
40 M: A set-nth-unsafe underlying>> SET-NTH call ; inline
41 M: A like drop dup A instance? [ >A' ] unless ; inline
42 M: A new-sequence drop <A'> ; inline
44 M: A byte-length length>> T heap-size * ; inline
47 scan-object scan-object <A> parsed ;
49 M: A pprint-delims drop \ A'{ \ } ;
51 M: A >pprint-sequence ;
55 [ \ A'@ pprint-direct-array ]
62 \ A >>direct-array-class
63 \ <A> >>direct-array-constructor