179 lines
4.8 KiB
Factor
179 lines
4.8 KiB
Factor
! Copyright (C) 2008, 2010 Slava Pestov.
|
|
! See http://factorcode.org/license.txt for BSD license.
|
|
USING: accessors alien alien.c-types alien.data alien.parser
|
|
assocs byte-arrays classes compiler.units functors kernel lexer
|
|
libc math math.vectors math.vectors.private namespaces
|
|
parser prettyprint.custom sequences sequences.private strings
|
|
summary vocabs vocabs.loader vocabs.parser vocabs.generated
|
|
words fry combinators make ;
|
|
IN: specialized-arrays
|
|
|
|
MIXIN: specialized-array
|
|
|
|
INSTANCE: specialized-array sequence
|
|
|
|
GENERIC: direct-array-syntax ( obj -- word )
|
|
|
|
ERROR: bad-byte-array-length byte-array type ;
|
|
|
|
M: bad-byte-array-length summary
|
|
drop "Byte array length doesn't divide type width" ;
|
|
|
|
ERROR: not-a-byte-array alien ;
|
|
|
|
M: not-a-byte-array summary
|
|
drop "Not a byte array" ;
|
|
|
|
: (underlying) ( n c-type -- array )
|
|
heap-size * (byte-array) ; inline
|
|
|
|
: <underlying> ( n type -- array )
|
|
heap-size * <byte-array> ; inline
|
|
|
|
<PRIVATE
|
|
|
|
FUNCTOR: define-array ( T -- )
|
|
|
|
A DEFINES-CLASS ${T}-array
|
|
<A> DEFINES <${A}>
|
|
(A) DEFINES (${A})
|
|
<direct-A> DEFINES <direct-${A}>
|
|
malloc-A DEFINES malloc-${A}
|
|
>A DEFINES >${A}
|
|
byte-array>A DEFINES byte-array>${A}
|
|
|
|
A{ DEFINES ${A}{
|
|
A@ DEFINES ${A}@
|
|
|
|
NTH [ T dup c-type-getter-boxer array-accessor ]
|
|
SET-NTH [ T dup c-setter array-accessor ]
|
|
|
|
WHERE
|
|
|
|
TUPLE: A
|
|
{ underlying c-ptr read-only }
|
|
{ length array-capacity read-only } ; final
|
|
|
|
: <direct-A> ( alien len -- specialized-array ) A boa ; inline
|
|
|
|
: <A> ( n -- specialized-array )
|
|
[ \ T <underlying> ] keep <direct-A> ; inline
|
|
|
|
: (A) ( n -- specialized-array )
|
|
[ \ T (underlying) ] keep <direct-A> ; inline
|
|
|
|
: malloc-A ( len -- specialized-array )
|
|
[ \ T heap-size calloc ] keep <direct-A> ; inline
|
|
|
|
: byte-array>A ( byte-array -- specialized-array )
|
|
>c-ptr dup byte-array? [
|
|
dup length \ T heap-size /mod 0 =
|
|
[ <direct-A> ]
|
|
[ drop \ T bad-byte-array-length ] if
|
|
] [ not-a-byte-array ] if ; inline
|
|
|
|
M: A clone [ underlying>> clone ] [ length>> ] bi <direct-A> ; inline
|
|
|
|
M: A length length>> ; inline
|
|
|
|
M: A nth-unsafe underlying>> NTH call ; inline
|
|
|
|
M: A set-nth-unsafe underlying>> SET-NTH call ; inline
|
|
|
|
: >A ( seq -- specialized-array ) A new clone-like ;
|
|
|
|
M: A like drop dup A instance? [ >A ] unless ; inline
|
|
|
|
M: A new-sequence drop (A) ; inline
|
|
|
|
M: A equal? over A instance? [ sequence= ] [ 2drop f ] if ;
|
|
|
|
M: A resize
|
|
[
|
|
[ \ T heap-size * ] [ underlying>> ] bi*
|
|
resize-byte-array
|
|
] [ drop ] 2bi
|
|
<direct-A> ; inline
|
|
|
|
M: A element-size drop \ T heap-size ; inline
|
|
|
|
M: A direct-array-syntax drop \ A@ ;
|
|
|
|
M: A pprint-delims drop \ A{ \ } ;
|
|
|
|
M: A >pprint-sequence ;
|
|
|
|
SYNTAX: A{ \ } [ >A ] parse-literal ;
|
|
SYNTAX: A@ scan-object scan-object <direct-A> suffix! ;
|
|
|
|
INSTANCE: A specialized-array
|
|
|
|
M: A vs+ [ + \ T c-type-clamp ] 2map ; inline
|
|
M: A vs- [ - \ T c-type-clamp ] 2map ; inline
|
|
M: A vs* [ * \ T c-type-clamp ] 2map ; inline
|
|
|
|
M: A v*high [ * \ T heap-size neg shift ] 2map ; inline
|
|
|
|
;FUNCTOR
|
|
|
|
GENERIC: underlying-type ( c-type -- c-type' )
|
|
|
|
M: c-type-word underlying-type
|
|
dup "c-type" word-prop {
|
|
{ [ dup not ] [ drop no-c-type ] }
|
|
{ [ dup pointer? ] [ 2drop void* ] }
|
|
{ [ dup c-type-word? ] [ nip underlying-type ] }
|
|
[ drop ]
|
|
} cond ;
|
|
|
|
M: pointer underlying-type
|
|
drop void* ;
|
|
|
|
: specialized-array-vocab ( c-type -- vocab )
|
|
[
|
|
"specialized-arrays.instances." %
|
|
[ vocabulary>> % "." % ]
|
|
[ name>> % ]
|
|
bi
|
|
] "" make ;
|
|
|
|
PRIVATE>
|
|
|
|
: define-array-vocab ( type -- vocab )
|
|
underlying-type
|
|
[ specialized-array-vocab ] [ '[ _ define-array ] ] bi
|
|
generate-vocab ;
|
|
|
|
ERROR: specialized-array-vocab-not-loaded c-type ;
|
|
|
|
M: c-type-word c-array-constructor
|
|
underlying-type
|
|
dup [ name>> "<" "-array>" surround ] [ specialized-array-vocab ] bi lookup
|
|
[ ] [ specialized-array-vocab-not-loaded ] ?if ; foldable
|
|
|
|
M: pointer c-array-constructor drop void* c-array-constructor ;
|
|
|
|
M: c-type-word c-(array)-constructor
|
|
underlying-type
|
|
dup [ name>> "(" "-array)" surround ] [ specialized-array-vocab ] bi lookup
|
|
[ ] [ specialized-array-vocab-not-loaded ] ?if ; foldable
|
|
|
|
M: pointer c-(array)-constructor drop void* c-(array)-constructor ;
|
|
|
|
M: c-type-word c-direct-array-constructor
|
|
underlying-type
|
|
dup [ name>> "<direct-" "-array>" surround ] [ specialized-array-vocab ] bi lookup
|
|
[ ] [ specialized-array-vocab-not-loaded ] ?if ; foldable
|
|
|
|
M: pointer c-direct-array-constructor drop void* c-direct-array-constructor ;
|
|
|
|
SYNTAX: SPECIALIZED-ARRAYS:
|
|
";" [ parse-c-type define-array-vocab use-vocab ] each-token ;
|
|
|
|
SYNTAX: SPECIALIZED-ARRAY:
|
|
scan-c-type define-array-vocab use-vocab ;
|
|
|
|
"prettyprint" "specialized-arrays.prettyprint" require-when
|
|
|
|
"mirrors" "specialized-arrays.mirrors" require-when
|