factor/basis/alien/arrays/arrays.factor

102 lines
2.3 KiB
Factor
Executable File

! Copyright (C) 2008, 2009 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
USING: alien alien.strings alien.c-types alien.accessors alien.structs
arrays words sequences math kernel namespaces fry libc cpu.architecture
io.encodings.utf8 ;
IN: alien.arrays
UNION: value-type array struct-type ;
M: array c-type ;
M: array c-type-class drop object ;
M: array c-type-boxed-class drop object ;
M: array heap-size unclip [ product ] [ heap-size ] bi* * ;
M: array c-type-align first c-type-align ;
M: array c-type-stack-align? drop f ;
M: array unbox-parameter drop "void*" unbox-parameter ;
M: array unbox-return drop "void*" unbox-return ;
M: array box-parameter drop "void*" box-parameter ;
M: array box-return drop "void*" box-return ;
M: array stack-size drop "void*" stack-size ;
M: array c-type-boxer-quot drop [ ] ;
M: array c-type-unboxer-quot drop [ >c-ptr ] ;
M: value-type c-type-rep drop int-rep ;
M: value-type c-type-getter
drop [ swap <displaced-alien> ] ;
M: value-type c-type-setter ( type -- quot )
[ c-type-getter ] [ c-type-unboxer-quot ] [ heap-size ] tri
'[ @ swap @ _ memcpy ] ;
PREDICATE: string-type < pair
first2 [ "char*" = ] [ word? ] bi* and ;
M: string-type c-type ;
M: string-type c-type-class drop object ;
M: string-type c-type-boxed-class drop object ;
M: string-type heap-size
drop "void*" heap-size ;
M: string-type c-type-align
drop "void*" c-type-align ;
M: string-type c-type-stack-align?
drop "void*" c-type-stack-align? ;
M: string-type unbox-parameter
drop "void*" unbox-parameter ;
M: string-type unbox-return
drop "void*" unbox-return ;
M: string-type box-parameter
drop "void*" box-parameter ;
M: string-type box-return
drop "void*" box-return ;
M: string-type stack-size
drop "void*" stack-size ;
M: string-type c-type-rep
drop int-rep ;
M: string-type c-type-boxer
drop "void*" c-type-boxer ;
M: string-type c-type-unboxer
drop "void*" c-type-unboxer ;
M: string-type c-type-boxer-quot
second '[ _ alien>string ] ;
M: string-type c-type-unboxer-quot
second '[ _ string>alien ] ;
M: string-type c-type-getter
drop [ alien-cell ] ;
M: string-type c-type-setter
drop [ set-alien-cell ] ;
{ "char*" utf8 } "char*" typedef
"char*" "uchar*" typedef