62 lines
1.3 KiB
Factor
62 lines
1.3 KiB
Factor
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! Copyright (C) 2008 Slava Pestov.
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! See http://factorcode.org/license.txt for BSD license.
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USING: functors sequences sequences.private
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prettyprint.backend kernel words classes math parser
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alien.c-types byte-arrays accessors ;
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IN: specialized-arrays.functor
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FUNCTOR: define-array ( T -- )
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A DEFINES ${T}-array
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<A> DEFINES <${A}>
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>A DEFINES >${A}
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A{ DEFINES ${A}{
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NTH [ T dup c-getter array-accessor ]
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SET-NTH [ T dup c-setter array-accessor ]
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WHERE
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TUPLE: A
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{ length array-capacity read-only }
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{ underlying byte-array read-only } ;
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: <A> dup T <c-array> A boa ; inline
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M: A clone [ length>> ] [ underlying>> clone ] bi A boa ;
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M: A length length>> ;
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M: A nth-unsafe underlying>> NTH call ;
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M: A set-nth-unsafe underlying>> SET-NTH call ;
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: >A A new clone-like ; inline
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M: A like drop dup A instance? [ >A execute ] unless ;
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M: A new-sequence drop <A> execute ;
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M: A equal? over A instance? [ sequence= ] [ 2drop f ] if ;
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M: A resize
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[ drop ] [
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[ T heap-size * ] [ underlying>> ] bi*
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resize-byte-array
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] 2bi
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A boa ;
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M: A byte-length underlying>> length ;
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M: A pprint-delims drop A{ \ } ;
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M: A >pprint-sequence ;
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M: A pprint* pprint-object ;
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: A{ \ } [ >A execute ] parse-literal ; parsing
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INSTANCE: A sequence
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;FUNCTOR
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