36 lines
1.1 KiB
Factor
36 lines
1.1 KiB
Factor
! Copyright (C) 2006 Slava Pestov.
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! See http://factorcode.org/license.txt for BSD license.
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IN: kernel
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USING: arrays generic kernel-internals math namespaces sequences
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sequences-internals words ;
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M: wrapper =
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over wrapper? [ [ wrapped ] 2apply = ] [ 2drop f ] if ;
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M: quotation clone (clone) ;
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M: quotation length array-capacity ;
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M: quotation nth bounds-check nth-unsafe ;
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M: quotation set-nth bounds-check set-nth-unsafe ;
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M: quotation nth-unsafe >r >fixnum r> array-nth ;
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M: quotation set-nth-unsafe >r >fixnum r> set-array-nth ;
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: >quotation ( seq -- array )
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[ quotation? ] [ <quotation> ] >sequence ; inline
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M: quotation like drop dup quotation? [ >quotation ] unless ;
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: make-dip ( quot n -- quot )
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dup \ >r <array> -rot \ r> <array> append3 >quotation ;
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: unit ( a -- [ a ] ) 1array >quotation ;
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GENERIC: literalize ( obj -- obj )
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M: object literalize ;
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M: word literalize <wrapper> ;
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M: wrapper literalize <wrapper> ;
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: curry ( obj quot -- quot ) swap literalize add* ;
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: alist>quot ( default alist -- quot )
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[ [ first2 swap % , , \ if , ] [ ] make ] each ;
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