39 lines
1.2 KiB
Factor
39 lines
1.2 KiB
Factor
! Copyright (C) 2008, 2009 Slava Pestov, Doug Coleman.
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! See http://factorcode.org/license.txt for BSD license.
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USING: alien alien.c-types arrays assocs effects grouping kernel
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parser sequences splitting words fry locals lexer namespaces
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summary math ;
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IN: alien.parser
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: normalize-c-arg ( type name -- type' name' )
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[ length ]
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[
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[ CHAR: * = ] trim-head
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[ length - CHAR: * <array> append ] keep
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] bi ;
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: parse-arglist ( parameters return -- types effect )
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[
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2 group [ first2 normalize-c-arg 2array ] map
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unzip [ "," ?tail drop ] map
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]
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[ [ { } ] [ 1array ] if-void ]
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bi* <effect> ;
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: function-quot ( return library function types -- quot )
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'[ _ _ _ _ alien-invoke ] ;
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:: make-function ( return! library function! parameters -- word quot effect )
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return function normalize-c-arg function! return!
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function create-in dup reset-generic
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return library function
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parameters return parse-arglist [ function-quot ] dip ;
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: (FUNCTION:) ( -- word quot effect )
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scan "c-library" get scan ";" parse-tokens
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[ "()" subseq? not ] filter
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make-function ;
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: define-function ( return library function parameters -- )
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make-function define-declared ;
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