69 lines
1.6 KiB
Factor
Executable File
69 lines
1.6 KiB
Factor
Executable File
! Copyright (C) 2009, 2010 Slava Pestov, Joe Groff.
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! See http://factorcode.org/license.txt for BSD license.
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USING: accessors alien alien.strings assocs io.backend
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kernel namespaces destructors sequences system io.pathnames ;
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IN: alien.libraries
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: dlopen ( path -- dll ) native-string>alien (dlopen) ;
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: dlsym ( name dll -- alien ) [ string>symbol ] dip (dlsym) ;
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SYMBOL: libraries
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libraries [ H{ } clone ] initialize
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TUPLE: library path abi dll ;
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ERROR: no-library name ;
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: library ( name -- library ) libraries get at ;
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: <library> ( path abi -- library )
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over dup [ dlopen ] when \ library boa ;
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: load-library ( name -- dll )
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library dup [ dll>> ] when ;
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M: dll dispose dlclose ;
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M: library dispose dll>> [ dispose ] when* ;
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: remove-library ( name -- )
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libraries get delete-at* [ dispose ] [ drop ] if ;
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: add-library ( name path abi -- )
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[ 2drop remove-library ]
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[ <library> swap libraries get set-at ] 3bi ;
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: library-abi ( library -- abi )
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library [ abi>> ] [ cdecl ] if* ;
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ERROR: no-such-symbol name library ;
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: address-of ( name library -- value )
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2dup load-library dlsym [ 2nip ] [ no-such-symbol ] if* ;
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SYMBOL: deploy-libraries
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deploy-libraries [ V{ } clone ] initialize
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: deploy-library ( name -- )
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dup libraries get key?
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[ deploy-libraries get 2dup member? [ 2drop ] [ push ] if ]
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[ no-library ] if ;
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<PRIVATE
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HOOK: >deployed-library-path os ( path -- path' )
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M: windows >deployed-library-path
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file-name ;
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M: unix >deployed-library-path
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file-name "$ORIGIN" prepend-path ;
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M: macosx >deployed-library-path
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file-name "@executable_path/../Frameworks" prepend-path ;
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PRIVATE>
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