49 lines
1.2 KiB
Factor
49 lines
1.2 KiB
Factor
! Copyright (C) 2004, 2007 Slava Pestov.
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! See http://factorcode.org/license.txt for BSD license.
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IN: alien
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USING: byte-arrays hashtables io kernel math namespaces parser
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sequences ;
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: <alien> ( address -- alien ) f <displaced-alien> ; inline
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: alien>native-string ( alien -- string )
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os { "windows" "wince" } member?
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[ alien>u16-string ] [ alien>char-string ] if ;
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: dll-path ( dll -- string )
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(dll-path) alien>native-string ;
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UNION: c-ptr byte-array alien POSTPONE: f ;
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M: alien equal?
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over alien? [
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2dup [ expired? ] either? [
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[ expired? ] both?
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] [
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[ alien-address ] 2apply =
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] if
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] [
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2drop f
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] if ;
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global [ "libraries" nest drop ] bind
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: library ( name -- library ) "libraries" get hash ;
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: load-library ( name -- dll )
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library dup [
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[
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"dll" get dup [
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drop "name" get dlopen dup "dll" set
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] unless
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] bind
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] when ;
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: add-library ( name path abi -- )
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"libraries" get [
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[ "abi" set "name" set ] make-hash swap set
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] bind ;
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: library-abi ( library -- abi )
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library "abi" swap ?hash [ "cdecl" ] unless* ;
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