52 lines
1.4 KiB
Factor
52 lines
1.4 KiB
Factor
! Copyright (C) 2004, 2006 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: arrays hashtables io kernel lists math namespaces parser
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sequences ;
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! USAGE:
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!
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! Command line parameters given to the runtime specify libraries
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! to load.
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!
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! -libraries:<foo>:name=<soname> -- define a library <foo>, to be
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! loaded from the <soname> DLL.
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!
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! -libraries:<foo>:abi=stdcall -- define a library using the
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! stdcall ABI. This ABI is usually used on Win32. Any other abi
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! parameter, or a missing abi parameter indicates the cdecl ABI
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! should be used, which is common on Unix.
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UNION: c-ptr byte-array alien displaced-alien ;
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M: alien hashcode ( obj -- n ) alien-address >fixnum ;
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M: alien = ( obj obj -- ? )
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over alien? [ [ alien-address ] 2apply = ] [ 2drop f ] if ;
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global [ "libraries" nest drop ] bind
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: library ( name -- object ) "libraries" get hash ;
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: load-library ( name -- dll )
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#! Higher level wrapper around dlopen primitive.
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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 ( library name 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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: add-simple-library ( name file -- )
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os "win32" = ".dll" ".so" ? append
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os "win32" = "stdcall" "cdecl" ? add-library ;
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: library-abi ( library -- abi )
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library "abi" swap ?hash [ "cdecl" ] unless* ;
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