78 lines
2.2 KiB
Factor
78 lines
2.2 KiB
Factor
! Copyright (C) 2005, 2008 Slava Pestov, Alex Chapman.
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! See http://factorcode.org/license.txt for BSD license.
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USING: accessors arrays alien alien.c-types alien.structs
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alien.arrays alien.strings kernel math namespaces parser
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sequences words quotations math.parser splitting grouping
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effects prettyprint prettyprint.sections prettyprint.backend
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assocs combinators lexer strings.parser ;
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IN: alien.syntax
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<PRIVATE
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: parse-arglist ( return seq -- types effect )
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2 group dup keys swap values [ "," ?tail drop ] map
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rot dup "void" = [ drop { } ] [ 1array ] if <effect> ;
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: function-quot ( type lib func types -- quot )
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[ alien-invoke ] 2curry 2curry ;
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: define-function ( return library function parameters -- )
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>r pick r> parse-arglist
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pick create-in dup reset-generic
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>r >r function-quot r> r>
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-rot define-declared ;
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PRIVATE>
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: indirect-quot ( function-ptr-quot return types abi -- quot )
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[ alien-indirect ] 3curry compose ;
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: define-indirect ( abi return function-ptr-quot function-name parameters -- )
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>r pick r> parse-arglist
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rot create-in dup reset-generic
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>r >r swapd roll indirect-quot r> r>
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-rot define-declared ;
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: DLL" lexer get skip-blank parse-string dlopen parsed ; parsing
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: ALIEN: scan string>number <alien> parsed ; parsing
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: BAD-ALIEN <bad-alien> parsed ; parsing
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: LIBRARY: scan "c-library" set ; parsing
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: FUNCTION:
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scan "c-library" get scan ";" parse-tokens
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[ "()" subseq? not ] filter
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define-function ; parsing
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: TYPEDEF:
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scan scan typedef ; parsing
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: TYPEDEF-IF:
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scan-word execute scan scan rot [ typedef ] [ 2drop ] if ; parsing
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: C-STRUCT:
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scan in get
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parse-definition
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>r 2dup r> define-struct-early
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define-struct ; parsing
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: C-UNION:
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scan in get parse-definition define-union ; parsing
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: C-ENUM:
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";" parse-tokens
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dup length
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[ >r create-in r> 1quotation define ] 2each ;
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parsing
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M: alien pprint*
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{
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{ [ dup expired? ] [ drop \ BAD-ALIEN pprint-word ] }
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{ [ dup pinned-c-ptr? not ] [ drop "( displaced alien )" text ] }
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[ \ ALIEN: [ alien-address pprint* ] pprint-prefix ]
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} cond ;
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M: dll pprint* dll-path dup "DLL\" " "\"" pprint-string ;
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