factor/basis/alien/syntax/syntax.factor

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1.4 KiB
Factor

! Copyright (C) 2005, 2009 Slava Pestov, Alex Chapman.
! See http://factorcode.org/license.txt for BSD license.
USING: accessors arrays alien alien.c-types
alien.arrays alien.strings kernel math namespaces parser
sequences words quotations math.parser splitting grouping
effects assocs combinators lexer strings.parser alien.parser
fry vocabs.parser words.constant alien.libraries ;
IN: alien.syntax
SYNTAX: DLL" lexer get skip-blank parse-string dlopen parsed ;
SYNTAX: ALIEN: 16 scan-base <alien> parsed ;
SYNTAX: BAD-ALIEN <bad-alien> parsed ;
SYNTAX: LIBRARY: scan "c-library" set ;
SYNTAX: FUNCTION:
(FUNCTION:) define-declared ;
SYNTAX: CALLBACK:
(CALLBACK:) define-inline ;
SYNTAX: TYPEDEF:
scan-c-type CREATE-C-TYPE typedef ;
SYNTAX: C-ENUM:
";" parse-tokens
[ [ create-in ] dip define-constant ] each-index ;
SYNTAX: C-TYPE:
void CREATE-C-TYPE typedef ;
ERROR: no-such-symbol name library ;
: address-of ( name library -- value )
2dup load-library dlsym [ 2nip ] [ no-such-symbol ] if* ;
SYNTAX: &:
scan "c-library" get '[ _ _ address-of ] over push-all ;
: global-quot ( type word -- quot )
name>> "c-library" get '[ _ _ address-of 0 ]
swap c-type-getter-boxer append ;
: define-global ( type word -- )
[ nip ] [ global-quot ] 2bi (( -- value )) define-declared ;
SYNTAX: C-GLOBAL: scan-c-type CREATE-WORD define-global ;