factor/basis/eval/eval.factor

! Copyright (C) 2008, 2009 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
USING: splitting parser parser.notes compiler.units kernel
namespaces debugger io.streams.string fry combinators
effects.parser continuations ;
IN: eval

: parse-string ( str -- quot )
    [ string-lines parse-lines ] with-compilation-unit ;

: (eval) ( str effect -- )
    [ parse-string ] dip call-effect ; inline

: eval ( str effect -- )
    [ (eval) ] with-file-vocabs ; inline

SYNTAX: eval( \ eval parse-call( ;

: (eval>string) ( str -- output )
    [
        parser-quiet? on
        '[ _ ( -- ) (eval) ] [ print-error ] recover
    ] with-string-writer ;

: eval>string ( str -- output )
    [ (eval>string) ] with-file-vocabs ;