! :folding=indent:collapseFolds=1:

! $Id$
!
! Copyright (C) 2004 Slava Pestov.
! 
! Redistribution and use in source and binary forms, with or without
! modification, are permitted provided that the following conditions are met:
! 
! 1. Redistributions of source code must retain the above copyright notice,
!    this list of conditions and the following disclaimer.
! 
! 2. Redistributions in binary form must reproduce the above copyright notice,
!    this list of conditions and the following disclaimer in the documentation
!    and/or other materials provided with the distribution.
! 
! THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
! INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
! FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
! DEVELOPERS AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
! SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
! PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
! OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
! WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
! OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
! ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

IN: processes
USE: files
USE: kernel
USE: streams
USE: stack

: exec ( args -- exitCode )
    cwd
    [
        [ "java.lang.String" ] "java.lang.String"
    ] "factor.FactorLib" "exec"
    jinvoke-static ;

: (pipe) ( args -- process )
    jvm-runtime
    [ [ "java.lang.String" ] ]
    "java.lang.Runtime" "exec" jinvoke ;

: close-stderr ( process -- )
    [ ] "java.lang.Process" "getErrorStream" jinvoke
    close-java-stream ;

: pipe ( args -- stream )
    #! Start a process, and return a stream for communicating
    #! with it.
    (pipe) dup close-stderr
    dup [ ] "java.lang.Process" "getInputStream" jinvoke
    swap [ ] "java.lang.Process" "getOutputStream" jinvoke
    <byte-stream> ;