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-- Copyright (c) 1991-2002, The Numerical Algorithms Group Ltd.
-- All rights reserved.
-- Copyright (C) 2007-2009, Gabriel Dos Reis.
-- All rights reserved.
--
-- Redistribution and use in source and binary forms, with or without
-- modification, are permitted provided that the following conditions are
-- met:
--
-- - Redistributions of source code must retain the above copyright
-- notice, this list of conditions and the following disclaimer.
--
-- - 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.
--
-- - Neither the name of The Numerical Algorithms Group Ltd. nor the
-- names of its contributors may be used to endorse or promote products
-- derived from this software without specific prior written permission.
--
-- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT OWNER
-- OR 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.
import pathname
namespace BOOT
-- some functions that may need to be changed on different lisp
-- systems.
-- RREAD which takes erroval to return if key is missing
rread(key,rstream,errorval) ==
if IDENTP key then key := symbolName key
RREAD(key,rstream,errorval)
rwrite(key,val,stream) ==
if IDENTP key then key := symbolName key
RWRITE(key,val,stream)
-- issuing commands to the operating system
system() ==
-- VM version of system command
string := getSystemCommandLine()
if string = '"" then string := '"sh"
sayMessage ['" Return Code = ", runCommand string]
terminateSystemCommand()
editFile file ==
runCommand strconc(textEditor(),'" ",namestring pathname file)
update() ==
runCommand
strconc(textEditor(), '" ",STRINGIMAGE _/VERSION,'" ",STRINGIMAGE _/WSNAME,'" A")
_/UPDATE()
makeBigFloat(mantissa,expon) ==
[$BFtag,mantissa,:expon]
READLINE(:s) ==
s => read_-line(first s)
read_-line($InputStream)
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