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-- Copyright (c) 1991-2002, The Numerical ALgorithms Group Ltd.
-- All rights reserved.
-- Copyright (C) 2007, 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 c_-util
namespace BOOT
++ fetchs the item in the nth entry of a domain shell.
getShellEntry: (%Shell,%Short) -> %Thing
getShellEntry(s,i) ==
SVREF(s,i)
++ sets the nth nth entry of a domain shell to an item.
setShellEntry: (%Shell,%Short,%Thing) -> %Thing
setShellEntry(s,i,t) ==
SETF(SVREF(s,i),t)
unloadOneConstructor(cnam,fn) ==
REMPROP(cnam,'LOADED)
SETF(SYMBOL_-FUNCTION cnam,mkAutoLoad(fn, cnam))
devaluateDeeply x ==
VECP x => devaluate x
atom x => x
[devaluateDeeply y for y in x]
lookupDisplay(op,sig,vectorOrForm,suffix) ==
null $NRTmonitorIfTrue => nil
prefix := (suffix = '"" => ">"; "<")
sayBrightly
concat(prefix,formatOpSignature(op,sig),
'" from ", prefix2String devaluateDeeply vectorOrForm,suffix)
isInstantiated [op,:argl] ==
u:= lassocShiftWithFunction(argl,HGET($ConstructorCache,op),'domainEqualList)
=> CDRwithIncrement u
nil
isCategoryPackageName nam ==
p := PNAME opOf nam
p.(MAXINDEX p) = char '_&
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