From ab8cc85adde879fb963c94d15675783f2cf4b183 Mon Sep 17 00:00:00 2001 From: dos-reis Date: Tue, 14 Aug 2007 05:14:52 +0000 Subject: Initial population. --- src/interp/astr.boot.pamphlet | 99 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 99 insertions(+) create mode 100644 src/interp/astr.boot.pamphlet (limited to 'src/interp/astr.boot.pamphlet') diff --git a/src/interp/astr.boot.pamphlet b/src/interp/astr.boot.pamphlet new file mode 100644 index 00000000..b8f9eb0b --- /dev/null +++ b/src/interp/astr.boot.pamphlet @@ -0,0 +1,99 @@ +\documentclass{article} +\usepackage{axiom} +\begin{document} +\title{\$SPAD/src/interp astr.boot} +\author{The Axiom Team} +\maketitle +\begin{abstract} +\end{abstract} +\eject +\tableofcontents +\eject +\section{License} +<>= +-- Copyright (c) 1991-2002, The Numerical ALgorithms Group Ltd. +-- 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. + +@ +<<*>>= +<> + +)package "BOOT" + +--% Attributed Structures (astr) +-- For objects which are pairs where the CAR field is either just a tag +-- (an identifier) or a pair which is the tag and an association list. + +-- Pick off the tag +ncTag x == + not PAIRP x => ncBug('S2CB0031,[]) + x := QCAR x + IDENTP x => x + not PAIRP x => ncBug('S2CB0031,[]) + QCAR x + +-- Pick off the property list +ncAlist x == + not PAIRP x => ncBug('S2CB0031,[]) + x := QCAR x + IDENTP x => NIL + not PAIRP x => ncBug('S2CB0031,[]) + QCDR x + + --- Get the entry for key k on x's association list +ncEltQ(x,k) == + r := QASSQ(k,ncAlist x) + NULL r => ncBug ('S2CB0007,[k]) + CDR r + +-- Put (k . v) on the association list of x and return v +-- case1: ncPutQ(x,k,v) where k is a key (an identifier), v a value +-- put the pair (k . v) on the association list of x and return v +-- case2: ncPutQ(x,k,v) where k is a list of keys, v a list of values +-- equivalent to [ncPutQ(x,key,val) for key in k for val in v] +ncPutQ(x,k,v) == + LISTP k => + for key in k for val in v repeat ncPutQ(x,key,val) + v + r := QASSQ(k,ncAlist x) + if NULL r then + r := CONS( CONS(k,v), ncAlist x) + RPLACA(x,CONS(ncTag x,r)) + else + RPLACD(r,v) + v + +@ +\eject +\begin{thebibliography}{99} +\bibitem{1} nothing +\end{thebibliography} +\end{document} -- cgit v1.2.3