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\documentclass{article}
\usepackage{axiom}
\begin{document}
\title{\$SPAD/src/interp pathname.boot}
\author{The Axiom Team}
\maketitle
\begin{abstract}
\end{abstract}
\eject
\tableofcontents
\eject
\section{License}
<<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.
@
<<*>>=
<<license>>
)package "BOOT"
-- This file implements the Common Lisp pathname functions for
-- Lisp/VM. On VM, a filename is 3-list consisting of the filename,
-- filetype and filemode. We also UPCASE everything.
-- This file also contains some other VM specific functions for
-- dealing with files.
--% Common Lisp Pathname Functions
pathname? p == p=[] or PATHNAMEP p
pathname p ==
p = [] => p
PATHNAMEP p => p
not PAIRP p => PATHNAME p
if #p>2 then p:=[p.0,p.1]
PATHNAME APPLY(FUNCTION MAKE_-FILENAME, p)
namestring p == NAMESTRING pathname p
pathnameName p == PATHNAME_-NAME pathname p
pathnameType p == PATHNAME_-TYPE pathname p
pathnameTypeId p == UPCASE object2Identifier pathnameType p
pathnameDirectory p ==
NAMESTRING MAKE_-PATHNAME(LispKeyword '"DIRECTORY",PATHNAME_-DIRECTORY pathname p)
deleteFile f == _$ERASE pathname f
isExistingFile f ==
-- p := pathname f
--member(p,$existingFiles) => true
if MAKE_-INPUT_-FILENAME f
then
--$existingFiles := [p,:$existingFiles]
true
else false
--% Scratchpad II File Name Functions
makePathname(name,type,dir) ==
-- Common Lisp version of this will have to be written
-- using MAKE-PATHNAME and the optional args.
pathname [object2String name,object2String type]
mergePathnames(a,b) ==
(fn := pathnameName(a)) = '"*" => b
fn ^= pathnameName(b) => a
(ft := pathnameType(a)) = '"*" => b
ft ^= pathnameType(b) => a
(fm := pathnameDirectory(a)) = ['"*"] => b
a
isSystemDirectory dir ==
EVERY(function CHAR_=,systemRootDirectory(),dir)
-- the next function is an improved version of the one in DEBUG LISP
_/MKINFILENAM(infile) == CATCH('FILNAM, newMKINFILENAM infile)
newMKINFILENAM(infile) ==
NULL infile => nil
file := infile := pathname infile
repeat
fn := pathnameName file
nfile := $FINDFILE (file,$sourceFileTypes)
null nfile =>
nfile := file
if fn = '"*" or fn = '"NIL" then sayKeyedMsg("S2IL0016",NIL)
else sayKeyedMsg("S2IL0003",[namestring file])
ans := queryUserKeyedMsg("S2IL0017",NIL)
if (SIZE(ans) > 0) and ('")" = SUBSTRING(ans,0,1)) then n := 2
else n := 1
nfn := UPCASE STRING2ID_-N(ans,n)
(nfn = 0) or (nfn = 'QUIT) =>
sayKeyedMsg("S2IL0018",NIL)
THROW('FILENAM,NIL)
nfn = 'CREATE => return 'fromThisLoop
file := pathname ans
return 'fromThisLoop
if nfile then pathname nfile
else NIL
getFunctionSourceFile fun ==
null (f := getFunctionSourceFile1 fun) => NIL
if MAKE_-INPUT_-FILENAME(f) then updateSourceFiles f
f
getFunctionSourceFile1 fun ==
-- returns NIL or [fn,ft,fm]
(file := KDR GETL(fun,'DEFLOC)) => pathname file
null ((fileinfo := FUNLOC fun) or
(fileinfo := FUNLOC unabbrev fun)) =>
u := bootFind fun => getFunctionSourceFile1 SETQ($FUNCTION,INTERN u)
NIL
3 = #fileinfo =>
[fn,ft,$FUNCTION] := fileinfo
newMKINFILENAM pathname [fn,ft]
[fn,$FUNCTION] := fileinfo
newMKINFILENAM pathname [fn]
updateSourceFiles p ==
p := pathname p
p := pathname [pathnameName p, pathnameType p, '"*"]
if MAKE_-INPUT_-FILENAME p and pathnameTypeId p in '(BOOT LISP META) then
$sourceFiles := insert(p, $sourceFiles)
p
@
\eject
\begin{thebibliography}{99}
\bibitem{1} nothing
\end{thebibliography}
\end{document}
|
