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# ----------------------------------------------------------------------
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# PURPOSE: Tracking for hazardous products manufactured by the
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# "toaster" company.
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#
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# AUTHOR: Michael J. McLennan Phone: (610)712-2842
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# AT&T Bell Laboratories E-mail: michael.mclennan@att.com
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#
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# RCS: $Id: Hazard.tcl,v 1.1.1.1 2002-01-16 10:24:47 markom Exp $
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# ----------------------------------------------------------------------
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# Copyright (c) 1993 AT&T Bell Laboratories
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# ======================================================================
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# Permission to use, copy, modify, and distribute this software and its
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# documentation for any purpose and without fee is hereby granted,
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# provided that the above copyright notice appear in all copies and that
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# both that the copyright notice and warranty disclaimer appear in
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# supporting documentation, and that the names of AT&T Bell Laboratories
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# any of their entities not be used in advertising or publicity
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# pertaining to distribution of the software without specific, written
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# prior permission.
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#
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# AT&T disclaims all warranties with regard to this software, including
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# all implied warranties of merchantability and fitness. In no event
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# shall AT&T be liable for any special, indirect or consequential
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# damages or any damages whatsoever resulting from loss of use, data or
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# profits, whether in an action of contract, negligence or other
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# tortuous action, arising out of or in connection with the use or
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# performance of this software.
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# ======================================================================
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itcl_class HazardRec {
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constructor {cname} {
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set class $cname
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}
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method change {var inc} {
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if {![info exists $var]} {
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error "bad field \"$var\""
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}
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incr $var $inc
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}
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method report {} {
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return "$class: $total produced, $actives active, $accidents accidents"
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}
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protected class {}
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protected total 0
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protected actives 0
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protected accidents 0
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}
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itcl_class Hazard {
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constructor {} {
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set class [virtual info class]
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if {![info exists recs($class)]} {
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set recs($class) [HazardRec #auto $class]
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}
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$recs($class) change total +1
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$recs($class) change actives +1
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}
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destructor {
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set class [virtual info class]
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$recs($class) change actives -1
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}
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method accident {mesg} {
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set class [virtual info class]
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$recs($class) change accidents +1
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puts stderr $mesg
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}
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proc report {class} {
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if {[info exists recs($class)]} {
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return [$recs($class) report]
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} else {
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error "no information for class \"$class\""
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}
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}
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common recs
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}
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