71 lines
1.8 KiB
C
71 lines
1.8 KiB
C
/*
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* $XConsortium: void_ptr_stack.cc /main/3 1996/06/11 17:18:35 cde-hal $
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*
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* Copyright (c) 1993 HAL Computer Systems International, Ltd.
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* All rights reserved. Unpublished -- rights reserved under
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* the Copyright Laws of the United States. USE OF A COPYRIGHT
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* NOTICE IS PRECAUTIONARY ONLY AND DOES NOT IMPLY PUBLICATION
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* OR DISCLOSURE.
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*
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* THIS SOFTWARE CONTAINS CONFIDENTIAL INFORMATION AND TRADE
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* SECRETS OF HAL COMPUTER SYSTEMS INTERNATIONAL, LTD. USE,
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* DISCLOSURE, OR REPRODUCTION IS PROHIBITED WITHOUT THE
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* PRIOR EXPRESS WRITTEN PERMISSION OF HAL COMPUTER SYSTEMS
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* INTERNATIONAL, LTD.
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*
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* RESTRICTED RIGHTS LEGEND
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* Use, duplication, or disclosure by the Government is subject
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* to the restrictions as set forth in subparagraph (c)(l)(ii)
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* of the Rights in Technical Data and Computer Software clause
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* at DFARS 252.227-7013.
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*
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* HAL COMPUTER SYSTEMS INTERNATIONAL, LTD.
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* 1315 Dell Avenue
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* Campbell, CA 95008
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*
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*/
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#include "dstr/void_ptr_stack.h"
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void_ptr_stack::void_ptr_stack(int exp_size) :
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void_ptr_array(exp_size)
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{
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}
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void_ptr_stack::~void_ptr_stack()
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{
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}
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void void_ptr_stack::push(void* new_elmt)
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{
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insert(new_elmt, v_elmts++);
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}
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void* void_ptr_stack::pop()
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{
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if ( v_elmts == 0 )
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throw(stringException("empty stack"));
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return operator[](--v_elmts);
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}
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void* void_ptr_stack::peep(int i)
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{
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if INRANGE(i, -(v_elmts-1), 0) {
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return operator[](v_elmts-i-1);
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} else {
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debug(cerr, i);
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debug(cerr, v_elmts);
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throw(stringException("invalid peep index"));
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}
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}
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ostream& operator <<(ostream& out, void_ptr_stack& stk)
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{
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for ( int i=stk.no_elmts(); i>0; i-- )
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debug(cerr, (char*)stk.operator[](i-1));
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return out;
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}
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