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#ifndef __Attrib_H
#define __Attrib_H
/*
* Copyright (c) 2000 Stephen Williams (steve@icarus.com)
*
* This source code is free software; you can redistribute it
* and/or modify it in source code form under the terms of the GNU
* General Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
#ifdef HAVE_CVS_IDENT
#ident "$Id: Attrib.h,v 1.5 2004/02/20 18:53:33 steve Exp $"
#endif
# include "StringHeap.h"
# include "verinum.h"
/*
* This class keeps a map of key/value pairs. The map can be set from
* an STL map, or by setting individual mappings.
*/
class Attrib {
public:
Attrib();
~Attrib();
const verinum&attribute(perm_string key) const;
void attribute(perm_string key, const verinum&value);
bool has_compat_attributes(const Attrib&that) const;
/* Provide a means of iterating over the entries in the map. */
unsigned attr_cnt() const;
perm_string attr_key(unsigned idx) const;
const verinum& attr_value(unsigned idx) const;
private:
struct cell_ {
perm_string key;
verinum val;
};
unsigned nlist_;
struct cell_*list_;
private: // not implemented
Attrib(const Attrib&);
Attrib& operator= (const Attrib&);
};
/*
* $Log: Attrib.h,v $
* Revision 1.5 2004/02/20 18:53:33 steve
* Addtrbute keys are perm_strings.
*
* Revision 1.4 2002/08/12 01:34:58 steve
* conditional ident string using autoconfig.
*
* Revision 1.3 2002/05/26 01:39:02 steve
* Carry Verilog 2001 attributes with processes,
* all the way through to the ivl_target API.
*
* Divide signal reference counts between rval
* and lval references.
*
* Revision 1.2 2002/05/23 03:08:50 steve
* Add language support for Verilog-2001 attribute
* syntax. Hook this support into existing $attribute
* handling, and add number and void value types.
*
* Add to the ivl_target API new functions for access
* of complex attributes attached to gates.
*
* Revision 1.1 2000/12/04 17:37:03 steve
* Add Attrib class for holding NetObj attributes.
*
*/
#endif
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