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HName.h
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HName.h
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#ifndef __HName_H
#define __HName_H
/*
* Copyright (c) 2001-2010 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
# include <iostream>
# include <list>
# include "StringHeap.h"
# include <climits>
#ifdef __GNUC__
#if __GNUC__ > 2
using namespace std;
#endif
#endif
/*
* This class represents a component of a Verilog hierarchical name. A
* hierarchical component contains a name string (represented here
* with a perm_string) and an optional signed number. This signed
* number is used if the scope is part of an array, for example an
* array of module instances or a loop generated scope.
*/
class hname_t {
public:
hname_t ();
explicit hname_t (perm_string text);
explicit hname_t (perm_string text, int num);
hname_t (const hname_t&that);
~hname_t();
hname_t& operator= (const hname_t&);
// Return the string part of the hname_t.
perm_string peek_name(void) const;
bool has_number() const;
int peek_number() const;
private:
perm_string name_;
// If the number is anything other than INT_MIN, then this is
// the numeric part of the name. Otherwise, it is not part of
// the name at all.
int number_;
private: // not implemented
};
inline hname_t::~hname_t()
{
}
inline perm_string hname_t::peek_name(void) const
{
return name_;
}
inline int hname_t::peek_number() const
{
return number_;
}
inline bool hname_t::has_number() const
{
return number_ != INT_MIN;
}
extern bool operator < (const hname_t&, const hname_t&);
extern bool operator == (const hname_t&, const hname_t&);
extern ostream& operator<< (ostream&, const hname_t&);
inline bool operator != (const hname_t&l, const hname_t&r)
{ return ! (l == r); }
inline ostream& operator<< (ostream&out, const list<hname_t>&ll)
{
list<hname_t>::const_iterator cur = ll.begin();
out << *cur;
++ cur;
while (cur != ll.end()) {
out << "." << *cur;
++ cur;
}
return out;
}
#endif