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#ifndef IVL_HName_H
#define IVL_HName_H
/*
* Copyright (c) 2001-2021 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 <vector>
# include "StringHeap.h"
# include <cassert>
/*
* 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 {
friend std::ostream& operator<< (std::ostream&out, const hname_t&that);
public:
hname_t ();
explicit hname_t (perm_string text);
explicit hname_t (perm_string text, int num);
explicit hname_t (perm_string text, const std::vector<int>&nums);
hname_t (const hname_t&that);
~hname_t();
hname_t& operator= (const hname_t&);
bool operator == (const hname_t&that) const;
bool operator < (const hname_t&that) const;
// Return the string part of the hname_t.
perm_string peek_name(void) const;
size_t has_numbers() const;
int peek_number(size_t idx) const;
const std::vector<int>&peek_numbers() const;
private:
perm_string name_;
// If this vector has size, then the numbers all together make
// up part of the hierarchical name.
std::vector<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(size_t idx) const
{
assert(number_.size() > idx);
return number_[idx];
}
inline const std::vector<int>& hname_t::peek_numbers(void) const
{
return number_;
}
inline size_t hname_t::has_numbers() const
{
return number_.size();
}
extern std::ostream& operator<< (std::ostream&, const hname_t&);
inline bool operator != (const hname_t&l, const hname_t&r)
{ return ! (l == r); }
inline std::ostream& operator<< (std::ostream&out, const std::list<hname_t>&ll)
{
std::list<hname_t>::const_iterator cur = ll.begin();
out << *cur;
++ cur;
while (cur != ll.end()) {
out << "." << *cur;
++ cur;
}
return out;
}
#endif /* IVL_HName_H */
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