106 lines
2.7 KiB
C++
106 lines
2.7 KiB
C++
#ifndef __HName_H
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#define __HName_H
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/*
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* Copyright (c) 2001-2010 Stephen Williams (steve@icarus.com)
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*
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* This source code is free software; you can redistribute it
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* and/or modify it in source code form under the terms of the GNU
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* General Public License as published by the Free Software
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* Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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# include <iostream>
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# include <list>
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# include "StringHeap.h"
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# include <climits>
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#ifdef __GNUC__
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#if __GNUC__ > 2
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using namespace std;
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#endif
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#endif
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/*
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* This class represents a component of a Verilog hierarchical name. A
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* hierarchical component contains a name string (represented here
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* with a perm_string) and an optional signed number. This signed
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* number is used if the scope is part of an array, for example an
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* array of module instances or a loop generated scope.
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*/
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class hname_t {
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public:
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hname_t ();
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explicit hname_t (perm_string text);
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explicit hname_t (perm_string text, int num);
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hname_t (const hname_t&that);
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~hname_t();
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hname_t& operator= (const hname_t&);
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// Return the string part of the hname_t.
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perm_string peek_name(void) const;
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bool has_number() const;
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int peek_number() const;
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private:
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perm_string name_;
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// If the number is anything other than INT_MIN, then this is
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// the numeric part of the name. Otherwise, it is not part of
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// the name at all.
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int number_;
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private: // not implemented
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};
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inline hname_t::~hname_t()
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{
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}
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inline perm_string hname_t::peek_name(void) const
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{
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return name_;
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}
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inline int hname_t::peek_number() const
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{
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return number_;
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}
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inline bool hname_t::has_number() const
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{
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return number_ != INT_MIN;
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}
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extern bool operator < (const hname_t&, const hname_t&);
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extern bool operator == (const hname_t&, const hname_t&);
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extern ostream& operator<< (ostream&, const hname_t&);
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inline bool operator != (const hname_t&l, const hname_t&r)
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{ return ! (l == r); }
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inline ostream& operator<< (ostream&out, const list<hname_t>&ll)
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{
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list<hname_t>::const_iterator cur = ll.begin();
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out << *cur;
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++ cur;
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while (cur != ll.end()) {
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out << "." << *cur;
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++ cur;
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}
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return out;
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}
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#endif
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