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/*
* Copyright (c) 1999-2005 Mark D. Hill and David A. Wood
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met: redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer;
* redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution;
* neither the name of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* $Id$
*
*/
#ifndef MAP_H
#define MAP_H
#include "Vector.hh"
namespace __gnu_cxx {
template <> struct hash <std::string>
{
size_t operator()(const string& s) const { return hash<char*>()(s.c_str()); }
};
}
typedef unsigned long long uint64;
//hack for uint64 hashes...
namespace __gnu_cxx {
template <> struct hash <uint64>
{
size_t operator()(const uint64 & s) const { return (size_t) s; }
};
}
template <class KEY_TYPE, class VALUE_TYPE>
class Map
{
public:
Map() { /* empty */ }
~Map() { /* empty */ }
void add(const KEY_TYPE& key, const VALUE_TYPE& value);
bool exist(const KEY_TYPE& key) const;
int size() const { return m_map.size(); }
void erase(const KEY_TYPE& key) { assert(exist(key)); m_map.erase(key); }
Vector<KEY_TYPE> keys() const;
Vector<VALUE_TYPE> values() const;
void deleteKeys();
void deleteValues();
VALUE_TYPE& lookup(const KEY_TYPE& key) const;
void clear() { m_map.clear(); }
void print(ostream& out) const;
// Synonyms
void remove(const KEY_TYPE& key) { erase(key); }
void deallocate(const KEY_TYPE& key) { erase(key); }
void allocate(const KEY_TYPE& key) { add(key, VALUE_TYPE()); }
void insert(const KEY_TYPE& key, const VALUE_TYPE& value) { add(key, value); }
// Use default copy constructor and assignment operator
private:
// Data members
// m_map is declared mutable because some methods from the STL "map"
// class that should be const are not. Thus we define this as
// mutable so we can still have conceptually const accessors.
mutable __gnu_cxx::hash_map<KEY_TYPE, VALUE_TYPE> m_map;
};
template <class KEY_TYPE, class VALUE_TYPE>
ostream& operator<<(ostream& out, const Map<KEY_TYPE, VALUE_TYPE>& map);
// *********************
template <class KEY_TYPE, class VALUE_TYPE>
void Map<KEY_TYPE, VALUE_TYPE>::add(const KEY_TYPE& key, const VALUE_TYPE& value)
{
// Update or add a new key/value pair
m_map[key] = value;
}
template <class KEY_TYPE, class VALUE_TYPE>
bool Map<KEY_TYPE, VALUE_TYPE>::exist(const KEY_TYPE& key) const
{
return (m_map.count(key) != 0);
}
template <class KEY_TYPE, class VALUE_TYPE>
VALUE_TYPE& Map<KEY_TYPE, VALUE_TYPE>::lookup(const KEY_TYPE& key) const
{
assert(exist(key));
return m_map[key];
}
template <class KEY_TYPE, class VALUE_TYPE>
Vector<KEY_TYPE> Map<KEY_TYPE, VALUE_TYPE>::keys() const
{
Vector<KEY_TYPE> keys;
typename hash_map<KEY_TYPE, VALUE_TYPE>::const_iterator iter;
for (iter = m_map.begin(); iter != m_map.end(); iter++) {
keys.insertAtBottom((*iter).first);
}
return keys;
}
template <class KEY_TYPE, class VALUE_TYPE>
Vector<VALUE_TYPE> Map<KEY_TYPE, VALUE_TYPE>::values() const
{
Vector<VALUE_TYPE> values;
typename hash_map<KEY_TYPE, VALUE_TYPE>::const_iterator iter;
pair<KEY_TYPE, VALUE_TYPE> p;
for (iter = m_map.begin(); iter != m_map.end(); iter++) {
p = *iter;
values.insertAtBottom(p.second);
}
return values;
}
template <class KEY_TYPE, class VALUE_TYPE>
void Map<KEY_TYPE, VALUE_TYPE>::deleteKeys()
{
typename hash_map<KEY_TYPE, VALUE_TYPE>::const_iterator iter;
pair<KEY_TYPE, VALUE_TYPE> p;
for (iter = m_map.begin(); iter != m_map.end(); iter++) {
p = *iter;
delete p.first;
}
}
template <class KEY_TYPE, class VALUE_TYPE>
void Map<KEY_TYPE, VALUE_TYPE>::deleteValues()
{
typename hash_map<KEY_TYPE, VALUE_TYPE>::const_iterator iter;
pair<KEY_TYPE, VALUE_TYPE> p;
for (iter = m_map.begin(); iter != m_map.end(); iter++) {
p = *iter;
delete p.second;
}
}
template <class KEY_TYPE, class VALUE_TYPE>
void Map<KEY_TYPE, VALUE_TYPE>::print(ostream& out) const
{
typename hash_map<KEY_TYPE, VALUE_TYPE>::const_iterator iter;
pair<KEY_TYPE, VALUE_TYPE> p;
out << "[";
for (iter = m_map.begin(); iter != m_map.end(); iter++) {
// unparse each basic block
p = *iter;
out << " " << p.first << "=" << p.second;
}
out << " ]";
}
template <class KEY_TYPE, class VALUE_TYPE>
ostream& operator<<(ostream& out, const Map<KEY_TYPE, VALUE_TYPE>& map)
{
map.print(out);
return out;
}
#endif //MAP_H
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