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/*
    This file is part of solidity.

    solidity is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    solidity 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 solidity.  If not, see <http://www.gnu.org/licenses/>.
*/
/**
 * Optimiser component that can create new unique names.
 */

#include <libjulia/optimiser/NameDispenser.h>

using namespace std;
using namespace dev;
using namespace dev::julia;

string NameDispenser::newName(string const& _prefix)
{
    string name = _prefix;
    size_t suffix = 0;
    while (name.empty() || m_usedNames.count(name))
    {
        suffix++;
        name = _prefix + "_" + to_string(suffix);
    }
    m_usedNames.insert(name);
    return name;
}