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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 changes the code of a block so that all non-function definition
 * statements are moved to a block of their own followed by all function definitions.
 */

#include <libjulia/optimiser/FunctionGrouper.h>

#include <libsolidity/inlineasm/AsmData.h>

#include <boost/range/algorithm_ext/erase.hpp>

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


void FunctionGrouper::operator()(Block& _block)
{
    vector<Statement> reordered;
    reordered.emplace_back(Block{_block.location, {}});

    for (auto&& statement: _block.statements)
    {
        if (statement.type() == typeid(FunctionDefinition))
            reordered.emplace_back(std::move(statement));
        else
            boost::get<Block>(reordered.front()).statements.emplace_back(std::move(statement));
    }
    _block.statements = std::move(reordered);
}