libyul/optimiser/BlockFlattener.cpp


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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/>.
*/
#include <libyul/optimiser/BlockFlattener.h>
#include <libyul/AsmData.h>
#include <libdevcore/Visitor.h>
#include <libdevcore/CommonData.h>
#include <functional>

using namespace std;
using namespace dev;
using namespace yul;

void BlockFlattener::operator()(Block& _block)
{
    ASTModifier::operator()(_block);

    iterateReplacing(
        _block.statements,
        [](Statement& _s) -> boost::optional<vector<Statement>>
        {
            if (_s.type() == typeid(Block))
                return std::move(boost::get<Block>(_s).statements);
            else
                return {};
        }
    );
}