solidity/libjulia/optimiser/FunctionHoister.cpp
2018-05-09 12:28:49 +02:00

52 lines
1.5 KiB
C++

/*
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 so that it consists of a block starting with
* a single block followed only by function definitions and with no functions defined
* anywhere else.
*/
#include <libjulia/optimiser/FunctionHoister.h>
#include <libjulia/optimiser/Utilities.h>
#include <libsolidity/inlineasm/AsmData.h>
#include <libdevcore/CommonData.h>
using namespace std;
using namespace dev;
using namespace dev::julia;
using namespace dev::solidity;
void FunctionHoister::operator()(Block& _block)
{
bool topLevel = m_isTopLevel;
m_isTopLevel = false;
for (auto&& statement: _block.statements)
{
boost::apply_visitor(*this, statement);
if (statement.type() == typeid(FunctionDefinition))
{
m_functions.emplace_back(std::move(statement));
statement = Block{_block.location, {}};
}
}
removeEmptyBlocks(_block);
if (topLevel)
_block.statements += std::move(m_functions);
}