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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/>.
*/
/**
* Changes the topmost block to be a function with a specific name ("main") which has no
* inputs nor outputs.
*/
#include <libjulia/optimiser/MainFunction.h>
#include <libjulia/optimiser/NameCollector.h>
#include <libjulia/Exceptions.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 MainFunction::operator()(Block& _block)
{
assertThrow(_block.statements.size() >= 1, OptimizerException, "");
assertThrow(_block.statements[0].type() == typeid(Block), OptimizerException, "");
for (size_t i = 1; i < _block.statements.size(); ++i)
assertThrow(_block.statements.at(i).type() == typeid(FunctionDefinition), OptimizerException, "");
/// @todo this should handle scopes properly and instead of an assertion it should rename the conflicting function
assertThrow(NameCollector(_block).names().count("main") == 0, OptimizerException, "");
Block& block = boost::get<Block>(_block.statements[0]);
FunctionDefinition main{
block.location,
"main",
{},
{},
std::move(block)
};
_block.statements[0] = std::move(main);
}
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