mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
55 lines
1.8 KiB
C++
55 lines
1.8 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/>.
|
|
*/
|
|
// SPDX-License-Identifier: GPL-3.0
|
|
/**
|
|
* Changes the topmost block to be a function with a specific name ("main") which has no
|
|
* inputs nor outputs.
|
|
*/
|
|
|
|
#include <libyul/optimiser/MainFunction.h>
|
|
|
|
#include <libyul/optimiser/NameCollector.h>
|
|
#include <libyul/Exceptions.h>
|
|
|
|
#include <libyul/AsmData.h>
|
|
|
|
#include <libsolutil/CommonData.h>
|
|
|
|
using namespace std;
|
|
using namespace solidity;
|
|
using namespace solidity::yul;
|
|
|
|
void MainFunction::operator()(Block& _block)
|
|
{
|
|
assertThrow(_block.statements.size() >= 1, OptimizerException, "");
|
|
assertThrow(holds_alternative<Block>(_block.statements[0]), OptimizerException, "");
|
|
for (size_t i = 1; i < _block.statements.size(); ++i)
|
|
assertThrow(holds_alternative<FunctionDefinition>(_block.statements.at(i)), OptimizerException, "");
|
|
/// @todo this should handle scopes properly and instead of an assertion it should rename the conflicting function
|
|
assertThrow(NameCollector(_block).names().count("main"_yulstring) == 0, OptimizerException, "");
|
|
|
|
Block& block = std::get<Block>(_block.statements[0]);
|
|
FunctionDefinition main{
|
|
block.location,
|
|
"main"_yulstring,
|
|
{},
|
|
{},
|
|
std::move(block)
|
|
};
|
|
_block.statements[0] = std::move(main);
|
|
}
|