mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
53 lines
1.4 KiB
C++
53 lines
1.4 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
|
|
#include <libyul/optimiser/ForLoopInitRewriter.h>
|
|
#include <libyul/AST.h>
|
|
|
|
#include <libsolutil/CommonData.h>
|
|
|
|
#include <functional>
|
|
|
|
using namespace solidity;
|
|
using namespace solidity::yul;
|
|
|
|
void ForLoopInitRewriter::operator()(Block& _block)
|
|
{
|
|
util::iterateReplacing(
|
|
_block.statements,
|
|
[&](Statement& _stmt) -> std::optional<std::vector<Statement>>
|
|
{
|
|
if (std::holds_alternative<ForLoop>(_stmt))
|
|
{
|
|
auto& forLoop = std::get<ForLoop>(_stmt);
|
|
(*this)(forLoop.pre);
|
|
(*this)(forLoop.body);
|
|
(*this)(forLoop.post);
|
|
std::vector<Statement> rewrite;
|
|
swap(rewrite, forLoop.pre.statements);
|
|
rewrite.emplace_back(std::move(forLoop));
|
|
return { std::move(rewrite) };
|
|
}
|
|
else
|
|
{
|
|
visit(_stmt);
|
|
return {};
|
|
}
|
|
}
|
|
);
|
|
}
|