mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
51 lines
1.4 KiB
C++
51 lines
1.4 KiB
C++
/*
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This file is part of solidity.
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solidity is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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solidity is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with solidity. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <libyul/optimiser/ForLoopInitRewriter.h>
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#include <libyul/AsmData.h>
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#include <libdevcore/CommonData.h>
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#include <functional>
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using namespace std;
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using namespace solidity;
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using namespace solidity::yul;
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void ForLoopInitRewriter::operator()(Block& _block)
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{
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util::iterateReplacing(
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_block.statements,
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[&](Statement& _stmt) -> std::optional<vector<Statement>>
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{
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if (holds_alternative<ForLoop>(_stmt))
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{
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auto& forLoop = std::get<ForLoop>(_stmt);
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(*this)(forLoop.pre);
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(*this)(forLoop.body);
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(*this)(forLoop.post);
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vector<Statement> rewrite;
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swap(rewrite, forLoop.pre.statements);
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rewrite.emplace_back(move(forLoop));
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return { std::move(rewrite) };
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}
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else
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{
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visit(_stmt);
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return {};
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}
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}
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);
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}
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