mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
57 lines
1.6 KiB
C++
57 lines
1.6 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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// SPDX-License-Identifier: GPL-3.0
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#include <libyul/optimiser/BlockFlattener.h>
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#include <libyul/AST.h>
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#include <libsolutil/CommonData.h>
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#include <functional>
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using namespace solidity;
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using namespace solidity::yul;
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using namespace solidity::util;
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void BlockFlattener::operator()(Block& _block)
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{
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ASTModifier::operator()(_block);
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iterateReplacing(
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_block.statements,
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[](Statement& _s) -> std::optional<std::vector<Statement>>
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{
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if (std::holds_alternative<Block>(_s))
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return std::move(std::get<Block>(_s).statements);
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else
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return {};
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}
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);
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}
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void BlockFlattener::run(OptimiserStepContext&, Block& _ast)
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{
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BlockFlattener flattener;
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for (auto& statement: _ast.statements)
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if (auto* block = std::get_if<Block>(&statement))
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flattener(*block);
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else if (auto* function = std::get_if<FunctionDefinition>(&statement))
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flattener(function->body);
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else
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yulAssert(false, "BlockFlattener requires the FunctionGrouper.");
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}
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