mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
56 lines
1.5 KiB
C++
56 lines
1.5 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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/**
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* Optimiser component that changes the code so that all function definitions are at the top
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* level block.
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*/
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#pragma once
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#include <libyul/ASTForward.h>
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#include <libyul/optimiser/ASTWalker.h>
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namespace solidity::yul
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{
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struct OptimiserStepContext;
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/**
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* Moves all functions to the top-level scope.
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* Applying this transformation to source code that has ambiguous identifiers might
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* lead to invalid code.
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*
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* Prerequisites: Disambiguator
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*/
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class FunctionHoister: public ASTModifier
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{
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public:
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static constexpr char const* name{"FunctionHoister"};
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static void run(OptimiserStepContext&, Block& _ast) { FunctionHoister{}(_ast); }
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using ASTModifier::operator();
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void operator()(Block& _block) override;
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private:
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FunctionHoister() = default;
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bool m_isTopLevel = true;
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std::vector<Statement> m_functions;
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};
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}
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