mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
40 lines
1.2 KiB
C++
40 lines
1.2 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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* Specific AST copier that replaces certain identifiers with expressions.
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*/
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#include <libyul/optimiser/Substitution.h>
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#include <libyul/AST.h>
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using namespace solidity;
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using namespace solidity::yul;
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Expression Substitution::translate(Expression const& _expression)
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{
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if (std::holds_alternative<Identifier>(_expression))
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{
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YulString name = std::get<Identifier>(_expression).name;
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if (m_substitutions.count(name))
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// No recursive substitution
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return ASTCopier().translate(*m_substitutions.at(name));
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}
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return ASTCopier::translate(_expression);
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}
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