mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
77 lines
2.3 KiB
C++
77 lines
2.3 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 makes all identifiers unique.
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*/
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#include <libyul/optimiser/Disambiguator.h>
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#include <libyul/AST.h>
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#include <libyul/Dialect.h>
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#include <libyul/Exceptions.h>
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#include <libyul/Scope.h>
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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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YulString Disambiguator::translateIdentifier(YulString _originalName)
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{
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if (m_dialect.builtin(_originalName) || m_externallyUsedIdentifiers.count(_originalName))
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return _originalName;
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assertThrow(!m_scopes.empty() && m_scopes.back(), OptimizerException, "");
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Scope::Identifier const* id = m_scopes.back()->lookup(_originalName);
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assertThrow(id, OptimizerException, "");
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if (!m_translations.count(id))
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m_translations[id] = m_nameDispenser.newName(_originalName);
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return m_translations.at(id);
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}
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void Disambiguator::enterScope(Block const& _block)
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{
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enterScopeInternal(*m_info.scopes.at(&_block));
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}
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void Disambiguator::leaveScope(Block const& _block)
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{
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leaveScopeInternal(*m_info.scopes.at(&_block));
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}
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void Disambiguator::enterFunction(FunctionDefinition const& _function)
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{
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enterScopeInternal(*m_info.scopes.at(m_info.virtualBlocks.at(&_function).get()));
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}
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void Disambiguator::leaveFunction(FunctionDefinition const& _function)
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{
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leaveScopeInternal(*m_info.scopes.at(m_info.virtualBlocks.at(&_function).get()));
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}
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void Disambiguator::enterScopeInternal(Scope& _scope)
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{
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m_scopes.push_back(&_scope);
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}
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void Disambiguator::leaveScopeInternal(Scope& _scope)
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{
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assertThrow(!m_scopes.empty(), OptimizerException, "");
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assertThrow(m_scopes.back() == &_scope, OptimizerException, "");
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m_scopes.pop_back();
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}
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