mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
79 lines
2.3 KiB
C++
79 lines
2.3 KiB
C++
/*
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This file is part of cpp-ethereum.
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cpp-ethereum 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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cpp-ethereum 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 cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* @author Christian <c@ethdev.com>
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* @date 2014
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* Scope - object that holds declaration of names.
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*/
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#include <libsolidity/DeclarationContainer.h>
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#include <libsolidity/AST.h>
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#include <libsolidity/Types.h>
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namespace dev
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{
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namespace solidity
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{
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bool DeclarationContainer::registerDeclaration(Declaration const& _declaration, bool _invisible, bool _update)
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{
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ASTString const& name(_declaration.getName());
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if (name.empty())
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return true;
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if (!_update)
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{
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if (dynamic_cast<FunctionDefinition const*>(&_declaration))
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{
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// other declarations must be FunctionDefinition, otherwise clash with other declarations.
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for (auto&& declaration: m_declarations[_declaration.getName()])
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if (dynamic_cast<FunctionDefinition const*>(declaration) == nullptr)
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return false;
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}
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else if (m_declarations.count(_declaration.getName()) != 0)
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return false;
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}
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else
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{
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// update declaration
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solAssert(dynamic_cast<FunctionDefinition const*>(&_declaration) == nullptr, "cannot be FunctionDefinition");
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m_declarations[_declaration.getName()].clear();
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}
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if (_invisible)
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m_invisibleDeclarations.insert(name);
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else
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m_declarations[_declaration.getName()].insert(&_declaration);
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return true;
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}
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std::set<Declaration const*> DeclarationContainer::resolveName(ASTString const& _name, bool _recursive) const
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{
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solAssert(!_name.empty(), "Attempt to resolve empty name.");
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auto result = m_declarations.find(_name);
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if (result != m_declarations.end())
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return result->second;
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if (_recursive && m_enclosingContainer)
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return m_enclosingContainer->resolveName(_name, true);
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return std::set<Declaration const*>({});
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}
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}
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}
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