solidity/DeclarationContainer.cpp

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/*
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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
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
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cpp-ethereum is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
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*/
/**
* @author Christian <c@ethdev.com>
* @date 2014
* Scope - object that holds declaration of names.
*/
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#include <libsolidity/DeclarationContainer.h>
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#include <libsolidity/AST.h>
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namespace dev
{
namespace solidity
{
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bool DeclarationContainer::registerDeclaration(Declaration const& _declaration, bool _update)
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{
if (_declaration.getName().empty())
return true;
if (!_update && m_declarations.find(_declaration.getName()) != m_declarations.end())
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return false;
m_declarations[_declaration.getName()] = &_declaration;
return true;
}
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Declaration const* DeclarationContainer::resolveName(ASTString const& _name, bool _recursive) const
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{
solAssert(!_name.empty(), "Attempt to resolve empty name.");
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auto result = m_declarations.find(_name);
if (result != m_declarations.end())
return result->second;
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if (_recursive && m_enclosingContainer)
return m_enclosingContainer->resolveName(_name, true);
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return nullptr;
}
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}
}