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/*
This file is part of cpp-ethereum.
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.
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.
You should have received a copy of the GNU General Public License
along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @author Christian <c@ethdev.com>
* @date 2014
* Scope - object that holds declaration of names.
*/
#include <libsolidity/DeclarationContainer.h>
#include <libsolidity/AST.h>
#include <libsolidity/Types.h>
using namespace std;
using namespace dev;
using namespace dev::solidity;
bool DeclarationContainer::registerDeclaration(Declaration const& _declaration, bool _invisible, bool _update)
{
ASTString const& name(_declaration.getName());
if (name.empty())
return true;
if (_update)
{
solAssert(!dynamic_cast<FunctionDefinition const*>(&_declaration), "Attempt to update function definition.");
m_declarations.erase(name);
m_invisibleDeclarations.erase(name);
}
else
{
vector<Declaration const*> declarations;
if (m_declarations.count(name))
declarations += m_declarations.at(name);
if (m_invisibleDeclarations.count(name))
declarations += m_invisibleDeclarations.at(name);
if (dynamic_cast<FunctionDefinition const*>(&_declaration))
{
// check that all other declarations with the same name are functions
for (Declaration const* declaration: declarations)
if (!dynamic_cast<FunctionDefinition const*>(declaration))
return false;
}
else if (!declarations.empty())
return false;
}
if (_invisible)
m_invisibleDeclarations[name].insert(&_declaration);
else
m_declarations[name].insert(&_declaration);
return true;
}
set<Declaration const*> DeclarationContainer::resolveName(ASTString const& _name, bool _recursive) const
{
solAssert(!_name.empty(), "Attempt to resolve empty name.");
auto result = m_declarations.find(_name);
if (result != m_declarations.end())
return result->second;
if (_recursive && m_enclosingContainer)
return m_enclosingContainer->resolveName(_name, true);
return set<Declaration const*>({});
}
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