mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
96 lines
2.8 KiB
C++
96 lines
2.8 KiB
C++
/*
|
|
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/analysis/DeclarationContainer.h>
|
|
#include <libsolidity/ast/AST.h>
|
|
#include <libsolidity/ast/Types.h>
|
|
|
|
using namespace std;
|
|
using namespace dev;
|
|
using namespace dev::solidity;
|
|
|
|
Declaration const* DeclarationContainer::conflictingDeclaration(
|
|
Declaration const& _declaration,
|
|
ASTString const* _name
|
|
) const
|
|
{
|
|
if (!_name)
|
|
_name = &_declaration.name();
|
|
solAssert(!_name->empty(), "");
|
|
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 declaration;
|
|
}
|
|
else if (!declarations.empty())
|
|
return declarations.front();
|
|
|
|
return nullptr;
|
|
}
|
|
|
|
bool DeclarationContainer::registerDeclaration(
|
|
Declaration const& _declaration,
|
|
ASTString const* _name,
|
|
bool _invisible,
|
|
bool _update
|
|
)
|
|
{
|
|
if (!_name)
|
|
_name = &_declaration.name();
|
|
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 if (conflictingDeclaration(_declaration))
|
|
return false;
|
|
|
|
if (_invisible)
|
|
m_invisibleDeclarations[*_name].push_back(&_declaration);
|
|
else
|
|
m_declarations[*_name].push_back(&_declaration);
|
|
return true;
|
|
}
|
|
|
|
std::vector<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 vector<Declaration const*>({});
|
|
}
|