/*
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
* Container of the (implicit and explicit) global objects.
*/
#include <memory>
#include <libsolidity/GlobalContext.h>
#include <libsolidity/AST.h>
#include <libsolidity/Types.h>
using namespace std;
namespace dev
{
namespace solidity
{
GlobalContext::GlobalContext():
// TODO: make this cleaner.
m_magicVariables(vector<shared_ptr<MagicVariableDeclaration const>>{make_shared<MagicVariableDeclaration>("block", make_shared<MagicType>(MagicType::Kind::BLOCK)),
make_shared<MagicVariableDeclaration>("msg", make_shared<MagicType>(MagicType::Kind::MSG)),
make_shared<MagicVariableDeclaration>("tx", make_shared<MagicType>(MagicType::Kind::TX)),
make_shared<MagicVariableDeclaration>("suicide",
make_shared<FunctionType>(TypePointers({std::make_shared<IntegerType>(0,
IntegerType::Modifier::ADDRESS)}),
TypePointers(),
FunctionType::Location::SUICIDE)),
make_shared<MagicVariableDeclaration>("sha3",
make_shared<FunctionType>(TypePointers({std::make_shared<IntegerType>(256, IntegerType::Modifier::HASH)}),
TypePointers({std::make_shared<IntegerType>(256, IntegerType::Modifier::HASH)}),
FunctionType::Location::SHA3)),
make_shared<MagicVariableDeclaration>("log0",
make_shared<FunctionType>(TypePointers({std::make_shared<IntegerType>(256, IntegerType::Modifier::HASH)}),
TypePointers(),
FunctionType::Location::LOG0)),
make_shared<MagicVariableDeclaration>("log1",
make_shared<FunctionType>(TypePointers({std::make_shared<IntegerType>(256, IntegerType::Modifier::HASH), std::make_shared<IntegerType>(256, IntegerType::Modifier::HASH)}),
TypePointers(),
FunctionType::Location::LOG1)),
make_shared<MagicVariableDeclaration>("log2",
make_shared<FunctionType>(TypePointers({std::make_shared<IntegerType>(256, IntegerType::Modifier::HASH), std::make_shared<IntegerType>(256, IntegerType::Modifier::HASH), std::make_shared<IntegerType>(256, IntegerType::Modifier::HASH)}),
TypePointers(),
FunctionType::Location::LOG2)),
make_shared<MagicVariableDeclaration>("log3",
make_shared<FunctionType>(TypePointers({std::make_shared<IntegerType>(256, IntegerType::Modifier::HASH), std::make_shared<IntegerType>(256, IntegerType::Modifier::HASH), std::make_shared<IntegerType>(256, IntegerType::Modifier::HASH), std::make_shared<IntegerType>(256, IntegerType::Modifier::HASH)}),
TypePointers(),
FunctionType::Location::LOG3)),
make_shared<MagicVariableDeclaration>("log4",
make_shared<FunctionType>(TypePointers({std::make_shared<IntegerType>(256, IntegerType::Modifier::HASH), std::make_shared<IntegerType>(256, IntegerType::Modifier::HASH), std::make_shared<IntegerType>(256, IntegerType::Modifier::HASH), std::make_shared<IntegerType>(256, IntegerType::Modifier::HASH), std::make_shared<IntegerType>(256, IntegerType::Modifier::HASH)}),
TypePointers(),
FunctionType::Location::LOG4)),
make_shared<MagicVariableDeclaration>("sha256",
make_shared<FunctionType>(TypePointers({std::make_shared<IntegerType>(256, IntegerType::Modifier::HASH)}),
TypePointers({std::make_shared<IntegerType>(256, IntegerType::Modifier::HASH)}),
FunctionType::Location::SHA256)),
make_shared<MagicVariableDeclaration>("ecrecover",
make_shared<FunctionType>(TypePointers({std::make_shared<IntegerType>(256, IntegerType::Modifier::HASH),
std::make_shared<IntegerType>(8, IntegerType::Modifier::HASH),
std::make_shared<IntegerType>(256, IntegerType::Modifier::HASH),
std::make_shared<IntegerType>(256, IntegerType::Modifier::HASH)}),
TypePointers({std::make_shared<IntegerType>(0, IntegerType::Modifier::ADDRESS)}),
FunctionType::Location::ECRECOVER)),
make_shared<MagicVariableDeclaration>("ripemd160",
make_shared<FunctionType>(TypePointers({std::make_shared<IntegerType>(256, IntegerType::Modifier::HASH)}),
TypePointers({std::make_shared<IntegerType>(160, IntegerType::Modifier::HASH)}),
FunctionType::Location::RIPEMD160))})
{
}
void GlobalContext::setCurrentContract(ContractDefinition const& _contract)
{
m_currentContract = &_contract;
}
vector<Declaration const*> GlobalContext::getDeclarations() const
{
vector<Declaration const*> declarations;
declarations.reserve(m_magicVariables.size() + 1);
for (ASTPointer<Declaration const> const& variable: m_magicVariables)
declarations.push_back(variable.get());
return declarations;
}
MagicVariableDeclaration const* GlobalContext::getCurrentThis() const
{
if (!m_thisPointer[m_currentContract])
m_thisPointer[m_currentContract] = make_shared<MagicVariableDeclaration>(
"this", make_shared<ContractType>(*m_currentContract));
return m_thisPointer[m_currentContract].get();
}
vector<MagicVariableDeclaration const*> GlobalContext::getMagicVariables() const
{
vector<MagicVariableDeclaration const*> declarations;
declarations.reserve(m_magicVariables.size() + 1);
for (ASTPointer<MagicVariableDeclaration const> const& variable: m_magicVariables)
declarations.push_back(variable.get());
declarations.push_back(getCurrentThis());
return declarations;
}
}
}
