mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
103 lines
4.6 KiB
C++
103 lines
4.6 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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* @author Gav Wood <g@ethdev.com>
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* @date 2014
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* Container of the (implicit and explicit) global objects.
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*/
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#include <memory>
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#include <libsolidity/analysis/GlobalContext.h>
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#include <libsolidity/ast/AST.h>
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#include <libsolidity/ast/Types.h>
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using namespace std;
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namespace dev
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{
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namespace solidity
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{
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GlobalContext::GlobalContext():
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m_magicVariables(vector<shared_ptr<MagicVariableDeclaration const>>{make_shared<MagicVariableDeclaration>("block", make_shared<MagicType>(MagicType::Kind::Block)),
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make_shared<MagicVariableDeclaration>("msg", make_shared<MagicType>(MagicType::Kind::Message)),
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make_shared<MagicVariableDeclaration>("tx", make_shared<MagicType>(MagicType::Kind::Transaction)),
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make_shared<MagicVariableDeclaration>("now", make_shared<IntegerType>(256)),
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make_shared<MagicVariableDeclaration>("suicide",
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make_shared<FunctionType>(strings{"address"}, strings{}, FunctionType::Location::Selfdestruct)),
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make_shared<MagicVariableDeclaration>("selfdestruct",
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make_shared<FunctionType>(strings{"address"}, strings{}, FunctionType::Location::Selfdestruct)),
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make_shared<MagicVariableDeclaration>("addmod",
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make_shared<FunctionType>(strings{"uint256", "uint256", "uint256"}, strings{"uint256"}, FunctionType::Location::AddMod)),
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make_shared<MagicVariableDeclaration>("mulmod",
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make_shared<FunctionType>(strings{"uint256", "uint256", "uint256"}, strings{"uint256"}, FunctionType::Location::MulMod)),
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make_shared<MagicVariableDeclaration>("sha3",
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make_shared<FunctionType>(strings(), strings{"bytes32"}, FunctionType::Location::SHA3, true)),
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make_shared<MagicVariableDeclaration>("log0",
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make_shared<FunctionType>(strings{"bytes32"}, strings{}, FunctionType::Location::Log0)),
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make_shared<MagicVariableDeclaration>("log1",
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make_shared<FunctionType>(strings{"bytes32", "bytes32"}, strings{}, FunctionType::Location::Log1)),
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make_shared<MagicVariableDeclaration>("log2",
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make_shared<FunctionType>(strings{"bytes32", "bytes32", "bytes32"}, strings{}, FunctionType::Location::Log2)),
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make_shared<MagicVariableDeclaration>("log3",
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make_shared<FunctionType>(strings{"bytes32", "bytes32", "bytes32", "bytes32"}, strings{}, FunctionType::Location::Log3)),
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make_shared<MagicVariableDeclaration>("log4",
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make_shared<FunctionType>(strings{"bytes32", "bytes32", "bytes32", "bytes32", "bytes32"}, strings{}, FunctionType::Location::Log4)),
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make_shared<MagicVariableDeclaration>("sha256",
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make_shared<FunctionType>(strings(), strings{"bytes32"}, FunctionType::Location::SHA256, true)),
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make_shared<MagicVariableDeclaration>("ecrecover",
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make_shared<FunctionType>(strings{"bytes32", "uint8", "bytes32", "bytes32"}, strings{"address"}, FunctionType::Location::ECRecover)),
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make_shared<MagicVariableDeclaration>("ripemd160",
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make_shared<FunctionType>(strings(), strings{"bytes20"}, FunctionType::Location::RIPEMD160, true))})
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{
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}
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void GlobalContext::setCurrentContract(ContractDefinition const& _contract)
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{
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m_currentContract = &_contract;
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}
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vector<Declaration const*> GlobalContext::declarations() const
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{
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vector<Declaration const*> declarations;
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declarations.reserve(m_magicVariables.size());
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for (ASTPointer<Declaration const> const& variable: m_magicVariables)
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declarations.push_back(variable.get());
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return declarations;
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}
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MagicVariableDeclaration const* GlobalContext::currentThis() const
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{
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if (!m_thisPointer[m_currentContract])
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m_thisPointer[m_currentContract] = make_shared<MagicVariableDeclaration>(
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"this", make_shared<ContractType>(*m_currentContract));
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return m_thisPointer[m_currentContract].get();
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}
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MagicVariableDeclaration const* GlobalContext::currentSuper() const
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{
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if (!m_superPointer[m_currentContract])
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m_superPointer[m_currentContract] = make_shared<MagicVariableDeclaration>(
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"super", make_shared<ContractType>(*m_currentContract, true));
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return m_superPointer[m_currentContract].get();
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}
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}
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}
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