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101 lines
4.1 KiB
101 lines
4.1 KiB
/*
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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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* @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/GlobalContext.h>
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#include <libsolidity/AST.h>
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#include <libsolidity/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{make_shared<MagicVariableDeclaration>("block", make_shared<MagicType>(MagicType::Kind::BLOCK)),
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make_shared<MagicVariableDeclaration>("msg", make_shared<MagicType>(MagicType::Kind::MSG)),
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make_shared<MagicVariableDeclaration>("tx", make_shared<MagicType>(MagicType::Kind::TX)),
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make_shared<MagicVariableDeclaration>("suicide",
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make_shared<FunctionType>(TypePointers({std::make_shared<IntegerType>(0,
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IntegerType::Modifier::ADDRESS)}),
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TypePointers(),
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FunctionType::Location::SUICIDE)),
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make_shared<MagicVariableDeclaration>("sha3",
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make_shared<FunctionType>(TypePointers({std::make_shared<IntegerType>(256, IntegerType::Modifier::HASH)}),
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TypePointers({std::make_shared<IntegerType>(256, IntegerType::Modifier::HASH)}),
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FunctionType::Location::SHA3)),
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make_shared<MagicVariableDeclaration>("sha256",
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make_shared<FunctionType>(TypePointers({std::make_shared<IntegerType>(256, IntegerType::Modifier::HASH)}),
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TypePointers({std::make_shared<IntegerType>(256, IntegerType::Modifier::HASH)}),
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FunctionType::Location::SHA256)),
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make_shared<MagicVariableDeclaration>("ecrecover",
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make_shared<FunctionType>(TypePointers({std::make_shared<IntegerType>(256, IntegerType::Modifier::HASH),
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std::make_shared<IntegerType>(8, IntegerType::Modifier::HASH),
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std::make_shared<IntegerType>(256, IntegerType::Modifier::HASH),
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std::make_shared<IntegerType>(256, IntegerType::Modifier::HASH)}),
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TypePointers({std::make_shared<IntegerType>(0, IntegerType::Modifier::ADDRESS)}),
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FunctionType::Location::ECRECOVER)),
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make_shared<MagicVariableDeclaration>("ripemd160",
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make_shared<FunctionType>(TypePointers({std::make_shared<IntegerType>(256, IntegerType::Modifier::HASH)}),
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TypePointers({std::make_shared<IntegerType>(160, IntegerType::Modifier::HASH)}),
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FunctionType::Location::RIPEMD160))}
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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*> GlobalContext::getDeclarations() const
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{
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vector<Declaration*> declarations;
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declarations.reserve(m_magicVariables.size() + 1);
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for (ASTPointer<Declaration> const& variable: m_magicVariables)
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declarations.push_back(variable.get());
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declarations.push_back(getCurrentThis());
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return declarations;
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}
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MagicVariableDeclaration*GlobalContext::getCurrentThis() 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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vector<MagicVariableDeclaration const*> GlobalContext::getMagicVariables() const
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{
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vector<MagicVariableDeclaration const*> declarations;
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declarations.reserve(m_magicVariables.size() + 1);
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for (ASTPointer<MagicVariableDeclaration const> const& variable: m_magicVariables)
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declarations.push_back(variable.get());
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declarations.push_back(getCurrentThis());
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return declarations;
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}
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}
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}
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