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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/>.
*/
/** @file CodeModel.cpp
* @author Arkadiy Paronyan arkadiy@ethdev.com
* @date 2014
* Ethereum IDE client.
*/
#include <sstream>
#include <memory>
#include <QDebug>
#include <QApplication>
#include <QtQml>
#include <libevmcore/SourceLocation.h>
#include <libsolidity/CompilerStack.h>
#include <libsolidity/SourceReferenceFormatter.h>
#include <libsolidity/InterfaceHandler.h>
#include <libevmcore/Instruction.h>
#include <libethcore/CommonJS.h>
#include "QContractDefinition.h"
#include "QFunctionDefinition.h"
#include "QVariableDeclaration.h"
#include "CodeHighlighter.h"
#include "FileIo.h"
#include "CodeModel.h"
using namespace dev::mix;
const std::set<std::string> c_predefinedContracts =
{ "Config", "Coin", "CoinReg", "coin", "service", "owned", "mortal", "NameReg", "named", "std", "configUser" };
void BackgroundWorker::queueCodeChange(int _jobId)
{
m_model->runCompilationJob(_jobId);
}
CompiledContract::CompiledContract(const dev::solidity::CompilerStack& _compiler, QString const& _contractName, QString const& _source):
QObject(nullptr),
m_sourceHash(qHash(_source))
{
auto const& contractDefinition = _compiler.getContractDefinition(_contractName.toStdString());
m_contract.reset(new QContractDefinition(&contractDefinition));
QQmlEngine::setObjectOwnership(m_contract.get(), QQmlEngine::CppOwnership);
m_bytes = _compiler.getBytecode(_contractName.toStdString());
dev::solidity::InterfaceHandler interfaceHandler;
m_contractInterface = QString::fromStdString(*interfaceHandler.getABIInterface(contractDefinition));
if (m_contractInterface.isEmpty())
m_contractInterface = "[]";
if (contractDefinition.getLocation().sourceName.get())
m_documentId = QString::fromStdString(*contractDefinition.getLocation().sourceName);
}
QString CompiledContract::codeHex() const
{
return QString::fromStdString(toJS(m_bytes));
}
CodeModel::CodeModel(QObject* _parent):
QObject(_parent),
m_compiling(false),
m_codeHighlighterSettings(new CodeHighlighterSettings()),
m_backgroundWorker(this),
m_backgroundJobId(0)
{
m_backgroundThread.start();
m_backgroundWorker.moveToThread(&m_backgroundThread);
connect(this, &CodeModel::scheduleCompilationJob, &m_backgroundWorker, &BackgroundWorker::queueCodeChange, Qt::QueuedConnection);
qRegisterMetaType<CompiledContract*>("CompiledContract*");
qRegisterMetaType<QContractDefinition*>("QContractDefinition*");
qRegisterMetaType<QFunctionDefinition*>("QFunctionDefinition*");
qRegisterMetaType<QVariableDeclaration*>("QVariableDeclaration*");
qmlRegisterType<QFunctionDefinition>("org.ethereum.qml", 1, 0, "QFunctionDefinition");
qmlRegisterType<QVariableDeclaration>("org.ethereum.qml", 1, 0, "QVariableDeclaration");
}
CodeModel::~CodeModel()
{
stop();
disconnect(this);
releaseContracts();
}
void CodeModel::stop()
{
///@todo: cancel bg job
m_backgroundThread.exit();
m_backgroundThread.wait();
}
void CodeModel::reset(QVariantMap const& _documents)
{
///@todo: cancel bg job
Guard l(x_contractMap);
releaseContracts();
Guard pl(x_pendingContracts);
m_pendingContracts.clear();
for (QVariantMap::const_iterator d = _documents.cbegin(); d != _documents.cend(); ++d)
m_pendingContracts[d.key()] = d.value().toString();
// launch the background thread
m_compiling = true;
emit stateChanged();
emit scheduleCompilationJob(++m_backgroundJobId);
}
void CodeModel::registerCodeChange(QString const& _documentId, QString const& _code)
{
{
Guard l(x_contractMap);
CompiledContract* contract = m_contractMap.value(_documentId);
if (contract != nullptr && contract->m_sourceHash == qHash(_code))
return;
Guard pl(x_pendingContracts);
m_pendingContracts[_documentId] = _code;
}
// launch the background thread
m_compiling = true;
emit stateChanged();
emit scheduleCompilationJob(++m_backgroundJobId);
}
QVariantMap CodeModel::contracts() const
{
QVariantMap result;
Guard l(x_contractMap);
for (ContractMap::const_iterator c = m_contractMap.cbegin(); c != m_contractMap.cend(); ++c)
result.insert(c.key(), QVariant::fromValue(c.value()));
return result;
}
CompiledContract* CodeModel::contractByDocumentId(QString _documentId) const
{
Guard l(x_contractMap);
for (ContractMap::const_iterator c = m_contractMap.cbegin(); c != m_contractMap.cend(); ++c)
if (c.value()->m_documentId == _documentId)
return c.value();
return nullptr;
}
CompiledContract const& CodeModel::contract(QString _name) const
{
Guard l(x_contractMap);
CompiledContract* res = m_contractMap.value(_name);
if (res == nullptr)
BOOST_THROW_EXCEPTION(dev::Exception() << dev::errinfo_comment("Contract not found: " + _name.toStdString()));
return *res;
}
void CodeModel::releaseContracts()
{
for (ContractMap::iterator c = m_contractMap.begin(); c != m_contractMap.end(); ++c)
c.value()->deleteLater();
m_contractMap.clear();
}
void CodeModel::runCompilationJob(int _jobId)
{
if (_jobId != m_backgroundJobId)
return; //obsolete job
ContractMap result;
solidity::CompilerStack cs(true);
try
{
cs.addSource("configUser", R"(contract configUser{function configAddr()constant returns(address a){ return 0xf025d81196b72fba60a1d4dddad12eeb8360d828;}})");
{
Guard l(x_pendingContracts);
for (auto const& c: m_pendingContracts)
cs.addSource(c.first.toStdString(), c.second.toStdString());
}
cs.compile(false);
{
Guard pl(x_pendingContracts);
Guard l(x_contractMap);
for (std::string n: cs.getContractNames())
{
if (c_predefinedContracts.count(n) != 0)
continue;
QString name = QString::fromStdString(n);
auto sourceIter = m_pendingContracts.find(name);
QString source = sourceIter != m_pendingContracts.end() ? sourceIter->second : QString();
CompiledContract* contract = new CompiledContract(cs, name, source);
QQmlEngine::setObjectOwnership(contract, QQmlEngine::CppOwnership);
result[name] = contract;
CompiledContract* prevContract = m_contractMap.value(name);
if (prevContract != nullptr && prevContract->contractInterface() != result[name]->contractInterface())
emit contractInterfaceChanged(name);
}
releaseContracts();
m_contractMap.swap(result);
emit codeChanged();
emit compilationComplete();
}
}
catch (dev::Exception const& _exception)
{
std::ostringstream error;
solidity::SourceReferenceFormatter::printExceptionInformation(error, _exception, "Error", cs);
SourceLocation const* location = boost::get_error_info<solidity::errinfo_sourceLocation>(_exception);
QString message = QString::fromStdString(error.str());
CompiledContract* contract = nullptr;
if (location && location->sourceName.get() && (contract = contractByDocumentId(QString::fromStdString(*location->sourceName))))
message = message.replace(QString::fromStdString(*location->sourceName), contract->contract()->name()); //substitute the location to match our contract names
compilationError(message);
}
m_compiling = false;
emit stateChanged();
}
bool CodeModel::hasContract() const
{
Guard l(x_contractMap);
return m_contractMap.size() != 0;
}
dev::bytes const& CodeModel::getStdContractCode(const QString& _contractName, const QString& _url)
{
auto cached = m_compiledContracts.find(_contractName);
if (cached != m_compiledContracts.end())
return cached->second;
FileIo fileIo;
std::string source = fileIo.readFile(_url).toStdString();
solidity::CompilerStack cs(false);
cs.setSource(source);
cs.compile(false);
for (std::string const& name: cs.getContractNames())
{
dev::bytes code = cs.getBytecode(name);
m_compiledContracts.insert(std::make_pair(QString::fromStdString(name), std::move(code)));
}
return m_compiledContracts.at(_contractName);
}