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387 lines
12 KiB
387 lines
12 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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/** @file CodeModel.cpp
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* @author Arkadiy Paronyan arkadiy@ethdev.com
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* @date 2014
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* Ethereum IDE client.
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*/
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#include <sstream>
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#include <memory>
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#include <QDebug>
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#include <QApplication>
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#include <QtQml>
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#include <libdevcore/Common.h>
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#include <libevmcore/SourceLocation.h>
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#include <libsolidity/AST.h>
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#include <libsolidity/Types.h>
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#include <libsolidity/ASTVisitor.h>
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#include <libsolidity/CompilerStack.h>
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#include <libsolidity/SourceReferenceFormatter.h>
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#include <libsolidity/InterfaceHandler.h>
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#include <libevmcore/Instruction.h>
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#include <libethcore/CommonJS.h>
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#include "QContractDefinition.h"
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#include "QFunctionDefinition.h"
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#include "QVariableDeclaration.h"
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#include "CodeHighlighter.h"
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#include "FileIo.h"
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#include "CodeModel.h"
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using namespace dev::mix;
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const std::set<std::string> c_predefinedContracts =
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{ "Config", "Coin", "CoinReg", "coin", "service", "owned", "mortal", "NameReg", "named", "std", "configUser" };
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namespace
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{
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using namespace dev::solidity;
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class CollectDeclarationsVisitor: public ASTConstVisitor
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{
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public:
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CollectDeclarationsVisitor(QHash<LocationPair, QString>* _functions, QHash<LocationPair, SolidityDeclaration>* _locals, QHash<unsigned, SolidityDeclaration>* _storage):
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m_functions(_functions), m_locals(_locals), m_storage(_storage), m_functionScope(false), m_storageSlot(0) {}
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private:
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LocationPair nodeLocation(ASTNode const& _node)
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{
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return LocationPair(_node.getLocation().start, _node.getLocation().end);
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}
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virtual bool visit(FunctionDefinition const& _node)
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{
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m_functions->insert(nodeLocation(_node), QString::fromStdString(_node.getName()));
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m_functionScope = true;
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return true;
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}
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virtual void endVisit(FunctionDefinition const&)
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{
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m_functionScope = false;
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}
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virtual bool visit(VariableDeclaration const& _node)
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{
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SolidityDeclaration decl;
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decl.type = CodeModel::nodeType(_node.getType().get());
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decl.name = QString::fromStdString(_node.getName());
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if (m_functionScope)
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m_locals->insert(nodeLocation(_node), decl);
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else
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m_storage->insert(m_storageSlot++, decl);
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return true;
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}
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private:
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QHash<LocationPair, QString>* m_functions;
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QHash<LocationPair, SolidityDeclaration>* m_locals;
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QHash<unsigned, SolidityDeclaration>* m_storage;
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bool m_functionScope;
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uint m_storageSlot;
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};
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}
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void BackgroundWorker::queueCodeChange(int _jobId)
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{
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m_model->runCompilationJob(_jobId);
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}
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CompiledContract::CompiledContract(const dev::solidity::CompilerStack& _compiler, QString const& _contractName, QString const& _source):
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QObject(nullptr),
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m_sourceHash(qHash(_source))
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{
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std::string name = _contractName.toStdString();
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auto const& contractDefinition = _compiler.getContractDefinition(name);
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m_contract.reset(new QContractDefinition(nullptr, &contractDefinition));
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QQmlEngine::setObjectOwnership(m_contract.get(), QQmlEngine::CppOwnership);
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m_contract->moveToThread(QApplication::instance()->thread());
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m_bytes = _compiler.getBytecode(_contractName.toStdString());
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m_assemblyItems = _compiler.getRuntimeAssemblyItems(name);
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m_constructorAssemblyItems = _compiler.getAssemblyItems(name);
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dev::solidity::InterfaceHandler interfaceHandler;
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m_contractInterface = QString::fromStdString(*interfaceHandler.getABIInterface(contractDefinition));
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if (m_contractInterface.isEmpty())
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m_contractInterface = "[]";
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if (contractDefinition.getLocation().sourceName.get())
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m_documentId = QString::fromStdString(*contractDefinition.getLocation().sourceName);
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CollectDeclarationsVisitor visitor(&m_functions, &m_locals, &m_storage);
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contractDefinition.accept(visitor);
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}
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QString CompiledContract::codeHex() const
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{
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return QString::fromStdString(toJS(m_bytes));
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}
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CodeModel::CodeModel():
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m_compiling(false),
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m_codeHighlighterSettings(new CodeHighlighterSettings()),
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m_backgroundWorker(this),
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m_backgroundJobId(0)
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{
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m_backgroundThread.start();
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m_backgroundWorker.moveToThread(&m_backgroundThread);
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connect(this, &CodeModel::scheduleCompilationJob, &m_backgroundWorker, &BackgroundWorker::queueCodeChange, Qt::QueuedConnection);
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qRegisterMetaType<CompiledContract*>("CompiledContract*");
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qRegisterMetaType<QContractDefinition*>("QContractDefinition*");
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qRegisterMetaType<QFunctionDefinition*>("QFunctionDefinition*");
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qRegisterMetaType<QVariableDeclaration*>("QVariableDeclaration*");
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qmlRegisterType<QFunctionDefinition>("org.ethereum.qml", 1, 0, "QFunctionDefinition");
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qmlRegisterType<QVariableDeclaration>("org.ethereum.qml", 1, 0, "QVariableDeclaration");
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}
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CodeModel::~CodeModel()
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{
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stop();
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disconnect(this);
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releaseContracts();
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}
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void CodeModel::stop()
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{
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///@todo: cancel bg job
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m_backgroundThread.exit();
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m_backgroundThread.wait();
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}
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void CodeModel::reset(QVariantMap const& _documents)
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{
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///@todo: cancel bg job
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Guard l(x_contractMap);
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releaseContracts();
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Guard pl(x_pendingContracts);
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m_pendingContracts.clear();
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for (QVariantMap::const_iterator d = _documents.cbegin(); d != _documents.cend(); ++d)
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m_pendingContracts[d.key()] = d.value().toString();
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// launch the background thread
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m_compiling = true;
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emit stateChanged();
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emit scheduleCompilationJob(++m_backgroundJobId);
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}
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void CodeModel::registerCodeChange(QString const& _documentId, QString const& _code)
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{
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CompiledContract* contract = contractByDocumentId(_documentId);
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if (contract != nullptr && contract->m_sourceHash == qHash(_code))
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{
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emit compilationComplete();
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return;
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}
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{
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Guard pl(x_pendingContracts);
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m_pendingContracts[_documentId] = _code;
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}
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// launch the background thread
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m_compiling = true;
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emit stateChanged();
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emit scheduleCompilationJob(++m_backgroundJobId);
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}
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QVariantMap CodeModel::contracts() const
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{
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QVariantMap result;
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Guard l(x_contractMap);
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for (ContractMap::const_iterator c = m_contractMap.cbegin(); c != m_contractMap.cend(); ++c)
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result.insert(c.key(), QVariant::fromValue(c.value()));
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return result;
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}
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CompiledContract* CodeModel::contractByDocumentId(QString _documentId) const
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{
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Guard l(x_contractMap);
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for (ContractMap::const_iterator c = m_contractMap.cbegin(); c != m_contractMap.cend(); ++c)
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if (c.value()->m_documentId == _documentId)
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return c.value();
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return nullptr;
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}
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CompiledContract const& CodeModel::contract(QString _name) const
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{
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Guard l(x_contractMap);
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CompiledContract* res = m_contractMap.value(_name);
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if (res == nullptr)
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BOOST_THROW_EXCEPTION(dev::Exception() << dev::errinfo_comment("Contract not found: " + _name.toStdString()));
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return *res;
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}
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void CodeModel::releaseContracts()
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{
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for (ContractMap::iterator c = m_contractMap.begin(); c != m_contractMap.end(); ++c)
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c.value()->deleteLater();
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m_contractMap.clear();
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}
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void CodeModel::runCompilationJob(int _jobId)
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{
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if (_jobId != m_backgroundJobId)
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return; //obsolete job
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ContractMap result;
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solidity::CompilerStack cs(true);
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try
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{
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cs.addSource("configUser", R"(contract configUser{function configAddr()constant returns(address a){ return 0xf025d81196b72fba60a1d4dddad12eeb8360d828;}})");
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{
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Guard l(x_pendingContracts);
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for (auto const& c: m_pendingContracts)
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cs.addSource(c.first.toStdString(), c.second.toStdString());
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}
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cs.compile(false);
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{
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Guard pl(x_pendingContracts);
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Guard l(x_contractMap);
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for (std::string n: cs.getContractNames())
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{
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if (c_predefinedContracts.count(n) != 0)
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continue;
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QString name = QString::fromStdString(n);
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QString sourceName = QString::fromStdString(*cs.getContractDefinition(n).getLocation().sourceName);
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auto sourceIter = m_pendingContracts.find(sourceName);
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QString source = sourceIter != m_pendingContracts.end() ? sourceIter->second : QString();
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CompiledContract* contract = new CompiledContract(cs, name, source);
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QQmlEngine::setObjectOwnership(contract, QQmlEngine::CppOwnership);
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result[name] = contract;
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CompiledContract* prevContract = nullptr;
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for (ContractMap::const_iterator c = m_contractMap.cbegin(); c != m_contractMap.cend(); ++c)
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if (c.value()->documentId() == contract->documentId())
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prevContract = c.value();
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if (prevContract != nullptr && prevContract->contractInterface() != result[name]->contractInterface())
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emit contractInterfaceChanged(name);
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if (prevContract == nullptr)
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emit newContractCompiled(name);
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else if (prevContract->contract()->name() != name)
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emit contractRenamed(contract->documentId(), prevContract->contract()->name(), name);
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}
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releaseContracts();
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m_contractMap.swap(result);
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emit codeChanged();
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emit compilationComplete();
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}
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}
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catch (dev::Exception const& _exception)
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{
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std::ostringstream error;
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solidity::SourceReferenceFormatter::printExceptionInformation(error, _exception, "Error", cs);
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SourceLocation const* location = boost::get_error_info<solidity::errinfo_sourceLocation>(_exception);
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QString message = QString::fromStdString(error.str());
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CompiledContract* contract = nullptr;
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if (location && location->sourceName.get() && (contract = contractByDocumentId(QString::fromStdString(*location->sourceName))))
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message = message.replace(QString::fromStdString(*location->sourceName), contract->contract()->name()); //substitute the location to match our contract names
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compilationError(message);
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}
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m_compiling = false;
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emit stateChanged();
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}
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bool CodeModel::hasContract() const
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{
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Guard l(x_contractMap);
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return m_contractMap.size() != 0;
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}
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dev::bytes const& CodeModel::getStdContractCode(const QString& _contractName, const QString& _url)
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{
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auto cached = m_compiledContracts.find(_contractName);
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if (cached != m_compiledContracts.end())
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return cached->second;
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FileIo fileIo;
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std::string source = fileIo.readFile(_url).toStdString();
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solidity::CompilerStack cs(false);
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cs.setSource(source);
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cs.compile(false);
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for (std::string const& name: cs.getContractNames())
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{
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dev::bytes code = cs.getBytecode(name);
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m_compiledContracts.insert(std::make_pair(QString::fromStdString(name), std::move(code)));
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}
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return m_compiledContracts.at(_contractName);
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}
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SolidityType CodeModel::nodeType(dev::solidity::Type const* _type)
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{
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SolidityType r { SolidityType::Type::UnsignedInteger, 32, false, false, QString::fromStdString(_type->toString()), std::vector<SolidityDeclaration>(), std::vector<QString>() };
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if (!_type)
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return r;
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r.dynamicSize = _type->isDynamicallySized();
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switch (_type->getCategory())
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{
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case Type::Category::Integer:
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{
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IntegerType const* it = dynamic_cast<IntegerType const*>(_type);
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r.size = it->getNumBits() / 8;
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r.type = it->isAddress() ? SolidityType::Type::Address : it->isSigned() ? SolidityType::Type::SignedInteger : SolidityType::Type::UnsignedInteger;
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}
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break;
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case Type::Category::Bool:
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r.type = SolidityType::Type::Bool;
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break;
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case Type::Category::FixedBytes:
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{
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FixedBytesType const* b = dynamic_cast<FixedBytesType const*>(_type);
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r.type = SolidityType::Type::Bytes;
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r.size = static_cast<unsigned>(b->getNumBytes());
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}
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case Type::Category::Contract:
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r.type = SolidityType::Type::Address;
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break;
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case Type::Category::Array:
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{
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ArrayType const* array = dynamic_cast<ArrayType const*>(_type);
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if (array->isByteArray())
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r.type = SolidityType::Type::Bytes;
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else
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r = nodeType(array->getBaseType().get());
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r.array = true;
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}
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break;
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case Type::Category::Enum:
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{
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r.type = SolidityType::Type::Enum;
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EnumType const* e = dynamic_cast<EnumType const*>(_type);
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for(auto const& enumValue: e->getEnumDefinition().getMembers())
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r.enumNames.push_back(QString::fromStdString(enumValue->getName()));
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}
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break;
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case Type::Category::Struct:
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{
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r.type = SolidityType::Type::Struct;
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StructType const* s = dynamic_cast<StructType const*>(_type);
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for(auto const& structMember: s->getMembers())
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r.members.push_back(SolidityDeclaration { QString::fromStdString(structMember.first), nodeType(structMember.second.get()) });
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}
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break;
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case Type::Category::Function:
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case Type::Category::IntegerConstant:
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case Type::Category::Magic:
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case Type::Category::Mapping:
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case Type::Category::Modifier:
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case Type::Category::Real:
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case Type::Category::TypeType:
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case Type::Category::Void:
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default:
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break;
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}
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return r;
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}
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