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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 <QDebug>
#include <QApplication>
#include <QtQml>
#include <libsolidity/CompilerStack.h>
#include <libsolidity/SourceReferenceFormatter.h>
#include <libsolidity/InterfaceHandler.h>
#include <libevmcore/Instruction.h>
#include "QContractDefinition.h"
#include "QFunctionDefinition.h"
#include "QVariableDeclaration.h"
#include "CodeHighlighter.h"
#include "FileIo.h"
#include "CodeModel.h"
using namespace dev::mix;
void BackgroundWorker::queueCodeChange(int _jobId, QString const& _content)
{
m_model->runCompilationJob(_jobId, _content);
}
CompilationResult::CompilationResult():
QObject(nullptr),
m_successful(false),
m_codeHash(qHash(QString())),
m_contract(new QContractDefinition()),
m_contractInterface("[]"),
m_codeHighlighter(new CodeHighlighter())
{}
CompilationResult::CompilationResult(const dev::solidity::CompilerStack& _compiler):
QObject(nullptr),
m_successful(true),
m_codeHash(qHash(QString()))
{
if (!_compiler.getContractNames().empty())
{
auto const& contractDefinition = _compiler.getContractDefinition(std::string());
m_contract.reset(new QContractDefinition(&contractDefinition));
m_bytes = _compiler.getBytecode();
m_assemblyCode = QString::fromStdString(dev::eth::disassemble(m_bytes));
dev::solidity::InterfaceHandler interfaceHandler;
m_contractInterface = QString::fromStdString(*interfaceHandler.getABIInterface(contractDefinition));
if (m_contractInterface.isEmpty())
m_contractInterface = "[]";
}
else
m_contract.reset(new QContractDefinition());
}
CompilationResult::CompilationResult(CompilationResult const& _prev, QString const& _compilerMessage):
QObject(nullptr),
m_successful(false),
m_codeHash(qHash(QString())),
m_contract(_prev.m_contract),
m_compilerMessage(_compilerMessage),
m_bytes(_prev.m_bytes),
m_assemblyCode(_prev.m_assemblyCode),
m_contractInterface(_prev.m_contractInterface),
m_codeHighlighter(_prev.m_codeHighlighter)
{}
CodeModel::CodeModel(QObject* _parent):
QObject(_parent),
m_compiling(false),
m_result(new CompilationResult()),
m_codeHighlighterSettings(new CodeHighlighterSettings()),
m_backgroundWorker(this),
m_backgroundJobId(0)
{
m_backgroundWorker.moveToThread(&m_backgroundThread);
connect(this, &CodeModel::scheduleCompilationJob, &m_backgroundWorker, &BackgroundWorker::queueCodeChange, Qt::QueuedConnection);
connect(this, &CodeModel::compilationCompleteInternal, this, &CodeModel::onCompilationComplete, Qt::QueuedConnection);
qRegisterMetaType<CompilationResult*>("CompilationResult*");
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");
m_backgroundThread.start();
}
CodeModel::~CodeModel()
{
stop();
disconnect(this);
}
void CodeModel::stop()
{
///@todo: cancel bg job
m_backgroundThread.exit();
m_backgroundThread.wait();
}
void CodeModel::registerCodeChange(QString const& _code)
{
// launch the background thread
uint hash = qHash(_code);
if (m_result->m_codeHash == hash)
return;
m_backgroundJobId++;
m_compiling = true;
emit stateChanged();
emit scheduleCompilationJob(m_backgroundJobId, _code);
}
void CodeModel::runCompilationJob(int _jobId, QString const& _code)
{
if (_jobId != m_backgroundJobId)
return; //obsolete job
solidity::CompilerStack cs(true);
std::unique_ptr<CompilationResult> result;
std::string source = _code.toStdString();
// run syntax highlighting first
// @todo combine this with compilation step
auto codeHighlighter = std::make_shared<CodeHighlighter>();
codeHighlighter->processSource(source);
cs.addSource("configUser", R"(contract configUser{function configAddr()constant returns(address a){ return 0xf025d81196b72fba60a1d4dddad12eeb8360d828;}})");
// run compilation
try
{
cs.addSource("", source);
cs.compile(false);
codeHighlighter->processAST(cs.getAST());
result.reset(new CompilationResult(cs));
qDebug() << QString(QApplication::tr("compilation succeeded"));
}
catch (dev::Exception const& _exception)
{
std::ostringstream error;
solidity::SourceReferenceFormatter::printExceptionInformation(error, _exception, "Error", cs);
result.reset(new CompilationResult(*m_result, QString::fromStdString(error.str())));
codeHighlighter->processError(_exception);
qDebug() << QString(QApplication::tr("compilation failed:") + " " + result->compilerMessage());
}
result->m_codeHighlighter = codeHighlighter;
result->m_codeHash = qHash(_code);
emit compilationCompleteInternal(result.release());
}
void CodeModel::onCompilationComplete(CompilationResult* _newResult)
{
m_compiling = false;
bool contractChanged = m_result->contractInterface() != _newResult->contractInterface();
m_result.reset(_newResult);
emit compilationComplete();
emit stateChanged();
if (m_result->successful())
{
emit codeChanged();
if (contractChanged)
emit contractInterfaceChanged();
}
}
bool CodeModel::hasContract() const
{
return m_result->successful();
}
void CodeModel::updateFormatting(QTextDocument* _document)
{
m_result->codeHighlighter()->updateFormatting(_document, *m_codeHighlighterSettings);
}
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);
}