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// Copyright (C) 2018 Sergey Morozov
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include "cppcheckrunner.h"
#include "cppchecktool.h"
#include <utils/hostosinfo.h>
#include <utils/qtcassert.h>
#include <coreplugin/messagemanager.h>
using namespace Utils;
namespace Cppcheck::Internal {
CppcheckRunner::CppcheckRunner(CppcheckTool &tool) : m_tool(tool)
{
if (HostOsInfo::hostOs() == OsTypeLinux) {
QtcProcess getConf;
getConf.setCommand({"getconf", {"ARG_MAX"}});
getConf.start();
getConf.waitForFinished(2000);
const QByteArray argMax = getConf.readAllRawStandardOutput().replace("\n", "");
m_maxArgumentsLength = std::max(argMax.toInt(), m_maxArgumentsLength);
}
m_process.setStdOutLineCallback([this](const QString &line) {
m_tool.parseOutputLine(line);
});
m_process.setStdErrLineCallback([this](const QString &line) {
m_tool.parseErrorLine(line);
});
connect(&m_process, &QtcProcess::started, &m_tool, &CppcheckTool::startParsing);
connect(&m_process, &QtcProcess::done, this, &CppcheckRunner::handleDone);
m_queueTimer.setSingleShot(true);
const int checkDelayInMs = 200;
m_queueTimer.setInterval(checkDelayInMs);
connect(&m_queueTimer, &QTimer::timeout,
this, &CppcheckRunner::checkQueued);
}
CppcheckRunner::~CppcheckRunner()
{
stop();
m_queueTimer.stop();
}
void CppcheckRunner::reconfigure(const FilePath &binary, const QString &arguments)
{
m_binary = binary;
m_arguments = arguments;
}
void CppcheckRunner::addToQueue(const FilePaths &files,
const QString &additionalArguments)
{
FilePaths &existing = m_queue[additionalArguments];
if (existing.isEmpty()) {
existing = files;
} else {
std::copy_if(files.cbegin(), files.cend(), std::back_inserter(existing),
[&existing](const FilePath &file) { return !existing.contains(file); });
}
if (m_process.isRunning()) {
stop(existing);
return;
}
m_queueTimer.start();
}
void CppcheckRunner::stop(const FilePaths &files)
{
if (!m_process.isRunning())
return;
if (files.isEmpty() || m_currentFiles == files)
m_process.stop();
}
void CppcheckRunner::removeFromQueue(const FilePaths &files)
{
if (m_queue.isEmpty())
return;
if (files.isEmpty()) {
m_queue.clear();
} else {
for (auto it = m_queue.begin(), end = m_queue.end(); it != end;) {
for (const FilePath &file : files)
it.value().removeOne(file);
it = !it.value().isEmpty() ? ++it : m_queue.erase(it);
}
}
}
const FilePaths &CppcheckRunner::currentFiles() const
{
return m_currentFiles;
}
QString CppcheckRunner::currentCommand() const
{
return m_process.commandLine().toUserOutput();
}
void CppcheckRunner::checkQueued()
{
if (m_queue.isEmpty() || !m_binary.isExecutableFile())
return;
FilePaths files = m_queue.begin().value();
QString arguments = m_arguments + ' ' + m_queue.begin().key();
m_currentFiles.clear();
int argumentsLength = arguments.length();
while (!files.isEmpty()) {
argumentsLength += files.first().toString().size() + 1; // +1 for separator
if (argumentsLength >= m_maxArgumentsLength)
break;
m_currentFiles.push_back(files.first());
arguments += ' ' + files.first().toString();
files.pop_front();
}
if (files.isEmpty())
m_queue.erase(m_queue.begin());
else
m_queue.begin().value() = files;
m_process.setCommand(CommandLine(m_binary, arguments, CommandLine::Raw));
m_process.start();
}
void CppcheckRunner::handleDone()
{
if (m_process.result() == ProcessResult::FinishedWithSuccess)
m_tool.finishParsing();
else
Core::MessageManager::writeSilently(m_process.exitMessage());
m_currentFiles.clear();
m_process.close();
if (!m_queue.isEmpty())
checkQueued();
}
} // Cppcheck::Internal
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