Utils: Modernize ShellCommand and SynchronousProcess

* Reorder members to avoid padding
* Use C++11 member initialization

Change-Id: Ib04c2d59dfcf54f5df7afddc6e21197f1095e829
Reviewed-by: Tobias Hunger <tobias.hunger@theqtcompany.com>

src/libs/utils/shellcommand.cpp

@@ -85,34 +85,25 @@ public:
     const QString m_defaultWorkingDirectory;
     const QProcessEnvironment m_environment;
     QVariant m_cookie;
-    int m_defaultTimeoutS;
-    unsigned m_flags;
-    QTextCodec *m_codec;
-    ProgressParser *m_progressParser;
-    bool m_progressiveOutput;
-    bool m_hadOutput;
-    bool m_aborted;
+    QTextCodec *m_codec = nullptr;
+    ProgressParser *m_progressParser = nullptr;
     QFutureWatcher<void> m_watcher;
-
     QList<Job> m_jobs;
 
-    bool m_lastExecSuccess;
-    int m_lastExecExitCode;
+    unsigned m_flags = 0;
+    int m_defaultTimeoutS = 10;
+    int m_lastExecExitCode = -1;
+
+    bool m_lastExecSuccess = false;
+    bool m_progressiveOutput = false;
+    bool m_hadOutput = false;
+    bool m_aborted = false;
 };
 
 ShellCommandPrivate::ShellCommandPrivate(const QString &defaultWorkingDirectory,
                                          const QProcessEnvironment &environment) :
     m_defaultWorkingDirectory(defaultWorkingDirectory),
-    m_environment(environment),
-    m_defaultTimeoutS(10),
-    m_flags(0),
-    m_codec(0),
-    m_progressParser(0),
-    m_progressiveOutput(false),
-    m_hadOutput(false),
-    m_aborted(false),
-    m_lastExecSuccess(false),
-    m_lastExecExitCode(-1)
+    m_environment(environment)
 { }
 
 ShellCommandPrivate::~ShellCommandPrivate()

src/libs/utils/synchronousprocess.cpp

@@ -153,24 +153,16 @@ SynchronousProcessResponse::Result ExitCodeInterpreter::interpretExitCode(int co
 
 // Data for one channel buffer (stderr/stdout)
 struct ChannelBuffer {
-    ChannelBuffer();
     void clearForRun();
     QString linesRead();
 
     QString data;
-    bool firstData;
-    bool bufferedSignalsEnabled;
-    bool firstBuffer;
-    int bufferPos;
+    int bufferPos = 0;
+    bool firstData = true;
+    bool bufferedSignalsEnabled = false;
+    bool firstBuffer = true;
 };
 
-ChannelBuffer::ChannelBuffer() :
-    firstData(true),
-    bufferedSignalsEnabled(false),
-    firstBuffer(true),
-    bufferPos(0)
-{
-}
 
 void ChannelBuffer::clearForRun()
 {
@@ -200,32 +192,26 @@ struct SynchronousProcessPrivate {
     void clearForRun();
 
     QTextCodec *m_codec;
-    ExitCodeInterpreter *m_exitCodeInterpreter;
+    ExitCodeInterpreter *m_exitCodeInterpreter = nullptr;
     QTextCodec::ConverterState m_stdOutState;
     QTextCodec::ConverterState m_stdErrState;
     TerminalControllingProcess m_process;
     QTimer m_timer;
     QEventLoop m_eventLoop;
     SynchronousProcessResponse m_result;
-    int m_hangTimerCount;
-    int m_maxHangTimerCount;
-    bool m_startFailure;
-    bool m_timeOutMessageBoxEnabled;
-    bool m_waitingForUser;
     QString m_binary;
-
     ChannelBuffer m_stdOut;
     ChannelBuffer m_stdErr;
+
+    int m_hangTimerCount = 0;
+    int m_maxHangTimerCount = defaultMaxHangTimerCount;
+    bool m_startFailure = false;
+    bool m_timeOutMessageBoxEnabled = false;
+    bool m_waitingForUser = false;
 };
 
 SynchronousProcessPrivate::SynchronousProcessPrivate() :
-    m_codec(QTextCodec::codecForLocale()),
-    m_exitCodeInterpreter(0),
-    m_hangTimerCount(0),
-    m_maxHangTimerCount(defaultMaxHangTimerCount),
-    m_startFailure(false),
-    m_timeOutMessageBoxEnabled(false),
-    m_waitingForUser(false)
+    m_codec(QTextCodec::codecForLocale())
 {
 }