debugger: remove "debug debugging helper" option

Only useful for the compiled dumpers, and I have not used it for a while.

src/plugins/debugger/debuggeractions.cpp

@@ -189,14 +189,6 @@ DebuggerSettings::DebuggerSettings(QSettings *settings)
     item->setValue(QString());
     insertItem(CustomDebuggingHelperLocation, item);
 
-    item = new SavedAction(this);
-    item->setSettingsKey(debugModeGroup, QLatin1String("DebugDebuggingHelpers"));
-    item->setText(tr("Debug Debugging Helpers"));
-    item->setCheckable(true);
-    item->setDefaultValue(false);
-    item->setValue(false);
-    insertItem(DebugDebuggingHelpers, item);
-
     item = new SavedAction(this);
     item->setSettingsKey(debugModeGroup, QLatin1String("UseCodeModel"));
     item->setText(tr("Use Code Model"));

src/plugins/debugger/debuggeractions.h

@@ -85,7 +85,6 @@ enum DebuggerActionCode
     UseDebuggingHelpers,
     UseCustomDebuggingHelperLocation,
     CustomDebuggingHelperLocation,
-    DebugDebuggingHelpers,
 
     UseCodeModel,
 

src/plugins/debugger/debuggerplugin.cpp

@@ -703,13 +703,6 @@ QWidget *DebuggingHelperOptionPage::createPage(QWidget *parent)
     m_group.insert(debuggerCore()->action(UseCodeModel),
         m_ui.checkBoxUseCodeModel);
 
-#ifdef QT_DEBUG
-    m_group.insert(debuggerCore()->action(DebugDebuggingHelpers),
-        m_ui.checkBoxDebugDebuggingHelpers);
-#else
-    m_ui.checkBoxDebugDebuggingHelpers->hide();
-#endif
-
 #ifndef QT_DEBUG
 #if 0
     cmd = am->registerAction(m_manager->m_dumpLogAction,
@@ -725,8 +718,7 @@ QWidget *DebuggingHelperOptionPage::createPage(QWidget *parent)
                 << ' ' << m_ui.debuggingHelperGroupBox->title()
                 << ' ' << m_ui.customLocationGroupBox->title()
                 << ' ' << m_ui.dumperLocationLabel->text()
-                << ' ' << m_ui.checkBoxUseCodeModel->text()
-                << ' ' << m_ui.checkBoxDebugDebuggingHelpers->text();
+                << ' ' << m_ui.checkBoxUseCodeModel->text();
         m_searchKeywords.remove(QLatin1Char('&'));
     }
     return w;

src/plugins/debugger/dumperoptionpage.ui

@@ -70,16 +70,6 @@
         </property>
        </widget>
       </item>
-      <item>
-       <widget class="QCheckBox" name="checkBoxDebugDebuggingHelpers">
-        <property name="toolTip">
-         <string notr="true">This is an internal tool to make debugging the debugging helper code easier. Using this action is in general not needed unless you want do debug Qt Creator itself.</string>
-        </property>
-        <property name="text">
-         <string>Debug debugging helper</string>
-        </property>
-       </widget>
-      </item>
      </layout>
     </widget>
    </item>

src/plugins/debugger/gdb/classicgdbengine.cpp

@@ -586,27 +586,12 @@ void GdbEngine::updateAllClassic()
     updateLocals();
 }
 
-void GdbEngine::setDebugDebuggingHelpersClassic(const QVariant &on)
-{
-    PRECONDITION;
-    if (on.toBool()) {
-        showMessage(_("SWITCHING ON DUMPER DEBUGGING"));
-        postCommand("set unwindonsignal off");
-        //FIXME BP: breakByFunction(_("qDumpObjectData440"));
-        //updateLocals();
-    } else {
-        showMessage(_("SWITCHING OFF DUMPER DEBUGGING"));
-        postCommand("set unwindonsignal on");
-    }
-}
-
 void GdbEngine::setDebuggingHelperStateClassic(DebuggingHelperState s)
 {
     PRECONDITION;
     m_debuggingHelperState = s;
 }
 
-
 void GdbEngine::handleStackListArgumentsClassic(const GdbResponse &response)
 {
     PRECONDITION;

src/plugins/debugger/gdb/gdbengine.cpp

@@ -1769,9 +1769,6 @@ void GdbEngine::setupEngine()
         connect(debuggerCore()->action(UseDebuggingHelpers),
             SIGNAL(valueChanged(QVariant)),
             SLOT(setUseDebuggingHelpers(QVariant)));
-        connect(debuggerCore()->action(DebugDebuggingHelpers),
-            SIGNAL(valueChanged(QVariant)),
-            SLOT(setDebugDebuggingHelpersClassic(QVariant)));
     }
 
     QTC_ASSERT(state() == EngineSetupRequested, /**/);
@@ -3338,10 +3335,6 @@ void GdbEngine::setToolTipExpression(const QPoint &mousePos,
         return;
     }
 
-    // Minimize interference.
-    if (debuggerCore()->boolSetting(DebugDebuggingHelpers))
-        return;
-
     m_toolTipPos = mousePos;
     int line, column;
     QString exp = cppExpressionAt(editor, cursorPos, &line, &column);
@@ -3459,19 +3452,15 @@ bool GdbEngine::hasDebuggingHelperForType(const QByteArray &type) const
         return false;
 
     if (m_gdbAdapter->dumperHandling() == AbstractGdbAdapter::DumperNotAvailable) {
-        // "call" is not possible in gdb when looking at core files
+        // Inferior calls are not possible in gdb when looking at core files.
         return type == "QString" || type.endsWith("::QString")
             || type == "QStringList" || type.endsWith("::QStringList");
     }
 
-    if (debuggerCore()->boolSetting(DebugDebuggingHelpers)
-            && stackHandler()->isDebuggingDebuggingHelpers())
-        return false;
-
     if (m_debuggingHelperState != DebuggingHelperAvailable)
         return false;
 
-    // simple types
+    // Simple types.
     return m_dumperHelper.type(type) != QtDumperHelper::UnknownType;
 }
 

src/plugins/debugger/gdb/gdbengine.h

@@ -516,7 +516,6 @@ private: ////////// View & Data Stuff //////////
     void setDebuggingHelperStateClassic(DebuggingHelperState);
     void tryLoadDebuggingHelpersClassic();
     void tryQueryDebuggingHelpersClassic();
-    Q_SLOT void setDebugDebuggingHelpersClassic(const QVariant &on);
     Q_SLOT void setUseDebuggingHelpers(const QVariant &on);
 
     DebuggingHelperState m_debuggingHelperState;