File indexing completed on 2024-05-12 04:37:36

 /*
     SPDX-FileCopyrightText: 2009 Niko Sams <niko.sams@gmail.com>
 
     SPDX-License-Identifier: LGPL-2.0-or-later
 */
 
 #include "ivariablecontroller.h"
 
 #include "idebugsession.h"
 #include "../../interfaces/icore.h"
 #include "../../interfaces/idebugcontroller.h"
 #include "../variable/variablecollection.h"
 #include <debug.h>
 #include "iframestackmodel.h"
 
 
 namespace KDevelop {
 
 class IVariableControllerPrivate
 {
 public:
     QFlags<IVariableController::UpdateType> autoUpdate;
     int activeThread = -1;
     int activeFrame = -1;
 };
 
 IVariableController::IVariableController(IDebugSession* parent)
     : QObject(parent)
     , d_ptr(new IVariableControllerPrivate)
 {
     connect(parent, &IDebugSession::stateChanged,
             this, &IVariableController::stateChanged);
 }
 
 IVariableController::~IVariableController() = default;
 
 VariableCollection* IVariableController::variableCollection()
 {
     if (!ICore::self()) return nullptr;
     return ICore::self()->debugController()->variableCollection();
 }
 
 IDebugSession* IVariableController::session() const
 {
     return static_cast<IDebugSession*>(parent());
 }
 
 void IVariableController::stateChanged(IDebugSession::DebuggerState state)
 {
     Q_D(IVariableController);
 
     if (!ICore::self() || ICore::self()->shuttingDown()) {
         return;
     }
 
     if (state == IDebugSession::ActiveState) {
         //variables are now outdated, update them
         d->activeThread = -1;
         d->activeFrame = -1;
     } else if (state == IDebugSession::EndedState || state == IDebugSession::NotStartedState) {
         // Remove all locals.
         const auto locals = variableCollection()->allLocals();
         for (Locals* l : locals) {
             l->deleteChildren();
             l->setHasMore(false);
         }
 
         for (int i=0; i < variableCollection()->watches()->childCount(); ++i) {
             auto *var = qobject_cast<Variable*>(variableCollection()->watches()->child(i));
             if (var) {
                 var->setInScope(false);
             }
         }
     }
 }
 
 void IVariableController::updateIfFrameOrThreadChanged()
 {
     Q_D(IVariableController);
 
     IFrameStackModel *sm = session()->frameStackModel();
     if (sm->currentThread() != d->activeThread || sm->currentFrame() != d->activeFrame) {
         variableCollection()->root()->resetChanged();
         update();
     }
 }
 
 void IVariableController::handleEvent(IDebugSession::event_t event)
 {
     Q_D(IVariableController);
 
     if (!variableCollection()) return;
 
     switch (event) {
     case IDebugSession::thread_or_frame_changed:
         qCDebug(DEBUGGER) << d->autoUpdate;
         if (!(d->autoUpdate & UpdateLocals)) {
             const auto locals = variableCollection()->allLocals();
             for (Locals* l : locals) {
                 if (!l->isExpanded() && !l->childCount()) {
                     l->setHasMore(true);
                 }
             }
         }
         if (d->autoUpdate != UpdateNone) {
             updateIfFrameOrThreadChanged();
         }
 
         // update our cache of active thread/frame regardless of d->autoUpdate
         // to keep them synced when user currently hides the variable list
         d->activeThread = session()->frameStackModel()->currentThread();
         d->activeFrame = session()->frameStackModel()->currentFrame();
         break;
 
     default:
         break;
     }
 }
 
 void IVariableController::setAutoUpdate(QFlags<UpdateType> autoUpdate)
 {
     Q_D(IVariableController);
 
     IDebugSession::DebuggerState state = session()->state();
     d->autoUpdate = autoUpdate;
     qCDebug(DEBUGGER) << d->autoUpdate;
     if (d->autoUpdate != UpdateNone && state == IDebugSession::PausedState) {
         update();
     }
 }
 
 QFlags<IVariableController::UpdateType> IVariableController::autoUpdate()
 {
     Q_D(IVariableController);
 
     return d->autoUpdate;
 }
 
 }
 
 #include "moc_ivariablecontroller.cpp"