bool AggressiveDCEPass::IsDead(Instruction* inst) {
  if (IsLive(inst)) return false;
  if ((inst->IsBranch() || inst->opcode() == SpvOpUnreachable) &&
      !IsStructuredHeader(context()->get_instr_block(inst), nullptr, nullptr,
                          nullptr))
    return false;
  return true;
}
Beispiel #2
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void Object::Retain() const {
    pthreadpp::mutex_guard guard(m_lock);
    m_referenceCount++;
    if (IsLive() && m_referenceCount==2) {
        // Someone referenced us from the native code - switch to
        //  global reference.
        m_object=DerefWeakReference(m_weakReference);
        DEBUG_LOG("Object(%p): switched to strong reference %p",this,m_object);
    }
}
Beispiel #3
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void wxSplitterWindow::OnMouseCaptureLost(wxMouseCaptureLostEvent& WXUNUSED(event))
{
    if (m_dragMode != wxSPLIT_DRAG_DRAGGING)
        return;

    m_dragMode = wxSPLIT_DRAG_NONE;

    SetCursor(* wxSTANDARD_CURSOR);

    // Erase old tracker
    if ( !IsLive(this) )
    {
        DrawSashTracker(m_oldX, m_oldY);
    }
}
Beispiel #4
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void Object::Release() const {
    {
        pthreadpp::mutex_guard guard(m_lock);
        m_referenceCount--;
        if (IsLive() && m_referenceCount==1) {
            // Last reference from native code has gone, the only reference
            //  left is from the java class - switch to weak reference.
            DEBUG_LOG("Object(%p): switched %p to weak reference...",this,m_object);
            jni::GetEnv()->DeleteGlobalRef(m_object);
            m_object=0;
            return;
        }
        if (m_referenceCount>0) {
            // There are references, do nothing.
            return;
        }
    }
    // No references left - delete self.
    delete this;
}
Beispiel #5
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void wxSplitterWindow::OnMouseEvent(wxMouseEvent& event)
{
    int x = (int)event.GetX(),
        y = (int)event.GetY();

    if ( GetWindowStyle() & wxSP_NOSASH )
    {
        event.Skip();
        return;
    }

    bool isLive = IsLive(this);

    if (event.LeftDown())
    {
        if ( SashHitTest(x, y) )
        {
            // Start the drag now
            m_dragMode = wxSPLIT_DRAG_DRAGGING;

            // Capture mouse and set the cursor
            CaptureMouse();
            SetResizeCursor();

            if ( !isLive )
            {
                // remember the initial sash position and draw the initial
                // shadow sash
                m_sashPositionCurrent = m_sashPosition;

                m_oldX = (m_splitMode == wxSPLIT_VERTICAL ? m_sashPositionCurrent : x);
                m_oldY = (m_splitMode != wxSPLIT_VERTICAL ? m_sashPositionCurrent : y);
                DrawSashTracker(m_oldX, m_oldY);
            }

            m_ptStart = wxPoint(x,y);
            m_sashStart = m_sashPosition;
            return;
        }
    }
    else if (event.LeftUp() && m_dragMode == wxSPLIT_DRAG_DRAGGING)
    {
        // We can stop dragging now and see what we've got.
        m_dragMode = wxSPLIT_DRAG_NONE;

        // Release mouse and unset the cursor
        ReleaseMouse();
        SetCursor(* wxSTANDARD_CURSOR);

        // exit if unsplit after doubleclick
        if ( !IsSplit() )
        {
            return;
        }

        // Erase old tracker
        if ( !isLive )
        {
            DrawSashTracker(m_oldX, m_oldY);
        }

        // the position of the click doesn't exactly correspond to
        // m_sashPosition, rather it changes it by the distance by which the
        // mouse has moved
        int diff = m_splitMode == wxSPLIT_VERTICAL ? x - m_ptStart.x : y - m_ptStart.y;

        int posSashNew = OnSashPositionChanging(m_sashStart + diff);
        if ( posSashNew == -1 )
        {
            // change not allowed
            return;
        }

        if ( m_permitUnsplitAlways || m_minimumPaneSize == 0 )
        {
            // Deal with possible unsplit scenarios
            if ( posSashNew == 0 )
            {
                // We remove the first window from the view
                wxWindow *removedWindow = m_windowOne;
                m_windowOne = m_windowTwo;
                m_windowTwo = NULL;
                OnUnsplit(removedWindow);
                wxSplitterEvent eventUnsplit(wxEVT_SPLITTER_UNSPLIT, this);
                eventUnsplit.m_data.win = removedWindow;
                (void)DoSendEvent(eventUnsplit);
                SetSashPositionAndNotify(0);
            }
            else if ( posSashNew == GetWindowSize() )
            {
                // We remove the second window from the view
                wxWindow *removedWindow = m_windowTwo;
                m_windowTwo = NULL;
                OnUnsplit(removedWindow);
                wxSplitterEvent eventUnsplit(wxEVT_SPLITTER_UNSPLIT, this);
                eventUnsplit.m_data.win = removedWindow;
                (void)DoSendEvent(eventUnsplit);
                SetSashPositionAndNotify(0);
            }
            else
            {
                SetSashPositionAndNotify(posSashNew);
            }
        }
        else
        {
            SetSashPositionAndNotify(posSashNew);
        }

        SizeWindows();
    }  // left up && dragging
    else if ((event.Moving() || event.Leaving() || event.Entering()) && (m_dragMode == wxSPLIT_DRAG_NONE))
    {
        if ( event.Leaving() || !SashHitTest(x, y) )
            OnLeaveSash();
        else
            OnEnterSash();
    }
    else if (event.Dragging() && (m_dragMode == wxSPLIT_DRAG_DRAGGING))
    {
        int diff = m_splitMode == wxSPLIT_VERTICAL ? x - m_ptStart.x : y - m_ptStart.y;

        int posSashNew = OnSashPositionChanging(m_sashStart + diff);
        if ( posSashNew == -1 )
        {
            // change not allowed
            return;
        }

        if ( !isLive )
        {
            if ( posSashNew == m_sashPositionCurrent )
                return;

            m_sashPositionCurrent = posSashNew;

            // Erase old tracker
            DrawSashTracker(m_oldX, m_oldY);

            m_oldX = (m_splitMode == wxSPLIT_VERTICAL ? m_sashPositionCurrent : x);
            m_oldY = (m_splitMode != wxSPLIT_VERTICAL ? m_sashPositionCurrent : y);

#ifdef __WXMSW__
            // As we captured the mouse, we may get the mouse events from outside
            // our window - for example, negative values in x, y. This has a weird
            // consequence under MSW where we use unsigned values sometimes and
            // signed ones other times: the coordinates turn as big positive
            // numbers and so the sash is drawn on the *right* side of the window
            // instead of the left (or bottom instead of top). Correct this.
            if ( (short)m_oldX < 0 )
                m_oldX = 0;
            if ( (short)m_oldY < 0 )
                m_oldY = 0;
#endif // __WXMSW__

            // Draw new one
            DrawSashTracker(m_oldX, m_oldY);
        }
        else
        {
            if ( posSashNew == m_sashPosition )
                return;

            DoSetSashPosition(posSashNew);

            // in live mode, the new position is the actual sash position, clear requested position!
            m_requestedSashPosition = INT_MAX;
            m_needUpdating = true;
        }
    }
    else if ( event.LeftDClick() && m_windowTwo )
    {
        OnDoubleClickSash(x, y);
    }
    else
    {
        event.Skip();
    }
}