/**
* Print a getelementptr instruction.
*
* @param v the aggregate data structure to index
* @param i an iterator to the first type indexed by the instruction
* @param e an iterator specifying the upper bound on the types indexed by the
* instruction
*/
void JVMWriter::printGepInstruction(const Value *v,
gep_type_iterator i,
gep_type_iterator e) {
// load address
printCastInstruction(Instruction::IntToPtr, v, NULL, v->getType());
// calculate offset
for(; i != e; i++) {
unsigned int size = 0;
const Value *indexValue = i.getOperand();
if(const StructType *structTy = dyn_cast<StructType>(*i)) {
for(unsigned int f = 0,
fieldIndex = cast<ConstantInt>(indexValue)->getZExtValue();
f < fieldIndex; f++)
size = alignOffset(
size + targetData->getTypeAllocSize(
structTy->getContainedType(f)),
targetData->getABITypeAlignment(
structTy->getContainedType(f + 1)));
printPtrLoad(size);
printSimpleInstruction("iadd");
} else {
if(const SequentialType *seqTy = dyn_cast<SequentialType>(*i))
size = targetData->getTypeAllocSize(seqTy->getElementType());
else
size = targetData->getTypeAllocSize(*i);
if(const ConstantInt *c = dyn_cast<ConstantInt>(indexValue)) {
// constant optimisation
if(c->isNullValue()) {
// do nothing
} else if(c->getValue().isNegative()) {
printPtrLoad(c->getValue().abs().getZExtValue() * size);
printSimpleInstruction("isub");
} else {
printPtrLoad(c->getZExtValue() * size);
printSimpleInstruction("iadd");
}
} else {
printPtrLoad(size);
printCastInstruction(Instruction::IntToPtr, indexValue,
NULL, indexValue->getType());
printSimpleInstruction("imul");
printSimpleInstruction("iadd");
}
}
}
}
void TabPanel::updateLayout(void)
{
Pnt2f InsideInsetsTopLeft,InsideInsetsBottomRight;
getInsideInsetsBounds(InsideInsetsTopLeft,InsideInsetsBottomRight);
UInt16 AxisIndex(0);
if (getTabPlacement() == PLACEMENT_EAST || getTabPlacement() == PLACEMENT_WEST)
{
AxisIndex=1;
}
Real32 largestMinorAxis(0.0f);
Real32 cumMajorAxis(0.0f);
Pnt2f alignOffset(0.0f,0.0f);
Vec2f offset(0.0f,0.0f);
Vec2f TabBorderTopLeftWidth, TabBorderBottomRightWidth;
calculateMaxTabBorderLengths(TabBorderTopLeftWidth[0], TabBorderBottomRightWidth[0],TabBorderTopLeftWidth[1], TabBorderBottomRightWidth[1]);
// first layout all of the tabs
// naturally the alignments and such is necessary
// on the first sweep, get the maximum size and cumLength
const Real32 TabMajorAxisSpacing(5.0f);
Vec2f TabReqSize;
for (UInt32 i=0; i < getMFTabs()->size(); ++i)
{
TabReqSize = getTabs(i)->getRequestedSize() + Vec2f(getTabBorderInsets().x() + getTabBorderInsets().y(),
getTabBorderInsets().z() + getTabBorderInsets().w());
cumMajorAxis += TabReqSize[AxisIndex];
if (TabReqSize[(AxisIndex+1)%2] > largestMinorAxis)
{
largestMinorAxis = TabReqSize[(AxisIndex+1)%2];
}
}
cumMajorAxis += TabMajorAxisSpacing * 2.0f * getMFTabs()->size();
cumMajorAxis += static_cast<Real32>(getMFTabs()->size()) * (TabBorderTopLeftWidth[AxisIndex] + TabBorderBottomRightWidth[AxisIndex]);
largestMinorAxis += (TabBorderTopLeftWidth[(AxisIndex+1)%2] + TabBorderBottomRightWidth[(AxisIndex+1)%2]);
// set up the alignment and offset
Vec2f TabSize;
TabSize[AxisIndex] = cumMajorAxis;
TabSize[(AxisIndex+1)%2] = largestMinorAxis;
Vec2f Alignment;
Alignment[(AxisIndex+1)%2] = getTabAlignment();
switch(getTabPlacement())
{
case PLACEMENT_SOUTH:
case PLACEMENT_EAST:
Alignment[AxisIndex] = 1.0;
break;
case PLACEMENT_NORTH:
case PLACEMENT_WEST:
Alignment[AxisIndex] = 0.0;
break;
}
alignOffset = calculateAlignment(InsideInsetsTopLeft, (InsideInsetsBottomRight-InsideInsetsTopLeft),TabSize,Alignment.x(),Alignment.y());
offset = Vec2f(InsideInsetsTopLeft);
offset[(AxisIndex+1)%2] += TabBorderTopLeftWidth[(AxisIndex+1)%2];
// set sizes and positions of all tabs
Vec2f Size;
Pnt2f Pos;
for (UInt32 i=0; i < getMFTabs()->size(); ++i)
{
offset[AxisIndex] += TabBorderTopLeftWidth[AxisIndex];
Size = getTabs(i)->getRequestedSize() + Vec2f(getTabBorderInsets().x() + getTabBorderInsets().y(),
getTabBorderInsets().z() + getTabBorderInsets().w());
if(getTabs(i)->getSize() != Size)
{
getTabs(i)->setSize(Size);
}
Pos = alignOffset + offset;
if(getTabs(i)->getPosition() != Pos)
{
getTabs(i)->setPosition(Pos);
}
offset[AxisIndex] += getTabs(i)->getSize()[AxisIndex] + TabBorderBottomRightWidth[AxisIndex];
}
if((getSelectedIndex()+1) > getMFTabContents()->size())
{
setSelectedIndex(getMFTabContents()->size()-1);
}
if(getMFTabContents()->size() > 0 && getSelectedIndex() != -1)
{
Vec2f ContentBorderTopLeftWidth, ContentBorderBottomRightWidth;
calculateContentBorderLengths(getContentBorder(), ContentBorderTopLeftWidth[0], ContentBorderBottomRightWidth[0],ContentBorderTopLeftWidth[1], ContentBorderBottomRightWidth[1]);
// now set size and position of the active tab's contents
offset = Vec2f(InsideInsetsTopLeft);
if (getTabPlacement() == PLACEMENT_NORTH || getTabPlacement() == PLACEMENT_WEST)
{
offset[(AxisIndex+1)%2] += largestMinorAxis;
}
Size = InsideInsetsBottomRight-InsideInsetsTopLeft-(ContentBorderTopLeftWidth + ContentBorderBottomRightWidth);
Size[(AxisIndex+1)%2] -= TabSize[(AxisIndex+1)%2];
if(getTabContents(getSelectedIndex())->getSize() != Size)
{
getTabContents(getSelectedIndex())->setSize(Size);
}
Pos = Pnt2f(0.0f,0.0f) + offset + ContentBorderTopLeftWidth;
if(getTabContents(getSelectedIndex())->getPosition() != Pos)
{
getTabContents(getSelectedIndex())->setPosition(Pos);
}
}
}
inline uintptr_t memoryAlignOffset(const void * _ptr)
{
return alignOffset(_ptr, sizeof(T));
}
static void* ObjectGetDataPtr(Object* o) {
unsigned long long offset = (unsigned long long) &o->data[0];
unsigned long long dataLocation = alignOffset(offset, o->type->alignment);
return (void*) dataLocation;
}