status_t
ArrayValueNodeChild::ResolveLocation(ValueLoader* valueLoader,
ValueLocation*& _location)
{
// get the parent (== array) location
ValueLocation* parentLocation = fParent->Location();
if (parentLocation == NULL)
return B_BAD_VALUE;
// create an array index path
ArrayType* arrayType = fParent->GetArrayType();
int32 dimensionCount = arrayType->CountDimensions();
// add dummy indices first -- we'll replace them on our way back through
// our ancestors
ArrayIndexPath indexPath;
for (int32 i = 0; i < dimensionCount; i++) {
if (!indexPath.AddIndex(0))
return B_NO_MEMORY;
}
AbstractArrayValueNodeChild* child = this;
for (int32 i = dimensionCount - 1; i >= 0; i--) {
indexPath.SetIndexAt(i, child->ElementIndex());
child = dynamic_cast<AbstractArrayValueNodeChild*>(
child->ArrayParent()->NodeChild());
}
// resolve the element location
ValueLocation* location;
status_t error = arrayType->ResolveElementLocation(indexPath,
*parentLocation, location);
if (error != B_OK) {
TRACE_LOCALS("ArrayValueNodeChild::ResolveLocation(): "
"ResolveElementLocation() failed: %s\n", strerror(error));
return error;
}
_location = location;
return B_OK;
}
