/**
* Inserts hooks into a single code item.
*
* @param hooks
* @param classData
* @param code
*/
private void hookReferences(HookMap hooks, ClassDataItem classData, CodeItem code) {
if (code == null) {
return;
}
Instruction[] instructions = code.getInstructions();
for (int index = 0; index < instructions.length; index++) {
Instruction i = instructions[index];
if (i instanceof InstructionWithReference) {
InstructionWithReference inst = (InstructionWithReference) i;
HookItem oldTarget = HookItem.getInstance(inst.getReferencedItem());
if (!hooks.containsKey(oldTarget)) {
continue;
}
Item newTarget = hooks.get(oldTarget);
inst.referencedItem = newTarget;
if (newTarget instanceof MethodIdItem) {
// Need to update the invoke type if it changed
updateInvokeType(inst, (MethodIdItem) newTarget);
}
}
}
}
@Override
public Set<DexType> introducedTypes() {
InstructionWithReference i = (InstructionWithReference) instruction;
Set<DexType> types = new HashSet<DexType>();
types.add(new DexType((TypeIdItem) i.getReferencedItem()));
return types;
}