/**
* Hooks the specified method and all call-through methods
*
* @param from
* @param to
*/
public void addMethodHook(HookMethod from, MethodIdItem to) {
mMethodHooksExist = true;
Queue<HookMethod> affectedMethods = new LinkedList<HookMethod>();
affectedMethods.add(from);
do {
HookMethod affected = affectedMethods.remove();
mHooks.put(affected, to);
Set<String> allSubclasses = getSubclassMap().get(affected.mClasspath);
if (allSubclasses == null) {
continue;
}
for (String subclass : allSubclasses) {
HookMethod possible = affected.clone();
possible.mClasspath = subclass;
MethodIdItem possibleMethodInfo = getMethodMap().get(possible);
if (possibleMethodInfo == null || possibleMethodInfo.isFallthrough()) {
affectedMethods.add(possible);
}
}
} while (!affectedMethods.isEmpty());
}
public HookMethod(MethodIdItem item) {
mClasspath = item.getContainingClass().getTypeDescriptor();
mName = item.getMethodName().getStringValue();
TypeListItem parameters = item.getPrototype().getParameters();
if (parameters != null) {
mArgs = parameters.getTypeListString("");
}
mReturn = item.getPrototype().getReturnType().getTypeDescriptor();
}
private void updateInvokeType(Instruction inst, MethodIdItem newMethod) {
int accessFlags = newMethod.getAccess();
int staticMask = AccessFlags.STATIC.getValue();
int privateMask = AccessFlags.PRIVATE.getValue();
int finalMask = AccessFlags.FINAL.getValue();
int constructorMask = AccessFlags.CONSTRUCTOR.getValue();
int directMask = privateMask | finalMask | constructorMask;
if ((accessFlags & staticMask) != 0) {
if (inst instanceof Instruction35c) {
inst.opcode = Opcode.INVOKE_STATIC;
} else if (inst instanceof Instruction3rc) {
inst.opcode = Opcode.INVOKE_STATIC_RANGE;
}
} else if ((accessFlags & directMask) != 0) {
if (inst instanceof Instruction35c) {
inst.opcode = Opcode.INVOKE_DIRECT;
} else if (inst instanceof Instruction3rc) {
inst.opcode = Opcode.INVOKE_DIRECT_RANGE;
}
} else {
if (inst instanceof Instruction35c) {
inst.opcode = Opcode.INVOKE_VIRTUAL;
} else if (inst instanceof Instruction3rc) {
inst.opcode = Opcode.INVOKE_VIRTUAL_RANGE;
}
}
}