revsic-cpp-obfuscator/sample/state_machine.cpp

#include "../obfuscator.hpp"

#include <iostream>

#define STATE(Name) struct Name {};
#define EVENT(Name) struct Name {};

STATE(Final);
EVENT(Trigger);

STATE(state1); STATE(state2); STATE(state3); STATE(state4); STATE(state5);
EVENT(event1); EVENT(event2); EVENT(event3); EVENT(event4); EVENT(event5);

void action() {
    std::cout << "Trigged" << std::endl;
}

int back = 0;

void dummy1() {
    back = back ^ 10 + (back << 2);
    std::cout << "dummy1" << std::endl;
}

void dummy2() {
    back = back % 10 + 20 - back & 6;
    std::cout << "dummy2" << std::endl;
}

int main() {
    using namespace obfs;
    using machine = StateMachine<
        Stage<state1, Next<event5 , state2, dummy1>,
                      Next<event1 , state3>>,
        Stage<state2, Next<event2 , state4>>,
        Stage<state3, Next<None   , state3>>,
        Stage<state4, Next<event4 , state1>,
                      Next<event3 , state5, dummy2>>,
        Stage<state5, Next<Trigger, Final, action>>>;

    auto next1 = machine::run(state1{}, event5{});
    auto next2 = machine::run(next1, event2{});
    auto next3 = machine::run(next2, event3{});
    auto next4 = machine::run(next3, Trigger{});

    return 0;
}