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update: class member function pointer demo

legacy
Dnomd343 2 years ago
parent
commit
1eedae96bd
  1. 80
      src/fast_cal.cc

80
src/fast_cal.cc

@ -17,9 +17,6 @@ std::queue<fast_cal_t*> cache;
std::unordered_map<uint64_t, fast_cal_t> cases;
void add_global_demo(uint64_t code) {
std::cout << RawCode(code).dump_case() << std::endl;
}
class FastCal;
class GlobalCal;
@ -27,78 +24,63 @@ class GlobalCal;
template<typename T>
class CoreDemo {
public:
int code{0};
typedef void (T::*release_t)(uint64_t);
// void next(release_t release_func) {
// release_func(1);
// release_func(2);
// release_func(3);
// ++code;
// }
void next(T *f, release_t release_func) {
(f->*release_func)(1);
// release_func(2);
// release_func(3);
++code;
void next(uint64_t code, T *f, release_t release_func) {
std::cout << "Core get code = " << code << std::endl;
std::cout << "Core callback first time" << std::endl;
(f->*release_func)(++code);
std::cout << "Core callback second time" << std::endl;
(f->*release_func)(++code);
std::cout << "Core function exit" << std::endl;
}
};
class FastCal {
public:
int dat;
uint64_t data;
void add(uint64_t code) {
std::cout << RawCode(code).dump_case() << std::endl;
++dat;
explicit FastCal(uint64_t dat) : data(dat) {}
void callback(uint64_t code) {
std::cout << "FastCal get callback " << code << std::endl;
data = code;
std::cout << "FastCal set data " << data << std::endl;
}
void run() {
auto cd = CoreDemo<FastCal>();
// cd.next(add_global_demo);
// cd.next(this->*add);
cd.next(this, &FastCal::add);
std::cout << "FastCal data = " << data << std::endl;
++dat;
cd.next(data, this, &FastCal::callback);
}
};
class GlobalCal {
public:
int dat;
uint64_t data;
explicit GlobalCal(uint64_t dat) : data(dat) {}
void add(uint64_t code) {
std::cout << RawCode(code).dump_case() << std::endl;
++dat;
void callback(uint64_t code) {
std::cout << "GlobalCal get callback " << code << std::endl;
data = code;
std::cout << "GlobalCal set data " << data << std::endl;
}
void run() {
auto cd = CoreDemo<GlobalCal>();
cd.next(this, &GlobalCal::add);
std::cout << "GlobalCal data = " << data << std::endl;
++dat;
cd.next(data, this, &GlobalCal::callback);
}
};
//void (FastCal::*ptrStaticFun)(uint64_t) = &FastCal::add;
//release_t ptrFun = &FastCal::add;
//void demo() {
// auto f = new FastCal();
// (f->*ptrFun)(1);
//}
void add_new_case(uint64_t code, uint64_t mask) {
@ -129,12 +111,18 @@ void add_new_case(uint64_t code, uint64_t mask) {
uint32_t fast_cal(uint64_t code) {
auto f = FastCal();
f.run();
auto f1 = FastCal(1000);
auto f2 = FastCal(2000);
auto g = GlobalCal(3000);
auto g = GlobalCal();
f2.run();
f1.run();
f1.run();
g.run();
// auto g = GlobalCal();
// g.run();
return 0;

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