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Proper singleton implementation

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This commit is contained in:
Victor Olin 2023-03-23 12:49:47 +01:00
parent cb0c3717fe
commit 501f319834
5 changed files with 138 additions and 145 deletions
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28
src/GC/tests/extern_lib.cpp
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@ -3,18 +3,18 @@
#include "heap.hpp"
GC::Heap *singleton_test();
void init_gc(GC::Heap *heap);
void frame_test(GC::Heap *heap);
GC::Heap& singleton_test();
void init_gc(GC::Heap& heap);
void frame_test(GC::Heap& heap);
int main() {
std::cout << "in main" << std::endl;
auto heap = singleton_test();
GC::Heap &heap = singleton_test();
init_gc(heap);
frame_test(heap);
heap->dispose();
heap.dispose();
return 0;
}
@ -28,12 +28,12 @@ int main() {
*
* @return Pointer to the Heap singleton instance
*/
GC::Heap *singleton_test() {
GC::Heap& singleton_test() {
std::cout << "TESTING SINGLETON INSTANCES" << std::endl;
std::cout << "===========================" << std::endl;
std::cout << "Call 1:\t" << GC::Heap::debug_the() << std::endl; // First call which initializes the singleton instance
GC::Heap *heap = GC::Heap::debug_the(); // Second call which should return the initialized instance
std::cout << "Call 2:\t" << heap << std::endl;
std::cout << "Call 1:\t" << &GC::Heap::the() << std::endl; // First call which initializes the singleton instance
GC::Heap &heap = GC::Heap::the(); // Second call which should return the initialized instance
std::cout << "Call 2:\t" << &heap << std::endl;
std::cout << "===========================" << std::endl;
return heap;
}
@ -50,11 +50,11 @@ GC::Heap *singleton_test() {
* @param heap The Heap pointer to the singleton instance.
*
*/
void init_gc(GC::Heap *heap){
void init_gc(GC::Heap& heap){
std::cout << "\n\n INITIALIZING THE HEAP" << std::endl;
std::cout << "===========================" << std::endl;
heap->init();
heap->set_profiler(true);
heap.init();
heap.set_profiler(true);
std::cout << "===========================" << std::endl;
}
@ -76,7 +76,7 @@ void init_gc(GC::Heap *heap){
*
* @param heap The Heap instance
*/
void frame_test(GC::Heap *heap) {
void frame_test(GC::Heap& heap) {
std::cout << "\n\n TESTING FRAME ADDRESSES" << std::endl;
std::cout << "===========================" << std::endl;
@ -87,7 +87,7 @@ void frame_test(GC::Heap *heap) {
auto prev_frame = reinterpret_cast<uintptr_t *>(__builtin_frame_address(1)); // addr of prev stack frame
std::cout << "Previous stack frame:\t" << prev_frame << std::endl;
heap->check_init(); // prints the saved absolute top of the stack
heap.check_init(); // prints the saved absolute top of the stack
// auto alloced = heap->alloc(sizeof(unsigned long));
std::cout << "===========================" << std::endl;